Android Wear Watch Face Vibrate With Screen Off

I have an Android Wear watch face that I'm trying to have vibrate the watch on the hour. It is working except in cases where the watch screen is off. According to the log statement

Solution 1:

When the watch goes into ambient mode, it goes into a deep sleep. As a result, code written with Handler will not run. As a result, you should use AlarmManager. For details on how to implement this, you should refer to the "Update more frequently" section on this page about the always-on functionality of Android Wear.

With regards to Bluetooth debug mode, I suspect that it works because the watch never goes into deep sleep. The same happens when I develop apps while the watch is docked.

Lastly, as for the wake up frequency, I think your functionality is fine as it only fires once an hour. For others reading this, please refrain from waking the watch up more than once a minute as this will severely impact battery life. Always test your watch face for battery life before uploading to the Play Store.

Solution 2:

in my project i use Alarm manager with MyIntentService extends IntentService. To wake up (on screen) device in onHandleIntent use following:

if (intent.getAction() != null) {
    tmp = intent.getAction();
    PowerManagerpowerManager= (PowerManager) getSystemService(POWER_SERVICE);
    wakeLock = powerManager.newWakeLock((PowerManager.SCREEN_BRIGHT_WAKE_LOCK | PowerManager.FULL_WAKE_LOCK | PowerManager.ACQUIRE_CAUSES_WAKEUP), TAG);
    wakeLock.setReferenceCounted(true);
    if(!wakeLock.isHeld()) {
        wakeLock.acquire();
    }
}