I am trying to dismiss the view. I have been able to add a target to the button which brings up an action sheet that let's user choose their photo from the library. However after I "choose" an image the view doesn't get dismissed.
Here is what's inside my the didFinishPickingMediaWithInfo:
func imagePickerController(_ picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [String : Any]) {
var chosenImage = UIImage()
chosenImage = info[UIImagePickerControllerOriginalImage] as! UIImage
profileImageView.image = chosenImage
// This doesn't work...
self.window?.rootViewController?.dismiss(animated: true, completion: nil)
print("Should dismiss")
}
I present the alertController like this:
self.window?.rootViewController?.present(alertController, animated: true, completion: nil)
You are presenting and dismissing the UIImagePickerController correctly. The issue must be with how you are presenting it and which view controller is on the top of the stack when you dismiss it. Try presenting it on the current ViewController that contains the delegate.
Related
I have a button in 1st ViewController(ViewControllerA) on button click I have presented another viewController(ViewControllerB)(for pop UP , modalPresentationStyle is overCurrentContext) in this view controller I have logic to pick an image. Everything is working fine but when I Picked Image it dismissing both viewController and ImagePickerController.how to solve this?
//Presentin PopUPViewController from 1st view controller
//ViewControllerA.swift
let vc = storyboard?.instantiateViewController(withIdentifier: "VehicleDetailsViewController") as! VehicleDetailsViewController
vc.modalPresentationStyle = .overCurrentContext
present(vc, animated: true, completion: nil)
//imagePickerControllerDelegate method
func imagePickerController(_ picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [UIImagePickerController.InfoKey : Any]) {
let pickedImage = info[UIImagePickerController.InfoKey.originalImage] as! UIImage
self.vehiclePhoto.image = pickedImage
self.vehiclePhoto.contentMode = .scaleAspectFill
dismiss(animated: true, completion: nil)
}
I have a UIImageView that has my "profile image" inside. When I tap on this, it calls a function that presents my UIImagePickerController. This works fine. My issue is that my delegate methods simple aren't being called. When I add breakpoints, it doesn't hit them at all. I have used the exact same method elsewhere in my project and it works fine so there's nothing wrong with my info.plist file. Does anybody know what I'm doing wrong? Thank you...
extension ChatLogController: UIImagePickerControllerDelegate, UINavigationControllerDelegate {
func imagePickerControllerDidCancel(_ picker: UIImagePickerController) {
self.dismiss(animated: true, completion: nil)
}
func imagePickerController(_ picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [String : Any]) {
let image = info[UIImagePickerControllerOriginalImage] as! UIImage
profileImageView.image = image
self.dismiss(animated: true, completion: nil)
}
#objc func handlePresentImagePicker() {
let imagePicker = UIImagePickerController()
imagePicker.delegate = self
imagePicker.sourceType = .photoLibrary
self.present(imagePicker, animated: true, completion: nil)
}
}
I realised that the issue was that I was using a custom transition (a transition that involved me being able to swipe right to dismiss my controller). Once I commented all of the code related to that, everything worked fine. Very unfortunate that I have to get rid of my transition but hey, it now works!
So right now I am trying to get the collection view Cells to use the photo library to update photos. Here is my code:
import UIKit
class viewCellVC: UICollectionViewCell, UIImagePickerControllerDelegate, UINavigationControllerDelegate {
#IBOutlet var bookImage: UIImageView!
#IBAction func addImage(_ sender: Any) {
let imagePicker = UIImagePickerController()
imagePicker.delegate = self
imagePicker.sourceType = UIImagePickerControllerSourceType.photoLibrary
imagePicker.allowsEditing = false
self.window?.rootViewController?.present(imagePicker, animated: true, completion: nil)
}
func imagePickerControllerDidCancel(_ picker: UIImagePickerController) {
picker.dismiss(animated: true, completion: nil)
}
func imagePickerController(_ picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [String : Any]) {
let image = info[UIImagePickerControllerOriginalImage] as! UIImage
bookImage.image = image
picker.dismiss(animated: true, completion: nil)
}
}
However, when I attempt to run the code and update the pictures, the simulator fails to open the photo library and I instead get the following error message(doesn't end the app, just fails to run the photo library):
2017-08-07 21:35:31.709183-0500 ChuBookElf[2817:66569] Warning: Attempt to present <UIImagePickerController: 0x7f907e0bf800> on <ChuBookElf.ViewController: 0x7f907de072c0> whose view is not in the window hierarchy!
Can somebody tell my what I am doing wrong? I've been on this for hours now.
For Reference, here is what the collection view cell looks like
For starters, you are creating the imagePicker in a UICollectionViewCell.
You should create the imagePicker in the ViewController that contains the said UICollectionView along with the delegate methods. Then, in didFinishPickingMediaWithInfo, set the selected image to the appropriate collectionViewCell and reload your collectionView
So I am inside a navigation controller and would like to present an image picker upon a button press. That works fine, but when I dismiss the picker it throws me back to the root view controller, and not where I want to process the image.
This is my code:
#IBAction func attachPhotoButtonPressed(sender: UIButton) {
imagePicker.sourceType = .SavedPhotosAlbum
presentViewController(imagePicker, animated: true, completion: nil)
}
func imagePickerController(picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [String : AnyObject]) {
if let image = info[UIImagePickerControllerOriginalImage] as? UIImage {
print("Success")
} else{
print("Something went wrong")
}
self.dismissViewControllerAnimated(true, completion: nil)
}
I already looked at these questions, but didn't find a fix. (Not an objective-C guy)
Pushing a navigation controller is not supported- performing segues
presenting ViewController with NavigationViewController swift
Pushing a navigation controller is not supported
The reason that you're bouncing to the root view controller is because this line
self.dismissViewControllerAnimated(true, completion: nil)
is dismissing the parent view (self), and not the picker view. So assuming that you have a reference to your picker, then you should be calling
picker.dismissViewControllerAnimated(true, completion: nil)
I just had the same problem as you and I'm doing this as an alternative :
// Custom class : see below.
private let imagePicker = ImagePickerViewCustomController()
#IBAction func openPicker(_ sender: Any) {
// Hide the navigation bar when the picker is opened
navigationController!.setNavigationBarHidden(true, animated: false)
// Add it as a subview
addChild(imagePicker)
view.addSubview(imagePicker.view)
}
I have a subclass of UIImagePickerController that hides the status bar.
