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//判断是否锁屏
KeyguardManager mKeyguardManager = (KeyguardManager) getSystemService(KEYGUARD_SERVICE);
boolean isLock = (mKeyguardManager.inKeyguardRestrictedInputMode();
if (isLock) {
//锁屏
} else {
//不锁屏
}
//如果为true，则表示屏幕“亮”了，否则屏幕“暗”了
PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
boolean isLight = pm.isScreenOn();
if (isLight) {
//亮
} else {
//暗
}
//强制亮屏
private PowerManager.WakeLock mWakelock;
mWakelock = pm.newWakeLock(PowerManager.ACQUIRE_CAUSES_WAKEUP |
PowerManager.SCREEN_DIM_WAKE_LOCK, "target");
mWakelock.acquire();
//强制亮屏
// mWakelock.release();
释放控制
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