トップに関する質問 Swift：Directory内に保存した複数JPEGデータを一括送信したい

編集履歴

質問編集履歴

コード編集

2017/07/07 03:19

投稿

fujico23

スコア13

test CHANGED Viewed

File without changes

test CHANGED Viewed

@@ -25,12 +25,6 @@
 ###該当のソースコード
 ```Swift
-    func tappedSentToServerButton(_ sender: UIButton) {
@@ -64,33 +58,7 @@
                 return datas
-                let myConfig: URLSessionConfiguration = URLSessionConfiguration.default
-                let url: NSURL = NSURL(string: "http://***.php")
-                var request: URLRequest = URLRequest(url: url as URL)
-                request.httpMethod = "POST"
-                let session: URLSession = URLSession(configuration: myConfig, delegate: self, delegateQueue: OperationQueue.main)
-                let task: URLSessionUploadTask = session.uploadTask(with: request, from: datas as Data)
-                task.resume()
-            } catch {
-                return nil
-            }
         }
-    }

コードの編集

2017/07/07 03:18

投稿

fujico23

スコア13

test CHANGED Viewed

File without changes

test CHANGED Viewed

@@ -26,339 +26,7 @@
 ```Swift
-import UIKit
-import AVFoundation
-class ViewController: UIViewController, UIGestureRecognizerDelegate, URLSessionTaskDelegate {
-    var appDelegate: AppDelegate = UIApplication.shared.delegate as! AppDelegate
-    var mySession : AVCaptureSession!
-    var myDevice : AVCaptureDevice
-    var myImageOutput: AVCaptureStillImageOutput!
-    var myTimer = Timer()
-    var second: Int = 30
-    let SentToServerButton = UIButton()
-    let playButton = UIButton()
-    override func viewDidLoad() {
-        super.viewDidLoad()
-        let fileManager = FileManager.default
-        do {
-            let url = try fileManager.url(for: .documentDirectory, in: .userDomainMask, appropriateFor: nil, create: false)
-            if let enumerator = fileManager.enumerator(at: url, includingPropertiesForKeys: nil) {
-                while let fileURL = enumerator.nextObject() as? URL {
-                    try fileManager.removeItem(at: fileURL)
-                }
-            }
-        } catch {
-            print("削除に失敗 \n \(error)")
-        }
-        mySession = AVCaptureSession()
-        mySession.sessionPreset = AVCaptureSessionPresetHigh
-        let devices = AVCaptureDevice.devices()
-        for device in devices! {
-            if((device as AnyObject).position == AVCaptureDevicePosition.back){
-                myDevice = device as! AVCaptureDevice
-            }
-        }
-        let videoInput = try! AVCaptureDeviceInput.init(device: myDevice)
-        mySession.addInput(videoInput)
-        myImageOutput = AVCaptureStillImageOutput()
-        myImageOutput.outputSettings = [ kCVPixelBufferPixelFormatTypeKey as AnyHashable: kCVPixelFormatType_32BGRA ]
-        mySession.addOutput(myImageOutput)
-        for connection in myImageOutput.connections {
-            if let conn = connection as? AVCaptureConnection {
-                if conn.isVideoOrientationSupported {
-                    conn.videoOrientation = AVCaptureVideoOrientation.portrait
-                }
-            }
-        }
-        let myVideoLayer = AVCaptureVideoPreviewLayer.init(session: mySession)
-        myVideoLayer?.frame = self.view.bounds
-        myVideoLayer?.videoGravity = AVLayerVideoGravityResizeAspectFill
-        self.view.layer.addSublayer(myVideoLayer!)
-        mySession.startRunning()
-        let tapGesture = UITapGestureRecognizer(target: self, action: #selector(ViewController.tappedScreen))
-        tapGesture.delegate = self
-        self.view.addGestureRecognizer(tapGesture)
-        playButton.setTitle("撮影開始", for: .normal)
-        playButton.frame = CGRect(x: 120, y: 450, width: 80, height: 80)
-        playButton.setTitleColor(UIColor.black, for: UIControlState())
-        playButton.layer.position = CGPoint(x: view.frame.width / 2, y: self.view.bounds.size.height - 80)
-        playButton.backgroundColor = UIColor.red
-        playButton.addTarget(self, action: #selector(ViewController.tappedPlayButton), for: .touchUpInside)
-        self.view.addSubview(playButton)
-        SentToServerButton.setTitle("サーバに送付", for: .normal)
-        SentToServerButton.contentMode = .scaleAspectFit
-        SentToServerButton.frame = CGRect(x: 300, y: 200, width: 120, height: 50)
-        SentToServerButton.backgroundColor = UIColor.black
-        SentToServerButton.setTitleColor(UIColor.white, for: UIControlState())
-        SentToServerButton.layer.position = CGPoint(x: view.frame.width / 2 + 80, y: self.view.bounds.size.height - 300)
-        SentToServerButton.addTarget(self, action: #selector(ViewController.tappedSentToServerButton), for: .touchUpInside)
-        view.addSubview(SentToServerButton)
-    }
-    func tappedPlayButton(sender: UIButton) {
-        print("start!")
-        playButton.isHidden = true
-        second = 30
-        myTimer = Timer.scheduledTimer(timeInterval: 3, target: self, selector: #selector(ViewController.TemporalEvent), userInfo: nil, repeats: true)
-    }
-    func TemporalEvent(){
-        second -= 3
-        captureStillImage()
-        if second == 0 {
-            myTimer.invalidate()
-        }
-    }
-    func captureStillImage() {
-        if let output = myImageOutput {
-            DispatchQueue.global().async {
-                let connection = output.connection(withMediaType: AVMediaTypeVideo)
-                let settings = [-1.0, 0.0, 2.5].map {
-                    (bias: Float) -> AVCaptureAutoExposureBracketedStillImageSettings in
-                    AVCaptureAutoExposureBracketedStillImageSettings.autoExposureSettings(withExposureTargetBias: bias)
-                }
-                output.captureStillImageBracketAsynchronously(from: connection, withSettingsArray: settings, completionHandler: { (imageBuffer, settings, error) in
-                    if error == nil {
-                        let image = self.imageFromImageBuffer(imageBuffer!)
