录音权限检测

录音权限检测.m

    AVAudioSession* session = [AVAudioSession sharedInstance];
    if ([session respondsToSelector:@selector(requestRecordPermission:)]) {
        [session performSelector:@selector(requestRecordPermission:) withObject:^(BOOL granted) {
            if (granted) {
                // Microphone enabled code
                NSLog(@"Microphone is enabled..");

                dispatch_async(dispatch_get_main_queue(), ^{
                    
                    if (!self.recordBtn.selected) {
                        if ([AudioPlayingManager sharedInstance].audioPlayer) {
                            [[AudioPlayingManager sharedInstance].audioPlayer stop];
                        }
                        [self startAnimation];
                        [self startRecord];
                        self.recordBtn.selected = YES;
                    }
                });
            }
            else {
                // Microphone disabled code
                NSLog(@"Microphone is disabled..");
                
                // We're in a background thread here, so jump to main thread to do UI work.
                dispatch_async(dispatch_get_main_queue(), ^{
                    [[[UIAlertView alloc] initWithTitle:LocStr(@"麦克风无法访问")
                                                message:LocStr(@"魔音功能,需要麦克风进行录音\n\n打开麦克风方式:                   \n设置 / 隐私 / 麦克风")
                                               delegate:nil
                                      cancelButtonTitle:LocStr(@"知道了")
                                      otherButtonTitles:nil] show];
                });
            }
        }];
    }