Merge branch 'master' of git@git.labs.intellij.net:idea/community

2026-09-27 10:03:11 +07:00 · 2011-07-25 19:37:53 +04:00
parent dcb121da82 17636e0971
commit 1ea0c4035a
58 changed files with 3846 additions and 198 deletions
@@ -17,11 +17,13 @@ abstract class IntToIntBtree {
  final BtreeIndexNodeView root;
  private int maxStepsSearched;
  private int pagesCount;
-  private int size;
+  private int count;
+  private int movedMembersCount;

  private final byte[] buffer;
  private boolean isLarge = true;
  private final ISimpleStorage storage;
+  private boolean offloadToSiblingsBeforeSplit = false; // TODO till effective insertion to page

  public IntToIntBtree(int _pageSize, int rootAddress, ISimpleStorage _storage, boolean initial) {
    pageSize = _pageSize;
@@ -66,7 +68,7 @@ abstract class IntToIntBtree {
    int index = currentIndexNode.locate(key, true);

    if (index < 0) {
-      ++size;
+      ++count;
      currentIndexNode.insert(key, value, -index - 1);
    } else {
      currentIndexNode.setAddressAt(index, value);
@@ -101,6 +103,18 @@ abstract class IntToIntBtree {
    this.pagesCount = pagesCount;
  }

+  public int getMovedMembersCount() {
+    return movedMembersCount;
+  }
+
+  public void setMovedMembersCount(int movedMembersCount) {
+    this.movedMembersCount = movedMembersCount;
+  }
+
+  void dumpStatistics() {
+    IOStatistics.dump("pagecount:" + pagesCount + ", height:" + maxStepsSearched + ", movedMembers:"+movedMembersCount);
+  }
+
  void doFlush() {
    //pagesCache.clear();
  }
@@ -212,6 +226,7 @@ abstract class IntToIntBtree {
  static class BtreeIndexNodeView extends BtreePage {
    private boolean isIndexLeaf;
    private boolean isIndexLeafSet;
+    private static final int LARGE_MOVE_THRESHOLD = 5;

    BtreeIndexNodeView(IntToIntBtree btree) {
      super(btree);
@@ -325,63 +340,8 @@ abstract class IntToIntBtree {
      if (parentAddress != 0) {
        parent = new BtreeIndexNodeView(btree);
        parent.setAddress(parentAddress);
-        int indexInParent = isIndexLeaf() ? parent.search(keyAt(0)) : -1;
-        BtreeIndexNodeView sibling = new BtreeIndexNodeView(btree);
-
-        if (indexInParent > 0) {
-          if (doSanityCheck) {
-            myAssert(parent.keyAt(indexInParent) == keyAt(0));
-            myAssert(parent.addressAt(indexInParent + 1) == -address);
-          }
-
-          int siblingAddress = parent.addressAt(indexInParent);
-          sibling.setAddress(-siblingAddress);
-
-          if (!sibling.isFull() && sibling.getChildrenCount() + 1 != sibling.getMaxChildrenCount()) {
-            if (doSanityCheck) {
-              sibling.dump("Offloading to left sibling");
-              parent.dump("parent before");
-            }
-
-            sibling.insert(keyAt(0), addressAt(0), sibling.getChildrenCount());
-            if (doSanityCheck) {
-              sibling.dump("Left sibling after");
-            }
-
-            parent.setKeyAt(indexInParent, keyAt(1));
-
-            int indexOflastChildToMove = getChildrenCount() - 1;
-            if (btree.isLarge) {
-              final int bytesToMove = indexOflastChildToMove * INTERIOR_SIZE;
-              getBytes(indexToOffset(1), btree.buffer, 0, bytesToMove);
-              putBytes(indexToOffset(0), btree.buffer, 0, bytesToMove);
-            } else {
-              for(int i = 0; i < indexOflastChildToMove; ++i) {
-                setAddressAt(i, addressAt(i + 1));
-                setKeyAt(i, keyAt(i + 1));
-              }
-            }
-
-            setChildrenCount((short)indexOflastChildToMove);
-          } else if (indexInParent + 1 < parent.getChildrenCount()) {
-            insertToRightSibling(parent, indexInParent + 1, sibling);
-          }
-          // TODO: move members in non leaf level + handle cases below
-        } /*else if (indexInParent == -1) {
-          insertToRightSibling(parent, 0, sibling);
-        } else {
-          int a = 1;
-        }*/
-
-        if (!isFull()) {
-          sync();
-          parent.sync();
-
-          if (doSanityCheck) {
-            dump("old node after split:");
-            parent.dump("Parent node after split");
-          }
-          return parentAddress;
+        if (btree.offloadToSiblingsBeforeSplit) {
+          if (doOffloadToSiblings(parent)) return parentAddress;
        }
      }

@@ -448,7 +408,7 @@ abstract class IntToIntBtree {
        }
        int newRootAddress = btree.nextPage();
        if (doSanityCheck) {
-          System.out.println("Pages:"+btree.pagesCount+", elements:"+btree.size + ", average:" + (btree.maxStepsSearched + 1));
+          System.out.println("Pages:"+btree.pagesCount+", elements:"+btree.count + ", average:" + (btree.maxStepsSearched + 1));
        }
        btree.setRootAddress(newRootAddress);
        parentAddress = newRootAddress;
@@ -472,6 +432,70 @@ abstract class IntToIntBtree {
      return parentAddress;
    }

+    private boolean doOffloadToSiblings(BtreeIndexNodeView parent) {
+      int indexInParent = isIndexLeaf() ? parent.search(keyAt(0)) : -1;
+      BtreeIndexNodeView sibling = new BtreeIndexNodeView(btree);
+
+      if (indexInParent > 0) {
+        if (doSanityCheck) {
+          myAssert(parent.keyAt(indexInParent) == keyAt(0));
+          myAssert(parent.addressAt(indexInParent + 1) == -address);
+        }
+
+        int siblingAddress = parent.addressAt(indexInParent);
+        sibling.setAddress(-siblingAddress);
+
+        if (!sibling.isFull() && sibling.getChildrenCount() + 1 != sibling.getMaxChildrenCount()) {
+          if (doSanityCheck) {
+            sibling.dump("Offloading to left sibling");
+            parent.dump("parent before");
+          }
+
+          sibling.insert(keyAt(0), addressAt(0), sibling.getChildrenCount());
+          if (doSanityCheck) {
+            sibling.dump("Left sibling after");
+          }
+
+          parent.setKeyAt(indexInParent, keyAt(1));
+
+          int indexOflastChildToMove = getChildrenCount() - 1;
+          if (btree.isLarge) {
+            final int bytesToMove = indexOflastChildToMove * INTERIOR_SIZE;
+            getBytes(indexToOffset(1), btree.buffer, 0, bytesToMove);
+            putBytes(indexToOffset(0), btree.buffer, 0, bytesToMove);
+          }
+          else {
+            for (int i = 0; i < indexOflastChildToMove; ++i) {
+              setAddressAt(i, addressAt(i + 1));
+              setKeyAt(i, keyAt(i + 1));
+            }
+          }
+
+          setChildrenCount((short)indexOflastChildToMove);
+        }
+        else if (indexInParent + 1 < parent.getChildrenCount()) {
+          insertToRightSibling(parent, indexInParent + 1, sibling);
+        }
+        // TODO: move members in non leaf level + handle cases below
+      } /*else if (indexInParent == -1) {
+          insertToRightSibling(parent, 0, sibling);
+        } else {
+          int a = 1;
+        }*/
+
+      if (!isFull()) {
+        sync();
+        parent.sync();
+
+        if (doSanityCheck) {
+          dump("old node after split:");
+          parent.dump("Parent node after split");
+        }
+        return true;
+      }
+      return false;
+    }
+
    private void insertToRightSibling(BtreeIndexNodeView parent, int indexInParent, BtreeIndexNodeView sibling) {
      int siblingAddress;
      siblingAddress = parent.addressAt(indexInParent + 1);
@@ -553,10 +577,13 @@ abstract class IntToIntBtree {
      if (doSanityCheck) myAssert(recordCount < getMaxChildrenCount());
      setChildrenCount((short)(recordCount + 1));

+      final int itemsToMove = recordCount - index;
+      btree.movedMembersCount += itemsToMove;
+
      // TODO Clever books tell us to use Btree for cheaper elements shifting within page
      if (isIndexLeaf()) {
-        if (btree.isLarge) {
-          final int bytesToMove = (recordCount - index) * INTERIOR_SIZE;
+        if (btree.isLarge && itemsToMove > LARGE_MOVE_THRESHOLD) {
+          final int bytesToMove = itemsToMove * INTERIOR_SIZE;
          getBytes(indexToOffset(index), btree.buffer, 0, bytesToMove);
          putBytes(indexToOffset(index + 1), btree.buffer, 0, bytesToMove);
        } else {
@@ -571,7 +598,7 @@ abstract class IntToIntBtree {
        // <address> (<key><address>) {record_count - 1}
        //
        setAddressAt(recordCount + 1, addressAt(recordCount));
-        if (btree.isLarge) {
+        if (btree.isLarge && itemsToMove > LARGE_MOVE_THRESHOLD) {
          int elementsAfterIndex = recordCount - index - 1;
          if (elementsAfterIndex > 0) {
            int bytesToMove = elementsAfterIndex * INTERIOR_SIZE;
@@ -13,9 +13,9 @@ final class MappedFileSimpleStorage implements ISimpleStorage {
    storage = new ResizeableMappedFile(file, initialSize, PersistentEnumeratorBase.ourLock);
  }

-  public MappedFileSimpleStorage(File file, int initialSize, int pageSize, float growFactor, boolean zeroPagesWhenExpand) throws IOException {
+  public MappedFileSimpleStorage(File file, int initialSize, int pageSize, boolean zeroPagesWhenExpand) throws IOException {
    FileUtil.createIfDoesntExist(file);
-    storage = new ResizeableMappedFile(file, initialSize, PersistentEnumeratorBase.ourLock, pageSize, growFactor, zeroPagesWhenExpand);
+    storage = new ResizeableMappedFile(file, initialSize, PersistentEnumeratorBase.ourLock, pageSize, zeroPagesWhenExpand);
  }

  @Override
@@ -45,7 +45,7 @@ public class PersistentBTreeEnumerator<Data> extends PersistentEnumeratorBase<Da
  private final boolean myInlineKeysNoMapping;

  public PersistentBTreeEnumerator(File file, KeyDescriptor<Data> dataDescriptor, int initialSize) throws IOException {
-    super(file, new MappedFileSimpleStorage(file, initialSize, 1024 * 1024, 10f, false), dataDescriptor, initialSize);
+    super(file, new MappedFileSimpleStorage(file, initialSize, 1024 * 1024, false), dataDescriptor, initialSize);

    myInlineKeysNoMapping = myDataDescriptor instanceof InlineKeyDescriptor && !wantInlineKeyMapping();
    myBuffer = new byte[getRecordSize()];
@@ -96,6 +96,7 @@ public class PersistentBTreeEnumerator<Data> extends PersistentEnumeratorBase<Da
    if (btree != null) {
      btree.setMaxStepsSearched(store(DATA_START + 36, btree.getMaxStepsSearched(), toDisk));
      btree.setPagesCount(store(DATA_START + 40, btree.getPageCount(), toDisk));
+      btree.setMovedMembersCount(store(DATA_START + 44, btree.getMovedMembersCount(), toDisk));
    }
  }

@@ -256,11 +257,8 @@ public class PersistentBTreeEnumerator<Data> extends PersistentEnumeratorBase<Da
                          ", values " +
                          valuesCount +
                          ", storage size:" +
-                          myStorage.length() +
-                          ", pagecount:" +
-                          btree.getPageCount() +
-                          ", height:" +
-                          btree.getMaxStepsSearched());
+                          myStorage.length());
+        btree.dumpStatistics();
      }

      if (collisionAddress != NULL_ID) {
@@ -354,4 +352,4 @@ public class PersistentBTreeEnumerator<Data> extends PersistentEnumeratorBase<Da
    btree.doFlush();
    super.doFlush();
  }
-}
+}
@@ -440,7 +440,8 @@ abstract class PersistentEnumeratorBase<Data> implements Forceable, Closeable {
  }

  protected final void markDirty(boolean dirty) throws IOException {
-    if (dirty && isDirty()) return;
+    //assert Thread.holdsLock(this) || Thread.holdsLock(ourLock); // we hold one lock or another so can access myDirty
+    if (dirty && myDirty) return;
    synchronized (ourLock) {
      if (myDirty) {
        if (!dirty) {
@@ -29,9 +29,8 @@ public class ResizeableMappedFile implements Forceable {

  private long myLogicalSize;
  private final PagedFileStorage myStorage;
-  private final float myGrowFactor;

-  public ResizeableMappedFile(final File file, int initialSize, PagedFileStorage.StorageLock lock, int pageSize, float growFactor, boolean zeroWhenExpand) throws IOException {
+  public ResizeableMappedFile(final File file, int initialSize, PagedFileStorage.StorageLock lock, int pageSize, boolean zeroWhenExpand) throws IOException {
    myStorage = new PagedFileStorage(file, lock, pageSize, zeroWhenExpand);
    if (!file.exists() || file.length() == 0) {
      writeLength(0);
@@ -43,13 +42,10 @@ public class ResizeableMappedFile implements Forceable {
        resize(initialSize);
      }
    }
-
-    assert growFactor > 8f:"growFactor / 8 should be > 1";
-    myGrowFactor = growFactor;
  }

  public ResizeableMappedFile(final File file, int initialSize, PagedFileStorage.StorageLock lock) throws IOException {
-    this(file, initialSize, lock, PagedFileStorage.DEFAULT_BUFFER_SIZE, 13f, true);
+    this(file, initialSize, lock, PagedFileStorage.DEFAULT_BUFFER_SIZE, true);
  }

  public long length() {
@@ -78,7 +74,7 @@ public class ResizeableMappedFile implements Forceable {
  }

  private void expand() {
-    final long newSize = Math.min(Integer.MAX_VALUE, ((long)((realSize() + 1) * myGrowFactor)) >> 3);
+    final long newSize = Math.min(Integer.MAX_VALUE, ((realSize() + 1) * 13) >> 3);
    resize((int)newSize);
  }

@@ -31,20 +31,28 @@
          <root url="jar://$MODULE_DIR$/lib/androidprefs.jar!/" />
          <root url="jar://$MODULE_DIR$/lib/jarutils.jar!/" />
          <root url="jar://$MODULE_DIR$/lib/common.jar!/" />
+          <root url="jar://$MODULE_DIR$/lib/ide_common.jar!/" />
+          <root url="jar://$MODULE_DIR$/lib/ninepatch.jar!/" />
+          <root url="jar://$MODULE_DIR$/lib/layoutlib_api.jar!/" />
+          <root url="jar://$MODULE_DIR$/lib/kxml2-2.3.0.jar!/" />
        </CLASSES>
        <JAVADOC />
        <SOURCES>
          <root url="jar://$MODULE_DIR$/lib/src/ddmlib_src.zip!/src" />
-          <root url="jar://$MODULE_DIR$/lib/src/sdklib_src.zip!/src" />
-          <root url="jar://$MODULE_DIR$/lib/src/androidprefs_src.zip!/src" />
-          <root url="jar://$MODULE_DIR$/lib/src/jarutils.zip!/src" />
+          <root url="jar://$MODULE_DIR$/lib/src/ide_common_src.zip!/src" />
          <root url="jar://$MODULE_DIR$/lib/src/common_src.zip!/src" />
+          <root url="jar://$MODULE_DIR$/lib/src/jarutils.zip!/src" />
+          <root url="jar://$MODULE_DIR$/lib/src/layoutlib_api_src.zip!/src" />
+          <root url="jar://$MODULE_DIR$/lib/src/androidprefs_src.zip!/src" />
+          <root url="jar://$MODULE_DIR$/lib/src/sdklib_src.zip!/src" />
+          <root url="jar://$MODULE_DIR$/lib/src/ninepatch_src.zip!/src" />
        </SOURCES>
      </library>
    </orderEntry>
    <orderEntry type="module" module-name="maven" />
    <orderEntry type="module" module-name="java-impl" />
    <orderEntry type="module" module-name="properties" />
+    <orderEntry type="library" name="xpp3-1.1.4-min" level="project" />
  </component>
 </module>

@@ -247,4 +247,14 @@ android.import.dependencies.import.module.task.title=Import library module {0} f
 android.import.dependencies.dialog.title=Import Android dependencies from property files
 android.import.dependencies.source.roots.dialog.title=Import source roots
 android.import.dependencies.source.roots.dialog.label=Choose source roots to add to your project
+sdk.broken.error=Cannot parse Android SDK. Please reconfigure it in Android facet settings
+android.layout.preview.cannot.load.library.error=Failed to load platform rendering library
+android.layout.preview.cannot.load.resources=Cannot load module resources.
+android.layout.preview.editor.name=Preview
+android.layout.preview.tool.window.title=Preview
+android.layout.preview.default.error.message=Cannot perform rendering
+android.layout.preview.zoom.in.action.text=Zoom In
+android.layout.preview.zoom.out.action.text=Zoom Out
+android.layout.preview.zoom.actual.action.text=Zoom to actual size
+android.layout.preview.zoom.to.fit.action.text=Zoom to Fit
 restart.adb.fix.text=Restart ADB service and try again
@@ -16,6 +16,10 @@
    <component>
      <implementation-class>org.jetbrains.android.AndroidProjectComponent</implementation-class>
    </component>
+    <component>
+      <implementation-class>org.jetbrains.android.uipreview.AndroidLayoutPreviewToolWindowManager</implementation-class>
+      <skipForDefaultProject/>
+    </component>
  </project-components>
  <actions>
    <!--<group>
@@ -52,7 +56,6 @@
      <add-to-group group-id="EditorPopupMenu" anchor="last"/>
      <add-to-group group-id="ProjectViewPopupMenu" anchor="last"/>
    </action>
-
    <action id="AndroidConnectDebuggerAction"
            class="org.jetbrains.android.actions.AndroidConnectDebuggerAction"
            text="Attach debugger to Android process"
@@ -15,6 +15,7 @@
 */
 package org.jetbrains.android;

+import com.android.AndroidConstants;
 import com.android.sdklib.SdkConstants;
 import com.intellij.openapi.fileTypes.StdFileTypes;
 import com.intellij.openapi.vfs.LocalFileSystem;
@@ -39,7 +40,7 @@ import java.util.Map;
 * @author Eugene.Kudelevsky
 */
 public class AndroidIdIndex extends ScalarIndexExtension<String> {
-  public static final String[] RES_TYPES_CONTAINING_ID_DECLARATIONS = {SdkConstants.FD_LAYOUT, SdkConstants.FD_MENU};
+  public static final String[] RES_TYPES_CONTAINING_ID_DECLARATIONS = {AndroidConstants.FD_RES_LAYOUT, AndroidConstants.FD_RES_MENU};
  public static final ID<String, Void> INDEX_ID = ID.create("android.id.index");
  public static final String MARKER = "$";

@@ -20,6 +20,7 @@ import com.intellij.openapi.util.text.StringUtil;
 import com.intellij.psi.xml.XmlDocument;
 import com.intellij.psi.xml.XmlFile;
 import com.intellij.psi.xml.XmlTag;
+import com.intellij.util.containers.HashMap;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;

@@ -35,6 +36,7 @@ public class AttributeDefinitions {
  private Map<String, StyleableDefinition> myStyleables = new HashMap<String, StyleableDefinition>();

  private final List<StyleableDefinition> myStateStyleables = new ArrayList<StyleableDefinition>();
+  private final Map<String, Map<String, Integer>> myEnumMap = new HashMap<String, Map<String, Integer>>();

  public AttributeDefinitions() {
  }
@@ -127,7 +129,7 @@ public class AttributeDefinitions {
    return result;
  }

-  private static void parseAndAddValues(AttributeDefinition def, XmlTag[] values) {
+  private void parseAndAddValues(AttributeDefinition def, XmlTag[] values) {
    for (XmlTag value : values) {
      final String valueName = value.getAttributeValue("name");
      if (valueName == null) {
@@ -135,6 +137,23 @@ public class AttributeDefinitions {
      }
      else {
        def.addValue(valueName);
+
+        final String strIntValue = value.getAttributeValue("value");
+        if (strIntValue != null) {
+          try {
+            int intValue = strIntValue.startsWith("0x")
+                           ? Integer.parseInt(strIntValue.substring(2), 16)
+                           : Integer.parseInt(strIntValue);
+            Map<String, Integer> value2Int = myEnumMap.get(def.getName());
+            if (value2Int == null) {
+              value2Int = new HashMap<String, Integer>();
+              myEnumMap.put(def.getName(), value2Int);
+            }
+            value2Int.put(valueName, intValue);
+          }
+          catch (NumberFormatException ignored) {
+          }
+        }
      }
    }
  }
@@ -207,4 +226,9 @@ public class AttributeDefinitions {
  public StyleableDefinition[] getStateStyleables() {
    return myStateStyleables.toArray(new StyleableDefinition[myStateStyleables.size()]);
  }
+
+  @NotNull
+  public Map<String, Map<String, Integer>> getEnumMap() {
+    return myEnumMap;
+  }
 }
@@ -35,5 +35,5 @@ public interface Style extends ResourceElement {

  @Attribute("parent")
  @Convert(ParentStyleConverter.class)
-  GenericAttributeValue<String> getParentStyle();
+  GenericAttributeValue<ResourceValue> getParentStyle();
 }
@@ -42,6 +42,7 @@ import com.intellij.openapi.module.Module;
 import com.intellij.openapi.module.ModuleUtil;
 import com.intellij.openapi.project.IndexNotReadyException;
 import com.intellij.openapi.project.Project;
+import com.intellij.openapi.projectRoots.Sdk;
 import com.intellij.openapi.roots.CompilerModuleExtension;
 import com.intellij.openapi.roots.ModuleRootEvent;
 import com.intellij.openapi.roots.ModuleRootListener;
@@ -75,10 +76,7 @@ import org.jetbrains.android.dom.manifest.Manifest;
 import org.jetbrains.android.resourceManagers.LocalResourceManager;
 import org.jetbrains.android.resourceManagers.ResourceManager;
 import org.jetbrains.android.resourceManagers.SystemResourceManager;
-import org.jetbrains.android.sdk.AndroidPlatform;
-import org.jetbrains.android.sdk.AndroidSdk;
-import org.jetbrains.android.sdk.AndroidSdkImpl;
-import org.jetbrains.android.sdk.MessageBuildingSdkLog;
+import org.jetbrains.android.sdk.*;
 import org.jetbrains.android.util.AndroidBundle;
 import org.jetbrains.android.util.AndroidUtils;
 import org.jetbrains.annotations.NotNull;
@@ -227,20 +225,6 @@ public class AndroidFacet extends Facet<AndroidFacetConfiguration> {
    return null;
  }

