您希望将如下类似代码添加到Podfile中以添加pod 'UIViewController+KSAdditions', '~> 0.3'

target 'MyApp' do
  pod 'UIViewController+KSAdditions', '~> 0.3'
end

然后在终端内或从CocoaPods.app中执行pod install

或者为了测试运行，执行以下命令

pod try UIViewController+KSAdditions