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  • WebView load javascript on the fly

    - by ADAM
    I have the following code which loads and html file into a webview - (void)awakeFromNib{ NSString *resourcesPath = [[NSBundle mainBundle] resourcePath]; NSString *htmlPath = [resourcesPath stringByAppendingString:@"/main.html"]; [[self mainFrame] loadRequest:[NSURLRequest requestWithURL:[NSURL fileURLWithPath:htmlPath]]]; } How would i dynamically load a css file (in the most efficient manner) as it does not suit to have the css file link in the html file

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  • Highlight table view cells when user drags across rows

    - by chronos
    I have a grouped table view that does not need to scroll. I'd like each cell to highlight as the user moves their finger down the screen and call didSelectRowAtIndexPath on release. This behaviour can be seen done by apple in 'settings mail add account'? I can't seem to replicate it myself, all I can get is the default, where the cell deselects as soon as the user moves their finger.

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  • Thread 0 crashed with X86 Thread State (32-bit): in cocoa Application

    - by John
    I am doing crash fixing in an osx application .The crash report shows Date/Time: 2012-05-01 16:05:58.004 +0200 OS Version: Mac OS X 10.5.8 (9L31a) Exception Type: EXC_BAD_ACCESS (SIGSEGV) Exception Codes: KERN_INVALID_ADDRESS at 0x00000000545f5f00 Crashed Thread: 8 Thread 8 crashed with X86 Thread State (32-bit): eax: 0x140e0850 ebx: 0x00060fc8 ecx: 0x92df0ec0 edx: 0xc0000003 edi: 0x545f5f00 esi: 0x140e0870 ebp: 0xb0445988 esp: 0xb0445964 ss: 0x0000001f efl: 0x00010206 eip: 0x92dca68c cs: 0x00000017 ds: 0x0000001f es: 0x0000001f fs: 0x0000001f gs: 0x00000037 cr2: 0x545f5f00 How to tares the application code with this report? what is Thread 0 crashed with X86 Thread State (32-bit)? if anybody know please help me. Thanks in advance.

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  • Rendering CALayer in context uses large amounts of memory

    - by Otium
    I am taking a snapshot of a UIWebView layer, but when I render the webview's layer in the current context my app uses 10mb more memory, and I don't think that should be right. Here is my current code: CGSize imageSize = self.bounds.size; UIGraphicsBeginImageContextWithOptions(imageSize, YES, 0); CGContextRef context = UIGraphicsGetCurrentContext(); [self.layer renderInContext:context]; _snapshot = UIGraphicsGetImageFromCurrentImageContext(); UIGraphicsEndImageContext();

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  • Can we use (id) in if- else condition ?

    - by srikanth rongali
    I have written my code in following way in cocos2d. id actionTo = [CCFadeOut actionWithDuration:4.0f]; id actionTo0 = [CCSequence actionWithDuration:2.0f]; if (m < enemyNumber) id actionTo1 = [CCCallFunc actionWithTarget:self selector:@selector(goToNextScene)]; else id actionTo1 = [CCCallFunc actionWithTarget:self selector:@selector(goToEndScene)]; id actionSeq = [CCSequence actions:actionTo, actionTo0, actionTo1, nil]; [targetE runAction: [CCSequence actions:actionSeq, nil]]; error: expected expression before 'id' I am getting the above error. Should not we use (id) in if condition ? I want to get called two selectors by using the if- else condition. How can I make it ? Thank You.

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  • Starting a SKProductsRequest gives -[_NSCFArray length] invalid selector error a moment later. LoadMicroPaymentsProductsOperation error.

