今天写录音代码的时候,在iOS7以下就可以录音,但是iOS7上不可以,后来才知道iOS7录音方式变了,加上下面的代码就可以了,bingo
AVAudioSession *audioSession = [AVAudioSession sharedInstance];
[audioSession setCategory:AVAudioSessionCategoryPlayAndRecord error:nil];
[audioSession setActive:YES error:nil];
if ([audioSession respondsToSelector:@selector(requestRecordPermission:)]) { [audioSession performSelector:@selector(requestRecordPermission:) withObject:^(BOOL granted) { if (granted) { // Microphone enabled code } else { // Microphone disabled code } }]; }
[_recorder prepareToRecord];
_recorder.meteringEnabled = YES;
[_recorder record];
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