Application of the optimized Actionbar component of the Registration Interface (ii) event handling for Actionbar components

Development steps:

• Override a method in the parent class onoptionsitemselected implement options in Actionbar click events

1 //Register_activity.java2 3  Public classRegister_activityextendsappcompatactivity {4     ......5 @Override6      Public Booleanonoptionsitemselected (MenuItem item) {7         //judging the system back to the item8         Switch(Item.getitemid ()) {9              CaseR.id.ab_return:Ten  OneIntent Intent =NewIntent (); AIntent.setclass (register_activity. This, Loginactivity.class); - startactivity (intent); -Finish ();//notifies the system to purge the interface from the in-memory stack the                  Break; -             default: -                  Break; -         } +         return true; -     } +}

Run:

Application of the optimized Actionbar component of the Registration Interface (ii) event handling for Actionbar components