Preferences layout and fragment layout.
Scan fragment layout.
Preferences string variables.
Now using AppCompat.Light.NoActionBar as default base theme.
Fixed colors.
Deleted file and moved to layout folder.
Default fragment for scan "activity".
Allowed status bar color and navigation bar color in MainActivity.
using ActionBarActivity to load a fragment containing preferences in
order to use AppCompat based theme.
Settings fragment. Now can go back by pressing the arrow toggle button.
Removed useless line endings.
Added more string variables.
Finished Indigo theme colors.
Finished style.
Updated settings.