public Dialog BuildForm(AppCompatActivity activity, PromptFormConfig config)
{
var layout = new LinearLayout(activity)
{
Orientation = Orientation.Vertical,
};
var txts = new Dictionary <string, EditText>();
var result = new Dictionary <string, string>();
foreach (var item in config.Items)
{
var txt = new EditText(activity)
{
Hint = item.Placeholder,
};
if (item.Text != null)
{
txt.Text = item.Text;
txt.SetSelection(item.Text.Length);
}
if (item.MaxLength != null)
{
txt.SetFilters(new[] { new InputFilterLengthFilter(item.MaxLength.Value) });
}
SetInputType(txt, item.InputType);
layout.AddView(txt, ViewGroup.LayoutParams.MatchParent);
txts[item.Key] = (txt);
result[item.Key] = string.Empty;
}
Action action = () =>
{
foreach (var item in txts)
{
result[item.Key] = item.Value.Text.Trim();
}
};
var builder = new AppCompatAlertDialog.Builder(activity, config.AndroidStyleId ?? 0)
.SetCancelable(false)
.SetMessage(config.Message)
.SetTitle(config.Title)
.SetView(layout)
.SetPositiveButton(config.OkText, (s, a) =>
{
action();
config.OnAction?.Invoke(new PromptFormResult(true, result));
});
if (config.IsCancellable)
{
builder.SetNegativeButton(config.CancelText, (s, a) =>
{
action();
config.OnAction?.Invoke(new PromptFormResult(false, result));
});
}
var dialog = builder.Create();
return(dialog);
}
public static UIAlertController Build(PromptFormConfig config)
{
var controller = UIAlertController.Create(config.Title, config.Message, UIAlertControllerStyle.Alert);
var result = new Dictionary <string, string>();
var inputs = new Dictionary <string, UITextField>();
foreach (var item in config.Items)
{
var txt = new UITextField();
controller.AddTextField((f) =>
{
txt = f;
SetInputType(txt, item.InputType);
txt.Placeholder = item.Placeholder ?? string.Empty;
txt.Text = item.Text ?? string.Empty;
if (item.MaxLength != null)
{
txt.ShouldChangeCharacters = (field, replacePosition, replacement) =>
{
var updatedText = new StringBuilder(field.Text);
updatedText.Remove((int)replacePosition.Location, (int)replacePosition.Length);
updatedText.Insert((int)replacePosition.Location, replacement);
return(updatedText.ToString().Length <= item.MaxLength.Value);
};
}
});
inputs[item.Key] = txt;
}
Action action = () =>
{
foreach (var item in inputs)
{
result[item.Key] = item.Value.Text.Trim();
}
};
var okButton = UIAlertAction.Create(config.OkText, UIAlertActionStyle.Default, (_) =>
{
action();
config.OnAction?.Invoke(new PromptFormResult(true, result));
});
controller.AddAction(okButton);
if (config.IsCancellable)
{
controller.AddAction(UIAlertAction.Create(config.CancelText, UIAlertActionStyle.Cancel, (_) =>
{
action();
config.OnAction?.Invoke(new PromptFormResult(false, result));
}));
}
return(controller);
}
