c522-motion-redo-undo

Implementing Undo/Redo on a textview with Accelerometer and Gyroscope.

System Requirements

• Android Studio 3.6+ (On Mac, Windows or Linux)
• An Android Phone running Android 6.0+ with USB Debugging enabled or an Android Virtual Device with Android 6.0+. (Use the extended control options to simulate tilt or shake).

How to Run

• Download the zip or clone the git repo. Link
• Open the project in Android Studio.
• Connect an Android Phone, enable USB debugging and Run the project on the application.
• Alternatively, create a AVD with Android SDK 6.0+ and run the project.

Instructions

• Tilt the phone to the left to undo a text input operation.
• Tilt the phone to the right to redo a text input operation.
• Shake the phone vigoriously to clear all the text from the text input.
• After every operation recenter your device. The progress bar will provide a visual cue of your current roll/tilt of the device.

Demo

References

• Code for Undo/Redo. Google Issues, Source Code
• Library for Shake implementation. Square/Seismic
• Android developer tutorial for Sensor-based Orientation. Link
• Spalshscreen Icons used from flaticon.com Link