How to unlock the screen and unlock the screen when android lights up the mobile phone

Light up mobile phone screen
1. Add the permission <uses-permission android: name = "android. permission. WAKE_LOCK"> </uses-permission>
[Html]
PowerManager pm = (PowerManager) getSystemService (POWER_SERVICE );
PowerManager. WakeLock mWakelock = pm. newWakeLock (PowerManager. ACQUIRE_CAUSES_WAKEUP | PowerManager. FULL_WAKE_LOCK, "WakeLock ");
MWakelock. acquire (); // wake up the screen
//......
MWakelock. release (); // release

Screen unlock
1. Add the permission <uses-permission android: name = "android. permission. DISABLE_KEYGUARD"> </uses-permission>
[Html]
// Obtain a key lock object
KeyguardManager mManager = (KeyguardManager) getSystemService (KEYGUARD_SERVICE );
KeyguardLock mKeyguardLock = mManager. newKeyguardLock ("Lock ");
// Invalidate the keyboard lock
MKeyguardLock. disableKeyguard ();