How to take a screenshot of other app programmatically without root permission, like Screenshot UX Trial?

Question

How to take a screenshot of other app programmatically without root permission, like Screenshot UX Trial?

1. I know I can capture the bitmap of the root view i

Answer 1

Maybe the android-screenshot-library can help. But well in their Usage page it says that it needs a native service started with adb (from the android sdk).

PS: Remember that Screenshot UX does not work for every unrooted phone.