IOS - 页面跳转及返回 (push-pop,modal-dismiss)
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ViewController之间常用的有以下2种:
1.UINavigationController 采用压栈和出栈的方式对 ViewController进行管理。
<pre name="code" class="objc" style="font-size: 14px;"> <span style="color:#ff0000;">1)跳转 <span style="line-height: 25.2000007629395px; font-family: Helvetica, Tahoma, Arial, sans-serif;">pushViewController</span></span>
<span style="white-space:pre"></span>SettingViewController *settingVC = [[SettingViewController alloc]init]; <span style="white-space:pre"></span>[self.navigationController <span style="color:#ff0000;">pushViewController</span>:settingVC animated:YES];
<span style="color:#ff0000;">2)返回 pop 有四个方法</span>
<span style="font-size: 14px; color: rgb(255, 0, 0); white-space: pre;"></span><span style="font-size: 14px;">//返回上一个视图控制器</span><span style="color:#ff0000;font-size: 14px;"></span><pre name="code" class="objc" style="font-size: 14px;"><span style="color: rgb(255, 0, 0); white-space: pre;"></span>[self.navigationController <span style="color:#ff0000;">popViewControllerAnimated</span>:YES];
<span style="white-space:pre"></span>//返回到根视图控制器 <span style="white-space: pre;"></span>[self.navigationController <span style="color:#ff0000;">popToRootViewControllerAnimated</span>:YES];
<span style="white-space:pre"></span>//返回到指定的视图控制器 <span style="white-space: pre;"></span>[self.navigationController <span style="color:#ff0000;">popToViewController</span>:<span style="background-color: rgb(51, 204, 255);">(UIViewController *)</span> animated:YES];
<span style="font-size: 14px; white-space: pre;"></span><span style="font-size:24px;">用法:</span>
<span style="font-size:24px; white-space: pre;"></span><span style="font-size:18px;">1>根据导航控制器中视图控制器的<span style="color:#ff0000;">角标</span></span>
<span style="white-space: pre;"><span style="font-size:18px;"><span style="white-space:pre"></span></span><span style="font-size:14px;">[self.navigationController popToViewController:[<span style="color:#ff0000;">self.navigationController.viewControllers <span style="white-space:pre"></span>objectAtIndex:1</span>] animated:YES];</span></span>
<span style="white-space: pre;"><span style="font-size:14px; white-space: pre;"></span><span style="font-size:18px;">2>遍历导航控制器根据<span style="color:#ff0000;">指定</span>视图控制器的<span style="color:#ff0000;">类名</span></span></span>
<span style="white-space: pre;"><span style="font-size:14px;"><span style="white-space:pre"></span>for (UIViewController *temp in self.navigationController.viewControllers) { <span style="white-space:pre"></span>if ([temp <span style="color:#ff0000;">isKindOfClass</span>:[需跳转到得Controller class]]) { <span style="white-space:pre"></span>[self.navigationController popToViewController:temp animated:YES]; <span style="white-space:pre"></span>}<span style="white-space:pre"></span>}</span><span style="font-size:18px;"></span></span>
<span style="font-size:24px;"> </span><span style="font-size:12px;">//<span style="color: rgb(51, 51, 51); font-family: Roboto, 'Helvetica Neue', 'Segoe UI', Verdana, Tahoma, 'Hiragino Sans GB', 'Microsoft YaHei', 'WenQuanYi Micro Hei', sans-serif; letter-spacing: 0.119999997317791px; line-height: 36px;">UIPopoverPresentationController(ios 8 新特性 类似于 Android 中的对话框式的 Activity) 的返回</span></span>
<span style="white-space:pre"></span>[self.navigationController <span style="color:#ff0000;">popoverPresentationController</span>];
2、利用UIViewController自身的presentModalViewController进行跳转
<span style="font-size:14px;"> <span style="color:#ff0000;">1)跳转</span> </span><span style="font-size:14px; white-space: pre;"></span><span style="font-size:14px;">SettingViewController *settingVC = [[SettingViewController alloc] init]; </span><span style="font-size:14px; white-space: pre;"></span><span style="font-size:14px;">[self </span><span style="color:#ff0000;font-size:14px;">presentModalViewController:settingVC</span><span style="font-size:14px;"> animated:YES]; <span style="color:#ff0000;">2)返回</span> </span><span style="font-size:14px; white-space: pre;"></span><span style="font-size:12px;"><span class="s1" style="font-family: Helvetica, Tahoma, Arial, sans-serif; line-height: 25.2000007629395px;">[</span><span class="s2" style="font-family: Helvetica, Tahoma, Arial, sans-serif; line-height: 25.2000007629395px;">self</span><span class="s1" style="font-family: Helvetica, Tahoma, Arial, sans-serif; line-height: 25.2000007629395px;"> </span><span class="s3" style="font-family: Helvetica, Tahoma, Arial, sans-serif; line-height: 25.2000007629395px;"><span style="color:#ff0000;">dismissViewControllerAnimated</span></span><span class="s1" style="font-family: Helvetica, Tahoma, Arial, sans-serif; line-height: 25.2000007629395px;">:</span><span class="s2" style="font-family: Helvetica, Tahoma, Arial, sans-serif; line-height: 25.2000007629395px;">YES</span><span class="s1" style="font-family: Helvetica, Tahoma, Arial, sans-serif; line-height: 25.2000007629395px;"> </span><span class="s3" style="font-family: Helvetica, Tahoma, Arial, sans-serif; line-height: 25.2000007629395px;">completion</span><span class="s1" style="font-family: Helvetica, Tahoma, Arial, sans-serif; line-height: 25.2000007629395px;">:</span><span class="s2" style="font-family: Helvetica, Tahoma, Arial, sans-serif; line-height: 25.2000007629395px;">nil</span><span class="s1" style="font-family: Helvetica, Tahoma, Arial, sans-serif; line-height: 25.2000007629395px;">];</span></span>
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