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  • How to set editing is yes for a particular section in iPhone

    - by Madan Mohan
    Hi guys, I have declared UITableView in .h file.I have 5 section in the table view, now I need to set the tableview.editing= yes only for section 4. how can I dispaly the + button beside section 4 and all other sections must in editing = NO. myTableView = [[UITableView alloc]initWithFrame:CGRectMake(0,0,320,415) style:UITableViewStyleGrouped]; myTableView.delegate = self; myTableView.dataSource=self; [myTableView setSectionFooterHeight:0]; [myTableView setSectionHeaderHeight:15]; [myTableView setSeparatorColor:[UIColor lightGrayColor]]; myTableView.backgroundColor = [UIColor colorWithRed:0.85546875 green:0.8828125 blue:0.92578125 alpha:1]; [myView addSubview: myTableView]; I tried like this it is not working. - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section { if(section==0) { myTableView.editing = NO; myTableView.allowsSelectionDuringEditing = NO; return 3; } else if(section ==1) { myTableView.editing = NO; myTableView.allowsSelectionDuringEditing = NO; return 2; } else if(section==4) { myTableView.editing = YES; myTableView.allowsSelectionDuringEditing = YES; if(isEdit == YES) { if([editObject.contactList count]0) { return [editObject.contactList count]+1; } else { return 1; } } else if(isEdit == NO) { if([addContactList count]0) { return [addContactList count]+1; } else { return 1; } } } else if(section==2) { myTableView.editing = NO; myTableView.allowsSelectionDuringEditing = NO; return 1; } else if(section==3) { myTableView.editing = NO; myTableView.allowsSelectionDuringEditing = NO; return 1; } return 0; } I am getting + button to the 4th section but all other section are moved to the right side. please help me Thank You, Madan Avulagadda.

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  • How to decoding the string in iphone

    - by Pugal Devan
    Hi, I want to decode my string. I have used parsing and get a string from RSS feed. In a string these special characters are not allowed &,<, in my app. So server side encoding those characters and give it to the string. So now i got the string like, Actual String : <Tom&Jerry> (only these characters are not allowed in node data & < >). After Encoding: %3CTom%26Jerry%3E. But i need to display the string is <Tom&Jerry> So how can i decode the string. Please help me out. Thanks.

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  • iPhone UIScrollView embedded UIView is clipped

    - by scc
    Hello. I have an iPad UIView subclass (we'll call LargerUIView) with which I do a bunch of drawing via drawRect: once asked. That all appears to be working, and looks the way I like. I'm at the point now of trying to get scrolling working (just in the horizontal to begin), yet when I try to scroll, what shows below is black (ie, appears to have never been drawn). That doesn't surprise me as it's likely been clipped. Looking for suggestions. Here's what I'm doing so far: MyAppDelegate.m - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { CGRect scrollRect = CGRectMake(0, 0, 768, 1024); UIScrollView *scrollView = [[UIScrollView alloc] initWithFrame:scrollRect]; LargerUIView *view = (LargerUIView *)[viewController view]; [scrollView addSubview:view]; [scrollView setContentSize:CGSizeMake(768, pageHeight)]; [scrollView setContentMode:UIViewContentModeRedraw]; [scrollView setClipsToBounds:YES]; [window addSubview:scrollView]; [scrollView release]; // Without this next line, the "frontmost" (ie, most recently added subview) // is the MoxiesAppetizerMenu - which is not equipped to handle scrolling/UIEvents [window sendSubviewToBack:view]; // Show it all. [window makeKeyAndVisible]; return YES; } Any suggestions? Have tried changing "setClipsToBounds" to NO as well.

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  • iPhone, JQTouch and HTML5 audio tags

    - by Moo
    I am having an issue with JQTouch (latest beta) and html5 audio tags on 'sub pages' - the audio tag works before any page transitions are done, and cease to work afterward. For example: http://richardprice.dyndns.ws/test.html and http://richardprice.dyndns.ws/test2.html are identical other than I swap the "current" class between the two divs - all the audio tags play the same mp3. On test.html the audio tag on the initial page works, but when you switch to Page 2 the audio tag on that page does not (and sometimes results in a browser crash). Switch back to Page 1 and the audio tag on that page has ceased to work. test2.html is the same test but with the initial pages reversed, and the same thing happens - Page 2 (now the initial page) plays the audio, Page 1 does not, and switching back to Page 2 results in the audio no longer working. Thoughts?