-  private static int getIntAttrValue(@NotNull final XmlTag tag, @NotNull final String attrName) {
-    String value = ApplicationManager.getApplication().runReadAction(new Computable<String>() {
-      public String compute() {
-        return tag.getAttributeValue(attrName, SdkConstants.NS_RESOURCES);
-      }
-    });
-    try {
-      return Integer.parseInt(value);
-    }
-    catch (NumberFormatException e) {
-      return -1;
-    }
-  }
-
  // if baseTarget is null, then function return if application can be deployed on any target

  public boolean isCompatibleBaseTarget(@Nullable IAndroidTarget baseTarget) {
@@ -272,9 +256,9 @@ public class AndroidFacet extends Facet<AndroidFacetConfiguration> {
      if (manifestTag != null) {
        XmlTag[] tags = manifestTag.findSubTags("uses-sdk");
        for (XmlTag tag : tags) {
-          int candidate = getIntAttrValue(tag, "minSdkVersion");
+          int candidate = AndroidUtils.getIntAttrValue(tag, "minSdkVersion");
          if (candidate >= 0) minSdkVersion = candidate;
-          candidate = getIntAttrValue(tag, "maxSdkVersion");
+          candidate = AndroidUtils.getIntAttrValue(tag, "maxSdkVersion");
          if (candidate >= 0) maxSdkVersion = candidate;
        }
      }
@@ -378,7 +362,7 @@ public class AndroidFacet extends Facet<AndroidFacetConfiguration> {
    });

    getModule().getMessageBus().connect(this).subscribe(ProjectTopics.PROJECT_ROOTS, new ModuleRootListener() {
-
+      private Sdk myPrevSdk;
      private String[] myDependencies;

      public void beforeRootsChange(final ModuleRootEvent event) {
@@ -388,22 +372,30 @@ public class AndroidFacet extends Facet<AndroidFacetConfiguration> {
        ApplicationManager.getApplication().invokeLater(new Runnable() {
          @Override
          public void run() {
-            if (!isDisposed()) {
-              PsiDocumentManager.getInstance(getModule().getProject()).commitAllDocuments();
+            if (isDisposed()) {
+              return;
+            }

-              final PropertiesFile propertiesFile = AndroidUtils.findPropertyFile(getModule(), SdkConstants.FN_DEFAULT_PROPERTIES);
-              if (propertiesFile == null) {
-                return;
-              }
+            final Sdk newSdk = ModuleRootManager.getInstance(getModule()).getSdk();
+            if (newSdk != null && newSdk.getSdkType() instanceof AndroidSdkType && !newSdk.equals(myPrevSdk)) {
+              myPrevSdk = newSdk;
+              androidPlatformChanged();
+            }

-              updateTargetProperty(propertiesFile);
-              updateLibraryProperty(propertiesFile);
+            PsiDocumentManager.getInstance(getModule().getProject()).commitAllDocuments();

-              final String[] dependencies = collectDependencies();
-              if (myDependencies == null || !Comparing.equal(myDependencies, dependencies)) {
-                updateDependenciesInPropertyFile(propertiesFile, dependencies);
-                myDependencies = dependencies;
-              }
+            final PropertiesFile propertiesFile = AndroidUtils.findPropertyFile(getModule(), SdkConstants.FN_DEFAULT_PROPERTIES);
+            if (propertiesFile == null) {
+              return;
+            }
+
+            updateTargetProperty(propertiesFile);
+            updateLibraryProperty(propertiesFile);
+
+            final String[] dependencies = collectDependencies();
+            if (myDependencies == null || !Comparing.equal(myDependencies, dependencies)) {
+              updateDependenciesInPropertyFile(propertiesFile, dependencies);
+              myDependencies = dependencies;
            }
          }
        });
@@ -567,9 +559,9 @@ public class AndroidFacet extends Facet<AndroidFacetConfiguration> {
  @Nullable
  public SystemResourceManager getSystemResourceManager() {
    if (mySystemResourceManager == null) {
-      IAndroidTarget target = getConfiguration().getAndroidTarget();
-      if (target != null) {
-        mySystemResourceManager = new SystemResourceManager(getModule(), target);
+      AndroidPlatform platform = getConfiguration().getAndroidPlatform();
+      if (platform != null) {
+        mySystemResourceManager = new SystemResourceManager(getModule(), platform);
      }
    }
    return mySystemResourceManager;
@@ -16,6 +16,7 @@

 package org.jetbrains.android.newProject;

+import com.android.AndroidConstants;
 import com.android.sdklib.IAndroidTarget;
 import com.android.sdklib.SdkConstants;
 import com.intellij.CommonBundle;
@@ -442,12 +443,12 @@ public class AndroidModuleBuilder extends JavaModuleBuilder {
          createChildDirectoryIfNotExist(project, rootDir, SdkConstants.FD_ASSETS);
          createChildDirectoryIfNotExist(project, rootDir, SdkConstants.FD_NATIVE_LIBS);
          VirtualFile resDir = createChildDirectoryIfNotExist(project, rootDir, SdkConstants.FD_RES);
-          VirtualFile drawableDir = createChildDirectoryIfNotExist(project, resDir, SdkConstants.FD_DRAWABLE);
+          VirtualFile drawableDir = createChildDirectoryIfNotExist(project, resDir, AndroidConstants.FD_RES_DRAWABLE);
          createFileFromResource(project, drawableDir, "icon.png", "/icons/androidLarge.png");
          if (isHelloAndroid()) {
-            VirtualFile valuesDir = createChildDirectoryIfNotExist(project, resDir, SdkConstants.FD_VALUES);
+            VirtualFile valuesDir = createChildDirectoryIfNotExist(project, resDir, AndroidConstants.FD_RES_VALUES);
            createFileFromResource(project, valuesDir, "strings.xml", "res/values/strings.xml");
-            VirtualFile layoutDir = AndroidUtils.createChildDirectoryIfNotExist(project, resDir, SdkConstants.FD_LAYOUT);
+            VirtualFile layoutDir = AndroidUtils.createChildDirectoryIfNotExist(project, resDir, AndroidConstants.FD_RES_LAYOUT);
            createFileFromResource(project, layoutDir, "main.xml", "res/layout/main.xml");
          }
        }
@@ -16,7 +16,7 @@

 package org.jetbrains.android.resourceManagers;

-import com.android.sdklib.SdkConstants;
+import com.android.AndroidConstants;
 import com.intellij.CommonBundle;
 import com.intellij.openapi.application.ApplicationManager;
 import com.intellij.openapi.diagnostic.Logger;
@@ -126,13 +126,18 @@ public class LocalResourceManager extends ResourceManager {
  @NotNull
  public AttributeDefinitions getAttributeDefinitions() {
    if (myAttrDefs == null) {
-      List<XmlFile> xmlResFiles = new ArrayList<XmlFile>();
-      for (PsiFile file : findResourceFiles("values")) {
-        if (file instanceof XmlFile) {
-          xmlResFiles.add((XmlFile)file);
+      ApplicationManager.getApplication().runReadAction(new Runnable() {
+        @Override
+        public void run() {
+          List<XmlFile> xmlResFiles = new ArrayList<XmlFile>();
+          for (PsiFile file : findResourceFiles("values")) {
+            if (file instanceof XmlFile) {
+              xmlResFiles.add((XmlFile)file);
+            }
+          }
+          myAttrDefs = new AttributeDefinitions(xmlResFiles.toArray(new XmlFile[xmlResFiles.size()]));
        }
-      }
-      myAttrDefs = new AttributeDefinitions(xmlResFiles.toArray(new XmlFile[xmlResFiles.size()]));
+      });
    }
    return myAttrDefs;
  }
@@ -202,9 +207,9 @@ public class LocalResourceManager extends ResourceManager {
      Messages.showErrorDialog(myModule.getProject(), AndroidBundle.message("check.resource.dir.error"), CommonBundle.getErrorTitle());
      return null;
    }
-    final VirtualFile valuesDir = findOrCreateChildDir(dir, SdkConstants.FD_VALUES);
+    final VirtualFile valuesDir = findOrCreateChildDir(dir, AndroidConstants.FD_RES_VALUES);
    if (valuesDir == null) {
-      String errorMessage = AndroidBundle.message("android.directory.cannot.be.found.error", SdkConstants.FD_VALUES);
+      String errorMessage = AndroidBundle.message("android.directory.cannot.be.found.error", AndroidConstants.FD_RES_VALUES);
      Messages.showErrorDialog(myModule.getProject(), errorMessage, CommonBundle.getErrorTitle());
      return null;
    }
@@ -252,11 +252,16 @@ public abstract class ResourceManager {
  }

  @NotNull
-  public List<ResourceElement> getValueResources(@NotNull String resourceType) {
-    List<ResourceElement> result = new ArrayList<ResourceElement>();
+  public List<ResourceElement> getValueResources(@NotNull final String resourceType) {
+    final List<ResourceElement> result = new ArrayList<ResourceElement>();
    Collection<Resources> resourceFiles = getResourceElements();
-    for (Resources resources : resourceFiles) {
-      result.addAll(getValueResources(resourceType, resources));
+    for (final Resources resources : resourceFiles) {
+      ApplicationManager.getApplication().runReadAction(new Runnable() {
+        @Override
+        public void run() {
+          result.addAll(getValueResources(resourceType, resources));
+        }
+      });
    }
    return result;
  }
@@ -17,20 +17,18 @@ package org.jetbrains.android.resourceManagers;

 import com.android.sdklib.IAndroidTarget;
 import com.android.sdklib.SdkConstants;
-import com.intellij.openapi.application.ApplicationManager;
-import com.intellij.openapi.diagnostic.Logger;
 import com.intellij.openapi.module.Module;
-import com.intellij.openapi.util.Computable;
 import com.intellij.openapi.vfs.LocalFileSystem;
 import com.intellij.openapi.vfs.VirtualFile;
 import com.intellij.psi.PsiElement;
 import com.intellij.psi.PsiFile;
-import com.intellij.psi.PsiManager;
 import com.intellij.psi.xml.*;
 import com.intellij.util.xml.ConvertContext;
 import org.jetbrains.android.AndroidIdIndex;
 import org.jetbrains.android.dom.attrs.AttributeDefinitions;
 import org.jetbrains.android.facet.AndroidFacet;
+import org.jetbrains.android.sdk.AndroidPlatform;
+import org.jetbrains.android.sdk.AndroidTargetData;
 import org.jetbrains.android.util.AndroidResourceUtil;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
@@ -41,15 +39,13 @@ import java.util.*;
 * @author coyote
 */
 public class SystemResourceManager extends ResourceManager {
-  private static final Logger LOG = Logger.getInstance("#org.jetbrains.android.resourceManagers.SystemResourceManager");
-  private volatile AttributeDefinitions definitions;
  private volatile Map<String, List<PsiElement>> myIdMap;

-  private final IAndroidTarget myTarget;
+  private final AndroidPlatform myPlatform;

-  public SystemResourceManager(@NotNull Module module, @NotNull IAndroidTarget target) {
+  public SystemResourceManager(@NotNull Module module, @NotNull AndroidPlatform androidPlatform) {
    super(module);
-    myTarget = target;
+    myPlatform = androidPlatform;
  }

  @NotNull
@@ -60,7 +56,7 @@ public class SystemResourceManager extends ResourceManager {

  @Nullable
  public VirtualFile getResourceDir() {
-    String resPath = myTarget.getPath(IAndroidTarget.RESOURCES);
+    String resPath = myPlatform.getTarget().getPath(IAndroidTarget.RESOURCES);
    return LocalFileSystem.getInstance().findFileByPath(resPath);
  }

@@ -72,15 +68,8 @@ public class SystemResourceManager extends ResourceManager {

  @Nullable
  public synchronized AttributeDefinitions getAttributeDefinitions() {
-    if (definitions == null) {
-      String attrsPath = myTarget.getPath(IAndroidTarget.ATTRIBUTES);
-      String attrsManifestPath = myTarget.getPath(IAndroidTarget.MANIFEST_ATTRIBUTES);
-      XmlFile[] files = findFiles(attrsPath, attrsManifestPath);
-      if (files != null) {
-        definitions = new AttributeDefinitions(files);
-      }
-    }
-    return definitions;
+    final AndroidTargetData targetData = myPlatform.getSdk().getTargetData(myPlatform.getTarget());
+    return targetData.getAttrDefs(myModule.getProject());
  }

  @Nullable
@@ -99,31 +88,6 @@ public class SystemResourceManager extends ResourceManager {
    return myIdMap.keySet();
  }

-  @Nullable
-  private XmlFile[] findFiles(final String... paths) {
-    XmlFile[] xmlFiles = new XmlFile[paths.length];
-    for (int i = 0; i < paths.length; i++) {
-      String path = paths[i];
-      final VirtualFile file = LocalFileSystem.getInstance().findFileByPath(path);
-      PsiFile psiFile = file != null ? ApplicationManager.getApplication().runReadAction(new Computable<PsiFile>() {
-        @Nullable
-        public PsiFile compute() {
-          return PsiManager.getInstance(myModule.getProject()).findFile(file);
-        }
-      }) : null;
-      if (psiFile == null) {
-        LOG.info("File " + path + " is not found");
-        return null;
-      }
-      if (!(psiFile instanceof XmlFile)) {
-        LOG.info("File " + path + "  is not an xml psiFile");
-        return null;
-      }
-      xmlFiles[i] = (XmlFile)psiFile;
-    }
-    return xmlFiles;
-  }
-
  @NotNull
  public Map<String, List<PsiElement>> createIdMap() {
    Map<String, List<PsiElement>> result = new HashMap<String, List<PsiElement>>();
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <form xmlns="http://www.intellij.com/uidesigner/form/" version="1" bind-to-class="org.jetbrains.android.run.CreateAvdDialog">
-  <grid id="27dc6" binding="myPanel" layout-manager="GridLayoutManager" row-count="6" column-count="4" same-size-horizontally="false" same-size-vertically="false" hgap="-1" vgap="-1">
+  <grid id="27dc6" binding="myPanel" layout-manager="GridLayoutManager" row-count="7" column-count="4" same-size-horizontally="false" same-size-vertically="false" hgap="-1" vgap="-1">
    <margin top="0" left="0" bottom="0" right="0"/>
    <constraints>
      <xy x="20" y="20" width="395" height="383"/>
@@ -20,7 +20,7 @@
      </component>
      <vspacer id="4df42">
        <constraints>
-          <grid row="5" column="0" row-span="1" col-span="1" vsize-policy="6" hsize-policy="1" anchor="0" fill="2" indent="0" use-parent-layout="false"/>
+          <grid row="6" column="0" row-span="1" col-span="1" vsize-policy="6" hsize-policy="1" anchor="0" fill="2" indent="0" use-parent-layout="false"/>
        </constraints>
      </vspacer>
      <component id="27135" class="javax.swing.JTextField" binding="myNameField">
@@ -76,7 +76,7 @@
      </component>
      <component id="7d5e0" class="javax.swing.JLabel" binding="myAvdInfoLink">
        <constraints>
-          <grid row="4" column="0" row-span="1" col-span="4" vsize-policy="0" hsize-policy="0" anchor="4" fill="0" indent="0" use-parent-layout="false">
+          <grid row="5" column="0" row-span="1" col-span="4" vsize-policy="0" hsize-policy="0" anchor="4" fill="0" indent="0" use-parent-layout="false">
            <preferred-size width="-1" height="14"/>
          </grid>
        </constraints>
@@ -98,13 +98,10 @@
      <grid id="60129" layout-manager="GridLayoutManager" row-count="2" column-count="3" same-size-horizontally="false" same-size-vertically="false" hgap="-1" vgap="-1">
        <margin top="0" left="0" bottom="0" right="0"/>
        <constraints>
-          <grid row="3" column="0" row-span="1" col-span="4" vsize-policy="3" hsize-policy="3" anchor="0" fill="3" indent="0" use-parent-layout="false"/>
+          <grid row="4" column="0" row-span="1" col-span="4" vsize-policy="3" hsize-policy="3" anchor="0" fill="3" indent="0" use-parent-layout="false"/>
        </constraints>
        <properties/>
        <border type="etched" title-resource-bundle="messages/AndroidBundle" title-key="android.create.avd.dialog.sdcard.title"/>
-        <clientProperties>
-          <BorderFactoryClass class="java.lang.String" value="com.intellij.ui.IdeBorderFactory"/>
-        </clientProperties>
        <children>
          <component id="60ba2" class="javax.swing.JRadioButton" binding="mySdCardSizeRadioButton">
            <constraints>
@@ -142,6 +139,21 @@
          </component>
        </children>
      </grid>
+      <component id="c9f2d" class="javax.swing.JLabel">
+        <constraints>
+          <grid row="3" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="8" fill="0" indent="0" use-parent-layout="false"/>
+        </constraints>
+        <properties>
+          <labelFor value="14658"/>
+          <text value="&amp;Abi Type:"/>
+        </properties>
+      </component>
+      <component id="14658" class="javax.swing.JComboBox" binding="myAbiCombo">
+        <constraints>
+          <grid row="3" column="1" row-span="1" col-span="3" vsize-policy="0" hsize-policy="2" anchor="8" fill="1" indent="0" use-parent-layout="false"/>
+        </constraints>
+        <properties/>
+      </component>
    </children>
  </grid>
  <buttonGroups>
@@ -21,6 +21,7 @@ import com.android.sdklib.IAndroidTarget;
 import com.android.sdklib.internal.avd.AvdManager;
 import com.intellij.ide.BrowserUtil;
 import com.intellij.ide.ui.ListCellRendererWrapper;
+import com.intellij.openapi.diagnostic.Logger;
 import com.intellij.openapi.fileChooser.FileChooserDescriptor;
 import com.intellij.openapi.project.Project;
 import com.intellij.openapi.ui.DialogWrapper;
@@ -54,6 +55,8 @@ import static com.android.prefs.AndroidLocation.FOLDER_AVD;
 * Date: May 9, 2009
 */
 public class CreateAvdDialog extends DialogWrapper {
+  private static final Logger LOG = Logger.getInstance("#org.jetbrains.android.run.CreateAvdDialog");
+
  private JTextField myNameField;
  private JComboBox myTargetBox;
  private JComboBox mySkinField;
@@ -65,6 +68,7 @@ public class CreateAvdDialog extends DialogWrapper {
  private JSpinner mySdCardSizeSpinner;
  private JComboBox mySdCardSizeUnitCombo;
  private TextFieldWithBrowseButton mySdCardFileTextField;
+  private JComboBox myAbiCombo;
  private final AvdManager myAvdManager;
  private AvdManager.AvdInfo myCreatedAvd;

@@ -177,6 +181,8 @@ public class CreateAvdDialog extends DialogWrapper {
            skinsToAdd.add(skin);
          }
          mySkinField.setModel(new CollectionComboBoxModel(skinsToAdd, null));
+
+          reloadAbiCombo();
        }
      }
    });
@@ -251,6 +257,18 @@ public class CreateAvdDialog extends DialogWrapper {
    mySdCardFileTextField
      .addBrowseFolderListener(AndroidBundle.message("android.create.avd.dialog.sdcard.file.browser.title"), null, project,
                               new FileChooserDescriptor(true, false, false, false, false, false));
+    reloadAbiCombo();
+  }
+
+  private void reloadAbiCombo() {
+    final IAndroidTarget selectedTarget = (IAndroidTarget)myTargetBox.getSelectedItem();
+    if (selectedTarget != null) {
+      final String[] abis = selectedTarget.getAbiList();
+      myAbiCombo.setModel(new DefaultComboBoxModel(abis));
+      if (abis.length == 0) {
+        LOG.error("Abis not found for target " + selectedTarget.hashString());
+      }
+    }
  }

  private void updateSpinner() {
@@ -317,9 +335,10 @@ public class CreateAvdDialog extends DialogWrapper {
    super.doOKAction();
    IAndroidTarget selectedTarget = (IAndroidTarget)myTargetBox.getSelectedItem();
    String skin = (String)mySkinField.getSelectedItem();
+    String abi = (String)myAbiCombo.getSelectedItem();
    String sdCard = getSdCardParameter();
    MessageBuildingSdkLog log = new MessageBuildingSdkLog();
-    myCreatedAvd = myAvdManager.createAvd(avdFolder, avdName, selectedTarget, skin, sdCard, null, true, log);
+    myCreatedAvd = myAvdManager.createAvd(avdFolder, avdName, selectedTarget, abi, skin, sdCard, null, true, false, false, log);
    if (log.getErrorMessage().length() > 0) {
      Messages.showErrorDialog(myProject, log.getErrorMessage(), AndroidBundle.message("android.avd.error.title"));
    }
@@ -18,7 +18,9 @@ package org.jetbrains.android.sdk;

 import com.android.sdklib.IAndroidTarget;
 import com.android.sdklib.SdkConstants;
+import com.intellij.openapi.module.Module;
 import com.intellij.openapi.projectRoots.Sdk;
+import com.intellij.openapi.roots.ModuleRootManager;
 import com.intellij.openapi.roots.OrderRootType;
 import com.intellij.openapi.roots.libraries.Library;
 import com.intellij.openapi.vfs.JarFileSystem;
@@ -47,6 +49,20 @@ public class AndroidPlatform {
    myTarget = target;
  }

+  @Nullable
+  public static AndroidPlatform getInstance(@NotNull Module module) {
+    final Sdk sdk = ModuleRootManager.getInstance(module).getSdk();
+    if (sdk == null || !(sdk.getSdkType() instanceof AndroidSdkType)) {
+      return null;
+    }
+
+    final AndroidSdkAdditionalData sdkAdditionalData = (AndroidSdkAdditionalData)sdk.getSdkAdditionalData();
+    if (sdkAdditionalData == null) {
+      return null;
+    }
+    return sdkAdditionalData.getAndroidPlatform();
+  }
+
  @NotNull
  public AndroidSdk getSdk() {
    return mySdk;
@@ -33,6 +33,8 @@ import com.intellij.openapi.ui.Messages;
 import com.intellij.openapi.util.io.FileUtil;
 import com.intellij.openapi.vfs.LocalFileSystem;
 import com.intellij.openapi.vfs.VirtualFile;
+import com.intellij.reference.SoftReference;
+import com.intellij.util.containers.HashMap;
 import org.jetbrains.android.actions.AndroidEnableDdmsAction;
 import org.jetbrains.android.util.AndroidUtils;
 import org.jetbrains.annotations.NotNull;
@@ -40,6 +42,7 @@ import org.jetbrains.annotations.Nullable;

 import java.awt.*;
 import java.io.File;
+import java.util.Map;

 import static org.jetbrains.android.util.AndroidUtils.ADB;

