編集履歴

質問編集履歴

print文の修正

2017/04/06 10:07

投稿

udb

スコア25

test CHANGED Viewed

File without changes

test CHANGED Viewed

@@ -580,11 +580,21 @@
 ```Swift
+ここからdecodeData
+/*６０行ほどの画像をエンコードした文字列*/
+ここからdecodedImagge
-Optional(<UIImage: 0x600000098790>, {1158, 1218})
+Optional(<UIImage: 0x628000085370>, {1158, 1218})
-decodeData
+Optional(nil)
-Could not cast value of type 'Swift.Optional<Any>' (0x7fa76fd14200) to 'Swift.String' (0x10677fae0).
+Could not cast value of type 'Swift.Optional<Any>' (0x7fb8c0b17960) to 'Swift.String' (0x112448ae0).
+(lldb)
 ```

こーどの全文追記

2017/04/06 10:06

投稿

udb

スコア25

test CHANGED Viewed

File without changes

test CHANGED Viewed

@@ -2,34 +2,580 @@
-``` Swift3.1
-//imageViewの接続
- @IBOutlet weak var dataImageView: UIImageView!
-//デコードしたデータをUIImage型へ変換してimageviewへ反映する
-    let decodeData = (base64Encoded:dict["image"])
-    print(decodeData)
-    let decodedData = NSData(base64Encoded: decodeData as! String, options: NSData.Base64DecodingOptions.ignoreUnknownCharacters)
-    print("デコードされたイメージ")
-    print(decodedData)
-    let decodedImage = UIImage(data:decodedData! as  Data)
-    print(decodeImage)
-    cell.dataImageView.image = decodedImage
+```Swift3
+import UIKit
+import Firebase
+class ViewController: UIViewController,UIImagePickerControllerDelegate,UINavigationControllerDelegate,UITableViewDelegate,UITableViewDataSource {
+    var items = [NSDictionary]()
+    let refreshControl = UIRefreshControl()
+    var passImage:UIImage = UIImage()
+    var nowtableViewImage = UIImage()
+    var nowtableViewUserName = String()
+    var nowtableViewUserImage = UIImage()
+    @IBOutlet var tableView: UITableView!
+    override func viewDidLoad() {
+        super.viewDidLoad()
+        if UserDefaults.standard.object(forKey: "check") != nil{
+        }else{
+            let loginViewController = self.storyboard?.instantiateViewController(withIdentifier: "login")
+            self.present(loginViewController!, animated: true, completion: nil)
+        }
+        tableView.delegate = self
+        tableView.dataSource = self
+        refreshControl.attributedTitle = NSAttributedString(string: "引っ張って更新")
+        refreshControl.addTarget(self, action:#selector(refresh), for:UIControlEvents.valueChanged)
+        tableView.addSubview(refreshControl)
+        items = [NSDictionary]()
+        loadAllData()
+        tableView.reloadData()
+    }
+    func refresh(){
+        //データを読んでくる
+        //tableviewリロード
+        items = [NSDictionary]()
+        loadAllData()
+        tableView.reloadData()
+        refreshControl.endRefreshing()
+    }
+    //TableViewのデリゲートメソッド
+    func numberOfSections(in tableView: UITableView) -> Int {
+        return 1
+    }
+    //セルの数
+    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
+        return items.count
+    }
+    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
+        let cell = tableView.dequeueReusableCell(withIdentifier: "Cell", for: indexPath)
+        cell.selectionStyle = UITableViewCellSelectionStyle.none
+        let dict = items[(indexPath as NSIndexPath).row]
+        //プロフィール
+        let profileImageView = cell.viewWithTag(1) as! UIImageView
+        //デコードしたデータをUIImage型へ変換してimageviewへ反映する
+        let decodeData = (base64Encoded:dict["profileImage"])
+        let decodedData = NSData(base64Encoded: decodeData as! String, options: NSData.Base64DecodingOptions.ignoreUnknownCharacters)
+        let decodedImage = UIImage(data:decodedData! as  Data)
+        profileImageView.layer.cornerRadius = 8.0
+        profileImageView.clipsToBounds = true
+        profileImageView.image = decodedImage
+        //ユーザー名
+        let userNameLabel = cell.viewWithTag(2) as! UILabel
+        userNameLabel.text = dict["username"] as? String
+        //投稿画像
+        let postedImageView = cell.viewWithTag(3) as! UIImageView
+       //abv
+        let decodeData2 = (base64Encoded:dict["postImage"])
+        let decodedData2 = NSData(base64Encoded: decodeData2 as! String, options: NSData.Base64DecodingOptions.ignoreUnknownCharacters)
+        let decodedImage2 = UIImage(data:decodedData2! as  Data)
+        postedImageView.image = decodedImage2
+        //コメント
+        let commentTextView = cell.viewWithTag(4) as! UITextView
+        commentTextView.text = dict["comment"] as? String
+        return cell
+    }
+    //データベースからデータをとってきて、配列の中に入れた
+    func loadAllData(){
+    // https://happystagram1.firebaseio.com/
+        UIApplication.shared.isNetworkActivityIndicatorVisible = true
+        let firebase = FIRDatabase.database().reference(fromURL: "https://instgram-ce25d.firebaseio.com/").child("Posts")
+        firebase.queryLimited(toLast: 10).observe(.value) { (snapshot,error) in
+            var tempItems = [NSDictionary]()
+            for item in(snapshot.children){
+                let child = item as! FIRDataSnapshot
+                let dict =  child.value
+                tempItems.append(dict as! NSDictionary)
+            }
+            self.items = tempItems
+            self.items = self.items.reversed()
+            self.tableView.reloadData()
+            UIApplication.shared.isNetworkActivityIndicatorVisible = false
+        }
+    }
+    //
+    func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
+        let dict = items[(indexPath as NSIndexPath).row]
+        //エンコードして取り出す
+        let decodeData = (base64Encoded:dict["profileImage"])
+        let decodedData = NSData(base64Encoded:decodeData as! String , options: NSData.Base64DecodingOptions.ignoreUnknownCharacters)
+        let decodedImage = UIImage(data:decodedData! as Data)
+       //abv
+        nowtableViewUserImage = decodedImage!
+        nowtableViewUserName = (dict["username"] as? String)!
+        //エンコードして取り出す
+        let decodeData2 = (base64Encoded:dict["postImage"])
+        let decodedData2 = NSData(base64Encoded:decodeData2 as! String , options: NSData.Base64DecodingOptions.ignoreUnknownCharacters)
+        let decodedImage2 = UIImage(data:decodedData2! as Data)
+        nowtableViewImage = decodedImage2!
+        performSegue(withIdentifier: "sns", sender: nil)
+        //postImage
+    }
+    func openCamera(){
+        let sourceType:UIImagePickerControllerSourceType = UIImagePickerControllerSourceType.camera
+        // カメラが利用可能かチェック
+        if UIImagePickerController.isSourceTypeAvailable(UIImagePickerControllerSourceType.camera){
+            // インスタンスの作成
+            let cameraPicker = UIImagePickerController()
+            cameraPicker.sourceType = sourceType
+            cameraPicker.delegate = self
+            self.present(cameraPicker, animated: true, completion: nil)
+        }
+    }
+    func openPhoto(){
+        let sourceType:UIImagePickerControllerSourceType = UIImagePickerControllerSourceType.photoLibrary
+        // カメラが利用可能かチェック
+        if UIImagePickerController.isSourceTypeAvailable(UIImagePickerControllerSourceType.photoLibrary){
+            // インスタンスの作成
+            let cameraPicker = UIImagePickerController()
+            cameraPicker.sourceType = sourceType
+            cameraPicker.delegate = self
+            self.present(cameraPicker, animated: true, completion: nil)
+        }
+    }
+    @IBAction func showCamera(_ sender: AnyObject) {
+        openCamera()
+    }
+    @IBAction func showPhotos(_ sender: AnyObject) {
+        openPhoto()
+    }
+    func imagePickerController(_ imagePicker: UIImagePickerController, didFinishPickingMediaWithInfo info: [String : AnyObject]) {
+        if let pickedImage = info[UIImagePickerControllerOriginalImage] as? UIImage {
+            passImage = pickedImage
+            performSegue(withIdentifier:"next",sender:nil)
+        }
+        //カメラ画面(アルバム画面)を閉じる処理
+        imagePicker.dismiss(animated: true, completion: nil)
+    }
+    override func prepare(for segue:UIStoryboardSegue,sender:Any?){
+        if(segue.identifier == "next"){
+            let editVC:EditViewController = segue.destination as! EditViewController
+            editVC.willEditImage = passImage
+        }
+        if(segue.identifier == "sns"){
+            let snsVC:SnsViewController = segue.destination as! SnsViewController
+            snsVC.detailImage = nowtableViewImage
+            snsVC.detailProfileImage = nowtableViewUserImage
+            snsVC.detailUserName = nowtableViewUserName
+        }
+    }
+    override func didReceiveMemoryWarning() {
+        super.didReceiveMemoryWarning()
+    }
+}
 ```
 出力されるエラー
 ```Swift

