void DismissCurrent(Context context = null)
{
lock (dialogLock)
{
if (CurrentDialog != null)
{
waitDismiss.Set();
Action actionDismiss = () =>
{
CurrentDialog.Hide();
CurrentDialog.Dismiss();
statusText = null;
statusObj = null;
imageView = null;
progressWheel = null;
CurrentDialog = null;
waitDismiss.Reset();
};
//First try the SynchronizationContext
if (Application.SynchronizationContext != null)
{
Application.SynchronizationContext.Send(state => actionDismiss(), null);
return;
}
//Next let's try and get the Activity from the CurrentDialog
if (CurrentDialog != null && CurrentDialog.Window != null && CurrentDialog.Window.Context != null)
{
var activity = CurrentDialog.Window.Context as Activity;
if (activity != null)
{
activity.RunOnUiThread(actionDismiss);
return;
}
}
//Finally if all else fails, let's see if someone passed in a context to dismiss and it
// happens to also be an Activity
if (context != null)
{
var activity = context as Activity;
if (activity != null)
{
activity.RunOnUiThread(actionDismiss);
return;
}
}
}
}
}
void showProgress(Context context, int progress, string status = null, MaskType maskType = MaskType.Black, TimeSpan?timeout = null, Action clickCallback = null, Action cancelCallback = null)
{
if (!timeout.HasValue || timeout == null)
{
timeout = TimeSpan.Zero;
}
if (CurrentDialog != null && progressWheel == null)
{
DismissCurrent(context);
}
lock (dialogLock)
{
if (CurrentDialog == null)
{
SetupDialog(context, maskType, cancelCallback, (a, d, m) => {
var inflater = LayoutInflater.FromContext(context);
var view = inflater.Inflate(Resource.Layout.loadingprogress, null);
if (clickCallback != null)
{
view.Click += (sender, e) => clickCallback();
}
progressWheel = view.FindViewById <ProgressWheel>(Resource.Id.loadingProgressWheel);
statusText = view.FindViewById <TextView>(Resource.Id.textViewStatus);
if (maskType != MaskType.Black)
{
view.SetBackgroundResource(Resource.Drawable.roundedbgdark);
}
progressWheel.SetProgress(0);
if (statusText != null)
{
statusText.Text = status ?? "";
statusText.Visibility = string.IsNullOrEmpty(status) ? ViewStates.Gone : ViewStates.Visible;
}
return(view);
});
if (timeout.Value > TimeSpan.Zero)
{
Task.Factory.StartNew(() => {
if (!waitDismiss.WaitOne(timeout.Value))
{
DismissCurrent(context);
}
}).ContinueWith(ct => {
var ex = ct.Exception;
if (ex != null)
{
Android.Util.Log.Error("AndHUD", ex.ToString());
}
}, TaskContinuationOptions.OnlyOnFaulted);
}
}
else
{
Application.SynchronizationContext.Send(state => {
progressWheel.SetProgress(progress);
statusText.Text = status ?? "";
}, null);
}
}
}