@@ -59,6 +62,9 @@ public abstract class AndroidSdk {

  private static final Object myDdmsLock = new Object();

+  private final Map<IAndroidTarget, SoftReference<AndroidTargetData>> myTargetDatas =
+    new HashMap<IAndroidTarget, SoftReference<AndroidTargetData>>();
+
  @NotNull
  public abstract String getLocation();

@@ -137,6 +143,7 @@ public abstract class AndroidSdk {

  @Override
  public boolean equals(Object obj) {
+    if (obj == null) return false;
    if (obj.getClass() != getClass()) return false;
    AndroidSdk sdk = (AndroidSdk)obj;
    return FileUtil.pathsEqual(getLocation(), sdk.getLocation());
@@ -274,6 +281,17 @@ public abstract class AndroidSdk {
    return result;
  }

+  @Nullable
+  public AndroidTargetData getTargetData(@NotNull IAndroidTarget target) {
+    final SoftReference<AndroidTargetData> targetDataRef = myTargetDatas.get(target);
+    AndroidTargetData targetData = targetDataRef != null ? targetDataRef.get() : null;
+    if (targetData == null) {
+      targetData = new AndroidTargetData(this, target);
+      myTargetDatas.put(target, new SoftReference<AndroidTargetData>(targetData));
+    }
+    return targetData;
+  }
+
  private static class MyInitializeDdmlibTask extends Task.Modal {
    private final Object myLock = new Object();
    private volatile boolean myFinished;
@@ -231,6 +231,16 @@ public class AndroidSdkImpl extends AndroidSdk {
      return myWrapee.getUsbVendorId();
    }

+    @Override
+    public String[] getAbiList() {
+      return myWrapee.getAbiList();
+    }
+
+    @Override
+    public String getImagePath(String abiType) {
+      return myWrapee.getImagePath(abiType);
+    }
+
    @Override
    public boolean canRunOn(IAndroidTarget target) {
      return myWrapee.canRunOn(target);
@@ -21,15 +21,16 @@ import com.android.sdklib.SdkConstants;
 import com.android.sdklib.SdkManager;
 import com.intellij.ide.util.PropertiesComponent;
 import com.intellij.openapi.application.ApplicationManager;
-import com.intellij.openapi.fileChooser.FileChooser;
-import com.intellij.openapi.fileChooser.FileChooserDescriptor;
 import com.intellij.openapi.module.Module;
+import com.intellij.openapi.options.ShowSettingsUtil;
+import com.intellij.openapi.project.ProjectBundle;
 import com.intellij.openapi.projectRoots.*;
 import com.intellij.openapi.projectRoots.impl.SdkConfigurationUtil;
 import com.intellij.openapi.roots.JavadocOrderRootType;
 import com.intellij.openapi.roots.ModifiableRootModel;
 import com.intellij.openapi.roots.ModuleRootManager;
 import com.intellij.openapi.roots.OrderRootType;
+import com.intellij.openapi.roots.ui.configuration.ProjectStructureConfigurable;
 import com.intellij.openapi.util.io.FileUtil;
 import com.intellij.openapi.vfs.JarFileSystem;
 import com.intellij.openapi.vfs.LocalFileSystem;
@@ -41,9 +42,7 @@ import org.jetbrains.annotations.NonNls;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;

-import java.awt.*;
 import java.util.*;
-import java.util.List;

