AVAudioSession *avSession = [AVAudioSession sharedInstance];
if ([avSession respondsToSelector:@selector(requestRecordPermission:)]) {
[avSession requestRecordPermission:^(BOOL available) {
if (available) {
//completionHandler
}
else
{
dispatch_async(dispatch_get_main_queue(), ^{
[[[UIAlertView alloc] initWithTitle:@"无法录音" message:@"请在“设置-隐私-麦克风”选项中允许xx访问你的麦克风" delegate:nil cancelButtonTitle:@"确定" otherButtonTitles:nil] show];
});
}
}];
}
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