質問編集履歴
5
コード編集
test
CHANGED
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test
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コード記入
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test
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@@ -2,7 +2,15 @@
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具体的には、初期画面のテーブルビューのセルから画面遷移をし、遷移したページから
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+
具体的には、初期画面のテーブルビューのセルから画面遷移をし、遷移したページからページをいくらかめくったところでクラッシュしてしまいます。
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audioPlayer関連のコードを消せば、ページめくりをしてもエラーは出ません。
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mp3のデータを各ページ少なくするとエラーはでません。
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約260コ分ぐらいののデータをページスクロールし続けたらクラッシュします。
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@@ -10,12 +18,6 @@
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上記のことから、mp3の音データはちゃんと揃ってあります。
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mp3データはcsvファイルからファイル名を取得して呼び出すようにしています。
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また、audioPlayer関連のコードを消せば、ページめくりをしてもエラーは出ません。
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@@ -32,6 +34,16 @@
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```
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該当コード内で
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audioPlayers.append(audioPlayer)のところで[Thread1: EXC BAD INSTRUCTION]
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デバックエリアの出力では
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Error The operation couldn\U2019t be completed. (NSOSStatusErrorDomain error -42.)
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fatal error: unexpectedly found nil while unwrapping an Optional value
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@@ -48,8 +60,6 @@
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[使用バージョン Swift3]
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import UIKit
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import AVFoundation
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@@ -58,265 +68,445 @@
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class PageContentViewController: UIViewController, UIScrollViewDelegate, AVAudioPlayerDelegate {
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let soundNameArray = [
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-
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["1","2","1","2","1","2","1","2","1","2","1","2","1","2","1","2"], // 1
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-
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["1","2","1","2","1","2","1","2","1","2","1","2","1","2","1","2"], // 2
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-
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["1","2","1","2","1","2","1","2","1","2","1","2","1","2","1","2"], // 3
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["1","2","1","2","1","2","1","2","1","2","1","2","1","2","1","2"], // 4
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["1","2","1","2","1","2","1","2","1","2","1","2","1","2","1","2"], // 5
|
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["1","2","1","2","1","2","1","2","1","2","1","2","1","2","1","2"], // 6
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["1","2","1","2","1","2","1","2","1","2","1","2","1","2","1","2"], // 7
|
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["1","2","1","2","1","2","1","2","1","2","1","2","1","2","1","2"], // 8
|
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["1","2","1","2","1","2","1","2","1","2","1","2","1","2","1","2"], // 9
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["1","2","1","2","1","2","1","2","1","2","1","2","1","2","1","2"], // 10
|
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["1","2","1","2","1","2","1","2","1","2","1","2","1","2","1","2"], // 11
|
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["1","2","1","2","1","2","1","2","1","2","1","2","1","2","1","2"], // 12
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["1","2","1","2","1","2","1","2","1","2","1","2","1","2","1","2"], // 13
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["1","2","1","2","1","2","1","2","1","2","1","2","1","2","1","2"], // 14
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["1","2","1","2","1","2","1","2","1","2","1","2","1","2","1","2"], // 15
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["1","2","1","2","1","2","1","2","1","2","1","2","1","2","1","2"], // 16
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["1","2","1","2","1","2","1","2","1","2","1","2","1","2","1","2"], // 17
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["1","2","1","2","1","2","1","2","1","2","1","2","1","2","1","2"], // 18
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["1","2","1","2","1","2","1","2","1","2","1","2","1","2","1","2"], // 19
