android 點亮手機螢幕與螢幕解鎖方法

點亮手機螢幕
1.記得加許可權<uses-permission android:name="android.permission.WAKE_LOCK"></uses-permission>
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PowerManager pm = (PowerManager)getSystemService(POWER_SERVICE); 
PowerManager.WakeLock mWakelock = pm.newWakeLock(PowerManager.ACQUIRE_CAUSES_WAKEUP |PowerManager.FULL_WAKE_LOCK, "WakeLock"); 
mWakelock.acquire();//喚醒螢幕 
//...... 
mWakelock.release();//釋放 

螢幕解鎖
1.記得加許可權<uses-permission android:name="android.permission.DISABLE_KEYGUARD"></uses-permission>
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//擷取一個鍵盤鎖對象 
KeyguardManager mManager = (KeyguardManager)getSystemService(KEYGUARD_SERVICE); 
KeyguardLock mKeyguardLock = mManager.newKeyguardLock("Lock"); 
//讓鍵盤鎖失效 
mKeyguardLock.disableKeyguard();