These were useful during development:
https://developer.android.com/training/testing/ui-testing/espresso-testing.html http://stackoverflow.com/questions/21417954/espresso-thread-sleep https://developer.android.com/guide/topics/manifest/uses-sdk-element.html http://stackoverflow.com/questions/4414389/android-xml-percent-symbol https://code.tutsplus.com/tutorials/android-sdk-quick-tip-formatting-resource-strings--mobile-1775 http://stackoverflow.com/questions/29378552/in-espresso-how-to-choose-one-the-view-who-have-same-id-to-avoid-ambiguousviewm http://stackoverflow.com/questions/27362971/android-material-design-datepicker-with-appcompat http://stackoverflow.com/questions/32593206/min-max-date-datetime-in-jodatime http://stackoverflow.com/questions/10836679/android-datepicker-min-max-date-before-api-level-11 http://stackoverflow.com/questions/703396/how-to-nicely-format-floating-numbers-to-string-without-unnecessary-decimal-0 http://stackoverflow.com/questions/3606530/listview-scroll-to-the-end-of-the-list-after-updating-the-list https://android-developers.googleblog.com/2009/04/updating-applications-for-on-screen.html http://stackoverflow.com/questions/8543449/how-to-use-the-textwatcher-class-in-android https://medium.com/@nurrohman/a-simple-android-apps-with-mvp-dagger-rxjava-and-retrofit-4edb214a66d7 https://guides.codepath.com/android/Using-a-BaseAdapter-with-ListView http://stackoverflow.com/questions/13720746/cant-see-a-button-under-a-listview-in-my-layout