iOS开发添加新手引导
往往项目中经常出现此类需求
用户通过点击引导按钮可响应页面附带按钮的点击事件。
1 // 2 // gzhGuideView.h 3 // GuideView 4 // 5 // Created by 郭志贺 on 2020/5/29. 6 // Copyright © 2020 郭志贺. All rights reserved. 7 // 8 9 #import <UIKit/UIKit.h>10 11 NS_ASSUME_NONNULL_BEGIN12 13 @interface gzhGuideView : UIView14 15 16 -(void)showGuide:(UIView*)view;//显示引导17 -(void)dismissGuide;//移除18 19 @end20 21 NS_ASSUME_NONNULL_END
1 // 2 // gzhGuideView.m 3 // GuideView 4 // 5 // Created by 郭志贺 on 2020/5/29. 6 // Copyright © 2020 郭志贺. All rights reserved. 7 // 8 9 #import "gzhGuideView.h"10 11 @implementation gzhGuideView12 -(instancetype)initWithFrame:(CGRect)frame{13 14 if (self = [super initWithFrame:frame]) {15 16 self.backgroundColor = [UIColor colorWithRed:0 green:0 blue:0 alpha:0.6];17 //主要代码 添加路径18 UIBezierPath *path = [UIBezierPath bezierPathWithRect:frame];19 // 这里添加第二个路径 需要扣除的部分20 [path appendPath:[[UIBezierPath bezierPathWithRoundedRect:CGRectMake(100, 100, 150, 40) cornerRadius:5] bezierPathByReversingPath]];21 22 //渲染23 CAShapeLayer *shapeLayer = [CAShapeLayer layer];24 shapeLayer.path = path.CGPath;25 [self.layer setMask:shapeLayer];26 27 //根据需求添加按钮 实现点击事件28 UIButton * button = [UIButton buttonWithType:UIButtonTypeCustom];29 button.frame = CGRectMake(100, 100, 150, 40);30 [button addTarget:self action:@selector(buttonClick) forControlEvents:UIControlEventTouchUpInside];31 button.layer.cornerRadius = 5.0f;32 button.layer.masksToBounds = YES;33 [self addSubview:button];34 }35 36 return self;37 }38 39 -(void)showGuide:(UIView *)view{//添加40 41 42 [view.window addSubview:self];43 [view.window bringSubviewToFront:self];44 self.alpha = 1;45 46 47 }48 -(void)dismissGuide{//移除49 50 [self removeFromSuperview];51 52 }53 -(void)buttonClick{54 [self dismissGuide];55 NSLog(@"引导状态可点击");56 57 }58 @end
相应页面直接添加
gzhGuideView * guide = [[gzhGuideView alloc]initWithFrame:CGRectMake(0, 0, kScreenWidth, kScreenHeight)];
dispatch_async(dispatch_get_main_queue(), ^{
[guide showGuide:self.view];
});
可根据不同需求进行不同的布局，核心代码就是添加路径
