[英]UIImagePickerController back button/cancel button is not visible
我用UIImagePickerController显示了手机的图库,但是上面没有后退/取消按钮。 如何添加一个?
我所拥有的(在UIViewController内部):
func openGallery() {
let picker = UIImagePickerController()
picker.allowsEditing = false
picker.sourceType = .photoLibrary
picker.mediaTypes =
UIImagePickerController.availableMediaTypes(for: .photoLibrary)!
present(picker, animated: true, completion: nil)
}
当我运行它时,我得到了图片库,但是顶部通常没有取消按钮。
实现UIImagePickerControllerDelegate , UINavigationControllerDelegate
并创建一个变量以分配UIImagePickerController var imagePicker = UIImagePickerController()
并设置imagePicker.delegate = self
。
func openGallary()
{
imagePicker.sourceType = UIImagePickerControllerSourceType.photoLibrary
imagePicker.allowsEditing = true
self.present(imagePicker, animated: true, completion: nil)
}
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