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Switch1.addTarget(self, action: #selector(turnSecondSwitch), for: ) Register a function to process second UISwitch's value changed event. The second UISwitch is turned on by default. The second UISwitch is located below the first one. The same actions are available in the Product. Hold down modifier keys option, shift, and control for more variants. Click & hold to see the other actions, Test (U), Profile (I), and Analyze (B). Set the second UISwitch object's x, y location value. Click the Run button in the toolbar (or press R) to build & run your project. XCode Tutorial Practice 2: Buttons, Textboxes and Handling User Interaction. Let switch0Frame: CGRect = `switch`.frame You can do Buid & Go and even debug directly on the device.storyboard that.
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Get the first UISwitch object's x, y location value. Reference to the UISwitch in weak var `switch`: UISwitch! Reference to the test weak var label: UILabel! This UISwitch object is create programmatically in source code. If you have any question, please add comments.
#Interface builder tutorial xcode 8 how to
You can see the below swift source code to know how to create the second UISwitch UI component programmatically. Then write the below source code in the ViewController.swift class file to create the second UISwitch object programmatically.Connect the label and UISwitch UI component to the ViewController class’s instance variables, and add a function to process the UISwitch value changed event ( How To Connect Storyboard UI Component To ViewController Class Code ).And add constraints to them to make them auto-layout responsively ( How To Add Constraints In Xcode 10 To Implement Auto Layout, iOS Auto Layout With Constraint Example ). Click to edit the Main.storyboard file, add one label and one UISwitch UI component in it ( How To Display Xcode Library, Assistant Editor, Inspectors Window ).Create an Xcode project using the Single View App template.(Actually Xcode 7.0 had exactly the same problem in the beginning. When the storyboard is closed and re-read from a file, the issue appears again. So if you fix misplaced views in Xcode 8.0, the problem is gone for as long as the storyboard stays in RAM. If you can not see the above video, you can see it in the youtube URL 1. Xcode 8.0 has the bug, that it does not save the rects from the storyboard xml-s.