//
// ViewController.m
// 图片浏览器
//
// Created by Mac on 16/1/11.
// Copyright © 2016年 Mac. All rights reserved.
//
#import "ViewController.h"
@interface ViewController ()
- (IBAction)tap:(UITapGestureRecognizer *
)tap;
@property (weak, nonatomic) IBOutlet UIImageView *
imageView;
@property (nonatomic, strong) NSMutableArray *
imgNames;
@property (nonatomic, assign) NSInteger currentImgIndex;
@end
@implementation ViewController
//- (NSInteger)currentImgIndex
//{
// if (!_currentImgIndex) {
// _currentImgIndex = 1;
// }
// return _currentImgIndex;
//}
- (NSMutableArray *
)imgNames
{
if (!
_imgNames) {
NSMutableArray *imgNames =
[NSMutableArray array];
for (NSInteger i =
1; i <
10; i ++
) {
NSString *img = [NSString stringWithFormat:
@"%ld",i];
[imgNames addObject:img];
}
_imgNames =
imgNames;
}
return _imgNames;
}
- (
void)viewDidLoad {
[super viewDidLoad];
// NSLog(@"%@",self.imgNames);
// Do any additional setup after loading the view, typically from a nib.
// self.imageView
self.currentImgIndex =
1;
}
- (
void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
- (IBAction)tap:(UITapGestureRecognizer *
)tap{
CGPoint location =
[tap locationInView:tap.view];
if (location.x <=
self.view.bounds.size.width
/
2) {
// NSLog(@"在左边");
[self preImg];
}else
{
// NSLog(@"在右边");
[self nextImg];
}
}
- (
void)preImg
{
if (self.currentImgIndex ==
1) {
}
else{
self.currentImgIndex --
;
NSString *preImgName = [NSString stringWithFormat:
@"%ld",(self.currentImgIndex )];
NSLog(@"%@",preImgName);
self.imageView.image =
[UIImage imageNamed:preImgName];
CATransition *animation =
[CATransition animation];
animation.type =
@"pageUnCurl";
animation.subtype =
@"fromRight";
animation.duration =
0.45;
[self.imageView.layer addAnimation:animation forKey:nil];
}
}
- (
void)nextImg
{
if (self.currentImgIndex ==
self.imgNames.count) {
NSLog(@"最后");
}else{
self.currentImgIndex++
;
NSString *nextImgName = [NSString stringWithFormat:
@"%ld",self.currentImgIndex];
NSLog(@"%@",nextImgName);
self.imageView.image =
[UIImage imageNamed:nextImgName];
CATransition *animation =
[CATransition animation];
animation.type =
@"pageCurl";
animation.subtype =
@"fromRight";
animation.duration =
0.45;
[self.imageView.layer addAnimation:animation forKey:nil];
}
}
@end
转载于:https://www.cnblogs.com/BJTUzhengli/p/5122143.html
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