在程序开发时,有时候需要屏幕保持点亮/常亮及解锁状态。比方说,闹钟响起时需要点亮和解锁屏幕或者实现一个一键实现屏幕锁屏(锁定)效果。具体代码如下: 1、Android屏幕常亮/点亮 //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(); //释放屏幕常亮锁 if(null != mWakeLock) { mWakeLock.release(); } 2、Android屏幕解锁和锁定 //屏幕解锁 KeyguardManager keyguardManager = (KeyguardManager)getSystemService(KEYGUARD_SERVICE); KeyguardLock keyguardLock = keyguardManager.newKeyguardLock(LOCK_TAG); keyguardLock.disableKeyguard(); //屏幕锁定 keyguardLock.reenableKeyguard(); 3、相关权限 <uses-permission android:name="android.permission.DISABLE_KEYGUARD" /> <uses-permission android:name="android.permission.WAKE_LOCK" /> |
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