private async void btnSave_Click(object sender, RoutedEventArgs e)
{
Debug.WriteLine("Saving questions...");
QuestionList qList = new QuestionList();
String[] questions = new String[3];
questions[0] = txtQuestion1.Text;
questions[1] = txtQuestion2.Text;
questions[2] = txtQuestion3.Text;
qList.Questions = new List <String>(questions);
Debug.WriteLine("Questions: " + qList.ToJson());
Windows.Storage.StorageFolder storageFolder = Windows.Storage.ApplicationData.Current.LocalFolder;
Windows.Storage.StorageFile questionsFile = await storageFolder.CreateFileAsync(QUESTIONS_FILE, Windows.Storage.CreationCollisionOption.ReplaceExisting);
await Windows.Storage.FileIO.WriteTextAsync(questionsFile, qList.ToJson());
this.loadQuestionsFromStorage();
}
private async void loadQuestionsFromStorage()
{
try
{
Windows.Storage.StorageFolder storageFolder = Windows.Storage.ApplicationData.Current.LocalFolder;
Windows.Storage.StorageFile questionsFile = await storageFolder.GetFileAsync(QUESTIONS_FILE);
String questionsJson = await Windows.Storage.FileIO.ReadTextAsync(questionsFile);
QuestionList questionsList = DementiaApp.QuestionList.FromJson(questionsJson);
Debug.WriteLine("Read stored questions: " + questionsList.ToJson());
txtQuestion1.Text = questionsList.Questions[0];
txtQuestion2.Text = questionsList.Questions[1];
txtQuestion3.Text = questionsList.Questions[2];
}
catch
{
Debug.WriteLine("Exception trying to read file " + QUESTIONS_FILE);
}
}