Android PowerManger

powerManager

화면꺼짐, 잠김 확인코드
PowerManager.usUbteractive()

//스크린이 켜져있나?
private boolean isScreenOn(){
    PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
    return pm.isInteractive();
}

//기기가 잠겨있나?
private boolean checkDeviceLock(){
    KeyguardManager myKM = (KeyguardManager) getSystemService(Context.KEYGUARD_SERVICE);
    return myKM.inKeyguardRestrictedInputMode();
}