The content of the scrollView in the picker scroll over the status bar otherwise.
class ImagePickerViewCustomController: UIImagePickerController {
override func viewDidLoad() {
super.viewDidLoad()
UIApplication.shared.isStatusBarHidden = true
}
}
And finally handle delegate methods by dismissing the picker by this way :
extension UIViewController : UIImagePickerControllerDelegate, UINavigationControllerDelegate {
func imagePickerController(_ picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [UIImagePickerController.InfoKey : Any]){
dismissPicker(picker: picker)
}
func imagePickerControllerDidCancel(_ picker: UIImagePickerController) {
dismissPicker(picker: picker)
}
private func dismissPicker(picker : UIImagePickerController){
picker.view!.removeFromSuperview()
picker.removeFromParent()
navigationController?.setNavigationBarHidden(false, animated: false)
UIApplication.shared.isStatusBarHidden = false
}
}
I am trying to make an image uploader on my ios app.
EDIT 7
This question is now more clearly asked here: Present Modal for Image Select Erases UI
END OF EDIT 7
The first thing I am trying to do is enable the user to select an image that they want for upload.
EDIT 6
I have simplified all the code to simply one button press. The Modal presentation deletes the previous page's UI. How I prevent this.
import UIKit
class AddImageToStandViewController: UIViewController {
override func viewDidLoad() {
super.viewDidLoad()
}
#IBAction func loadImageButtonTapped(sender: UIButton) {
let imagePicker = UIImagePickerController()
imagePicker.allowsEditing = false
imagePicker.sourceType = .PhotoLibrary
self.presentViewController(imagePicker, animated: true, completion: nil)
}
}
I have found that the selection works just fine and does not destroy the UI if I push/segue from a different to this controller.
END OF EDIT 6
Below this is the other methods that I have tried before this
So far, this code enables a user to press a button and choose a photo from their photos. But, after they click the photo it just returns them to an empty View except the navbar at the bottom.
It seems my user is being returned, not to the view that they came from, but to a separate empty view. How do I return the user to the view that they came from?
import UIKit
class CreateStandViewController: UIViewController, UIImagePickerControllerDelegate, UINavigationControllerDelegate {
#IBOutlet var image: UIImageView!
...
#IBAction func selectPicture(sender: AnyObject) {
let ImagePicker = UIImagePickerController()
ImagePicker.delegate = self
ImagePicker.sourceType = UIImagePickerControllerSourceType.PhotoLibrary
self.presentViewController(ImagePicker, animated: true, completion: nil)
}
func imagePickerController(picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [String : AnyObject]) {
image.image = info[UIImagePickerControllerOriginalImage] as? UIImage
self.dismissViewControllerAnimated(true, completion: nil)
}
...
let me know if there is any more information that I should give.
EDIT 1
this code has the same effect
func imagePickerController(picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [String : AnyObject]) {
image.image = info[UIImagePickerControllerOriginalImage] as? UIImage
picker.dismissViewControllerAnimated(true, completion: nil)
}
I have tried adding this line below but I get an error stating that CreateStandViewController.Type cannot be converted to the expected UIViewController.
self.presentViewController(CreateStandViewController, animated: true, completion: nil)
EDIT 2
This code below doesnt error but also changes nothing
let createStandController = CreateStandViewController()
self.presentViewController(createStandController, animated: true, completion: nil)
EDIT 3
I have literally copied all the code from here: http://www.codingexplorer.com/choosing-images-with-uiimagepickercontroller-in-swift/ and now have:
import UIKit
class CreateStandViewController: UIViewController, UIImagePickerControllerDelegate, UINavigationControllerDelegate {
#IBOutlet var imageView: UIImageView!
let imagePicker = UIImagePickerController()
#IBAction func loadImageButtonTapped(sender: UIButton) {
imagePicker.allowsEditing = false
imagePicker.sourceType = .PhotoLibrary
presentViewController(imagePicker, animated: true, completion: nil)
}
override func viewDidLoad() {
super.viewDidLoad()
imagePicker.delegate = self
}
// MARK: - UIImagePickerControllerDelegate Methods
func imagePickerController(picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [String : AnyObject]) {
if let pickedImage = info[UIImagePickerControllerOriginalImage] as? UIImage {
imageView.contentMode = .ScaleAspectFit
imageView.image = pickedImage
}
dismissViewControllerAnimated(true, completion: nil)
}
func imagePickerControllerDidCancel(picker: UIImagePickerController) {
dismissViewControllerAnimated(true, completion: nil)
}
}
This has the same issue as before. When the image is selected I am sent back to a view that is white with the navbar at the bottom.
EDIT 4
I have run the same code in its own separate project as a stand alone view controller and it works. There is some code that I have in the background of my app that is killing the functionality of the code (maybe). I am guessing it may have something to do with the navbar?
EDIT 5
I removed the tab bar at the bottom by seguing to the image selecting view via a present Modally segue, but it had no effect.
Just replace your
self.dismissViewControllerAnimated(true, completion: nil)
with
picker.dismissViewControllerAnimated(true, completion: nil)
I think you will get the point after that