UIStepper
has a .value
property that you can use:
double sumTotal = stepper.value * [[textField text] doubleValue];
質問
How to multiply UIStepper value (product quantity) to textfield value (product price) and get total sum in uilabel.text?
解決
UIStepper
has a .value
property that you can use:
double sumTotal = stepper.value * [[textField text] doubleValue];