-                        let JPEGdata = UIImageJPEGRepresentation(image!, 1)
-                        let fileURL = try! FileManager.default.url(for: .documentDirectory, in: .userDomainMask, appropriateFor: nil, create: true).appendingPathComponent("\(NSDate().description).jpeg")
-                        print("書き込むファイルのパス: \(fileURL)")
-                        do {
-                            try JPEGdata?.write(to: fileURL, options: .atomic)
-                        } catch {
-                            print("保存に失敗:\(error)")
-                        }
-                    } else {
-                        print("JPEG取得に失敗:\(error)")
-                    }
-                })
-            }
-        }
-    }
-    // imageBufferからUIImageに変換.
-    func imageFromImageBuffer(_ sampleBuffer: CMSampleBuffer) -> UIImage? {
-        if let imageBuffer = CMSampleBufferGetImageBuffer(sampleBuffer) {
-            CVPixelBufferLockBaseAddress(imageBuffer, CVPixelBufferLockFlags(rawValue: CVOptionFlags(0)))
-            let baseAddress = CVPixelBufferGetBaseAddress(imageBuffer)
-            let bytesPerRow = CVPixelBufferGetBytesPerRow(imageBuffer)
-            let width = CVPixelBufferGetWidth(imageBuffer)
-            let height = CVPixelBufferGetHeight(imageBuffer)
-            let colorSpace = CGColorSpaceCreateDeviceRGB()
-            guard let context = CGContext(data: baseAddress, width: width, height: height, bitsPerComponent: 8,bytesPerRow: bytesPerRow, space: colorSpace, bitmapInfo: CGBitmapInfo.byteOrder32Little.rawValue | CGImageAlphaInfo.premultipliedFirst.rawValue) else {
-                print("Couldn't create context for image.")
-                return nil
-            }
-            let quartzImage = context.makeImage()
-            CVPixelBufferUnlockBaseAddress(imageBuffer, CVPixelBufferLockFlags(rawValue: CVOptionFlags(0)))
-            if let quartzImage = quartzImage {
-                // UIImage.
-                let image = UIImage(cgImage: quartzImage)
-                return image
-            }
-        }
-        return nil
-    }
@@ -426,14 +94,6 @@
-    override func didReceiveMemoryWarning() {
-        super.didReceiveMemoryWarning()
-        // Dispose of any resources that can be recreated.
-    }
-}
 ```

コードの編集

2017/07/07 00:56

投稿

fujico23

スコア13

test CHANGED Viewed

File without changes

test CHANGED Viewed

@@ -4,13 +4,9 @@
 写真はTimer関数を用いて複数枚とっています。
-実機シミュレーションで、ビルドは通りますが、POST送信するところで以下のエラーが出てしまいます。
+実機シミュレーションで、以下のエラーが出てしまいます。
-サーバに送付するところのコードがどこか間違っているのだと思いますが、ご教示頂ければ幸いです。
-よろしくお願いいたします。
+ご教示頂ければ幸いです。
@@ -20,11 +16,7 @@
 ```
-Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[UIButton copyWithZone:]: unrecognized selector sent to instance 0x14da0890'
+'flatMap' produces '[SegmentOfResult.Iterator.Element]', not the expected contextual result type '()'
-libc++abi.dylib: terminating with uncaught exception of type NSException
 ```
@@ -34,39 +26,219 @@
 ```Swift
-/*
+import UIKit
-撮影
-*/
-// 撮影する関数.
+import AVFoundation
+class ViewController: UIViewController, UIGestureRecognizerDelegate, URLSessionTaskDelegate {
+    var appDelegate: AppDelegate = UIApplication.shared.delegate as! AppDelegate
+    var mySession : AVCaptureSession!
+    var myDevice : AVCaptureDevice
+    var myImageOutput: AVCaptureStillImageOutput!
+    var myTimer = Timer()
+    var second: Int = 30
+    let SentToServerButton = UIButton()
+    let playButton = UIButton()
+    override func viewDidLoad() {
+        super.viewDidLoad()
+        let fileManager = FileManager.default
+        do {
+            let url = try fileManager.url(for: .documentDirectory, in: .userDomainMask, appropriateFor: nil, create: false)
+            if let enumerator = fileManager.enumerator(at: url, includingPropertiesForKeys: nil) {
+                while let fileURL = enumerator.nextObject() as? URL {
+                    try fileManager.removeItem(at: fileURL)
+                }
+            }
+        } catch {
+            print("削除に失敗 \n \(error)")
+        }
+        mySession = AVCaptureSession()
+        mySession.sessionPreset = AVCaptureSessionPresetHigh
+        let devices = AVCaptureDevice.devices()
+        for device in devices! {
+            if((device as AnyObject).position == AVCaptureDevicePosition.back){
+                myDevice = device as! AVCaptureDevice
+            }
+        }
+        let videoInput = try! AVCaptureDeviceInput.init(device: myDevice)
+        mySession.addInput(videoInput)
+        myImageOutput = AVCaptureStillImageOutput()
+        myImageOutput.outputSettings = [ kCVPixelBufferPixelFormatTypeKey as AnyHashable: kCVPixelFormatType_32BGRA ]
+        mySession.addOutput(myImageOutput)
+        for connection in myImageOutput.connections {
+            if let conn = connection as? AVCaptureConnection {
+                if conn.isVideoOrientationSupported {
+                    conn.videoOrientation = AVCaptureVideoOrientation.portrait
+                }
+            }
+        }
+        let myVideoLayer = AVCaptureVideoPreviewLayer.init(session: mySession)
+        myVideoLayer?.frame = self.view.bounds
+        myVideoLayer?.videoGravity = AVLayerVideoGravityResizeAspectFill
+        self.view.layer.addSublayer(myVideoLayer!)
