UISegmentedControl设置UITableView、页面控件、滚动视图、图像视图

Question

我有一个带有 4 段

段 1 的分段控件 - 我需要一个页面控件来滑动照片<- ->左 &正确的。最多 1- 4 张照片

第 2 段和第 2 段3 - 我需要一个表格视图

段 4 - 我需要它能够播放视频

我目前正在使用

- (IBAction)infoAction:(id)sender {

NSString * selectedTitle = [info titleForSegmentAtIndex:[info selectedSegmentIndex]];


NSLog(@"Selected Title = %@",selectedTitle);//test


switch ([info selectedSegmentIndex])

{   case 0:
    {
        test.text = [frogInfo.imageFiles objectAtIndex:0];
        test.textColor = [UIColor whiteColor];
        [tempImageView setImage:[UIImage imageNamed:@"Detail1Temp.png"]];
        break;

    }


    case 1:

    {    

        test.text = frogInfo.description;
                    test.textColor = [UIColor whiteColor];
        [tempImageView setImage:[UIImage imageNamed:@"Detail2Temp.png"]];
        break;

    }

    case 2:

    {
        test.text = frogInfo.distribution;
        test.textColor = [UIColor whiteColor];
        [tempImageView setImage:[UIImage imageNamed:@"Detail3Temp.png"]];
        break;

    }

    case 3:

    {

        test.text = [frogInfo.videoFiles objectAtIndex:0];
        test.textColor = [UIColor whiteColor];
        [tempImageView setImage:[UIImage imageNamed:@"Detail4Temp.png"]];
        break;

    }

}

}

页面控件

部分表格视图

根据我想做的事情，可能吗？在这个 switch case 函数中？

任何人都可以展示或提供有关如何计算页面控件滑动的教程的任何链接吗？

感谢您阅读

德斯

Answer 1

我做了一些非常类似的事情，尽管我使用了 UISlider 而不是分段控件 - 你需要的是一个可分页的 UISCrollview，其中有 4 个大小相等的页面（UIViews），如果每页占据 iPhone 的整个宽度为 320，则依次水平加载宽，滚动视图的内容大小宽度将为 1280。绑定 UIsegmented 控件以编程方式滚动页面：

假设页面宽度为 320：

     -(IBAction)movepage:(id)sender {
      int xloc = (segmentedController.selectedSegmentIndex * 320);
      CGRect fieldrect = CGRectMake(xloc,0,320, pagesize.height);

    [scrollView scrollRectToVisible:fieldrect animated:YES];

}

要加载滚动视图和管理页面控制器：

pagectrl.numberOfPages = 4;
pagectrl.currentPage = 0;

scrollView.pagingEnabled = YES;
scrollView.contentSize=CGSizeMake(320* pagectrl.numberOfPages, 500);
scrollView.showsVerticalScrollIndicator = NO;
scrollView.showsHorizontalScrollIndicator = YES;
scrollView.bouncesZoom = NO;
scrollView.decelerationRate = UIScrollViewDecelerationRateFast;
scrollView.scrollsToTop = NO;


scrollView.delegate = self;
search_url.delegate = self;
user.delegate = self;
password.delegate = self;
rpc_code.delegate = self;


// add pages

int page = 0;

CGRect frame = scrollView.frame;
pagesize = frame.size.width;
frame.origin.y = 0;
frame.origin.x = frame.size.width * page;
firstView.frame = frame;
[scrollView addSubview:firstView];

page ++;
frame.origin.x = frame.size.width * page;
locsubView.frame = frame;
[scrollView addSubview:locsubView];

page ++;
frame.origin.x = frame.size.width * page;
QRgensubView.frame = frame;
[scrollView addSubview:QRgensubView];

page ++;
frame.origin.x = frame.size.width * page;
scansubView.frame = frame;
[scrollView addSubview:scansubView];

page ++;
frame.origin.x = frame.size.width * page;
symbologysubView.frame = frame;
[scrollView addSubview:symbologysubView];


[self registerForKeyboardNotifications];

 CGRect fieldrect = CGRectMake(0,0,320, pagesize);

 [scrollView scrollRectToVisible:fieldrect animated:YES];  //goto 1st page

}

请注意，您可能需要控制或管理用户滚动滚动视图的能力 - 您可以通过设置滚动视图委托来做到这一点 - 下面的代码不适合您的确切要求，但我相信您可以弄清楚剩下的！

 - (void)scrollViewDidScroll:(UIScrollView *)sender
   {
   // We don't want a "feedback loop" between the UIPageControl and the scroll delegate  in

  // which a scroll event generated from the user hitting the page control triggers updates from

   // the delegate method. We use a boolean to disable the delegate logic when the page control is used.

   //  if (pageControlUsed)
   //  {
  // do nothing - the scroll was initiated from the page control, not the user dragging
  //       return;
  //   }

  // Switch the indicator when more than 50% of the previous/next page is visible

  int page = floor((scrollView.contentOffset.x - pagesize / 2) / pagesize) + 1;
  pagectrl.currentPage = page;



  // A possible optimization would be to unload the views+controllers which are no longer visible
 }