程序博客网 > ubuntu软件安装在哪里

实现IOS版的抽屉效果（点击，拖拽滑动）

来源：互联网 发布：ubuntu软件安装在哪里 编辑：程序博客网 时间：2024/05/18 09:04

好像最近，看到好多Android上的抽屉效果，也忍不住想要自己写一个。在Android里面可以用SlidingDrawer，很方便的实现。IOS上面就只有自己写了。其实原理很简单就是 UIView 的移动，和一些手势的操作。


[cpp] view plaincopyprint?
  1. // 
  2. //  DrawerView.h 
  3. //  DrawerDemo 
  4. // 
  5. //  Created by Zhouhaifeng on 12-3-27. 
  6. //  Copyright (c) 2012年 CJLU. All rights reserved. 
  7. // 
  8.  
  9. #import <UIKit/UIKit.h> 
  10.  
  11. typedef enum 
  12. { 
  13.     DrawerViewStateUp = 0, 
  14.     DrawerViewStateDown 
  15. }DrawerViewState; 
  16.  
  17. @interface DrawerView : UIView<UIGestureRecognizerDelegate> 
  18. { 
  19.     UIImageView *arrow;         //向上拖拽时显示的图片    
  20.   
  21.     CGPoint upPoint;            //抽屉拉出时的中心点 
  22.     CGPoint downPoint;          //抽屉收缩时的中心点 
  23.      
  24.     UIView *parentView;         //抽屉所在的view 
  25.     UIView *contentView;        //抽屉里面显示的内容 
  26.      
  27.     DrawerViewState drawState;  //当前抽屉状态 
  28. } 
  29.  
  30. - (id)initWithView:(UIView *) contentview parentView :(UIView *) parentview; 
  31. - (void)handlePan:(UIPanGestureRecognizer *)recognizer; 
  32. - (void)handleTap:(UITapGestureRecognizer *)recognizer; 
  33. - (void)transformArrow:(DrawerViewState) state; 
  34.  
  35. @property (nonatomic,retain) UIView *parentView; 
  36. @property (nonatomic,retain) UIView *contentView; 
  37. @property (nonatomic,retain) UIImageView *arrow;   
  38. @property (nonatomic) DrawerViewState drawState;  
  39.  
  40. @end 

