Android 点亮屏幕的代码

    private void AcquireWakeLock() {            PowerManager pm = (PowerManager)mApplicationContext.getSystemService(Context.POWER_SERVICE);                        WakeLock m_wakeObj = (WakeLock)pm.newWakeLock(PowerManager.FULL_WAKE_LOCK                       | PowerManager.ACQUIRE_CAUSES_WAKEUP                       | PowerManager.ON_AFTER_RELEASE, "");                        // m_wakeObj.acquire();                        //点亮屏幕15秒钟            m_wakeObj.acquire(1000 * 5);            m_wakeObj.release();//释放资源                    }