|
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+
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["1","2","1","2","1","2","1","2","1","2","1","2","1","2","1","2"] // 20
|
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-
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+
]
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-
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+
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-
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-
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+
// 1つの配列に16コずつだと16ページ目でクラッシュ(17ページ目を呼ぶのにエラーがでている)
|
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-
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+
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-
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var pageIndex:Int = 0 // 各ページのindex
|
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-
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-
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let indexPageLabel = UILabel() // index確認用ラベル
|
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-
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-
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+
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-
// sound関係
|
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// sound関係
|
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-
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+
|
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-
var soundArray:[String
|
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var soundArray:[String] = [] // ファイル名のデータを格納する
|
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-
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|
+
|
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-
var audioUrls:[URL
|
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+
var audioUrls:[URL] = [] // soundArrayの要素からパスとurlを作成し格納する
|
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var audioPlayer:AVAudioPlayer! // urlから音声データにして格納する
|
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-
var audioPlayers:[AVAudioPlayer
|
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+
var audioPlayers:[AVAudioPlayer] = [] // 音声データを格納する
|
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136
|
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137
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var soundButtons = [UIButton]() // 音声を鳴らすボタンを格納する
|
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+
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override func viewDidLoad() {
|
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145
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super.viewDidLoad()
|
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(略)
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・
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・
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//
|
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// indexPageラベル
|
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-
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+
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-
|
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indexPageLabel.frame = CGRect(x: 20, y: 10, width: 240, height: 20)
|
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indexPageLabel.text = "pageIndex: (pageIndex) ページNo: ((pageIndex) + 1)"
|
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-
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indexPageLabel.backgroundColor = .yellow
|
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self.view.addSubview(indexPageLabel)
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soundArray = soundNameArray[pageIndex]
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+
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+
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-
// soundArrayの要素すべてを取り出して
|
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+
// soundArrayの要素すべてを取り出してaudioPlayers配列に格納する
|
132
168
|
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133
169
|
for i in soundArray {
|
134
170
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135
|
-
let audioPath = Bundle.main.path(forResource: "(i
|
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+
let audioPath = Bundle.main.path(forResource: "(i)", ofType:"mp3")!
|
136
172
|
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137
173
|
let audioUrl = URL(fileURLWithPath: audioPath)
|
138
174
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139
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-
audioUrls.append(audioUrl)
|
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}
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// audioUrlsの要素すべてを取り出してエラーチェックをし、audioPlayers配列に格納する
