Android屏幕點亮(常亮)及屏幕解鎖和鎖定

//保持屏幕常亮
PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
mWakeLock = pm.newWakeLock(PowerManager.FULL_WAKE_LOCK | PowerManager.ACQUIRE_CAUSES_WAKEUP, LOCK_TAG);  
mWakeLock.acquire();

//釋放屏幕常亮鎖
if(null != mWakeLock) {
    mWakeLock.release();

}

**********************************

//屏幕解鎖
KeyguardManager keyguardManager = (KeyguardManager)getSystemService(KEYGUARD_SERVICE);
KeyguardLock keyguardLock = keyguardManager.newKeyguardLock(LOCK_TAG);
keyguardLock.disableKeyguard();

//屏幕鎖定
keyguardLock.reenableKeyguard();

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