bug fixes

plugins/android/src/org/jetbrains/android/compiler/AndroidAutogenerator.java

@@ -359,6 +359,8 @@ public class AndroidAutogenerator {
     final ModuleCompileScope moduleCompileScope = new ModuleCompileScope(module, false);
     final VirtualFile[] files = moduleCompileScope.getFiles(AndroidRenderscriptFileType.INSTANCE, true);
 
+    facet.clearAutogeneratedFiles(AndroidAutogeneratorMode.RENDERSCRIPT);
+
     for (final VirtualFile file : files) {
       final RenderscriptAutogenerationItem item =
         ApplicationManager.getApplication().runReadAction(new Computable<RenderscriptAutogenerationItem>() {
@@ -395,6 +397,10 @@ public class AndroidAutogenerator {
           }
         });
 
+      if (item == null) {
+        continue;
+      }
+
       File tempOutDir = null;
 
       try {
@@ -404,13 +410,11 @@ public class AndroidAutogenerator {
           launchRenderscriptCompiler(module.getProject(), item.mySdkLocation, item.myTarget, file, tempOutDir.getPath(), item.myRawDirPath);
 
         if (messages.get(CompilerMessageCategory.ERROR).size() == 0) {
-          facet.clearAutogeneratedFiles(AndroidAutogeneratorMode.RENDERSCRIPT);
-
           final List<File> newFiles = new ArrayList<File>();
           moveAllFiles(tempOutDir, new File(item.myGenDirPath), newFiles);
 
           for (File newFile : newFiles) {
-            final VirtualFile newVFile = LocalFileSystem.getInstance().findFileByIoFile(newFile);
+            final VirtualFile newVFile = LocalFileSystem.getInstance().refreshAndFindFileByIoFile(newFile);
 
             if (newVFile != null) {
               facet.markFileAutogenerated(AndroidAutogeneratorMode.RENDERSCRIPT, newVFile);

plugins/android/src/org/jetbrains/android/facet/AndroidFacet.java

@@ -143,7 +143,9 @@ public class AndroidFacet extends Facet<AndroidFacetConfiguration> {
             }
           }
         }
-        alarm.addRequest(this, 2000);
+        if (!alarm.isDisposed()) {
+          alarm.addRequest(this, 2000);
+        }
       }
     }, 2000);
     return alarm;

plugins/android/src/org/jetbrains/android/facet/AndroidResourceFilesListener.java

@@ -112,9 +112,6 @@ class AndroidResourceFilesListener extends VirtualFileAdapter {
 
   private void fileChanged(@NotNull final VirtualFileEvent e) {
     VirtualFile file = e.getFile();
-    if (!file.isValid()) {
-      return;
-    }
 
     VirtualFile parent = e.getParent();
     VirtualFile gp = parent != null ? parent.getParent() : null;