[cpp] view plaincopyprint?
  1. // 
  2. //  DrawerView.m 
  3. //  DrawerDemo 
  4. // 
  5. //  Created by Zhouhaifeng on 12-3-27. 
  6. //  Copyright (c) 2012年 CJLU. All rights reserved. 
  7. // 
  8.  
  9. #import "DrawerView.h" 
  10.  
  11. @implementation DrawerView 
  12. @synthesize contentView,parentView,drawState; 
  13. @synthesize arrow; 
  14.  
  15. - (id)initWithView:(UIView *) contentview parentView :(UIView *) parentview; 
  16. { 
  17.     self = [super initWithFrame:CGRectMake(0,0,contentview.frame.size.width, contentview.frame.size.height+40)]; 
  18.     if (self) { 
  19.         // Initialization code        
  20.         contentView = contentview; 
  21.         parentView = parentview; 
  22.          
  23.         //一定要开启 
  24.         [parentView setUserInteractionEnabled:YES]; 
  25.          
  26.         //嵌入内容区域的背景 
  27.         UIImage *drawer_bg = [UIImage imageNamed:@"drawer_content.png"]; 
  28.         UIImageView *view_bg = [[UIImageView alloc]initWithImage:drawer_bg]; 
  29.         [view_bg setFrame:CGRectMake(0,40,contentview.frame.size.width, contentview.bounds.size.height+40)]; 
  30.         [self addSubview:view_bg]; 
  31.      
  32.         //头部拉拽的区域背景 
  33.         UIImage *drawer_handle = [UIImage imageNamed:@"drawer_handlepng.png"]; 
  34.         UIImageView *view_handle = [[UIImageView alloc]initWithImage:drawer_handle]; 
  35.         [view_handle setFrame:CGRectMake(0,0,contentview.frame.size.width,40)]; 
  36.         [self addSubview:view_handle]; 
  37.          
  38.         //箭头的图片 
  39.         UIImage *drawer_arrow = [UIImage imageNamed:@"drawer_arrow.png"]; 
  40.         arrow = [[UIImageView alloc]initWithImage:drawer_arrow]; 
  41.         [arrow setFrame:CGRectMake(0,0,28,28)]; 
  42.         arrow.center = CGPointMake(contentview.frame.size.width/2, 20); 
  43.         [self addSubview:arrow]; 
  44.          
  45.         //嵌入内容的UIView 
  46.         [contentView setFrame:CGRectMake(0,40,contentview.frame.size.width, contentview.bounds.size.height+40)]; 
  47.         [self addSubview:contentview]; 
  48.          
  49.         //移动的手势 
  50.         UIPanGestureRecognizer *panRcognize=[[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(handlePan:)];   
  51.         panRcognize.delegate=self;   
  52.         [panRcognize setEnabled:YES];   
  53.         [panRcognize delaysTouchesEnded];   
  54.         [panRcognize cancelsTouchesInView];  
  55.          
  56.         [self addGestureRecognizer:panRcognize]; 
  57.          
  58.         //单击的手势 
  59.         UITapGestureRecognizer *tapRecognize = [[UITapGestureRecognizer alloc]initWithTarget:self action:@selector(handleTap:)];   
  60.         tapRecognize.numberOfTapsRequired = 1;   
  61.         tapRecognize.delegate = self;   
  62.         [tapRecognize setEnabled :YES];   
  63.         [tapRecognize delaysTouchesBegan];   
  64.         [tapRecognize cancelsTouchesInView];   
  65.          
  66.         [self addGestureRecognizer:tapRecognize]; 
  67.          
  68.         //设置两个位置的坐标 
  69.         downPoint = CGPointMake(parentview.frame.size.width/2, parentview.frame.size.height+contentview.frame.size.height/2-40); 
  70.         upPoint = CGPointMake(parentview.frame.size.width/2, parentview.frame.size.height-contentview.frame.size.height/2-40); 
  71.         self.center =  downPoint; 
  72.          
  73.         //设置起始状态 
  74.         drawState = DrawerViewStateDown; 
  75.     } 
  76.     return self; 
  77. } 
  78.  
  79.  
  80. #pragma UIGestureRecognizer Handles   
  81. /*   
  82. *  移动图片处理的函数
  83. *  @recognizer 移动手势
  84. */   
  85. - (void)handlePan:(UIPanGestureRecognizer *)recognizer {   
  86.      
  87.     
  88.     CGPoint translation = [recognizer translationInView:parentView];  
  89.     if (self.center.y + translation.y < upPoint.y) { 
  90.         self.center = upPoint; 
  91.     }else if(self.center.y + translation.y > downPoint.y) 
  92.     { 
  93.         self.center = downPoint; 
  94.     }else{ 
  95.         self.center = CGPointMake(self.center.x,self.center.y + translation.y);   
  96.     } 
  97.     [recognizer setTranslation:CGPointMake(0, 0) inView:parentView];   
  98.      
  99.     if (recognizer.state == UIGestureRecognizerStateEnded) {   
  100.         [UIView animateWithDuration:0.75 delay:0.15 options:UIViewAnimationOptionCurveEaseOut animations:^{   
  101.                 if (self.center.y < downPoint.y*4/5) { 
  102.                     self.center = upPoint; 
  103.                     [self transformArrow:DrawerViewStateUp]; 
  104.                 }else 
  105.                 { 
  106.                     self.center = downPoint; 
  107.                     [self transformArrow:DrawerViewStateDown]; 
  108.                 } 
  109.  
  110.         } completion:nil];   
  111.   
  112.     }     
  113. }   
  114.  
  115. /*
  116. *  handleTap 触摸函数
  117. *  @recognizer  UITapGestureRecognizer 触摸识别器
  118. */   
  119. -(void) handleTap:(UITapGestureRecognizer *)recognizer   
  120. {   
  121.         [UIView animateWithDuration:0.75 delay:0.15 options:UIViewAnimationOptionTransitionCurlUp animations:^{   
  122.             if (drawState == DrawerViewStateDown) { 
  123.                 self.center = upPoint; 
  124.                 [self transformArrow:DrawerViewStateUp]; 
  125.             }else 
  126.             { 
  127.                 self.center = downPoint; 
  128.                 [self transformArrow:DrawerViewStateDown]; 
  129.             } 
  130.         } completion:nil];   
  131.   
  132. }  
  133.  
  134. /*
  135. *  transformArrow 改变箭头方向
  136. *  state  DrawerViewState 抽屉当前状态
  137. */  
  138. -(void)transformArrow:(DrawerViewState) state 
  139. { 
  140.         //NSLog(@"DRAWERSTATE :%d  STATE:%d",drawState,state); 
  141.         [UIView animateWithDuration:0.3 delay:0.35 options:UIViewAnimationOptionCurveEaseOut animations:^{   
  142.            if (state == DrawerViewStateUp){    
  143.                     arrow.transform = CGAffineTransformMakeRotation(M_PI); 
  144.                 }else 
  145.                 { 
  146.                      arrow.transform = CGAffineTransformMakeRotation(0); 
  147.                 } 
  148.         } completion:^(BOOL finish){ 
  149.                drawState = state; 
  150.         }];   
  151.          
  152.     
  153. } 
  154.  
  155. @end 

