ScreenOn Notification

Turns on the screen when you receive a notification, so you can read it on the lock screen without having to press the power button on the device.

You also can make the app turn screen on repeatedly while you have an active notification.

Widget to turn screen off, without the need to press that power button.

Also works with Samsung devices. On Samsung devices to customize the notification style just click and hold on the lock screen to set the style as Android default. That way you can see the full notification without the need to click on the app notification icon.

Just open the app, activate the service, give the notifications access permission, and then select the apps you want the screen to turn on when you receive a notification.

It also allows to enable the camera flash on notifications

This app uses the Device Administrator permission (BIND_DEVICE_ADMIN):

This permission is required because on some devices when the screen is locked it may not be possible to turn the screen on or off after the set timeout time.