Screen Lock (AssistiveTouch)(AdFree) for Android

The free version has exceeded 1,900,000 downloads

Features in the paid version Only:

- AdFree

- More lightweight and good performance

Just one touch to turn off and lock the screen.

Frequent use to turn the screen on/off can easily damage the phone's hardware power button. We provide software buttons to replace it and extend its useful life.

You can set the buttons to display in different locations:

- Display on home screen

- Display in the notification panel

- (floating button) Floating on other apps

Features for all buttons:

- Built-in lots of free icons or your custom icons

- Vibration/sound/animation of the locking process

- Fix can't unlock the screen with biometric authentication (fingerprint/iris/face)

- Show "Quick Menu" to quickly access to your favorite apps, games, settings

Features of the floating button:

- Adjust button size/opacity

- Display weather information

- Support for narrow-bar (home-bar) style icon

- Single tap/double tap/swipe the button to trigger the actions:

RAM cleaner (speed booster)/Flashlight/Screen capture

APP shortcuts

Home key/Back key/Recent apps/Last app

System settings/Notification panel/Power menu

- Automatically show/hide when the screen is in the fullscreen mode or the selected application is displayed

Advanced features:

- Wave your hand over the proximity sensor (near the front camera) to wake up the screen

- Long-press the Home button to lock the screen or do the actions (Android 7.0+)

FAQ:

- https://simistudio.net/screenlock/faq.html

Permissions required:

- After enabling the permission of Device Administrator to lock the screen, you must uninstall the application from the "Uninstall app" option in the Screen Lock Settings.

- This application requires Accessibility Services to support the following features.

Turn off or lock the screen

Home key/Back key/Recent apps/Last app

Make the floating button automatically show/hide