public static void CreateStepperButtons <TButton>(IStepperHandler handler, out TButton?downButton, out TButton?upButton)
where TButton : AButton
{
downButton = (TButton)handler.CreateButton();
downButton.Focusable = true;
upButton = (TButton)handler.CreateButton();
upButton.Focusable = true;
downButton.Gravity = GravityFlags.Center;
downButton.Tag = new StepperHandlerHolder(handler);
downButton.SetOnClickListener(StepperListener.Instance);
upButton.Gravity = GravityFlags.Center;
upButton.Tag = new StepperHandlerHolder(handler);
upButton.SetOnClickListener(StepperListener.Instance);
// IMPORTANT:
// Do not be decieved. These are NOT the same characters. Neither are a "minus" either.
// The Text is a visually pleasing "minus", and the description is the phonetically correct "minus".
// The little key on your keyboard is a dash/hyphen.
downButton.Text = "－";
downButton.ContentDescription = "−";
// IMPORTANT:
// Do not be decieved. These are NOT the same characters.
// The Text is a visually pleasing "plus", and the description is the phonetically correct "plus"
// (which, unlike the minus, IS found on your keyboard).
upButton.Text = "＋";
upButton.ContentDescription = "+";
downButton.NextFocusForwardId = upButton.Id;
}
public StepperHandlerHolder(IStepperHandler handler)
{
StepperHandler = handler;
}
public static void MapValue(IStepperHandler handler, IStepper stepper)
{
handler.PlatformView?.UpdateValue(stepper);
}
public static void MapIncrement(IStepperHandler handler, IStepper stepper)
{
handler.PlatformView?.UpdateIncrement(stepper);
}
public static void MapMaximum(IStepperHandler handler, IStepper stepper)
{
handler.PlatformView?.UpdateMaximum(stepper);
}
public static void MapBackground(IStepperHandler handler, IStepper view)
{
handler.PlatformView?.UpdateBackground(view);
}
