Application windows are expected to have a root view controller at the end of application launch解决方法

最新推荐文章于 2021-12-24 17:12:00 发布
最新推荐文章于 2021-12-24 17:12:00 发布
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本文链接：https://blog.youkuaiyun.com/Leeyehong_self/article/details/8493198
本文提供了解决iOS5及以上版本中应用程序加载时需要根视图控制器的详细步骤，通过实例代码展示如何初始化并设置根视图控制器。

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解决方法：在ios5以上版本，应用程序加载时，需要一个 root view controller ，所以需要编写代码

_rootViewController = [[RootViewController alloc] init];

self.window.rootViewController = _rootViewController;

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关于Application windows are expected to have a root view controller at the end of application launch
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Application windows are expected to have a root view controller at the end of application launch这个问题在新版xcode和iOS6中出现，一些iOS5的经典著作的例子可能会有这种警告，解决的办法是添加一句 [self.window setRootViewController: rootControlle
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问题：Applications are expected to have a root view controller at the end of application launch 环境：XCode4.2 场景：这种问题多发生在XCode4.2 移植低版本项目时出现。 原因：在iOS5下，应用加载时，需要一个root view controller，在iOS5以下的版本会有MainW
expected at the end of input
最新发布
11-19
"expected at the end of input"是编译器或解释器的错误提示，意思是在代码的结尾处缺少了某些内容。这通常是由于括号、引号、分号等符号未正确匹配或缺失导致的。解决此问题的方法是检查代码的结尾是否缺少某些符号，或者检查代码中是否有未正确匹配的符号。 举个例子，如果你在C++中编写以下代码： ```c++ #include <iostream> using namespace std; int main() { cout << "Hello, world!" << endl; return 0; } // 缺少一个右括号 ``` 编译器会提示错误信息："expected '}' at the end of input"，这意味着在代码的结尾处缺少一个右括号。
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