Android lights up the screen or screen unlocks and locks and other related permissions implementation code

1. The Android screen is always on/lit

Copy the codeThe code is as follows:

 
//Keep the screen on
PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE); 
mWakeLock = (PowerManager.FULL_WAKE_LOCK | PowerManager.ACQUIRE_CAUSES_WAKEUP, LOCK_TAG); 
(); 

Copy the codeThe code is as follows:

 
//Release the screen to always turn on the lock
if(null != mWakeLock) { 
&nbsp; &nbsp; (); 
} 

2. Android screen unlocking and locking

Copy the codeThe code is as follows:

 
//Screen unlock
KeyguardManager keyguardManager = (KeyguardManager)getSystemService(KEYGUARD_SERVICE); 
KeyguardLock keyguardLock = (LOCK_TAG); 
(); 
//Screen lock
(); 

3. Related permissions

Copy the codeThe code is as follows:

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