scrollview嵌套tableview ios scrollview嵌套tableview同向滑动的示例

#import "ViewController.h"
#import "YYGestureRecognizer.h"
#import "ScrollTableViewCell.h"
#import "MBProgressHUD+Add.h"
#define ScreenWidth [UIScreen mainScreen].bounds.size.width
#define ScreenHeight [UIScreen mainScreen].bounds.size.height
//虚假的悬浮效果
static CGFloat floatViewHeight = 30.0;

static CGFloat navHeitht = 64;
// 这个系数根据自己喜好设置大小，=屏幕视图滑动距离/手指滑动距离
#define moveScale 2


@interface ViewController ()<UITableViewDelegate,UITableViewDataSource,UIGestureRecognizerDelegate>
@property (nonatomic,weak)UIScrollView *scroll;
@property (nonatomic, strong) NSArray *titles;
@property (nonatomic,weak)UITableView *insetTableView;
@property (nonatomic,assign)CGFloat tableY;
@property (nonatomic,assign)CGFloat tableStartY;
@property (nonatomic,assign)CGFloat scrollY;
@property (nonatomic,assign)CGFloat scrollStartY;

//tableview 的y值 在scrollview中的位置
@property (nonatomic,assign)CGFloat tableFrameY;
@end

@implementation ViewController

- (void)viewDidLoad {

  [super viewDidLoad];
  // Do any additional setup after loading the view, typically from a nib.
  self.view.backgroundColor = [UIColor whiteColor];
  self.title = @"ScrollScroll";
// 有导航最上部视图是scrollview 内部空间位置会下移，设置这个属性后不下移。
  if ([self respondsToSelector:@selector(setAutomaticallyAdjustsScrollViewInsets:)]) {
    self.automaticallyAdjustsScrollViewInsets = NO;
  }

  UIScrollView *scroll = [[UIScrollView alloc]initWithFrame:CGRectMake(0,navHeitht, ScreenWidth, ScreenHeight-navHeitht)];
  scroll.backgroundColor = [UIColor colorWithRed:0.4 green:0.3 blue:0.2 alpha:1.0];;
  

  [self.view addSubview:scroll];
  self.scroll = scroll;
  
  
  //根据需求设置tableview的y值 暂写scroll高的2分之一
   self.tableFrameY = self.scroll.frame.size.height/2;
  
  UIImageView *headImage = [[UIImageView alloc]initWithFrame:CGRectMake(0, 0, ScreenWidth, self.tableFrameY-floatViewHeight)];
  headImage.image = [UIImage imageNamed:@"scrollHead"];
  headImage.contentMode = UIViewContentModeScaleAspectFill;
  [self.scroll addSubview:headImage];
  
  NSArray *titles = @[@"ICO详情",@"央行放大招",@"比特币会涨",@"神秘中本村"];
  self.titles = titles;
   UISegmentedControl *segment = [[UISegmentedControl alloc] initWithFrame:CGRectMake(5, scroll.bounds.size.height/2-30, self.scroll.bounds.size.width - 10, 30)];
   [segment addTarget:self action:@selector(segmentValueChanged:) forControlEvents:UIControlEventValueChanged];
  for (NSString *title in _titles) {
    [segment insertSegmentWithTitle:title atIndex:segment.numberOfSegments animated:false];
  }
  segment.selectedSegmentIndex = 0;
  [self.scroll addSubview:segment];
  
  UITableView *insetTable = [[UITableView alloc]initWithFrame:CGRectMake(0,self.tableFrameY, self.view.bounds.size.width, ScreenHeight-navHeitht-floatViewHeight)];
  insetTable.backgroundColor = [UIColor colorWithRed:0.9 green:0.9 blue:0.9 alpha:1.0];
  
  insetTable.dataSource = self;
  insetTable.delegate = self;
  
 
  [self.scroll addSubview:insetTable];
  self.insetTableView = insetTable;
  
