Knock Lock Screen App

Knock Screen Lock app is created to extend the life of hardware power button by using the feature within the app. Support for both Admin lock and Smart lock system. Easy to Screen off and lock the device depending on your selected preferences.

This app uses the Device administrator permission. Necessary for the app to lock with Admin lock. Read write system settings permission to enable Smart lock system if needed.

This app uses Accessibility service. It is optional for only Android 9 and above. Used only for taking advantage of internal Screen Lock option to overcome the delay in Smart lock system.

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