    - by quantumpotato
    I'm fetching a list of identifiers from my server, then passing them off in a products request to Apple. Here's my code, and below is the error I'm getting. The iPhone 4 is not crashing when this happens. -(void)didReceiveData:(NSArray *)data { NSLog(@"Received Identifiers: %@",data); NSSet *productIdentifiers = [NSSet setWithArray:data]; SKProductsRequest *productsRequest = [[SKProductsRequest alloc] initWithProductIdentifiers:productIdentifiers]; productsRequest.delegate = self; [productsRequest start]; NSLog(@"productsRequest should have started by now"); } Wed Dec 29 09:42:14 iPhone XXXX-iphone[6363] <Warning>: Received Identifiers: ( ( 1, 10, "com.XXXX.XXXX.10" ) ) Wed Dec 29 09:42:14 iPhone XXXX-iphone[6363] <Warning>: productsRequest should have started by now Wed Dec 29 09:42:18 iPhone itunesstored[6367] : -[__NSCFArray length]: unrecognized selector sent to instance 0x119070 Wed Dec 29 09:42:18 iPhone itunesstored[6367] : caught -[__NSCFArray length]: unrecognized selector sent to instance 0x119070 exception with stack trace: (0x33ac0975 0x3347b49d 0x33ac2133 0x33a69aa9 0x33a69860 0x2717b 0x27515 0x31469651 0x314693ed 0x31469e39 0x3362795f 0x336276c3 0x3363c4eb 0x33c32680 0x33c32ba0 0x33bd7251 0x33bcf978)

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  • Portrait vs Landscape Launch Images

    - by andrewx
    An iPad app can support inclusion of launch images in both orientations; presumably, if your app supports auto-rotation, then this would suggest to me that if the user launches an app while the device is in Landscape mode, then the Landscape launch image is used. But in all the apps I've built and released, this has never been the case. Never once has the Landscape launch image appeared, only the Portrait. After loading, the app will auto-rotate to whatever orientation the device is in, but at launch, it assumes you are in Portrait. Always. Why? I have seen many other apps in the store that behave this way, but then there are some seem to always automatically know immediately at first launch, from that first launch image, that you are in Landscape, if that's the case. How is this done?

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  • Incorrect rotation of a view controller in iOS 6

    - by XenElement
    In my app I've been using the now deprecated shouldAutoRotateToFace method. Now when using the iOS 6 simulator, all of my subviews are rotated to portrait orientation while the device is in landscape. Does anyone have any idea what could cause this? I've already tried replacing should autorotate in my main view controller with the supportedOrientations method (or whatever it is that you're now supposed to use instead).

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  • Encoding Video on the iPhone

    - by Dave
    Im trying to record the contents of the iPhone screen to video , in the app I'm working on there able to create a little animation. I'm just not sure how to encode the screen contents/animation to video? The problem with using something like ffmpeg is that its LGPL which can lead to licensing issues, is there a better option?

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  • Iphone SDK- How to insert a banner in my app

    - by Dave
    I have a tableview that my app shows when it loads, I would like to somehow put a banner at the bottom that if connceted to the internet will check my server for any new image files and if there are it will replace the current one and if not it will just leave it. That way I can constantly display messages to my users - sort of like in Doodle Jump. How could I achieve this? Thanks

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  • Unsure how i load the right data into a tableview, chosen from a previous tableview.