//github搜索 yykit 或yytext 里面有 yygestureRecognizer这个类，这个类需要做一些修改，  // 在yygesture中所有触摸事件方法里 加上super的方法，原文件里没有，否则响应链条中断，scroll或tablew的按钮点击事件不执行。
  //这个类原文件继承于UIGestureRecognizer， 改为继承于UIPanGestureRecognizer 否则点击事件不执行。
  //运行效果详见我的demo

  YYGestureRecognizer *yyges = [YYGestureRecognizer new];
  yyges.action = ^(YYGestureRecognizer *gesture, YYGestureRecognizerState state){
    if (state != YYGestureRecognizerStateMoved) return ;
    
    if (CGRectContainsPoint(self.insetTableView.frame, gesture.startPoint)) {
     
     //滑动tableview
      [self tableScrollWithGesture:gesture];
      
      
 
    }else{
      
      //滑动scrollview
      [self scrollScrollWithGesture:gesture];
      
    }
 
  };
  //必须给scroll 加上手势 不要给view加，不然滑动tablew的时候会错误判断去滑动scroll。
  [self.scroll addGestureRecognizer:yyges];
  
  //实现手势代理，解决交互冲突
  yyges.delegate = self;
   scroll.contentSize = CGSizeMake(self.view.bounds.size.width, self.tableFrameY+self.insetTableView.frame.size.height);

}
//解决手势按钮冲突
- (BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldReceiveTouch:(UITouch *)touch
{
  //如果是 segment或scroll上的其他按钮，取消手势
  if([NSStringFromClass(touch.view.superclass) isEqualToString:@"UIControl"]){
    return NO;
  }


  //
    return YES;
    }
//
- (void)segmentValueChanged:(UISegmentedControl *)segment {
//scroll 到底部
  CGFloat offset = self.scroll.contentSize.height - self.insetTableView.bounds.size.height-floatViewHeight;
  if (offset > 0)
  {
    self.scrollY = offset;
    [self.scroll setContentOffset:CGPointMake(0, offset) animated:YES];
  }
  //TableView到顶部
  self.tableY = 0;
  [self.insetTableView setContentOffset:CGPointMake(0, self.tableY) animated:YES];
}
- (void)tableScrollWithGesture:(YYGestureRecognizer *)gesture{
  CGFloat scrolly;
  
  if (self.tableStartY != gesture.startPoint.y) {
    scrolly = -(gesture.currentPoint.y-gesture.startPoint.y) ;
  }else{
    scrolly = -(gesture.currentPoint.y-gesture.lastPoint.y) ;
  }
  self.tableStartY = gesture.startPoint.y;
  
  self.tableY += scrolly*moveScale;
  
  //为了显示底部超出屏幕的tableview那部分 滑动scrollview 此时tablewview已经滑动到了底部
  if (self.tableY> self.insetTableView.contentSize.height-self.insetTableView.bounds.size.height){
    self.scrollY += self.tableY-(self.insetTableView.contentSize.height-self.insetTableView.bounds.size.height);
    
    //tablewview滑动到底部就不要滑了
    self.tableY = self.insetTableView.contentSize.height-self.insetTableView.bounds.size.height;
    
  //scrollview 滑动到了底部就不要滑动了
    if (self.scrollY> self.scroll.contentSize.height-self.insetTableView.bounds.size.height-floatViewHeight){
      self.scrollY = self.scroll.contentSize.height-self.insetTableView.bounds.size.height-floatViewHeight;
      //如果scrollview意外的contentsize 小于自己的大小，scrollview就不要滑了
      if (self.scrollY<0) {
        self.scrollY = 0;
      }
      
    }
    [self.scroll setContentOffset:CGPointMake(0, self.scrollY) animated:YES];
    
    //如果tablewview的cell过少或行高过少致使其contentsize 小于自己的大小，tableview就不要滑了
    if (self.tableY<0) {
      self.tableY = 0;
    }
    
  }
  
  
  //如果滑到了tableview的最上部，停止滑动tablewview, 如果此时scrollview 没有在最上部就滑动scrollview到最上部
  if (self.tableY<0){
    self.scrollY += self.tableY;
    
