//声明 UIScrollView-》#27932A
#952775 #602AAB
@property (nonatomic,strong)
UIScrollView *scrollview;
//声明 UIImageView
@property (nonatomic,strong) UIImageView *imageview;
//初始化 UIScrollView
self.scrollview = [[UIScrollView alloc] init];
//设置 frame
self.scrollview.frame =
self.imageview.bounds;
//设置背景色
self.scrollview.backgroundColor = [UIColor blueColor];
//设置滚动范围
self.scrollview.contentSize = CGSizeMake(
self.imageview.image.size.width,
self.imageview.image.size.height);
//设置滚动的位置
self.scrollview.contentOffset = CGPointMake(0,0);
//设置内边距
self.scrollview.contentInset = UIEdgeInsetsMake(0,0, 80, 100)
;
//设置是否有弹簧效果
self.scrollview.bounces =
YES;
//默认no,控制垂直方向遇到边框是否反弹(但bounces为NO时,它为yes,也不反弹)
self.scrollview.alwaysBounceVertical =
YES;
//默认no,控制水平方向遇到边框是否反弹(但bounces为NO时,它为yes,也不反弹)
self.scrollview.alwaysBounceHorizontal =
YES;
//是否容许滚动到顶部
self.scrollview.scrollsToTop =
YES;
//设置是否分页
self.scrollview.pagingEnabled =
NO;
//设置是否容许拖动
self.scrollview.scrollEnabled =
YES;
//设置是否显示水平滚动条
self.scrollview.showsHorizontalScrollIndicator =
YES;
//设置是否显示垂直滚动条
self.scrollview.showsVerticalScrollIndicator =
YES;
//设置滚动条的位置
self.scrollview.scrollIndicatorInsets = UIEdgeInsetsMake(0,0,0,0);
//设置滚动条的样式
self.scrollview.indicatorStyle = UIScrollViewIndicatorStyleDefault;
//设置 代理
self.scrollview.delegate =
self;
//设置最大/最小缩放比
self.scrollview.maximumZoomScale = 1.0;
self.scrollview.minimumZoomScale = 3.5;
[
self.view addSubview:
self.scrollview];
[
self.scrollview addSubview:
self.imageview];
CGFloat Y =
self.scrollview.contentOffset.y + 5;
CGFloat X =
self.scrollview.contentOffset.x + 5;
//设置滚动的位置
[
self.scrollview setContentOffset:CGPointMake(X, Y) animated:
YES];
//遵照代议 :UIScrollViewDelegate
#pragma mark - Delegate
//正在滚动
- (
void)scrollViewDidScroll:(UIScrollView *)scrollView{
NSLog(
@"正在滚动...
");
}
//即将开始滚动。
-(
void)scrollViewWillBeginDragging:(UIScrollView *)scrollView{
NSLog(
@"即将开始滚动...
");
}
//完成滚动(松手后调用)
-(
void)scrollViewWillEndDragging:(UIScrollView *)scrollView withVelocity:(CGPoint)velocity targetContentOffset:(inout CGPoint *)targetContentOffset{
NSLog(
@"完成滚动...
");
}
//开始减速滚动(完成滚动 调用)
-(
void)scrollViewWillBeginDecelerating:(UIScrollView *)scrollView{
NSLog(
@"开始减速滚动...
");
}
//结束减速滚动 (滚动结束调用)
-(
void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView{
NSLog(
@"结束减速滚动...
");
}
//滚动到顶部
-(
BOOL)scrollViewShouldScrollToTop:(UIScrollView *)scrollView{
NSLog(
@"滚动到顶部...
");
return YES;
}
//滚动到顶部调用(scrollsToTop 设置为YES时点击状态栏调用)
-(
void)scrollViewDidScrollToTop:(UIScrollView *)scrollView{
NSLog(
@"滚动到顶部调用...
");
}
//设置缩放的对象
-(UIView *)viewForZoomingInScrollView:(UIScrollView *)scrollView{
return
self.imageview;
}
//即将开始缩放
-(
void)scrollViewWillBeginZooming:(UIScrollView *)scrollView withView:(UIView *)view{
NSLog(
@"即将开始缩放...
");
}
//正在缩放
-(
void)scrollViewDidZoom:(UIScrollView *)scrollView{
NSLog(
@"正在缩放...
");
}