private PostSignIn.Result SignInRemotely(string userName, string password, CancellationToken cancellationToken)
{
// If there is no network, we won't
// even bother trying.
if (false == NetworkStatus.IsReachable())
{
return(null);
}
var postSignIn = new PostSignIn().ExecuteAsync(userName, password, cancellationToken);
// Let's wait for the synchronization
// to complete, but within a timeout.
var completed = postSignIn
.Wait(_timeout);
// If the task did not complete, we'll
// report the network is unreachable.
if (false == completed)
{
return(null);
}
return(postSignIn.Result);
}
// ReSharper disable once UnusedMember.Local
// ReSharper disable once UnusedParameter.Local
async partial void Synchronize(NSObject sender)
{
if (false == NetworkStatus.IsReachable())
{
Alert.Show("No Connectivity", "Our server seems to be unreachable. Did you check your internet access?");
return;
}
try {
await SynchronizeAsync();
} catch (Exception e) {
//TODO: show user-friendly message.
Alert.Show("Synchronization Failed", e.ToString());
}
}