BroadcastReciver app to app in Android

BroadcastReciver app to app

• BroadcastReciver란 Android 시스템 등으로 부터 어떤 이벤트가 발생했을 시 수신등록을 했다면 수신 알람을 받는 기능이다.
• 그러므로 A와 B 둘 다 같은 폰에 있는 app이어야 한다

BroadcastReciver app to app Example

• send broadcast app

• send broadcast to B when I click send button

  public void click(View v) {
    Intent intent = new Intent();
    intent.setAction("com.test.broadcastexample");    // action name
    intent.putExtra("data", "Notice me senpai!");
    getApplicationContext().sendBroadcast(intent);
  }

• Receive broadcast app

• AndroidManifest.xml

  <receiver android:name=".MyBroadcastReceiver"
    android:enabled="true"
    android:exported="true">
    <intent-filter>
        <action android:name="com.test.broadcastexample"/>
    </intent-filter>
  </receiver>

• MainActivity.java

  BroadcastReceiver br = new MyBroadcastReceiver();
  IntentFilter filter = new IntentFilter("com.ahope.broadcastexample");
  this.registerReceiver(br, filter);

• MyBroadcastReceiver.java

  public class MyBroadcastReceiver extends BroadcastReceiver {
    private static final String TAG = "MyBroadcastReceiver";
    @Override
    public void onReceive(Context context, Intent intent) {
        Toast.makeText(context, intent.getAction(), Toast.LENGTH_LONG).show();
    }
  }