private void NativeShowPage(AppercodePage page, NavigationMode mode, bool isTabSwitching)
{
this.Title = page.Title;
this.visualRoot.Child = page;
frameLayout.Visibility = ViewStates.Visible;
var transaction = this.FragmentManager.BeginTransaction();
transaction.SetCustomAnimations(Resource.Animation.fadein, Resource.Animation.fadeout, Resource.Animation.fadein, Resource.Animation.fadeout);
transaction.Replace(this.fragmentPageFrameLayoutResourceId, page.NativeFragment);
page.NativeFragment.Create += (s, e) =>
{
if (mode == NavigationMode.New && !isTabSwitching)
{
ChangeActionBarNavigationMode(ActionBarNavigationMode.Standard);
}
else if (mode == NavigationMode.Back && this.backStack.Count == 0)
{
ChangeActionBarNavigationMode(ActionBarNavigationMode.Tabs);
}
UpdateRootLayouts();
};
transaction.Commit();
}
private void NativeShowPage(AppercodePage pageInstance, NavigationMode mode, NavigationType navigationType)
{
if (mode == NavigationMode.New || mode == NavigationMode.Forward)
{
if (navigationType == NavigationType.Modal)
{
// the idea taken at https://github.com/HugeLawn-MiracleApps/Xamarin-Forms-Labs/commit/87a8d5a5c1b9628de222d1d509e46865d255db7b
var topViewController = UIApplication.SharedApplication.KeyWindow.RootViewController;
while (topViewController.PresentedViewController != null)
{
topViewController = topViewController.PresentedViewController;
}
var modalNavigationFrame = new StackNavigationFrame(this, pageInstance.ViewController);
topViewController.PresentViewController(modalNavigationFrame, true, null);
}
else
{
this.PushViewController(pageInstance.ViewController, true);
}
}
else if (mode == NavigationMode.Back)
{
if (navigationType == NavigationType.Modal)
{
this.DismissViewController(true, null);
}
else
{
this.isGoingBack = true;
this.PopToViewController(pageInstance.ViewController, true);
}
}
}
internal void AddPage(AppercodePage appercodePage, object p)
{
appercodePage.InternalOnNavigatedTo(new NavigationEventArgs(appercodePage.GetType(), p));
this.AddLogicalChild(appercodePage);
appercodePage.LayoutUpdated += appercodePage_LayoutUpdated;
(this.ViewPager.Adapter as AppercodeFragmentPageAdapter).Pages.Add(appercodePage);
(this.ViewPager.Adapter as AppercodeFragmentPageAdapter).NotifyDataSetChanged();
}
private void NativeShowPage(AppercodePage page, NavigationMode mode, NavigationType navigationType)
{
this.Title = page.Title;
var transaction = this.FragmentManager.BeginTransaction();
transaction.Replace(this.fragmentPageFrameLayoutResourceId, page.NativeFragment);
transaction.Commit();
}
internal void AddPage(AppercodePage appercodePage, object p)
{
appercodePage.InternalOnNavigatedTo(new NavigationEventArgs(appercodePage.GetType(), p));
this.AddLogicalChild(appercodePage);
appercodePage.LayoutUpdated += appercodePage_LayoutUpdated;
(this.ViewPager.Adapter as AppercodeFragmentPageAdapter).Pages.Add(appercodePage);
(this.ViewPager.Adapter as AppercodeFragmentPageAdapter).NotifyDataSetChanged();
}
internal AppercodePage InstantiatePage(Type sourcePageType)
{
var pageConstructorInfo = sourcePageType.GetConstructor(new Type[] {
});
AppercodePage pageInstance = null;
try
{
pageInstance = (AppercodePage)pageConstructorInfo.Invoke(new object[] {});
}
catch (System.Reflection.TargetInvocationException e)
{
this.IsNavigationInProgress = false;
throw e.InnerException;
}
return(pageInstance);
}
private void NativeShowPage(AppercodePage pageInstance, NavigationMode mode, NavigationType navigationType)
{
if (mode == NavigationMode.New || mode == NavigationMode.Forward)
{
if (navigationType == NavigationType.Modal)
{
var modalNavigationFrame = new StackNavigationFrame(this, pageInstance.ViewController);
this.PresentViewController(modalNavigationFrame, true, null);
}
else
{
this.PushViewController(pageInstance.ViewController, true);
}
}
else if (mode == NavigationMode.Back)
{
if (navigationType == NavigationType.Modal)
{
this.DismissViewController(true, null);
}
else
{
this.isGoingBack = true;
this.PopToViewController(pageInstance.ViewController, true);
}
}
}
private void NativeShowPage(AppercodePage pageInstance, NavigationMode mode, NavigationType navigationType)
{
if (mode == NavigationMode.New || mode == NavigationMode.Forward)
{
if (navigationType == NavigationType.Modal)
{
// the idea taken at https://github.com/HugeLawn-MiracleApps/Xamarin-Forms-Labs/commit/87a8d5a5c1b9628de222d1d509e46865d255db7b
var topViewController = UIApplication.SharedApplication.KeyWindow.RootViewController;
while (topViewController.PresentedViewController != null)
{
topViewController = topViewController.PresentedViewController;
}
var modalNavigationFrame = new StackNavigationFrame(this, pageInstance.ViewController);
topViewController.PresentViewController(modalNavigationFrame, true, null);
}
else
{
this.PushViewController(pageInstance.ViewController, true);
}
}
else if (mode == NavigationMode.Back)
{
if (navigationType == NavigationType.Modal)
{
this.DismissViewController(true, null);
}
else
{
this.isGoingBack = true;
this.PopToViewController(pageInstance.ViewController, true);
