public void OnClick(View v) { switch (v.Id) { case Resource.Id.btn_bind_phone: // 打开注册页面 RegisterPage registerPage = new RegisterPage(); registerPage.SetRegisterCallback(new RegisterPageEventHander()); registerPage.Show(this); break; case Resource.Id.rl_contact: tvNum.Visibility = ViewStates.Gone; // 打开通信录好友列表页面 ContactsPage contactsPage = new ContactsPage(); contactsPage.Show(this); break; } }