//
//  ViewController.m
//  test_UIscrollView_03
//
//  Created by admin on 4/19/16.
//  Copyright  2016 jeffasd. All rights reserved.
//

#import "ViewController.h"

#define VIEW_WIDTH  self.view.frame.size.width
#define VIEW_HEIGHT  self.view.frame.size.height

@interface ViewController () <UIScrollViewDelegate>

@property (nonatomic, strong)UIScrollView *scrollView;

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];

    

    [self.view addSubview:self.scrollView];
    
}

- (UIScrollView *)scrollView{
    if (_scrollView == nil) {
        _scrollView = [[UIScrollView alloc] initWithFrame:CGRectMake(0, 0, VIEW_WIDTH, VIEW_HEIGHT)];
        
//        _scrollView  = [UIScrollView new];
        
//        _scrollView.backgroundColor = [UIColor cyanColor];
        
        UIView *view = [UIView new];
        
        view.backgroundColor = [UIColor cyanColor];
        
        view.frame = self.view.bounds;
        
        [_scrollView addSubview:view];
        
        _scrollView.delegate = self;
        
        _scrollView.alwaysBounceVertical = YES;
        
        _scrollView.contentInset = UIEdgeInsetsMake(100, 0, 0, 0);
        
        _scrollView.contentSize = CGSizeMake(VIEW_WIDTH, VIEW_HEIGHT);
        
    }
    return _scrollView;
}

- (void)scrollViewDidScroll:(UIScrollView *)scrollView{
    
    NSLog(@"scrollView contentInset is %@", NSStringFromUIEdgeInsets(scrollView.contentInset));
    
    NSLog(@"scrollView contentOffset is %@", NSStringFromCGPoint(scrollView.contentOffset));
    
    NSLog(@"scrollView contentSize is %@", NSStringFromCGSize(scrollView.contentSize));
    
}


//- (void)scrollViewWillBeginDragging:(UIScrollView *)scrollView{
//    
//}

//- (void)scrollViewWillEndDragging:(UIScrollView *)scrollView withVelocity:(CGPoint)velocity targetContentOffset:(inout CGPoint *)targetContentOffset NS_AVAILABLE_IOS(5_0);

//- (void)scrollViewDidEndDragging:(UIScrollView *)scrollView willDecelerate:(BOOL)decelerate;

//- (void)scrollViewWillBeginDecelerating:(UIScrollView *)scrollView;   // called on finger up as we are moving

- (void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView{
    
    
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

@end