Photo DEMO

Posted on Edited on

尚有一个 BUG，真机无法加载图片，模拟器可以。

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//
//  ViewController.m
//  Photo DEMO
//
//  Created by Will on 5/24/15.
//  Copyright (c) 2015 gewill.org. All rights reserved.
//

#import "ViewController.h"

@interface ViewController ()
@property (weak, nonatomic) IBOutlet UILabel *topLabel;
@property (weak, nonatomic) IBOutlet UILabel *descLabel;
@property (weak, nonatomic) IBOutlet UIButton *leftBtn;
@property (weak, nonatomic) IBOutlet UIButton *rightBtn;
@property (weak, nonatomic) IBOutlet UIImageView *imageView;

@property (nonatomic, assign) int  index;
@property (nonatomic, strong) NSArray *imageDicts;

@end

@implementation ViewController

- (NSArray *)imageDicts{
    if (!_imageDicts) {
        _imageDicts = [NSArray arrayWithContentsOfFile:
        [[NSBundle mainBundle] pathForResource:@"imageDate.plist" ofType:nil]];
    }
    return _imageDicts;
}

- (IBAction)clickLeftBtn:(UIButton *)sender {
    self.index --;
    [self clickBtn];
}
- (IBAction)clickRightBtn:(UIButton *)sender {
    self.index ++;
    [self clickBtn];
}

- (void)clickBtn{
    self.topLabel.text = [NSString stringWithFormat:@"%d/%d", self.index+1, self.imageDicts.count];
    self.descLabel.text = self.imageDicts[self.index][@"description"];
    self.imageView.image = [UIImage imageNamed:self.imageDicts[self.index][@"name"]];
    
    self.leftBtn.enabled = (self.index != 0);
    self.rightBtn.enabled = (self.index != 4);
    
}

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view, typically from a nib.
}

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

@end