}
}
}
private bool Navigate(Type sourcePageType, object parameter, bool isTabSwitching, NavigationType navigationType, AppercodePage tabPage = null)
{
#if __ANDROID__ || WINDOWS_PHONE
if (sourcePageType == null)
{
throw new ArgumentNullException("sourcePageType", "sourcePageType must not be null");
}
if (!sourcePageType.IsSubclassOf(typeof(AppercodePage)) && sourcePageType != typeof(AppercodePage))
{
throw new ArgumentException("sourcePageType must be an AppercodePage", "sourcePageType");
}
if (this.IsNavigationInProgress)
{
return false;
}
this.IsNavigationInProgress = true;
// navigating from with check
NavigatingCancelEventArgs navigatingCancelEventArgs = new NavigatingCancelEventArgs(sourcePageType, NavigationMode.New);
if (this.CurrentPage != null)
{
this.CurrentPage.InternalOnNavigatingFrom(navigatingCancelEventArgs);
if (navigatingCancelEventArgs.Cancel == true)
{
this.IsNavigationInProgress = false;
return false;
}
}
AppercodePage pageInstance;
// navigated from
if (this.CurrentPage != null)
{
this.CurrentPage.InternalOnNavigatedFrom(new NavigationEventArgs(sourcePageType, parameter));
this.backStack.Push(this.CurrentPage);
}
// Create page
if (isTabSwitching && backStack.Any())
{
this.backStack.Clear();
}
if (isTabSwitching && tabPage != null)
{
pageInstance = tabPage;
}
else
{
pageInstance = InstantiatePage(sourcePageType);
}
pageInstance.NavigationService = this.navigationService;
//this.visualRoot.Child = pageInstance;
this.NativeShowPage(pageInstance, NavigationMode.New, isTabSwitching);
// navigated to
pageInstance.InternalOnNavigatedTo(new NavigationEventArgs(sourcePageType, parameter));
this.CurrentPage = pageInstance;
this.IsNavigationInProgress = false;
return true;
#else
if (this.currentTabIndex < 0 || this.currentTabIndex >= this.navigationStacks.Count)
{
return false;
}
return this.navigationStacks[this.currentTabIndex].Navigate(sourcePageType, parameter, navigationType);
#endif
}
private void NativeShowPage(AppercodePage page, NavigationMode mode, bool isTabSwitching)
{
this.Title = page.Title;
this.visualRoot.Child = page;
frameLayout.Visibility = ViewStates.Visible;
Android.App.FragmentTransaction transaction = this.FragmentManager.BeginTransaction();
transaction.SetCustomAnimations(Resource.Animation.fadein, Resource.Animation.fadeout, Resource.Animation.fadein, Resource.Animation.fadeout);
transaction.Replace(this.fragmentPageFrameLayoutResourceId, page.NativeFragment);
page.NativeFragment.Create += (s, e) =>
{
if (mode == NavigationMode.New && !isTabSwitching)
{
ChangeActionBarNavigationMode(ActionBarNavigationMode.Standard);
}
else if (mode == NavigationMode.Back && this.backStack.Count == 0)
{
ChangeActionBarNavigationMode(ActionBarNavigationMode.Tabs);
}
UpdateRootLayouts();
};
transaction.Commit();
}
private void NativeShowPage(AppercodePage page, NavigationMode mode, NavigationType navigationType)
{
this.Title = page.Title;
Android.App.FragmentTransaction transaction = this.FragmentManager.BeginTransaction();
transaction.Replace(this.fragmentPageFrameLayoutResourceId, page.NativeFragment);
transaction.Commit();
}
private bool Navigate(Type sourcePageType, object parameter, bool isTabSwitching, NavigationType navigationType, AppercodePage tabPage = null)
{
#if __ANDROID__ || WINDOWS_PHONE
if (sourcePageType == null)
{
throw new ArgumentNullException("sourcePageType", "sourcePageType must not be null");
}
if (!sourcePageType.IsSubclassOf(typeof(AppercodePage)) && sourcePageType != typeof(AppercodePage))
{
throw new ArgumentException("sourcePageType must be an AppercodePage", "sourcePageType");
}
if (this.IsNavigationInProgress)
{
return(false);
}
this.IsNavigationInProgress = true;
// navigating from with check
NavigatingCancelEventArgs navigatingCancelEventArgs = new NavigatingCancelEventArgs(sourcePageType, NavigationMode.New);
if (this.CurrentPage != null)
{
this.CurrentPage.InternalOnNavigatingFrom(navigatingCancelEventArgs);
if (navigatingCancelEventArgs.Cancel == true)
{
this.IsNavigationInProgress = false;
return(false);
}
}
AppercodePage pageInstance;
// navigated from
if (this.CurrentPage != null)
{
this.CurrentPage.InternalOnNavigatedFrom(new NavigationEventArgs(sourcePageType, parameter));
this.backStack.Push(this.CurrentPage);
}
// Create page
if (isTabSwitching && backStack.Any())
{
this.backStack.Clear();
}
if (isTabSwitching && tabPage != null)
{
pageInstance = tabPage;
}
else
{
pageInstance = InstantiatePage(sourcePageType);
}
pageInstance.NavigationService = this.navigationService;
//this.visualRoot.Child = pageInstance;
this.NativeShowPage(pageInstance, NavigationMode.New, isTabSwitching);
// navigated to
pageInstance.InternalOnNavigatedTo(new NavigationEventArgs(sourcePageType, parameter));
this.CurrentPage = pageInstance;
this.IsNavigationInProgress = false;
return(true);
#else
if (this.currentTabIndex < 0 || this.currentTabIndex >= this.navigationStacks.Count)
{
return(false);
}
return(this.navigationStacks[this.currentTabIndex].Navigate(sourcePageType, parameter, navigationType));
#endif
}