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  • iPhone - Drawing 2D Shapes

    - by Hawdon
    Hi guys! I have an array of 2D points which make an irregular polygon. What I want to do is draw the borders of it and then fill it with a color. I am using Cocos2d to code the game around, but I have not found a fill function in Cocos2d, only the ccDrawLine and such. Is there a simple way to draw filled shapes in Cocos2? I have also noted that Core Graphics would work beautifully for this purpose, but I am not able to integrate it with Cocos2d. I put this in to the draw function of my CCLayer: CGContextRef ctx = UIGraphicsGetCurrentContext(); CGContextClearRect(ctx, [[UIScreen mainScreen] bounds]); And every time I run it i get this error: <Error>: CGContextClearRect: invalid context I really need to get this working... Any ideas?

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  • Can't set text label in table view in Xcode for the iPhone

    - by Dave
    I have this code: tableList = [[NSMutableArray alloc] initWithObjects:@"First View",@"Second View",nil]; I have synthesized it and set the property, the problem is when I add this line under the configure the cell comment to set the text of each row, the app opens in the simulator but instantly closes: // Configure the cell. cell.textLabel.text = [tableList objectAtIndex:indexPath.row]; return cell; Any ideas on what is causing this ?

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  • iPhone current user location coordinates showing as (0,0)

    - by ennuikiller
    I'm trying to get the users current latitude and longitude with this viewDidLoad method. The resulting map is correctly indicating the current location however the NSLog consistently shows: 2009-09-19 16:45:29.765 Mapper[671:207] user latitude = 0.000000 2009-09-19 16:45:29.772 Mapper[671:207] user longitude = 0.000000 Anyone know what I am missing here? Thanks in advance for your help! - (void)viewDidLoad { [super viewDidLoad]; [mapView setMapType:MKMapTypeStandard]; [mapView setZoomEnabled:YES]; [mapView setScrollEnabled:YES]; [mapView setShowsUserLocation:YES]; CLLocation *userLoc = mapView.userLocation.location; CLLocationCoordinate2D userCoordinate = userLoc.coordinate; NSLog(@"user latitude = %f",userCoordinate.latitude); NSLog(@"user longitude = %f",userCoordinate.longitude); }

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  • MKAnnotationView for userLocation pin iPhone

    - by Mauricio Galindo
    I have an application that uses MKMapView and at some point in the app I need to remove all the current pins in the map using [mapView removeAnnotations:mapView.annotations] And then I want to show again the current user location mapView.showUserLocation = YES But I can only make it reappear as a regular pin, because the userLocation view class its not public so I cant return views of that type. Here is my code - (MKAnnotationView *)mapView:(MKMapView *)theMapView viewForAnnotation:(id <MKAnnotation>)annotation MKPinAnnotationView* annView = (MKPinAnnotationView *)[mapView dequeueReusableAnnotationViewWithIdentifier:@"currentloc"]; if (!annView) { MKPinAnnotationView *annView=[[MKPinAnnotationView alloc] initWithAnnotation:annotation reuseIdentifier:@"currentloc"]; annView.pinColor = MKPinAnnotationColorRed; annView.animatesDrop=TRUE; annView.canShowCallout = YES; annView.calloutOffset = CGPointMake(-5, 5); if ([annotation isKindOfClass:[DraggableAnnotationAM class]] ) annView.draggable = YES; return annView; } else { if ([annotation isKindOfClass:[DraggableAnnotationAM class]] ) annView.draggable = YES; annView.annotation = annotation; return annView; } Also I have found through reflection that MKUserLocationView is the class that is used to display the current location, but because its not public its not safe to use and my app keeps crashing and Im sure theres a easier way. Is it possible to do what I want, or should I just never remove the user location annotation of the mapView? Thanks in advance

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  • iPhone application update (using Core Data on Sqlite)

    - by owen
    I have an app which is using Core Data on Sqlite, Now I have a update which has some DB structure changes say adding a new table I know when an app get updated, it updates the app binary only, nothing on document directory will be changed. When the app gets updated and launchs at the first time and run [[NSPersistentStoreCoordinator alloc] initWithManagedObjectModel:[self managedObjectModel]]; It will find the difference between the data model and DB structure in Sqlite and will throw an exception and quit. Error: "The model used to open the store is incompatible with the one used to create the store" So, can anyone here give me some idea how to update an app when there is a DB structure change? I think we can run a DB script to create that new table when it launchs the update at the first time. But if there are other changes like changing the type of some fields or deleting some fields, and we need to migrate the old data, this is really a headache. In this case, Is the only way to do is creating a new app? Is there anyone tried something similar like this?

