/**
* Updates the displayed presentation to enable a secondary screen if it has
* been selected in the {@link MediaRouter} for the
* {@link MediaRouter#ROUTE_TYPE_LIVE_VIDEO} type. If no screen has been
* selected by the {@link MediaRouter}, the current screen is disabled.
* Otherwise a new {@link SamplePresentation} is initialized and shown on
* the secondary screen.
*/
public void UpdatePresentation()
{
// Get the selected route for live video
var selectedRoute = mMediaRouter.GetSelectedRoute(MediaRouteType.LiveVideo);
// Get its Display if a valid route has been selected
Display selectedDisplay = null;
if (selectedRoute != null)
{
selectedDisplay = selectedRoute.PresentationDisplay;
}
/*
* Dismiss the current presentation if the display has changed or no new
* route has been selected
*/
if (mPresentation != null && mPresentation.Display != selectedDisplay)
{
mPresentation.Dismiss();
mPresentation = null;
mButton.Enabled = false;
mTextStatus.SetText(Resource.String.secondary_notconnected);
}
/*
* Show a new presentation if the previous one has been dismissed and a
* route has been selected.
*/
if (mPresentation == null && selectedDisplay != null)
{
// Initialise a new Presentation for the Display
mPresentation = new SamplePresentation(this, selectedDisplay);
mPresentation.DismissEvent += delegate(object sender, EventArgs e) {
if (sender == mPresentation)
{
mPresentation = null;
}
};
// Try to show the presentation, this might fail if the display has
// gone away in the mean time
try {
mPresentation.Show();
mTextStatus.Text = Resources.GetString(Resource.String.secondary_connected, selectedRoute.Name);
mButton.Enabled = true;
ShowNextColor();
} catch (WindowManagerInvalidDisplayException ex) {
// Couldn't show presentation - display was already removed
mPresentation = null;
Console.WriteLine(ex);
}
}
}
protected override void OnStop()
{
base.OnStop();
// Dismiss the presentation when the activity is not visible.
if (mPresentation != null)
{
mPresentation.Dismiss();
mPresentation = null;
}
}
/**
* Updates the displayed presentation to enable a secondary screen if it has
* been selected in the {@link MediaRouter} for the
* {@link MediaRouter#ROUTE_TYPE_LIVE_VIDEO} type. If no screen has been
* selected by the {@link MediaRouter}, the current screen is disabled.
* Otherwise a new {@link SamplePresentation} is initialized and shown on
* the secondary screen.
*/
public void UpdatePresentation ()
{
// Get the selected route for live video
var selectedRoute = mMediaRouter.GetSelectedRoute (MediaRouteType.LiveVideo);
// Get its Display if a valid route has been selected
Display selectedDisplay = null;
if (selectedRoute != null)
selectedDisplay = selectedRoute.PresentationDisplay;
/*
* Dismiss the current presentation if the display has changed or no new
* route has been selected
*/
if (mPresentation != null && mPresentation.Display != selectedDisplay) {
mPresentation.Dismiss ();
mPresentation = null;
mButton.Enabled = false;
mTextStatus.SetText (Resource.String.secondary_notconnected);
}
/*
* Show a new presentation if the previous one has been dismissed and a
* route has been selected.
*/
if (mPresentation == null && selectedDisplay != null) {
// Initialise a new Presentation for the Display
mPresentation = new SamplePresentation (this, selectedDisplay);
mPresentation.DismissEvent += delegate (object sender, EventArgs e) {
if (sender == mPresentation) {
mPresentation = null;
}
};
// Try to show the presentation, this might fail if the display has
// gone away in the mean time
try {
mPresentation.Show ();
mTextStatus.Text = Resources.GetString (Resource.String.secondary_connected, selectedRoute.Name);
mButton.Enabled = true;
ShowNextColor ();
} catch (WindowManagerInvalidDisplayException ex) {
// Couldn't show presentation - display was already removed
mPresentation = null;
Console.WriteLine (ex);
}
}
}
protected override void OnStop ()
{
base.OnStop ();
// Dismiss the presentation when the activity is not visible.
if (mPresentation != null) {
mPresentation.Dismiss ();
mPresentation = null;
}
}