/// <summary>
/// Called when the user tries to download a quiz
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private async void SyncDownload_Clicked(object sender, EventArgs e)
{
// this.serverConnected = true;
ImageButton button = sender as ImageButton;
string dbId = button.ClassId;
QuizInfo quizInfo = QuizRosterDatabase.GetQuizInfo(dbId);
// DOES THIS WORK?
while (quizInfo == null && Plugin.Connectivity.CrossConnectivity.Current.IsConnected)
{
await QuizRosterDatabase.UpdateLocalDatabaseAsync();
quizInfo = QuizRosterDatabase.GetQuizInfo(dbId);
}
string authorName = quizInfo.AuthorName;
string quizName = quizInfo.QuizName;
string category = quizInfo.Category;
ActivityIndicator indicatorSyncing = (button.Parent as StackLayout).Children[(int)UISyncStatus.Syncing] as ActivityIndicator;
string quizPath = button.ClassId;
button.IsVisible = false;
indicatorSyncing.IsVisible = true;
indicatorSyncing.IsRunning = true;
if (await Task.Run(() => ServerOperations.GetQuiz(dbId, category)))
{
ImageButton buttonSyncNoChange = (button.Parent as StackLayout).Children[(int)UISyncStatus.NoChange] as ImageButton;
indicatorSyncing.IsVisible = false;
buttonSyncNoChange.IsVisible = true;
(((button.Parent as StackLayout).Parent as StackLayout).Parent as Frame).StyleId = "Local";
}
else // If it failed to download
{
indicatorSyncing.IsVisible = false;
button.IsVisible = true;
await this.DisplayAlert("Quiz Download Failed",
"This quiz could not be downloaded from the server. Please try again.",
"OK");
}
indicatorSyncing.IsRunning = false;
await this.UpdateProfileContentAsync(
this.SelectedCategory);
}