追記

2017/04/05 22:44

投稿

udb

スコア25

test CHANGED Viewed

File without changes

test CHANGED Viewed

@@ -24,6 +24,8 @@
     let decodedImage = UIImage(data:decodedData! as  Data)
+    print(decodeImage)
     cell.dataImageView.image = decodedImage
 ```

エラーに関して記述

2017/04/05 21:58

投稿

udb

スコア25

test CHANGED Viewed

File without changes

test CHANGED Viewed

@@ -4,11 +4,23 @@
 ``` Swift3.1
+//imageViewの接続
+ @IBOutlet weak var dataImageView: UIImageView!
 //デコードしたデータをUIImage型へ変換してimageviewへ反映する
     let decodeData = (base64Encoded:dict["image"])
+    print(decodeData)
     let decodedData = NSData(base64Encoded: decodeData as! String, options: NSData.Base64DecodingOptions.ignoreUnknownCharacters)
+    print("デコードされたイメージ")
+    print(decodedData)
     let decodedImage = UIImage(data:decodedData! as  Data)
@@ -16,6 +28,20 @@
 ```
+出力されるエラー
+```Swift
+Optional(<UIImage: 0x600000098790>, {1158, 1218})
+decodeData
+Could not cast value of type 'Swift.Optional<Any>' (0x7fa76fd14200) to 'Swift.String' (0x10677fae0).
+```
 Xcode8.3/Swift3で行なっていますが、解決方法にめどがつきません。どなたかご教示をお願いします。

誤字

2017/04/05 21:55

投稿

udb

スコア25

test CHANGED Viewed

File without changes

test CHANGED Viewed

@@ -1,4 +1,4 @@
-Firebaseに保存されたエンコードされた画像データをSwiftでデコードして表示させようとしたらエラーの表示が表示がないのに関わらずエラーが起きてアプリがクラッシュしてしまいます。
+Firebaseに保存されたエンコードされた画像データをSwiftでデコードして表示させようとしたらエラーの表示がないのに関わらずエラーが起きてアプリがクラッシュしてしまいます。