ELCImagePickerController 在 swift 中不返回 viewController
ELCImagePickerController does not back to viewController in swift
我用ELCImagePickerController
来select多张照片。但是,当我 select 照片并单击“完成”按钮时,它会返回到 select 相册页面。请帮助我,所以当我 select 照片它应该回到 viewController
。
这是我使用的代码:
var picker = ELCImagePickerController(imagePicker: ())
@IBAction func ButtonIsclick(sender: AnyObject) {
picker.delegate = self
self.presentViewController(picker, animated: true, completion: nil)
}
func elcImagePickerController(picker: ELCImagePickerController!, didFinishPickingMediaWithInfo info:[AnyObject]!) {
self.dismissViewControllerAnimated(true, completion: nil)
}
func elcImagePickerControllerDidCancel(picker: ELCImagePickerController!){
self.dismissViewControllerAnimated(true, completion: nil)
}
编辑:当我调试代码时它从不调用didFinishPickingMediaWithInfo
函数
实际上我遇到这个问题是因为错误地设置了 delegate
。
在我的问题中,我将 delegate
设置为
picker.delegate = self
这是错误的。正确的做法是设置 ELCImagepickerDelegate
为
picker.imagePickerDelegate = self
我解决了 - 在下面找到完整的最终工作代码 -
问题是我必须将 ELCimagepickerdelegate 添加到 class 中,如下所示:
class ViewController: UIViewController, UINavigationControllerDelegate, ELCImagePickerControllerDelegate {
但是我以前每次这样做都会遇到错误(类型 viewcontroller 不符合协议),所以解决方案是忽略此错误,直到我在代码中添加下面的 2 个委托方法(这阻止了错误,这非常令人困惑 - 对不起,我是 swift 的新手。感谢大家试图帮助
整个工作代码:
import UIKit
import ELCImagePickerController
class ViewController: UIViewController, UINavigationControllerDelegate, ELCImagePickerControllerDelegate {
override func viewDidLoad() {
super.viewDidLoad()
// Do any additional setup after loading the view, typically from a nib.
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
var picker = ELCImagePickerController()
@IBAction func OpenPhotos(_ sender: AnyObject) {
picker.imagePickerDelegate = self
self.present(picker, animated: true, completion: nil)
}
func elcImagePickerController(_ picker: ELCImagePickerController!, didFinishPickingMediaWithInfo info: [Any]!) {
dismiss(animated: true, completion: nil)
}
func elcImagePickerControllerDidCancel(_ picker: ELCImagePickerController!) {
dismiss(animated: true, completion: nil)
}
}
我用ELCImagePickerController
来select多张照片。但是,当我 select 照片并单击“完成”按钮时,它会返回到 select 相册页面。请帮助我,所以当我 select 照片它应该回到 viewController
。
这是我使用的代码:
var picker = ELCImagePickerController(imagePicker: ())
@IBAction func ButtonIsclick(sender: AnyObject) {
picker.delegate = self
self.presentViewController(picker, animated: true, completion: nil)
}
func elcImagePickerController(picker: ELCImagePickerController!, didFinishPickingMediaWithInfo info:[AnyObject]!) {
self.dismissViewControllerAnimated(true, completion: nil)
}
func elcImagePickerControllerDidCancel(picker: ELCImagePickerController!){
self.dismissViewControllerAnimated(true, completion: nil)
}
编辑:当我调试代码时它从不调用didFinishPickingMediaWithInfo
函数
实际上我遇到这个问题是因为错误地设置了 delegate
。
在我的问题中,我将 delegate
设置为
picker.delegate = self
这是错误的。正确的做法是设置 ELCImagepickerDelegate
为
picker.imagePickerDelegate = self
我解决了 - 在下面找到完整的最终工作代码 -
问题是我必须将 ELCimagepickerdelegate 添加到 class 中,如下所示:
class ViewController: UIViewController, UINavigationControllerDelegate, ELCImagePickerControllerDelegate {
但是我以前每次这样做都会遇到错误(类型 viewcontroller 不符合协议),所以解决方案是忽略此错误,直到我在代码中添加下面的 2 个委托方法(这阻止了错误,这非常令人困惑 - 对不起,我是 swift 的新手。感谢大家试图帮助
整个工作代码:
import UIKit
import ELCImagePickerController
class ViewController: UIViewController, UINavigationControllerDelegate, ELCImagePickerControllerDelegate {
override func viewDidLoad() {
super.viewDidLoad()
// Do any additional setup after loading the view, typically from a nib.
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
var picker = ELCImagePickerController()
@IBAction func OpenPhotos(_ sender: AnyObject) {
picker.imagePickerDelegate = self
self.present(picker, animated: true, completion: nil)
}
func elcImagePickerController(_ picker: ELCImagePickerController!, didFinishPickingMediaWithInfo info: [Any]!) {
dismiss(animated: true, completion: nil)
}
func elcImagePickerControllerDidCancel(_ picker: ELCImagePickerController!) {
dismiss(animated: true, completion: nil)
}
}