+        mySession.startRunning()
+        let tapGesture = UITapGestureRecognizer(target: self, action: #selector(ViewController.tappedScreen))
+        tapGesture.delegate = self
+        self.view.addGestureRecognizer(tapGesture)
+        playButton.setTitle("撮影開始", for: .normal)
+        playButton.frame = CGRect(x: 120, y: 450, width: 80, height: 80)
+        playButton.setTitleColor(UIColor.black, for: UIControlState())
+        playButton.layer.position = CGPoint(x: view.frame.width / 2, y: self.view.bounds.size.height - 80)
+        playButton.backgroundColor = UIColor.red
+        playButton.addTarget(self, action: #selector(ViewController.tappedPlayButton), for: .touchUpInside)
+        self.view.addSubview(playButton)
+        SentToServerButton.setTitle("サーバに送付", for: .normal)
+        SentToServerButton.contentMode = .scaleAspectFit
+        SentToServerButton.frame = CGRect(x: 300, y: 200, width: 120, height: 50)
+        SentToServerButton.backgroundColor = UIColor.black
+        SentToServerButton.setTitleColor(UIColor.white, for: UIControlState())
+        SentToServerButton.layer.position = CGPoint(x: view.frame.width / 2 + 80, y: self.view.bounds.size.height - 300)
+        SentToServerButton.addTarget(self, action: #selector(ViewController.tappedSentToServerButton), for: .touchUpInside)
+        view.addSubview(SentToServerButton)
+    }
+    func tappedPlayButton(sender: UIButton) {
+        print("start!")
+        playButton.isHidden = true
+        second = 30
+        myTimer = Timer.scheduledTimer(timeInterval: 3, target: self, selector: #selector(ViewController.TemporalEvent), userInfo: nil, repeats: true)
+    }
+    func TemporalEvent(){
+        second -= 3
+        captureStillImage()
+        if second == 0 {
+            myTimer.invalidate()
+        }
+    }
     func captureStillImage() {
-        // 出力先が正しいことを確認.
         if let output = myImageOutput {
-            // キュー.
             DispatchQueue.global().async {
-                // 撮影の設定.
                 let connection = output.connection(withMediaType: AVMediaTypeVideo)
-                // 撮影する露光時間を±2.0に設定.
-                let settings = [-2.0, 0.0, 2.0].map {
+                let settings = [-1.0, 0.0, 2.5].map {
                     (bias: Float) -> AVCaptureAutoExposureBracketedStillImageSettings in
@@ -76,15 +248,13 @@
-                // 撮影（キャプチャ取得）.
                 output.captureStillImageBracketAsynchronously(from: connection, withSettingsArray: settings, completionHandler: { (imageBuffer, settings, error) in
                     if error == nil {
-                        // imageFromImageBufferで取得したUIImageをJPEGに変換（これをDirectoryに保存）.
                         let image = self.imageFromImageBuffer(imageBuffer!)
@@ -92,16 +262,12 @@
-                        // ドキュメントと保存先のパス.
                         let fileURL = try! FileManager.default.url(for: .documentDirectory, in: .userDomainMask, appropriateFor: nil, create: true).appendingPathComponent("\(NSDate().description).jpeg")
                         print("書き込むファイルのパス: \(fileURL)")
-                        // 保存処理.
                         do {
                             try JPEGdata?.write(to: fileURL, options: .atomic)
@@ -126,28 +292,22 @@
     }
-// imageBufferからUIImageに変換.
+    // imageBufferからUIImageに変換.
-    func imageFromImageBuffer(_ sampleBuffer: CMSampleBuffer) -> UIImage? { // 調べる ImageBufferの型 １つにたくさんだったらそのまま送れる １つに１枚なら指定しなきゃ
+    func imageFromImageBuffer(_ sampleBuffer: CMSampleBuffer) -> UIImage? {
-        // imageBufferを確認.
         if let imageBuffer = CMSampleBufferGetImageBuffer(sampleBuffer) {
-            // 取得データのピクセル情報をロック.
             CVPixelBufferLockBaseAddress(imageBuffer, CVPixelBufferLockFlags(rawValue: CVOptionFlags(0)))
-            // ピクセルデータのパラメータ登場.
             let baseAddress = CVPixelBufferGetBaseAddress(imageBuffer)
             let bytesPerRow = CVPixelBufferGetBytesPerRow(imageBuffer)
@@ -160,14 +320,10 @@
-            // パラメータを載せる.
             guard let context = CGContext(data: baseAddress, width: width, height: height, bitsPerComponent: 8,bytesPerRow: bytesPerRow, space: colorSpace, bitmapInfo: CGBitmapInfo.byteOrder32Little.rawValue | CGImageAlphaInfo.premultipliedFirst.rawValue) else {
-                // エラーの場合エラーを表示させる.
                 print("Couldn't create context for image.")
                 return nil
@@ -180,14 +336,10 @@
-            // 取得データのピクセル情報をロック解除.
             CVPixelBufferUnlockBaseAddress(imageBuffer, CVPixelBufferLockFlags(rawValue: CVOptionFlags(0)))
-            // 取得した情報からUIImageとJPEGデータを作成.
             if let quartzImage = quartzImage {
@@ -208,74 +360,80 @@
     }
-/*
-アップロード開始ボタンのイベント.
-*/
-func tappedSentToServerButton(_ fileURL: NSData) {
-        // 通信のリクエスト生成.
