2020年5月29日星期五

iOS开发添加新手引导

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

 

 


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