Knockr gives you quick access to your favorite apps with Gestures or Knocks (Knock Code) from anywhere.The lock screen feature of Knockr is designed for all devices and will listen for Gestures or Knocks. Lock screen utilizes the palette class to pull colors from your background and apply them to the camera button and the nav bar (Lollipop only). On Android Lollipop devices you can control media right from the lock screen
The lock screen will also take on the colors of the Album artwork.To launch apps with Knockr’ Gestures or Knocks from anywhere you can use Knockr Everywhere. Tapping on the small Knockr button will launch the Gesture/Knock listener. Long pressing or double tapping the Knockr button will lock the screen.Knockr on OLED devices can mimic the screen being turned off