我在UIWebview中加载URL并且它工作正常。但是在加载Web请求期间它消耗的内存太多了。每当我在UIWebview中加载一些URL时,内存就会从30mb到95mb,并基于在UIWebview中点击的每个链接,它仍然在增加,达到180MB等。我使用了一些代码来移除UIWebview中的内存。但没有任何好处。我已经完成了Xcode中的Analyze内存管理,但没有泄漏,我也检查分配和泄漏。它只是创建一个UIWebview的实例。由于UIWebview中的加载URL导致的内存快速增加ios
这是我的代码:
AppDelegate.m
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
int cacheSizeMemory = 4*1024*1024; // 4MB
int cacheSizeDisk = 32*1024*1024; // 32MB
NSURLCache *sharedCache = [[[NSURLCache alloc] initWithMemoryCapacity:cacheSizeMemory diskCapacity:cacheSizeDisk diskPath:@"nsurlcache"] autorelease];
[NSURLCache setSharedURLCache:sharedCache];
}
- (void)applicationDidReceiveMemoryWarning:(UIApplication *)application
{
[[NSURLCache sharedURLCache] removeAllCachedResponses];
}
ViewController.h
@属性(非原子,强)的UIWebView *的WebView;
ViewController.m @synthesize webview;
-(void)viewdidLoad
{
NSString *urlString = @"some url";
NSURL *url = [NSURL URLWithString:urlString];
NSURLRequest *request = [NSURLRequest requestWithURL:url];
[self.webview=[uiwebview alloc]init];
[self.webview loadRequest:request];
}
/*的WebView代表
-(void)viewWillDisappear:(Bool)animated
{
self.webview=nil;
[self.webview removefromSuperView]
[self.webview loadHtmlString:@"" baseUrl:nil]
[[NSURLCache sharedURLCache] removeCachedResponseForRequest:NSURLRequest];
[[NSURLCache sharedURLCache] removeAllCachedResponses];
for(NSHTTPCookie *cookie in [[NSHTTPCookieStorage sharedHTTPCookieStorage] cookies])
{
if([[cookie domain] isEqualToString:someNSStringUrlDomain]) {
[[NSHTTPCookieStorage sharedHTTPCookieStorage] deleteCookie:cookie];
}
}
我面对这个问题了几个days.Please给我一些替代或方法去除UIWebviewmemory。
不过内存leaking.The内存仍然去除的UIWebView的委托后一样。 – 2014-12-05 16:14:33
请发表您的调整后的代码,以便我们可以看到潜在的剩余错误 – dogsgod 2014-12-05 16:54:52