UIImageView

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view.
    
    /*********UIImage***********/
    //由名字直接读取图片
    //优点：用时相对较短
    //缺点：读取之后会占用内存
    //如果图片较小，用名字直接读取
    
    UIImage *imageName = [UIImage imageNamed:@"1.png"];
    
    //UIImageView
    UIImageView *imageViewName = [[UIImageView alloc] initWithFrame:CGRectMake(20, 50, 60, 60)];
    imageViewName.image = imageName;
    [self.view addSubview:imageViewName];
    
    //由图片的路径读取图片
    //优点：读取之后不会占用内存
    //缺点：用时相对较长
    //如果图片较大，用路径直接读取

    //获取图片路径:相对路径
    //第一个参数：文件的名字
    //第二个参数：文件的类型
    NSString *path = [[NSBundle mainBundle] pathForResource:@"map" ofType:@"png"];
    UIImage *imagePath = [UIImage imageWithContentsOfFile:path];
    //UIImageView
    UIImageView *imageViewPath = [[UIImageView alloc] initWithFrame:CGRectMake(20, 130, 200, 50)];
    imageViewPath.image = imagePath;
    [self.view addSubview:imageViewPath];
    
    /**********UIImageView-动画效果*************/
    UIImageView *imageView = [[UIImageView alloc] initWithFrame:CGRectMake(130, 240, 60, 60)];
    imageView.backgroundColor = [UIColor grayColor];
    imageView.image = [UIImage imageNamed:@"1.png"];
    
    /****动画效果相关属性****/
    //创建图片数组
    //开辟内存空间
    NSMutableArray *array = [[NSMutableArray alloc] initWithCapacity:0];
    for (int i = 1; i <= 12; i ++) {
        [array addObject:[UIImage imageNamed:[NSString stringWithFormat:@"player%d.png",i]]];
    }
    
    //设置动画图片，需要接收一个数组，数组里面的类型必须是UIImage类型
    imageView.animationImages = array;
    //动画时间：数组里面所有的图片转一圈所用时间
    imageView.animationDuration = 1;
    //循环次数：大于0的数：写几就循环几次，结束    0:无限循环
    imageView.animationRepeatCount = 0;
    
    //tag
    imageView.tag = 1000;

    [self.view addSubview:imageView];
    
    //开始动画
    [imageView startAnimating];

    
    //UIButton
    UIButton *button = [UIButton buttonWithType:UIButtonTypeSystem];
    button.frame = CGRectMake(30, 330, 260, 30);
    button.backgroundColor = [UIColor redColor];
    [button setTitle:@"button" forState:UIControlStateNormal];
    [button addTarget:self action:@selector(buttonClick:) forControlEvents:UIControlEventTouchUpInside];
    [self.view addSubview:button];
}
#pragma mark - 按钮的点击事件：停止或开始动画
- (void)buttonClick:(UIButton *)button{
    //找到UIImageView
    UIImageView *imageView = (UIImageView *)[self.view viewWithTag:1000];
    //停止动画
//    [imageView stopAnimating];
    
    static BOOL isAnimation = YES;
    if (isAnimation) {
        [imageView stopAnimating];
        isAnimation = NO;
    }else{
        [imageView startAnimating];
        isAnimation = YES;
    }
}

    //时间
    //第一个参数执行动作相隔的时间
    //第二个参数通知给谁：self
    //第三个参数：执行的相关方法
    //第四个参数：nil
    //第五个参数：是否重复执行   YES：重复   NO：不重复
//    [NSTimer scheduledTimerWithTimeInterval:2 target:self selector:@selector(timer:) userInfo:nil repeats:YES];
    
    
    //self.view.bounds  以(0, 0)点为起点，全屏大小的view
    UIImageView *imageView = [[UIImageView alloc] initWithFrame:self.view.bounds];
    imageView.image = [UIImage imageNamed:@"back2.jpg"];
    [self.view addSubview:imageView];
    
    //动画效果的UIImageView
    UIImageView *birdView = [[UIImageView alloc] initWithFrame:CGRectMake(5, 30, 60.5, 48)];
    //tag
    birdView.tag = 1000;
    
    //图片数组
    NSMutableArray *array = [[NSMutableArray alloc] initWithCapacity:0];
    for (int i = 1; i <= 18; i ++) {
        [array addObject:[UIImage imageNamed:[NSString stringWithFormat:@"DOVE%d.png",i]]];
    }
    
    /**UIImageView的动画属性***/
    birdView.animationImages = array;
    birdView.animationDuration = 1;
    birdView.animationRepeatCount = 0;
    //开始动画
    [birdView startAnimating];
    
    [imageView addSubview:birdView];
    
    //控制bird位置
    [NSTimer scheduledTimerWithTimeInterval:1 target:self selector:@selector(changeFrame:) userInfo:nil repeats:YES];
}
#pragma mark - 改变bird的位置
- (void)changeFrame:(NSTimer *)timer{
    UIImageView *imageView = (UIImageView *)[self.view viewWithTag:1000];
    static int i = 0;
    [UIView animateWithDuration:1 animations:^{
        imageView.frame = CGRectMake(5 + (i++ * 10), 20 +arc4random()%30, 60.5, 48);
    }];
    if (5 +(i++ * 10) > 320) {
        imageView.frame = CGRectMake(5, 20, 60.5, 48);
        i = 0;
    }
}
#pragma mark - NSTimer的事件
- (void)timer:(NSTimer *)timer{
    NSLog(@"timer");
}
#pragma mark - 按钮的点击事件
- (void)buttonClick:(UIButton *)button{
    //UIView的动画效果
    //第一个参数:动画执行的时间
    //第二个参数:执行动作
//    [UIView animateWithDuration:3 animations:^{
//        self.view.backgroundColor = [UIColor colorWithRed:arc4random()%256/255.0 green:arc4random()%256/255.0 blue:arc4random()%256/255.0 alpha:1.0];
//    }];
    
    //第一个参数:动画执行的时间
    //第二个参数:动画延迟执行的时间
    //第三个参数：动画执行的效果
    //第四个参数:执行动作
    //第五个参数:执行完要做的动作之后做的操作
    [UIView animateWithDuration:3 delay:1 options:UIViewAnimationOptionOverrideInheritedOptions animations:^{
        self.view.backgroundColor = [UIColor colorWithRed:arc4random()%256/255.0 green:arc4random()%256/255.0 blue:arc4random()%256/255.0 alpha:1.0];
    } completion:^(BOOL finished) {
//        self.view.backgroundColor = [UIColor orangeColor];
    }];
}