回答編集履歴
2
try!!!!!
test
CHANGED
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@@ -4,7 +4,7 @@
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4
4
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5
5
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do {
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6
6
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7
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-
let audioPlayer = AVAudioPlayer(contentsOfURL: pianoSoundURL)
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7
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+
let audioPlayer = try AVAudioPlayer(contentsOfURL: pianoSoundURL)
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8
8
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9
9
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audioPlayer.prepareToPlay()
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10
10
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1
例外処理追加
test
CHANGED
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@@ -2,8 +2,20 @@
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2
2
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3
3
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```swift
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4
4
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5
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+
do {
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6
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+
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5
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-
let audioPlayer = AVAudioPlayer(contentsOfURL: pianoSoundURL)
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7
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+
let audioPlayer = AVAudioPlayer(contentsOfURL: pianoSoundURL)
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8
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+
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9
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+
audioPlayer.prepareToPlay()
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10
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+
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11
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+
audioPlayers.append(audioPlayer)
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12
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+
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13
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+
} catch {
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14
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+
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15
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+
print("error")
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16
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+
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17
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+
}
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6
18
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7
19
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```
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8
20
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9
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-
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21
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+
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