- (void)viewDidLoad { [super viewDidLoad]; // Do any additional setup after loading the view, typically from a nib. UIButton *button = [UIButton buttonWithType:UIButtonTypeSystem]; button.frame = CGRectMake(0, 200, 100, 100); [button setTitle:@"测试" forState:UIControlStateNormal]; [self.view addSubview:button]; [button addTarget:self action:@selector(buttonAction:) forControlEvents:UIControlEventTouchUpInside]; baiduVoiceVC = [[BDRecognizerViewController alloc] initWithOrigin:CGPointMake(20, 100)...