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);}