private void initializeFloatingActionButton ( ) { floatingActionButton = findViewById ( R . id . floating_action_button ) ; if ( Build . VERSION . SDK_INT >= Build . VERSION_CODES . LOLLIPOP ) { floatingActionButton . show ( ) ; floatingActionButton . setOnClickListener ( createFloatingActionButtonListener ( ) ) ; } else { floatingActionButton . hide ( ) ; } }
Initializes the floating action button which allows to show an alert dialog using a circle reveal animation .