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  • Getting a SIGABRT error in dismissModalViewController

    - by mcalleja
    Im receiving a SIGABRT error when I cancel a MFMailComposeViewController, exactly in the dismissViewController, don't work I have a UIViewController within a UINavigationController. My Code: - (void)sendMail { if ([MFMailComposeViewController canSendMail]) { controller = [[MFMailComposeViewController alloc] init]; [[controller navigationBar] setTintColor:[UIColor getHexColorWithRGB:@"e2de09" alpha:1.0f]]; controller.mailComposeDelegate = self; [controller setSubject:@"Subject"]; NSString *msg="xxxxx"; [controller setMessageBody:msg isHTML:YES]; [self presentModalViewController:controller animated:YES]; } else { NSString * errorString = [NSString stringWithFormat:@"mail account not set."]; UIAlertView * errorAlert = [[UIAlertView alloc] initWithTitle:@"Error:" message:errorString delegate:self cancelButtonTitle:@"OK" otherButtonTitles:nil]; [errorAlert show]; } } The presentModalViewController:animated: works correctly. - (void)mailComposeController:(MFMailComposeViewController*)controller didFinishWithResult:(MFMailComposeResult)result error:(NSError*)error { [self becomeFirstResponder]; [self dismissModalViewControllerAnimated:YES]; } But calling [self dissmissModalViewControllerAnimatedLYES] causes a SIGABRT error.

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  • UIButton title disappears on touch

    - by psychotik
    I want a touchable UILabel, but since that's not possible I decided to create a UIButton of type UIButtonTypeCustom. It looks how I want it to look, but when I touch it, the title disappears. I tried setting the title for state UIControlStateHighlighted but that didn't help. I know I'm doing something really silly here, but can't figure it out. I tried a few things (commented in the code below) which didn't seem to help. Here's how I'm configuring the button: UIButton* button = [UIButton buttonWithType:UIButtonTypeCustom]; button.frame = CGRectMake(0, 0, width, height); button.clearsContextBeforeDrawing = YES; button.contentHorizontalAlignment = UIControlContentHorizontalAlignmentLeft; button.contentVerticalAlignment = UIControlContentVerticalAlignmentCenter; button.enabled = YES; button.hidden = NO; button.highlighted = NO; button.opaque = YES; button.selected = NO; button.userInteractionEnabled = YES; button.showsTouchWhenHighlighted = NO; [button setTitle:@"Hello World" forState:UIControlStateNormal]; button.titleLabel.font = [UIFont boldSystemFontOfSize:16]; button.titleLabel.textColor = [UIColor blackColor]; // Things I tried that didn't help //[button setBackgroundColor:[UIColor clearColor]]; //button.titleLabel.text = @"Hello World"; //[button setTitle:@"Hello World" forState:UIControlStateHighlighted]; Any ideas?

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  • coredate data not show at tableView

    - by pengwang
    hello,i used coredate at the tableView,when i enter the viewControl i will call: dispatch_queue_t downloadQueue = dispatch_queue_create("socket login", NULL); dispatch_async(downloadQueue, ^{ NSManagedObjectContext *managedObjectContext =[self getManagedObjectContext]; noticListArr=[[CoreDataManager sharedInstance] readEvent:@"NotificationEntity" SortDescriptor:nil managedObjectContext:managedObjectContext]; NSLog(@"refreshData.count:%d ",noticListArr.count); for(int i=0;i<noticListArr.count;i++){ NotificationEntity *notificationEntity=[noticListArr objectAtIndex:i]; NSLog(@"notificationEntity.name:%@ ",notificationEntity.name); NSLog(@"notificationEntity.describeString:%@ ",notificationEntity.describeString); NSLog(@"notificationEntity.source:%@", notificationEntity.source); } }); dispatch_async(dispatch_get_main_queue(), ^{ [self.tableView1 reloadData]; }); dispatch_release(downloadQueue); all log have value but when i used - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { static NSString *CellIdentifier = @"NotificationViewCell"; NotificationViewCell *cell = (NotificationViewCell*)[tableView dequeueReusableCellWithIdentifier:CellIdentifier]; NotificationEntity *notificationEntity=(NotificationEntity *)[noticListArr objectAtIndex:indexPath.row]; NSLog(@"tableViewnoticListArr.count:%d ",noticListArr.count); NSLog(@"indexPath.row:%d ",indexPath.row); NSLog(@"notificationTable.avatarsmall:%@", notificationEntity.avatarsmall); NSLog(@"notificationTable.source:%@", notificationEntity.source); NSLog(@"notificationTable.name:%@", notificationEntity.name); NSLog(@"notificationTable.describeString:%@ ",notificationEntity.describeString); } only NSLog(@"tableViewnoticListArr.count:%d ",noticListArr.count); NSLog(@"indexPath.row:%d ",indexPath.row); can give me correct result.but all notificationEntity.name notificationEntity.describeString is null.i donot know why at the tabelview cell all value of notificationEntity is null.

