Navigation Bar for Android

May 20, 2020

- Fix bug navigation bar lost when full screen.
- No need to activate Device Admin to use action "Lock Screen" in Android 9.0+
- Long press action "Take screenshot" uses system capture screenshot in Android 9.0+
- Reduce memory usage and performance improvement.
- Prevent app to be killed by system in some devices.
- Fix wrong back button position in last update in some devices.