相关疑难解决方法(0)

是否有可能在iOS屏幕上拖动UIView同时具有图像和文本？例如小卡片.你能指点我类似的(已解决的)主题吗？我还没找到.

我有一个VC RaceDayChecklistViewController.m,它是RaceDayChecklistViewControllerBase.m的子类.

在RaceDayChecklistVC.m中,添加了一个被调用两次的目标操作.nextOrNewButton是点击的按钮,我想调用"demo"动作.另外,checklistnavigationItem是栏按钮项.

- (void)viewDidLoad
{
    checklistTableViewBase=checklistTableView;
   checklistNavigationItemBase=checklistnavigationItem;
    nextOrNewButtonBase=nextOrNewButton;

    [nextOrNewButton addTarget:self action:@selector(demo) forControlEvents:UIControlEventAllEvents];

}

-(void) demo
{
    RaceDayDataController *sharedController = [RaceDayDataController sharedDataController];

    if (sharedController.isSubmited)
    {
        [self.checklistnavigationItem setTitle:@"New"]; //
    }
    else
    {
        [self.checklistnavigationItem setTitle:@"Next"];
        [self showAlert];
    }
}

-(void) viewWillDisappear:(BOOL)animated
{
    [nextOrNewButton removeTarget:self action: @selector(demo) forControlEvents:UIControlEventAllEvents];
}

可能是多次调用动作演示的原因是什么？它是基类负责人吗？

请指导.