我正在尝试从相机获取图像并使用swift 3.0在imageview中显示，但它仅显示白色背景。图像已成功上传到我的服务器。在iPAD上它甚至没有打开相机应用程序。下面是我的代码：我是新来的，请让我知道我在做什么错误。
import UIKit
import Alamofire
import SwiftyJSON
import AlamofireImage
class RadiologyViewController:UIViewController,UIImagePickerControllerDelegate,UINavigationControllerDelegate,UITextViewDelegate{
@IBOutlet weak var indicator1: UIActivityIndicatorView!
@IBOutlet weak var name : UILabel!
@IBOutlet weak var mobile: UILabel!
@IBOutlet weak var gender: UILabel!
@IBOutlet weak var age : UILabel!
@IBOutlet weak var indicator4: UIActivityIndicatorView!
@IBOutlet weak var indicator3: UIActivityIndicatorView!
@IBOutlet weak var indicator2: UIActivityIndicatorView!
@IBOutlet weak var pic4text: UITextView!
@IBOutlet weak var pic3text: UITextView!
@IBOutlet weak var pic2text: UITextView!
@IBOutlet weak var pictext1: UITextView!
// WHICH SHOW BUTTON YOU WANT TO SHOW YOU HAVE TO CHANGE HEIGHT CONSTRAINT //
// conPic1height = conPic1height - 20 - UN HIDE BUTTON BY TAKING ITS OUTLET//
@IBOutlet weak var conPic1height: NSLayoutConstraint!
@IBOutlet weak var conPic2height: NSLayoutConstraint!
@IBOutlet weak var conPic3height: NSLayoutConstraint!
@IBOutlet weak var conPic4height: NSLayoutConstraint!
@IBOutlet weak var pic4: UIImageView!
@IBOutlet weak var pic3: UIImageView!
@IBOutlet weak var pic2: UIImageView!
@IBOutlet weak var pic1: UIImageView!
@IBOutlet weak var complain: UILabel!
@IBOutlet weak var explain : UILabel!
@IBOutlet weak var date : UILabel!
@IBOutlet weak var btnShowPic4: UIButton!
@IBOutlet weak var btnShowPic3: UIButton!
@IBOutlet weak var btnShowPic2: UIButton!
@IBOutlet weak var btnShowPic1: UIButton!
var patient : Patients? = nil;
var username : String? = nil;
var picNumber : Int = 0;
var pic1path : String = "";
var pic2path : String = "";
var pic3path : String = "";
var pic4path : String = "";
var strLabel = UILabel()
var indicator = UIActivityIndicatorView()
let effectView = UIVisualEffectView(effect: UIBlurEffect(style: .dark))
override func viewDidLoad() {
super.viewDidLoad()
self.navigationController?.isNavigationBarHidden = true
if patient != nil {
name.text = patient?.patientName;
age.text = "Age: "+(patient?.patientAge)!;
gender.text = "Gender: "+(patient?.patientGender)!;
mobile.text = "Mobile: "+(patient?.patientMobile)!;
date.text = "Date: "+(patient?.patientDate)!;
complain.text = "Complaint: " + "\(self.makeComplainText(complain: (patient?.patientComplaint)!))";
explain.text = "Explain: "+(patient?.patientExplainComplaint)!;
}
let defaults1 = UserDefaults.standard
let user = defaults1.object(forKey: "user") as? NSData
let responseData = NSKeyedUnarchiver.unarchiveObject(with: user! as Data) as? ResponseModel
if responseData != nil {
if responseData?.profile != nil {
username = responseData?.profile[0].userName;
}
}
pictext1.delegate = self
pic2text.delegate = self
pic3text.delegate = self
pic4text.delegate = self
pic1path = (patient?.patientPic1)!;
pic2path = (patient?.patientPic2)!;
pic3path = (patient?.patientPic3)!;
pic4path = (patient?.patientPic4)!;
pictext1.text = patient?.patientPictxt1;
pic2text.text = patient?.patientPictxt2;
pic3text.text = patient?.patientPictxt3;
pic4text.text = patient?.patientPictxt4;
let tapFirstGestureRecognizer = UITapGestureRecognizer(target: self, action: #selector(imageTapped1(_:)))
pic1.isUserInteractionEnabled = true
pic1.addGestureRecognizer(tapFirstGestureRecognizer)
let tapSecondGestureRecognizer = UITapGestureRecognizer(target: self, action: #selector(imageTapped2(_:)))
pic2.isUserInteractionEnabled = true
pic2.addGestureRecognizer(tapSecondGestureRecognizer)
let tapThirdGestureRecognizer = UITapGestureRecognizer(target: self, action: #selector(imageTapped3(_:)))
pic3.isUserInteractionEnabled = true
pic3.addGestureRecognizer(tapThirdGestureRecognizer)
let tapFourGestureRecognizer = UITapGestureRecognizer(target: self, action: #selector(imageTapped4(_:)))
