외부 전원 연결 / 헤드셋 연결 감지하기

[Snippet]
 "외부 전원 연결(끊김)" 감지하기

private final BroadcastReceiver mPowerConnectionReceiver = new BroadcastReceiver() {
    @Override
    public void onReceive(Context context, Intent intent) {
        if (Intent.ACTION_POWER_CONNECTED.equals(intent.getAction())) {
            //전원 연결시 처리
        } else if (Intent.ACTION_POWER_DISCONNECTED.equals(intent.getAction())) {
            //전원 끊김시 처리

    }
};

protected void onResume() {
    ... 
 
    IntentFilter filter = new IntentFilter();
    filter.addAction(Intent.ACTION_POWER_CONNECTED);
    filter.addAction(Intent.ACTION_POWER_DISCONNECTED);

    registerReceiver(mPowerConnectionReceiver, filter);
}

protected void onPause() {
    ...
 
    unregisterReceiver(mPowerConnectionReceiver);

}

 

 

 "헤드셋 연결(끊김)" 감지하기

private final BroadcastReceiver mHeadsetConnectionReceiver = new BroadcastReceiver() {
    @Override
    public void onReceive(Context context, Intent intent) {
        if (Intent.ACTION_HEADSET_PLUG.equals(intent.getAction())) {
            switch(intent.getIntExtra("state", 0)) {
                case 0:
                    //헤드셋 연결시 처리
                    break;
                case 1:
                    //헤드셋 끊김시 처리
                    break;
                default: 
                    break;
            }
        }
    }
};

protected void onResume() {
    ...
 
    IntentFilter filter = new IntentFilter(Intent.ACTION_HEADSET_PLUG);
    registerReceiver(mHeadsetConnectionReceiver, filter);
}

protected void onPause() {
    ...
 
    unregisterReceiver(mHeadsetConnectionReceiver);

}

 

 

 

[Sample]

 외부 전원 / 헤드셋 연결(끊김) 감지시 토스트 메시지 표시하기

public class MainActivity extends AppCompatActivity {
    private final BroadcastReceiver mConnectionReceiver = new BroadcastReceiver() {
        @Override
        public void onReceive(Context context, Intent intent) {
            if (Intent.ACTION_POWER_CONNECTED.equals(intent.getAction())) {
                Toast.makeText(context, "AC Power connected.", Toast.LENGTH_LONG).show();
            } else if (Intent.ACTION_POWER_DISCONNECTED.equals(intent.getAction())) {
                Toast.makeText(context, "AC Power disconnected.", Toast.LENGTH_LONG).show();
            } else if (Intent.ACTION_HEADSET_PLUG.equals(intent.getAction())) {
                Toast.makeText(context, "Headset " + ((intent.getIntExtra("state", 0) == 1) ? "connect" : "disconnect") + " detected.",
                        Toast.LENGTH_LONG).show();
            }
        }
    };

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
    }

    @Override
    protected void onResume() {
        super.onResume();

        IntentFilter filter = new IntentFilter();
        filter.addAction(Intent.ACTION_POWER_CONNECTED);
        filter.addAction(Intent.ACTION_POWER_DISCONNECTED);
        filter.addAction(Intent.ACTION_HEADSET_PLUG);
        registerReceiver(mConnectionReceiver, filter);
    }

    @Override
    protected void onPause() {
        unregisterReceiver(mConnectionReceiver);
        super.onPause();
    }
}

프로젝트 화일

ConnectionDetectTest.zip

 

[실행결과]