|
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|
-
|
149
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-
for i in audioUrls {
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-
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// auido を再生するプレイヤーを作成する
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|
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var audioError:NSError?
|
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-
|
155
175
|
do {
|
156
176
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|
157
|
-
audioPlayer = try AVAudioPlayer(contentsOf: i
|
177
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+
audioPlayer = try AVAudioPlayer(contentsOf: audioUrl)
|
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+
|
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|
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audioError = error
|
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audioPlayer
|
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+
audioPlayers.append(audioPlayer)
|
180
|
+
|
181
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+
} catch {
|
182
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+
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183
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+
print("エラー")
|
164
184
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165
185
|
}
|
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186
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187
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+
}
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+
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audioPlayer.delegate = self
|
192
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+
|
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+
audioPlayer.prepareToPlay()
|
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+
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+
|
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// サウンドボタンを量産 button
|
200
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+
|
201
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+
for index in 0..<soundArray.count {
|
202
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+
|
203
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+
let soundButton = UIButton()
|
204
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+
|
205
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+
soundButton.frame = CGRect(x: 20, y: 40 + (index * 30), width: 40, height: 30)
|
206
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+
|
207
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soundButton.backgroundColor = UIColor.lightGray
|
208
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+
|
209
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+
soundButton.titleLabel?.font = UIFont.systemFont(ofSize: 10)
|
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+
|
211
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soundButton.setTitle("▶", for: .normal)
|
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+
|
213
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+
soundButton.setTitleColor(UIColor.darkGray, for: .normal)
|
214
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+
|
215
|
+
soundButton.tag = index // ボタン識別用ID
|
216
|
+
|
217
|
+
soundButton.addTarget(self, action: #selector(buttonEventSound(sender:)), for: .touchUpInside)
|
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+
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219
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+
soundButtons.append(soundButton)
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+
|
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+
self.view.addSubview(soundButton)
|
222
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+
|
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+
}
|
224
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+
|
225
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+
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226
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+
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227
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} //viewDidLoadを閉じる
|
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+
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230
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+
|
231
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+
|
232
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+
|
167
|
-
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233
|
+
// ボタンイベント音再生
|
234
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+
|
168
|
-
|
235
|
+
func buttonEventSound(sender: UIButton) {
|
236
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+
