public void ShowRoot()
{
if (!(GetCurrentViewModel() is HomeViewModel))
{
MasterNavigationController.PopToRootViewController(false);
}
}
public override void Show(MvxViewModelRequest request)
{
if (request.PresentationValues != null)
{
var viewCreator = GetViewCreator();
// More info at:
// - http://gregshackles.com/presenters-in-mvvmcross-using-presentation-values/
// - https://gist.github.com/gshackles/5735595
if (request.PresentationValues.ContainsKey(PresentationBundleFlagKeys.CLEAR_STACK))
{
var nextViewController = (UIViewController)viewCreator.CreateView(request);
if (MasterNavigationController.TopViewController.GetType() != nextViewController.GetType())
{
MasterNavigationController.PopToRootViewController(false);
MasterNavigationController.PushViewController(nextViewController, false);
}
return;
}
else if (request.PresentationValues.ContainsKey(PresentationBundleFlagKeys.MAKE_IT_THE_FIRST_ONE))
{
MasterNavigationController.SetViewControllers(new UIViewController[] { }, false);
}
else if (request.PresentationValues.ContainsKey(PresentationBundleFlagKeys.BACK_OR_IN_PLACE))
{
var nextViewController = (UIViewController)viewCreator.CreateView(request);
var existingViewController =
MasterNavigationController.ViewControllers.FirstOrDefault(
vc => vc.GetType() == nextViewController.GetType() && vc != CurrentTopViewController);
if (existingViewController != null)
{
MasterNavigationController.PopToViewController(existingViewController, true);
}
else
{
var transition = new CATransition
{
Duration = 0.3,
Type = CAAnimation.TransitionPush,
Subtype = CAAnimation.TransitionFade
};
MasterNavigationController.PopViewController(false);
MasterNavigationController.View.Layer.AddAnimation(transition, null);
MasterNavigationController.PushViewController(nextViewController, false);
}
return;
}
}
base.Show(request);
}
private void clearStackAndNavigate(MvxViewModelRequest request)
{
var nextViewController = (UIViewController)ViewCreator.CreateView(request);
if (MasterNavigationController.TopViewController.GetType() != nextViewController.GetType())
{
MasterNavigationController.PopToRootViewController(false);
MasterNavigationController.ViewControllers = new UIViewController[] { nextViewController };
}
}
public override void Show(MvxViewModelRequest request)
{
if (request.PresentationValues != null)
{
if (request.PresentationValues.ContainsKey(PresentationBundleFlagKeys.ClearStack))
{
foreach (var vc in MasterNavigationController.ViewControllers)
{
vc.DismissViewController(true, null);
}
var nextViewController = this.CreateViewControllerFor(request) as UIViewController;
if (MasterNavigationController.TopViewController.GetType() != nextViewController.GetType())
{
MasterNavigationController.PopToRootViewController(false);
MasterNavigationController.PushViewController(nextViewController, false);
}
return;
}
if (request.PresentationValues.ContainsKey(PresentationBundleFlagKeys.NoAnimation))
{
var nextViewController = this.CreateViewControllerFor(request) as UIViewController;
MasterNavigationController.PushViewController(nextViewController, false);
return;
}
if (request.PresentationValues.ContainsKey(PresentationBundleFlagKeys.TransitionLeftToRight))
{
var nextViewController = this.CreateViewControllerFor(request) as UIViewController;
MasterNavigationController.PushControllerWithTransition(nextViewController, UIViewAnimationOptions.TransitionCurlDown);
return;
}
}
base.Show(request);
}
public override void Show(MvxViewModelRequest request)
{
if (request.PresentationValues != null)
{
if (request.PresentationValues.ContainsKey(PresentationBundleFlagKeys.ParkingReserved))
{
var vc = MasterNavigationController.TopViewController;
while (!(vc is ParkingReservedView))
{
ReleaseTimerIfNeeded(vc);
MasterNavigationController.PopViewController(false);
//vc.Dispose();
vc = MasterNavigationController.TopViewController;
}
return;
}
else if (request.PresentationValues.ContainsKey(PresentationBundleFlagKeys.Menu))
{
var vc = MasterNavigationController.TopViewController;
while (!(vc is MenuView))
{
Console.WriteLine(vc);
ReleaseTimerIfNeeded(vc);
if (vc is ParkingSearchView)
{
MasterNavigationController.PopViewController(true);
