Code Style

I'm aware that code style has to do with with personal 'taste' so I hope you don't mind :)

I'm using android-bootstrap (`gradle-appcompat-wip` branch) in a little project of mine and cleaned up the code a little bit. This is the `back-port`.


I'm trying to use Android Code Style, except that I don't use 'Hungarian Notation'. Which was used in some places and not used in other places.