I’m running Android N 
Only issue is window resizing which I’ve resolved. Also saves the state of the screen on rotation. Only problem I’ve got is as below. Not sure how to fix it without putting the text above and below the bar though.
Yep could set the text to be English only. As it’s converting the epoch time to string using the local locale it will go into the users language. Supporting multiple languages is easy and only requires someone to do the hard work of translating the text fields.