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How to make a background 25% transparent on iOS
Apple provides backgroundColor which is an instance property, Changes to this property can be animated. The default value is nil, which results in a transparent background color.
To make background 25% transparent we should set the view to the UIColor with alpha 0.25
view.backgroundColor = UIColor(white: 1, alpha: 0.25)
You can write the following code in your ViewController’s viewDidLoad method.
Your code should look like below.
override func viewDidLoad() {
super.viewDidLoad()
view.backgroundColor = UIColor(white: 1, alpha: 0.25)
}
Updated on 30-Jul-2019 22:30:26
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