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  • Frame sizing of tableview within nested child controllers/subviews

    - by jwoww
    I'm a bit confused by the proper frame sizing of a table view to fit within my screen. Here's my setup of view controllers within view controllers: UITabBarController UINavigationController as one of the tab bar viewcontrollers; title bar hidden ViewController - a container view controller because I need the option to place some controls beneath the UITableView, sometimes (but not in the current scenario) UITableViewController Now, my question is what the proper frame dimensions of the UITableview should be. Here's what I've got in the ViewController viewDidLoad method. I used subtracted 49.0 (the size of the tab bar) from 480.0. However, this leaves a black bar at the bottom. 20.0 appears to do it (coincidentally?) the size of the status bar, but I don't understand why that would be. Wouldn't the true pixel dimensions of the tableview be 480-49? // MessageTableViewController is my subclass of UITableViewController MessagesTableViewController *vcMessagesTable = [[MessagesTableViewController alloc] init]; CGRect tableViewFrame = CGRectMake(0, 0, 320.0, 480.0 - 49.0); [[vcMessagesTable view] setFrame:tableViewFrame]; self.tableViewController = vcMessagesTable; [self addChildViewController:vcMessagesTable]; [[self view] addSubview:vcMessagesTable.view]; Here's how it looks:

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  • Add subview (rows) fast to UIScrollView while scrolling

    - by tikhop
    I have UIScrollView with a lot of rows (~100) and I implemented dequeueReusableRow method for fast allocating and adding my subviews (rows). Everything work fine, but if I scroll very fast with decelerate some view don't added to scrollView on time only later. - (UIView *)dequeueReusableRow { UIView *view = [reusableRows anyObject]; if(view) { [[view retain] autorelease]; [reusableRows removeObject:view]; }else{ view = [[UIView alloc] init.... } return view; } - (void)addVisibleRows { UIView *row = [self dequeueReusableRow]; row.frame = .... [scrollView addSubview:row] } - (void)scrollViewDidScroll:(UIScrollView *)scrollView { [self addVisibleRows]; [self removeInvisibleRows]; } Please, don't propose me use UITableView because structure of accordion looks like: section - section -- section --- row - section section - row

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  • Microphone question in iPhone SDK

    - by Henry D'Andrea
    I am trying to do an app, to where when it launches, it will detect audio, and then play it back automatically. NO BUTTONS, NOthing to press. Just a picture of something then, it listens for audio, then plays it back. Similar to the Talking Carl app in the App Store. Any ideas/help? Would appreciate it, if i could use the code with IB.

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  • Odd Segue Behaviour - Not Firing

    - by Zak
    So I've noticed some very weird behaviour from my program. Here's a simplified code snippet and then I'll explain what occurs when built and ran. -(void)viewDidLoad { [super viewDidLoad]; ... if (self.sampleBool) { [self performSegueWithIdentifier:@"mySegue" sender:self]; } else { // do stuff } } ... -(IBAction)myMethod:(UITapGestureRecognizer*)sender { ... [self performSegueWithIdentifier:@"mySegue" sender:self]; } The segue triggers via the UITapGestureRecognizer fine - so I know the segue is linked correctly. However, when self.sampleBool is true and performSegueWithIdentifier is called within viewDidLoad, the segue does not fire. Anyone have any guesses? Any help or advice is appreciated. Thanks

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  • Xcode App Crash-When connecting to the ODATA services [on hold]

