UIWebView内存占用过高、崩溃、内存溢出

UIWebView内存占用过高、崩溃、内存溢出,有需要的朋友可以参考下。 

项目当中模拟器上运行UIWebView读取本地杂志,没问题,真机测试经常内存溢出崩溃。 
查了资料因为Html里的js 导致的内存泄漏,每次打开一个连接就会把“WebKitCacheModelPreferenceKey”设置成1。 
UIWebView 增加 
- (void)webViewDidFinishLoad:(UIWebView *)webView { 
[[NSUserDefaults standardUserDefaults] setInteger:0 forKey:@"WebKitCacheModelPreferenceKey"]; 

解决问题 
原因: 
Your are going to have a big memory usage and leak a lot of data! 

But there is a hack to solve this problem: revert what is done when you open a link. 
In fact, the key property which leads to this leak is the WebKitCacheModelPreferenceKey application setting. And when you open a link in a UIWebView, this property is automatically set to the value "1". So, the solution is to set it back to 0 everytime you open a link. You may easily do this by adding a UIWebViewDelegate to your UIWebView : 
- (void)webViewDidFinishLoad:(UIWebView *)webView { 
[[NSUserDefaults standardUserDefaults] setInteger:0 forKey:@"WebKitCacheModelPreferenceKey"]; 


So are you going to have much less crash due to "Low Memory" :) 

崩溃次数减少很多。

国外小哥原文地址:http://blog.techno-barje.fr//post/2010/10/04/UIWebView-secrets-part1-memory-leaks-on-xmlhttprequest/


你可能感兴趣的:(IOS,UIWebView)