protected override async void OnCreate(Bundle savedInstanceState)
{
_destroyCancellationSource?.Dispose();
_destroyCancellationSource = new CancellationTokenSource();
var localDestroyCancellationSource = _destroyCancellationSource;
base.OnCreate(savedInstanceState);
_persistedDataFragment = (PersistedDataFragment)SupportFragmentManager.FindFragmentByTag(PersistedDataFragmentTag);
if (_persistedDataFragment == null)
{
_persistedDataFragment = new PersistedDataFragment(ApplicationContext);
SupportFragmentManager
.BeginTransaction()
.Add(_persistedDataFragment, PersistedDataFragmentTag)
.Commit();
}
else
{
_persistedDataFragment.ApplicationContext = ApplicationContext;
}
// Set our view from the "main" layout resource
SetContentView(Resource.Layout.Main);
var progressBar = FindViewById <ProgressBar>(Resource.Id.MainProgressBar);
var progressText = FindViewById <TextView>(Resource.Id.MainProgressText);
Account account;
try
{
progressText.Text = GetString(Resource.String.RetrievingUserProfile);
await _persistedDataFragment.GetOrCreateUserProfileAsync(this, localDestroyCancellationSource.Token);
if (localDestroyCancellationSource.IsCancellationRequested)
{
return;
}
progressText.Text = GetString(Resource.String.RetrievingAccountInformation);
account = await _persistedDataFragment.GetAccountAsync(this, localDestroyCancellationSource.Token);
}
catch (Exception ex)
{
if (!localDestroyCancellationSource.IsCancellationRequested)
{
var alert = new AlertDialog.Builder(this).Create();
alert.SetMessage(ex.Message);
alert.DismissEvent += (sender, e) =>
{
Finish();
};
alert.Show();
}
return;
}
if (localDestroyCancellationSource.IsCancellationRequested)
{
return;
}
if (account?.Id == null)
{
var intent = new Intent(this, typeof(NoAccountActivity));
StartActivity(intent);
Finish();
return;
}
progressBar.Visibility = ViewStates.Gone;
progressText.Visibility = ViewStates.Gone;
Title = account.Name;
InitializeViewPager();
InitializeTabs(savedInstanceState);
}
public override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
_persistedDataFragment = (PersistedDataFragment)FragmentManager.FindFragmentByTag(MainActivity.PersistedDataFragmentTag);
}