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  • Whats the best way to stop this app crash when buttons rapidly pressed iphone obj-c

    - by dubbeat
    Hi, I'm not entirely sure why this crash is happening and I'd like to get advice on the best way to deal with it. My app has 3 buttons. Each button requests a different XML file from a server which is used to populate a table view. If I rapidly press the buttons in sequence , button 1 button 2 button3 button 1 button 2 button3 button 1 button 2 button3 the application quits. What could be causing this. Would id be in the NSURLRequest side of things or the table view population side? How would you suggest I stop this behaviour? I was going to just set a boolean "isRequesting" to true when a button is pressed and set it to false when the table view is finished populating. If any button is pressed while isRequesting is True they do nothing. Does that sound wise or is there a better way? Thanks, dub

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  • iphone app userid

    - by pb24
    Hi, I have an app where we want users to be able to send us email/info. This would be a standard template which will open up on a button click within the app. I am struggling at the moment to find a legit way to do it. The problem is there are 2 things I need. 1) A way to let users send email to me 2) A way of knowing the person sending me mail is actually someone who has downloaded my app. Does anyone know if there is a way to do this? Does apple give us information/user id's or email id's of poeple who have downloaded the app? Many thanks in advance for any help with this.. PB

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  • iPhone Development - Compiler Warning!

    - by Mustafa
    Sometimes when i try to "build"/compile a downloaded source, i get following warning: ld: warning: directory '/Volumes/Skiiing2/CD/ViewBased/Unknown Path/System/Library/Frameworks' following -F not found Has anyone else seen this issue?

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  • libxml2 on iPhone

    - by mellkord
    I'm trying to parse HTML file with libxml2. Usually this works fine, but not in this case: <p> <b>Titles</b> (Some Text) <table> <tr> <td valign="top"> …Something1... </td> <td align="right" valign="top"> …Something2... </td> </tr> </table> </p> I do this query to get the first <td> //p[b='Titles']/table/tr/td[0] but nothing is returned because libxml think that <table> tag is not a child of a tag <p> and following him. And finally the question WHY?

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  • Accelerometer Values from Android/iPhone device

    - by mrlinx
    I'm trying to map my movements with a android device into an OpenGL scene. I've recorded accelerometer values for a simples movement: Moving the phone (lies flat on a table) 10cm forward (+x), and then 10cm backward (-x). The problem is that this values when used to calculate velocity and position, makes only the opengl cube go forward. Seems like the negative acceleration recorded was not enough to reduce the speed and invert its movement. What can be the problem? This is my function that updates the velocity and position every time new data comes in: void updatePosition(double T2) { double T = 0.005; Vec3 old_pos = position.clone(), old_vel = velocity.clone(); velocity = old_vel.plus(acceleration.times(T)); position = old_pos.plus(old_vel.times(T).plus(acceleration.times(0.5 * Math.pow(T, 2)))); } This is the X,Y,Z accelerometer values over the entire captured time:

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  • Implementation of "Automatic Lightweight Migration" for Core Data (iPhone)

