When running multiple HttpClient postAsync() inside a Task.WhenAll() the following error is thrown on Android (Player/Native Nexus 5.1):
InvalidOperationException: Cannot re-call start of asynchronous method while a previous call is still in progress.
After some research I found:
Marek Safar 2015-01-05 11:48:55 EST
You need Xamarin.Android 5.0 which is the first version with the fix
My currently installed Version: 126.96.36.199 (Trial Edition)
So when I check for updates stable/beta/alpha there is no "Xamarin.Android 5.0" available yet..
Where can I find this "Xamarin.Android 5.0" update? I need this working badly as im loosing time and money here.
Furthermore the problem resides in the HttpClientHandler() which has been fixed? according to this
When targeting IOS it works flawlessly!
Operating System: Mac OS X 10.10.2