/// <summary>Control whether the list is being displayed.</summary>
/// <remarks>
/// Control whether the list is being displayed. You can make it not
/// displayed if you are waiting for the initial data to show in it. During
/// this time an indeterminant progress indicator will be shown instead.
/// </remarks>
/// <param name="shown">
/// If true, the list view is shown; if false, the progress
/// indicator. The initial value is true.
/// </param>
/// <param name="animate">
/// If true, an animation will be used to transition to the
/// new state.
/// </param>
private void setListShown(bool shown, bool animate)
{
ensureList();
if (mProgressContainer == null)
{
throw new System.InvalidOperationException("Can't be used with a custom content view"
);
}
if (mListShown == shown)
{
return;
}
mListShown = shown;
if (shown)
{
if (animate)
{
mProgressContainer.startAnimation(android.view.animation.AnimationUtils.loadAnimation
(getActivity(), android.R.anim.fade_out));
mListContainer.startAnimation(android.view.animation.AnimationUtils.loadAnimation
(getActivity(), android.R.anim.fade_in));
}
else
{
mProgressContainer.clearAnimation();
mListContainer.clearAnimation();
}
mProgressContainer.setVisibility(android.view.View.GONE);
mListContainer.setVisibility(android.view.View.VISIBLE);
}
else
{
if (animate)
{
mProgressContainer.startAnimation(android.view.animation.AnimationUtils.loadAnimation
(getActivity(), android.R.anim.fade_in));
mListContainer.startAnimation(android.view.animation.AnimationUtils.loadAnimation
(getActivity(), android.R.anim.fade_out));
}
else
{
mProgressContainer.clearAnimation();
mListContainer.clearAnimation();
}
mProgressContainer.setVisibility(android.view.View.VISIBLE);
mListContainer.setVisibility(android.view.View.GONE);
}
}
/// <summary>Shows only the specified child.</summary>
/// <remarks>
/// Shows only the specified child. The other displays Views exit the screen,
/// optionally with the with the
/// <see cref="getOutAnimation()">out animation</see>
/// and
/// the specified child enters the screen, optionally with the
/// <see cref="getInAnimation()">in animation</see>
/// .
/// </remarks>
/// <param name="childIndex">The index of the child to be shown.</param>
/// <param name="animate">
/// Whether or not to use the in and out animations, defaults
/// to true.
/// </param>
internal virtual void showOnly(int childIndex, bool animate_1)
{
int count = getChildCount();
{
for (int i = 0; i < count; i++)
{
android.view.View child = getChildAt(i);
if (i == childIndex)
{
if (animate_1 && mInAnimation != null)
{
child.startAnimation(mInAnimation);
}
child.setVisibility(android.view.View.VISIBLE);
mFirstTime = false;
}
else
{
if (animate_1 && mOutAnimation != null && child.getVisibility() == android.view.View
.VISIBLE)
{
child.startAnimation(mOutAnimation);
}
else
{
if (child.getAnimation() == mInAnimation)
{
child.clearAnimation();
}
}
child.setVisibility(android.view.View.GONE);
}
}
}
}