|
237
|
+
let index = sender.tag
|
238
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+
|
239
|
+
if (audioPlayers[index].isPlaying){
|
240
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+
|
241
|
+
audioPlayers[index].stop()
|
242
|
+
|
243
|
+
audioPlayers[index].currentTime = 0
|
244
|
+
|
245
|
+
}
|
246
|
+
|
247
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+
else{
|
248
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+
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169
|
-
|
249
|
+
for i in audioPlayers {
|
170
|
-
|
250
|
+
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171
|
-
|
251
|
+
if (i.isPlaying) {
|
252
|
+
|
253
|
+
i.stop()
|
254
|
+
|
255
|
+
i.currentTime = 0
|
256
|
+
|
257
|
+
}
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258
|
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173
259
|
}
|
174
260
|
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175
|
-
audioPlayers.
|
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-
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177
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-
}
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-
|
261
|
+
audioPlayers[index].play()
|
262
|
+
|
263
|
+
}
|
264
|
+
|
265
|
+
}
|
266
|
+
|
267
|
+
|
268
|
+
|
269
|
+
// 音楽再生が成功した時に呼ばれるメソッド
|
270
|
+
|
271
|
+
func audioPlayerDidFinishPlaying(_ player: AVAudioPlayer, successfully flag: Bool) {
|
272
|
+
|
273
|
+
print("音終了")
|
274
|
+
|
275
|
+
}
|
276
|
+
|
277
|
+
|
278
|
+
|
279
|
+
// デコード中にエラーが起きた時に呼ばれるメソッド
|
280
|
+
|
281
|
+
func audioPlayerDecodeErrorDidOccur(_ player: AVAudioPlayer, error: Error?) {
|
282
|
+
|
283
|
+
print("デコードエラー")
|
284
|
+
|
285
|
+
}
|
286
|
+
|
287
|
+
|
288
|
+
|
289
|
+
|
290
|
+
|
291
|
+
override func didReceiveMemoryWarning() {
|
292
|
+
|
293
|
+
super.didReceiveMemoryWarning()
|
294
|
+
|
295
|
+
}
|
296
|
+
|
297
|
+
|
298
|
+
|
299
|
+
}
|
300
|
+
|
301
|
+
```
|
302
|
+
|
303
|
+
### その他のソースコード
|
304
|
+
|
305
|
+
```
|
306
|
+
|
307
|
+
import UIKit
|
308
|
+
|
309
|
+
|
310
|
+
|
311
|
+
class PageViewController: UIPageViewController, UIPageViewControllerDataSource {
|
312
|
+
|
313
|
+
|
314
|
+
|
315
|
+
var selectedIndex: Int = 0 // タップされたセルのindex
|
316
|
+
|
317
|
+
var pageIndex:Int = 0 // 各ページに割り当てたindex
|
318
|
+
|
319
|
+
var contentVCs = [UIViewController]() // ページングするviewControllerを格納する配列
|
320
|
+
|
321
|
+
|
322
|
+
|
323
|
+
override func viewDidLoad() {
|
324
|
+
|
325
|
+
super.viewDidLoad()
|
326
|
+
|
327
|
+
|
328
|
+
|
329
|
+
// ナビゲーションバーの透過を無効にする。
|
330
|
+
|
331
|
+
self.navigationController!.navigationBar.isTranslucent = false
|
332
|
+
|
333
|
+
|
334
|
+
|
335
|
+
dataSource = self
|
336
|
+
|
337
|
+
|
338
|
+
|
339
|
+
for index in 0..<20 {
|
340
|
+
|
341
|
+
let contentVC = storyboard?.instantiateViewController(withIdentifier: "PageContentViewController") as! PageContentViewController
|
342
|
+
|
343
|
+
contentVC.pageIndex = index
|
344
|
+
|
345
|
+
contentVCs.append(contentVC)
|
346
|
+
|
347
|
+
}
|
348
|
+
|
349
|
+
|
350
|
+
|
351
|
+
self.setViewControllers([contentVCs[selectedIndex]], direction: .forward, animated: true, completion: nil)
|
352
|
+
|
353
|
+
|
354
|
+
|
355
|
+
} // viewDidLoad()を閉じる
|
356
|
+
|
357
|
+
|
358
|
+
|
359
|
+
|
360
|
+
|
361
|
+
// MARK: - UIPageViewControllerDataSource
|
362
|
+
|
363
|
+
// スワイプでページを戻る(Before)
|
364
|
+
|
365
|
+
func pageViewController(_ pageViewController: UIPageViewController, viewControllerBefore viewController: UIViewController) -> UIViewController? {
|
366
|
+
|
367
|
+
guard let index = contentVCs.index(of: viewController as! PageContentViewController), index > 0 else {
|
368
|
+
|
369
|
+
return nil
|
370
|
+
|
371
|
+
}
|
372
|
+
|
373
|
+
let previousVC = contentVCs[index - 1]
|
374
|
+
|
375
|
+
return previousVC
|
376
|
+
|
377
|
+
}
|
378
|
+
|
379
|
+
|
380
|
+
|
381
|
+
// スワイプでページを進む(After)
|
382
|
+
|
383
|
+
func pageViewController(_ pageViewController: UIPageViewController, viewControllerAfter viewController: UIViewController) -> UIViewController? {
|
384
|
+
|
385
|
+
guard let index = contentVCs.index(of: viewController as! PageContentViewController), index < contentVCs.count - 1 else {
|
386
|
+
|
387
|
+
return nil
|
388
|
+
|
389
|
+
}
|
390
|
+
|
391
|
+
let nextVC = contentVCs[index + 1]
|
392
|
+
|
393
|
+
return nextVC
|
394
|
+
|
395
|
+
}
|
396
|
+
|
397
|
+
}
|
398
|
+
|
399
|
+
```
|
400
|
+
|
401
|
+
```
|
402
|
+
|
403
|
+
import UIKit
|
404
|
+
|
405
|
+
|
406
|
+
|
407
|
+
class ViewController: UIViewController, UITableViewDataSource, UITableViewDelegate {
|
408
|
+
|
409
|
+
|
410
|
+
|
411
|
+
let sectionTitle = ["Title"] //セクションに表示するデータ
|
412
|
+
|
413
|
+
let section0 = Array(1...20) //セルに表示するデータ
|
414
|
+
|
415
|
+
|
416
|
+
|
417
|
+
@IBOutlet weak var tableView: UITableView!
