Android监听SDcard插拔广播

// 声明监听广播
   BroadcastReceiver mountReceiver = new BroadcastReceiver() {
        @Override
        public void onReceive(Context context, Intent intent) {
            String action = intent.getAction();
            Uri data = intent.getData();
            String path = data.getPath();
            File file = new File(path);
          // doing 
        }
    };

// 注册接受广播
    void register() {
        try {
            IntentFilter intentFilter = new IntentFilter();
            intentFilter.addAction(Intent.ACTION_MEDIA_MOUNTED);
            intentFilter.addAction(Intent.ACTION_MEDIA_UNMOUNTED);
            intentFilter.setPriority(1000);
            intentFilter.addDataScheme("file");
            getActivity().registerReceiver(mountReceiver, intentFilter);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

// 注销
    void unregister() {
        try {
            getActivity().unregisterReceiver(mountReceiver);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

@Override
public void onDestroy() {
    super.onDestroy();
    unregister();
}