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我正在运行sample code音频录制(源代码可在本文结尾处下载)。该代码是这样的AVAudioRecorder在prepareToRecord上抛出异常
NSArray *pathComponents = [NSArray arrayWithObjects:
[NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) lastObject],
@"MyAudioMemo.m4a",
nil];
NSURL *outputFileURL = [NSURL fileURLWithPathComponents:pathComponents];
// Setup audio session
AVAudioSession *session = [AVAudioSession sharedInstance];
[session setCategory:AVAudioSessionCategoryPlayAndRecord error:nil];
// Define the recorder setting
NSMutableDictionary *recordSetting = [[NSMutableDictionary alloc] init];
[recordSetting setValue:[NSNumber numberWithInt:kAudioFormatMPEG4AAC] forKey:AVFormatIDKey];
[recordSetting setValue:[NSNumber numberWithFloat:44100.0] forKey:AVSampleRateKey];
[recordSetting setValue:[NSNumber numberWithInt: 2] forKey:AVNumberOfChannelsKey];
// Initiate and prepare the recorder
recorder = [[AVAudioRecorder alloc] initWithURL:outputFileURL settings:recordSetting error:nil];
recorder.delegate = self;
recorder.meteringEnabled = YES;
[recorder prepareToRecord];
然而,在prepareToRecord在模拟器上运行时抛出异常:
它不记录,它会运行良好,如果我只是关闭休息指出例外。但这很烦人。怎么了?
音频演示应用程序完美。我不明白为什么它会为你崩溃。 –
这很奇怪。我重新下载,以确保我没有插手任何东西。我想这只是我的系统。 – huggie
@Bhumeshwerkatre顺便说一句,你是否为所有例外添加了断点? – huggie