-        let myCofig: URLSessionConfiguration = URLSessionConfiguration.default
-        let url:NSURL = NSURL(string: "http://＊＊＊＊＊.php")!
-        var request: URLRequest = URLRequest(url: url as URL)
-        request.httpMethod = "POST"
-        let session:URLSession = URLSession(configuration: myCofig, delegate: self, delegateQueue: OperationQueue.main)
-        let task:URLSessionUploadTask = session.uploadTask(with: request, from: fileURL as Data)
-        // タスクの実行.
-        task.resume()
-        }
+    func tappedSentToServerButton(_ sender: UIButton) {
+        let documentPath = NSSearchPathForDirectoriesInDomains(.documentDirectory, .userDomainMask, true)[0]
+        var fileNames: [String] {
+            do {
+                return try FileManager.default.contentsOfDirectory(atPath: documentPath)
+            } catch {
+                return []
+            }
+        }
+        return fileNames.flatMap { fileName in
+            do {
+                var datas: [NSData] = try url(contentsOfFile: documentPath + "/" + fileName, encoding: String.Encoding(rawValue: String.Encoding.utf8.rawValue)).lines
+                datas = datas.deleteSpaceOnly(datas: datas)
+                return datas
+                let myConfig: URLSessionConfiguration = URLSessionConfiguration.default
+                let url: NSURL = NSURL(string: "http://***.php")
+                var request: URLRequest = URLRequest(url: url as URL)
+                request.httpMethod = "POST"
+                let session: URLSession = URLSession(configuration: myConfig, delegate: self, delegateQueue: OperationQueue.main)
+                let task: URLSessionUploadTask = session.uploadTask(with: request, from: datas as Data)
+                task.resume()
+            } catch {
+                return nil
+            }
+        }
+    }
+    override func didReceiveMemoryWarning() {
+        super.didReceiveMemoryWarning()
+        // Dispose of any resources that can be recreated.
+    }
+}
 ```
-```php
-<?php
-    // リクエストBodyからファイルのデータを保存
-    $image = file_get_contents("php://input");
-    // 受け取った値の表示
-    echo $_POST;
-?>
-```

upload

2017/07/06 09:13

投稿

fujico23

スコア13

test CHANGED Viewed

File without changes

test CHANGED Viewed

File without changes

質問内容の変更

2017/07/04 09:35

投稿

fujico23

スコア13

test CHANGED Viewed

	@@ -1 +1 @@
1	- ~~カメラで取得~~した画像を~~POST通~~信~~するとエラーが出て~~しまう
1	+ Swift：Directory内に保存した複数JPEGデータを一括送信したい

test CHANGED Viewed

@@ -1,8 +1,16 @@
 ###前提・実現したいこと
-iPhone cameraで撮影した写真をPOST通信するアプリを作成しています。
+iPhone cameraで撮影したSampleBufferをJPEGに変え、Directoryに保存し、一括でPOST通信するアプリを作成しています。
+写真はTimer関数を用いて複数枚とっています。
-実機シミュレーションで、ビルドは通りますが、撮影した瞬間にエラーが出てしまいます。
+実機シミュレーションで、ビルドは通りますが、POST送信するところで以下のエラーが出てしまいます。
+サーバに送付するところのコードがどこか間違っているのだと思いますが、ご教示頂ければ幸いです。
+よろしくお願いいたします。
@@ -12,7 +20,11 @@
 ```
-error=Optional(Error Domain=NSURLErrorDomain Code=-1004 "Could not connect to the server." UserInfo={NSErrorFailingURLStringKey=http://＊＊＊＊, _kCFStreamErrorCodeKey=61, NSErrorFailingURLKey=http://＊＊＊＊＊＊.php, NSLocalizedDescription=Could not connect to the server., _kCFStreamErrorDomainKey=1, NSUnderlyingError=0x16563140 {Error Domain=kCFErrorDomainCFNetwork Code=-1004 "(null)" UserInfo={_kCFStreamErrorDomainKey=1, _kCFStreamErrorCodeKey=61}}})
+Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[UIButton copyWithZone:]: unrecognized selector sent to instance 0x14da0890'
+libc++abi.dylib: terminating with uncaught exception of type NSException
 ```
@@ -28,7 +40,9 @@
 */
+// 撮影する関数.
-func captureStillImage() {
+    func captureStillImage() {
@@ -68,12 +82,42 @@
                     if error == nil {
-                        self.imageFromImageBuffer(imageBuffer!)
+                        // imageFromImageBufferで取得したUIImageをJPEGに変換（これをDirectoryに保存）.
+                        let image = self.imageFromImageBuffer(imageBuffer!)
+                        let JPEGdata = UIImageJPEGRepresentation(image!, 1)
+                        // ドキュメントと保存先のパス.
+                        let fileURL = try! FileManager.default.url(for: .documentDirectory, in: .userDomainMask, appropriateFor: nil, create: true).appendingPathComponent("\(NSDate().description).jpeg")
+                        print("書き込むファイルのパス: \(fileURL)")
+                        // 保存処理.
+                        do {
+                            try JPEGdata?.write(to: fileURL, options: .atomic)
+                        } catch {
+                            print("保存に失敗:\(error)")
+                        }
+                    } else {
+                        print("JPEG取得に失敗:\(error)")
                     }
                 })
             }
@@ -84,228 +128,132 @@
+// imageBufferからUIImageに変換.
+    func imageFromImageBuffer(_ sampleBuffer: CMSampleBuffer) -> UIImage? { // 調べる ImageBufferの型 １つにたくさんだったらそのまま送れる １つに１枚なら指定しなきゃ
+        // imageBufferを確認.
+        if let imageBuffer = CMSampleBufferGetImageBuffer(sampleBuffer) {
+            // 取得データのピクセル情報をロック.
