public void OnTabSelected(ActionBar.Tab tab, FragmentTransaction ft)
{
TitlesFragment titleFrag = (TitlesFragment)FragmentManager.FindFragmentById(Resource.Id.frag_title);
titleFrag.PopulateTitles(tab.Position);
titleFrag.SelectPosition(0);
}
public void ToggleVisibleTitles()
{
// Use these for custom animations.
FragmentManager fm = FragmentManager;
TitlesFragment f = (TitlesFragment)fm.FindFragmentById(Resource.Id.frag_title);
View titlesView = f.View;
mLabelIndex = 1 - mLabelIndex;
// Determine if we're in portrait, and whether we're showing or hiding the titles
// with this toggle.
bool isPortrait = Resources.Configuration.Orientation ==
Android.Content.Res.Orientation.Portrait;
bool shouldShow = f.IsHidden || mCurrentTitlesAnimator != null;
// Cancel the current titles animation if there is one.
if (mCurrentTitlesAnimator != null)
{
mCurrentTitlesAnimator.Cancel();
}
// Begin setting up the object animator. We'll animate the bottom or right edge of the
// titles view, as well as its alpha for a fade effect.
ObjectAnimator objectAnimator = ObjectAnimator.OfPropertyValuesHolder(
titlesView,
PropertyValuesHolder.OfInt(
isPortrait ? "bottom" : "right",
shouldShow ? Resources.GetDimensionPixelSize(Resource.Dimension.titles_size)
: 0),
PropertyValuesHolder.OfFloat("alpha", shouldShow ? 1 : 0)
);
// At each step of the animation, we'll perform layout by calling setLayoutParams.
ViewGroup.LayoutParams lp = titlesView.LayoutParameters;
objectAnimator.AddUpdateListener(new AnimatorUpdateListener(isPortrait, titlesView, lp));
if (shouldShow)
{
fm.BeginTransaction().Show(f).Commit();
objectAnimator.AddListener(new ObjectAnimatorListenerAdapter(this));
}
else
{
objectAnimator.AddListener(new ObjectAnimatorListenerAdapter2(this, fm, f));
}
// Start the animation.
objectAnimator.Start();
mCurrentTitlesAnimator = objectAnimator;
InvalidateOptionsMenu();
// Manually trigger onNewIntent to check for ACTION_DIALOG.
OnNewIntent(Intent);
}
public ObjectAnimatorListenerAdapter2(MainActivity parent, FragmentManager fm, TitlesFragment f)
{
this.parent = parent;
this.fm = fm;
this.f = f;
}
public ObjectAnimatorListenerAdapter2(MainActivity parent, FragmentManager fm, TitlesFragment f)
{
this.parent = parent;
this.fm = fm;
this.f = f;
}