    - by user3685677
    Can someone help me resolving the following issue: When trying to connect from iPad app to SAP ECC system through ODATA channel services via SUP, it is allowing me to login for the first time and could retrieve the data successfully from SAP system. But when I logout and try logging in again with the same session, application gets crashed. Below is the crash report for your reference. I am using SDM Parser to connect the SAP system. SDMODataServiceDocumentParser *sdmDocParser = [[SDMODataServiceDocumentParser alloc] init]; [sdmDocParser parse:aServiceDocument]; m_serviceDocument = sdmDocParser.serviceDocument; //Load the object with metadata xml: SDMODataMetaDocumentParser *sdmMetadataParser = [[SDMODataMetaDocumentParser alloc] initWithServiceDocument:m_serviceDocument]; [sdmMetadataParser parse:aMetadata]; After initiated the service, setting the URL. [service setServiceDocumentUrl:m_serviceDocumentURL]; Using SDMconnectivityhelper to connect the URL id<SDMRequesting> serviceDocumentRequest2 = [connectivityHelper executeBasicSyncRequestWithQuery3:[[ODataQuery alloc]initWithURL:[NSURL URLWithString:encodedStrUrl]]] ; - (id <SDMRequesting>)executeBasicSyncRequestWithQuery3:(ODataQuery *)aQuery { id<SDMRequesting> request = [self createRequestWithQuery:aQuery]; [request setTimeOutSeconds:TIMEOUT_SEC]; [request setRequestMethod:@"GET"]; [request addRequestHeader:@"Content-Type" value:@"application/xml"]; [request startSynchronous];**[App getting CRASH in this line]** return request; } - (id <SDMRequesting>)createRequestWithQuery:(ODataQuery *)aQuery { if (isSUPMode) { [SDMRequestBuilder setRequestType:SUPRequestType]; } else { [SDMRequestBuilder setRequestType:HTTPRequestType]; } id <SDMRequesting> request = [SDMRequestBuilder requestWithURL:aQuery.URL]; request.username = self.username; request.password = self.password; return request; } Crash Report:- Incident Identifier: 347511BA-5F7F-45D4-8662-D5DCD2F88EA7 CrashReporter Key: 9a4d38cf19b1a94476eb6b2170d4f56678d6ca60 Hardware Model: iPad3,4 Path: /var/mobile/Applications/F38AD64F-03F8-4A21- Exception Type: EXC_BAD_ACCESS (SIGSEGV) Exception Subtype: KERN_INVALID_ADDRESS at 0x00000000 Triggered by Thread: 0 Thread 0 Crashed: 0 libsystem_platform.dylib 0x393a94c0 _platform_memmove$VARIANT $Swift + 160 1 Eby Sales Order 0x0015a2c8 0xb7000 + 668360 2 Eby Sales Order 0x0015a8b8 0xb7000 + 669880 3 Eby Sales Order 0x003331ee 0xb7000 + 2605550 4 Eby Sales Order 0x0031856e 0xb7000 + 2495854 5 Eby Sales Order 0x00338454 0xb7000 + 2626644 6 Eby Sales Order 0x000e6ad8 0xb7000 + 195288 7 Eby Sales Order 0x000e99a0 0xb7000 + 207264 8 Eby Sales Order 0x000ea442 0xb7000 + 209986 9 Eby Sales Order 0x000eb0d6 0xb7000 + 213206 10 Eby Sales Order 0x000c13d0 0xb7000 + 41936 11 Foundation 0x2ec93112 __NSFireDelayedPerform + 410 12 CoreFoundation 0x2e27ef4c __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__ + 12 13 CoreFoundation 0x2e27eb66 __CFRunLoopDoTimer + 790 14 CoreFoundation 0x2e27ceee __CFRunLoopRun + 1214 15 CoreFoundation 0x2e1e7764 CFRunLoopRunSpecific + 520 16 CoreFoundation 0x2e1e7546 CFRunLoopRunInMode + 102 17 GraphicsServices 0x331216ce GSEventRunModal + 134 18 UIKit 0x30b4688c UIApplicationMain + 1132 19 Eby Sales Order 0x000bd8da 0xb7000 + 26842 20 Eby Sales Order 0x000bd89c 0xb7000 + 26780

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  • Why do I get "2010-01-01 00:00:00 +900" from "2010-12-31 15:00:00 +000"?

