如何使用滑动手势XCode交换视图 [英] How to swap views using a swipe gesture XCode

问题描述

我使用XCode为iOS平台开发Cocoa touch应用程序，但是却遇到了如何实现滑动手势的问题，允许用户向左或向右滑动手指以更改为新的 ViewController （nib / xib文件）。我已经做了一个 swapView IBAction 使用按钮和模态转换，我已经阅读关于苹果的 TouchGestureRecognizer 但我不知道如何实现允许视图更改的滑动操作。

我不想使用滚动视图，因为我有几打视图控制器，我想要

第一个视图Controller.xib：用户可以通过滑动来移动。

SwipeRight-转到第二个视图Controller.xib

第二个视图Controller.xib：

SwipeLeft-转到第一个视图Controller.xib

SwipeRight-转到第三个视图Controller.xib

等，

没有使用UISwipe /触摸手势之前，但我已经使用 IBAction 方法切换视图使用按钮模态转换（见下文）：

   - （IBAction）swapViews; {
 SecondViewController * second2 = [[SecondViewController alloc initWithNibName：@SecondViewControllerbundle：nil]; 
 second2.modalTransitionStyle = UIModalTransitionStyleCoverVertical; 
 [self presentModalViewController：second2 animated：YES]; 
 [second2 release]; 
} 
  

使用滑动来执行格式不同的类似方法吗？如果是这样，我如何排序和格式化。

谢谢

编辑 - 根据问题上的评论回答 >

将此文件放在viewDidLoad

中

  UISwipeGestureRecognizer * swipeRecognizer = [[UISwipeGestureRecognizer alloc] initWithTarget：self action：@selector（swipeLeftDetected :)]; 
 swipeRecognizer.direction = UISwipeGestureRecognizerDirectionLeft; 
 [self.view addGestureRecognizer：swipeRecognizer]; 
 [swipeRecognizer release]; 
  

然后通过将以下代码粘贴到您的主...添加一个选择器

$ b2
$ b

   - （IBAction）swipeLeftDetected：（UIGestureRecognizer *）sender {
 NC2ViewController * second2 = [[NC2ViewController alloc] initWithNibName：@NC2ViewController bundle：nil]; 
 second2.modalTransitionStyle = UIModalTransitionStyleCrossDissolve; 
 [self presentModalViewController：second2 animated：YES]; 
 [second2 release]; 
} 
  

然后只需确保导入要交换的otherViewController >

  #importSecondViewController
  

在主文件的顶部。希望这有帮助。

结束编辑

解决方案

这听起来像是一个完美的时候使用 UIGestureRecognizer ，或更具体地说， UISwipeGestureRecognizer 。

有关如何使用它们的详细信息，请阅读手势识别器部分的事件处理指南。 p>

I am using XCode to develop a Cocoa touch application for the iOS platform but have had trouble finding out how to get a swipe gesture implemented that would allow the user to swipe their finger left or right to change to a new ViewController (nib/xib file). I have done a swapView IBAction using a button and modal transitioning and I have read about Apple's TouchGestureRecognizer but I don't know how to implement a swipe action that would allow a view change.

I do NOT want to use a scroll view, as I have several dozen view controllers, that I want the user to be able to swipe through.

Here is an example:

First View Controller.xib: SwipeRight- Go to second View Controller.xib

Second View Controller.xib:
SwipeLeft- Go to first View Controller.xib
SwipeRight- Go to third View Controller.xib

etc, etc

I have not used UISwipe/Touch Gestures before but I have used an IBAction method to switch views using a button with Modal Transitioning (see below):

-(IBAction)swapViews; { 
    SecondViewController *second2 =[[SecondViewController alloc initWithNibName:@"SecondViewController" bundle:nil];
    second2.modalTransitionStyle = UIModalTransitionStyleCoverVertical;
    [self presentModalViewController:second2 animated:YES];
    [second2 release];
}

Is using a swipe to do a similar method formatted differently? If so, how do I sort this out and format it.

Thank You

Edit - Answer as Per Comment on Question

Place this in your viewDidLoad

UISwipeGestureRecognizer *swipeRecognizer = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(swipeLeftDetected:)];
swipeRecognizer.direction = UISwipeGestureRecognizerDirectionLeft;
[self.view addGestureRecognizer:swipeRecognizer];
[swipeRecognizer release];

Then add a selector as by pasting the following code into your main...

- (IBAction)swipeLeftDetected:(UIGestureRecognizer *)sender {
    NC2ViewController *second2 =[[NC2ViewController alloc] initWithNibName:@"NC2ViewController" bundle:nil];
    second2.modalTransitionStyle = UIModalTransitionStyleCrossDissolve;
    [self presentModalViewController:second2 animated:YES];
    [second2 release];
}

Then just make sure you import the otherViewController you are swapping to using

#import "SecondViewController"

at the top of your main file. Hope this helps.

End Edit

解决方案

This sounds like a perfect time to use UIGestureRecognizer or, more specifically, UISwipeGestureRecognizer.

For more info on how to use them, read up in the Gesture Recognizers section of the Event Handling Guide.

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