protected virtual Bundle CreateActivityTransitionOptions(
Intent intent, MvxActivityPresentationAttribute attribute, MvxViewModelRequest request)
{
ValidateArguments(attribute, request);
if (intent == null)
{
throw new ArgumentNullException(nameof(intent));
}
var bundle = Bundle.Empty !;
if (CurrentActivity.IsActivityAlive() &&
CurrentActivity is IMvxAndroidSharedElements sharedElementsActivity &&
Build.VERSION.SdkInt >= BuildVersionCodes.Lollipop)
{
var(elements, transitionElementPairs) =
GetTransitionElements(attribute, request, sharedElementsActivity);
if (transitionElementPairs.Count == 0)
{
_logger.Value?.Warn("No transition elements are provided");
return(bundle);
}
var transitionElementsBundle = CreateTransitionElementsBundle(intent, transitionElementPairs, elements);
if (transitionElementsBundle != null)
{
return(transitionElementsBundle);
}
}
protected override void ShowActivity(Type view,
MvxActivityPresentationAttribute attribute,
MvxViewModelRequest request)
{
var intent = CreateIntentForRequest(request);
if (attribute.Extras != null)
{
intent.PutExtras(attribute.Extras);
}
var activity = CurrentActivity;
if (activity == null)
{
MvxTrace.Warning("Cannot Resolve current top activity");
return;
}
var activityOptions = CreateActivityTransitionOptions(intent, attribute);
if (activityOptions != null)
{
activity.StartActivity(intent, activityOptions.ToBundle());
}
else
{
activity.StartActivity(intent);
}
}
protected override void ShowActivity(Type view,
MvxActivityPresentationAttribute attribute,
MvxViewModelRequest request)
{
var intent = CreateIntentForRequest(request);
if (attribute.Extras != null)
{
intent.PutExtras(attribute.Extras);
}
var activity = CurrentActivity;
if (activity == null)
{
MvxTrace.Warning("Cannot Resolve current top activity");
return;
}
if (attribute.SharedElements != null)
{
IList <Pair> sharedElements = new List <Pair>();
foreach (var item in attribute.SharedElements)
{
intent.PutExtra(item.Key, ViewCompat.GetTransitionName(item.Value));
sharedElements.Add(Pair.Create(item.Value, item.Key));
}
ActivityOptionsCompat options = ActivityOptionsCompat.MakeSceneTransitionAnimation(CurrentActivity, sharedElements.ToArray());
activity.StartActivity(intent, options.ToBundle());
}
else
{
activity.StartActivity(intent);
}
}
protected virtual void ShowActivity(
Type view,
MvxActivityPresentationAttribute attribute,
MvxViewModelRequest request)
{
var intent = CreateIntentForRequest(request);
if (attribute.Extras != null)
{
intent.PutExtras(attribute.Extras);
}
ShowIntent(intent);
}
protected virtual Task <bool> ShowActivity(
Type view,
MvxActivityPresentationAttribute attribute,
MvxViewModelRequest request)
{
var intent = CreateIntentForRequest(request);
if (attribute.Extras != null)
{
intent.PutExtras(attribute.Extras);
}
ShowIntent(intent, CreateActivityTransitionOptions(intent, attribute, request));
return(Task.FromResult(true));
}
protected override bool CloseActivity(IMvxViewModel viewModel, MvxActivityPresentationAttribute attribute)
{
var currentView = CurrentActivity as IMvxView;
if (currentView == null || currentView.ViewModel != viewModel)
{
var currentTopActivity = Mvx.Resolve <IMvxAndroidCurrentTopActivity>() as QueryableMvxLifecycleMonitorCurrentTopActivity;
var closingActivity = currentTopActivity?.FindActivityByViewModel(viewModel);
closingActivity?.Finish();
if (closingActivity != null)
{
//found an activity and handled it
return(true);
}
}
return(base.CloseActivity(viewModel, attribute));
}
protected virtual Bundle CreateActivityTransitionOptions(Intent intent, MvxActivityPresentationAttribute attribute, MvxViewModelRequest request)
{
var bundle = Bundle.Empty;
if (CurrentActivity is IMvxAndroidSharedElements sharedElementsActivity)
{
var elements = new List <string>();
var transitionElementPairs = new List <Pair>();
foreach (KeyValuePair <string, View> item in sharedElementsActivity.FetchSharedElementsToAnimate(attribute, request))
{
var transitionName = item.Value.GetTransitionNameSupport();
if (!string.IsNullOrEmpty(transitionName))
{
transitionElementPairs.Add(Pair.Create(item.Value, transitionName));
elements.Add($"{item.Key}:{transitionName}");
}
else
{
MvxLog.Instance.Warn("A XML transitionName is required in order to transition a control when navigating.");
}
}
if (!transitionElementPairs.Any())
{
MvxLog.Instance.Warn("No transition elements are provided");
return(bundle);
}
if (Build.VERSION.SdkInt >= BuildVersionCodes.Lollipop)
{
var activityOptions = ActivityOptions.MakeSceneTransitionAnimation(CurrentActivity, transitionElementPairs.ToArray());
