void stopOperation(ANotificationReceiver nRec)
{
nRec.Stop();
if (useNotifications)
{
notificationManager.ReleaseAudioResources();
status.Text = "Released";
}
}
public Boolean RequestAudioResources(ANotificationReceiver parent)
{
listener = new FocusChangeListener(parent);
var returnVal = audioManager.RequestAudioFocus(listener, Stream.Music, AudioFocus.Gain);
if (returnVal == AudioFocusRequest.Granted)
{
return(true);
}
else if (returnVal == AudioFocusRequest.Failed)
{
return(false);
}
return(false);
}
async Task startOperationAsync(ANotificationReceiver nRec)
{
if (useNotifications)
{
bool haveFocus = notificationManager.RequestAudioResources(nRec);
if (haveFocus)
{
status.Text = "Granted";
await nRec.StartAsync();
}
else
{
status.Text = "Denied";
}
}
else
{
await nRec.StartAsync();
}
}
public FocusChangeListener(ANotificationReceiver parent)
{
this.parent = parent;
}
