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();
}
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);
}