    - by mikezang
    I have NSDate, it will be shown as below if I used NSLog(@"%@", date.description); 2010-12-31 15:00:00 +0000 it will be shown as if I used NSLog(@"%@", [date descriptionWithLocale:[[NSLocale currentLocale] localeIdentifier]]); Saturday, January 1, 2011 12:00:00 AM Japan Standard Time But it will be show as below if I used NSLog(@"%@", [date formattedDateString]); 2010-01-01 00:00:00 +0900 Where do I make mistake? (NSString *)formattedDateString { return [self formattedStringUsingFormat:@"YYYY-MM-dd HH:mm:ss ZZZ"]; } (NSString *)formattedStringUsingFormat:(NSString *)dateFormat { NSDateFormatter *formatter = [[NSDateFormatter alloc] init]; [formatter setDateFormat:dateFormat]; NSString *ret = [formatter stringFromDate:self]; [formatter release]; return ret; }

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  • how to fetch data from Plist in Label

    - by SameSung Vs Iphone
    I have a RegistrationController screen to store email-id ,password,DOB,Height,Weight and logininController screen to match email-id and password to log-in purpose. Now In some third screen I have to fetch only the Height,Weight from the plist of the logged-in user to display it on the label.now if I Store the values of email-id and password in from LoginViewController in string and call it in the new screen to match if matches then gives Height,Weight ..if it corrects then how to fetch Height,Weight from the plist of the same one. how can i fetch from the stored plist in a string... the code which i used to match in LoginController -(NSArray*)readFromPlist { NSArray *documentPaths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES); NSString *documentsDirectory = [documentPaths objectAtIndex:0]; NSString *documentPlistPath = [documentsDirectory stringByAppendingPathComponent:@"XYZ.plist"]; NSDictionary *dict = [NSDictionary dictionaryWithContentsOfFile:documentPlistPath]; NSArray *valueArray = [dict objectForKey:@"title"]; return valueArray; } - (void)authenticateCredentials { NSMutableArray *plistArray = [NSMutableArray arrayWithArray:[self readFromPlist]]; for (int i = 0; i< [plistArray count]; i++) { id object = [plistArray objectAtIndex:i]; if ([object isKindOfClass:[NSDictionary class]]) { NSDictionary *objDict = (NSDictionary *)object; if ([[objDict objectForKey:@"pass"] isEqualToString:emailTextFeild.text] && [[objDict objectForKey:@"title"] isEqualToString:passwordTextFeild.text]) { NSLog(@"Correct credentials"); return; } NSLog(@"INCorrect credentials"); } else { NSLog(@"Error! Not a dictionary"); } } }

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  • NSPredicate 'OR' filtering based on an NSArray of keys

    - by So Over It
    Consider the following NSArray: NSArray *dataSet = [[NSArray alloc] initWithObjects: [NSDictionary dictionaryWithObjectsAndKeys:@"abc", @"key1", @"def", @"key2", @"hij", @"key3", nil], [NSDictionary dictionaryWithObjectsAndKeys:@"klm", @"key1", @"nop", @"key2", nil], [NSDictionary dictionaryWithObjectsAndKeys:@"qrs", @"key2", @"tuv", @"key3", nil], [NSDictionary dictionaryWithObjectsAndKeys:@"wxy", @"key3", nil], nil]; I am able to filter this array to find dictionary objects that contain the key key1 // Filter our dataSet to only contain dictionary objects with a key of 'key1' NSString *key = @"key1"; NSPredicate *key1Predicate = [NSPredicate predicateWithFormat:@"%@ IN self.@allKeys", key]; NSArray *filteretSet1 = [dataSet filteredArrayUsingPredicate:key1Predicate]; NSLog(@"filteretSet1: %@",filteretSet1); Which appropriately returns: filteretSet1: ( { key1 = abc; key2 = def; key3 = hij; }, { key1 = klm; key2 = nop; } ) Now, I am wanting to filter the dataSet for dictionary objects containing ANY of the keys in an NSArray. For example, using the array: NSArray *keySet = [NSArray arrayWithObjects:@"key1", @"key3", nil]; I want to create a predicate that returns and array of any dictionary objects that contain either 'key1' or 'key3' (ie. in this example all dictionary objects would be returned except for the third object - as it does not contain either 'key1' or 'key3'). Any ideas on how I would achieve this? Would I have to use a compound predicate?