    - by RickiG
    Hi I would like to make my app able to do an automatic lightweight migration when I add new attributes to my core data model. In the guide from Apple this is the only info on the subject I could find: Automatic Lightweight Migration To request automatic lightweight migration, you set appropriate flags in the options dictionary you pass in addPersistentStoreWithType:configuration:URL:options:error:. You need to set values corresponding to both the NSMigratePersistentStoresAutomaticallyOption and the NSInferMappingModelAutomaticallyOption keys to YES: NSError *error; NSURL *storeURL = <#The URL of a persistent store#>; NSPersistentStoreCoordinator *psc = <#The coordinator#>; NSDictionary *options = [NSDictionary dictionaryWithObjectsAndKeys: [NSNumber numberWithBool:YES], NSMigratePersistentStoresAutomaticallyOption, [NSNumber numberWithBool:YES], NSInferMappingModelAutomaticallyOption, nil]; if (![psc addPersistentStoreWithType:<#Store type#> configuration:<#Configuration or nil#> URL:storeURL options:options error:&error]) { // Handle the error. } My NSPersistentStoreCoordinator is initialized in this way: - (NSPersistentStoreCoordinator *)persistentStoreCoordinator { if (persistentStoreCoordinator != nil) { return persistentStoreCoordinator; } NSURL *storeUrl = [NSURL fileURLWithPath: [[self applicationDocumentsDirectory] stringByAppendingPathComponent: @"FC.sqlite"]]; NSError *error = nil; persistentStoreCoordinator = [[NSPersistentStoreCoordinator alloc] initWithManagedObjectModel:[self managedObjectModel]]; if (![persistentStoreCoordinator addPersistentStoreWithType:NSSQLiteStoreType configuration:nil URL:storeUrl options:nil error:&error]) { NSLog(@"Unresolved error %@, %@", error, [error userInfo]); abort(); } return persistentStoreCoordinator; } I am having trouble seeing where and how I should add the Apple code to get the Automatic Lightweight Migration working?

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  • iPhone Setting ViewController nested in NSMutableArray

    - by Peter George
    Hello I'm trying to set attributes for a viewcontroller nested inside a NSMutableArray, for example I have 3 ViewController inside this array: FirstViewController *firstViewController = [FirstViewController alloc]; SecondViewController *secondViewController = [SecondViewController alloc]; ThirdViewController *thirdViewController = [ThirdViewController alloc]; NSMutableArray *viewControllerClasses = [[NSMutableArray alloc] initWithObjects: firstViewController, secondViewController, thirdViewController, nil]; for (int x=0; x<[viewControllerClasses count]; x++) { // as an example to set managedObjectContext I otherwise would set firstViewController.managedObjectContext = context; [viewControllerClasses objectAtIndex:x].managedObjectContext = context; } But this results in an error: Request for member "managedObjectContext" in something not a structure or union. Shouldn't be "firstViewController" be the same as [viewControllerClasses objectAtIndex:0]?

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  • UITextView like iPhone Notes application

    - by Mark
    I am trying to recreate the Notes application. So far I got the following: textView = [[UITextView alloc] initWithFrame:CGRectMake(25.0, 30.0, 295.0, 214.0)]; textView.delegate = self; textView.backgroundColor = [UIColor clearColor]; textView.font = [UIFont fontWithName:@"MarkerFelt-Thin" size:19.0]; [self.view addSubview:textView]; The thing I dont know is how they were able to put the date on top like a header (it is within the UIScrollView that is obvious). Also under every text there is a line where did that came from. Does someone have an idea or a sample project I can take a look at?

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  • iphone: mechanical drawing & layers

    - by d_CFO
    I need to do a bit of mechanical drawing. I can (1) display the part’s image, [self.view addSubview:thePartAsImageView]; (2) implement two sliders (one horizontal for part’s width and one vertical for part’s height), heightSlider.transform = CGAffineTransformRotate(heightSlider.transform, 270.0/180*M_PI); (3) display the corresponding values (dimensions) as the user moves the sliders, and even (4) draw the dimensioning lines with arrowheads: CGContextAddLineToPoint What I can’t do is (5) remove those lines after I’ve drawn them. What I want is “if userTouchedTheHorizontalControl then eraseTheLinesForTheVerticalControl.” If I understand correctly – first, that Quartz composites everything to a single layer, and second, that CALayer, GeekGameBoard and so on only work on Mac -- then I have to do something different. But isn’t there something I can do other than switch to Open GL?

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  • iPhone app quits on launch

    - by Brammie
    I created an app using the 3.1.2 toolchain on linux.. it compiles and links normally, and in the makefile i upload my app (something) like this: @scp ./blabla [email protected]/Applications/Helloworld.app/ @ssh [email protected] "cd /Applications/Helloworld.app; ldid -S Helloworld_; killall; springBoard" when i launch my app it immediatly quits. according to google ldid failed, so i tried to do it manually. ldid did give an error, but after rebooting the error was fixed. The app still doesn't launch. the weird part of my problem is that an example i had DID work, but doesn't work anymore now. (p.s. i built the toolchain by following this guide)

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