眼下最完整的，须要注冊的动作匹配例如以下：

IntentFilter intentFilter = new IntentFilter(Intent.ACTION_MEDIA_MOUNTED);

        intentFilter.addAction(Intent.ACTION_MEDIA_UNMOUNTED);

        intentFilter.addAction(Intent.ACTION_MEDIA_SCANNER_STARTED);

        intentFilter.addAction(Intent.ACTION_MEDIA_SCANNER_FINISHED);

        intentFilter.addAction(Intent.ACTION_MEDIA_CHECKING);

        intentFilter.addAction(Intent.ACTION_MEDIA_BAD_REMOVAL);

        intentFilter.addDataScheme("file");

        mContext.registerReceiver(mMediaReceiver, intentFilter);