Implement ExtraHandler
Implement FragmentArgHandler
Implement SystemServiceHandler
Implement InstanceStateHandler
Implement RestHandler
Implement RestMethodHandler (abstract)
Implement GetHandler
Implement PostHandler
Implement PutHandler
Implement DeleteHandler
Implement HeadHandler
Implement OptionsHandler
Implement AppHandler
Implement OptionsMenuHandler
Implement OptionsMenuItemHandler
Implement OptionsItemHandler
Implement NoTitleHandler
Implement CustomTitleHandler
Implement FullscreenHandler
Implement RestServiceHandler