Function:
  Turn off and lock the screen for your beloved phone.
  Because this function already exists on your phone, it is the power button (power). But because pressing too much, it will quickly become greasy. So we write this application to help users reduce the burden on the power button (Power).

This app uses the permissions
- Device Administrator permission.
To uninstall Lock Screen app:
1. Go to phone's settings > Security > Device administrators > Uncheck Screen Off and Lock.
2. Go to phone's Settings > Apps > Lock Screen > Tap uninstall.
- AccessibilityServices API: For supported phones fingerprint, to turn off and
lock the screen and screen unlock operations with fingerprints on your
phone device.
To off AccessibilityServices: Go to phone's Settings > Accessibility >
Downloaded apps/Installed services > Screen Off and Lock > Switch off