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  • UIsearch bar not returning data to table

    - by Insane_Poyo
    Edited code - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { static NSString *CellIdentifier = @"Cell"; UITableViewCell *cell = [self.tableView dequeueReusableCellWithIdentifier:CellIdentifier]; if (cell==nil) cell=[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier]; if (isFiltered) { int rowCount=indexPath.row; Aves *filtrada=[filteredTableData objectAtIndex:rowCount]; cell.textLabel.text=filtrada.name; NSLog(@"mostrando: "); }else { int rowCounter=indexPath.row; Aves *author=[theauthors objectAtIndex:rowCounter]; cell.textLabel.text=author.name; } NSLog(@"mostrando: "); return cell; } -(void)searchBar:(UISearchBar*)searchBar textDidChange:(NSString*)text { if(text.length == 0) { isFiltered = FALSE; } else { isFiltered = true; int i; [filteredTableData removeAllObjects]; for(i=0;[theauthors count]>i;i++) { Aves *name=[theauthors objectAtIndex:i]; //NSLog(name.name); NSRange nameRange = [[name.name lowercaseString] rangeOfString:[text lowercaseString]]; if(nameRange.length>0) { [filteredTableData addObject:name]; NSLog(name.name); } } [self.tableView performSelectorOnMainThread:@selector(reloadData) withObject:nil waitUntilDone:NO]; } } Edit: After working on it a while I solved some problems.Just updated my code, the problem is the repaint of the tableView, every thing else go ok. Check it and give any ideas you have plz ^^ Thx again for your time.

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  • Different icons and title for same iPad application

    - by trapo
    I'm developing an iPad application that will be distributed "in-house" ie only inside enterprise. They asked me if i can produce 2 different releases of the same application to be installed on the same iPad. The first one will communicate with a production server while the second will use a sandbox server and will be used by user to learn the system. Server url will be changed in app settings. They told me to differentiate these releases by icon and title (and also, of course, by title in navigation bar). What's the best way to get this goal avoiding duplication of the project?

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  • Passing a NSString to another ViewController using classes

    - by Jeff Kranenburg
    I know this insanely simple, but I am re-teaching myself the basics and trying to get my head around this:-) I have one ViewController called MainVC and I have one called ClassVC In ClassVC I have this code: @interface ClassVC : UIViewController { NSString *mainLine; } @property (nonatomic, retain) NSString *mainLine; @end and I have this in the implementation file: @synthesize mainLine = _mainLine; -(NSString *)_mainLine { _mainLine = @"This a string from a Class"; return _mainLine; } Now I was thinking that if I #import the ClassVC into MainVC I would be able to transfer that string along as well like so: This code is in the viewDidLoad _mainLabel.text = _secondClass.mainLine; NSLog(@"%@", _secondClass.mainLine); But that is not working - so cannot I not pass strings in through this way???

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  • how to clear a data in tableviewcell again start reload?

    - by Ios_learner
    i'm developing a bluetooth apps.1) I want to hide a tableview when i start the apps..after i pressed a action button i want to enable a tableview.. 2)if i again press a action button means tableviewcell clear the data and show empty before searching..give me an idea.. some of the code- - (IBAction)connectButtonTouched:(id)sender { [self.deviceTable reloadData]; self.connectButton.enabled = YES; [self.deviceTable reloadData]; peripheralManager = [[PeripheralManager alloc] init]; peripheralManager.delegate = self; [peripheralManager scanForPeripheralsAndConnect]; [self.deviceTable reloadData]; [NSTimer scheduledTimerWithTimeInterval:(float)5.0 target:self selector:@selector (connectionTimer:) userInfo:nil repeats:YES]; alert=[[UIAlertView alloc] initWithTitle:@"Bluetooth" message:@"Scanning" delegate:nil cancelButtonTitle:@"Cancel" otherButtonTitles:nil]; UIActivityIndicatorView *progress=[[UIActivityIndicatorView alloc] initWithFrame:CGRectMake(125, 50, 30, 30)]; [alert addSubview:progress]; [progress startAnimating]; [alert show]; } tableview -(NSInteger)numberOfSectionsInTableView:(UITableView *)tableView { return 1; } -(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section { return [device count]; } -(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { static NSString *CellIdentifier=@"Cell"; UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier]; if(cell==nil) { cell =[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier]; } cell.textLabel.text=[device objectAtIndex:indexPath.row]; cell.accessoryType=UITableViewCellAccessoryDetailDisclosureButton; return cell; } TableView Delegate - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { UITableViewCell *cell=[tableView cellForRowAtIndexPath:indexPath]; [self performSegueWithIdentifier:@"TableDetails" sender:tableView]; }

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  • How Do I Bind a UIButton Property to Another Property?

