public override async Task <QuestionResponse <TResponse> > AskQuestionAsync <TResponse>(
IQuestion <TResponse> question)
{
AssertArg.IsNotNull(question, nameof(question));
if (question is TextQuestion textQuestion)
{
var response = await ShowTextDialogAsync(textQuestion);
if (response.Item1)
{
var r = new TextResponse(OkCancelQuestionResult.OK, response.Item2);
return(new QuestionResponse <TResponse>((TResponse)(object)r, question));
}
var noResponse = new TextResponse(OkCancelQuestionResult.Cancel, null);
return(new QuestionResponse <TResponse>((TResponse)(object)noResponse, question));
}
throw new NotSupportedException();
}
public override Task <QuestionResponse <TResponse> > AskQuestionAsync <TResponse>(
IQuestion <TResponse> question)
{
Context context = ResolveContext();
AlertDialog.Builder builder = new AlertDialog.Builder(context);
var trq = question as TextQuestion;
if (trq == null)
{
throw new NotSupportedException(
"Only TextQuestion is supported at this time.");
}
var caption = trq.Caption;
if (!string.IsNullOrWhiteSpace(caption))
{
builder.SetTitle(caption.Parse());
}
var message = trq.Question;
if (!string.IsNullOrWhiteSpace(message))
{
builder.SetMessage(message.Parse());
}
EditText editText = new EditText(context);
if (trq.InputScope != InputScopeNameValue.Default)
{
var converter = Dependency.Resolve <IAndroidInputScopeConverter>();
var platformValue = converter.ToNativeType(trq.InputScope);
editText.InputType = platformValue;
}
if (!trq.MultiLine)
{
editText.SetSingleLine(true);
editText.SetMaxLines(1);
}
if (!trq.SpellCheckEnabled)
{
editText.InputType = editText.InputType | InputTypes.TextFlagNoSuggestions;
}
if (trq.InputScope == InputScopeNameValue.Password ||
trq.InputScope == InputScopeNameValue.NumericPassword)
{
editText.TransformationMethod = new PasswordTransformationMethod();
}
//var color = context.Resources.GetColor(Resources.Color.dialog_textcolor);
//textBox.SetTextColor(Color.Black);
editText.Text = trq.DefaultResponse;
builder.SetView(editText);
var manager = (InputMethodManager)context.GetSystemService(Context.InputMethodService);
var source = new TaskCompletionSource <QuestionResponse <TResponse> >();
builder.SetPositiveButton(Strings.Okay(),
(s, e) =>
{
Interlocked.Decrement(ref openDialogCount);
var textReponse = new TextResponse(OkCancelQuestionResult.OK, editText.Text);
var result = new QuestionResponse <TResponse>((TResponse)(object)textReponse, question);
manager.HideSoftInputFromWindow(editText.WindowToken, HideSoftInputFlags.None);
source.TrySetResult(result);
});
builder.SetNegativeButton(Strings.Cancel(), (s, e) =>
{
Interlocked.Decrement(ref openDialogCount);
var textReponse = new TextResponse {
OkCancelQuestionResult = OkCancelQuestionResult.Cancel
};
var result = new QuestionResponse <TResponse>((TResponse)(object)textReponse, question);
manager.HideSoftInputFromWindow(editText.WindowToken, HideSoftInputFlags.None);
source.TrySetResult(result);
});
Interlocked.Increment(ref openDialogCount);
builder.Show();
/* Focussing the EditText and showing the keyboard,
* must be done after the alert is show, else it has no effect. */
var looper = context.MainLooper;
var handler = new Handler(looper);
handler.Post(() =>
{
editText.RequestFocus();
manager.ShowSoftInput(editText, ShowFlags.Forced);
});
return(source.Task);
}
public override Task <QuestionResponse <TResponse> > AskQuestionAsync <TResponse>(
IQuestion <TResponse> question)
{
Context context = ResolveContext();
AlertDialog.Builder builder = new AlertDialog.Builder(context);
var trq = question as TextQuestion;
if (trq == null)
{
throw new NotSupportedException(
"Only TextQuestion is supported at this time.");
}
var caption = trq.Caption;
if (!string.IsNullOrWhiteSpace(caption))
{
builder.SetTitle(caption.Parse());
}
var message = trq.Question;
if (!string.IsNullOrWhiteSpace(message))
{
builder.SetMessage(message.Parse());
}
//var color = context.Resources.GetColor(Resources.Color.dialog_textcolor);
EditText editText = new EditText(context);
//textBox.SetTextColor(Color.Black);
editText.Text = trq.DefaultResponse;
builder.SetView(editText);
var manager = (InputMethodManager)context.GetSystemService(Context.InputMethodService);
var source = new TaskCompletionSource <QuestionResponse <TResponse> >();
builder.SetPositiveButton(Strings.Okay(),
(s, e) =>
{
Interlocked.Decrement(ref openDialogCount);
var textReponse = new TextResponse(OkCancelQuestionResult.OK, editText.Text);
var result = new QuestionResponse <TResponse>((TResponse)(object)textReponse, question);
manager.HideSoftInputFromWindow(editText.WindowToken, HideSoftInputFlags.None);
source.SetResult(result);
});
builder.SetNegativeButton(Strings.Cancel(), (s, e) =>
{
Interlocked.Decrement(ref openDialogCount);
var textReponse = new TextResponse {
OkCancelQuestionResult = OkCancelQuestionResult.Cancel
};
var result = new QuestionResponse <TResponse>((TResponse)(object)textReponse, question);
manager.HideSoftInputFromWindow(editText.WindowToken, HideSoftInputFlags.None);
source.SetResult(result);
});
Interlocked.Increment(ref openDialogCount);
builder.Show();
/* Focussing the EditText and showing the keyboard,
* must be done after the alert is show, else it has no effect. */
var looper = context.MainLooper;
var handler = new Handler(looper);
handler.Post(() =>
{
editText.RequestFocus();
manager.ShowSoftInput(editText, ShowFlags.Forced);
});
return(source.Task);
}