|
418
|
+
|
419
|
+
|
420
|
+
|
421
|
+
override func viewDidLoad() {
|
422
|
+
|
423
|
+
super.viewDidLoad()
|
424
|
+
|
425
|
+
|
426
|
+
|
427
|
+
tableView.delegate = self
|
428
|
+
|
429
|
+
tableView.dataSource = self
|
430
|
+
|
431
|
+
}
|
432
|
+
|
433
|
+
|
434
|
+
|
435
|
+
override func didReceiveMemoryWarning() {
|
436
|
+
|
437
|
+
super.didReceiveMemoryWarning()
|
438
|
+
|
439
|
+
}
|
440
|
+
|
441
|
+
|
442
|
+
|
443
|
+
func numberOfSections(in tableView: UITableView) -> Int {
|
444
|
+
|
445
|
+
return sectionTitle.count
|
446
|
+
|
447
|
+
}
|
448
|
+
|
449
|
+
|
450
|
+
|
451
|
+
func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
|
452
|
+
|
453
|
+
return section0.count
|
454
|
+
|
455
|
+
}
|
456
|
+
|
457
|
+
|
458
|
+
|
459
|
+
func tableView(_ tableView: UITableView, titleForHeaderInSection section: Int) -> String? {
|
460
|
+
|
461
|
+
return sectionTitle[section]
|
462
|
+
|
463
|
+
}
|
464
|
+
|
465
|
+
|
466
|
+
|
467
|
+
func tableView(_ tableView: UITableView, heightForHeaderInSection section: Int) -> CGFloat {
|
468
|
+
|
469
|
+
return 30
|
470
|
+
|
471
|
+
}
|
472
|
+
|
473
|
+
|
474
|
+
|
475
|
+
func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
|
476
|
+
|
477
|
+
let cell = tableView.dequeueReusableCell(withIdentifier: "Cell", for: indexPath)
|
478
|
+
|
479
|
+
cell.textLabel?.text = "(section0[indexPath.row])"
|
480
|
+
|
481
|
+
return cell
|
482
|
+
|
483
|
+
}
|
484
|
+
|
485
|
+
|
486
|
+
|
487
|
+
override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
|
488
|
+
|
489
|
+
if segue.identifier == "ToPageViewController" {
|
490
|
+
|
491
|
+
if let indexPath = self.tableView.indexPathForSelectedRow {
|
492
|
+
|
493
|
+
tableView.deselectRow(at: indexPath, animated: false)
|
494
|
+
|
495
|
+
if let pageViewController = segue.destination as? PageViewController {
|
496
|
+
|
497
|
+
pageViewController.selectedIndex = indexPath.row
|
498
|
+
|
499
|
+
}
|
230
500
|
|
231
501
|
}
|
232
502
|
|
233
503
|
}
|
234
504
|
|
235
|
-
|
236
|
-
|
237
|
-
} //viewDidLoadを閉じる
|
238
|
-
|
239
|
-
|
240
|
-
|
241
|
-
|
242
|
-
|
243
|
-
|
244
|
-
|
245
|
-
// ボタンイベント音再生
|
246
|
-
|
247
|
-
func buttonEventSound(sender: UIButton) {
|
248
|
-
|
249
|
-
|
250
|
-
|
251
|
-
let index = sender.tag
|
252
|
-
|
253
|
-
|
254
|
-
|
255
|
-
if (audioPlayers[index]?.isPlaying)!{
|
256
|
-
|
257
|
-
audioPlayers[index]?.stop()
|
258
|
-
|
259
|
-
audioPlayers[index]?.currentTime = 0
|
260
|
-
|
261
|
-
|
505
|
+
}
|
262
|
-
|
263
|
-
|
506
|
+
|
264
|
-
|
265
|
-
|
507
|
+
|
266
|
-
|
267
|
-
|
508
|
+
|
268
|
-
|
269
|
-
i?.stop()
|
270
|
-
|
271
|
-
i?.currentTime = 0
|
272
|
-
|
273
|
-
|
509
|
