public override void UpdateViewConstraints()
{
// update is used only when updating the constant value
growingButton.UpdateConstraints(make =>
{
make.Center.EqualTo(View);
make.Width.EqualTo(NSNumber.FromNFloat(buttonSize.Width)).PriorityLow();
make.Height.EqualTo(NSNumber.FromNFloat(buttonSize.Height)).PriorityLow();
make.Width.LessThanOrEqualTo(View);
make.Height.LessThanOrEqualTo(View);
});
// remake is used when changing constraints
movingButton.RemakeConstraints(make =>
{
make.Height.EqualTo(NSNumber.FromNFloat(100));
make.Width.EqualTo(movingButton.Height()).MultipliedBy(2.0f);
if (topLeft)
{
make.Left.EqualTo(View.Left());
make.Top.EqualTo(View.Top());
}
else
{
make.Right.EqualTo(View.Right());
make.Bottom.EqualTo(View.Bottom());
}
});
base.UpdateViewConstraints();
}