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Can i use photo for keyboard input in my app
now ,i can use camera for input, but ,maybe user want to use some photo for keyboard input. why can't i open photo library when i open camera. class ViewController: UIViewController {     @IBOutlet weak var contentLabel: UILabel!     @IBOutlet weak var inputTextField: UITextField!     @IBOutlet weak var cameraButtonView: UIView!          override func viewDidLoad() {         super.viewDidLoad()         let textFromCamera = UIAction.captureTextFromCamera(responder: contentLabel, identifier: nil)         let cameraButton = UIButton(primaryAction: textFromCamera)         cameraButton.frame = cameraButtonView.bounds         cameraButton.setTitle("", for: .normal)         cameraButton.setImage(.init(systemName: "camera.fill"), for: .normal)         cameraButtonView.addSubview(cameraButton)     } } extension UILabel: UIKeyInput {     public var hasText: Bool {         text != nil && text!.count > 0     }     public func insertText(_ text: String) {         self.text = text     }     public func deleteBackward() { } }
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Jun ’21
How to dynamically change the height of the section or group
How to dynamically change the height of the section or group when i use UICollectionViewCompositionalLayout. For example, i want to change the first section's height when i scroll the collectionview up. I can use the following code to achieve, but this looks very bad. // in didScroll callback collectionView.setCollectionViewLayout(currentCollectionViewLayout(), animated: true)
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Jun ’20