相关疑难解决方法(0)

我创建了一个用作自定义一个UICollectionViewController的子类inputAccessoryViewController中UITextView. https://developer.apple.com/reference/uikit/uiresponder/1621124-inputaccessoryviewcontroller

当您使用playInputClick点击集合视图中的单元格时,我想播放键盘单击声音. https://developer.apple.com/reference/uikit/uidevice/1620050-playinputclick

我无法弄清楚如何在集合视图中使用它.它适用于这样的简单视图使用a的inputAccessoryView属性,UITextView但我不确定在集合视图控制器层次结构中的子类视图,以获得键盘单击声音.

@interface KeyboardClickView : UIView <UIInputViewAudioFeedback>
@end

@implementation KeyboardClickView
- (id)initWithFrame:(CGRect)frame
{
    self = [super initWithFrame:frame];
    if(self)
    {
        UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(tap:)];
        [self addGestureRecognizer:tap];
    }
    return self;
}

- (void)tap:(id)sender
{
    [[UIDevice currentDevice] playInputClick];
}

- (BOOL)enableInputClicksWhenVisible
{
    return YES;
}
@end

@implementation AppDelegate
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{   
    _inputAccessoryView = [[KeyboardClickView alloc] initWithFrame:CGRectMake(0, 0, 0, 50)];
    _inputAccessoryView.backgroundColor = [UIColor redColor];
    [[UITextView appearance] setInputAccessoryView:_inputAccessoryView]; …

嗨,我正在尝试一些示例和检查文档,但我不能让它工作.这是我的代码:

@interface AHMSoudView : UIView <UIInputViewAudioFeedback> 
- (void) playClick;
@end

@implementation AHMSoudView
- (id)initWithFrame:(CGRect)frame {
    self = [super initWithFrame:frame];
    if (self) {
     // Initialization code
    }
    return self; 
}



- (BOOL) enableInputClicksWhenVisible {
    return YES; 
} 
- (void) playClick {
    [[UIDevice currentDevice] playInputClick]; 
}
@end

在故事板中,我将视图设置为我的AHMSoundView.在控制器中,我有:

- (IBAction)keypadTouchDown:(id)sender {
    [((AHMSoudView *)self.view) playClick];
}

但没有任何反应.我究竟做错了什么？

在界面构建器中,"可访问性"下的UIButton属性显示为"播放声音".

任何人都可以解释这是什么.实际上我正在制作一个应用程序,它在每次按钮点击播放声音,我可以禁用设置屏幕的声音.UIButton的这个属性能帮助我吗？

谢谢