 /**
 * Created by IntelliJ IDEA.
@@ -372,4 +371,13 @@ public class AndroidSdkUtils {
      setupPlatform(module);
    }
  }
+
+  public static void openModuleDependenciesConfigurable(final Module module) {
+    final ProjectStructureConfigurable projectStructureConfigurable = ProjectStructureConfigurable.getInstance(module.getProject());
+    ShowSettingsUtil.getInstance().editConfigurable(module.getProject(), projectStructureConfigurable, new Runnable() {
+      public void run() {
+        projectStructureConfigurable.select(module.getName(), ProjectBundle.message("modules.classpath.title"), true);
+      }
+    });
+  }
 }
@@ -0,0 +1,98 @@
+package org.jetbrains.android.sdk;
+
+import com.android.resources.ResourceType;
+import com.android.sdklib.IAndroidTarget;
+import com.intellij.openapi.application.ApplicationManager;
+import com.intellij.openapi.module.Module;
+import com.intellij.openapi.project.Project;
+import com.intellij.psi.xml.XmlFile;
+import com.intellij.util.containers.HashSet;
+import org.jetbrains.android.dom.attrs.AttributeDefinitions;
+import org.jetbrains.android.dom.resources.ResourceElement;
+import org.jetbrains.android.resourceManagers.SystemResourceManager;
+import org.jetbrains.android.uipreview.RenderServiceFactory;
+import org.jetbrains.android.uipreview.RenderingException;
+import org.jetbrains.android.util.AndroidUtils;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.io.IOException;
+import java.util.List;
+import java.util.Set;
+
+/**
+ * @author Eugene.Kudelevsky
+ */
+public class AndroidTargetData {
+  private final AndroidSdk mySdk;
+  private final IAndroidTarget myTarget;
+
+  private volatile AttributeDefinitions myAttrDefs;
+  private volatile RenderServiceFactory myRenderServiceFactory;
+  private volatile Set<String> myThemes;
+
+  public AndroidTargetData(@NotNull AndroidSdk sdk, @NotNull IAndroidTarget target) {
+    mySdk = sdk;
+    myTarget = target;
+  }
+
+  @Nullable
+  public AttributeDefinitions getAttrDefs(@NotNull final Project project) {
+    if (myAttrDefs == null) {
+      ApplicationManager.getApplication().runReadAction(new Runnable() {
+        @Override
+        public void run() {
+          final String attrsPath = myTarget.getPath(IAndroidTarget.ATTRIBUTES);
+          final String attrsManifestPath = myTarget.getPath(IAndroidTarget.MANIFEST_ATTRIBUTES);
+          final XmlFile[] files = AndroidUtils.findXmlFiles(project, attrsPath, attrsManifestPath);
+          if (files != null) {
+            myAttrDefs = new AttributeDefinitions(files);
+          }
+        }
+      });
+    }
+    return myAttrDefs;
+  }
+
+  @Nullable
+  public RenderServiceFactory getRenderServiceFactory(@NotNull Project project) throws RenderingException, IOException {
+    if (myRenderServiceFactory == null) {
+      final AttributeDefinitions attrDefs = getAttrDefs(project);
+      if (attrDefs == null) {
+        return null;
+      }
+      myRenderServiceFactory = RenderServiceFactory.create(myTarget, attrDefs.getEnumMap());
+    }
+    return myRenderServiceFactory;
+  }
+
+  public boolean areThemesCached() {
+    return myThemes != null;
+  }
+
+  @NotNull
+  public Set<String> getThemes(@NotNull Module module) {
+    if (myThemes == null) {
+      myThemes = new HashSet<String>();
+      final SystemResourceManager systemResourceManager = new SystemResourceManager(module, new AndroidPlatform(mySdk, myTarget));
+      final List<ResourceElement> styles = systemResourceManager.getValueResources(ResourceType.STYLE.getName());
+      ApplicationManager.getApplication().runReadAction(new Runnable() {
+        @Override
+        public void run() {
+          for (ResourceElement style : styles) {
+            final String styleName = style.getName().getValue();
+            if (styleName != null && (styleName.equals("Theme") || styleName.startsWith("Theme."))) {
+              myThemes.add(styleName);
+            }
+          }
+        }
+      });
+    }
+    return myThemes;
+  }
+
+  @NotNull
+  public IAndroidTarget getTarget() {
+    return myTarget;
+  }
+}
@@ -0,0 +1,212 @@
+ package org.jetbrains.android.uipreview;
+
+import com.intellij.openapi.ui.Messages;
+import com.intellij.openapi.ui.VerticalFlowLayout;
+import com.intellij.ui.HyperlinkLabel;
+import org.jetbrains.annotations.Nullable;
+
+import javax.swing.*;
+import javax.swing.event.HyperlinkEvent;
+import javax.swing.event.HyperlinkListener;
+import java.awt.*;
+import java.awt.image.BufferedImage;
+
+/**
+ * @author Eugene.Kudelevsky
+ */
+public class AndroidLayoutPreviewPanel extends JPanel {
+  private static final double EPS = 0.0000001;
+  private static final double MAX_ZOOM_FACTOR = 2.0;
+  private static final double ZOOM_STEP = 1.25;
+
+  private RenderingErrorMessage myErrorMessage;
+  private BufferedImage myImage;
+
+  private final HyperlinkLabel myErrorLabel = new HyperlinkLabel("", Color.BLUE, getBackground(), Color.BLUE);
+
+  private double myZoomFactor = 1.0;
+  private boolean myZoomToFit = true;
+
+  private final JPanel myImagePanel = new JPanel() {
+    @Override
+    public void paintComponent(Graphics g) {
+      super.paintComponent(g);
+      if (myImage == null) {
+        return;
+      }
+      final Dimension scaledDimension = getScaledDimension();
+      final Graphics2D g2 = (Graphics2D)g;
+      g2.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);
+      g2.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
+      g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
+      g2.drawImage(myImage, 0, 0, scaledDimension.width, scaledDimension.height, 0, 0, myImage.getWidth(), myImage.getHeight(), null);
+    }
+  };
+
+  public AndroidLayoutPreviewPanel() {
+    super(new VerticalFlowLayout(VerticalFlowLayout.TOP, 0, 0, true, true));
+    setBackground(Color.WHITE);
+    setOpaque(true);
+    myImagePanel.setBorder(BorderFactory.createMatteBorder(1, 1, 1, 1, Color.GRAY));
+
+    myErrorLabel.addHyperlinkListener(new HyperlinkListener() {
+      public void hyperlinkUpdate(final HyperlinkEvent e) {
+        final Runnable quickFix = myErrorMessage.myQuickFix;
+        if (quickFix != null && e.getEventType() == HyperlinkEvent.EventType.ACTIVATED) {
+          quickFix.run();
+        }
+      }
+    });
+    myErrorLabel.setOpaque(false);
+
+    add(myErrorLabel);
+    add(new MyImagePanelWrapper());
+  }
+
+  public void setImage(@Nullable final BufferedImage image) {
+    myImage = image;
+    doRevalidate();
+  }
+
+  private void doRevalidate() {
+    revalidate();
+    updateImageSize();
+    repaint();
+  }
+
+  public void setErrorMessage(@Nullable RenderingErrorMessage errorMessage) {
+    myErrorMessage = errorMessage;
+  }
+
+  public void update() {
+    if (myErrorMessage != null) {
+      myErrorLabel.setHyperlinkText(myErrorMessage.myBeforeLinkText,
+                                    myErrorMessage.myLinkText,
+                                    myErrorMessage.myAfterLinkText);
+      myErrorLabel.setIcon(Messages.getErrorIcon());
+      myErrorLabel.setVisible(true);
+    }
+    else {
+      myErrorLabel.setVisible(false);
+    }
+
+    repaint();
+  }
+
+  void updateImageSize() {
+    if (myImage == null) {
+      myImagePanel.setSize(0, 0);
+    }
+    else {
+      myImagePanel.setSize(getScaledDimension());
+    }
+  }
+
+  private Dimension getScaledDimension() {
+    if (myZoomToFit) {
+      final Dimension panelSize = getParent().getSize();
+      if (myImage.getWidth() <= panelSize.width && myImage.getHeight() <= panelSize.height) {
+        return new Dimension(myImage.getWidth(), myImage.getHeight());
+      }
+
+      if (myImage.getWidth() <= panelSize.width) {
+        final double f = panelSize.getHeight() / myImage.getHeight();
+        return new Dimension((int)(myImage.getWidth() * f), (int)(myImage.getHeight() * f));
+      }
+      else if (myImage.getHeight() <= panelSize.height) {
+        final double f = panelSize.getWidth() / myImage.getWidth();
+        return new Dimension((int)(myImage.getWidth() * f), (int)(myImage.getHeight() * f));
+      }
+
+      double f = panelSize.getWidth() / myImage.getWidth();
+      int candidateWidth = (int)(myImage.getWidth() * f);
+      int candidateHeight = (int)(myImage.getHeight() * f);
+      if (candidateWidth <= panelSize.getWidth() && candidateHeight <= panelSize.getHeight()) {
+        return new Dimension(candidateWidth, candidateHeight);
+      }
+      f = panelSize.getHeight() / myImage.getHeight();
+      return new Dimension((int)(myImage.getWidth() * f), (int)(myImage.getHeight() * f));
+    }
+    return new Dimension((int)(myImage.getWidth() * myZoomFactor), (int)(myImage.getHeight() * myZoomFactor));
+  }
+
+  private void setZoomFactor(double zoomFactor) {
+    myZoomFactor = zoomFactor;
+    doRevalidate();
+  }
+
+  private double computeCurrentZoomFactor() {
+    if (myImage == null) {
+      return myZoomFactor;
+    }
+    return (double) myImagePanel.getWidth() / (double) myImage.getWidth();
+  }
+
+  private double getZoomFactor() {
+    return myZoomToFit ? computeCurrentZoomFactor() : myZoomFactor;
+  }
+
+  public void zoomOut() {
+    setZoomFactor(Math.max(getMinZoomFactor(), myZoomFactor / ZOOM_STEP));
+  }
+
+  public boolean canZoomOut() {
+    return myZoomFactor > getMinZoomFactor() + EPS;
+  }
+
+  private double getMinZoomFactor() {
+    return Math.min(1.0, (double) getParent().getWidth() / (double) myImage.getWidth());
+  }
+
+  public void zoomIn() {
+    if (myZoomToFit) {
+      myZoomToFit = false;
+      setZoomFactor(computeCurrentZoomFactor() * ZOOM_STEP);
+      return;
+    }
+    setZoomFactor(myZoomFactor * ZOOM_STEP);
+  }
+
+  public boolean canZoomIn() {
+    return getZoomFactor() * ZOOM_STEP < MAX_ZOOM_FACTOR - EPS;
+  }
+
+  public void zoomActual() {
+    if (myZoomToFit && myImagePanel.getWidth() >= myImage.getWidth() && myImagePanel.getHeight() >= myImage.getHeight()) {
+      return;
+    }
+    myZoomToFit = false;
+    setZoomFactor(1.0);
+  }
+
+  public void setZoomToFit(boolean zoomToFit) {
+    myZoomToFit = zoomToFit;
+    doRevalidate();
+  }
+
+  public boolean isZoomToFit() {
+    return myZoomToFit;
+  }
+
+  private class MyImagePanelWrapper extends JLayeredPane {
+    public MyImagePanelWrapper() {
+      add(myImagePanel);
+    }
+
+    private void centerComponents() {
+      Rectangle bounds = getBounds();
+      Point point = myImagePanel.getLocation();
+      point.x = (bounds.width - myImagePanel.getWidth()) / 2;
+      myImagePanel.setLocation(point);
+    }
+
+    public void invalidate() {
+      centerComponents();
+      super.invalidate();
+    }
+
+    public Dimension getPreferredSize() {
+      return myImagePanel.getSize();
+    }
+  }
+}
@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<form xmlns="http://www.intellij.com/uidesigner/form/" version="1" bind-to-class="org.jetbrains.android.uipreview.AndroidLayoutPreviewToolWindowForm">
+  <grid id="27dc6" binding="myContentPanel" layout-manager="GridLayoutManager" row-count="2" column-count="1" same-size-horizontally="false" same-size-vertically="false" hgap="-1" vgap="-1">
+    <margin top="3" left="3" bottom="3" right="3"/>
+    <constraints>
+      <xy x="20" y="20" width="500" height="400"/>
+    </constraints>
+    <properties/>
+    <border type="none"/>
+    <children>
+      <scrollpane id="f99f7" class="com.intellij.ui.components.JBScrollPane" binding="myScrollPane">
+        <constraints>
+          <grid row="1" column="0" row-span="1" col-span="1" vsize-policy="3" hsize-policy="3" anchor="0" fill="3" indent="0" use-parent-layout="false"/>
+        </constraints>
+        <properties/>
+        <border type="none"/>
+        <children>
+          <component id="7e0bb" class="org.jetbrains.android.uipreview.AndroidLayoutPreviewPanel" binding="myPreviewPanel">
+            <constraints/>
+            <properties/>
+          </component>
+        </children>
+      </scrollpane>
+      <grid id="fc823" binding="myComboPanel" layout-manager="GridBagLayout">
+        <constraints>
+          <grid row="0" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="3" anchor="0" fill="3" indent="0" use-parent-layout="false"/>
+        </constraints>
+        <properties/>
+        <border type="none"/>
+        <children/>
+      </grid>
+    </children>
+  </grid>
+</form>
@@ -0,0 +1,789 @@
+package org.jetbrains.android.uipreview;
+
+import com.android.AndroidConstants;
+import com.android.ide.common.resources.ResourceResolver;
+import com.android.ide.common.resources.configuration.LanguageQualifier;
+import com.android.ide.common.resources.configuration.RegionQualifier;
+import com.android.resources.DockMode;
+import com.android.resources.NightMode;
+import com.android.resources.ResourceType;
+import com.android.sdklib.IAndroidTarget;
+import com.android.sdklib.SdkConstants;
+import com.intellij.ide.ui.ListCellRendererWrapper;
+import com.intellij.openapi.Disposable;
+import com.intellij.openapi.actionSystem.*;
+import com.intellij.openapi.application.ApplicationManager;
+import com.intellij.openapi.module.Module;
+import com.intellij.openapi.module.ModuleUtil;
+import com.intellij.openapi.projectRoots.Sdk;
+import com.intellij.openapi.roots.ModuleRootManager;
+import com.intellij.openapi.ui.ComboBox;
+import com.intellij.openapi.util.IconLoader;
+import com.intellij.openapi.vfs.VirtualFile;
+import com.intellij.psi.PsiFile;
+import com.intellij.psi.xml.XmlTag;
+import com.intellij.ui.CollectionComboBoxModel;
+import com.intellij.ui.components.JBScrollPane;
+import com.intellij.util.containers.HashMap;
+import com.intellij.util.containers.HashSet;
+import org.jetbrains.android.dom.manifest.Activity;
+import org.jetbrains.android.dom.manifest.Application;
+import org.jetbrains.android.dom.manifest.Manifest;
+import org.jetbrains.android.dom.resources.ResourceElement;
+import org.jetbrains.android.dom.resources.ResourceValue;
+import org.jetbrains.android.dom.resources.Style;
+import org.jetbrains.android.facet.AndroidFacet;
+import org.jetbrains.android.sdk.*;
+import org.jetbrains.android.util.AndroidBundle;
+import org.jetbrains.android.util.AndroidUtils;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import javax.swing.*;
+import java.awt.*;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.awt.event.ComponentEvent;
+import java.awt.event.ComponentListener;
+import java.awt.image.BufferedImage;
+import java.util.*;
+import java.util.List;
+
+/**
+ * @author Eugene.Kudelevsky
+ */
+public class AndroidLayoutPreviewToolWindowForm implements Disposable {
+  private static final Icon ZOOM_TO_FIT_ICON = IconLoader.getIcon("/icons/zoomFit.png");
+  private static final Icon ZOOM_IN_ICON = IconLoader.getIcon("/icons/zoomIn.png");
+  private static final Icon ZOOM_OUT_ICON = IconLoader.getIcon("/icons/zoomOut.png");
+  private static final Icon ZOOM_ACTUAL_ICON = IconLoader.getIcon("/icons/zoomActual.png");
+
+  private JPanel myContentPanel;
+  private AndroidLayoutPreviewPanel myPreviewPanel;
+  private ComboBox myDevicesCombo;
+  private ComboBox myDeviceConfigurationsCombo;
+  private JBScrollPane myScrollPane;
+  private ComboBox myDockModeCombo;
+  private ComboBox myNightCombo;
+  private ComboBox myTargetCombo;
+  private ComboBox myLocaleCombo;
+  private ComboBox myThemeCombo;
+  private JPanel myComboPanel;
+
+  private PsiFile myFile;
+
+  private AndroidPlatform myPrevPlatform = null;
+  private LayoutDeviceManager myLayoutDeviceManager = new LayoutDeviceManager();
+  private final AndroidLayoutPreviewToolWindowManager myToolWindowManager;
+  private final ActionToolbar myActionToolBar;
+
+  public AndroidLayoutPreviewToolWindowForm(AndroidLayoutPreviewToolWindowManager toolWindowManager) {
+    myToolWindowManager = toolWindowManager;
+
+    final GridBagConstraints gb = new GridBagConstraints();
+
+    gb.fill = GridBagConstraints.HORIZONTAL;
+    gb.anchor = GridBagConstraints.CENTER;
+    gb.insets = new Insets(0, 2, 2, 2);
+    gb.gridy = 0;
+    gb.weightx = 1;
+    gb.gridx = 0;
+    gb.gridwidth = 1;
+
+    myDevicesCombo = new ComboBox();
+    myComboPanel.add(myDevicesCombo, gb);
+
+    gb.gridx++;
+    myDeviceConfigurationsCombo = new ComboBox();
+    myComboPanel.add(myDeviceConfigurationsCombo, gb);
+
+    gb.gridx++;
+    myTargetCombo = new ComboBox();
+    myComboPanel.add(myTargetCombo, gb);
+
+    gb.gridx = 0;
+    gb.gridy++;
+
+    myLocaleCombo = new ComboBox();
+    myComboPanel.add(myLocaleCombo, gb);
+
+    gb.gridx++;
+    myDockModeCombo = new ComboBox();
+    myComboPanel.add(myDockModeCombo, gb);
+
+    gb.gridx++;
+    myNightCombo = new ComboBox();
+    myComboPanel.add(myNightCombo, gb);
+
+    myDevicesCombo.setRenderer(new ListCellRendererWrapper(myDevicesCombo.getRenderer()) {
+      @Override
+      public void customize(JList list, Object value, int index, boolean selected, boolean hasFocus) {
+        if (value instanceof LayoutDevice) {
+          final LayoutDevice device = (LayoutDevice)value;
+          setText(device.getName());
+        }
+        else {
+          setText("<html><font color='red'>[none]</font></html>");
+        }
+      }
+    });
+
+    myDeviceConfigurationsCombo.setRenderer(new ListCellRendererWrapper(myDevicesCombo.getRenderer()) {
+      @Override
+      public void customize(JList list, Object value, int index, boolean selected, boolean hasFocus) {
+        if (value instanceof LayoutDeviceConfiguration) {
+          final LayoutDeviceConfiguration deviceConfiguration = (LayoutDeviceConfiguration)value;
+          setText(deviceConfiguration.getName());
+        }
+        else {
+          setText("<html><font color='red'>[none]</font></html>");
+        }
+      }
+    });
+
+    myDevicesCombo.addActionListener(new ActionListener() {
+      @Override
+      public void actionPerformed(ActionEvent e) {
+        final LayoutDevice newSelectedDevice = getSelectedDevice();
+        updateDeviceConfigurations(newSelectedDevice);
+        myToolWindowManager.render();
+      }
+    });
+
+    final DefaultActionGroup actionGroup = new DefaultActionGroup();
+    actionGroup.add(new MyZoomToFitAction());
+    actionGroup.add(new MyZoomActualAction());
+    actionGroup.add(new MyZoomInAction());
+    actionGroup.add(new MyZoomOutAction());
+    myActionToolBar = ActionManager.getInstance().createActionToolbar(ActionPlaces.UNKNOWN, actionGroup, true);
+    myActionToolBar.setReservePlaceAutoPopupIcon(false);
+
+    gb.gridx = 0;
+    gb.gridy++;
+    final JComponent toolbar = myActionToolBar.getComponent();
+    final JPanel toolBarWrapper = new JPanel(new BorderLayout());
+    toolBarWrapper.add(toolbar, BorderLayout.CENTER);
+    toolBarWrapper.setPreferredSize(new Dimension(10, toolbar.getPreferredSize().height));
+    toolBarWrapper.setMinimumSize(new Dimension(10, toolbar.getMinimumSize().height));
+    myComboPanel.add(toolBarWrapper, gb);
+
+    gb.fill = GridBagConstraints.HORIZONTAL;
+    myThemeCombo = new ComboBox();
+    gb.gridx++;
+    gb.gridwidth = 2;
+    myComboPanel.add(myThemeCombo, gb);
+
+    myContentPanel.addComponentListener(new ComponentListener() {
+      @Override
+      public void componentResized(ComponentEvent e) {
+        myPreviewPanel.updateImageSize();
+      }
+
+      @Override
+      public void componentMoved(ComponentEvent e) {
+      }
+
+      @Override
+      public void componentShown(ComponentEvent e) {
+      }
+
+      @Override
+      public void componentHidden(ComponentEvent e) {
+      }
+    });
+
+    myScrollPane.getHorizontalScrollBar().setUnitIncrement(5);
+    myScrollPane.getVerticalScrollBar().setUnitIncrement(5);
+
+    myDockModeCombo.setModel(new DefaultComboBoxModel(DockMode.values()));
+    myDockModeCombo.setRenderer(new ListCellRendererWrapper(myDockModeCombo.getRenderer()) {
+      @Override
+      public void customize(JList list, Object value, int index, boolean selected, boolean hasFocus) {
+        setText(((DockMode)value).getLongDisplayValue());
+      }
+    });
+    final ActionListener renderingListener = new ActionListener() {
+      @Override
+      public void actionPerformed(ActionEvent e) {
+        myToolWindowManager.render();
+      }
+    };
+
+    myNightCombo.setModel(new DefaultComboBoxModel(NightMode.values()));
+    myNightCombo.setRenderer(new ListCellRendererWrapper(myNightCombo.getRenderer()) {
+      @Override
+      public void customize(JList list, Object value, int index, boolean selected, boolean hasFocus) {
+        setText(((NightMode)value).getLongDisplayValue());
+      }
+    });
+
+    myTargetCombo.setRenderer(new ListCellRendererWrapper(myDevicesCombo.getRenderer()) {
+      @Override
+      public void customize(JList list, Object value, int index, boolean selected, boolean hasFocus) {
+        if (value instanceof IAndroidTarget) {
+          final IAndroidTarget target = (IAndroidTarget)value;
+          setText(target.getName());
+        }
+        else {
+          setText("<html><font color='red'>[none]</font></html>");
+        }
+      }
+    });
+
+    myTargetCombo.addActionListener(new ActionListener() {
+      @Override
+      public void actionPerformed(ActionEvent e) {
+        updateThemes();
+        myToolWindowManager.render();
+      }
+    });
+
+    myDeviceConfigurationsCombo.addActionListener(renderingListener);
+    myDockModeCombo.addActionListener(renderingListener);
+    myNightCombo.addActionListener(renderingListener);
+    myLocaleCombo.addActionListener(renderingListener);
+    myThemeCombo.addActionListener(renderingListener);
+
+    myDeviceConfigurationsCombo.setMinimumAndPreferredWidth(10);
+    myDockModeCombo.setMinimumAndPreferredWidth(10);
+    myNightCombo.setMinimumAndPreferredWidth(10);
+    myDevicesCombo.setMinimumAndPreferredWidth(10);
+    myTargetCombo.setMinimumAndPreferredWidth(10);
+    myLocaleCombo.setMinimumAndPreferredWidth(10);
+    myThemeCombo.setMinimumAndPreferredWidth(10);
+  }
+
+  public JPanel getContentPanel() {
+    return myContentPanel;
+  }
+
+  public PsiFile getFile() {
+    return myFile;
+  }
+
+  public void setFile(@Nullable PsiFile file) {
+    myFile = file;
+
+    final AndroidPlatform newPlatform = getNewPlatform(file);
+    if (newPlatform == null || !newPlatform.equals(myPrevPlatform)) {
+      myPrevPlatform = newPlatform;
+      if (file != null) {
+        updateLocales();
+        updateDevicesAndTargets(newPlatform);
+        updateThemes();
+      }
+    }
+  }
+
+  @Override
+  public void dispose() {
+  }
+
+  @Nullable
+  private static AndroidPlatform getNewPlatform(PsiFile file) {
+    if (file == null) {
+      return null;
+    }
+
+    final Module module = ModuleUtil.findModuleForPsiElement(file);
+    if (module == null) {
+      return null;
+    }
+
+    final Sdk sdk = ModuleRootManager.getInstance(module).getSdk();
+    if (sdk != null && sdk.getSdkType() instanceof AndroidSdkType) {
+      final AndroidSdkAdditionalData additionalData = (AndroidSdkAdditionalData)sdk.getSdkAdditionalData();
+      if (additionalData != null) {
+        return additionalData.getAndroidPlatform();
+      }
+    }
+    return null;
+  }
+
+  public void setErrorMessage(RenderingErrorMessage errorMessage) {
+    myPreviewPanel.setErrorMessage(errorMessage);
+  }
+
+  public void setImage(BufferedImage image) {
+    myPreviewPanel.setImage(image);
+  }
+
+  public void updatePreviewPanel() {
+    myPreviewPanel.update();
+  }
+
+  public void updateDevicesAndTargets(@Nullable AndroidPlatform platform) {
+    final AndroidSdk sdkObject = platform != null ? platform.getSdk() : null;
+    final LayoutDevice selectedDevice = getSelectedDevice();
+    final String selectedDeviceName = selectedDevice != null ? selectedDevice.getName() : null;
+
+    final List<LayoutDevice> devices;
+    if (sdkObject != null) {
+      myLayoutDeviceManager.loadDevices(sdkObject);
+      devices = myLayoutDeviceManager.getCombinedList();
+    }
+    else {
+      devices = Collections.emptyList();
+    }
+
+    LayoutDevice newSelectedDevice = devices.size() > 0 ? devices.get(0) : null;
+    if (selectedDeviceName != null) {
+      for (LayoutDevice device : devices) {
+        if (selectedDeviceName.equals(device.getName())) {
+          newSelectedDevice = device;
+        }
+      }
+    }
+    if (newSelectedDevice == null && devices.size() > 0) {
+      newSelectedDevice = devices.get(0);
+    }
+    myDevicesCombo.setModel(new CollectionComboBoxModel(devices, newSelectedDevice));
+
+    if (newSelectedDevice != null) {
+      updateDeviceConfigurations(newSelectedDevice);
+    }
+
+    final IAndroidTarget oldSelectedTarget = (IAndroidTarget)myTargetCombo.getSelectedItem();
+    final String selectedTargetHashString = oldSelectedTarget != null ? oldSelectedTarget.hashString() : null;
+    IAndroidTarget newSelectedTarget = platform != null ? platform.getTarget() : null;
+
+    final List<IAndroidTarget> targets;
+    if (sdkObject != null) {
+      targets = new ArrayList<IAndroidTarget>();
+      for (IAndroidTarget target : sdkObject.getTargets()) {
+        if (target.isPlatform()) {