return;
}
else
{
MasterNavigationController.PopViewController(false);
}
//vc.Dispose();
vc = MasterNavigationController.TopViewController;
}
return;
}
else if (request.PresentationValues.ContainsKey(PresentationBundleFlagKeys.Search))
{
var vc = MasterNavigationController.TopViewController;
while (!(vc is ParkingSearchView))
{
ReleaseTimerIfNeeded(vc);
MasterNavigationController.PopViewController(false);
//vc.Dispose();
vc = MasterNavigationController.TopViewController;
}
return;
}
else if (request.PresentationValues.ContainsKey(PresentationBundleFlagKeys.ParkingList))
{
var vc = MasterNavigationController.TopViewController;
while (!(vc is ParkingListsView) && !(vc is MyReservationsView))
{
ReleaseTimerIfNeeded(vc);
MasterNavigationController.PopViewController(false);
//vc.Dispose();
vc = MasterNavigationController.TopViewController;
}
return;
}
else if (request.PresentationValues.ContainsKey(PresentationBundleFlagKeys.ClearStack))
{
MasterNavigationController.PopToRootViewController(false);
}
}
//prevent reshowing the current view controller (e.g 10 minutes before leaving )
if (MasterNavigationController != null && MasterNavigationController.TopViewController != null)
{
var topvc = MasterNavigationController.TopViewController;
if (topvc != null && topvc is MvxViewController && request.ViewModelType == (topvc as MvxViewController).ViewModel.GetType())
{
return;
}
}
base.Show(request);
}
public override void Show(MvvmCross.Core.ViewModels.MvxViewModelRequest request)
{
if (request.PresentationValues != null)
{
#region ClearStack
if (request.PresentationValues.ContainsKey(PresentationBundleFlagKeys.ClearStack))
{
MasterNavigationController.PopToRootViewController(false);
var nextViewController = (UIViewController)ViewCreator.CreateView(request);
MasterNavigationController.PushViewController(nextViewController, true);
return;
}
#endregion
#region ShowBack
if (request.PresentationValues.ContainsKey(PresentationBundleFlagKeys.ShowBack))
{
var nextViewController = (UIViewController)ViewCreator.CreateView(request);
var currentViewController = MasterNavigationController.TopViewController;
bool animated = false;
while (!animated && currentViewController != null && currentViewController.GetType() != nextViewController.GetType())
{
if (MasterNavigationController.ViewControllers.Length > 1)
{
var backViewController = MasterNavigationController.ViewControllers[MasterNavigationController.ViewControllers.Length - 2];
if (backViewController.GetType() == nextViewController.GetType())
{
animated = true;
}
}
else
{
break;
}
MasterNavigationController.PopViewController(animated);
if (animated)
{
MemoryUtils.DelayReleaseObject(2000, currentViewController);
}
else
{
MemoryUtils.ReleaseObject(currentViewController);
}
currentViewController = MasterNavigationController.TopViewController;
}
if (MasterNavigationController.ViewControllers.Length <= 1)
{
MasterNavigationController.PushViewController(nextViewController, true);
}
return;
}
#endregion
#region CloseCurrentAndShow
if (request.PresentationValues.ContainsKey(PresentationBundleFlagKeys.CloseCurrentAndShow))
{
// let make a async task to remove current from history to not make UI flash
System.Threading.Tasks.Task.Run(async() =>
{
await System.Threading.Tasks.Task.Delay(1000);
if (closeViewController == null)
{
return;
}
MasterNavigationController.InvokeOnMainThread(async() =>
{
//wait for until top view controller is showed
while (closeViewController != MasterNavigationController.TopViewController)
{
await System.Threading.Tasks.Task.Delay(100);
}
int countVc = MasterNavigationController.ViewControllers.Length;
if (countVc > 1)
{
UIViewController releaseViewController = MasterNavigationController.ViewControllers[countVc - 2];
UIViewController[] newHistory = new UIViewController[countVc - 1];
for (int i = 0; i < countVc - 2; i++)
{
newHistory[i] = MasterNavigationController.ViewControllers[i];
}
newHistory[countVc - 2] = MasterNavigationController.ViewControllers[countVc - 1];
MasterNavigationController.ViewControllers = newHistory;
MemoryUtils.ReleaseObject(releaseViewController);
}
closeViewController = null;
});
});
}
#endregion
}
base.Show(request);
}