+            CVPixelBufferLockBaseAddress(imageBuffer, CVPixelBufferLockFlags(rawValue: CVOptionFlags(0)))
+            // ピクセルデータのパラメータ登場.
+            let baseAddress = CVPixelBufferGetBaseAddress(imageBuffer)
+            let bytesPerRow = CVPixelBufferGetBytesPerRow(imageBuffer)
+            let width = CVPixelBufferGetWidth(imageBuffer)
+            let height = CVPixelBufferGetHeight(imageBuffer)
+            let colorSpace = CGColorSpaceCreateDeviceRGB()
+            // パラメータを載せる.
+            guard let context = CGContext(data: baseAddress, width: width, height: height, bitsPerComponent: 8,bytesPerRow: bytesPerRow, space: colorSpace, bitmapInfo: CGBitmapInfo.byteOrder32Little.rawValue | CGImageAlphaInfo.premultipliedFirst.rawValue) else {
+                // エラーの場合エラーを表示させる.
+                print("Couldn't create context for image.")
+                return nil
+            }
+            let quartzImage = context.makeImage()
+            // 取得データのピクセル情報をロック解除.
+            CVPixelBufferUnlockBaseAddress(imageBuffer, CVPixelBufferLockFlags(rawValue: CVOptionFlags(0)))
+            // 取得した情報からUIImageとJPEGデータを作成.
+            if let quartzImage = quartzImage {
+                // UIImage.
+                let image = UIImage(cgImage: quartzImage)
+                return image
+            }
+        }
+        return nil
+    }
 /*
 アップロード開始ボタンのイベント.
 */
-// imageBufferからjpegに変換.
-    func imageFromImageBuffer(_ sampleBuffer: CMSampleBuffer) -> UIImage? {
-        // imageBufferを確認.
-        if let imageBuffer = CMSampleBufferGetImageBuffer(sampleBuffer) {
-            // 取得データのピクセル情報をロック.
-            CVPixelBufferLockBaseAddress(imageBuffer, CVPixelBufferLockFlags(rawValue: CVOptionFlags(0)))
-            // ピクセルデータのパラメータ登場.
-            let baseAddress = CVPixelBufferGetBaseAddress(imageBuffer)
-            let bytesPerRow = CVPixelBufferGetBytesPerRow(imageBuffer)
-            let width = CVPixelBufferGetWidth(imageBuffer)
-            let height = CVPixelBufferGetHeight(imageBuffer)
-            let colorSpace = CGColorSpaceCreateDeviceRGB()
-            // パラメータを載せる.
-            guard let context = CGContext(data: baseAddress, width: width, height: height, bitsPerComponent: 8,bytesPerRow: bytesPerRow, space: colorSpace, bitmapInfo: CGBitmapInfo.byteOrder32Little.rawValue | CGImageAlphaInfo.premultipliedFirst.rawValue) else {
-                // エラーの場合エラーを表示させる.
-                print("Couldn't create context for image.")
-                return nil
-            }
-            let quartzImage = context.makeImage()
-            // 取得データのピクセル情報をロック解除.
-            CVPixelBufferUnlockBaseAddress(imageBuffer, CVPixelBufferLockFlags(rawValue: CVOptionFlags(0)))
-            // 取得した情報からUIImageとJPEGデータを作成.
-            if let quartzImage = quartzImage {
-                // UIImage.
-                let image = UIImage(cgImage: quartzImage)
-                // JPEGデータ.
-                let imageJPEGdata = UIImageJPEGRepresentation(image, 1)
-                // 通信のリクエスト生成.
-                let uploadScriptUrl = NSURL(string:"http://localhost/＊＊＊＊＊/phpinfo.php")
-                let request = NSMutableURLRequest(url: uploadScriptUrl! as URL)
-                request.httpMethod = "POST"
-                request.setValue("Keep-Alive", forHTTPHeaderField: "Connection")
-                let configuration: URLSessionConfiguration = URLSessionConfiguration.default
-                let session:URLSession = URLSession(configuration: configuration, delegate: self, delegateQueue: OperationQueue.main)
-                // アップロード用のタスクを生成.
-                let task: URLSessionUploadTask = session.uploadTask(with: request as URLRequest, from: imageJPEGdata!) {
-                    data, response, error in
-                    if error != nil {
-                        print("error=\(error)")
-                        return
-                    }
-                }
-                // タスクの実行.
-                task.resume()
-                return image
-            }
+func tappedSentToServerButton(_ fileURL: NSData) {
+        // 通信のリクエスト生成.
+        let myCofig: URLSessionConfiguration = URLSessionConfiguration.default
+        let url:NSURL = NSURL(string: "http://＊＊＊＊＊.php")!
+        var request: URLRequest = URLRequest(url: url as URL)
+        request.httpMethod = "POST"
+        let session:URLSession = URLSession(configuration: myCofig, delegate: self, delegateQueue: OperationQueue.main)
+        let task:URLSessionUploadTask = session.uploadTask(with: request, from: fileURL as Data)
+        // タスクの実行.
+        task.resume()
         }
-        return nil
-    }
-    /*
-     通信終了時に呼び出されるデリゲート.
-     */
-    func urlSession(_ session: URLSession, task: URLSessionTask, didCompleteWithError error: Error?) {
-        print("didCompleteWithError")
-        // UIAlertControllerを作成する.
-        let myAlert: UIAlertController = UIAlertController(title: "Alert", message: error?.localizedDescription, preferredStyle: .alert)
-        // OKのアクションを作成する.
-        let myOkAction = UIAlertAction(title: "OK", style: .default) { action in
-            print("OK")
-        }
-        // OKのActionを追加する.
-        myAlert.addAction(myOkAction)
-        // UIAlertを発動する.
