Initial commit

2017-08-15 16:59:01 +08:00
commit bdc83e07ef
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+//
+//  UITabBar+addRedPointBadge.m
+//  Ifish
+//
+//  Created by imac on 17/3/17.
+//  Copyright © 2017年 lianlian. All rights reserved.
+//
+
+#import "UITabBar+addRedPointBadge.h"
+#define IFISHITEMNUNBERS 4.0
+@implementation UITabBar (addRedPointBadge)
+- (void)showBadgeOnItemIndex:(int)index{
+    
+    //移除之前的小红点
+    [self removeBadgeOnItemIndex:index];
+    
+    UIView *badgeView = [[UIView alloc]init];
+    badgeView.tag = 888 + index;
+    badgeView.backgroundColor = RGB(252, 89, 89);
+    CGRect tabFrame = self.frame;
+    
+    //确定小红点的位置
+    float percentX = (index +0.55) / IFISHITEMNUNBERS;
+    CGFloat x = ceilf(percentX * tabFrame.size.width);
+    CGFloat y = ceilf(0.1 * tabFrame.size.height);
+    badgeView.frame = CGRectMake(x, y, 8, 8);
+    badgeView.layer.cornerRadius = badgeView.frame.size.width/2;
+    
+    [self addSubview:badgeView];
+    [self bringSubviewToFront:badgeView];
+    
+}
+
+- (void)hideBadgeOnItemIndex:(int)index{
+    
+    //移除小红点
+    [self removeBadgeOnItemIndex:index];
+    
+}
+
+- (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];
+        }
+    }
+}
+
+@end