    - by cygnl7
    UIButton eventually inherits from NSObject, and NSObject implements NSKeyValueBindingCreation Protocol. So why can't I bind a UIButton's property to another class' property? [myUIButton bind:@"enabled" toObject:myOtherObject withKeyPath:@"otherObjectBOOLProperty" options:nil]; This results in the warning 'UIButton' may not respond to '-bind:toObject:withKeyPath:options:' What I'm trying to do is bind the enabled state of my UIButton to myOtherObject.otherObjectBOOLProperty.

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  • iPhone Application failing to come back from sigkill

    - by overscore
    I have no idea if this is intended behaviour, but whenever the application exits (say, the user is double-clicking the home button and pressing on the red dash on the icon) I get the dreaded SIGKILL. Now, when I try to launch the app again all I get is the old screen state and a frozen (I presume ?) program. It could be because of clunky memory management, but NSZombieEnabled doesn't seem to agree. Any thoughts ?

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  • didSelectRowAtIndexPath being called after viewDidLoad of the called view

    - by Serguei Fedorov
    I am trying to pass variables over to the new view. I have the following code: appDelegate *dataCenter = (AppDelegate*)[[UIApplication sharedApplication] delegate]; dataCenter.myVariable = [array objectAtIndex:indexPath.row]; in the didSelectRowAtIndexPath of the calling view. However, the issue that I have is that this variable is empty in the vewDidLoad function of the next view, simply because it fired off BEFORE the didSelectRowAtIndexPath of the calling view. I am using storyboard to link the views together. Both are UITableView. If I hit back and then reselect the table element it is then set, granted that by the time I hit back and then selected again, the variable got set. Is there any way to for the order of execution? I really don't want to do UI view switching on the back end. Any help is greatly appreciated!

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  • ViewController Navigating

    - by Kobe.o4
    I have 4 ViewControllers, startViewController as the initial View Controller. This contains my intro. After its finish, it will [self presentViewController:vc animated:YES completion:NULL]; into my menuViewController. startViewController ------> menuViewController ------> C1ViewController \ \ ------> ImportantViewController In my menuViewController are buttons for the two ViewController like the above illustration. Also I presented them in the View with this: [self presentViewController:vc animated:YES completion:NULL]; I return tomenuViewController with this [self dismissModalViewControllerAnimated:YES]; What I wanted is to make the ImportantViewController to be the like the parent view or the mainVIew even if I go to other Views. What I need is when ImportantViewController is presented when I go to either C1ViewController or menuViewController it wont be deallocated, or its content there will still be retained. Is it possible? And How? I don't know much about what parent and child view controllers for so I dont know what to implement in my problem. Thank you. BTW, Im using Storyboard.

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  • How can I get the JSON array data from nsstring or byte in xcode 4.2?

    - by user1471568
    I'm trying to get values from nsdata class and doesn't work. here is my JSON data. { "count": 3, "item": [{ "id": "1", "latitude": "37.556811", "longitude": "126.922015", "imgUrl": "http://175.211.62.15/sample_res/1.jpg", "found": false }, { "id": "3", "latitude": "37.556203", "longitude": "126.922629", "imgUrl": "http://175.211.62.15/sample_res/3.jpg", "found": false }, { "id": "2", "latitude": "37.556985", "longitude": "126.92286", "imgUrl": "http://175.211.62.15/sample_res/2.jpg", "found": false }] } and here is my code -(NSDictionary *)getDataFromItemList { NSData *dataBody = [[NSData alloc] initWithBytes:buffer length:sizeof(buffer)]; NSDictionary *iTem = [[NSDictionary alloc]init]; iTem = [NSJSONSerialization JSONObjectWithData:dataBody options:NSJSONReadingMutableContainers error:nil]; NSLog(@"id = %@",[iTem objectForKey:@"id"]); //for Test output = [[NSString alloc] initWithBytes:buffer length:rangeHeader.length encoding:NSUTF8StringEncoding]; NSLog(@"%@",output); return iTem; } how can I access every value in the JSON? Please help me.

