How to Use Image Picker in iOS: Swift Guide for Beginners
In this tutorial you are going to learn the basics on how to deal with UIImagePickerController to add photos from the users Photo Library into your app.
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Note: This tutorial has been updated (08/01/2018) to use Xcode 9.2, iOS 11.2, and Swift 4.
Delegate:- UIImagePickerControllerDelegate, UINavigationControllerDelegate
let imagePicker = UIImagePickerController()
//in did load
imagePicker.delegate = self
///Button Tap
let alert = UIAlertController(title: "Racecap", message: "Please Select an Option", preferredStyle: .actionSheet)
alert.addAction(UIAlertAction(title: "Choose from photos", style: .default , handler:{ (UIAlertAction)in
self.imagePicker = UIImagePickerController()
self.imagePicker.delegate = self
self.imagePicker.sourceType = .photoLibrary
self.imagePicker.allowsEditing = false
self.present(self.imagePicker, animated: true, completion: nil)
}))
alert.addAction(UIAlertAction(title: "Take a picture", style: .default , handler:{ (UIAlertAction)in
self.imagePicker = UIImagePickerController()
self.imagePicker.delegate = self
self.imagePicker.sourceType = .camera
self.imagePicker.allowsEditing = false
self.present(self.imagePicker, animated: true, completion: nil)
}))
alert.addAction(UIAlertAction(title: "Cancel", style: .cancel, handler:{ (UIAlertAction)in
}))
self.present(alert, animated: true, completion: {
print("completion block")
})
// UIImagePickerControllerDelegate Methods
func imagePickerController(_ picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [String : Any]) {
if let image = info[UIImagePickerControllerOriginalImage] as? UIImage {
imgview.image = image
} else{
print("Something went wrong")
}
dismiss(animated: true, completion: nil)
}