#import "ViewController.h"
@interface ViewController ()<UITableViewDelegate,UITableViewDataSource>
@property(nonatomic,strong)UITableView *mytableview;
@property(nonatomic,retain)NSMutableArray *listenArray;
@property(nonatomic,retain)UIImageView *imageView;
@end
@implementation ViewController
- (void)viewDidLoad {
[super viewDidLoad];
self.automaticallyAdjustsScrollViewInsets = NO;
self.listenArray = [NSMutableArray array];
self.mytableview=[[UITableView alloc]initWithFrame:CGRectMake(0, 64, 375 , 667 - 49-64) style:UITableViewStylePlain];
[self.view addSubview:self.mytableview];
// [_tableView release];
self.mytableview.delegate = self;
self.mytableview.dataSource = self;
self.mytableview.contentInset = UIEdgeInsetsMake(220 , 0, 0, 0);
self.mytableview.separatorStyle = 0;
//相对于0点,图片坐标应该是(0,-200)
self.imageView = [[UIImageView alloc] initWithFrame:CGRectMake(0, -220 , self.view.frame.size.width, 220 )];
self.imageView.image = [UIImage imageNamed:@"afaded9fb75cfcf92bab35347d8e8ab8.jpg"];
//设置imageView高度改变时宽度也跟着改变
self.imageView.contentMode = UIViewContentModeScaleAspectFill;
[self.mytableview addSubview:self.imageView];
}
-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
return 10;
}
-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@"cell"];
if (cell == nil) {
cell = [[UITableViewCell alloc]initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:@"cell"];
}
cell.textLabel.text=@"123";
return cell;
}
-(void)scrollViewDidScroll:(UIScrollView *)scrollView
{
//刚开始y的偏移量初始值就是-220
// //NSLog(@"y1 === %f",scrollView.contentOffset.y);
CGFloat y = scrollView.contentOffset.y ;//第一次是-220
// //NSLog(@"y2 === %f",y);
if (y < -220 ) {
CGRect frame = self.imageView.frame;
frame.origin.y = y;//imageView的frame是不断往上偏移
frame.size.height = -y;//tablview向下偏移了多少,高度就增加多少
self.imageView.frame = frame;
}
}
转载于:https://my.oschina.net/u/2365185/blog/533666