protected override async void OnNavigatedTo(NavigationEventArgs e)
{
base.OnNavigatedTo(e);
if (ApiInformation.IsTypePresent("Windows.Phone.UI.Input.HardwareButtons"))
{
HardwareButtons.BackPressed += HardwareButtons_BackPressed;
}
var previousPage = FrameExtensions.GetPreviousPage(Frame);
if (previousPage != null)
{
previousPage._isLeaving = true;
var previousPageHost = PreviousPageHost;
if (previousPageHost != null)
{
previousPageHost.Content = previousPage;
await previousPage.WaitForLoadedAsync();
await previousPage.PlayLeaveAnimationAsync(e.NavigationMode);
previousPageHost.Content = null;
}
FrameExtensions.SetPreviousPage(Frame, null);
previousPage._isLeaving = false;
}
}
protected override async void OnNavigatedTo(NavigationEventArgs e)
{
base.OnNavigatedTo(e);
if (ApiInformation.IsTypePresent("Windows.Phone.UI.Input.HardwareButtons"))
{
HardwareButtons.BackPressed += HardwareButtons_BackPressed;
}
SetTitleBar(TitleBar);
var previousPage = FrameExtensions.GetPreviousPage(Frame);
if (previousPage != null)
{
previousPage._isLeaving = true;
PreviousPageContainer.Content = previousPage;
await previousPage.WaitForLoadedAsync();
var leaveStoryboard = previousPage.GetLeaveStoryboard(e.NavigationMode);
if (leaveStoryboard != null)
{
await leaveStoryboard.BeginAsync();
}
PreviousPageContainer.Content = null;
FrameExtensions.SetPreviousPage(Frame, null);
previousPage._isLeaving = false;
}
}
protected override void OnNavigatedFrom(NavigationEventArgs e)
{
base.OnNavigatedFrom(e);
if (ApiInformation.IsTypePresent("Windows.Phone.UI.Input.HardwareButtons"))
{
HardwareButtons.BackPressed -= HardwareButtons_BackPressed;
}
FrameExtensions.SetPreviousPage(Frame, this);
}
