Android Learning note _74_ can be broadcast to notify the callback function to trigger

1, such as login. If the following method is outside the call, then how to execute the login operation in Loginactivity, after the successful callback listener interface? If it is a normal class, you can pass the listener class object through the constructor function. However, it is not possible to pass listeners in activity, so consider using broadcast.

 Public voidLoginFinalLoginonclicklistener Listener) {Intent Intent=NewIntent (context, loginactivity.class);        Intent.setflags (Intent.flag_activity_new_task); Broadcastreceiver Mreceiver=NewBroadcastreceiver () { Public voidOnReceive (Context context, Intent Intent) {Listener.handlelogin (true, "receiver. Broadcastreceiver. ");        }        }; Intentfilter Intentfilter=NewIntentfilter ("Android.intent.action.MAIN");        Context.registerreceiver (Mreceiver, Intentfilter); Context.startactivity (intent);}

2. After successful login in the Loginactivity class, send a broadcast notification to log in successfully.

New Intent ("Android.intent.action.MAIN");   Sendbroadcast (intent);

Reference: http://buddie.iteye.com/blog/977352