What does the following code output? public class XYZ extends AsyncTask { @Override protected String doInBackground(String... params) { PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE); final WakeLockwl = pm.newWakeLock(PowerManager.SCREEN_BRIGHT_WAKE_LOCK |PowerManager.ACQUIRE_CAUSES_WAKEUP |PowerManager.ON_AFTER_RELEASE, ""); wl.acquire(); return "Executed"; } @Override protected void onPostExecute(String result) {} }

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Question:What does the following code output? public class XYZ extends AsyncTask { @Override protected String doInBackground(String... params) { PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE); final WakeLockwl = pm.newWakeLock(PowerManager.SCREEN_BRIGHT_WAKE_LOCK |PowerManager.ACQUIRE_CAUSES_WAKEUP |PowerManager.ON_AFTER_RELEASE, ""); wl.acquire(); return "Executed"; } @Override protected void onPostExecute(String result) {} }

1.Startup power manager to save screen power

2.unlock the screen

3.Wake up the phone

4.Lock the screen

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  1. What does the following code output? public class XYZ extends AsyncTask { @Override protected String doInBackground(String... params) { PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE); final WakeLockwl = pm.newWakeLock(PowerManager.SCREEN_BRIGHT_WAKE_LOCK |PowerManager.ACQUIRE_CAUSES_WAKEUP |PowerManager.ON_AFTER_RELEASE, ""); wl.acquire(); return "Executed"; } @Override protected void onPostExecute(String result) {} }
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