[UITableViewCell _didChangeToFirstResponder:]: message sent to deallocated instance

I added textfield to tableview cell contentview.when i'm editing any textfield and i scrolled the tableview to bottom and dismiss the keyboard Then app crashed ,because of this reason [UITableViewCell _didChangeToFirstResponder:]: message sent to deallocated instance

I need the online check - because my app has an online and offline mode..
concerning the delegate, I dont see where it is released, if it would be released somewhere without my agreement. (and I dont understand why i should retain it at all, as long as i dont release it somewhere manually)
- (id)initWithDelegate:(id)_delegate
self = [super init];
if (self)
delegate = _delegate ;
app = (FeedReaderAppDelegate *)[[UIApplication sharedApplication] delegate];
return self;
and the methods in my feedReader are
- (void)parseOrLoadXMLFileAtUrlAsThread:(NSString *) URL{
[newsFeedItems removeAllObjects];
NSLog(@"start thread");
[NSThread detachNewThreadSelector:@selector(parseOrLoadXMLFileAtUrl:) toTarget:self withObject:URL];
NSLog(@"thread started");
- (void)parseOrLoadXMLFileAtUrl:(NSString *) URL{
NSAutoreleasePool * pool = [NSAutoreleasePool new];
NSLog( @"check if app isOnline");
if(app.isOnline){
NSLog(@"Online mode - trying to load feedList from WEB");
[self parseXMLFileAtURL:URL];
}else{
NSLog(@"Offline mode - trying to load feedList from DB");
[self loadFeedItems];
[pool release];
if my app is crashing by calling parseOrLoadXMLFileAtUrlAsThread it is crashing after the NSLog( @"check if app isOnline"); call. But - and this is the important part, it is also crashing if my method parse is not called at all but when isOnline is called within applicationDidFinishLounching
- (void)applicationDidFinishLaunching:(UIApplication *)application {
NSLog(@"applicationDidFinishLaunching");
if([self isOnline] || [prefs objectForKey:@"offline_newsfeeds"] != nil){
NSLog(@"start loading");
because NSLog(@"start loading"); is never visible on a crash. so it hangs somewhere here(http://www.learnclip.com/iPhoneDev/httptrace)

Similar Messages

  • "message sent to deallocated instance" again...

    Hi there,
    I have a TabBarController, which contains 4 tabs with a UITableView init. The content of each table view is downloaded from server. It works fine on Simulator, but if I run it on device(3G) and switch tab a bit faster, I always get the "message sent do deallocated instance" at \[self.tableView endUpdates\]
    I added "NSZombieEnabled" and "NSAutoreleaseFreedObjectCheckEnabled" to the arguments of executables, and set them to YES. Here is the methods which always access the deallocated instance, they are appear randomly.
    -[UIViewAnimationContext animationCount]
    OR
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    OR
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    I removed all the warning from "Build & Analyze". But still have the same problem.
    Anybody can help me find a way out?

    I need the online check - because my app has an online and offline mode..
    concerning the delegate, I dont see where it is released, if it would be released somewhere without my agreement. (and I dont understand why i should retain it at all, as long as i dont release it somewhere manually)
    - (id)initWithDelegate:(id)_delegate
    self = [super init];
    if (self)
    delegate = _delegate ;
    app = (FeedReaderAppDelegate *)[[UIApplication sharedApplication] delegate];
    return self;
    and the methods in my feedReader are
    - (void)parseOrLoadXMLFileAtUrlAsThread:(NSString *) URL{
    [newsFeedItems removeAllObjects];
    NSLog(@"start thread");
    [NSThread detachNewThreadSelector:@selector(parseOrLoadXMLFileAtUrl:) toTarget:self withObject:URL];
    NSLog(@"thread started");
    - (void)parseOrLoadXMLFileAtUrl:(NSString *) URL{
    NSAutoreleasePool * pool = [NSAutoreleasePool new];
    NSLog( @"check if app isOnline");
    if(app.isOnline){
    NSLog(@"Online mode - trying to load feedList from WEB");
    [self parseXMLFileAtURL:URL];
    }else{
    NSLog(@"Offline mode - trying to load feedList from DB");
    [self loadFeedItems];
    [pool release];
    if my app is crashing by calling parseOrLoadXMLFileAtUrlAsThread it is crashing after the NSLog( @"check if app isOnline"); call. But - and this is the important part, it is also crashing if my method parse is not called at all but when isOnline is called within applicationDidFinishLounching
    - (void)applicationDidFinishLaunching:(UIApplication *)application {
    NSLog(@"applicationDidFinishLaunching");
    if([self isOnline] || [prefs objectForKey:@"offline_newsfeeds"] != nil){
    NSLog(@"start loading");
    because NSLog(@"start loading"); is never visible on a crash. so it hangs somewhere here(http://www.learnclip.com/iPhoneDev/httptrace)

  • *** -[UIView _forgetDependentConstraint:]: message sent to deallocated instance 0x208e0010

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    I need the online check - because my app has an online and offline mode..
    concerning the delegate, I dont see where it is released, if it would be released somewhere without my agreement. (and I dont understand why i should retain it at all, as long as i dont release it somewhere manually)
    - (id)initWithDelegate:(id)_delegate
    self = [super init];
    if (self)
    delegate = _delegate ;
    app = (FeedReaderAppDelegate *)[[UIApplication sharedApplication] delegate];
    return self;
    and the methods in my feedReader are
    - (void)parseOrLoadXMLFileAtUrlAsThread:(NSString *) URL{
    [newsFeedItems removeAllObjects];
    NSLog(@"start thread");
    [NSThread detachNewThreadSelector:@selector(parseOrLoadXMLFileAtUrl:) toTarget:self withObject:URL];
    NSLog(@"thread started");
    - (void)parseOrLoadXMLFileAtUrl:(NSString *) URL{
    NSAutoreleasePool * pool = [NSAutoreleasePool new];
    NSLog( @"check if app isOnline");
    if(app.isOnline){
    NSLog(@"Online mode - trying to load feedList from WEB");
    [self parseXMLFileAtURL:URL];
    }else{
    NSLog(@"Offline mode - trying to load feedList from DB");
    [self loadFeedItems];
    [pool release];
    if my app is crashing by calling parseOrLoadXMLFileAtUrlAsThread it is crashing after the NSLog( @"check if app isOnline"); call. But - and this is the important part, it is also crashing if my method parse is not called at all but when isOnline is called within applicationDidFinishLounching
    - (void)applicationDidFinishLaunching:(UIApplication *)application {
    NSLog(@"applicationDidFinishLaunching");
    if([self isOnline] || [prefs objectForKey:@"offline_newsfeeds"] != nil){
    NSLog(@"start loading");
    because NSLog(@"start loading"); is never visible on a crash. so it hangs somewhere here(http://www.learnclip.com/iPhoneDev/httptrace)

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