我显示一个ImagePicker后显示一个ScrollViewController（1）。
题：
从ImagePicker中拾取图像后，如何关闭
仅显示ImagePicker，以便显示ScrollViewController，然后将选择的图像传递给
ScrollViewController？
（1）呈现ScrollViewController和ImagePicker
let storyboard = UIStoryboard(name: "Main", bundle: nil)
let vc = storyboard.instantiateViewControllerWithIdentifier("ScrollViewControllerID") as! ScrollViewController
self.presentViewController(vc, animated: true) {
let imagePicker = MyImagePickerController()
imagePicker.delegate = self
imagePicker.sourceType = .PhotoLibrary
imagePicker.allowsEditing = false
imagePicker.modalTransitionStyle = UIModalTransitionStyle.CoverVertical
vc.presentViewController(imagePicker, animated: true, completion: nil)
}
ImagePicker关闭后的处理func imagePickerController(picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [String : AnyObject]) {
let myImage = info[UIImagePickerControllerOriginalImage] as! UIImage
//How to send myImage to the ScrollViewController and close ImagePicker?
}
最佳答案
MyImagePickerController
class MyImagePickerController: ... {
var controller:ScrollViewController!
convenience init(controller: ScrollViewController) {
self.init()
self.controller = controller
}
}
func imagePickerController(picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [String : AnyObject]) {
let myImage = info[UIImagePickerControllerOriginalImage] as! UIImage
controller.imageName = myImage
self.dismissViewControllerAnimated(true, completion: nil)
}
这就是您将如何应用它
let storyboard = UIStoryboard(name: "Main", bundle: nil)
let vc = storyboard.instantiateViewControllerWithIdentifier("ScrollViewControllerID") as! ScrollViewController
self.presentViewController(vc, animated: true) {
let imagePicker = MyImagePickerController(controller: vc)
imagePicker.delegate = self
imagePicker.sourceType = .PhotoLibrary
imagePicker.allowsEditing = false
imagePicker.modalTransitionStyle = UIModalTransitionStyle.CoverVertical
vc.presentViewController(imagePicker, animated: true, completion: nil)
}