intent.PutExtra(SharedElementsBundleKey, string.Join("|", elements));
bundle = activityOptions.ToBundle();
}
else
{
MvxLog.Instance.Warn("Shared element transition requires Android v21+.");
}
}
return(bundle);
}
protected virtual bool CloseActivity(IMvxViewModel viewModel, MvxActivityPresentationAttribute attribute)
{
var currentView = CurrentActivity as IMvxView;
if (currentView == null)
{
Mvx.Warning("Ignoring close for viewmodel - rootframe has no current page");
return(false);
}
if (currentView.ViewModel != viewModel)
{
Mvx.Warning("Ignoring close for viewmodel - rootframe's current page is not the view for the requested viewmodel");
return(false);
}
CurrentActivity.Finish();
return(true);
}
protected virtual Task <bool> CloseActivity(IMvxViewModel viewModel, MvxActivityPresentationAttribute attribute)
{
var currentView = CurrentActivity as IMvxView;
if (currentView == null)
{
MvxLog.Instance.Warn("Ignoring close for viewmodel - rootframe has no current page");
return(Task.FromResult(false));
}
if (currentView.ViewModel != viewModel)
{
MvxLog.Instance.Warn("Ignoring close for viewmodel - rootframe's current page is not the view for the requested viewmodel");
return(Task.FromResult(false));
}
CurrentActivity.Finish();
return(Task.FromResult(true));
}
public override ValueTask<MvxBasePresentationAttribute?> CreatePresentationAttribute(Type? viewModelType, Type? viewType)
{
if (viewType?.IsSubclassOf(typeof(DialogFragment)) ?? false)
{
MvxLog.Instance.Trace("PresentationAttribute not found for {0}. Assuming DialogFragment presentation", viewType.Name);
var attribute = new MvxDialogFragmentPresentationAttribute() { ViewType = viewType, ViewModelType = viewModelType };
return new ValueTask<MvxBasePresentationAttribute?>(attribute);
}
else if (viewType?.IsSubclassOf(typeof(Fragment)) ?? false)
{
MvxLog.Instance.Trace("PresentationAttribute not found for {0}. Assuming Fragment presentation", viewType.Name);
var attribute= new MvxFragmentPresentationAttribute(GetCurrentActivityViewModelType(), global::Android.Resource.Id.Content) { ViewType = viewType, ViewModelType = viewModelType };
return new ValueTask<MvxBasePresentationAttribute?>(attribute);
}
else if (viewType?.IsSubclassOf(typeof(Activity)) ?? false)
{
MvxLog.Instance.Trace("PresentationAttribute not found for {0}. Assuming Activity presentation", viewType.Name);
var attribute = new MvxActivityPresentationAttribute() { ViewType = viewType, ViewModelType = viewModelType };
return new ValueTask<MvxBasePresentationAttribute?>(attribute);
}
return new ValueTask<MvxBasePresentationAttribute?>((MvxBasePresentationAttribute?)null);
}
protected virtual Bundle CreateActivityTransitionOptions(
Intent intent, MvxActivityPresentationAttribute attribute, MvxViewModelRequest request)
{
ValidateArguments(attribute, request);
if (intent == null)
{
throw new ArgumentNullException(nameof(intent));
}
var bundle = Bundle.Empty !;
if (CurrentActivity.IsActivityAlive() &&
CurrentActivity is IMvxAndroidSharedElements sharedElementsActivity)
{
var(elements, transitionElementPairs) =
GetTransitionElements(attribute, request, sharedElementsActivity);
if (transitionElementPairs.Count == 0)
{
_logger.Value?.Log(LogLevel.Warning, "No transition elements are provided");
return(bundle);
}
var transitionElementsBundle = CreateTransitionElementsBundle(intent, transitionElementPairs, elements);
if (transitionElementsBundle != null)
{
return(transitionElementsBundle);
}
}
else
{
_logger.Value?.Log(LogLevel.Warning, "Shared element transition requires Android v21+.");
}
return(bundle);
}
protected virtual ActivityOptionsCompat CreateActivityTransitionOptions(Android.Content.Intent intent, MvxActivityPresentationAttribute attribute)
{
ActivityOptionsCompat options = null;
if (attribute.SharedElements != null)
{
IList <Pair> sharedElements = new List <Pair>();
foreach (var item in attribute.SharedElements)
{
intent.PutExtra(item.Key, ViewCompat.GetTransitionName(item.Value));
sharedElements.Add(Pair.Create(item.Value, item.Key));
}
options = ActivityOptionsCompat.MakeSceneTransitionAnimation(CurrentActivity, sharedElements.ToArray());
}
return(options);
}
protected override bool CloseActivity(IMvxViewModel viewModel, MvxActivityPresentationAttribute attribute)
{
return(base.CloseActivity(viewModel, attribute));
}
protected override void ShowActivity(Type view, MvxActivityPresentationAttribute attribute, MvxViewModelRequest request)
{
base.ShowActivity(view, attribute, request);
}
