設(shè)置TabBarItem的文字屬性
- 直接設(shè)置每一個(gè)tabBarItem對(duì)象
// 普通狀態(tài)下的文字屬性
NSMutableDictionary *normalAttrs = [NSMutableDictionary dictionary];
normalAttrs[NSFontAttributeName] = [UIFont systemFontOfSize:14];
normalAttrs[NSForegroundColorAttributeName] = [UIColor grayColor];
[vc.tabBarItem setTitleTextAttributes:normalAttrs forState:UIControlStateNormal];
// 選中狀態(tài)下的文字屬性
NSMutableDictionary *selectedAttrs = [NSMutableDictionary dictionary];
selectedAttrs[NSFontAttributeName] = normalAttrs[NSFontAttributeName];
selectedAttrs[NSForegroundColorAttributeName] = [UIColor darkGrayColor];
[vc.tabBarItem setTitleTextAttributes:selectedAttrs forState:UIControlStateSelected];
// 字典中用到的key
1.iOS7之前(在UIStringDrawing.h中可以找到)
- 比如UITextAttributeFont\UITextAttributeTextColor
- 規(guī)律:UITextAttributeXXX
2.iOS7開始(在NSAttributedString.h中可以找到)
- 比如NSFontAttributeName\NSForegroundColorAttributeName
- 規(guī)律:NSXXXAttributeName
- 通過UITabBarItem的appearance對(duì)象統(tǒng)一設(shè)置
/**** 設(shè)置所有UITabBarItem的文字屬性 ****/
UITabBarItem *item = [UITabBarItem appearance];
// 普通狀態(tài)下的文字屬性
NSMutableDictionary *normalAttrs = [NSMutableDictionary dictionary];
normalAttrs[NSFontAttributeName] = [UIFont systemFontOfSize:14];
normalAttrs[NSForegroundColorAttributeName] = [UIColor grayColor];
[item setTitleTextAttributes:normalAttrs forState:UIControlStateNormal];
// 選中狀態(tài)下的文字屬性
NSMutableDictionary *selectedAttrs = [NSMutableDictionary dictionary];
selectedAttrs[NSFontAttributeName] = normalAttrs[NSFontAttributeName];
selectedAttrs[NSForegroundColorAttributeName] = [UIColor darkGrayColor];
[item setTitleTextAttributes:normalAttrs forState:UIControlStateSelected];
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