Android's way of keeping the screen illuminated steady wake State _android

The example in this article describes how Android keeps the screen illuminated steady wake state. Share to everyone for your reference, specific as follows:

First step: Add Permissions First:

Copy Code code as follows:

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

Step Two: Code implementation is as follows:

public class Screenactivity extends activity 
{ 
  PowerManager powermanager = null; 
  Wakelock wakelock = null; 
  @Override 
  protected void onCreate (Bundle savedinstancestate) { 
   super.oncreate (savedinstancestate); 
   This.setcontentview (r.layout.main); 
   PowerManager = (PowerManager) This.getsystemservice (this. Power_service); 
   Wakelock = This.powerManager.newWakeLock (Powermanager.full_wake_lock, "my LOCK"); 
  } 
  @Override 
  protected void Onresume () { 
   super.onresume (); 
   Wakelock.acquire (); 
  } 
  @Override 
  protected void OnPause () { 
   super.onpause (); 
   Wakelock.release (); 
  } 

Finally, calling the Wakelock function at different lifecycles can make the system work (if the activity ends without calling wakelock.release, the screen will always illuminated steady).

I hope this article will help you with the Android program.