How to wake up Android Wear when it is in sleep mode?

邮差的信 提交于 2019-12-03 12:46:12

I'm using PowerManger to wakeup my wearable device each time i receive message from handled device. Do not forget to release PowerManager.WakeLock

public abstract class WatchFaceActivity extends Activity {

    private PowerManager.WakeLock mWakeLock;
    private Handler mWakeLockHandler;

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

        PowerManager powerManager = (PowerManager) getSystemService(POWER_SERVICE);
        mWakeLock = powerManager.newWakeLock((PowerManager.SCREEN_BRIGHT_WAKE_LOCK | PowerManager.FULL_WAKE_LOCK | PowerManager.ACQUIRE_CAUSES_WAKEUP), "MyWakelockTag");

        mWakeLockHandler = new Handler();

        IntentFilter messageFilter = new IntentFilter("message-forwarded-from-data-layer");
        MessageReceiver messageReceiver = new MessageReceiver();
        LocalBroadcastManager.getInstance(this).registerReceiver(messageReceiver, messageFilter);
    }

    public class MessageReceiver extends BroadcastReceiver {

        @Override
        public void onReceive(Context context, Intent intent) {
            if (!mWakeLock.isHeld()) {
                mWakeLock.acquire();
            }
            mWakeLockHandler.removeCallbacksAndMessages(null);
            mWakeLockHandler.postDelayed(mReleaseRunnable, 5000);
        }
    }

    private Runnable mReleaseRunnable = new Runnable() {

        @Override
        public void run() {
            mWakeLock.release();
        }
    };


    @Override
    protected void onDestroy() {
        super.onDestroy();
        mWakeLockHandler.removeCallbacksAndMessages(null);
        mWakeLock.release();
    }
}

And allow WAKE_UP permission in your Manifest.

<uses-permission android:name="android.permission.WAKE_LOCK" />
cgr

You should use AlarmManager along with WakefulBroadcastReceiver and startWakefulService(). See this working solution.
You may find answers for your further questions in chat history on that post here.This is the only solution worked for our app.

@SeaDog is successful in making http calls when device in deep sleep mode with this solution. Try it.

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