Using UaTcpSessionClient constructor with EndpointDescription - MobileHmi.Droid sample does not work about opc-ua-samples

[awcullen]

Apparently the base.OnStart() does not expect to be overridden with an 'async' version.
You can get it to work if you remove the async keyword and change the line with the await to:

var getEndpointsResponse = UaTcpDiscoveryClient.GetEndpointsAsync(getEndpointsRequest).Result;

[abrasat]

Thank you for the hint.
But why does the second constructor (with discovery url) work even with async OnStart ?

[awcullen]

I put a try / catch around the code you added. It caught a JavaException. All I could understand is that Xamarin Forms is doing a lot behind the scenes to make it easy to be cross platform.