This pro version is only for supporting my work. No extra Features!
This app is only for supporting my work with the battery warner. It has no extra Features!
You can find the free version right here: https://play.google.com/store/apps/details?id=com.laudien.p1xelfehler.batterywarner
This library helped me with the intro: https://android-arsenal.com/details/1/4368
Here you can find the library for the graph (GraphView): http://www.android-graphview.org/
You can find the sources right here: https://github.com/P1xelfehler/BatteryWarner