protected virtual void SwitchFragment(FragmentManager manager, AView targetView, ShellItem newItem, bool animate = true)
{
var previousView = _currentView;
_currentView = CreateShellItemRenderer(newItem);
_currentView.ShellItem = newItem;
var fragment = _currentView.Fragment;
FragmentTransaction transaction = manager.BeginTransactionEx();
if (animate)
{
transaction.SetTransitionEx((int)global::Android.App.FragmentTransit.FragmentOpen);
}
transaction.ReplaceEx(_frameLayout.Id, fragment);
transaction.CommitAllowingStateLossEx();
void OnDestroyed(object sender, EventArgs args)
{
previousView.Destroyed -= OnDestroyed;
previousView.Dispose();
previousView = null;
}
if (previousView != null)
{
previousView.Destroyed += OnDestroyed;
}
}
protected virtual void SwitchFragment(FragmentManager manager, AView targetView, ShellItem newItem, bool animate = true)
{
Profile.FrameBegin();
Profile.FramePartition("IsDesignerContext");
if (AndroidContext.IsDesignerContext())
{
return;
}
Profile.FramePartition("CreateShellItemRenderer");
var previousRenderer = _currentRenderer;
_currentRenderer = CreateShellItemRenderer(newItem);
_currentRenderer.ShellItem = newItem;
var fragment = _currentRenderer.Fragment;
Profile.FramePartition("Transaction");
FragmentTransaction transaction = manager.BeginTransaction();
if (animate)
{
transaction.SetTransitionEx((int)global::Android.App.FragmentTransit.EnterMask);
}
transaction.ReplaceEx(_frameLayout.Id, fragment);
transaction.CommitAllowingStateLossEx();
Profile.FramePartition("OnDestroyed");
void OnDestroyed(object sender, EventArgs args)
{
previousRenderer.Destroyed -= OnDestroyed;
previousRenderer.Dispose();
previousRenderer = null;
}
if (previousRenderer != null)
{
previousRenderer.Destroyed += OnDestroyed;
}
Profile.FrameEnd();
}