pic4.isUserInteractionEnabled = true
pic4.addGestureRecognizer(tapFourGestureRecognizer)
if patient?.patientPic1 != "" {
pic1.image = nil;
setImage(imageview: pic1, url: (patient?.patientPic1)!,indicator:indicator1)
showFirstButton(show: false)
} else {
showFirstButton(show: true)
indicator1.isHidden = true
}
if patient?.patientPic2 != "" {
pic2.image = nil;
showSecondButton(show: false)
setImage(imageview: pic2, url: (patient?.patientPic2)!,indicator:indicator2)
} else {
showSecondButton(show: true)
indicator2.isHidden = true
}
if patient?.patientPic3 != "" {
pic3.image = nil;
showThreeButton(show: false)
setImage(imageview: pic3, url: (patient?.patientPic3)!,indicator:indicator3)
} else {
showThreeButton(show: true)
indicator3.isHidden = true
}
if patient?.patientPic4 != "" {
pic4.image = nil;
showFourButton(show: false)
setImage(imageview: pic4, url: (patient?.patientPic4)!,indicator:indicator4)
} else {
showFourButton(show: true)
indicator4.isHidden = true
}
let tapKeuboardDismissGestureRecognizer = UITapGestureRecognizer(target: self, action: #selector(dismissKeyboard(_:)))
view.isUserInteractionEnabled = true
view.addGestureRecognizer(tapKeuboardDismissGestureRecognizer)
// Do any additional setup after loading the view.
}
func textView(_ textView: UITextView, shouldChangeTextIn range: NSRange, replacementText text: String) -> Bool {
if text == "\n" // Recognizes enter key in keyboard
{
textView.resignFirstResponder()
return false
}
return true
}
func dismissKeyboard(_ sender: UITapGestureRecognizer) {
view.endEditing(true)
}
func imageTapped1(_ sender: UITapGestureRecognizer) {
if (sender.view as? UIImageView) != nil {
print("Image Tapped")
picNumber = 1;
showActionSheet()
}
}
func imageTapped2(_ sender: UITapGestureRecognizer) {
if (sender.view as? UIImageView) != nil {
print("Image Tapped")
picNumber = 2;
showActionSheet()
}
}
func imageTapped3(_ sender: UITapGestureRecognizer) {
if (sender.view as? UIImageView) != nil {
print("Image Tapped")
picNumber = 3;
showActionSheet()
}
}
func imageTapped4(_ sender: UITapGestureRecognizer) {
if (sender.view as? UIImageView) != nil {
print("Image Tapped")
picNumber = 4;
showActionSheet()
}
}
func camera()
{
let myPickerController = UIImagePickerController()
myPickerController.delegate = self;
myPickerController.allowsEditing = false
myPickerController.sourceType = UIImagePickerControllerSourceType.camera
myPickerController.cameraCaptureMode = .photo
myPickerController.modalPresentationStyle = .fullScreen
self.present(myPickerController, animated: true, completion: nil)
}
func photoLibrary()
{
let myPickerController = UIImagePickerController()
myPickerController.delegate = self;
myPickerController.sourceType = UIImagePickerControllerSourceType.photoLibrary
self.present(myPickerController, animated: true, completion: nil)
}
func showActionSheet() {
let actionSheet = UIAlertController(title: nil, message: nil, preferredStyle: UIAlertControllerStyle.actionSheet)
actionSheet.addAction(UIAlertAction(title: "Camera", style: UIAlertActionStyle.default, handler: { (alert:UIAlertAction!) -> Void in
self.camera()
}))
actionSheet.addAction(UIAlertAction(title: "Gallery", style: UIAlertActionStyle.default, handler: { (alert:UIAlertAction!) -> Void in
self.photoLibrary()
}))
actionSheet.addAction(UIAlertAction(title: "Cancel", style: UIAlertActionStyle.cancel, handler: nil))
// if (UIDevice.current.userInterfaceIdiom == .pad) {
// let popover = actionSheet.popoverPresentationController
// popover?.sourceRect = self.view.bounds
// popover?.sourceView = self.pic1
// popover?.permittedArrowDirections = .any
// self.present(actionSheet, animated: true, completion: nil)
// } else {
self.present(actionSheet, animated: true, completion: nil)
//}
}
@IBAction func btnpic3Click(_ sender: Any) {
var profileStoryBoard: UIStoryboard!
