Lock and unlock phone in android programmatically/ Lock phone using power manager/wave lock in android/Turn screen off in android/Display screen off in android
To turn screen on in android, use the code below
powermanager= ((PowerManager)context.getSystemService(Context.POWER_SERVICE)); wakeLock=powermanager.newWakeLock(PowerManager.SCREEN_BRIGHT_WAKE_LOCK | PowerManager.ACQUIRE_CAUSES_WAKEUP, "tag"); wakeLock.acquire(); |
To lock or to turn off display screen off, use the code below
if(wakeLock.isHeld()) { wakeLock.release(); } |
Also set permission in Android manifest file
<uses-permission android:name="android.permission.WAKE_LOCK"/> |
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