    //scroll已经在最上部了，scroll就不滑了
    if (self.scrollY<0) {
      self.scrollY = 0;
    }
    
    NSLog(@"scroll %lf",self.scrollY);
    [self.scroll setContentOffset:CGPointMake(0, self.scrollY) animated:YES];
    
     //停止滑动tablewview
    self.tableY = 0;
    
  }
  NSLog(@"table %lf",self.tableY);
  
  
  [self.insetTableView setContentOffset:CGPointMake(0, self.tableY) animated:YES];
}
- (void)scrollScrollWithGesture:(YYGestureRecognizer *)gesture{
  CGFloat scrolly;
  
  if (self.scrollStartY != gesture.startPoint.y) {
    scrolly = -(gesture.currentPoint.y-gesture.startPoint.y) ;
  }else{
    scrolly = -(gesture.currentPoint.y-gesture.lastPoint.y) ;
  }
  self.scrollStartY = gesture.startPoint.y;
  
  self.scrollY += scrolly*moveScale;
  
  //如果滑到了scroll的底部就不要滑了
  if (self.scrollY> self.scroll.contentSize.height-self.insetTableView.bounds.size.height-floatViewHeight){
    self.scrollY = self.scroll.contentSize.height-self.insetTableView.bounds.size.height-floatViewHeight;
    //如果scrollview意外的contentsize 小于自己的大小，scrollview就不要滑了
    if (self.scrollY<0) {
      self.scrollY = 0;
    }
  }
  //如果滑到了scroll顶部就不要滑了
  if (self.scrollY<0){
    self.scrollY = 0;
  }
  NSLog(@"scroll %lf",self.scrollY);
  
  
  [self.scroll setContentOffset:CGPointMake(0, self.scrollY) animated:YES];
  
}


#pragma mark - 展示tableview的代理

- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
  return 70;
}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
  return 10;
}


- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
  
  ScrollTableViewCell * cell = [tableView dequeueReusableCellWithIdentifier:@"ScrollTableViewCell"];
  if (!cell)
  {
    [tableView registerNib:[UINib nibWithNibName:@"ScrollTableViewCell" bundle:nil] forCellReuseIdentifier:@"ScrollTableViewCell"];
    cell = [tableView dequeueReusableCellWithIdentifier:@"ScrollTableViewCell"];
  }
  
    cell.backgroundColor = [UIColor clearColor];
   
 
  
  cell.selectionStyle = UITableViewCellSelectionStyleNone;
  cell.Titletext.text = [NSString stringWithFormat:@"\t第%zd行",indexPath.row];
  cell.detailText.text = @"滑屏呀滑屏呀划呀";
  cell.detailText.textColor = self.navigationController.navigationBar.tintColor;
  cell.indexPath = indexPath;
  
  cell.selectCellBlock = ^(NSIndexPath *indexPath) {
    NSString *tip = [NSString stringWithFormat:@"点击了第%ld组%ld行",indexPath.section,indexPath.row];;
    [MBProgressHUD showMessage:tip view:nil];
    
    NSLog(@"%@",tip);

  };
  
  return cell;
}
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView{
  
  return 3;
}
-(UIView *)tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section{
  UIView *v = [[UIView alloc]initWithFrame:CGRectMake(0, 0, ScreenWidth, 50)];
  v.backgroundColor = [UIColor orangeColor];
  UILabel *l = [[UILabel alloc]initWithFrame:v.bounds];
  l.text =[NSString stringWithFormat:@"tableview的组头%ld",section];
  l.textColor = [UIColor whiteColor];
  l.textAlignment = NSTextAlignmentCenter;
  [v addSubview:l];
  return v;
}
//组头高
-(CGFloat)tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section{
  
  return 50;
  
  
}
//这个方法不可用了，除非点击了cellcontenview之外的区域 只能同过加按钮的方式接受点击事件
-(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath{
  NSLog(@"点击了第%ld行",indexPath.row);
}