UITabBar小红点(适配iPad)
一、解决上面问题可以采取遍历UITabBarButton的方法获取item的宽度
CGFloat tabBarItemWidth = 0;
for (UIView *view in [self subviews]) {
if ([view isKindOfClass:NSClassFromString(@"UITabBarButton")]) {
if (tabBarItemWidth == 0) {
tabBarItemWidth = view.frame.origin.x;
NSLog(@"----%f",tabBarItemWidth);
} else {
tabBarItemWidth = view.frame.origin.x - tabBarItemWidth;
break;
}
}
}
二、自定bageValue适配 iPhone和iPad(系统self.tabBarController.tabBarItem.badgeValue就可以)
1、UITabBar+badge.h
- (void)showBadgeOnItemIndex:(int)index; //显示小红点 - (void)hideBadgeOnItemIndex:(int)index; //隐藏小红点
2、UITabBar+badge.m
*
*使用需要设置参数 tabbar的个数
*/
#define TabbarItemNums 4 //tabbar的数量 如果是5个设置5
@implementation UITabBar (badge)
//显示小红点
- (void)showBadgeOnItemIndex:(int)index{
//移除之前的小红点
[self removeBadgeOnItemIndex:index];
//新建小红点
UIView *badgeView = [[UIView alloc]init];
badgeView.tag = 888 + index;
badgeView.layer.cornerRadius = 5;//圆形
badgeView.backgroundColor = [UIColor redColor];//颜色:红色
CGFloat tabBarItemWidth = 0;
for (UIView *view in [self subviews]) {
if ([view isKindOfClass:NSClassFromString(@"UITabBarButton")]) {
if (tabBarItemWidth == 0) {
tabBarItemWidth = view.frame.origin.x;
NSLog(@"----%f",tabBarItemWidth);
} else {
tabBarItemWidth = view.frame.origin.x - tabBarItemWidth;
break;
}
}
}
//计算iPad两边的宽度
CGFloat Padding = (kScreenWidth-tabBarItemWidth*TabbarItemNums)/2;
//计算小红点的xy坐标 (0.6 0.1属于百分比可以自己定义)
CGFloat x = Padding + index*tabBarItemWidth +tabBarItemWidth*0.6;
CGFloat y = 0.1 * self.frame.size.height;
badgeView.frame = CGRectMake(x, y, 10, 10);//圆形大小为10
[self addSubview:badgeView];
}
//隐藏小红点
- (void)hideBadgeOnItemIndex:(int)index{
//移除小红点
[self removeBadgeOnItemIndex:index];
}
//移除小红点
- (void)removeBadgeOnItemIndex:(int)index{
//按照tag值进行移除
for (UIView *subView in self.subviews) {
if (subView.tag == 888+index) {
[subView removeFromSuperview];
}
}
}
/*
*使用时:
*显示
*[self.tabBarController.tabBar showBadgeOnItemIndex:2];
*隐藏
*[self.tabBarController.tabBar hideBadgeOnItemIndex:2]
*
*/

浙公网安备 33010602011771号