这样就是实现了，图片是从360里面抠出来，处理的不是很好，大家见谅。

Demo的下载地址：http://download.csdn.net/detail/toss156/4177553

ubuntu软件安装在哪里 ubuntu软件安装在哪里
原创粉丝点击
热门IT博客
舒尔特注意力软件下载舒尔特注意力软件下载
ac990会计核算软件ac990会计核算软件
算法入门经典第二版pdf
烧饼修改器软件
如何经营好一家淘宝店
帝国cms栏目地址
手机淘宝仓库在哪里找
德安东尼数据
svd算法介绍
会计核算软件的概念
御宅女面膜知乎
末知的播放出错
福州市软件行业协会
行尸走肉网络剧番外篇
剑三萝莉脸型数据下载
java 新闻发布系统
一元秒杀包邮 淘宝资源
剑网3人物捏脸数据
如何挑选空调 知乎
运维和网络哪个好
热门问题 老师的惩罚 人脸识别 我在镇武司摸鱼那些年 重生之率土为王 我在大康的咸鱼生活 盘龙之生命进化 天生仙种 凡人之先天五行 春回大明朝 姑娘不必设防，我是瞎子 香菇肉酱罐头 林家铺子罐头价格 黄桃 什么牌子的猫罐头好 性价比高的猫罐头 破罐子破摔 罐子图片 药罐子星际 药罐子 糖罐子 罐子图案 罐子英文 罐子蛋糕 盐罐子 开罐子技巧 色彩罐子 罐子的声音 罐子英语 罐子怎么画 罐子的画法 煎中药罐子 领主塔罐子 蛐蛐罐子 坛子罐子 装盐的罐子 米罐子 我在海贼卖罐子 钱罐子精苏瓷 药穴by银罐子全文 林公子药罐子 药穴by银罐子 罐子结构素描 快穿钱罐子精 拔罐子起水泡怎么回事 罐子的英文单词 陶瓷罐子厂家 阳光罐子多少钱一个 塑料罐子厂家 灌子 泡酒瓶 罐装啤酒

程序博客网，程序员的互联网技术博客家园。csdn论坛精品 msdn技术资料都在这里