profileStoryBoard = UIStoryboard(name:"\(Helper.manageStoryBoardName())ShowImage",bundle: nil)
let viewcontroller : ImageShowViewController = profileStoryBoard.instantiateViewController(withIdentifier: "ImageShowViewController") as! ImageShowViewController
viewcontroller.url = pic3path
self.present(viewcontroller, animated: false)
}
@IBAction func btnpic4Click(_ sender: Any) {
var profileStoryBoard: UIStoryboard!
profileStoryBoard = UIStoryboard(name:"\(Helper.manageStoryBoardName())ShowImage",bundle: nil)
let viewcontroller : ImageShowViewController = profileStoryBoard.instantiateViewController(withIdentifier: "ImageShowViewController") as! ImageShowViewController
viewcontroller.url = pic4path
self.present(viewcontroller, animated: false)
}
@IBAction func btnpic1Click(_ sender: UIButton) {
var profileStoryBoard: UIStoryboard!
profileStoryBoard = UIStoryboard(name:"\(Helper.manageStoryBoardName())ShowImage",bundle: nil)
let viewcontroller : ImageShowViewController = profileStoryBoard.instantiateViewController(withIdentifier: "ImageShowViewController") as! ImageShowViewController
viewcontroller.url = pic1path
self.present(viewcontroller, animated: false)
}
@IBAction func btnpic2Click(_ sender: UIButton) {
var profileStoryBoard: UIStoryboard!
profileStoryBoard = UIStoryboard(name:"\(Helper.manageStoryBoardName())ShowImage",bundle: nil)
let viewcontroller : ImageShowViewController = profileStoryBoard.instantiateViewController(withIdentifier: "ImageShowViewController") as! ImageShowViewController
viewcontroller.url = pic2path
self.present(viewcontroller, animated: false)
}
func imagePickerController(_ picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [String : Any]) {
if picNumber == 1 {
pic1.image = info[UIImagePickerControllerOriginalImage] as? UIImage
uploadImage(image: (info[UIImagePickerControllerOriginalImage] as? UIImage)!)
} else if picNumber == 2 {
pic2.image = info[UIImagePickerControllerOriginalImage] as? UIImage
uploadImage(image: (info[UIImagePickerControllerOriginalImage] as? UIImage)!)
} else if picNumber == 3 {
pic3.image = info[UIImagePickerControllerOriginalImage] as? UIImage
uploadImage(image: (info[UIImagePickerControllerOriginalImage] as? UIImage)!)
} else {
pic4.image = info[UIImagePickerControllerOriginalImage] as? UIImage
uploadImage(image: (info[UIImagePickerControllerOriginalImage] as? UIImage)!)
}
self.dismiss(animated: true, completion: nil)
}
func uploadImage(image:UIImage) -> Void {
if Reachability.isConnectedToNetwork() == true {
self.showLoading(title: "uploding image");
let imgData = UIImageJPEGRepresentation(image, 0.2)!
