////  ViewController.m//  UIImageView////  Created by YouXianMing on 15/1/31.//  Copyright (c) 2015年 YouXianMing. All rights reserved.//#import "ViewController.h"@interface ViewController ()@end@implementation ViewController- (void)viewDidLoad {    [super viewDidLoad];    self.view.backgroundColor = [UIColor whiteColor];    // 初始化UIImageView    UIImageView *imageViewOne = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, 230 / 2.f, 230 / 2.f)];    imageViewOne.center       = self.view.center;    [self.view addSubview:imageViewOne];        // 初始化图片数组    NSMutableArray *imagesArray = [NSMutableArray new];    for (int count = 1; count <= 10; count++) {        NSString *imageName = [NSString stringWithFormat:@"loadingLogo_%02d", count];        UIImage  *image     = [UIImage imageNamed:imageName];        [imagesArray addObject:image];    }    for (int count = 10; count >= 1; count--) {        NSString *imageName = [NSString stringWithFormat:@"loadingLogo_%02d", count];        UIImage  *image     = [UIImage imageNamed:imageName];        [imagesArray addObject:image];    }    // 设置动画    imageViewOne.animationImages      = imagesArray;    imageViewOne.animationDuration    = 2.f;    imageViewOne.animationRepeatCount = 0;        // 开始动画    [imageViewOne startAnimating];}@end