OC-UITabBar上相关设置

• 去掉黑线

[UITabBar appearance].barStyle = UIBarStyleBlack;

• 自定义黑线颜色

CGRect rect = CGRectMake(0, 0, [UIApplication sharedApplication].keyWindow.bounds.size.width, 1);
UIGraphicsBeginImageContext(rect.size);
CGContextRef context = UIGraphicsGetCurrentContext();
CGContextSetFillColorWithColor(context, [UIColor redColor].CGColor);
UIImage *image = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
[UITabBar appearance].shadowImage = image;

• 设置背景色

[UITabBar appearance].backgroundColor = hw_BGColor;

• 自定义背景图片

[UITabBar appearance].backgroundImage = [UIImage imageNamed:@"TabBar_BG"];

• 设置字体偏移

[UITabBarItem appearance].titlePositionAdjustment = UIOffsetMake(0.0,0.0);

• 字体

[[UITabBarItem appearance] setTitleTextAttributes:@{NSFontAttributeName:[UIFont systemFontOfSize:15]} forState:UIControlStateNormal];

• 未选中颜色

[[UITabBarItem appearance] setTitleTextAttributes:@{NSForegroundColorAttributeName:self.normalColor} forState:UIControlStateNormal];

• 选中颜色

[[UITabBarItem appearance] setTitleTextAttributes:@{NSForegroundColorAttributeName:self.selectColor} forState:UIControlStateSelected];

注意:有点设置无限需要将[UITabBar appearance].translucent = YES;才可以

• NavigationController 隐藏黑线

self.navigationBar.barStyle = UIBaselineAdjustmentNone;