public override bool OnOptionsItemSelected(IMenuItem item) { switch (item.ItemId) { case Resource.Id.menu_schedule_datetimepicker: DateTimePickerFragment frag = DateTimePickerFragment.NewInstance(delegate(DateTime time) { viewPager.Adapter = null; adapter = new ScheduleFragmentAdapter(((AppCompatActivity)Activity).SupportFragmentManager, tabLayout.TabCount, time, time.DayOfYear); viewPager.Adapter = adapter; lastDate = time; }, lastDate); frag.Show(Activity.FragmentManager, DateTimePickerFragment.TAG); return(true); default: return(base.OnOptionsItemSelected(item)); } }
public override View OnCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { view = inflater.Inflate(Resource.Layout.fragment_schedule, container, false); HasOptionsMenu = true; tabLayout = view.FindViewById <TabLayout>(Resource.Id.tablayout_schedule); tabLayout.AddTab(tabLayout.NewTab().SetText(GetString(Resource.String.currentweek_tab))); tabLayout.AddTab(tabLayout.NewTab().SetText(GetString(Resource.String.nextweek_tab))); tabLayout.SetForegroundGravity(TabLayout.GravityFill); adapter = new ScheduleFragmentAdapter(((AppCompatActivity)Activity).SupportFragmentManager, tabLayout.TabCount, DateTime.Today); viewPager = view.FindViewById <ViewPager>(Resource.Id.viewpager_schedule); viewPager.Adapter = adapter; viewPager.AddOnPageChangeListener(new TabLayout.TabLayoutOnPageChangeListener(tabLayout)); tabLayout.TabSelected += (object sender, TabLayout.TabSelectedEventArgs e) => { viewPager.CurrentItem = e.Tab.Position; }; return(view); }