-        present(myAlert, animated: true, completion: nil)
-    }
-    func urlSession(_ session: URLSession, task: URLSessionTask, didSendBodyData bytesSent: Int64, totalBytesSent: Int64, totalBytesExpectedToSend: Int64) {
-        print("didSendBodyData")
-        let uploadProgress:Float = Float(totalBytesSent) / Float(totalBytesExpectedToSend)
-        myProgress.progress = uploadProgress
-        let progressPercent = Int(uploadProgress*100)
-        myProgressLabel.text = "\(progressPercent)%"
-        print(uploadProgress)
-    }
-    private func urlSession(session: URLSession, dataTask: URLSessionDataTask, didReceiveResponse response: URLResponse, completionHandler: (URLSession.ResponseDisposition) -> Void) {
-        print("didReceiveResponse")
-        print(response);
-    }
-    func urlSession(session: URLSession, dataTask: URLSessionDataTask, didReceiveData data: NSData) {
-        print("didReceiveData")
-    }
 ```
@@ -331,9 +279,3 @@
 ?>
 ```
-###試したこと
-Info.plistに「NSAppTransportSecurity」をDictionaryで作成し、「NSAllowsArbitraryLoads」をBoolean型としてYESにしましたが、変わらずでした。

質問内容の編集

2017/06/30 13:45

投稿

fujico23

スコア13

test CHANGED Viewed

	@@ -1 +1 @@
1	- ~~Swift：CoreDataに保存~~した画像~~データ~~をP~~ostgre~~S~~QLにアップロ~~ードしたい
1	+ カメラで取得した画像をPOST通信するとエラーが出てしまう

test CHANGED Viewed

@@ -1,26 +1,24 @@
 ###前提・実現したいこと
-iPhone cameraで撮影した写真をCoreDataに保存し、そのデータをPOST通信するアプリを作成しています。
-撮影する機能と、それをCoreDataに保存する機能は実装できました。
-CoreDataに保存されたデータをPOST通信する際、そのデータはどのように定義したら良いでしょうか。
-ご教示お願いいたします。
-###実装した部分のソースコード
+iPhone cameraで撮影した写真をPOST通信するアプリを作成しています。
+実機シミュレーションで、ビルドは通りますが、撮影した瞬間にエラーが出てしまいます。
+###発生している問題・エラーメッセージ
+```
+error=Optional(Error Domain=NSURLErrorDomain Code=-1004 "Could not connect to the server." UserInfo={NSErrorFailingURLStringKey=http://＊＊＊＊, _kCFStreamErrorCodeKey=61, NSErrorFailingURLKey=http://＊＊＊＊＊＊.php, NSLocalizedDescription=Could not connect to the server., _kCFStreamErrorDomainKey=1, NSUnderlyingError=0x16563140 {Error Domain=kCFErrorDomainCFNetwork Code=-1004 "(null)" UserInfo={_kCFStreamErrorDomainKey=1, _kCFStreamErrorCodeKey=61}}})
+```
+###該当のソースコード
 ```Swift
@@ -32,12 +30,28 @@
 func captureStillImage() {
+        // 出力先が正しいことを確認.
         if let output = myImageOutput {
+            // キュー.
             DispatchQueue.global().async {
+                // 撮影の設定.
                 let connection = output.connection(withMediaType: AVMediaTypeVideo)
+                // 撮影する露光時間を±2.0に設定.
                 let settings = [-2.0, 0.0, 2.0].map {
                     (bias: Float) -> AVCaptureAutoExposureBracketedStillImageSettings in
@@ -46,6 +60,10 @@
                 }
+                // 撮影（キャプチャ取得）.
                 output.captureStillImageBracketAsynchronously(from: connection, withSettingsArray: settings, completionHandler: { (imageBuffer, settings, error) in
                     if error == nil {
@@ -54,6 +72,8 @@
                     }
                 })
             }
@@ -66,16 +86,30 @@
 /*
-imageBufferをJPEGに変換
+アップロード開始ボタンのイベント.
 */
+// imageBufferからjpegに変換.
-func imageFromImageBuffer(_ sampleBuffer: CMSampleBuffer) -> UIImage? {
+    func imageFromImageBuffer(_ sampleBuffer: CMSampleBuffer) -> UIImage? {
+        // imageBufferを確認.
         if let imageBuffer = CMSampleBufferGetImageBuffer(sampleBuffer) {
+            // 取得データのピクセル情報をロック.
             CVPixelBufferLockBaseAddress(imageBuffer, CVPixelBufferLockFlags(rawValue: CVOptionFlags(0)))
+            // ピクセルデータのパラメータ登場.
             let baseAddress = CVPixelBufferGetBaseAddress(imageBuffer)
             let bytesPerRow = CVPixelBufferGetBytesPerRow(imageBuffer)
@@ -86,12 +120,16 @@
             let colorSpace = CGColorSpaceCreateDeviceRGB()
+            // パラメータを載せる.
             guard let context = CGContext(data: baseAddress, width: width, height: height, bitsPerComponent: 8,bytesPerRow: bytesPerRow, space: colorSpace, bitmapInfo: CGBitmapInfo.byteOrder32Little.rawValue | CGImageAlphaInfo.premultipliedFirst.rawValue) else {
+                // エラーの場合エラーを表示させる.
                 print("Couldn't create context for image.")
                 return nil
@@ -102,6 +140,8 @@
+            // 取得データのピクセル情報をロック解除.
             CVPixelBufferUnlockBaseAddress(imageBuffer, CVPixelBufferLockFlags(rawValue: CVOptionFlags(0)))
@@ -112,49 +152,65 @@
+                // UIImage.
                 let image = UIImage(cgImage: quartzImage)
+                // JPEGデータ.
                 let imageJPEGdata = UIImageJPEGRepresentation(image, 1)
-                /*
+                // 通信のリクエスト生成.
