該代碼工作正常,但它給了我一個內存泄漏的代碼行線是表示泄漏的一個通過提100.0%的紫色在儀表指示的行是
NSXMLParser *xmlParser = [[NSXMLParser alloc] initWithContentsOfURL:url];
我會告訴你我的碼T他是的appdelegate文件didFinishLaunchingWithOptions方法: -
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
NSURL *url = [[NSURL alloc] initWithString:@"http://www.xyz.com/news.php?page_id=1"];
NSXMLParser *xmlParser = [[NSXMLParser alloc] initWithContentsOfURL:url];
[url release];
//Initialize the delegate.
NewsParser *parser = [[NewsParser alloc] initXMLParser];
//Set delegate
[xmlParser setDelegate:parser];
//Start parsing the XML file.
BOOL success = [xmlParser parse];
if(success)
NSLog(@"No Errors");
else
NSLog(@"Error Error Error!!!");
[parser release];
[xmlParser release];
// Override point for customization after application launch.
// Add the navigation controller's view to the window and display.
self.window.rootViewController = self.navigationController;
[self.window makeKeyAndVisible];
return YES;
}
,這進一步代碼是從NewsParser文件的NSXMLParser方法: -
- (NewsParser *) initXMLParser {
[super init];
appDelegate = (TWAppDelegate *)[[UIApplication sharedApplication] delegate];
return self;
}
- (void)parser:(NSXMLParser *)parser didStartElement:(NSString *)elementName
namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qualifiedName
attributes:(NSDictionary *)attributeDict {
if([elementName isEqualToString:@"posts"]) {
appDelegate.newsArray = [[NSMutableArray alloc] init];
}
else
{
if([elementName isEqualToString:@"page"])
{
aNewsInfo = [[NewsInfo alloc] init];
aNewsInfo.page = [[attributeDict objectForKey:@"id"] integerValue];
}
if(![elementName compare:@"smallimage"])
{
currentElementValue = [NSMutableString string];
}
if(![elementName compare:@"largeimage"])
{
currentElementValue = [NSMutableString string];
}
}
NSLog(@"Processing Element :%@",elementName);
}
- (void)parser:(NSXMLParser *)parser foundCharacters:(NSString *)string {
if(!currentElementValue)
currentElementValue = [[[NSMutableString alloc] initWithString:string] autorelease];
else
[currentElementValue appendString:string];
NSLog(@"Processing Value: %@", currentElementValue);
}
- (void)parser:(NSXMLParser *)parser didEndElement:(NSString *)elementName
namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName {
if([elementName isEqualToString:@"posts"])
return;
if([elementName isEqualToString:@"page"]) {
[appDelegate.newsArray addObject:aNewsInfo];
NSLog(@"%d",[appDelegate.newsArray count]);
NSLog(@"%@",aNewsInfo.title);
NSLog(@"%@",aNewsInfo.fulltext);
[aNewsInfo release];
aNewsInfo = nil;
}
else {
if ([elementName isEqualToString:@"smallimage"])
{
NSURL *url = [NSURL URLWithString:currentElementValue];
NSData *data = [NSData dataWithContentsOfURL:url];
UIImage *image = [[UIImage alloc] initWithData:data];
[aNewsInfo setSmallImageData:image];
}
if(![elementName compare:@"largeimage"])
{
NSURL *imageURL = [NSURL URLWithString:currentElementValue];
NSData *data = [NSData dataWithContentsOfURL:imageURL];
UIImage *image = [[UIImage alloc] initWithData:data];
[data release];
[aNewsInfo setLargeImageData:image];
}
[aNewsInfo setValue:currentElementValue forKey:elementName];
[currentElementValue release];
currentElementValue = nil;
}
}
任何一個PLZ告訴我如何克服這種泄漏我即將到在應用程序商店提交我的應用程序,但這是唯一的泄漏PLZ給你的建議。
謝謝...
initXMLParser應該有'self = [super init];',但那不是你的泄漏。通常在調用init之後,你有'if(self){...} return self;' – Sam
你可以包含你的dealloc嗎?如果你不在那裏發佈變量,你會得到泄漏。 – Sam