iOS [错误:'Changing the delegate of a tab bar managed by a tab bar controller is not allowed.'] 错误:'Changing the delegate of a tab bar managed by a tab bar controller is not allowed.' 意为不允许修tabBar的delegate属性 产生原因:设置代理的这句代码写在了 为 tabBarController 的 tabBa…
ProblemYou would like to directly manipulate the array of view controllers associated with aspecific navigation controller SolutionUse the viewControllers property of the UINavigationController class to access andmodify the array of view controllers…
用Tab Bar Controller处理IPhone多个view切换, 而且还附有创建空项目,picker和DataPicker的实现! 具体步骤: 1.创建一个空项目,选择User Interface->View,命名为rootView. 2.然后在控件面板中拖一个Tab Bar Controller的控件,可以往里面添加Tab Button,将Tab Bar Controller的File's Owner改成AppDelegate,可以将其每一个Item View的Class属性改成对于的…
先上效果图: 假设 tab bar items 有5个.tag为0,1,2,3,4.storyboard中tab bar controller继承的class叫做xxxVC. class xxxVC: UITabBarController { var storedImageViewArr:[UIImageView?] = [] private var times = [Int].init(repeating: 0, count: 5) private var tempTimes = [Int].…