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  • issue with keychain and updates from app store

    - by xonegirlz
    I am having a very frustrating error. I have tested for an app upgrade by first installing the previous version (1.0.1) and then running version (1.0.2). Everything worked fine. I submitted the app and then I am getting issues people are getting crashes when they upgrade. I tried doing the same thing, which is installing the 1.0.1 and then install the binary on the app store, then it crashed. I looked at the console and crash logs and I get this: Jul 7 08:07:45 unknown MyApp[1429] <Warning>: KeychainUtils keychainValueForKey: - Error finding keychain value for key. Status code = -25300 Jul 7 08:07:45 unknown MyApp[1429] <Warning>: AccountSession readUserDataFromDisk - Error finding keychain value for key /var/mobile/Applications/997B32E7-6FFC-4696-9CAA-129BADE2FE64/Documents/instagram_json Jul 7 08:07:45 unknown MyApp[1429] <Warning>: UISegmentedControlStyleBezeled is deprecated. Please use a different style. Jul 7 08:07:45 unknown MyApp[1429] <Error>: *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[__NSCFDictionary setObject:forKey:]: attempt to insert nil value (key: username)' *** First throw call stack: (0x33ee688f 0x367e7259 0x33ee6789 0x33ee67ab 0x33e5368b 0x14fd99 0x152319 0x1530bb 0x170299 0x3270ec59 0x32711817 0x354e7dfb 0x354e7cd0) Jul 7 08:07:45 unknown UIKitApplication:com.firesnakelabs.pinstagram[0x14e4][1429] <Notice>: terminate called throwing an exception >

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  • Navigation Bar color doesn't change back? iOS7

    - by TKP
    I have several tableviews with navigation controller. The navigation bar is white for all the views except the last one, which is red. I have [[[self navigationController] navigationBar] setTintColor:[UIColor redColor]; in the viewDidLoad of the last tableview and [[[self navigationController] navigationBar] setTintColor:[UIColor whiteColor]; in the viewDidLoad of other table views. It works fine until I get to the last view and the color of the navigation bar changes to red. When I go back to the previous views, all the previous views' navigation bar has changed to red. Where should I put those codes so the color will remain unchanged? Thanks,

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  • Thread is being killed by the OS

    - by Or.Ron
    I'm currently programming an app that extracts frames from a movie clip. I designed it so that the extraction will be done on a separate thread to prevent the application from freezing. The extraction process itself is taking a lot of resources, but works fine when used in the simulator. However, there are problems when building it for the iPad. When I perform another action (I'm telling my AV player to play while I extract frames), the thread unexpectedly stops working, and I believe it's being killed. I assume it's becauase I'm using a lot of resources, but not entirely sure. Here are my questions: 1. How can I tell if/why my thread stopping? 2. If it's really from over processing what should I do? I really need this action to be implemented. Heres some code im using: To create the thread: [NSThread detachNewThreadSelector:@selector(startReading) toTarget:self withObject:nil]; I'll post any information you need, Thanks so much! Update I'm using GCD now and it populates the threads for me. However the OS still kills the threads. I know exactly when is it happening. when i tell my [AVplayer play]; it kills the thread. This issue is only happening in the actual iPad and not on the simulator

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  • Redrawing content of UIWebView