var path :String = "";
let parameters = ["username": username]
Alamofire.upload(multipartFormData: { multipartFormData in
multipartFormData.append(imgData, withName: "images",fileName: "file.jpg", mimeType: "image/jpg")
for (key, value) in parameters {
multipartFormData.append((value?.data(using: String.Encoding.utf8)!)!, withName: key)
}
},
to:"http://www.dentalsa.net/api/api.php?method=radiaolog_image_update")
{ (result) in
switch result {
case .success(let upload, _, _):
upload.responseJSON { response in
self.hideLoading()
let value = response.result.value
let jsonResponse = JSON(value)
let status = jsonResponse["status"].stringValue
let message = jsonResponse["message"].stringValue
if status == "false" {
self.showAlerError(titleText: "Error", messagetext: message);
}
path = jsonResponse["path"].stringValue
if self.picNumber == 1 {
self.pic1path = path
} else if self.picNumber == 2 {
self.pic2path = path
} else if self.picNumber == 3 {
self.pic3path = path
} else if self.picNumber == 4 {
self.pic4path = path
}
print("ImagePath"+path)
}
case .failure(let encodingError):
print(encodingError)
}
}
} else {
self.showAlerError(titleText: "Error", messagetext: "Please check Internet connectivity");
}
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
func makeComplainText(complain:String) -> String {
let characters = Array(complain.characters);
var data="";
if characters[0] == "1" {
data += "Check-Up, ";
}
if characters[1] == "1" {
data += "Teeth Cleaning, ";
}
if characters[2] == "1" {
data += "Periodontal Treatment, ";
}
if characters[3] == "1" {
data += "Dental Fillings, ";
}
if characters[4] == "1" {
data += "Prothesis, ";
}
if characters[5] == "1" {
data += "Extraction, ";
}
if characters[6] == "1" {
data += "Hollywoods smile, ";
}
if characters[7] == "1" {
data += "Children's Teeth, ";
}
if characters[8] == "1" {
data += "Bleaching, ";
}
return data;
}
@IBAction func saveClick(_ sender: UIButton) {
let netowrk = NetworkCall();
if Reachability.isConnectedToNetwork() == true {
self.showLoading(title: "Please wait")
netowrk.radiologyUpdate(username: username!,patientId: (patient?.patientID)!,picText1: pictext1.text!,picText2: pic2text.text!,picText3: pic3text.text!,picText4: pic4text.text!,pic1:pic1path,pic2:pic2path,pic3:pic3path,pic4:pic4path) { responseObject in
self.hideLoading()
if responseObject.status == "true" {
print("Success view controller");
self.showAlerError(titleText: "Success", messagetext: "Details saved Successfully");
} else {
self.showAlerError(titleText: "Error", messagetext: responseObject.message!);
}
return
}
} else {
self.showAlerError(titleText: "Error", messagetext: "Please check Internet connectivity");
}
}
func showLoading(title: String) {
strLabel.removeFromSuperview()
indicator.removeFromSuperview()
effectView.removeFromSuperview()
strLabel = UILabel(frame: CGRect(x: 50, y: 0, width: 160, height: 46))
strLabel.text = title
strLabel.font = UIFont.systemFont(ofSize: 14, weight: UIFontWeightMedium)
strLabel.textColor = UIColor(white: 0.9, alpha: 0.7)
effectView.frame = CGRect(x: view.frame.midX - strLabel.frame.width/2, y: view.frame.midY - strLabel.frame.height/2 , width: 160, height: 46)
effectView.layer.cornerRadius = 15
effectView.layer.masksToBounds = true
indicator = UIActivityIndicatorView(activityIndicatorStyle: .white)
indicator.frame = CGRect(x: 0, y: 0, width: 46, height: 46)
indicator.startAnimating()
effectView.addSubview(indicator)
effectView.addSubview(strLabel)
view.addSubview(effectView)
}
func setImage(imageview :UIImageView,url:String,indicator:UIActivityIndicatorView) -> Void {
Alamofire.request("http://www.dentalsa.net"+url).responseImage { response in
if let image = response.result.value {
indicator.isHidden = true
imageview.image = image
}
}
}
func hideLoading() {
self.effectView.removeFromSuperview()
//indicator.stopAnimating()
}
func showAlerError(titleText:String,messagetext:String) {
let alertController = UIAlertController(title: titleText, message:
messagetext, preferredStyle: UIAlertControllerStyle.alert)
alertController.addAction(UIAlertAction(title: "Dismiss", style: UIAlertActionStyle.default,handler: nil))
self.present(alertController, animated: true, completion: nil)
}
@IBAction func backClick(_ sender: UIButton) {
_ = self.navigationController?.popViewController(animated: true)
}
func showFirstButton(show :Bool){
//conPic1height.constant = 150
btnShowPic1.isHidden = show
self.view.layoutIfNeeded()
}
func showSecondButton(show :Bool){
//conPic1height.constant = 150
btnShowPic2.isHidden = show
self.view.layoutIfNeeded()
}
func showThreeButton(show :Bool){
//conPic1height.constant = 150
btnShowPic3.isHidden = show
self.view.layoutIfNeeded()
}
func showFourButton(show :Bool){
//conPic1height.constant = 150
btnShowPic4.isHidden = show
self.view.layoutIfNeeded()
}
/*
// MARK: - Navigation
// In a storyboard-based application, you will often want to do a little preparation before navigation
override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
// Get the new view controller using segue.destinationViewController.
// Pass the selected object to the new view controller.
}
*/
}
我需要从iphone和iPad上的相机和图库中捕捉图像。我不知道我在这里面临的问题是什么。