Animated GIF alternative for iOS_问答_开发者_运维开发者技术经验分享

开发者 https://www.devze.com 2023-04-01 10:07 出处：网络

\"Back in the day\" animated GIFs were ubiquitous online. They were simple to use - just pop em\' in wherever you want an animated image.

相关专题：objective-c

"Back in the day" animated GIFs were ubiquitous online.

They were simple to use - just pop em' in wherever you want an animated image.

I'd like to display an animated image within an iOS application (for example, a graphic illustrating a letter being opened from an envelope).

开发者_StackOverflow

But, I'm not sure how to go about this.

Obviously I don't want to use an animated GIF.

A video of some sort seems like it might be the preferred solution. But, what about transparency? Also, what about the retina display?

Thanks.

Here is a tutorial on animating UIImage in the iPhone SDK:

http://www.icodeblog.com/2009/07/24/iphone-programming-tutorial-animating-a-game-sprite/

Flipboard just released their GIF library which is very performant and is used by several popular apps like Flipboard, Dropbox, Medium etc:

https://github.com/Flipboard/FLAnimatedImage

For future references, Eric's answer here is a better way to do it since it uses modern ImageIO.framework and is also available as a category on UIImageView.

You can use UIWebView to load html Page with in Bundle. GO TO File > New>Others > Empty > Enter File Name with Extension

<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <meta charset="utf-8">
     <title>QUALITY PLACEMENTS</title>

</head>
<body>
<div style="word-wrap: break-word !important; width: 300px;">
    <img width="100%" src="Surprice-0.gif"/>
   </div></body></html> 
    //IOS CODE 
     UIWebView* mywebview=[[UIWebView alloc]initWithFrame:CGRectMake(5, 50, 300, 300)];
            mywebview.scalesPageToFit = NO;
            mywebview.scrollView.hidden = NO;
            [mywebview setMultipleTouchEnabled:YES];
            NSURL* url=[NSURL fileURLWithPath:[[NSBundle mainBundle] pathForResource:@"greeting" ofType:@"html"]];
            [mywebview loadRequest:[NSURLRequest requestWithURL:url]];