+          if (target.hashString().equals(selectedTargetHashString)) {
+            newSelectedTarget = target;
+          }
+          targets.add(target);
+        }
+      }
+    }
+    else {
+      targets = Collections.emptyList();
+    }
+
+    if (newSelectedTarget == null && targets.size() > 0) {
+      newSelectedTarget = targets.get(0);
+    }
+    myTargetCombo.setModel(new CollectionComboBoxModel(targets, newSelectedTarget));
+  }
+
+  private void updateDeviceConfigurations(@Nullable LayoutDevice device) {
+    final LayoutDeviceConfiguration selectedConfiguration = getSelectedDeviceConfiguration();
+    final String selectedConfigurationName = selectedConfiguration != null
+                                             ? selectedConfiguration.getName()
+                                             : null;
+    final List<LayoutDeviceConfiguration> configurations = device != null
+                                                           ? device.getConfigurations()
+                                                           : Collections.<LayoutDeviceConfiguration>emptyList();
+
+    LayoutDeviceConfiguration newSelectedConfiguration = configurations.size() > 0
+                                                         ? configurations.get(0)
+                                                         : null;
+    if (selectedConfigurationName != null) {
+      for (LayoutDeviceConfiguration configuration : configurations) {
+        if (selectedConfigurationName.equals(configuration.getName())) {
+          newSelectedConfiguration = configuration;
+        }
+      }
+    }
+    if (newSelectedConfiguration == null) {
+      newSelectedConfiguration = configurations.get(0);
+    }
+    myDeviceConfigurationsCombo.setModel(new CollectionComboBoxModel(configurations, newSelectedConfiguration));
+  }
+
+  public void updateLocales() {
+    if (myFile == null) {
+      return;
+    }
+
+    final LocaleData oldSelectedLocale = (LocaleData)myLocaleCombo.getSelectedItem();
+    myLocaleCombo.setModel(new DefaultComboBoxModel());
+
+    final AndroidFacet facet = AndroidFacet.getInstance(myFile);
+    if (facet == null) {
+      return;
+    }
+
+    final Map<String, Set<String>> language2Regions = new HashMap<String, Set<String>>();
+
+    final VirtualFile[] resourceDirs = facet.getLocalResourceManager().getAllResourceDirs();
+    for (VirtualFile resourceDir : resourceDirs) {
+      for (VirtualFile child : resourceDir.getChildren()) {
+        if (child.isDirectory()) {
+          final String resDirName = child.getName();
+          final String[] segments = resDirName.split(AndroidConstants.RES_QUALIFIER_SEP);
+
+          final List<String> languageQualifiers = new ArrayList<String>();
+          final List<String> regionQualifiers = new ArrayList<String>();
+
+          for (String segment : segments) {
+            final LanguageQualifier languageQualifier = LanguageQualifier.getQualifier(segment);
+            if (languageQualifier != null) {
+              languageQualifiers.add(languageQualifier.getValue());
+            }
+            final RegionQualifier regionQualifier = RegionQualifier.getQualifier(segment);
+            if (regionQualifier != null) {
+              regionQualifiers.add(regionQualifier.getValue());
+            }
+          }
+
+          for (String languageQualifier : languageQualifiers) {
+            Set<String> regions = language2Regions.get(languageQualifier);
+            if (regions == null) {
+              regions = new HashSet<String>();
+              language2Regions.put(languageQualifier, regions);
+            }
+            regions.addAll(regionQualifiers);
+          }
+        }
+      }
+    }
+
+    final List<LocaleData> locales = new ArrayList<LocaleData>();
+
+    for (String language : language2Regions.keySet()) {
+      final Set<String> regions = language2Regions.get(language);
+
+      for (String region : regions) {
+        final String presentation = String.format("%1$s / %2$s", language, region);
+        locales.add(new LocaleData(language, region, presentation));
+      }
+      final String presentation = regions.size() > 0
+                                  ? String.format("%1$s / Other", language)
+                                  : String.format("%1$s / Any", language);
+      locales.add(new LocaleData(language, null, presentation));
+    }
+
+    locales.add(new LocaleData(null, null, language2Regions.size() > 0 ? "Other locale" : "Any locale"));
+
+    LocaleData newSelectedLocale = null;
+    for (LocaleData locale : locales) {
+      if (locale.equals(oldSelectedLocale)) {
+        newSelectedLocale = locale;
+      }
+    }
+
+    if (newSelectedLocale == null) {
+      final Locale defaultLocale = Locale.getDefault();
+      if (defaultLocale != null) {
+        for (LocaleData locale : locales) {
+          if (locale.equals(new LocaleData(defaultLocale.getLanguage(), defaultLocale.getCountry(), ""))) {
+            newSelectedLocale = locale;
+          }
+        }
+      }
+    }
+
+    Collections.sort(locales, new Comparator<LocaleData>() {
+      @Override
+      public int compare(LocaleData l1, LocaleData l2) {
+        return l1.toString().compareTo(l2.toString());
+      }
+    });
+
+    if (newSelectedLocale == null && locales.size() > 0) {
+      newSelectedLocale = locales.get(0);
+    }
+    myLocaleCombo.setModel(new CollectionComboBoxModel(locales, newSelectedLocale));
+  }
+
+  public void updateThemes() {
+    if (myFile == null) {
+      return;
+    }
+
+    final AndroidFacet facet = AndroidFacet.getInstance(myFile);
+    if (facet == null) {
+      return;
+    }
+
+    final List<ThemeData> themes = new ArrayList<ThemeData>();
+    final HashSet<ThemeData> addedThemes = new HashSet<ThemeData>();
+    collectThemesFromManifest(facet, themes, addedThemes);
+    collectProjectThemes(facet, themes, addedThemes);
+
+    final Module module = facet.getModule();
+    final AndroidPlatform androidPlatform = AndroidPlatform.getInstance(module);
+    if (androidPlatform != null) {
+      IAndroidTarget target = getSelectedTarget();
+      if (target == null) {
+        target = androidPlatform.getTarget();
+      }
+      final AndroidTargetData targetData = androidPlatform.getSdk().getTargetData(target);
+      if (targetData != null) {
+        if (targetData.areThemesCached()) {
+          collectFrameworkThemes(module, targetData, themes);
+          doApplyThemes(themes);
+        }
+        else {
+          ApplicationManager.getApplication().executeOnPooledThread(new Runnable() {
+            @Override
+            public void run() {
+              collectFrameworkThemes(module, targetData, themes);
+              ApplicationManager.getApplication().invokeLater(new Runnable() {
+                @Override
+                public void run() {
+                  doApplyThemes(themes);
+                  myToolWindowManager.render();
+                }
+              });
+            }
+          });
+        }
+      }
+    }
+  }
+
+  private void doApplyThemes(List<ThemeData> themes) {
+    final ThemeData oldSelection = (ThemeData)myThemeCombo.getSelectedItem();
+
+    ThemeData selection = null;
+    for (ThemeData theme : themes) {
+      if (theme.equals(oldSelection)) {
+        selection = theme;
+      }
+    }
+    if (selection == null && themes.size() > 0) {
+      selection = themes.get(0);
+    }
+    myThemeCombo.setModel(new CollectionComboBoxModel(themes, selection));
+  }
+
+  private static void collectFrameworkThemes(Module module, AndroidTargetData targetData, List<ThemeData> themes) {
+    final List<String> frameworkThemeNames = new ArrayList<String>(targetData.getThemes(module));
+    Collections.sort(frameworkThemeNames);
+    for (String themeName : frameworkThemeNames) {
+      themes.add(new ThemeData(themeName, false));
+    }
+  }
+
+  private static void collectThemesFromManifest(AndroidFacet facet, List<ThemeData> resultList, Set<ThemeData> addedThemes) {
+    final Manifest manifest = facet.getManifest();
+    if (manifest == null) {
+      return;
+    }
+
+    final Application application = manifest.getApplication();
+    if (application == null) {
+      return;
+    }
+
+    final List<ThemeData> activityThemesList = new ArrayList<ThemeData>();
+
+    final XmlTag applicationTag = application.getXmlTag();
+    ThemeData applicationTheme = null;
+    if (applicationTag != null) {
+      final String applicationThemeRef = applicationTag.getAttributeValue("theme", SdkConstants.NS_RESOURCES);
+      if (applicationThemeRef != null) {
+        applicationTheme = getThemeByRef(applicationThemeRef);
+      }
+    }
+
+    for (Activity activity : application.getActivities()) {
+      final XmlTag activityTag = activity.getXmlTag();
+      if (activityTag != null) {
+        final String activityThemeRef = activityTag.getAttributeValue("theme", SdkConstants.NS_RESOURCES);
+        if (activityThemeRef != null) {
+          final ThemeData activityTheme = getThemeByRef(activityThemeRef);
+          if (addedThemes.add(activityTheme)) {
+            activityThemesList.add(activityTheme);
+          }
+        }
+      }
+    }
+
+    if (applicationTheme != null) {
+      if (addedThemes.add(applicationTheme)) {
+        resultList.add(applicationTheme);
+      }
+    }
+    Collections.sort(activityThemesList);
+    resultList.addAll(activityThemesList);
+  }
+
+  private static void collectProjectThemes(AndroidFacet facet, Collection<ThemeData> resultList, Set<ThemeData> addedThemes) {
+    final List<ThemeData> newThemes = new ArrayList<ThemeData>();
+    final Map<String, ResourceElement> styleMap = buildStyleMap(facet);
+
+    for (ResourceElement style : styleMap.values()) {
+      if (isTheme(style, styleMap, new HashSet<ResourceElement>())) {
+        final String themeName = style.getName().getValue();
+        if (themeName != null) {
+          final ThemeData theme = new ThemeData(themeName, true);
+          if (addedThemes.add(theme)) {
+            newThemes.add(theme);
+          }
+        }
+      }
+    }
+
+    Collections.sort(newThemes);
+    resultList.addAll(newThemes);
+  }
+
+  private static Map<String, ResourceElement> buildStyleMap(AndroidFacet facet) {
+    final Map<String, ResourceElement> result = new HashMap<String, ResourceElement>();
+    final List<ResourceElement> styles = facet.getLocalResourceManager().getValueResources(ResourceType.STYLE.getName());
+    for (ResourceElement style : styles) {
+      final String styleName = style.getName().getValue();
+      if (styleName != null) {
+        result.put(styleName, style);
+      }
+    }
+    return result;
+  }
+
+  private static boolean isTheme(ResourceElement resElement, Map<String, ResourceElement> styleMap, Set<ResourceElement> visitedElements) {
+    if (!visitedElements.add(resElement)) {
+      return false;
+    }
+
+    if (!(resElement instanceof Style)) {
+      return false;
+    }
+
+    final String styleName = resElement.getName().getValue();
+    if (styleName == null) {
+      return false;
+    }
+
+    final ResourceValue parentStyleRef = ((Style)resElement).getParentStyle().getValue();
+    String parentStyleName = null;
+    boolean frameworkStyle = false;
+
+    if (parentStyleRef != null) {
+      final String s = parentStyleRef.getResourceName();
+      if (s != null) {
+        parentStyleName = s;
+        frameworkStyle = AndroidUtils.SYSTEM_RESOURCE_PACKAGE.equals(parentStyleRef.getPackage());
+      }
+    }
+
+    if (parentStyleRef == null) {
+      final int index = styleName.indexOf('.');
+      if (index >= 0) {
+        parentStyleName = styleName.substring(0, index);
+      }
+    }
+
+    if (parentStyleRef != null) {
+      if (frameworkStyle) {
+        return parentStyleName.equals("Theme") || parentStyleName.startsWith("Theme.");
+      }
+      else {
+        final ResourceElement parentStyle = styleMap.get(parentStyleName);
+        if (parentStyle != null) {
+          return isTheme(parentStyle, styleMap, visitedElements);
+        }
+      }
+    }
+
+    return false;
+  }
+
+  @NotNull
+  private static ThemeData getThemeByRef(@NotNull String themeRef) {
+    if (themeRef.startsWith(ResourceResolver.PREFIX_STYLE)) {
+      themeRef = themeRef.substring(ResourceResolver.PREFIX_STYLE.length());
+    }
+    else if (themeRef.startsWith(ResourceResolver.PREFIX_ANDROID_STYLE)) {
+      themeRef = themeRef.substring(ResourceResolver.PREFIX_ANDROID_STYLE.length());
+    }
+    boolean isProjectTheme = !themeRef.startsWith(ResourceResolver.PREFIX_ANDROID_STYLE);
+    return new ThemeData(themeRef, isProjectTheme);
+  }
+
+  public LayoutDeviceConfiguration getSelectedDeviceConfiguration() {
+    return (LayoutDeviceConfiguration)myDeviceConfigurationsCombo.getSelectedItem();
+  }
+
+  public LayoutDevice getSelectedDevice() {
+    return (LayoutDevice)myDevicesCombo.getSelectedItem();
+  }
+
+  public DockMode getSelectedDockMode() {
+    return (DockMode)myDockModeCombo.getSelectedItem();
+  }
+
+  public NightMode getSelectedNightMode() {
+    return (NightMode)myNightCombo.getSelectedItem();
+  }
+
+  public IAndroidTarget getSelectedTarget() {
+    return (IAndroidTarget)myTargetCombo.getSelectedItem();
+  }
+
+  public LocaleData getSelectedLocaleData() {
+    return (LocaleData)myLocaleCombo.getSelectedItem();
+  }
+
+  public ThemeData getSelectedTheme() {
+    return (ThemeData)myThemeCombo.getSelectedItem();
+  }
+
+  private class MyZoomInAction extends AnAction {
+    MyZoomInAction() {
+      super(AndroidBundle.message("android.layout.preview.zoom.in.action.text"), null, ZOOM_IN_ICON);
+    }
+
+    @Override
+    public void actionPerformed(AnActionEvent e) {
+      myPreviewPanel.zoomIn();
+      myActionToolBar.updateActionsImmediately();
+    }
+
+    @Override
+    public void update(AnActionEvent e) {
+      e.getPresentation().setEnabled(myPreviewPanel.canZoomIn());
+    }
+  }
+
+  private class MyZoomOutAction extends AnAction {
+    MyZoomOutAction() {
+      super(AndroidBundle.message("android.layout.preview.zoom.out.action.text"), null, ZOOM_OUT_ICON);
+    }
+
+    @Override
+    public void actionPerformed(AnActionEvent e) {
+      myPreviewPanel.zoomOut();
+      myActionToolBar.updateActionsImmediately();
+    }
+
+    @Override
+    public void update(AnActionEvent e) {
+      e.getPresentation().setEnabled(!myPreviewPanel.isZoomToFit() && myPreviewPanel.canZoomOut());
+    }
+  }
+
+  private class MyZoomActualAction extends AnAction {
+    MyZoomActualAction() {
+      super(AndroidBundle.message("android.layout.preview.zoom.actual.action.text"), null, ZOOM_ACTUAL_ICON);
+    }
+
+    @Override
+    public void actionPerformed(AnActionEvent e) {
+      myPreviewPanel.zoomActual();
+      myActionToolBar.updateActionsImmediately();
+    }
+  }
+
+  private class MyZoomToFitAction extends ToggleAction {
+    MyZoomToFitAction() {
+      super(AndroidBundle.message("android.layout.preview.zoom.to.fit.action.text"), null, ZOOM_TO_FIT_ICON);
+    }
+
+    @Override
+    public boolean isSelected(AnActionEvent e) {
+      return myPreviewPanel.isZoomToFit();
+    }
+
+    @Override
+    public void setSelected(AnActionEvent e, boolean state) {
+      myPreviewPanel.setZoomToFit(state);
+      myActionToolBar.updateActionsImmediately();
+    }
+  }
+}
@@ -0,0 +1,421 @@
+package org.jetbrains.android.uipreview;
+
+import com.android.ide.common.resources.configuration.*;
+import com.android.sdklib.IAndroidTarget;
+import com.intellij.ProjectTopics;
+import com.intellij.openapi.application.ApplicationManager;
+import com.intellij.openapi.components.ProjectComponent;
+import com.intellij.openapi.diagnostic.Logger;
+import com.intellij.openapi.editor.Document;
+import com.intellij.openapi.editor.Editor;
+import com.intellij.openapi.fileEditor.*;
+import com.intellij.openapi.module.Module;
+import com.intellij.openapi.module.ModuleUtil;
+import com.intellij.openapi.project.Project;
+import com.intellij.openapi.projectRoots.Sdk;
+import com.intellij.openapi.roots.ModuleRootEvent;
+import com.intellij.openapi.roots.ModuleRootListener;
+import com.intellij.openapi.roots.ModuleRootManager;
+import com.intellij.openapi.startup.StartupManager;
+import com.intellij.openapi.util.Disposer;
+import com.intellij.openapi.util.io.FileUtil;
+import com.intellij.openapi.vfs.*;
+import com.intellij.openapi.wm.ToolWindow;
+import com.intellij.openapi.wm.ToolWindowAnchor;
+import com.intellij.openapi.wm.ToolWindowManager;
+import com.intellij.psi.*;
+import com.intellij.psi.xml.XmlFile;
+import com.intellij.ui.content.Content;
+import com.intellij.ui.content.ContentManager;
+import com.intellij.util.containers.HashMap;
+import com.intellij.util.messages.MessageBusConnection;
+import com.intellij.util.ui.update.MergingUpdateQueue;
+import com.intellij.util.ui.update.Update;
+import org.jetbrains.android.dom.layout.LayoutDomFileDescription;
+import org.jetbrains.android.facet.AndroidFacet;
+import org.jetbrains.android.resourceManagers.ResourceManager;
+import org.jetbrains.android.sdk.*;
+import org.jetbrains.android.util.AndroidBundle;
+import org.jetbrains.android.util.AndroidSdkNotConfiguredException;
+import org.jetbrains.annotations.NonNls;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import javax.imageio.ImageIO;
+import javax.swing.*;
+import java.awt.image.BufferedImage;
+import java.io.File;
+import java.io.IOException;
+import java.util.Map;
+
+/**
+ * @author Eugene.Kudelevsky
+ */
+public class AndroidLayoutPreviewToolWindowManager implements ProjectComponent {
+  private static final Logger LOG = Logger.getInstance("#org.jetbrains.android.uipreview.AndroidLayoutPreviewToolWindowManager");
+
+  private final MergingUpdateQueue myToolWindowUpdateQueue;
+
+  private final MergingUpdateQueue myRenderingQueue;
+
+  private final Project myProject;
+  private final FileEditorManager myFileEditorManager;
+
+  private AndroidLayoutPreviewToolWindowForm myToolWindowForm;
+  private ToolWindow myToolWindow;
+  private boolean myToolWindowReady = false;
+  private boolean myToolWindowDisposed = false;
+  private final VirtualFileListener myListener = new MyVirtualFileListener();
+
+  private static final Object RENDERING_LOCK = new Object();
+
+  public AndroidLayoutPreviewToolWindowManager(final Project project, final FileEditorManager fileEditorManager) {
+    myProject = project;
+    myFileEditorManager = fileEditorManager;
+
+    myToolWindowUpdateQueue = new MergingUpdateQueue("android.layout.preview", 300, true, null, project);
+    myRenderingQueue = new MergingUpdateQueue("android.layout.rendering", 300, true, null, project, null, false);
+
+    final MessageBusConnection connection = project.getMessageBus().connect(project);
+    connection.subscribe(FileEditorManagerListener.FILE_EDITOR_MANAGER, new MyFileEditorManagerListener());
+    connection.subscribe(ProjectTopics.PROJECT_ROOTS, new MyAndroidPlatformListener());
+
+    LocalFileSystem.getInstance().addVirtualFileListener(myListener);
+
+    PsiManager.getInstance(project).addPsiTreeChangeListener(new PsiTreeChangeAdapter() {
+      public void childrenChanged(PsiTreeChangeEvent event) {
+        update(event);
+      }
+
+      public void childRemoved(PsiTreeChangeEvent event) {
+        update(event);
+      }
+
+      public void childAdded(PsiTreeChangeEvent event) {
+        update(event);
+      }
+
+      public void childReplaced(PsiTreeChangeEvent event) {
+        update(event);
+      }
+    }, project);
+  }
+
+  private void update(PsiTreeChangeEvent event) {
+    if (myToolWindowForm != null) {
+      final PsiFile file = event.getFile();
+      if (file != null && myToolWindowForm.getFile() == file) {
+        render();
+      }
+    }
+  }
+
+  public void projectOpened() {
+    StartupManager.getInstance(myProject).registerPostStartupActivity(new Runnable() {
+      public void run() {
+        myToolWindowReady = true;
+      }
+    });
+  }
+
+  private void initToolWindow() {
+    myToolWindowForm = new AndroidLayoutPreviewToolWindowForm(this);
+    myToolWindow = ToolWindowManager.getInstance(myProject)
+      .registerToolWindow(AndroidBundle.message("android.layout.preview.tool.window.title"), false, ToolWindowAnchor.RIGHT, myProject,
+                          true);
+    final JPanel contentPanel = myToolWindowForm.getContentPanel();
+    final ContentManager contentManager = myToolWindow.getContentManager();
+    final Content content = contentManager.getFactory().createContent(contentPanel, null, false);
+    content.setDisposer(myToolWindowForm);
+    content.setCloseable(false);
+    content.setPreferredFocusableComponent(contentPanel);
+    contentManager.addContent(content);
+    contentManager.setSelectedContent(content, true);
+    myToolWindow.setAvailable(false, null);
+  }
+
+  public void projectClosed() {
+    if (myToolWindowForm != null) {
+      Disposer.dispose(myToolWindowForm);
+      myToolWindowForm = null;
+      myToolWindow = null;
+      myToolWindowDisposed = true;
+      LocalFileSystem.getInstance().removeVirtualFileListener(myListener);
+    }
+  }
+
+  @NotNull
+  @NonNls
+  public String getComponentName() {
+    return "AndroidLayoutPreviewToolWindowManager";
+  }
+
+  public void initComponent() {
+  }
+
+  public void disposeComponent() {
+  }
+
+  private void processFileEditorChange(final TextEditor newEditor) {
+    myToolWindowUpdateQueue.cancelAllUpdates();
+    myToolWindowUpdateQueue.queue(new Update("update") {
+      public void run() {
+        if (!myToolWindowReady || myToolWindowDisposed) {
+          return;
+        }
+        final Editor activeEditor = newEditor != null ? newEditor.getEditor() : null;
+
+        if (myToolWindow == null) {
+          if (activeEditor == null) {
+            return;
+          }
+          initToolWindow();
+        }
+
+        if (activeEditor == null) {
+          myToolWindowForm.setFile(null);
+          myToolWindow.setAvailable(false, null);
+          return;
+        }
+
+        final PsiFile psiFile = PsiDocumentManager.getInstance(myProject).getPsiFile(activeEditor.getDocument());
+        if (psiFile == null) {
+          myToolWindowForm.setFile(null);
+          myToolWindow.setAvailable(false, null);
+          return;
+        }
+
+        if (myToolWindowForm.getFile() != psiFile) {
+          ApplicationManager.getApplication().saveAll();
+          myToolWindowForm.setFile(psiFile);
+          render();
+        }
+
+        myToolWindow.setAvailable(true, null);
+        myToolWindow.show(null);
+      }
+    });
+  }
+
+  public void render() {
+    final PsiFile psiFile = myToolWindowForm.getFile();
+    if (psiFile == null) {
+      return;
+    }
+
+    final String layoutXmlText = psiFile.getText();
+    final AndroidFacet facet = AndroidFacet.getInstance(psiFile);
+    assert facet != null;
+
+    myRenderingQueue.queue(new Update("render") {
+      @Override
+      public void run() {
+        doRender(facet, layoutXmlText);
+      }
+
+      @Override
+      public boolean canEat(Update update) {
+        return true;
+      }
+    });
+  }
+
+  private void doRender(final AndroidFacet facet, String layoutXmlText) {
+    BufferedImage image = null;
+    RenderingErrorMessage errorMessage = null;
+
+    final String imgPath = FileUtil.getTempDirectory() + "/androidLayoutPreview.png";
+
+    try {
+      final LayoutDeviceConfiguration deviceConfiguration = myToolWindowForm.getSelectedDeviceConfiguration();
+      if (deviceConfiguration == null) {
+        throw new RenderingException("Device is not specified");
+      }
+      final FolderConfiguration config = new FolderConfiguration();
+      config.set(deviceConfiguration.getConfiguration());
+      config.setDockModeQualifier(new DockModeQualifier(myToolWindowForm.getSelectedDockMode()));
+      config.setNightModeQualifier(new NightModeQualifier(myToolWindowForm.getSelectedNightMode()));
+
+      final LocaleData localeData = myToolWindowForm.getSelectedLocaleData();
+
+      config.setLanguageQualifier(new LanguageQualifier(localeData.getLanguage()));
+      config.setRegionQualifier(new RegionQualifier(localeData.getRegion()));
+
+      final IAndroidTarget target = myToolWindowForm.getSelectedTarget();
+      final ThemeData theme = myToolWindowForm.getSelectedTheme();
+
+      synchronized (RENDERING_LOCK) {
+        if (target != null && theme != null &&
+            RenderUtil.renderLayout(myProject, layoutXmlText, imgPath, target, facet, config, theme)) {
+          final File input = new File(imgPath);
+          image = ImageIO.read(input);
+        }
+      }
+    }
+    catch (RenderingException e) {
+      LOG.debug(e);
+      final String message = e.getPresentableMessage();
+      errorMessage = new RenderingErrorMessage(message != null
+                                        ? message
+                                        : AndroidBundle.message("android.layout.preview.default.error.message"));
+    }
+    catch (IOException e) {
+      LOG.info(e);
+      final String message = e.getMessage();
+      errorMessage = new RenderingErrorMessage("I/O error" + (message != null ? ": " + message : ""));
+    }
+    catch (AndroidSdkNotConfiguredException e) {
+      LOG.debug(e);
+      errorMessage = new RenderingErrorMessage("Please ", "configure", " Android SDK", new Runnable() {
+        @Override
+        public void run() {
+          AndroidSdkUtils.openModuleDependenciesConfigurable(facet.getModule());
+        }
+      });
+    }
+
+    final RenderingErrorMessage finalErrorMessage = errorMessage;
+    final BufferedImage finalImage = image;
+
+    if (!myRenderingQueue.isEmpty()) {
+      return;
+    }
+
+    ApplicationManager.getApplication().invokeLater(new Runnable() {
+      @Override
+      public void run() {
+        if (!myToolWindowReady || myToolWindowDisposed) {
+          return;
+        }
+        myToolWindowForm.setErrorMessage(finalErrorMessage);
+        if (finalErrorMessage == null) {
+          myToolWindowForm.setImage(finalImage);
+        }
+        myToolWindowForm.updatePreviewPanel();
+      }
+    });
+  }
+
+  @Nullable
+  private TextEditor getActiveLayoutXmlEditor() {
+    FileEditor[] fileEditors = myFileEditorManager.getSelectedEditors();
+    if (fileEditors.length > 0 && fileEditors[0] instanceof TextEditor) {
+      final TextEditor textEditor = (TextEditor)fileEditors[0];
+      if (isApplicableEditor(textEditor)) {
+        return textEditor;
+      }
+    }
+    return null;
+  }
+
+  private boolean isApplicableEditor(TextEditor textEditor) {
+    final Document document = textEditor.getEditor().getDocument();
+    final PsiFile psiFile = PsiDocumentManager.getInstance(myProject).getPsiFile(document);
+    return psiFile instanceof XmlFile &&
+           AndroidFacet.getInstance(psiFile) != null &&
+           LayoutDomFileDescription.isLayoutFile((XmlFile)psiFile);
+  }
+
+  public static AndroidLayoutPreviewToolWindowManager getInstance(Project project) {
+    return project.getComponent(AndroidLayoutPreviewToolWindowManager.class);
+  }
+
+  private class MyVirtualFileListener extends VirtualFileAdapter {
+    @Override
+    public void propertyChanged(VirtualFilePropertyEvent event) {
+      fileChanged(event);
+    }
+
+    @Override
+    public void fileCreated(VirtualFileEvent event) {
+      fileChanged(event);
+    }
+
+    @Override
+    public void fileDeleted(VirtualFileEvent event) {
+      fileChanged(event);
+    }
+
+    @Override
+    public void fileMoved(VirtualFileMoveEvent event) {
+      fileChanged(event);
+    }
+
+    private void fileChanged(VirtualFileEvent event) {
+      if (myToolWindowForm == null || !myToolWindowReady || myToolWindowDisposed) {
+        return;
+      }
+
+      final PsiFile layoutFile = myToolWindowForm.getFile();
+      if (layoutFile == null) {
+        return;
+      }
+
+      final VirtualFile changedFile = event.getFile();
+      final VirtualFile parent = changedFile.getParent();
+
+      if (parent != null && ResourceManager.isResourceDirectory(parent, myProject)) {
+        myToolWindowForm.updateLocales();
+        render();
+      }
+    }
+  }
+
+  private class MyAndroidPlatformListener implements ModuleRootListener {
+    private final Map<Module, Sdk> myModule2Sdk = new HashMap<Module, Sdk>();
+
+    @Override
+    public void beforeRootsChange(ModuleRootEvent event) {
+    }
+
+    @Override
+    public void rootsChanged(ModuleRootEvent event) {
+      if (myToolWindowForm == null || !myToolWindowReady || myToolWindowDisposed) {
+        return;
+      }
+
+      final PsiFile file = myToolWindowForm.getFile();
+      if (file != null) {
+        final Module module = ModuleUtil.findModuleForPsiElement(file);
+        if (module != null) {
+          final Sdk prevSdk = myModule2Sdk.get(module);
+          final Sdk newSdk = ModuleRootManager.getInstance(module).getSdk();
+          if (newSdk != null &&
+              (newSdk.getSdkType() instanceof AndroidSdkType || prevSdk.getSdkType() instanceof AndroidSdkType) &&
+              !newSdk.equals(prevSdk)) {
+            myModule2Sdk.put(module, newSdk);
+
+            final AndroidSdkAdditionalData additionalData = (AndroidSdkAdditionalData)newSdk.getSdkAdditionalData();
+            final AndroidPlatform newPlatform = additionalData != null ? additionalData.getAndroidPlatform() : null;
+            myToolWindowForm.updateDevicesAndTargets(newPlatform);
+            myToolWindowForm.updateThemes();
+
+            render();
+          }
+        }
+      }
+    }
+  }
+
+  private class MyFileEditorManagerListener implements FileEditorManagerListener {
+    public void fileOpened(FileEditorManager source, VirtualFile file) {
+      processFileEditorChange(getActiveLayoutXmlEditor());
+    }
+
+    public void fileClosed(FileEditorManager source, VirtualFile file) {
+      processFileEditorChange(getActiveLayoutXmlEditor());
+    }
+
+    public void selectionChanged(FileEditorManagerEvent event) {
+      final FileEditor newEditor = event.getNewEditor();
+      TextEditor layoutXmlEditor = null;
+      if (newEditor instanceof TextEditor) {
+        final TextEditor textEditor = (TextEditor)newEditor;
+        if (isApplicableEditor(textEditor)) {
+          layoutXmlEditor = textEditor;
+        }
+      }
+      processFileEditorChange(layoutXmlEditor);
+    }
+  }
+}
@@ -0,0 +1,237 @@
+package org.jetbrains.android.uipreview;
+
+import com.android.ide.common.resources.configuration.*;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+/**
+ * @author Eugene.Kudelevsky
+ */
+class LayoutDevice {
+
+  private final String myName;
+  private final List<LayoutDeviceConfiguration> myConfigurations = new ArrayList<LayoutDeviceConfiguration>();
+
+  private List<LayoutDeviceConfiguration> mROList;
+  private float mXDpi = Float.NaN;
+  private float mYDpi = Float.NaN;
+
+  LayoutDevice(@NotNull String name) {
+    myName = name;
+  }
+
+  void saveTo(Document doc, Element parentNode) {
+    final Element deviceNode = createNode(doc, parentNode, "device");
+    deviceNode.setAttribute("name", myName);
+
+    final Element defaultNode = createNode(doc, deviceNode, "default");
+    if (!Float.isNaN(mXDpi)) {
+      final Element xdpiNode = createNode(doc, defaultNode, "xdpi");
+      xdpiNode.setTextContent(Float.toString(mXDpi));
+    }
+    if (!Float.isNaN(mYDpi)) {
+      final Element xdpiNode = createNode(doc, defaultNode, "ydpi");
+      xdpiNode.setTextContent(Float.toString(mYDpi));
+    }
+
+    synchronized (myConfigurations) {
+      for (LayoutDeviceConfiguration config : myConfigurations) {
+        saveConfigurations(doc, deviceNode, config.getName(), config.getConfiguration());
+      }
+    }
+  }
+
+  private static Element createNode(Document doc, Element parentNode, String name) {
+    Element newNode = doc.createElementNS(LayoutDeviceManager.LAYOUT_DEVICES_NAMESPACE, name);
+    newNode.setPrefix(doc.lookupPrefix(LayoutDeviceManager.LAYOUT_DEVICES_NAMESPACE));
+    parentNode.appendChild(newNode);
+    return newNode;
+  }
+
+  private static void saveConfigurations(Document doc, Element parent, String configName, FolderConfiguration config) {
+    final Element configNode = createNode(doc, parent, "config");
+    configNode.setAttribute("name", configName);
+
+    final CountryCodeQualifier countryCodeQualifier = config.getCountryCodeQualifier();
+    if (countryCodeQualifier != null) {
+      Element node = createNode(doc, configNode, LayoutDeviceHandler.COUNTRY_CODE_TAG_NAME);
+      node.setTextContent(Integer.toString(countryCodeQualifier.getCode()));
+    }
+
+    final NetworkCodeQualifier networkCodeQualifier = config.getNetworkCodeQualifier();
+    if (networkCodeQualifier != null) {
+      Element node = createNode(doc, configNode, LayoutDeviceHandler.NETWORK_CODE_TAG_NAME);
+      node.setTextContent(Integer.toString(networkCodeQualifier.getCode()));
+    }
+
+    final ScreenSizeQualifier screenSizeQualifier = config.getScreenSizeQualifier();
+    if (screenSizeQualifier != null) {
+      Element node = createNode(doc, configNode, LayoutDeviceHandler.SCREEN_SIZE_TAG_NAME);
+      node.setTextContent(screenSizeQualifier.getFolderSegment());
+    }
+
+    final ScreenRatioQualifier screenRatioQualifier = config.getScreenRatioQualifier();
+    if (screenRatioQualifier != null) {
+      Element node = createNode(doc, configNode, LayoutDeviceHandler.SCREEN_RATIO_TAG_NAME);
+      node.setTextContent(screenRatioQualifier.getFolderSegment());
+    }
+
+    final ScreenOrientationQualifier screenOrientationQualifier = config.getScreenOrientationQualifier();
+    if (screenOrientationQualifier != null) {
+      Element node = createNode(doc, configNode, LayoutDeviceHandler.SCREEN_ORIENTATION_TAG_NAME);
+      node.setTextContent(screenOrientationQualifier.getFolderSegment());
+    }
+
+    final PixelDensityQualifier pixelDensityQualifier = config.getPixelDensityQualifier();
+    if (pixelDensityQualifier != null) {
+      Element node = createNode(doc, configNode, LayoutDeviceHandler.PIXEL_DENSITY_TAG_NAME);
+      node.setTextContent(pixelDensityQualifier.getFolderSegment());
+    }
+
+    final TouchScreenQualifier touchTypeQualifier = config.getTouchTypeQualifier();
+    if (touchTypeQualifier != null) {
+      Element node = createNode(doc, configNode, LayoutDeviceHandler.TOUCH_TYPE_TAG_NAME);
+      node.setTextContent(touchTypeQualifier.getFolderSegment());
+    }
+
+    final KeyboardStateQualifier keyboardStateQualifier = config.getKeyboardStateQualifier();
+    if (keyboardStateQualifier != null) {
+      Element node = createNode(doc, configNode, LayoutDeviceHandler.KEYBOARD_STATE_TAG_NAME);
+      node.setTextContent(keyboardStateQualifier.getFolderSegment());
+    }
+
+    final TextInputMethodQualifier textInputMethodQualifier = config.getTextInputMethodQualifier();
+    if (textInputMethodQualifier != null) {
+      Element node = createNode(doc, configNode, LayoutDeviceHandler.TEXT_INPUT_METHOD_TAG_NAME);
+      node.setTextContent(textInputMethodQualifier.getFolderSegment());
+    }
+
+    final NavigationStateQualifier navigationStateQualifier = config.getNavigationStateQualifier();
+    if (navigationStateQualifier != null) {
+      Element node = createNode(doc, configNode, LayoutDeviceHandler.NAV_STATE_TAG_NAME);
+      node.setTextContent(navigationStateQualifier.getFolderSegment());
+    }
+
+    final NavigationMethodQualifier navigationMethodQualifier = config.getNavigationMethodQualifier();
+    if (navigationMethodQualifier != null) {
+      Element node = createNode(doc, configNode, LayoutDeviceHandler.NAV_METHOD_TAG_NAME);
+      node.setTextContent(navigationMethodQualifier.getFolderSegment());
+    }
+
+    final ScreenDimensionQualifier screenDimensionQualifier = config.getScreenDimensionQualifier();
+    if (screenDimensionQualifier != null) {
+      final Element screenDimensionNode = createNode(doc, configNode, LayoutDeviceHandler.SCREEN_DIMENSION_TAG_NAME);
+
+      final Element size1Node = createNode(doc, screenDimensionNode, LayoutDeviceHandler.SIZE_TAG_NAME);
+      size1Node.setTextContent(Integer.toString(screenDimensionQualifier.getValue1()));
+
+      final Element size2Node = createNode(doc, screenDimensionNode, LayoutDeviceHandler.SIZE_TAG_NAME);
+      size2Node.setTextContent(Integer.toString(screenDimensionQualifier.getValue2()));
+    }
+  }
+
+  public void addConfig(@NotNull String name, @NotNull FolderConfiguration config) {
+    synchronized (myConfigurations) {
+      doAddConfig(name, config);
+      seal();
+    }
+  }
+
+  void addConfigs(List<LayoutDeviceConfiguration> configs) {
+    synchronized (myConfigurations) {
+      for (LayoutDeviceConfiguration config : configs) {
+        for (LayoutDeviceConfiguration c : myConfigurations) {
+          if (c.getName().equals(config.getName())) {
+            myConfigurations.remove(c);
+            break;
+          }
+        }
+        myConfigurations.add(config);
+      }
+      seal();
+    }
+  }
+
+  void removeConfig(String name) {
+    synchronized (myConfigurations) {
+      for (LayoutDeviceConfiguration config : myConfigurations) {
+        if (config.getName().equals(name)) {
+          myConfigurations.remove(config);
+          seal();
+          return;
+        }
+      }
+    }
+  }
+
+  private void doAddConfig(@NotNull String name, @NotNull FolderConfiguration config) {
+    for (LayoutDeviceConfiguration c : myConfigurations) {
+      if (c.getName().equals(name)) {
+        myConfigurations.remove(c);
+        break;
+      }
+    }
+    myConfigurations.add(new LayoutDeviceConfiguration(name, config));
+  }
+
+  private void seal() {
+    mROList = Collections.unmodifiableList(myConfigurations);
+  }
+
+  void setXDpi(float xdpi) {
+    mXDpi = xdpi;
+  }
+
+  void setYDpi(float ydpi) {
+    mYDpi = ydpi;
+  }
+
+  @NotNull
+  public String getName() {
+    return myName;
+  }
+
+  public List<LayoutDeviceConfiguration> getConfigurations() {
+    synchronized (myConfigurations) {
+      return mROList;
+    }
+  }
+
+  @Nullable
+  public LayoutDeviceConfiguration getDeviceConfigByName(String name) {
+    synchronized (myConfigurations) {
+      for (LayoutDeviceConfiguration config : myConfigurations) {
+        if (config.getName().equals(name)) {
+          return config;
+        }
+      }
+    }
+    return null;
+  }
+
+  @Nullable
+  public FolderConfiguration getFolderConfigByName(String name) {
+    synchronized (myConfigurations) {
+      for (LayoutDeviceConfiguration config : myConfigurations) {
+        if (config.getName().equals(name)) {
+          return config.getConfiguration();
+        }
+      }
+    }
+    return null;
+  }
+
+  public float getXDpi() {
+    return mXDpi;
+  }
+
+  public float getYDpi() {
+    return mYDpi;
+  }
+}
@@ -0,0 +1,28 @@
+package org.jetbrains.android.uipreview;
+
+import com.android.ide.common.resources.configuration.FolderConfiguration;
+import org.jetbrains.annotations.NotNull;
+
+/**
+* @author Eugene.Kudelevsky
+*/
+class LayoutDeviceConfiguration {
+  private final String myName;
+  private final FolderConfiguration myConfiguration;
+
+  LayoutDeviceConfiguration(@NotNull String name, @NotNull FolderConfiguration configuration) {
+    myName = name;
+    myConfiguration = configuration;
+  }
+
+  @NotNull
+  public String getName() {
+    return myName;
+  }
+
+  @NotNull
+  public FolderConfiguration getConfiguration() {
+    return myConfiguration;
+  }
+}
+
@@ -0,0 +1,160 @@
+package org.jetbrains.android.uipreview;
+
+import com.android.ide.common.resources.configuration.*;
+import com.android.resources.*;
+import org.xml.sax.Attributes;
+import org.xml.sax.SAXException;
+import org.xml.sax.helpers.DefaultHandler;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * @author Eugene.Kudelevsky
+ */
+class LayoutDeviceHandler extends DefaultHandler {
+  private static final String DEVICE_TAG_NAME = "device";
+  private static final String CONFIG_TAG_NAME = "config";
+  private static final String DEFAULT_TAG_NAME = "default";
+
+  static final String SCREEN_DIMENSION_TAG_NAME = "screen-dimension";
+  static final String COUNTRY_CODE_TAG_NAME = "country-code";
+  static final String NETWORK_CODE_TAG_NAME = "network-code";
+  static final String SCREEN_SIZE_TAG_NAME = "screen-size";
+  static final String SCREEN_RATIO_TAG_NAME = "screen-ratio";
+  static final String SCREEN_ORIENTATION_TAG_NAME = "screen-orientation";
+  static final String PIXEL_DENSITY_TAG_NAME = "pixel-density";
+  static final String TOUCH_TYPE_TAG_NAME = "touch-type";
+  static final String KEYBOARD_STATE_TAG_NAME = "keyboard-state";
+  static final String TEXT_INPUT_METHOD_TAG_NAME = "text-input-method";
+  static final String NAV_STATE_TAG_NAME = "nav-state";
+  static final String NAV_METHOD_TAG_NAME = "nav-method";
+  static final String XDPI_TAG_NAME = "xdpi";
+  static final String YDPI_TAG_NAME = "ydpi";
+  static final String SIZE_TAG_NAME = "size";
+  static final String NAME_ATTRIBUTE = "name";
+
+  private final List<LayoutDevice> myDevices = new ArrayList<LayoutDevice>();
+  private final StringBuilder myStringBuilder = new StringBuilder();
+
+  private LayoutDevice myCurrentDevice;
+  private FolderConfiguration myDefaultConfiguration;
+  private FolderConfiguration myCurrentConfiguration;
+  private String mySize1;
+  private String mySize2;
+
+  public List<LayoutDevice> getDevices() {
+    return myDevices;
+  }
+
+  @Override
+  public void startElement(String uri, String localName, String name, Attributes attributes) throws SAXException {
+    if (DEVICE_TAG_NAME.equals(localName)) {
+      final String deviceName = attributes.getValue("", NAME_ATTRIBUTE);
+      if (deviceName != null) {
+        myCurrentDevice = new LayoutDevice(deviceName);
+        myDevices.add(myCurrentDevice);
+      }
+    }
+    else if (DEFAULT_TAG_NAME.equals(localName)) {
+      myDefaultConfiguration = myCurrentConfiguration = new FolderConfiguration();
+    }
+    else if (CONFIG_TAG_NAME.equals(localName)) {
+      myCurrentConfiguration = new FolderConfiguration();
+
+      if (myDefaultConfiguration != null) {
+        myCurrentConfiguration.set(myDefaultConfiguration);
+      }
+      final String deviceName = attributes.getValue("", NAME_ATTRIBUTE);
+      if (deviceName != null) {
+        myCurrentDevice.addConfig(deviceName, myCurrentConfiguration);
+      }
+    }
+    else if (SCREEN_DIMENSION_TAG_NAME.equals(localName)) {
+      mySize1 = null;
+      mySize2 = null;
+    }
+    myStringBuilder.setLength(0);
+  }
+
+  @Override
+  public void characters(char[] ch, int start, int length) throws SAXException {
+    myStringBuilder.append(ch, start, length);
+  }
+
+  @Override
+  public void endElement(String uri, String localName, String name) throws SAXException {
+    if (DEVICE_TAG_NAME.equals(localName)) {
+      myCurrentDevice = null;
+      myDefaultConfiguration = null;
+    }
+    else if (CONFIG_TAG_NAME.equals(localName)) {
+      //mCurrentConfig.updateScreenWidthAndHeight();
+      myCurrentConfiguration = null;
+    }
+    else if (COUNTRY_CODE_TAG_NAME.equals(localName)) {
+      myCurrentConfiguration.setCountryCodeQualifier(new CountryCodeQualifier(
+        Integer.parseInt(myStringBuilder.toString())));
+    }
+    else if (NETWORK_CODE_TAG_NAME.equals(localName)) {
+      myCurrentConfiguration.setNetworkCodeQualifier(new NetworkCodeQualifier(
+        Integer.parseInt(myStringBuilder.toString())));
+    }
+    else if (SCREEN_SIZE_TAG_NAME.equals(localName)) {
+      myCurrentConfiguration.setScreenSizeQualifier(new ScreenSizeQualifier(
+        ScreenSize.getEnum(myStringBuilder.toString())));
+    }
+    else if (SCREEN_RATIO_TAG_NAME.equals(localName)) {
+      myCurrentConfiguration.setScreenRatioQualifier(new ScreenRatioQualifier(
+        ScreenRatio.getEnum(myStringBuilder.toString())));
+    }
+    else if (SCREEN_ORIENTATION_TAG_NAME.equals(localName)) {
+      myCurrentConfiguration.setScreenOrientationQualifier(new ScreenOrientationQualifier(
+        ScreenOrientation.getEnum(myStringBuilder.toString())));
+    }
+    else if (PIXEL_DENSITY_TAG_NAME.equals(localName)) {
+      myCurrentConfiguration.setPixelDensityQualifier(new PixelDensityQualifier(
+        Density.getEnum(myStringBuilder.toString())));
+    }
+    else if (TOUCH_TYPE_TAG_NAME.equals(localName)) {
+      myCurrentConfiguration.setTouchTypeQualifier(new TouchScreenQualifier(
+        TouchScreen.getEnum(myStringBuilder.toString())));
+    }
+    else if (KEYBOARD_STATE_TAG_NAME.equals(localName)) {
+      myCurrentConfiguration.setKeyboardStateQualifier(new KeyboardStateQualifier(
+        KeyboardState.getEnum(myStringBuilder.toString())));
+    }
+    else if (TEXT_INPUT_METHOD_TAG_NAME.equals(localName)) {
+      myCurrentConfiguration.setTextInputMethodQualifier(new TextInputMethodQualifier(
+        Keyboard.getEnum(myStringBuilder.toString())));
+    }
+    else if (NAV_STATE_TAG_NAME.equals(localName)) {
+      myCurrentConfiguration.setNavigationStateQualifier(new NavigationStateQualifier(
+        NavigationState.getEnum(myStringBuilder.toString())));
+    }
+    else if (NAV_METHOD_TAG_NAME.equals(localName)) {
+      myCurrentConfiguration.setNavigationMethodQualifier(new NavigationMethodQualifier(
+        Navigation.getEnum(myStringBuilder.toString())));
+    }
+    else if (SCREEN_DIMENSION_TAG_NAME.equals(localName)) {
+      final ScreenDimensionQualifier qualifier = ScreenDimensionQualifier.getQualifier(mySize1, mySize2);
+      if (qualifier != null) {
+        myCurrentConfiguration.setScreenDimensionQualifier(qualifier);
+      }
+    }
+    else if (XDPI_TAG_NAME.equals(localName)) {
+      myCurrentDevice.setXDpi(Float.parseFloat(myStringBuilder.toString()));
+    }
+    else if (YDPI_TAG_NAME.equals(localName)) {
+      myCurrentDevice.setYDpi(Float.parseFloat(myStringBuilder.toString()));
+    }
+    else if (SIZE_TAG_NAME.equals(localName)) {
+      if (mySize1 == null) {
+        mySize1 = myStringBuilder.toString();
+      }
+      else if (mySize2 == null) {
+        mySize2 = myStringBuilder.toString();
+      }
+    }
+  }
+}
@@ -0,0 +1,306 @@
+package org.jetbrains.android.uipreview;
+
+import com.android.ide.common.resources.configuration.FolderConfiguration;
+import com.android.prefs.AndroidLocation;
+import com.android.prefs.AndroidLocation.AndroidLocationException;
+import com.android.sdklib.IAndroidTarget;
+import com.android.sdklib.SdkConstants;
+import com.intellij.openapi.diagnostic.Logger;
+import org.jetbrains.android.sdk.AndroidSdk;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+import org.xml.sax.ErrorHandler;
+import org.xml.sax.InputSource;
+import org.xml.sax.SAXException;
+import org.xml.sax.SAXParseException;
+
+import javax.xml.XMLConstants;
+import javax.xml.parsers.*;
+import javax.xml.transform.Result;
+import javax.xml.transform.Source;
+import javax.xml.transform.Transformer;
+import javax.xml.transform.TransformerFactory;
+import javax.xml.transform.dom.DOMSource;
+import javax.xml.transform.stream.StreamResult;
+import javax.xml.transform.stream.StreamSource;
+import javax.xml.validation.Schema;
+import javax.xml.validation.SchemaFactory;
+import javax.xml.validation.Validator;
+import java.io.*;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+/**
+ * @author Eugene.Kudelevsky
+ */
+class LayoutDeviceManager {
+  private static final Logger LOG = Logger.getInstance("#org.jetbrains.android.uipreview.LayoutDeviceManager");
+  private static final String LAYOUT_DEVICES_XSD = "layout-devices.xsd";
+
+  static final String LAYOUT_DEVICES_NAMESPACE = "http://schemas.android.com/sdk/android/layout-devices/1";
+
+  private final List<LayoutDevice> myUserLayoutDevices = new ArrayList<LayoutDevice>();
+  private final SAXParserFactory myParserFactory;
+
+  private List<LayoutDevice> myDefaultLayoutDevices = new ArrayList<LayoutDevice>();
+  private List<LayoutDevice> myAddOnLayoutDevices = new ArrayList<LayoutDevice>();
+  private List<LayoutDevice> myLayoutDevices;
+
+  LayoutDeviceManager() {
+    myParserFactory = SAXParserFactory.newInstance();
+    myParserFactory.setNamespaceAware(true);
+  }
+
+  public List<LayoutDevice> getCombinedList() {
+    return myLayoutDevices;
+  }
+
+  public List<LayoutDevice> getDefaultLayoutDevices() {
+    return myDefaultLayoutDevices;
+  }
+
+  public List<LayoutDevice> getAddOnLayoutDevice() {
+    return myAddOnLayoutDevices;
+  }
+
+  public List<LayoutDevice> getUserLayoutDevices() {
+    return myUserLayoutDevices;
+  }
+
+  @Nullable
+  public LayoutDevice getUserLayoutDevice(String name) {
+    for (LayoutDevice d : myUserLayoutDevices) {
+      if (d.getName().equals(name)) {
+        return d;
+      }
+    }
+    return null;
+  }
+
+  public LayoutDevice addUserDevice(@NotNull String name, float xdpi, float ydpi) {
+    final LayoutDevice device = new LayoutDevice(name);
+    device.setXDpi(xdpi);
+    device.setYDpi(ydpi);
+    myUserLayoutDevices.add(device);
+    combineLayoutDevices();
+    return device;
+  }
+
+  public void removeUserDevice(LayoutDevice device) {
+    if (myUserLayoutDevices.remove(device)) {
+      combineLayoutDevices();
+    }
+  }
+
+  public LayoutDevice replaceUserDevice(@NotNull LayoutDevice device, @NotNull String newName, float newXDpi, float newYDpi) {
+    if (device.getName().equals(newName) && device.getXDpi() == newXDpi && device.getYDpi() == newYDpi) {
+      return device;
+    }
+
+    final LayoutDevice newDevice = new LayoutDevice(newName);
+    newDevice.setXDpi(newXDpi);
+    newDevice.setYDpi(newYDpi);
+
+    final List<LayoutDeviceConfiguration> configs = device.getConfigurations();
+    newDevice.addConfigs(configs);
+
+    myUserLayoutDevices.remove(device);
+    myUserLayoutDevices.add(newDevice);
+    combineLayoutDevices();
+    return newDevice;
+  }
+
+  public void addUserConfiguration(@NotNull LayoutDevice device,
+                                   @NotNull String configurationName,
+                                   @NotNull FolderConfiguration configuration) {
+    if (myUserLayoutDevices.contains(device)) {
