public static NavigationPage FetchMainUI ()
{
var momentsPage = new MomentsPage ();
var cameraPage = new CameraPage ();
var friendsPage = new FriendsPage ();
var profilePage = new ProfilePage ();
var carouselPage = new CarouselPage {
Children = {
momentsPage,
cameraPage,
friendsPage,
profilePage
},
CurrentPage = momentsPage
};
var navigationPage = new NavigationPage (carouselPage) {
BarBackgroundColor = Colors.NavigationBarColor,
BarTextColor = Colors.NavigationBarTextColor
};
if (Device.OS != TargetPlatform.Android) {
NavigationPage.SetHasNavigationBar (carouselPage, false);
carouselPage.CurrentPage = cameraPage;
} else {
carouselPage.Title = "Friends";
carouselPage.CurrentPage = friendsPage;
}
carouselPage.PropertyChanged += (object sender, PropertyChangedEventArgs e) => {
if (e.PropertyName == "CurrentPage") {
var currentPageType = carouselPage.CurrentPage.GetType ();
if (currentPageType == typeof (MomentsPage)) {
NavigationPage.SetHasNavigationBar (carouselPage, true);
carouselPage.Title = "Moments";
} else if (currentPageType == typeof (CameraPage)) {
NavigationPage.SetHasNavigationBar (carouselPage, false);
carouselPage.Title = "Camera";
} else if (currentPageType == typeof (ProfilePage)) {
NavigationPage.SetHasNavigationBar (carouselPage, true);
carouselPage.Title = "Profile";
} else {
NavigationPage.SetHasNavigationBar (carouselPage, true);
carouselPage.Title = "Friends";
}
}
};
carouselPage.CurrentPageChanged += (object sender, EventArgs e) => {
var currentPage = carouselPage.CurrentPage as BasePage;
if (carouselPage.CurrentPage.GetType () == typeof (FriendsPage) && Device.OS == TargetPlatform.iOS) {
currentPage.LeftToolbarItems.Add (new ToolbarItem {
Icon = "FriendRequestsButton.png",
Command = new Command (() => currentPage.Navigation.PushModalAsync (new NavigationPage (new FriendRequestsPage ()) {
BarBackgroundColor = Colors.NavigationBarColor,
BarTextColor = Colors.NavigationBarTextColor
}, true)),
Priority = 1
});
} else {
currentPage.LeftToolbarItems.Clear ();
}
};
return navigationPage;
}
