UIPickerView点击可滚动自定义行视图(&C)

您可以通过滑动和轻触选择带下方或上方的项目来滚动UIPickerView。

可以通过将NSString指定为标题或为每行指定可重用的UIView来填充UIPickerView。

我注意到,当我从提供字符串切换到提供视图时,点击滚动不再有效。这是预期的行为。我的观点是否应该将一些接触事件转发给UIPickerView?

编辑:

以下是我的实现的代码示例:

// Creating the picker
screenPicker_ = [UIPickerView new];
screenPicker_.showsSelectionIndicator = YES;
screenPicker_.delegate = delegate_;
screenPicker_.dataSource = delegate_;
[self addSubview:screenPicker_];
[screenPicker_ release];

// Row view creation delegate
- (UIView *)pickerView:(UIPickerView *)pickerView viewForRow:(NSInteger)row forComponent:(NSInteger)component reusingView:(UIView *)view
{
    PickerRowView *pickerRowView = (PickerRowView*)view;
    if(view == nil)
    {
        pickerRowView = [[PickerRowView alloc] initWithFrame:CGRectMake(0, 0, pickerView.frame.size.width, PICKER_ROW_HEIGHT)];
    }

    [pickerRowView SetTitle:@"some title"];

    return pickerRowView;
}

// initailizer of the PickerRowView class (an UIView subclass)
- (id)initWithFrame:(CGRect)frame 
{
    if ((self = [super initWithFrame:frame])) 
    {
        CGFloat titleHeight = frame.size.height * CONTENT_TO_FRAME_RATIO;
        title_ = [[UILabel alloc] initWithFrame:CGRectMake(TITLE_X, (frame.size.height - titleHeight) / 2, frame.size.width, titleHeight)];
        [title_ setFont:[UIFont fontWithName:@"StainlessExt-Light" size:titleHeight]];
        title_.backgroundColor = [UIColor clearColor];
        [self addSubview:title_];
        [title_ release];

        self.userInteractionEnabled = NO;
    }
    return self;
}