的UIView滚动到的UIScrollView与的PageControl

-1

我试图做一个“指令”窗口用的PageControl包含一些UIViewControllers一个UIScrollView中：的UIView滚动到的UIScrollView与的PageControl

- (void)loadScrollViewWithPage:(NSInteger)page { 
    if (page < 0 || page >= kNumberOfPages) return; 

    switch (page) { 
     case 0: 
      [[WelcomeViewController alloc] initWithNibName:@"WelcomeViewController" bundle:nil]; 
      break; 
     case 1:    
      [[HomeViewController alloc] initWithNibName:@"HomeViewController" bundle:nil]; 
      break; 
     case 2: 
      [[FirstTabViewController alloc] initWithNibName:@"FirstTabViewController" bundle:nil]; 
      break; 
     case 3: 
      [[SecondTabViewController alloc] initWithNibName:@"SecondTabViewController" bundle:nil]; 
      break; 

     case 4: 
      [[ThirdViewController alloc] initWithNibName:@"ThirdViewController" bundle:nil]; 
      break; 
     default: 
      [[WelcomeViewController alloc] initWithNibName:@"WelcomeViewController" bundle:nil]; 
      break; 

    } 

}

我不能让它工作。

滚动工作，但我无法显示任何我制作的UIViewController！

我该如何让它工作？

来源

2011-10-15 Phillip

听起来像你对快速修复更感兴趣，而不是做对了。好的。以下是你如何做到的。

- (void)loadScrollViewWithPage:(NSInteger)page { 
    if (page < 0 || page >= kNumberOfPages) return; 

    UIViewController * newController = NULL; 

    switch (page) { 
     case 0: 
      newController = (UIViewController *)[[WelcomeViewController alloc] initWithNibName:@"WelcomeViewController" bundle:nil]; 
      break; 
     case 1:    
      newController = (UIViewController *)[[HomeViewController alloc] initWithNibName:@"HomeViewController" bundle:nil]; 
      break; 
     case 2: 
      newController = (UIViewController *)[[FirstTabViewController alloc] initWithNibName:@"FirstTabViewController" bundle:nil]; 
      break; 
     case 3: 
      newController = (UIViewController *)[[SecondTabViewController alloc] initWithNibName:@"SecondTabViewController" bundle:nil]; 
      break; 
     case 4: 
      newController = (UIViewController *)[[ThirdViewController alloc] initWithNibName:@"ThirdViewController" bundle:nil]; 
      break; 
     default: 
      newController = (UIViewController *)[[WelcomeViewController alloc] initWithNibName:@"WelcomeViewController" bundle:nil]; 
      break; 
    } 

    if(newController) 
    { 
     // this method is inside a UIScrollView, right? 
     [self.contentView addSubview: newController.view]; 
    } 

    // at this point, newController has been alloc'd and retained. You should either release it next time you enter 
    // into loadScrollViewWithPage (i.e. declare newController as an object in your .h file) or you should 
    // add "autorelease" after all of those initWithNibName calls up there 
}

来源

2011-10-15 16:40:39

试过这样。现在的问题是它加载了视图，但是它在每次滚动时将它们全部加载到第一页（第0页）！我的意思是，如果我进入第一页（0），并且滚动到下一页，我什么都看不到。但是如果我回到第一页，我可以看到第一个控制器！ – Phillip

我认为这是一个好主意，阅读iOS视图控制器编程指南：http://developer.apple.com/library/ios/#featuredarticles/ViewControllerPGforiPhoneOS/Introduction/Introduction.html#//apple_ref/doc/uid/TP40007457-CH1-SW1 – jcm

尝试使用UIPageViewController并添加许多不同的视图控制器（及其滚动视图）。

http://developer.apple.com/library/ios/#documentation/UIKit/Reference/UIPageViewControllerClassReferenceClassRef/UIPageViewControllerClassReference.html

附： UIPageViewController是iOS 5和更新的版本。

来源

2011-10-15 13:55:04

我也想过使用它，谢谢。但我也想知道我该如何解决这个问题！ – Phillip

@Phillip你实际上并没有放任何代码来显示视图。 – jcm

@jcm我该如何向他们展示？我应该声明一个tmpController吗？ – Phillip

的UIView滚动到的UIScrollView与的PageControl

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