-         JPEGをCoreDataに保存
+                let uploadScriptUrl = NSURL(string:"http://localhost/＊＊＊＊＊/phpinfo.php")
-         */
-                let appDel: AppDelegate = (UIApplication.shared.delegate as! AppDelegate)
+                let request = NSMutableURLRequest(url: uploadScriptUrl! as URL)
+                request.httpMethod = "POST"
+                request.setValue("Keep-Alive", forHTTPHeaderField: "Connection")
-                let context: NSManagedObjectContext = appDel.managedObjectContext
+                let configuration: URLSessionConfiguration = URLSessionConfiguration.default
-                let myEntity: NSEntityDescription! = NSEntityDescription.entity(forEntityName: "MyCoreDataStore", in: context)
+                let session:URLSession = URLSession(configuration: configuration, delegate: self, delegateQueue: OperationQueue.main)
+                // アップロード用のタスクを生成.
-                let newData = MyCoreDataStore(entity: myEntity, insertInto: context)
+                let task: URLSessionUploadTask = session.uploadTask(with: request as URLRequest, from: imageJPEGdata!) {
+                    data, response, error in
+                    if error != nil {
-                newData.photo = imageJPEGdata as NSData?
+                        print("error=\(error)")
+                        return
+                    }
+                }
+                // タスクの実行.
-                newData.time = NSDate()
+                task.resume()
-                (UIApplication.shared.delegate as! AppDelegate).saveContext()
@@ -162,172 +218,122 @@
             }
         }
         return nil
     }
+    /*
+     通信終了時に呼び出されるデリゲート.
+     */
+    func urlSession(_ session: URLSession, task: URLSessionTask, didCompleteWithError error: Error?) {
+        print("didCompleteWithError")
+        // UIAlertControllerを作成する.
+        let myAlert: UIAlertController = UIAlertController(title: "Alert", message: error?.localizedDescription, preferredStyle: .alert)
+        // OKのアクションを作成する.
+        let myOkAction = UIAlertAction(title: "OK", style: .default) { action in
+            print("OK")
+        }
+        // OKのActionを追加する.
+        myAlert.addAction(myOkAction)
+        // UIAlertを発動する.
+        present(myAlert, animated: true, completion: nil)
+    }
+    func urlSession(_ session: URLSession, task: URLSessionTask, didSendBodyData bytesSent: Int64, totalBytesSent: Int64, totalBytesExpectedToSend: Int64) {
+        print("didSendBodyData")
+        let uploadProgress:Float = Float(totalBytesSent) / Float(totalBytesExpectedToSend)
+        myProgress.progress = uploadProgress
+        let progressPercent = Int(uploadProgress*100)
+        myProgressLabel.text = "\(progressPercent)%"
+        print(uploadProgress)
+    }
+    private func urlSession(session: URLSession, dataTask: URLSessionDataTask, didReceiveResponse response: URLResponse, completionHandler: (URLSession.ResponseDisposition) -> Void) {
+        print("didReceiveResponse")
+        print(response);
+    }
+    func urlSession(session: URLSession, dataTask: URLSessionDataTask, didReceiveData data: NSData) {
+        print("didReceiveData")
+    }
 ```
+```php
+<?php
+    // リクエストBodyからファイルのデータを保存
+    $image = file_get_contents("php://input");
+    // 受け取った値の表示
+    echo $_POST;
+?>
+```
 ###試したこと
-以下がCoreDataに保存されたデータをPOST通信する部分のコードです。
-```swift
-        /*
-ここでCoreData内のデータを定義するのではないかと考えています。
-/*
-        let url = NSURL(string: "http://＊＊＊＊.php")
-        let urlRequest: NSMutableURLRequest = NSMutableURLRequest()
-        if let u = url {
-            urlRequest.url = u as URL
-            urlRequest.httpMethod = "POST"
-        }
-        let uniqueId = ProcessInfo.processInfo.globallyUniqueString
-        let body: NSMutableData = NSMutableData()
-        var postData: String = String()
-        let boundary: String = "---------------------------\(uniqueId)"
-        urlRequest.addValue("multipart/form-data; boundary=\(boundary)", forHTTPHeaderField: "Content-Type")
-        postData += "--\(boundary)\r\n"
-        postData += "Content-Disposition: form-data; name=\"image\"; filename=\"images.jpg\"\r\n"
+Info.plistに「NSAppTransportSecurity」をDictionaryで作成し、「NSAllowsArbitraryLoads」をBoolean型としてYESにしましたが、変わらずでした。
-        postData += "Content-Type: image/jpeg\r\n\r\n"
-        body.append(postData.data(using: String.Encoding.utf8)!)
-        body.append(file as Data)
-        postData = String()
-        postData += "\r\n"
-        postData += "\r\n--\(boundary)--\r\n"
-        body.append(postData.data(using: String.Encoding.utf8)!)
-        urlRequest.httpBody = NSData(data: body as Data) as Data
-        print(urlRequest)
-        // send request and recieve response
-        let config = URLSessionConfiguration.default
-        let session = URLSession(configuration: config)
-        let task: URLSessionDataTask = session.dataTask(with: urlRequest as URLRequest, completionHandler: { data, request, error in
-            // reterned data from serverSide
-            let result = NSString(data: data!, encoding: String.Encoding.utf8.rawValue)!
