MusicProvider.java 文件源码

@Override
public ContentProviderResult[] applyBatch(ArrayList<ContentProviderOperation> operations)
        throws OperationApplicationException {
    if (DBG) Log.d(TAG, "applyBatch");
    ContentProviderResult[] result = null;
    SQLiteDatabase db = mDbHolder.get();
    db.beginTransaction();
    try {
         result = super.applyBatch(operations);
         db.setTransactionSuccessful();
    } finally {
        db.endTransaction();
    }
    if (result != null) {
        mCr.notifyChange(MusicStore.ALL_CONTENT_URI, null);
    }
    return result;
}