private void InvokeFragmentTransaction(FragmentInfo fragmentInfo)
{
if (fragmentInfo.FragmentInstance == _currentFragment)
{
return;
}
var fragmentTransaction = CurrentFragmentManager.BeginTransaction();
var fragment = fragmentInfo.FragmentInstance;
fragment.ViewModel = fragmentInfo.ViewModelInstance;
if (CurrentFragmentManager.FindFragmentByTag(fragmentInfo.JavaFragmentName) != null)
{
fragmentTransaction.Show(CurrentFragmentManager.FindFragmentByTag(
fragmentInfo.JavaFragmentName));
}
else
{
fragmentTransaction.Add(fragmentInfo.FragmentContentId,
(Fragment)fragment, fragmentInfo.JavaFragmentName);
}
fragmentTransaction.Commit();
fragmentTransaction = CurrentFragmentManager.BeginTransaction();
if (_currentFragment != null)
{
fragmentTransaction.Hide(_currentFragment);
}
fragmentTransaction.Commit();
_currentFragment = (Fragment)fragment;
fragmentInfo.ViewModelInstance.ViewAppearing();
}
protected virtual void ShowDialogFragment(
Type view,
MvxDialogFragmentPresentationAttribute attribute,
MvxViewModelRequest request)
{
var fragmentName = FragmentJavaName(attribute.ViewType);
IMvxFragmentView mvxFragmentView = CreateFragment(attribute, fragmentName);
var dialog = (DialogFragment)mvxFragmentView;
// MvxNavigationService provides an already instantiated ViewModel here,
// therefore just assign it
if (request is MvxViewModelInstanceRequest instanceRequest)
{
mvxFragmentView.ViewModel = instanceRequest.ViewModelInstance;
}
else
{
mvxFragmentView.LoadViewModelFrom(request, null);
}
dialog.Cancelable = attribute.Cancelable;
Dialogs.Add(mvxFragmentView.ViewModel, dialog);
var ft = CurrentFragmentManager.BeginTransaction();
OnBeforeFragmentChanging(ft, attribute);
if (attribute.AddToBackStack == true)
{
ft.AddToBackStack(fragmentName);
}
dialog.Show(ft, fragmentName);
}
protected virtual void ShowDialogFragment(
Type view,
MvxDialogFragmentPresentationAttribute attribute,
MvxViewModelRequest request)
{
var fragmentName = FragmentJavaName(attribute.ViewType);
var dialog = (DialogFragment)CreateFragment(attribute, fragmentName);
var mvxFragmentView = (IMvxFragmentView)dialog;
// MvxNavigationService provides an already instantiated ViewModel here,
// therefore just assign it
if (request is MvxViewModelInstanceRequest instanceRequest)
{
mvxFragmentView.ViewModel = instanceRequest.ViewModelInstance;
}
else
{
mvxFragmentView.LoadViewModelFrom(request, null);
}
dialog.Cancelable = attribute.Cancelable;
Dialogs.Add(mvxFragmentView.ViewModel, dialog);
var ft = CurrentFragmentManager.BeginTransaction();
if (attribute.SharedElements != null)
{
foreach (var item in attribute.SharedElements)
{
ft.AddSharedElement(item.Value, item.Key);
}
}
if (!attribute.EnterAnimation.Equals(int.MinValue) && !attribute.ExitAnimation.Equals(int.MinValue))
{
if (!attribute.PopEnterAnimation.Equals(int.MinValue) && !attribute.PopExitAnimation.Equals(int.MinValue))
{
ft.SetCustomAnimations(attribute.EnterAnimation, attribute.ExitAnimation, attribute.PopEnterAnimation, attribute.PopExitAnimation);
}
else
{
ft.SetCustomAnimations(attribute.EnterAnimation, attribute.ExitAnimation);
}
}
if (attribute.TransitionStyle != int.MinValue)
{
ft.SetTransitionStyle(attribute.TransitionStyle);
}
if (attribute.AddToBackStack == true)
{
ft.AddToBackStack(fragmentName);
}
dialog.Show(ft, fragmentName);
}
protected virtual Task <bool> ShowDialogFragment(
Type view,
MvxDialogFragmentPresentationAttribute attribute,
MvxViewModelRequest request)
{
var fragmentName = attribute.ViewType.FragmentJavaName();
IMvxFragmentView mvxFragmentView = CreateFragment(CurrentActivity.SupportFragmentManager, attribute, attribute.ViewType);
var dialog = (DialogFragment)mvxFragmentView;
// MvxNavigationService provides an already instantiated ViewModel here,
// therefore just assign it
if (request is MvxViewModelInstanceRequest instanceRequest)
{
mvxFragmentView.ViewModel = instanceRequest.ViewModelInstance;
}
else
{
mvxFragmentView.LoadViewModelFrom(request, null);
}
dialog.Cancelable = attribute.Cancelable;
var ft = CurrentFragmentManager.BeginTransaction();
OnBeforeFragmentChanging(ft, dialog, attribute, request);
if (attribute.AddToBackStack)
{
ft.AddToBackStack(fragmentName);
}
OnFragmentChanging(ft, dialog, attribute, request);
dialog.Show(ft, fragmentName);
OnFragmentChanged(ft, dialog, attribute, request);
return(Task.FromResult(true));
}