/// <summary>
/// Displays a progress indicator while the specified task is executing
/// </summary>
/// <typeparam name="T">Type of data associated with the task</typeparam>
/// <param name="task">Task that is executing</param>
/// <param name="onCompletion">Action that is executed when the task is complete</param>
public void WithActivityIndicator <T>(Task <T> task, Action <Task <T> > onCompletion)
{
var frame = Application.Current.RootVisual as PhoneApplicationFrame;
var currentPage = (frame != null) ? frame.Content as PhoneApplicationPage : null;
_progressHelper.SetupTask(task, onCompletion,
StartProgressAction(currentPage),
StopProgressAction(currentPage));
}
/// <summary>
/// Displays a progress indicator while the specified task is executing
/// </summary>
/// <typeparam name="T">Type of data associated with the task</typeparam>
/// <param name="task">Task that is executing</param>
/// <param name="onCompletion">Action that is executed when the task is complete</param>
public void WithActivityIndicator <T> (Task <T> task, Action <Task <T> > onCompletion)
{
if (!_topActivity.Activity.Window.HasFeature(Android.Views.WindowFeatures.IndeterminateProgress))
{
throw new InvalidOperationException("You must call \"RequestWindowFeature(Android.Views.WindowFeatures.IndeterminateProgress);\" in the View's OnViewModelSet() method in order to use the WithProgressBar method");
}
_progressHelper.SetupTask(task, onCompletion,
() => _topActivity.Activity.SetProgressBarIndeterminateVisibility(true),
() => _topActivity.Activity.SetProgressBarIndeterminateVisibility(false));
}
/// <summary>
/// Displays a progress indicator while the specified task is executing
/// </summary>
/// <typeparam name="T">Type of data associated with the task</typeparam>
/// <param name="task">Task that is executing</param>
/// <param name="onCompletion">Action that is executed when the task is complete</param>
public void WithActivityIndicator <T>(System.Threading.Tasks.Task <T> task, Action <System.Threading.Tasks.Task <T> > onCompletion)
{
_progressHelper.SetupTask(task, onCompletion,
() => UIApplication.SharedApplication.NetworkActivityIndicatorVisible = true,
() => UIApplication.SharedApplication.NetworkActivityIndicatorVisible = false);
}