Question

我正在尝试冻结动画的最后一帧。以下代码用于工作，但是在更新到iOS之后它不再有效。如何编写此代码以便最后一个图像保留在屏幕上？

animation.animationImages = [NSArray arrayWithObjects:

                             [UIImage imageNamed:@"watermelondrop2.png"],

                             [UIImage imageNamed:@"watermelondrop4.png"],

                             [UIImage imageNamed:@"watermelondrop6.png"],

                             [UIImage imageNamed:@"watermelondrop8.png"],

                             [UIImage imageNamed:@"watermelondrop10.png"],

                             [UIImage imageNamed:@"watermelondrop12.png"],

                             [UIImage imageNamed:@"watermelondrop14.png"],

                             [UIImage imageNamed:@"watermelondrop15.png"], nil];

    animation.animationDuration = .8;
    animation.animationRepeatCount = 1;
    [animation startAnimating];
    [self playwatermelondropsound];
    [self.view addSubview:animation];
    animation.image = [UIImage imageNamed:@"watermelondrop16.png"];

Answer 1

我花了40分钟来解决你的问题，这很简单：

有两种方法可以达到你想要的效果：

将您想要的图像设置为default图像。

或者只是这样做，

//make your last line to first line.  
animation.image = [UIImage imageNamed:@"watermelondrop16.png"];
animation.animationImages = [NSArray arrayWithObjects:
                     [UIImage imageNamed:@"watermelondrop2.png"],
                     [UIImage imageNamed:@"watermelondrop4.png"],
                     [UIImage imageNamed:@"watermelondrop6.png"],
                     [UIImage imageNamed:@"watermelondrop8.png"],
                     [UIImage imageNamed:@"watermelondrop10.png"],
                     [UIImage imageNamed:@"watermelondrop12.png"],
                     [UIImage imageNamed:@"watermelondrop14.png"],
                     [UIImage imageNamed:@"watermelondrop15.png"], nil];

animation.animationDuration = .8;
animation.animationRepeatCount = 1;
[animation startAnimating];
[self playwatermelondropsound];
[self.view addSubview:animation];

并猜测它会开始工作，因为我已经测试过了。：）

Answer 2

[self cleanStance];
NSArray *imageArray = [[NSArray alloc] initWithObjects:
                       [UIImage imageNamed:@"jump1.png"],
                       [UIImage imageNamed:@"jump2.png"],
                       nil];    
self.player.animationImages = imageArray;
self.player.animationDuration = 0.3;
//self.player.contentMode = UIViewContentModeBottomLeft;
[self.view addSubview:self.player];
[self.player startAnimating];


- (void)cleanStance {
[self.player setImage:nil];
self.player.animationImages = nil;

}

这是显示图像跳跃的示例，这可能有助于你

Answer 3

您的代码对我来说很好，除非我这样做，我通常会设置.image 之前的UIImageView属性我告诉UIImageView开始制作动画。另外，将[UIImage imageNamed:@"watermelondrop16.png"]添加到.animationImages数组的末尾。也许那会解决你的问题。希望有帮助！

冻结动画新代码的最后一帧？

3 个答案: