05-Tom猫

1 @interface ViewController : UIViewController
2 
3 @property (weak, nonatomic) IBOutlet UIImageView *tomImg;
4 - (IBAction)btnClick:(UIButton *)sender;
5 
6 @end

#import "ViewController.h"

@interface ViewController ()
{
    NSDictionary *_dicPicResoure; // 记录图片分组的个数
}

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    
    // 获取tom.plist的全路径
    NSString *path = [[NSBundle mainBundle] pathForResource:@"tom" ofType:@"plist"];
    
    // 根据文件路径加载字典
    _dicPicResoure = [NSDictionary dictionaryWithContentsOfFile:path];
}

- (IBAction)btnClick:(UIButton *)sender {
   
  // 如果正在播放，直接返回
    if (_tomImg.isAnimating) {
        return;
    }
 
    // 取出按钮文字
    NSString *prefixName = [sender titleForState:UIControlStateNormal];
    
    // 获取图片数量
    int count = [_dicPicResoure[prefixName] intValue];
    
    // 调用播放动画方法
    [self playWithPicCount:count andPrefixName:prefixName];
}


- (void)playWithPicCount:(int)count andPrefixName:(NSString *)name
{
    // 创建可变数组 存储图片对象
    NSMutableArray *aryImg = [NSMutableArray array];
    
    // 添加图片
    for (int i = 0; i < count; ++i) {
        NSString *picName = [NSString stringWithFormat:@"%@_d.jpg", name, i];
        
        // 加载数据（缓存）
//        UIImage *img = [UIImage imageNamed:picName];
        
        NSString *path = [[NSBundle mainBundle] pathForResource:picName ofType:nil];
        UIImage *img = [UIImage imageWithContentsOfFile:path];
        
        [aryImg addObject:img];
    }
    
    // 设置动画图片（有顺序）
    _tomImg.animationImages = aryImg;
    
    // 只播放一次
    _tomImg.animationRepeatCount = 1;
    
    // 设置动画的持续时间
    _tomImg.animationDuration = 0.1 * count;
    
    // 开始动画
    [_tomImg startAnimating];
}
@end