// // ViewController.m // UI2_ScrollViewHomeWork // // Created by zhangxueming on 15/7/13. // Copyright (c) 2015年 zhangxueming. All rights reserved. // #import "ViewController.h" #import "CustomImageView.h" #import "DetailViewController.h" @interface ViewController () { UIScrollView *_scrollView; } @end @implementation ViewController - (void)viewDidLoad { [super viewDidLoad]; // Do any additional setup after loading the view, typically from a nib. _scrollView = [[UIScrollView alloc] initWithFrame:self.view.bounds]; self.automaticallyAdjustsScrollViewInsets = YES; _scrollView.showsHorizontalScrollIndicator = NO; _scrollView.showsVerticalScrollIndicator = NO; _scrollView.bounces = NO; //_scrollView.backgroundColor = [UIColor cyanColor]; NSInteger rowCount = 4; CGFloat space = 2; CGFloat imageViewWidth = (self.view.frame.size.width-2*5)/4; CGFloat imageViewHeight = imageViewWidth*1.5; NSString *path = [[NSBundle mainBundle] pathForResource:@"AlbumData" ofType:@"plist"]; NSArray *array = [NSArray arrayWithContentsOfFile:path]; int i=0; for (NSDictionary *dict in array) { NSString *title = [dict objectForKey:@"TITLE"]; NSString *name = [NSString stringWithFormat:@"%@.jpg",[dict objectForKey:@"NAME"]]; UIImage *image = [UIImage imageNamed:name]; CustomImageView *imageView = [[CustomImageView alloc] initWithFrame:CGRectMake(space+(space+imageViewWidth)*(i%rowCount), (i/rowCount)*(space+imageViewHeight)+space, imageViewWidth, imageViewHeight)]; imageView.image = image; imageView.label.text = title; imageView.tag = 100+i; UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(tapGesture:)]; imageView.userInteractionEnabled = YES; [imageView addGestureRecognizer:tap]; [_scrollView addSubview:imageView]; i++; } _scrollView.contentSize = CGSizeMake(self.view.frame.size.width, (imageViewHeight+space)*8+space); [self.view addSubview:_scrollView]; } - (void)tapGesture:(UITapGestureRecognizer *)tap { DetailViewController *dvc = [[DetailViewController alloc] init]; dvc.image = ((UIImageView *)tap.view).image; dvc.imageViewTag = tap.view.tag; dvc.delegate = self; [self.navigationController pushViewController:dvc animated:YES]; } - (void)sendViewTag:(NSInteger)tag andTitle:(NSString *)title { CustomImageView *imageView = (CustomImageView *)[_scrollView viewWithTag:tag]; imageView.label.text = title; } - (void)didReceiveMemoryWarning { [super didReceiveMemoryWarning]; // Dispose of any resources that can be recreated. } @end
// // CustomImageView.h // UI2_ScrollViewHomeWork // // Created by zhangxueming on 15/7/13. // Copyright (c) 2015年 zhangxueming. All rights reserved. // #import <UIKit/UIKit.h> @interface CustomImageView : UIImageView @property (nonatomic,strong) UILabel *label; @property (nonatomic,copy)NSString *title; @end // // CustomImageView.m // UI2_ScrollViewHomeWork // // Created by zhangxueming on 15/7/13. // Copyright (c) 2015年 zhangxueming. All rights reserved. // #import "CustomImageView.h" @implementation CustomImageView /* // Only override drawRect: if you perform custom drawing. // An empty implementation adversely affects performance during animation. - (void)drawRect:(CGRect)rect { // Drawing code } */ - (instancetype)initWithFrame:(CGRect)frame { self = [super initWithFrame:frame]; if (self) { self.label = [[UILabel alloc] initWithFrame:CGRectMake(0, 0, frame.size.width, 50)]; self.label.alpha = 0.5; self.label.textAlignment = NSTextAlignmentCenter; self.label.adjustsFontSizeToFitWidth = YES; self.label.text = self.title; self.label.backgroundColor = [UIColor whiteColor]; [self addSubview:self.label]; } return self; } @end
// // DetailViewController.h // UI2_ScrollViewHomeWork // // Created by zhangxueming on 15/7/13. // Copyright (c) 2015年 zhangxueming. All rights reserved. // #import <UIKit/UIKit.h> @protocol sendMessageReport <NSObject> - (void)sendViewTag:(NSInteger)tag andTitle:(NSString *)title; @end @interface DetailViewController : UIViewController @property (nonatomic, strong)UIImage *image; @property (nonatomic, assign)NSInteger imageViewTag; @property (nonatomic, assign)id <sendMessageReport > delegate; @end // // DetailViewController.m // UI2_ScrollViewHomeWork // // Created by zhangxueming on 15/7/13. // Copyright (c) 2015年 zhangxueming. All rights reserved. // #import "DetailViewController.h" @interface DetailViewController () @end @implementation DetailViewController - (void)viewDidLoad { [super viewDidLoad]; // Do any additional setup after loading the view. UITextField *textField = [[UITextField alloc] initWithFrame:CGRectMake(10, 64, self.view.frame.size.width-20,50)]; textField.borderStyle = UITextBorderStyleRoundedRect; textField.tag = 200; [self.view addSubview:textField]; UIImageView *imageView = [[UIImageView alloc] initWithFrame:CGRectMake(10, 64+50, self.view.frame.size.width-20, 300)]; imageView.tag = 200; imageView.image = self.image; [self.view addSubview:imageView]; UIBarButtonItem *item= [[UIBarButtonItem alloc] initWithTitle:@"保存" style:UIBarButtonItemStylePlain target:self action:@selector(btnClick)]; self.navigationItem.rightBarButtonItem = item; } - (void)btnClick { UITextField *textField = (UITextField *)[self.view viewWithTag:200]; if ([_delegate respondsToSelector:@selector(sendViewTag:andTitle:)]) { [_delegate sendViewTag:self.imageViewTag andTitle:textField.text]; } [self.navigationController popViewControllerAnimated:YES]; } - (void)didReceiveMemoryWarning { [super didReceiveMemoryWarning]; // Dispose of any resources that can be recreated. } /* #pragma mark - Navigation // In a storyboard-based application, you will often want to do a little preparation before navigation - (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender { // Get the new view controller using [segue destinationViewController]. // Pass the selected object to the new view controller. } */ @end
转载于:https://www.cnblogs.com/0515offer/p/4643542.html