    - by btate
    I have a bunch of webviews with static html content that I'm putting in a scroll view as pages. That works fine, but having 20 something full screen subviews of the scroll view is causing some lag. I solved that by only placing 5 at a time in there. The current view, and the two next and two previous. The problem now is that any web view that is not a subview of the scroll view is not drawing correctly based on the device orientation. The frame of the webview is printing out correct, but the actual content is drawing in portrait mode. So there is essentially a strip of blank space to the right of the content. How do I go about re rendering the content without reloading the page? Here's the relevant code: - (void)didRotateFromInterfaceOrientation:(UIInterfaceOrientation) fromInterfaceOrientation{ [self resizeSubViews]; } - (void) setupWebViews{ if(_webViews == nil) _webViews = [[NSMutableArray alloc] init]; // This is where the navigation would come into play as far as loading up available web views [_webViews removeAllObjects]; // for loop here to create web views for (int i = 0; i < 20; i++) { //CDCWebViewController *webView = [[[MyInternalWebView alloc] initWithFrame:_webViewWrapper.frame] retain]; MyInternalWebView *page = [[[MyInternalWebView alloc] init] retain]; [page loadRequest:[NSURLRequest requestWithURL:_url]]; [page setCdcIWVdelegate:self]; [page setTestIndex:i]; [page setPageIndex:i]; [_webViews addObject:page]; [self loadScrollViewWithPage:i]; } [self clearUnusedWebViews:_pageControl.currentPage]; } - (void) setupWebViewWrapper{ // a page is the width of the scroll view _webViewWrapper.pagingEnabled = YES; _pageControl = [[[UIPageControl alloc] init] retain]; _webViewWrapper.showsHorizontalScrollIndicator = NO; _webViewWrapper.showsVerticalScrollIndicator = NO; _webViewWrapper.scrollsToTop = NO; _webViewWrapper.delegate = self; _pageControl.numberOfPages = [_webViews count]; _pageControl.currentPage = 0; } - (void) resizeSubViews{ // The frame is set in IB _webViewWrapper.contentSize = CGSizeMake(_webViewWrapper.frame.size.width * [_webViews count], _webViewWrapper.frame.size.height); // Move the content offset. _webViewWrapper.contentOffset = CGPointMake(_webViewWrapper.frame.size.width * _pageControl.currentPage, _webViewWrapper.contentOffset.y); for (MyInternalWebView *subview in _webViewWrapper.subviews) { // Reset the frame height and width here? CGRect frame = _webViewWrapper.frame; frame.origin.x = frame.size.width * subview.pageIndex; frame.origin.y = 0; [subview setFrame:frame]; } } //***************************************************** //* //* ScrollView Functions //* //***************************************************** - (void)loadScrollViewWithPage:(int)page { // Make sure we're not out of bounds if (page < 0) return; if (page >= [_webViews count]) return; MyInternalWebView *webView = [_webViews objectAtIndex:page]; // Add the preloaded webview to the scrollview if it's not there already if (nil == [webView superview]) { CGRect frame = _webViewWrapper.frame; //NSLog(@"width = %f", frame.size.width); frame.origin.x = frame.size.width * page; frame.origin.y = 0; //NSLog(@"setting frame for page %d %@", page, NSStringFromCGRect(frame)); [webView setFrame:frame]; [_webViewWrapper addSubview:[_webViews objectAtIndex:page]]; // Now that the new one is loaded, clear what doesn't need to be here [self clearUnusedWebViews:page]; } } - (void) clearUnusedWebViews: (NSInteger) page{ for (int i = 0; i < [_webViews count]; i++) { if ((page - i) <= 2 && i - page <= 2) { continue; } [[_webViews objectAtIndex:i] removeFromSuperview]; } } - (void)scrollViewDidScroll:(UIScrollView *)sender { // Switch the indicator when more than 50% of the previous/next page is visible CGFloat pageWidth = _webViewWrapper.frame.size.width; NSInteger page = floor((_webViewWrapper.contentOffset.x - pageWidth / 2) / pageWidth) + 1; _pageControl.currentPage = page; // load the visible page and the page on either side of it (to avoid flashes when the user starts scrolling) [self loadScrollViewWithPage:page - 2]; [self loadScrollViewWithPage:page - 1]; [self loadScrollViewWithPage:page]; [self loadScrollViewWithPage:page + 1]; [self loadScrollViewWithPage:page + 2]; }

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  • Custom inputAccessoryView push my UITableView first row partially off the screen

    - by TonyMocha
    Hi For my scenario, I have a UITableView with a UITextField for the first row. While I try to set custom toolbar for keyboard with UITextField.inputAccessoryView, it pushed my first row of textfield partially off the screen. This is not happening if I avoid adding the toolbar. Refer screen shot below: I tried with NSNotification with keyboardWillShow by reposition to first row of the tableview, but it just look awkward for the table pulling out and in. It might be something to do overriding UITableView/UIScrollView, but I am out of idea how to do this. Would like to know how you guys resolve this. Thanks you!

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