private static void doCollectResourceDirs(
      AndroidFacet facet,
      boolean collectResCacheDirs,
      List<String> result,
      CompileContext context) {
    final Module module = facet.getModule();

    if (collectResCacheDirs) {
      final AndroidPlatform platform = facet.getConfiguration().getAndroidPlatform();
      final int platformToolsRevision =
          platform != null ? platform.getSdk().getPlatformToolsRevision() : -1;

      if (platformToolsRevision < 0 || platformToolsRevision > 7) {
        // png cache is supported since platform-tools-r8
        final String resCacheDirOsPath = findResourcesCacheDirectory(module, false, context);
        if (resCacheDirOsPath != null) {
          result.add(resCacheDirOsPath);
        } else {
          LOG.info("PNG cache not found for module " + module.getName());
        }
      }
    }

    final VirtualFile resourcesDir = AndroidAptCompiler.getResourceDirForApkCompiler(module, facet);
    if (resourcesDir != null) {
      result.add(resourcesDir.getPath());
    }
  }
  public static void removeDuplicatingClasses(
      final Module module,
      @NotNull final String packageName,
      @NotNull String className,
      @Nullable File classFile,
      String sourceRootPath) {
    if (sourceRootPath == null) {
      return;
    }
    VirtualFile sourceRoot = LocalFileSystem.getInstance().findFileByPath(sourceRootPath);
    if (sourceRoot == null) {
      return;
    }
    final Project project = module.getProject();
    final JavaPsiFacade facade = JavaPsiFacade.getInstance(project);
    final String interfaceQualifiedName = packageName + '.' + className;
    PsiClass[] classes =
        facade.findClasses(interfaceQualifiedName, GlobalSearchScope.moduleScope(module));
    final ProjectFileIndex projectFileIndex =
        ProjectRootManager.getInstance(project).getFileIndex();
    for (PsiClass c : classes) {
      PsiFile psiFile = c.getContainingFile();
      if (className.equals(FileUtil.getNameWithoutExtension(psiFile.getName()))) {
        VirtualFile virtualFile = psiFile.getVirtualFile();
        if (virtualFile != null
            && projectFileIndex.getSourceRootForFile(virtualFile) == sourceRoot) {
          final String path = virtualFile.getPath();
          File f = new File(path);

          try {
            f = f.getCanonicalFile();
            classFile = classFile != null ? classFile.getCanonicalFile() : null;
            if (f != null && !f.equals(classFile) && f.exists()) {
              if (f.delete()) {
                virtualFile.refresh(true, false);
              } else {
                ApplicationManager.getApplication()
                    .invokeLater(
                        new Runnable() {
                          public void run() {
                            Messages.showErrorDialog(
                                project, "Can't delete file " + path, CommonBundle.getErrorTitle());
                          }
                        },
                        project.getDisposed());
              }
            }
          } catch (IOException e) {
            LOG.info(e);
          }
        }
      }
    }
  }