+
}
|
274
|
-
|
275
|
-
}
|
276
|
-
|
277
|
-
audioPlayers[index]?.play()
|
278
|
-
|
279
|
-
}
|
280
|
-
|
281
|
-
}
|
282
|
-
|
283
|
-
|
284
|
-
|
285
|
-
// 音楽再生が成功した時に呼ばれるメソッド
|
286
|
-
|
287
|
-
func audioPlayerDidFinishPlaying(_ player: AVAudioPlayer, successfully flag: Bool) {
|
288
|
-
|
289
|
-
print("Music Finish")
|
290
|
-
|
291
|
-
}
|
292
|
-
|
293
|
-
|
294
|
-
|
295
|
-
// デコード中にエラーが起きた時に呼ばれるメソッド
|
296
|
-
|
297
|
-
func audioPlayerDecodeErrorDidOccur(_ player: AVAudioPlayer, error: Error?) {
|
298
|
-
|
299
|
-
print("Error")
|
300
|
-
|
301
|
-
}
|
302
|
-
|
303
|
-
|
304
|
-
|
305
|
-
・
|
306
|
-
|
307
|
-
・
|
308
|
-
|
309
|
-
(略)
|
310
|
-
|
311
|
-
・
|
312
|
-
|
313
|
-
・
|
314
|
-
|
315
|
-
|
316
|
-
|
317
|
-
} //classを閉じる
|
318
|
-
|
319
|
-
|
320
510
|
|
321
511
|
```
|
322
512
|
|
@@ -326,9 +516,9 @@
|
|
326
516
|
|
327
517
|
|
328
518
|
|
329
|
-
クラッシュするページで
|
330
|
-
|
331
|
-
エラーチェックでnilが入るコード関連を消すと、
|
519
|
+
クラッシュするページでurlまでは取得できているのですが、audioPlayerのところからnilになり(エラーチェックでエラーがあるならnilが入るようにしている)、デバックエリアに [Error The operation couldn\U2019t be completed. (NSOSStatusErrorDomain error -42.)] と出力されます。
|
520
|
+
|
521
|
+
エラーチェックでnilが入るコード関連を消すと、1ページ分多くめくったところで、AppDelegateのクラス宣言ところに [Thread1: signal SIGABLT] と表示され、デバックエリアには [libc++abi.dylib: terminating with uncaught exception of type NSException] と出力されています。
|
332
522
|
|
333
523
|
|
334
524
|
|
3
タイトル
test
CHANGED
@@ -1 +1 @@
|
|
1
|
-
Swift
|
1
|
+
Swift AVAudioPlayerを導入するとページスクロールでクラッシュする
|
test
CHANGED
@@ -1,4 +1,4 @@
|
|
1
|
-
mp3データの音の再生にAVAudioPlayer
|
1
|
+
mp3データの音の再生にAVAudioPlayerを使用しているのですが、ページをめくって画面遷移していると途中でクラッシュしてしまいます。
|
2
2
|
|
3
3
|
|
4
4
|
|
2
コード記述
test
CHANGED
File without changes
|
test
CHANGED
@@ -1,7 +1,3 @@
|
|
1
|
-
### 前提・実現したいこと
|
2
|
-
|
3
|
-
|
4
|
-
|
5
1
|
mp3データの音の再生にAVAudioPlayerDelegateを使用しているのですが、ページをめくって画面遷移していると途中でクラッシュしてしまいます。
|
6
2
|
|
7
3
|
|
@@ -286,6 +282,26 @@
|
|
286
282
|
|
287
283
|
|
288
284
|
|
285
|
+
// 音楽再生が成功した時に呼ばれるメソッド
|
286
|
+
|
287
|
+
func audioPlayerDidFinishPlaying(_ player: AVAudioPlayer, successfully flag: Bool) {
|
288
|
+
|
289
|
+
print("Music Finish")
|
290
|
+
|
291
|
+
}
|
292
|
+
|
293
|
+
|
294
|
+
|
295
|
+
// デコード中にエラーが起きた時に呼ばれるメソッド
|
296
|
+
|
297
|
+
func audioPlayerDecodeErrorDidOccur(_ player: AVAudioPlayer, error: Error?) {
|
298
|
+
|
299
|
+
print("Error")
|
300
|
+
|
301
|
+
}
|
302
|
+
|
303
|
+
|
304
|
+
|
289
305
|
・
|
290
306
|
|
291
307
|
・
|
1
コード記述
test
CHANGED
File without changes
|
test
CHANGED
@@ -280,8 +280,6 @@
|
|
280
280
|
|
281
281
|
audioPlayers[index]?.play()
|
282
282
|
|
283
|
-
currentPlayer = audioPlayers[index]
|
284
|
-
|
285
283
|
}
|
286
284
|
|
287
285
|
}
|