protected virtual void PushChildFragment(FragmentManager fragmentManager, FragmentTransaction fragmentTransaction, string fragmentName, IMvxViewModel viewModel)
{
var newFragment = fragmentManager.FindFragmentByTag(fragmentName);
if (newFragment != null)
{
if (newFragment.IsDetached)
{
if (newFragment is IMvxFragmentView mvxFragment)
{
mvxFragment.ViewModel = viewModel;
}
fragmentTransaction.Attach(newFragment);
}
}
else
{
var fragment = CreateFragment(fragmentName);
fragment.ViewModel = viewModel;
var fragmentView = fragment as Fragment;
if (fragmentView != null)
{
fragmentTransaction.Add(FragmentContentId, fragmentView, fragmentName);
}
}
}
public void LoadListFragment()
{
FragmentTransaction fragmentTx = FragmentManager.BeginTransaction();
fragmentTx.Detach(pageFragment);
fragmentTx.Attach(filmsFragment);
fragmentTx.Commit();
}
public void LoadMovieFragment()
{
FragmentTransaction fragmentTx = FragmentManager.BeginTransaction();
fragmentTx.Detach(filmsFragment);
fragmentTx.Attach(pageFragment);
fragmentTx.AddToBackStack(null);
fragmentTx.Commit();
}
public void RefreshFrag()
{
if (FragmentManager != null)
{
FragmentTransaction a = FragmentManager.BeginTransaction();
a.Detach(this);
a.Attach(this);
a.CommitAllowingStateLoss();
}
}
protected virtual void PushFragment(FragmentManager fragmentManager, FragmentTransaction fragmentTransaction, MvxFragmentPresentationAttribute fragmentAttribute, MvxViewModelRequest request, IMvxViewModel viewModel, string fragmentName, string fragmentTag = null)
{
if (string.IsNullOrEmpty(fragmentTag))
{
fragmentTag = fragmentName;
}
var newFragment = fragmentManager.FindFragmentByTag(fragmentTag);
if (newFragment != null)
{
OnBeforeFragmentChanging(fragmentTransaction, newFragment, fragmentAttribute);
if (newFragment.IsDetached)
{
if (newFragment is IMvxFragmentView mvxFragment)
{
mvxFragment.ViewModel = viewModel;
}
if (request != null)
{
newFragment = SaveViewModelRequestInFragmentArguments(newFragment, request);
}
fragmentTransaction.Attach(newFragment);
OnFragmentChanging(fragmentTransaction, newFragment, fragmentAttribute);
}
}
else if (fragmentAttribute != null)
{
var fragment = CreateFragment(fragmentAttribute, fragmentName);
fragment.ViewModel = viewModel;
Fragment fragmentView = null;
if (request != null)
{
fragmentView = SaveViewModelRequestInFragmentArguments(fragment.ToFragment(), request);
}
if (fragmentView != null)
{
OnBeforeFragmentChanging(fragmentTransaction, fragmentView, fragmentAttribute);
fragmentTransaction.Add(fragmentAttribute.FragmentContentId, fragmentView, fragmentTag);
OnFragmentChanging(fragmentTransaction, fragmentView, fragmentAttribute);
}
}
}
public void OnTabSelected(ActionBar.Tab tab, FragmentTransaction ft)
{
var fragment = GetFragmentForPosition(tab.Position);
if (fragment.IsDetached)
{
ft.Attach(fragment);
}
else
{
ft.Add(Resource.Id.fragmentcontainer, fragment, "");
}
}
public void OnTabSelected(ActionBar.Tab tab, FragmentTransaction ft)
{
if (this.fragment == null)
{
this.fragment = (T)global::Android.App.Fragment.Instantiate(this.context, this.fragmentName);
if (this.tag != null)
{
ft.Add(global::Android.Resource.Id.Content, this.fragment, this.tag);
}
else
{
ft.Add(global::Android.Resource.Id.Content, this.fragment);
}
}
else
{
ft.Attach(this.fragment);
}
}
public void OnTabSelected(ActionBar.Tab tab, FragmentTransaction ft)
{
Log.Debug(this.GetType().Name, "The tab {0} has been selected.", tab.Text);
if (this._fragment == null)
{
this._fragment = (T)global::Android.App.Fragment.Instantiate(this._context, this._fragmentName);
if (this._tag != null)
{
ft.Add(global::Android.Resource.Id.Content, this._fragment, this._tag);
}
else
{
ft.Add(global::Android.Resource.Id.Content, this._fragment);
}
}
else
{
ft.Attach(this._fragment);
}
}
public static void SetContentView([NotNull] this ViewGroup frameLayout, object content,
FragmentTransaction transaction = null, Action <ViewGroup, Fragment, FragmentTransaction> updateAction = null)
{
Should.NotBeNull(frameLayout, "frameLayout");
if (content == null)
{
bool hasFragment = false;
var fragmentManager = frameLayout.GetFragmentManager();
if (fragmentManager != null)
{
var fragment = fragmentManager.FindFragmentById(frameLayout.Id);
hasFragment = fragment != null;
if (hasFragment && !fragmentManager.IsDestroyed)
{
fragmentManager.BeginTransaction().Remove(fragment).CommitAllowingStateLoss();
fragmentManager.ExecutePendingTransactions();
}
}
if (!hasFragment)
{
frameLayout.RemoveAllViews();
}
return;
}
var view = content as View;
if (view == null)
{
var fragment = (Fragment)content;
ValidateViewIdFragment(frameLayout, fragment);
var addToBackStack = PlatformDataBindingModule.AddToBackStackMember.GetValue(frameLayout, null);
FragmentManager manager = null;
if (transaction == null)
{
manager = frameLayout.GetFragmentManager();
if (manager == null)
{
return;
}
transaction = manager.BeginTransaction();
}
if (addToBackStack && fragment.Arguments != null)
{
addToBackStack = !fragment.Arguments.GetBoolean(AddedToBackStackKey);
}
if (updateAction == null)
{
if (fragment.IsDetached)
{
transaction.Attach(fragment);
}
else
{
if (addToBackStack)
{
if (fragment.Arguments == null)
{
fragment.Arguments = new Bundle();
}
fragment.Arguments.PutBoolean(AddedToBackStackKey, true);
}
transaction.Replace(frameLayout.Id, fragment);
}
}
else
{
updateAction(frameLayout, fragment, transaction);
}
if (addToBackStack)
{
transaction.AddToBackStack(null);
}
if (manager != null)
{
transaction.Commit();
manager.ExecutePendingTransactions();
}
}
else
{
if (frameLayout.ChildCount == 1 && frameLayout.GetChildAt(0) == view)
{
return;
}
frameLayout.RemoveAllViews();
frameLayout.AddView(view);
}
}