+      device.addConfig(configurationName, configuration);
+    }
+  }
+
+  public void replaceUserConfiguration(@NotNull LayoutDevice device,
+                                       @Nullable String oldConfigurationName,
+                                       @NotNull String newConfigurationName,
+                                       @NotNull FolderConfiguration configuration) {
+    if (myUserLayoutDevices.contains(device)) {
+      if (oldConfigurationName != null && !oldConfigurationName.equals(newConfigurationName)) {
+        device.removeConfig(oldConfigurationName);
+      }
+      device.addConfig(newConfigurationName, configuration);
+    }
+  }
+
+  public void removeUserConfiguration(LayoutDevice device, String configName) {
+    if (myUserLayoutDevices.contains(device)) {
+      device.removeConfig(configName);
+    }
+  }
+
+  public void saveUserDevices() {
+    try {
+      final String userFolder = AndroidLocation.getFolder();
+      final File deviceXmlFile = new File(userFolder, SdkConstants.FN_DEVICES_XML);
+      if (!deviceXmlFile.isDirectory()) {
+        write(deviceXmlFile, myUserLayoutDevices);
+      }
+    }
+    catch (AndroidLocationException e) {
+      LOG.info(e);
+    }
+  }
+
+  public void loadDevices(@NotNull AndroidSdk sdk) {
+    loadDefaultAndUserDevices(sdk);
+    loadAddOnLayoutDevices(sdk);
+  }
+
+  private void loadDefaultAndUserDevices(@NotNull AndroidSdk sdk) {
+    loadDefaultLayoutDevices(sdk.getLocation());
+
+    try {
+      final String userFolder = AndroidLocation.getFolder();
+      final File deviceXmlFile = new File(userFolder, SdkConstants.FN_DEVICES_XML);
+      if (deviceXmlFile.isFile()) {
+        parseLayoutDevices(deviceXmlFile, myUserLayoutDevices);
+      }
+    }
+    catch (AndroidLocationException e) {
+      LOG.info(e);
+    }
+  }
+
+  private void parseAddOnLayoutDevice(File deviceXml) {
+    parseLayoutDevices(deviceXml, myAddOnLayoutDevices);
+  }
+
+  private void sealAddonLayoutDevices() {
+    myAddOnLayoutDevices = Collections.unmodifiableList(myAddOnLayoutDevices);
+
+    combineLayoutDevices();
+  }
+
+  private void loadAddOnLayoutDevices(@NotNull AndroidSdk sdk) {
+    for (IAndroidTarget target : sdk.getTargets()) {
+      if (!target.isPlatform()) {
+        File deviceXml = new File(target.getLocation(), SdkConstants.FN_DEVICES_XML);
+        if (deviceXml.isFile()) {
+          parseAddOnLayoutDevice(deviceXml);
+        }
+      }
+    }
+    sealAddonLayoutDevices();
+  }
+
+  @SuppressWarnings("IOResourceOpenedButNotSafelyClosed")
+  private void parseLayoutDevices(File deviceXml, List<LayoutDevice> list) {
+    try {
+      final Source source = new StreamSource(new FileReader(deviceXml));
+      final MyErrorHandler errorHandler = new MyErrorHandler();
+      final Validator validator = getValidator(errorHandler);
+      validator.validate(source);
+
+      if (!errorHandler.foundError()) {
+        final LayoutDeviceHandler handler = new LayoutDeviceHandler();
+        final SAXParser parser = myParserFactory.newSAXParser();
+        parser.parse(new InputSource(new FileInputStream(deviceXml)), handler);
+        list.addAll(handler.getDevices());
+      }
+    }
+    catch (SAXException e) {
+      LOG.info(e);
+    }
+    catch (FileNotFoundException e) {
+      LOG.info(e);
+    }
+    catch (IOException e) {
+      LOG.info(e);
+    }
+    catch (ParserConfigurationException e) {
+      LOG.info(e);
+    }
+  }
+
+  private static Validator getValidator(ErrorHandler handler) throws SAXException {
+    final InputStream xsdStream = LayoutDeviceManager.class.getResourceAsStream(LAYOUT_DEVICES_XSD);
+    final SchemaFactory factory = SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);
+    final Schema schema = factory.newSchema(new StreamSource(xsdStream));
+    final Validator validator = schema.newValidator();
+    if (handler != null) {
+      validator.setErrorHandler(handler);
+    }
+    return validator;
+  }
+
+  private void loadDefaultLayoutDevices(String sdkOsLocation) {
+    final List<LayoutDevice> devices = new ArrayList<LayoutDevice>();
+    final File toolsFolder = new File(sdkOsLocation, SdkConstants.OS_SDK_TOOLS_LIB_FOLDER);
+    if (toolsFolder.isDirectory()) {
+      File deviceXml = new File(toolsFolder, SdkConstants.FN_DEVICES_XML);
+      if (deviceXml.isFile()) {
+        parseLayoutDevices(deviceXml, devices);
+      }
+    }
+    myDefaultLayoutDevices = Collections.unmodifiableList(devices);
+  }
+
+  private void combineLayoutDevices() {
+    final List<LayoutDevice> devices = new ArrayList<LayoutDevice>();
+    devices.addAll(myDefaultLayoutDevices);
+    devices.addAll(myAddOnLayoutDevices);
+    devices.addAll(myUserLayoutDevices);
+    myLayoutDevices = Collections.unmodifiableList(devices);
+  }
+
+  private static void write(File deviceXml, List<LayoutDevice> deviceList) {
+    try {
+      final DocumentBuilderFactory docFactory = DocumentBuilderFactory.newInstance();
+      docFactory.setNamespaceAware(true);
+      final DocumentBuilder docBuilder = docFactory.newDocumentBuilder();
+      final Document doc = docBuilder.newDocument();
+
+      final Element baseNode = doc.createElementNS(LAYOUT_DEVICES_NAMESPACE, "layout-devices");
+      baseNode.setPrefix("d");
+      doc.appendChild(baseNode);
+
+      for (LayoutDevice device : deviceList) {
+        device.saveTo(doc, baseNode);
+      }
+      final Source source = new DOMSource(doc);
+      final File file = new File(deviceXml.getAbsolutePath());
+      final Result result = new StreamResult(file);
+      final Transformer transformer = TransformerFactory.newInstance().newTransformer();
+      transformer.transform(source, result);
+    }
+    catch (Exception e) {
+      LOG.info(e);
+    }
+  }
+
+  private static class MyErrorHandler implements ErrorHandler {
+    private boolean myError = false;
+
+    MyErrorHandler() {
+    }
+
+    public boolean foundError() {
+      return myError;
+    }
+
+    public void error(SAXParseException ex) throws SAXException {
+      myError = true;
+      LOG.info(ex);
+    }
+
+    public void fatalError(SAXParseException ex) throws SAXException {
+      myError = true;
+      LOG.info(ex);
+    }
+
+    public void warning(SAXParseException ex) throws SAXException {
+      LOG.debug(ex);
+    }
+  }
+}
@@ -0,0 +1,53 @@
+package org.jetbrains.android.uipreview;
+
+/**
+* @author Eugene.Kudelevsky
+*/
+class LocaleData {
+  private final String myLanguage;
+  private final String myRegion;
+  private final String myPresentation;
+
+  LocaleData(String language, String region, String presentation) {
+    myPresentation = presentation;
+    myLanguage = language;
+    myRegion = region;
+  }
+
+  public String getLanguage() {
+    return myLanguage;
+  }
+
+  public String getRegion() {
+    return myRegion;
+  }
+
+  @Override
+  public String toString() {
+    return myPresentation;
+  }
+
+
+  @Override
+  public boolean equals(Object o) {
+    if (this == o) return true;
+    if (o == null || getClass() != o.getClass()) return false;
+
+    LocaleData myLocale = (LocaleData)o;
+
+    if (myLanguage != null ? !myLanguage.equals(myLocale.myLanguage) : myLocale.myLanguage != null) {
+      return false;
+    }
+    if (myRegion != null ? !myRegion.equals(myLocale.myRegion) : myLocale.myRegion != null)
+      return false;
+
+    return true;
+  }
+
+  @Override
+  public int hashCode() {
+    int result = myLanguage != null ? myLanguage.hashCode() : 0;
+    result = 31 * result + (myRegion != null ? myRegion.hashCode() : 0);
+    return result;
+  }
+}
@@ -0,0 +1,99 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.android.uipreview;
+
+import com.android.ide.common.rendering.api.*;
+import com.android.ide.common.rendering.legacy.LegacyCallback;
+import com.android.resources.ResourceType;
+import com.android.util.Pair;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * @author Eugene.Kudelevsky
+ */
+class ProjectCallback extends LegacyCallback implements IProjectCallback {
+
+  private final Map<ResourceType, Map<String, Integer>> myResource2Id = new HashMap<ResourceType, Map<String, Integer>>();
+  private final Map<Integer, Pair<ResourceType, String>> myId2Resource = new HashMap<Integer, Pair<ResourceType, String>>();
+
+  @Nullable
+  public AdapterBinding getAdapterBinding(ResourceReference adapterViewRef, Object adapterCookie, Object viewObject) {
+    return null;
+  }
+
+  @Nullable
+  public Object getAdapterItemValue(ResourceReference adapterView,
+                                    Object adapterCookie,
+                                    ResourceReference itemRef,
+                                    int fullPosition,
+                                    int positionPerType,
+                                    int fullParentPosition,
+                                    int parentPositionPerType,
+                                    ResourceReference viewRef,
+                                    ViewAttribute viewAttribute,
+                                    Object defaultValue) {
+    return null;
+  }
+
+  @Nullable
+  public String getNamespace() {
+    return null;
+  }
+
+  @Nullable
+  public ILayoutPullParser getParser(String layoutName) {
+    // don't support custom parser for included files.
+    return null;
+  }
+
+  public Integer getResourceId(ResourceType type, String name) {
+    Map<String, Integer> typeMap = myResource2Id.get(type);
+    if (typeMap == null) {
+      typeMap = new HashMap<String, Integer>();
+      myResource2Id.put(type, typeMap);
+    }
+
+    Integer value = typeMap.get(name);
+    if (value == null) {
+      value = typeMap.size() + 1;
+      typeMap.put(name, value);
+      myId2Resource.put(value, Pair.of(type, name));
+    }
+
+    return value;
+  }
+
+  @Nullable
+  public Object loadView(String name, Class[] constructorSignature, Object[] constructorArgs)
+    throws ClassNotFoundException, Exception {
+    // todo: support custom views
+    return null;
+  }
+
+  public Pair<ResourceType, String> resolveResourceId(int id) {
+    return myId2Resource.get(id);
+  }
+
+  @Nullable
+  public String resolveResourceId(int[] id) {
+    // this is needed only when custom views have custom styleable
+    return null;
+  }
+}
@@ -0,0 +1,113 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.android.uipreview;
+
+import com.android.ide.common.rendering.LayoutLibrary;
+import com.android.ide.common.rendering.api.ILayoutPullParser;
+import com.android.ide.common.rendering.api.IProjectCallback;
+import com.android.ide.common.rendering.api.RenderSession;
+import com.android.ide.common.rendering.api.SessionParams;
+import com.android.ide.common.rendering.api.SessionParams.RenderingMode;
+import com.android.ide.common.resources.ResourceResolver;
+import com.android.ide.common.resources.configuration.FolderConfiguration;
+import com.android.resources.Density;
+import com.android.resources.ScreenOrientation;
+import com.intellij.openapi.diagnostic.Logger;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+import org.xmlpull.v1.XmlPullParser;
+import org.xmlpull.v1.XmlPullParserException;
+
+import java.awt.*;
+import java.io.FileNotFoundException;
+import java.io.StringReader;
+
+
+/**
+ * @author Eugene.Kudelevsky
+ */
+class RenderService {
+  private static final Logger LOG = Logger.getInstance("#org.jetbrains.android.uipreview.RenderService");
+
+  private final IProjectCallback myProjectCallback;
+  private final ResourceResolver myResourceResolver;
+  private final LayoutLibrary myLayoutLib;
+  private final FolderConfiguration myConfig;
+  private final int myMinSdkVersion;
+
+  RenderService(LayoutLibrary layoutLibrary,
+                @NotNull ResourceResolver resourceResolver,
+                FolderConfiguration config,
+                IProjectCallback projectCallback,
+                int minSdkVersion) {
+    myLayoutLib = layoutLibrary;
+    myResourceResolver = resourceResolver;
+    myConfig = config;
+    myProjectCallback = projectCallback;
+    myMinSdkVersion = minSdkVersion;
+  }
+
+  @Nullable
+  @SuppressWarnings("IOResourceOpenedButNotSafelyClosed")
+  public RenderSession createRenderSession(@NotNull String layoutXmlText, @NotNull String appLabel)
+    throws FileNotFoundException, XmlPullParserException {
+
+    final ILayoutPullParser parser = new XmlParser();
+    parser.setFeature(XmlPullParser.FEATURE_PROCESS_NAMESPACES, true);
+    parser.setInput(new StringReader(layoutXmlText));
+
+    final Dimension dimension = getDimension();
+    if (dimension == null) {
+      return null;
+    }
+
+    final int minSdkVersion = myMinSdkVersion >= 0 ? myMinSdkVersion : myConfig.getVersionQualifier().getVersion();
+    final int targetSdkVersion = myConfig.getVersionQualifier().getVersion();
+
+    final Density density = myConfig.getPixelDensityQualifier().getValue();
+    final int xdpi = density.getDpiValue();
+    final int ydpi = density.getDpiValue();
+
+    final SessionParams params =
+      new SessionParams(parser, RenderingMode.NORMAL, this, dimension.width, dimension.height, density, xdpi, ydpi, myResourceResolver,
+                        myProjectCallback, minSdkVersion, targetSdkVersion, new SimpleLogger(LOG));
+
+    params.setExtendedViewInfoMode(false);
+    params.setAppLabel(appLabel);
+    params.setConfigScreenSize(myConfig.getScreenSizeQualifier().getValue());
+
+    return myLayoutLib.createSession(params);
+  }
+
+  private Dimension getDimension() {
+    final int size1 = myConfig.getScreenDimensionQualifier().getValue1();
+    final int size2 = myConfig.getScreenDimensionQualifier().getValue2();
+    final ScreenOrientation orientation = myConfig.getScreenOrientationQualifier().getValue();
+
+    switch (orientation) {
+      case LANDSCAPE:
+        return new Dimension(size1 < size2 ? size2 : size1, size1 < size2 ? size1 : size2);
+      case PORTRAIT:
+        return new Dimension(size1 < size2 ? size1 : size2, size1 < size2 ? size2 : size1);
+      case SQUARE:
+        return new Dimension(size1, size1);
+      default:
+        LOG.error("Unknown screen orientation " + orientation);
+        return null;
+    }
+  }
+}
@@ -0,0 +1,166 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.android.uipreview;
+
+import com.android.ide.common.log.ILogger;
+import com.android.ide.common.rendering.LayoutLibrary;
+import com.android.ide.common.rendering.api.IProjectCallback;
+import com.android.ide.common.rendering.api.ResourceValue;
+import com.android.ide.common.resources.FrameworkResources;
+import com.android.ide.common.resources.ResourceRepository;
+import com.android.ide.common.resources.ResourceResolver;
+import com.android.ide.common.resources.configuration.*;
+import com.android.ide.common.sdk.LoadStatus;
+import com.android.io.FileWrapper;
+import com.android.io.FolderWrapper;
+import com.android.resources.*;
+import com.android.sdklib.IAndroidTarget;
+import com.android.sdklib.SdkConstants;
+import com.android.sdklib.internal.project.ProjectProperties;
+import com.intellij.openapi.diagnostic.Logger;
+import com.intellij.openapi.util.io.FileUtil;
+import com.intellij.openapi.vfs.LocalFileSystem;
+import com.intellij.openapi.vfs.VirtualFile;
+import org.jetbrains.android.util.AndroidBundle;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.Map;
+
+/**
+ * @author Eugene.Kudelevsky
+ */
+public class RenderServiceFactory {
+  private static final Logger LOG = Logger.getInstance("#org.jetbrains.android.uipreview.RenderServiceFactory");
+
+  private final Map<String,Map<String,Integer>> myEnumMap;
+
+  private LayoutLibrary myLibrary;
+  private FrameworkResources myResources;
+
+  @Nullable
+  public static RenderServiceFactory create(@NotNull IAndroidTarget target,
+                                            @NotNull Map<String, Map<String, Integer>> enumMap) throws RenderingException, IOException {
+    final RenderServiceFactory factory = new RenderServiceFactory(enumMap);
+    if (factory.loadLibrary(target)) {
+      return factory;
+    }
+    return null;
+  }
+
+  public static FolderConfiguration createConfig(int size1,
+                                                 int size2,
+                                                 ScreenSize screenSize,
+                                                 ScreenRatio screenRatio,
+                                                 ScreenOrientation orientation,
+                                                 Density density,
+                                                 TouchScreen touchScreen,
+                                                 KeyboardState keyboardState,
+                                                 Keyboard keyboard,
+                                                 NavigationState navigationState,
+                                                 Navigation navigation) {
+    final FolderConfiguration config = new FolderConfiguration();
+    config.addQualifier(new ScreenSizeQualifier(screenSize));
+    config.addQualifier(new ScreenRatioQualifier(screenRatio));
+    config.addQualifier(new ScreenOrientationQualifier(orientation));
+    config.addQualifier(new PixelDensityQualifier(density));
+    config.addQualifier(new TouchScreenQualifier(touchScreen));
+    config.addQualifier(new KeyboardStateQualifier(keyboardState));
+    config.addQualifier(new TextInputMethodQualifier(keyboard));
+    config.addQualifier(new NavigationStateQualifier(navigationState));
+    config.addQualifier(new NavigationMethodQualifier(navigation));
+    config.addQualifier(new ScreenDimensionQualifier(size1, size2));
+    return config;
+  }
+
+  public ResourceResolver createResourceResolver(FolderConfiguration config,
+                                                 ResourceRepository projectResources,
+                                                 String themeName,
+                                                 boolean isProjectTheme) {
+    final Map<ResourceType, Map<String, ResourceValue>> configedProjectRes = projectResources.getConfiguredResources(config);
+    final Map<ResourceType, Map<String, ResourceValue>> configedFrameworkRes = myResources.getConfiguredResources(config);
+    return ResourceResolver.create(configedProjectRes, configedFrameworkRes, themeName, isProjectTheme);
+  }
+
+  public RenderService createService(ResourceResolver resources,
+                                     FolderConfiguration config,
+                                     IProjectCallback projectCallback,
+                                     int minSdkVersion) {
+    return new RenderService(myLibrary, resources, config, projectCallback, minSdkVersion);
+  }
+
+  private RenderServiceFactory(@NotNull Map<String, Map<String, Integer>> enumMap) {
+    myEnumMap = enumMap;
+  }
+
+  private boolean loadLibrary(@NotNull IAndroidTarget target) throws RenderingException, IOException {
+    final String layoutLibJarPath = target.getPath(IAndroidTarget.LAYOUT_LIB);
+    final VirtualFile layoutLibJar = LocalFileSystem.getInstance().findFileByPath(layoutLibJarPath);
+    if (layoutLibJar == null || layoutLibJar.isDirectory()) {
+      throw new RenderingException(AndroidBundle.message("android.file.not.exist.error", FileUtil.toSystemDependentName(layoutLibJarPath)));
+    }
+
+    final String resFolderPath = target.getPath(IAndroidTarget.RESOURCES);
+    final VirtualFile resFolder = LocalFileSystem.getInstance().findFileByPath(resFolderPath);
+    if (resFolder == null || !resFolder.isDirectory()) {
+      throw new RenderingException(
+        AndroidBundle.message("android.directory.cannot.be.found.error", FileUtil.toSystemDependentName(resFolderPath)));
+    }
+
+    final String fontFolderPath = target.getPath(IAndroidTarget.FONTS);
+    final VirtualFile fontFolder = LocalFileSystem.getInstance().findFileByPath(fontFolderPath);
+    if (fontFolder == null || !fontFolder.isDirectory()) {
+      throw new RenderingException(
+        AndroidBundle.message("android.directory.cannot.be.found.error", FileUtil.toSystemDependentName(fontFolderPath)));
+    }
+
+    final String platformFolderPath = target.isPlatform() ? target.getLocation() : target.getParent().getLocation();
+    final File platformFolder = new File(platformFolderPath);
+    if (!platformFolder.isDirectory()) {
+      throw new RenderingException(
+        AndroidBundle.message("android.directory.cannot.be.found.error", FileUtil.toSystemDependentName(platformFolderPath)));
+    }
+
+    final FileWrapper buildProp = new FileWrapper(platformFolder, SdkConstants.FN_BUILD_PROP);
+    if (!buildProp.isFile()) {
+      throw new RenderingException(
+        AndroidBundle.message("android.file.not.exist.error", FileUtil.toSystemDependentName(buildProp.getPath())));
+    }
+
+    final SimpleLogger logger = new SimpleLogger(LOG);
+
+    myLibrary = LayoutLibrary.load(layoutLibJar.getPath(), logger);
+    if (myLibrary.getStatus() != LoadStatus.LOADED) {
+      throw new RenderingException(myLibrary.getLoadMessage());
+    }
+
+    myResources = loadPlatformResources(new File(resFolder.getPath()), logger);
+
+    final Map<String, String> buildPropMap = ProjectProperties.parsePropertyFile(buildProp, logger);
+    return myLibrary.init(buildPropMap, new File(fontFolder.getPath()), myEnumMap, logger);
+  }
+
+  private static FrameworkResources loadPlatformResources(File resFolder, ILogger log) throws IOException {
+    final FrameworkResources resources = new FrameworkResources();
+    final FolderWrapper resFolderWrapper = new FolderWrapper(resFolder);
+    RenderUtil.loadResources(resources, resFolderWrapper);
+    resources.loadPublicResources(resFolderWrapper, log);
+    return resources;
+  }
+}
@@ -0,0 +1,204 @@
+package org.jetbrains.android.uipreview;
+
+import com.android.ide.common.rendering.api.RenderSession;
+import com.android.ide.common.rendering.api.Result;
+import com.android.ide.common.resources.*;
+import com.android.ide.common.resources.configuration.FolderConfiguration;
+import com.android.ide.common.resources.configuration.VersionQualifier;
+import com.android.io.FolderWrapper;
+import com.android.io.IAbstractFile;
+import com.android.io.IAbstractFolder;
+import com.android.io.IAbstractResource;
+import com.android.sdklib.IAndroidTarget;
+import com.intellij.openapi.application.ApplicationManager;
+import com.intellij.openapi.diagnostic.Logger;
+import com.intellij.openapi.project.Project;
+import com.intellij.openapi.projectRoots.Sdk;
+import com.intellij.openapi.roots.ModuleRootManager;
+import com.intellij.openapi.util.Computable;
+import com.intellij.openapi.util.io.FileUtil;
+import com.intellij.openapi.vfs.VirtualFile;
+import com.intellij.psi.xml.XmlTag;
+import com.intellij.util.containers.HashMap;
+import org.jetbrains.android.dom.manifest.Application;
+import org.jetbrains.android.dom.manifest.Manifest;
+import org.jetbrains.android.facet.AndroidFacet;
+import org.jetbrains.android.sdk.AndroidPlatform;
+import org.jetbrains.android.sdk.AndroidSdkAdditionalData;
+import org.jetbrains.android.sdk.AndroidSdkType;
+import org.jetbrains.android.util.AndroidBundle;
+import org.jetbrains.android.util.AndroidSdkNotConfiguredException;
+import org.jetbrains.android.util.AndroidUtils;
+import org.jetbrains.annotations.NotNull;
+import org.xmlpull.v1.XmlPullParserException;
+
+import javax.imageio.ImageIO;
+import java.io.File;
+import java.io.IOException;
+import java.util.Map;
+
+/**
+ * @author Eugene.Kudelevsky
+ */
+class RenderUtil {
+  private static final Logger LOG = Logger.getInstance("#org.jetbrains.android.uipreview.RenderUtil");
+
+  private static final Map<String, RenderServiceFactory> ourCachedFactories = new HashMap<String, RenderServiceFactory>();
+  private static final String DEFAULT_APP_LABEL = "Android application";
+
+  private RenderUtil() {
+  }
+
+  public static boolean renderLayout(@NotNull Project project,
+                                     @NotNull String layoutXmlText,
+                                     @NotNull String imgPath,
+                                     @NotNull IAndroidTarget target,
+                                     @NotNull AndroidFacet facet,
+                                     @NotNull FolderConfiguration config,
+                                     @NotNull ThemeData theme)
+    throws RenderingException, IOException, AndroidSdkNotConfiguredException {
+    final Sdk sdk = ModuleRootManager.getInstance(facet.getModule()).getSdk();
+    if (sdk == null || !(sdk.getSdkType() instanceof AndroidSdkType)) {
+      throw new AndroidSdkNotConfiguredException();
+    }
+
+    final AndroidSdkAdditionalData data = (AndroidSdkAdditionalData)sdk.getSdkAdditionalData();
+    if (data == null) {
+      throw new RenderingException(AndroidBundle.message("sdk.broken.error"));
+    }
+
+    final AndroidPlatform platform = data.getAndroidPlatform();
+    if (platform == null) {
+      throw new RenderingException(AndroidBundle.message("sdk.broken.error"));
+    }
+
+    config.setVersionQualifier(new VersionQualifier(target.getVersion().getApiLevel()));
+
