Parallel to Android 11, Google is also working on “Columbus” gestures. Tap twice on the back cover of the device and a certain action occurs.
For example, turning on the flashlight, taking a screenshot, calling Google Assistant, etc. Skillful developers managed to port this feature as always.
Now, everyone with Android 7+ and ARM8 can use these gestures:
1 . Download and run Tap, Tap.
2. Click on “Accessibility Service is disabled”.
3. You will be transferred to the accessibility window.
4. Find there “Tap, Tap”.
5. Click and activate.
6. Return to the application.
7. Click on “Gesture”.
8. Click “Device Model”.
9. Choose the device that is closest in size to yours.
For example, for Xiaomi Redmi Note 5, this is Google Pixel 3 XL.
10 . Go to
“Actions”.
11. Set the required actions. The action that stands above all, it will be performed with a double tap.
12. In the “Gates” section, you can specify in which cases the double tap should not work. For example, if you enable “Display Off”, then gestures will not work when the screen is off.
13. Setup is complete, double tap on the back of the device.
How does it work?
Using the accelerometer. This is a mechanism that monitors the physical position. It is used, for example, in racing, where you have to move the phone to turn the car.