Exemple #1
0
		public async Task ImageTapCommandCommand(string imageUrl)
		{
			var tweetCount = Tweets.Count;

			ImageTapCommand.ChangeCanExecute();

			SelectedPosition = TweetsWithImages.Select(x => x.ImageUrl).ToList().IndexOf(imageUrl);

			var tweetDetailPage = new TweetImageDetailPage() { BindingContext = this };
			var tweetDetailNavPage = new NavigationPage(tweetDetailPage) { BarBackgroundColor = Color.Black };
			var backToolBarItem = new ToolbarItem("Back", null, async () => { await PopModalAsync(); });
			tweetDetailNavPage.ToolbarItems.Add(backToolBarItem);
			await PushModalAsync(tweetDetailNavPage);

			ImageTapCommand.ChangeCanExecute();
		}
Exemple #2
0
        public Main()
        {
            InitializeComponent();

            // Disables the swiping between tabs functionality in Android. Necessary because the Schedule tab's content is swipable as well.
            On <Xamarin.Forms.PlatformConfiguration.Android>().SetIsSwipePagingEnabled(false);

            #region Setup the Schedule tab's page
            var scheduleNavPage = new NavigationPage(new ScheduleMaster()
            {
                BindingContext = new ScheduleMasterViewModel()
            })
            {
                Title = "Schedule"
            };
            var lyftToolBarItem = new ToolbarItem("Lyft", "LyftToolbar", () => {
                DependencyService.Get <ILyftService>().OpenLyft();
            });
            var uberToolBarItem = new ToolbarItem("Uber", "UberToolbar", () => {
                DependencyService.Get <IUberService>().OpenUber();
            });
            scheduleNavPage.ToolbarItems.Add(lyftToolBarItem);
            scheduleNavPage.ToolbarItems.Add(uberToolBarItem);
            if (Device.RuntimePlatform == "iOS")
            {
                scheduleNavPage.Icon = "Calendar";
            }
            #endregion


            #region Setup the Tweets tab's page
            var tweetsViewModel = new TweetsViewModel();
            var tweetsPage      = new Tweets()
            {
                BindingContext = tweetsViewModel
            };
            NavigationPage tweetsNavPage = new NavigationPage(tweetsPage)
            {
                Title = "Tweets"
            };
            var photosToolBarItem = new ToolbarItem("Photos", "PhotosToolbar", async() => {
                if (tweetsViewModel.Tweets.Count(x => x.HasImage) < 1)
                {
                    await App.DisplayNoPhotosAlert(this);
                }
                else
                {
                    tweetsViewModel.SelectedPosition = 0;
                    var tweetDetailPage = new TweetImageDetailPage()
                    {
                        BindingContext = tweetsViewModel
                    };
                    var tweetDetailNavPage = new NavigationPage(tweetDetailPage)
                    {
                        BarBackgroundColor = Color.Black
                    };
                    var backToolBarItem = new ToolbarItem("Back", null, async() => { await Navigation.PopModalAsync(); });
                    tweetDetailNavPage.ToolbarItems.Add(backToolBarItem);
                    await Navigation.PushModalAsync(tweetDetailNavPage);
                }
            });
            tweetsNavPage.ToolbarItems.Add(photosToolBarItem);
            if (Device.RuntimePlatform == "iOS")
            {
                tweetsNavPage.Icon = "Twitter";
            }
            #endregion

            #region Setup the More tab's page
            var moreNavPage = new NavigationPage(new MoreMaster())
            {
                Title = "More"
            };
            if (Device.RuntimePlatform == "iOS")
            {
                moreNavPage.Icon = "More";
            }
            #endregion

            // add each tab
            Children.Add(scheduleNavPage);
            Children.Add(tweetsNavPage);
            Children.Add(moreNavPage);
        }