沒有調用BroadcastReceiver的onReceive方法

Question

我有一個片段和一個服務，我想在執行任務后從服務中更新片段的UI（列表視圖），所以我創建了BroadcastReceiver，但是沒有調用onReceive方法。建議。

這是我的代碼：MyReciever：

 public class Myreceiver extends BroadcastReceiver{

            @Override
            public void onReceive(Context context, Intent intent) {
                // TODO Auto-generated method stub
                Log.d("TAG" , "onrecive::");
                refreshView();
            }

        }

onResume / onPause片段：

@Override
public void onResume() {
    super.onResume();
    Log.d(TAG, tag + " onResume() called");
    Log.d("TAG" , "nibha :: test on resume " +DeliveryOrder.isSyncDone );

    getActivity().registerReceiver(myrec,
            new IntentFilter("com.Mediapp."+tag+".SYNC_FINISH"));

    mDOListAdapter.notifyDataSetChanged();
    Log.d(TAG, tag + " onResume() ended");
}

@Override
public void onPause() {
    super.onPause();
    Log.d(TAG, tag + " onPause called");
    getActivity().unregisterReceiver(myrec);
    Log.d(TAG, tag + " onPause ended");
}

onService：

Log.d("TAG" , "nibha :: test " +DeliveryOrder.isSyncDone );
            Intent in= new Intent();
            in.setAction("com.Mediapp."+tag+".SYNC_FINISH");
            sendBroadcast(in);
            Log.d("nibha", "onHandleIntent: sending broadcast");

Answer 1

在Android Manifest中注冊BroadcastReceiver 。

<receiver android:name=".Myreceiver">
        <intent-filter>
            <action android:name="android.intent.action.PHONE_STATE" />
        </intent-filter>
</receiver>

在onResume()方法中，將一個布爾值保存在SharedPreferences 。

SharedPreferences settings = PreferenceManager.getDefaultSharedPreferences(this);
SharedPreferences.Editor e = settings.edit();

e.putBoolean("action_performed", true);
e.commit();

現在，在BroadcastReceiver onReceive()方法中檢查action_performed是否為true。 如果是，那么您想做什么。

@Override
public void onReceive(Context context, Intent intent) {
    // TODO Auto-generated method stub
    Log.d("TAG" , "onrecive::");

    SharedPreferences settings = PreferenceManager.getDefaultSharedPreferences(context);
    boolean actionDone = settings.getBoolean("action_performed", false);

    if(actionDone) {
        refreshView();
    }
}