-            print("result=\(result)")
-        })
-        task.resume()
-    }
-```
-```php
-<?php
-    // リクエストBodyからファイルのデータを保存
-    $image = file_get_contents("php://input");
-    // 受け取った値の表示
-    echo $_POST;
-?>
-```

具体化

2017/06/28 06:08

投稿

fujico23

スコア13

test CHANGED Viewed

File without changes

test CHANGED Viewed

@@ -1,12 +1,12 @@
 ###前提・実現したいこと
-アイフォンカメラで撮影した写真をCoreDataに保存し、そのデータをPostgreSQLにアップロードするアプリを作成しています。
+iPhone cameraで撮影した写真をCoreDataに保存し、そのデータをPOST通信するアプリを作成しています。
 撮影する機能と、それをCoreDataに保存する機能は実装できました。
-具体的にCoreDataのデータをPostgreSQLにアップロードするためにはどうすればよいでしょうか。
+CoreDataに保存されたデータをPOST通信する際、そのデータはどのように定義したら良いでしょうか。
@@ -178,206 +178,132 @@
 ###試したこと
-まず、ApacheおよびPHPファイルをMacにインストールしました。
+以下がCoreDataに保存されたデータをPOST通信する部分のコードです。
-その後今回開発したいアプリとは別のアプリを練習として作成し、画像をApacheに通信するコードを書いてみました。
 ```swift
+        /*
+ここでCoreData内のデータを定義するのではないかと考えています。
+/*
+        let url = NSURL(string: "http://＊＊＊＊.php")
+        let urlRequest: NSMutableURLRequest = NSMutableURLRequest()
-import UIKit
+        if let u = url {
+            urlRequest.url = u as URL
+            urlRequest.httpMethod = "POST"
+        }
-class ViewController: UIViewController, URLSessionTaskDelegate {
+        let uniqueId = ProcessInfo.processInfo.globallyUniqueString
+        let body: NSMutableData = NSMutableData()
-    var json: NSData!
+        var postData: String = String()
+        let boundary: String = "---------------------------\(uniqueId)"
+        urlRequest.addValue("multipart/form-data; boundary=\(boundary)", forHTTPHeaderField: "Content-Type")
+        postData += "--\(boundary)\r\n"
+        postData += "Content-Disposition: form-data; name=\"image\"; filename=\"images.jpg\"\r\n"
+        postData += "Content-Type: image/jpeg\r\n\r\n"
+        body.append(postData.data(using: String.Encoding.utf8)!)
-    override func viewDidLoad() {
+        body.append(file as Data)
-        super.viewDidLoad()
+        postData = String()
+        postData += "\r\n"
+        postData += "\r\n--\(boundary)--\r\n"
+        body.append(postData.data(using: String.Encoding.utf8)!)
+        urlRequest.httpBody = NSData(data: body as Data) as Data
+        print(urlRequest)
+        // send request and recieve response
+        let config = URLSessionConfiguration.default
+        let session = URLSession(configuration: config)
+        let task: URLSessionDataTask = session.dataTask(with: urlRequest as URLRequest, completionHandler: { data, request, error in
+            // reterned data from serverSide
+            let result = NSString(data: data!, encoding: String.Encoding.utf8.rawValue)!
+            print("result=\(result)")
+        })
-        upload()
+        task.resume()
     }
-    func upload() {
-        let sampleImage = UIImage(named: "myimage.jpg")
-        let file: NSData = NSData(data: UIImageJPEGRepresentation(sampleImage!, 1.0)!)
-        let url = NSURL(string: "http://********.php")
-        let urlRequest: NSMutableURLRequest = NSMutableURLRequest()
-        if let u = url {
-            urlRequest.url = u as URL
-            urlRequest.httpMethod = "POST"
-            // urlRequest.timeoutInterval = 30.0
-        }
-        let uniqueId = ProcessInfo.processInfo.globallyUniqueString
-        let body: NSMutableData = NSMutableData()
-        var postData: String = String()
-        let boundary: String = "---------------------------\(uniqueId)"
-        urlRequest.addValue("multipart/form-data; boundary=\(boundary)", forHTTPHeaderField: "Content-Type")
-        postData += "--\(boundary)\r\n"
-        postData += "Content-Disposition: form-data; name=\"image\"; filename=\"images.jpg\"\r\n"
-        postData += "Content-Type: image/jpeg\r\n\r\n"
-        body.append(postData.data(using: String.Encoding.utf8)!)
-        body.append(file as Data)
-        postData = String()
-        postData += "\r\n"
-        postData += "\r\n--\(boundary)--\r\n"
-        body.append(postData.data(using: String.Encoding.utf8)!)
-        urlRequest.httpBody = NSData(data: body as Data) as Data
-        print(urlRequest)
-        let config = URLSessionConfiguration.default
-        let session = URLSession(configuration: config)
-        let task: URLSessionDataTask = session.dataTask(with: urlRequest as URLRequest, completionHandler: { data, request, error in
-            let result = NSString(data: data!, encoding: String.Encoding.utf8.rawValue)!
-            print("result=\(result)")
-        })
-        task.resume()
-    }
-     //通信終了時に呼び出されるデリゲート
-    func urlSession(_ session: URLSession, task: URLSessionTask, didCompleteWithError error: Error?) {
-        // print("didCompleteWithError")
-        print("error: \(error)")
-    }
-    func urlSession(_ session: URLSession, task: URLSessionTask, willPerformHTTPRedirection response: HTTPURLResponse, newRequest request: URLRequest, completionHandler: @escaping (URLRequest?) -> Void) {
-        print("willPerformHTTPRedirection")
-    }
-    func urlSession(_ session: URLSession, task: URLSessionTask, didSendBodyData bytesSent: Int64, totalBytesSent: Int64, totalBytesExpectedToSend: Int64) {
-        print("didSendBodyData")
-    }
-    override func didReceiveMemoryWarning() {
-        super.didReceiveMemoryWarning()
-        // Dispose of any resources that can be recreated.
-    }
-}
 ```
@@ -405,9 +331,3 @@
 ?>
 ```
-###補足情報(言語/FW/ツール等のバージョンなど)
-記載したコードで間違っている箇所があればご指摘頂けると幸いです。