//TODO: Step 13 - Listen for the Checkmark gesture
protected void WireUpCheckmarkGestureRecognizer()
{
// create the recognizer
checkmarkGesture = new CheckmarkGestureRecognizer();
// wire up the event handler
checkmarkGesture.AddTarget(() =>
{
//TODO: Step 14 - Check the state of the gesture
if (checkmarkGesture.State != UIGestureRecognizerState.Recognized ||
checkmarkGesture.State != UIGestureRecognizerState.Ended)
{
return;
}
BeginInvokeOnMainThread(() =>
{
imgCheckmark.Image = UIImage.FromBundle(
isChecked
? "Images/CheckBox_Checked.png"
: "Images/CheckBox_Unchecked.png");
});
isChecked = !isChecked;
});
//TODO: Step 15 - Add the gesture to the view
View.AddGestureRecognizer(checkmarkGesture);
}
protected void WireUpCheckmarkGestureRecognizer()
{
// create the recognizer
checkmarkGesture = new CheckmarkGestureRecognizer();
// wire up the event handler
checkmarkGesture.AddTarget(() => {
if (checkmarkGesture.State == (UIGestureRecognizerState.Recognized | UIGestureRecognizerState.Ended))
{
if (isChecked)
{
imgCheckmark.Image = UIImage.FromBundle("Images/CheckBox_Unchecked.png");
}
else
{
imgCheckmark.Image = UIImage.FromBundle("Images/CheckBox_Checked.png");
}
isChecked = !isChecked;
}
});
// add the gesture recognizer to the view
View.AddGestureRecognizer(checkmarkGesture);
}