Screen Lock + let you lock your phone by home button, notification tile, squeeze and desktop shortcut.
A solution to screen off + screenshot + volume control (fully compatible to devices with fingerprint)

Lock screen preferences:
As of 9 (Pie), you can immediately lock the screen and unlock your phone directly with your fingerprint

8 (Oreo) or below offers different preferences
● Without fingerprints: lock immediately
● Frequently use fingerprints: first soft lock for a few seconds-> lock (can be unlocked directly with fingerprints)

Ways of lock screens to protect your phone's power button:
● Gesture
   1. For 3-button navigation, press and hold the Home button
   2. For gestures navigation, swipe left / bottom right
   3. Squeeze your phone if your phone have a features that open Assistant when squeeze
● Desktop widget, add to home screen and click it
● Quickly setting tile (notification bar toggle), pulled down the status bar and press the tile to lock screen(>=7)

To protect not only your power button but also your volume button, two additional tiles are available at the quick setting(the notification menu)(>=7) namely:
1. Sound+, a sound control menu will pop out
2. SnapShot+, let you save the screenshot of the current screen (>=9)

Use built-in features (accessibility, device management) to lock the screen to provide a zero power consumption, zero memory lock screen solution to your phone

To protect your privacy and data security, this app does not grant any network permissions