AppDelegate *delegate = (AppDelegate *)[[UIApplication sharedApplication] delegate];
BMBaseTabController *tab = (BMBaseTabController *)delegate.window.rootViewController;
tab.selectedIndex = 1;
拿到tabbar 单例,让当前选中变成 要跳转的controller个数
本文详细介绍了如何通过Objective-C编程语言,使用AppDelegate和BMBaseTabController类,实现从AppDelegate窗口根视图控制器中获取单例,并设置指定索引为选中状态,从而在iOS应用中动态改变Tab栏选项。
AppDelegate *delegate = (AppDelegate *)[[UIApplication sharedApplication] delegate];
BMBaseTabController *tab = (BMBaseTabController *)delegate.window.rootViewController;
tab.selectedIndex = 1;
拿到tabbar 单例,让当前选中变成 要跳转的controller个数
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