Ignore android studio project files.

Signed-off-by: Mariusz Fik <fisiu@opensuse.org>
Build against android 4.4 (api-19).

Signed-off-by: Mariusz Fik <fisiu@opensuse.org>
Allow to esily find out android version.

Signed-off-by: Mariusz Fik <fisiu@opensuse.org>
Add contacts adapter with content loader.

Signed-off-by: Mariusz Fik <fisiu@opensuse.org>