BookmarkWidgetService.java 文件源码

@BinderThread
@Override
public int getCount() {
    //On some Sony devices, getCount() could be called before onDatasetChanged()
    //returns. If it happens, refresh widget until the bookmarks are all loaded.
    if (mCurrentFolder == null || !mPreferences.getString(PREF_CURRENT_FOLDER, "")
            .equals(mCurrentFolder.folder.id.toString())) {
        ThreadUtils.runOnUiThread(new Runnable() {
            @Override
            public void run() {
                refreshWidget();
            }
        });
    }
    if (mCurrentFolder == null) {
        return 0;
    }
    return mCurrentFolder.children.size() + (mCurrentFolder.parent != null ? 1 : 0);
}