Swift UI Special training switch switch

Switches we are familiar with, usually in the use of the iphone is often encountered, mainly used in the program to turn on or disable a setting. Its properties are relatively simple:

Status state: Open or close

What's the color when it's open?

What color is the round button?

When opening and closing, use the picture to make the button background.

As with the previous space practice, we use a label to show the state of the switch.

  @IBAction func SW (sender:uiswitch) {        if (Sender.on)        {            Label1.Text = "On"        } else {            Label1.Text = "Off" c7/>}    }

Let's run a look at the effect:

You can see that the switch is very flashy when switching.

Swift UI Special training switch switch