Swift Practice--Uistepper

Import UIKit

Class Viewcontroller:uiviewcontroller {

var stepper:uistepper!

var label:uilabel!

Override Func Viewdidload () {

Super.viewdidload ()

The Spinner (Uistepper) control contains two buttons +,-, allows the user to adjust the values according to their preference

Stepper = Uistepper.init ()

Stepper.center = Self.view.center

Set the range of stepper

Stepper.maximumvalue = 10

Stepper.minimumvalue = 1

Set the initial value

Stepper.value = 5

Set the amount of each increment

Stepper.stepvalue = 0.5

Set Stepper You can press and hold interception to change the value

Stepper.iscontinuous = True

Sets whether the stepper is cycled (and then increases from the minimum value to the maximum value)

Stepper.wraps = True

Stepper.addtarget (Self, Action: #selector (ValueChange (sender:)), for:. valuechanged)

Self.view.addSubview (Stepper)

Use the Tintcolor property to set the color of the spinner, while the add-minus symbol icon, background image, middle split line picture can be replaced by their own pictures

Replace "-" and "+" with a custom picture

Stepper.setdecrementimage (UIImage (named: "Sub.png"), for:. Normal)

Stepper.setincrementimage (UIImage (named: "Add.png"), for:. Normal)

Label=uilabel (Frame:CGRect.init (x:100, y:190, width:300, height:30))

Label.text = "Current value is: \ (stepper.value)"

Self.view.addSubview (label)

}

Func ValueChange (sender:uistepper) {

Label.text= "Current value is: \ (stepper.value)"

}

Override Func didreceivememorywarning () {

Super.didreceivememorywarning ()

Dispose of any resources the can be recreated.

}

}

Swift Practice--Uistepper