+    final RenderServiceFactory factory = platform.getSdk().getTargetData(target).getRenderServiceFactory(project);
+    if (factory == null) {
+      throw new RenderingException(AndroidBundle.message("android.layout.preview.cannot.load.library.error"));
+    }
+
+    /*if (ourTargetHashString == null || ourCachedFactory == null || !ourTargetHashString.equals(target.hashString())) {
+      ourTargetHashString = target.hashString();
+      ourCachedFactory = RenderServiceFactory.create(target, enumMap);
+      if (ourCachedFactory == null) {
+        throw new RenderingException(AndroidBundle.message("android.layout.preview.cannot.load.library.error"));
+      }
+    }*/
+
+    final ResourceRepository repository = new ResourceRepository(false) {
+      @Override
+      protected ResourceItem createResourceItem(String name) {
+        return new ResourceItem(name);
+      }
+    };
+
+    final VirtualFile[] resourceDirs = facet.getLocalResourceManager().getAllResourceDirs();
+    final IAbstractFolder[] resFolders = toAbstractFolders(resourceDirs);
+
+    loadResources(repository, resFolders);
+
+    final ResourceResolver resources = factory.createResourceResolver(config, repository, theme.getName(), theme.isProjectTheme());
+    final int minSdkVersion = getMinSdkVersion(facet);
+    final RenderService renderService = factory.createService(resources, config, new ProjectCallback(), minSdkVersion);
+
+    final RenderSession session;
+    try {
+      session = renderService.createRenderSession(layoutXmlText, getAppLabelToShow(facet));
+    }
+    catch (XmlPullParserException e) {
+      throw new RenderingException(e);
+    }
+    if (session == null) {
+      return false;
+    }
+
+    final Result result = session.getResult();
+    if (!result.isSuccess()) {
+      final Throwable exception = result.getException();
+      if (exception != null) {
+        throw new RenderingException(exception);
+      }
+      final String message = result.getErrorMessage();
+      if (message != null) {
+        LOG.info(message);
+        throw new RenderingException();
+      }
+      return false;
+    }
+
+    final String format = FileUtil.getExtension(imgPath);
+    ImageIO.write(session.getImage(), format, new File(imgPath));
+
+    return true;
+  }
+
+  private static String getAppLabelToShow(final AndroidFacet facet) {
+    return ApplicationManager.getApplication().runReadAction(new Computable<String>() {
+      @Override
+      public String compute() {
+        final Manifest manifest = facet.getManifest();
+        if (manifest != null) {
+          final Application application = manifest.getApplication();
+          if (application != null) {
+            final String label = application.getLabel().getStringValue();
+            if (label != null) {
+              return label;
+            }
+          }
+        }
+        return DEFAULT_APP_LABEL;
+      }
+    });
+  }
+
+  private static int getMinSdkVersion(final AndroidFacet facet) {
+    final XmlTag manifestTag = ApplicationManager.getApplication().runReadAction(new Computable<XmlTag>() {
+      @Override
+      public XmlTag compute() {
+        final Manifest manifest = facet.getManifest();
+        return manifest != null ? manifest.getXmlTag() : null;
+      }
+    });
+    if (manifestTag != null) {
+      for (XmlTag usesSdkTag : manifestTag.findSubTags("uses-sdk")) {
+        final int candidate = AndroidUtils.getIntAttrValue(usesSdkTag, "minSdkVersion");
+        if (candidate >= 0) {
+          return candidate;
+        }
+      }
+    }
+    return -1;
+  }
+
+  @NotNull
+  private static IAbstractFolder[] toAbstractFolders(@NotNull VirtualFile[] folders) {
+    final IAbstractFolder[] result = new IAbstractFolder[folders.length];
+    for (int i = 0; i < folders.length; i++) {
+      result[i] = new FolderWrapper(folders[i].getPath());
+    }
+    return result;
+  }
+
+  public static void loadResources(@NotNull ResourceRepository repository, @NotNull IAbstractFolder... rootFolders) throws IOException {
+    for (IAbstractFolder rootFolder : rootFolders) {
+      for (IAbstractResource file : rootFolder.listMembers()) {
+        if (!(file instanceof IAbstractFolder)) {
+          continue;
+        }
+
+        final IAbstractFolder folder = (IAbstractFolder)file;
+        final ResourceFolder resFolder = repository.processFolder(folder);
+
+        if (resFolder != null) {
+          for (IAbstractResource childRes : folder.listMembers()) {
+            if (childRes instanceof IAbstractFile) {
+              resFolder.processFile((IAbstractFile)childRes, ResourceDeltaKind.ADDED);
+            }
+          }
+        }
+      }
+    }
+  }
+}
@@ -0,0 +1,28 @@
+package org.jetbrains.android.uipreview;
+
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+/**
+* @author Eugene.Kudelevsky
+*/
+class RenderingErrorMessage {
+  final String myBeforeLinkText;
+  final String myLinkText;
+  final String myAfterLinkText;
+  final Runnable myQuickFix;
+
+  RenderingErrorMessage(@NotNull String beforeLinkText,
+                        @NotNull String linkText,
+                        @NotNull String afterLinkText,
+                        @Nullable Runnable quickFix) {
+    myBeforeLinkText = beforeLinkText;
+    myLinkText = linkText;
+    myAfterLinkText = afterLinkText;
+    myQuickFix = quickFix;
+  }
+
+  RenderingErrorMessage(@NotNull String message) {
+    this(message, "", "", null);
+  }
+}
@@ -0,0 +1,32 @@
+package org.jetbrains.android.uipreview;
+
+/**
+ * @author Eugene.Kudelevsky
+ */
+public class RenderingException extends Exception {
+  private final String myPresentableMessage;
+
+  public RenderingException() {
+    super();
+    myPresentableMessage = null;
+  }
+
+  public RenderingException(String message) {
+    super(message);
+    myPresentableMessage = message;
+  }
+
+  public RenderingException(String message, Throwable cause) {
+    super(message, cause);
+    myPresentableMessage = message;
+  }
+
+  public RenderingException(Throwable cause) {
+    super(cause);
+    myPresentableMessage = null;
+  }
+
+  public String getPresentableMessage() {
+    return myPresentableMessage;
+  }
+}
@@ -0,0 +1,55 @@
+package org.jetbrains.android.uipreview;
+
+import com.android.ide.common.log.ILogger;
+import com.android.ide.common.rendering.api.LayoutLog;
+import com.android.sdklib.ISdkLog;
+import com.intellij.openapi.diagnostic.Logger;
+
+/**
+* @author Eugene.Kudelevsky
+*/
+class SimpleLogger extends LayoutLog implements ISdkLog, ILogger {
+  private final Logger myLog;
+
+  public SimpleLogger(Logger log) {
+    myLog = log;
+  }
+
+  @Override
+  public void error(String tag, String message, Object data) {
+    myLog.debug(tag + ": " + message);
+  }
+
+  @Override
+  public void error(String tag, String message, Throwable throwable, Object data) {
+    myLog.debug(throwable);
+    myLog.debug(tag + ": " + message);
+  }
+
+  @Override
+  public void warning(String tag, String message, Object data) {
+    myLog.debug(tag + ": " + message);
+  }
+
+  @Override
+  public void fidelityWarning(String tag, String message, Throwable throwable, Object data) {
+    myLog.debug(throwable);
+    myLog.debug(tag + ": " + message);
+  }
+
+  @Override
+  public void warning(String warningFormat, Object... args) {
+    myLog.debug(String.format(warningFormat, args));
+  }
+
+  @Override
+  public void error(Throwable t, String errorFormat, Object... args) {
+    myLog.debug(t);
+    myLog.debug(String.format(errorFormat, args));
+  }
+
+  @Override
+  public void printf(String msgFormat, Object... args) {
+    myLog.debug(String.format(msgFormat, args));
+  }
+}
@@ -0,0 +1,55 @@
+package org.jetbrains.android.uipreview;
+
+import org.jetbrains.annotations.NotNull;
+
+/**
+* @author Eugene.Kudelevsky
+*/
+class ThemeData implements Comparable<ThemeData> {
+  private final String myName;
+  private final boolean myProjectTheme;
+
+  public ThemeData(@NotNull String name, boolean projectTheme) {
+    myName = name;
+    myProjectTheme = projectTheme;
+  }
+
+  @Override
+  public String toString() {
+    return myName;
+  }
+
+  @Override
+  public boolean equals(Object o) {
+    if (this == o) return true;
+    if (o == null || getClass() != o.getClass()) return false;
+
+    ThemeData myTheme = (ThemeData)o;
+
+    if (myProjectTheme != myTheme.myProjectTheme) return false;
+    if (!myName.equals(myTheme.myName)) return false;
+
+    return true;
+  }
+
+  @Override
+  public int hashCode() {
+    int result = myName.hashCode();
+    result = 31 * result + (myProjectTheme ? 1 : 0);
+    return result;
+  }
+
+  @Override
+  public int compareTo(ThemeData theme) {
+    return myName.compareTo(theme.myName);
+  }
+
+  @NotNull
+  public String getName() {
+    return myName;
+  }
+
+  public boolean isProjectTheme() {
+    return myProjectTheme;
+  }
+}
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.android.uipreview;
+
+import com.android.ide.common.rendering.api.ILayoutPullParser;
+import com.android.ide.common.rendering.legacy.ILegacyPullParser;
+import org.jetbrains.annotations.Nullable;
+import org.kxml2.io.KXmlParser;
+
+/**
+ * @author Eugene.Kudelevsky
+ */
+class XmlParser extends KXmlParser implements ILayoutPullParser, ILegacyPullParser {
+
+  @Nullable
+  public ILayoutPullParser getParser(String layoutName) {
+    return null;
+  }
+
+  @Nullable
+  public Object getViewCookie() {
+    return null;
+  }
+
+  @Nullable
+  @Override
+  public Object getViewKey() {
+    return null;
+  }
+}
@@ -0,0 +1,345 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Eclipse Public License, Version 1.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.eclipse.org/org/documents/epl-v10.php
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+-->
+<xsd:schema
+    targetNamespace="http://schemas.android.com/sdk/android/layout-devices/1"
+    xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+    xmlns:c="http://schemas.android.com/sdk/android/layout-devices/1"
+    elementFormDefault="qualified"
+    attributeFormDefault="unqualified"
+    version="1">
+
+  <!-- The root element layout-devices defines a sequence of 0..n device elements. -->
+
+  <xsd:element name="layout-devices" type="c:layoutDevicesType"/>
+
+  <xsd:complexType name="layoutDevicesType">
+    <xsd:annotation>
+      <xsd:documentation xml:lang="en">
+        The "layout-devices" element is the root element of this schema.
+
+        It must contain zero or more "device" elements that each define the configurations
+        available for a given device.
+
+        These definitions are used in the Graphical Layout Editor in the
+        Android Development Tools (ADT) plugin for Eclipse.
+      </xsd:documentation>
+    </xsd:annotation>
+
+    <xsd:sequence>
+      <!-- layout-devices defines a sequence of 0..n device elements. -->
+      <xsd:element name="device" minOccurs="0" maxOccurs="unbounded">
+
+        <xsd:annotation>
+          <xsd:documentation xml:lang="en">
+            A device element must contain at most one "default" element
+            followed by one or more "config" elements.
+
+            The "default" element defines all the default parameters
+            inherited by the following "config" elements.
+            Each "config" element can override the default values, if any.
+
+            A "device" element also has a required "name" attribute that
+            represents the user-interface name of this device.
+          </xsd:documentation>
+        </xsd:annotation>
+
+        <xsd:complexType>
+          <!-- device defines a choice of 0..1 default element
+      and 1..n config elements. -->
+
+          <xsd:sequence>
+            <xsd:element name="default" type="c:parametersType"
+                         minOccurs="0" maxOccurs="1"/>
+            <xsd:element name="config" type="c:configType"
+                         minOccurs="1" maxOccurs="unbounded"/>
+          </xsd:sequence>
+
+          <xsd:attribute name="name" type="xsd:normalizedString" use="required"/>
+        </xsd:complexType>
+
+      </xsd:element>
+    </xsd:sequence>
+  </xsd:complexType>
+
+  <!-- The type of a device>default element.
+       This is overridden by configType below for the device>config element.
+  -->
+  <xsd:complexType name="parametersType">
+    <xsd:annotation>
+      <xsd:documentation xml:lang="en">
+        The parametersType define all the parameters that can happen either in a
+        "default" element or in a named "config" element.
+        Each parameter element can appear once at most.
+
+        Parameters here are the same as those used to specify alternate Android
+        resources, as documented by
+        http://d.android.com/guide/topics/resources/resources-i18n.html#AlternateResources
+      </xsd:documentation>
+    </xsd:annotation>
+
+    <xsd:all>
+      <!-- parametersType says that 0..1 of each of these elements must be declared. -->
+
+      <xsd:element name="country-code" minOccurs="0">
+        <xsd:annotation>
+          <xsd:documentation xml:lang="en">
+            Specifies the configuration is for a particular Mobile Country Code.
+          </xsd:documentation>
+        </xsd:annotation>
+        <xsd:simpleType>
+          <xsd:restriction base="xsd:float">
+            <xsd:minInclusive value="100"/>
+            <xsd:maxInclusive value="999"/>
+          </xsd:restriction>
+        </xsd:simpleType>
+      </xsd:element>
+
+      <xsd:element name="network-code" minOccurs="0">
+        <xsd:annotation>
+          <xsd:documentation xml:lang="en">
+            Specifies the configuration is for a particular Mobile Network Code.
+          </xsd:documentation>
+        </xsd:annotation>
+        <xsd:simpleType>
+          <xsd:restriction base="xsd:float">
+            <xsd:minExclusive value="0"/>
+            <xsd:maxExclusive value="1000"/>
+          </xsd:restriction>
+        </xsd:simpleType>
+      </xsd:element>
+
+      <xsd:element name="screen-size" minOccurs="0">
+        <xsd:annotation>
+          <xsd:documentation xml:lang="en">
+            Specifies that the configuration is for a particular class of screen.
+          </xsd:documentation>
+        </xsd:annotation>
+        <xsd:simpleType>
+          <xsd:restriction base="xsd:token">
+            <xsd:enumeration value="small"/>
+            <xsd:enumeration value="normal"/>
+            <xsd:enumeration value="large"/>
+            <xsd:enumeration value="xlarge"/>
+          </xsd:restriction>
+        </xsd:simpleType>
+      </xsd:element>
+
+      <xsd:element name="screen-ratio" minOccurs="0">
+        <xsd:annotation>
+          <xsd:documentation xml:lang="en">
+            Specifies that the configuration is for a taller/wider than traditional
+            screen. This is based purely on the aspect ration of the screen: QVGA,
+            HVGA, and VGA are notlong; WQVGA, WVGA, FWVGA are long. Note that long
+            may mean either wide or tall, depending on the current orientation.
+          </xsd:documentation>
+        </xsd:annotation>
+        <xsd:simpleType>
+          <xsd:restriction base="xsd:token">
+            <xsd:enumeration value="long"/>
+            <xsd:enumeration value="notlong"/>
+          </xsd:restriction>
+        </xsd:simpleType>
+      </xsd:element>
+
+      <xsd:element name="screen-orientation" minOccurs="0">
+        <xsd:annotation>
+          <xsd:documentation xml:lang="en">
+            Specifies that the configuration is for a screen that is tall (port) or
+            wide (land).
+          </xsd:documentation>
+        </xsd:annotation>
+        <xsd:simpleType>
+          <xsd:restriction base="xsd:token">
+            <xsd:enumeration value="port"/>
+            <xsd:enumeration value="land"/>
+            <xsd:enumeration value="square"/>
+          </xsd:restriction>
+        </xsd:simpleType>
+      </xsd:element>
+
+      <xsd:element name="pixel-density" minOccurs="0">
+        <xsd:annotation>
+          <xsd:documentation xml:lang="en">
+            Specifies the screen density the configuration is defined for. The medium
+            density of traditional HVGA screens (mdpi) is defined to be approximately
+            160dpi; low density (ldpi) is 120, and high density (hdpi) is 240. There
+            is thus a 4:3 scaling factor between each density, so a 9x9 bitmap in ldpi
+            would be 12x12 is mdpi and 16x16 in hdpi.
+            The special nodpi density that can be used in resource qualifiers is not
+            a valid keyword here.
+          </xsd:documentation>
+        </xsd:annotation>
+        <xsd:simpleType>
+          <xsd:restriction base="xsd:token">
+            <xsd:enumeration value="ldpi"/>
+            <xsd:enumeration value="mdpi"/>
+            <xsd:enumeration value="tvdpi"/>
+            <xsd:enumeration value="hdpi"/>
+            <xsd:enumeration value="xhdpi"/>
+          </xsd:restriction>
+        </xsd:simpleType>
+      </xsd:element>
+
+      <xsd:element name="touch-type" minOccurs="0">
+        <xsd:annotation>
+          <xsd:documentation xml:lang="en">
+            Specifies the touch type the configuration is defined for.
+          </xsd:documentation>
+        </xsd:annotation>
+        <xsd:simpleType>
+          <xsd:restriction base="xsd:token">
+            <xsd:enumeration value="notouch"/>
+            <xsd:enumeration value="stylus"/>
+            <xsd:enumeration value="finger"/>
+          </xsd:restriction>
+        </xsd:simpleType>
+      </xsd:element>
+
+      <xsd:element name="keyboard-state" minOccurs="0">
+        <xsd:annotation>
+          <xsd:documentation xml:lang="en">
+            If your configuration uses a soft keyboard, use the keyssoft value.
+            If it doesn't and has a real keyboard, use keysexposed or keyshidden.
+          </xsd:documentation>
+        </xsd:annotation>
+        <xsd:simpleType>
+          <xsd:restriction base="xsd:token">
+            <xsd:enumeration value="keysexposed"/>
+            <xsd:enumeration value="keyshidden"/>
+            <xsd:enumeration value="keyssoft"/>
+          </xsd:restriction>
+        </xsd:simpleType>
+      </xsd:element>
+
+      <xsd:element name="text-input-method" minOccurs="0">
+        <xsd:annotation>
+          <xsd:documentation xml:lang="en">
+            Specifies the primary text input method the configuration is designed for.
+          </xsd:documentation>
+        </xsd:annotation>
+        <xsd:simpleType>
+          <xsd:restriction base="xsd:token">
+            <xsd:enumeration value="nokeys"/>
+            <xsd:enumeration value="qwerty"/>
+            <xsd:enumeration value="12key"/>
+          </xsd:restriction>
+        </xsd:simpleType>
+      </xsd:element>
+
+      <xsd:element name="nav-state" minOccurs="0">
+        <xsd:annotation>
+          <xsd:documentation xml:lang="en">
+            Specifies whether the primary non-touchscreen navigation control is
+            exposed or hidden.
+          </xsd:documentation>
+        </xsd:annotation>
+        <xsd:simpleType>
+          <xsd:restriction base="xsd:token">
+            <xsd:enumeration value="navexposed"/>
+            <xsd:enumeration value="navhidden"/>
+          </xsd:restriction>
+        </xsd:simpleType>
+      </xsd:element>
+
+      <xsd:element name="nav-method" minOccurs="0">
+        <xsd:annotation>
+          <xsd:documentation xml:lang="en">
+            Specifies the primary non-touchscreen navigation method the configuration
+            is designed for.
+          </xsd:documentation>
+        </xsd:annotation>
+        <xsd:simpleType>
+          <xsd:restriction base="xsd:token">
+            <xsd:enumeration value="dpad"/>
+            <xsd:enumeration value="trackball"/>
+            <xsd:enumeration value="wheel"/>
+            <xsd:enumeration value="nonav"/>
+          </xsd:restriction>
+        </xsd:simpleType>
+      </xsd:element>
+
+      <xsd:element name="screen-dimension" minOccurs="0">
+        <xsd:annotation>
+          <xsd:documentation xml:lang="en">
+            Specifies the device screen resolution, in pixels.
+          </xsd:documentation>
+        </xsd:annotation>
+        <xsd:complexType>
+          <xsd:sequence minOccurs="2" maxOccurs="2">
+
+            <xsd:element name="size">
+              <xsd:simpleType>
+                <xsd:restriction base="xsd:positiveInteger"/>
+              </xsd:simpleType>
+            </xsd:element>
+
+          </xsd:sequence>
+        </xsd:complexType>
+      </xsd:element>
+
+      <xsd:element name="xdpi" minOccurs="0">
+        <xsd:annotation>
+          <xsd:documentation xml:lang="en">
+            Specifies the actual density in X of the device screen.
+          </xsd:documentation>
+        </xsd:annotation>
+        <xsd:simpleType>
+          <xsd:restriction base="xsd:float">
+            <xsd:minExclusive value="0"/>
+          </xsd:restriction>
+        </xsd:simpleType>
+      </xsd:element>
+
+      <xsd:element name="ydpi" minOccurs="0">
+        <xsd:annotation>
+          <xsd:documentation xml:lang="en">
+            Specifies the actual density in Y of the device screen.
+          </xsd:documentation>
+        </xsd:annotation>
+        <xsd:simpleType>
+          <xsd:restriction base="xsd:float">
+            <xsd:minExclusive value="0"/>
+          </xsd:restriction>
+        </xsd:simpleType>
+      </xsd:element>
+
+    </xsd:all>
+  </xsd:complexType>
+
+  <!-- The type definition of a device>config element.
+       This type is basically all the element defined by parametersType and an extra
+       required "name" attribute for the user-interface configuration name.
+  -->
+  <xsd:complexType name="configType">
+    <xsd:annotation>
+      <xsd:documentation>
+        The configType defines the content of a "config" element in a "device" element.
+
+        A "config" element can have all the parameters elements defined by
+        "parameterType". It also has a required "name" attribute that indicates the
+        user-interface name for this configuration.
+      </xsd:documentation>
+    </xsd:annotation>
+
+    <xsd:complexContent>
+      <xsd:extension base="c:parametersType">
+        <xsd:attribute name="name" type="xsd:normalizedString" use="required"/>
+      </xsd:extension>
+    </xsd:complexContent>
+  </xsd:complexType>
+
+</xsd:schema>
@@ -0,0 +1,7 @@
+package org.jetbrains.android.util;
+
+/**
+ * @author Eugene.Kudelevsky
+ */
+public class AndroidSdkNotConfiguredException extends Exception {
+}
@@ -838,4 +838,43 @@ public class AndroidUtils {
    }
    return null;
  }
+
+  public static int getIntAttrValue(@NotNull final XmlTag tag, @NotNull final String attrName) {
+    String value = ApplicationManager.getApplication().runReadAction(new Computable<String>() {
+      public String compute() {
+        return tag.getAttributeValue(attrName, SdkConstants.NS_RESOURCES);
+      }
+    });
+    try {
+      return Integer.parseInt(value);
+    }
+    catch (NumberFormatException e) {
+      return -1;
+    }
+  }
+
+  @Nullable
+  public static XmlFile[] findXmlFiles(final Project project, final String... paths) {
+    XmlFile[] xmlFiles = new XmlFile[paths.length];
+    for (int i = 0; i < paths.length; i++) {
+      String path = paths[i];
+      final VirtualFile file = LocalFileSystem.getInstance().findFileByPath(path);
+      PsiFile psiFile = file != null ? ApplicationManager.getApplication().runReadAction(new Computable<PsiFile>() {
+        @Nullable
+        public PsiFile compute() {
+          return PsiManager.getInstance(project).findFile(file);
+        }
+      }) : null;
+      if (psiFile == null) {
+        LOG.info("File " + path + " is not found");
+        return null;
+      }
+      if (!(psiFile instanceof XmlFile)) {
+        LOG.info("File " + path + "  is not an xml psiFile");
+        return null;
+      }
+      xmlFiles[i] = (XmlFile)psiFile;
+    }
+    return xmlFiles;
+  }
 }
@@ -11,6 +11,7 @@ import com.intellij.openapi.roots.WatchedRootsProvider;
 import org.jetbrains.annotations.NotNull;

 import java.io.File;
+import java.util.Collections;
 import java.util.HashSet;
 import java.util.Set;

@@ -26,12 +27,16 @@ public class MvcWatchedRootProvider implements WatchedRootsProvider {

  @NotNull
  public Set<String> getRootsToWatch() {
-    final Set<String> result = new HashSet<String>();
+    if (!myProject.isInitialized()) return Collections.emptySet();
+
+    Set<String> result = null;

    for (Module module : ModuleManager.getInstance(myProject).getModules()) {
      final MvcFramework framework = MvcModuleStructureSynchronizer.getFramework(module);
      if (framework == null) continue;

+      if (result == null) result = new HashSet<String>();
+
      final File sdkWorkDir = framework.getCommonPluginsDir(module);
      if (sdkWorkDir != null) {
        result.add(sdkWorkDir.getAbsolutePath());
@@ -43,7 +48,7 @@ public class MvcWatchedRootProvider implements WatchedRootsProvider {
      }
    }

-    return result;
+    return result == null ? Collections.<String>emptySet() : result;
  }

 }