    - by Bob
    I currently have two TableViewControllers. The first has seven objects, each day-name listed. Weekdays *mandag = [[Weekdays alloc] initWithName:@"Mandag" daylist:mondayArray]; Weekdays *tirsdag = [[Weekdays alloc] initWithName:@"Tirsdag" daylist:tuesdayArray]; Weekdays *onsdag = [[Weekdays alloc] initWithName:@"Onsdag" daylist:wedensdayArray]; Weekdays *torsdag = [[Weekdays alloc] initWithName:@"Torsdag" daylist:thursdayArray]; Weekdays *fredag = [[Weekdays alloc] initWithName:@"Fredag" daylist:fridayArray]; Weekdays *lordag = [[Weekdays alloc] initWithName:@"Lørdag" daylist:saturdayArray]; Weekdays *sondag = [[Weekdays alloc] initWithName:@"Søndag" daylist:sundayArray]; daylist being a NSMutableArray. The idea is: The name of the day is displayed on table-1. And the array (daylist) of each day is displayed on table-2 - when tabbed one a day. The first table, displaying the names is working fine: VisueltSkemaAppDelegate *appDelegate = (VisueltSkemaAppDelegate *)[[UIApplication sharedApplication] delegate]; Weekdays *ugeDag = (Weekdays *)[appDelegate.ugeDage objectAtIndex:indexPath.row]; cell.textLabel.text = ugeDag.name; return cell; However i thought i could do the same, for the second table - but i have been strugling with it for hours now. This is what i got: VisueltSkemaAppDelegate *appDelegate = (VisueltSkemaAppDelegate *)[[UIApplication sharedApplication] delegate]; Weekdays *ugeDag = (Weekdays *)[appDelegate.ugeDage objectAtIndex:indexPath.row]; cell.textLabel.text = [ugeDag.daylist objectAtIndex:indexPath.row]; return cell; Abit more of the code: http://pastebin.com/iW5AAJXt

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  • Download files with NSURL

    - by Ishwar
    I am trying to download a list of files from a ftp server using: NSURL *ftpUrl = [NSURL URLWithString:@"ftp://xxx:[email protected]"]; I HAVE to use FTP, so please do not recommend an alternative. I want to know how to get the list of files from the root directory and also navigate inside folders (of FTP server). P.S: I do not think external library would be required to accomplish such an easy task, but if I must, any recommendations would be appreciated. Thank You :)

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  • Can I just release the top object (iPhone)?

    - by yar
    If I release the object that's holding a reference to the variable that I need to release, is that sufficient? Or must I release at every level of the containment hierarchy? I fear that my logic comes from working with a garbage collector for too long. For instance, I assigned to this property of a UIPickerView instance by hand instead of using IB @property(nonatomic, assign) id<UIPickerViewDelegate> delegate Since it's an assign property, I can't just release the reference after I assign it. When I finally release my UIPickerView instance, do I need to do this: [singlePicker.delegate release]; [singlePicker release]; or is the second line sufficient? Also: Are these assign properties the norm, or is that mostly for Interface Builder? I thought that retain properties were the normal thing to expect.

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  • How do you know how much space an NSString (using default font) will occupy on a UITableView section

    - by paul_sns
    Basically I want to copy the behavior in iPhone's Calendar where the day of week (Mon, Tue, Wed) is on the left side of the table's section header (left justified) while the formatted date (Apr 1, 2010, May 1, 2010) based on locale is on the right side of the table's section header (right justified). I was thinking of inserting a variable amount of space in between the day of week and formatted date but I first need to know the actual space consumed by the text on both sides to figure out how much space to add. Hope to hear your thoughts on this. Thanks.

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  • UIView animation cancels previous animation?

    - by user281300
    Hi I have an NSTIMER that counts the time, and on t = 10, it fires an animation but during that time it might happen that another animation is running. This causes the previously running animation to cut off. Any idea? i thought UIVIEW animations were ran in diff threads. I cannot use a willstop selector here since t = 10 might happen while another animation is running and might not have ended yet.

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  • Remove Substring from NSstring

    - by user3037815
    I see so many solution , but none of them was matching my problem . As i am new to iOS development . I have a String abc/_api/web/GetFolderByServerRelativeUrl('Documents/Root Folder/Level 1/Level 2/Level 1-1/Level 1/')/folders. I want to remove Remove Substring after last "/" for example my new string should look like this. abc/_api/web/GetFolderByServerRelativeUrl('Documents/Root Folder/Level 1/Level 2/Level 1-1/Level 1/) Can someone suggest me the best way to achieve this , thanks ,

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  • Creating NSApp inside another nsviewcontroller

    - by DesperateLearner
    I have opened my mac app in a new nsviewcontroller - (void)applicationDidFinishLaunching:(NSNotification *)aNotification { self.masterViewController = [[MasterViewController alloc] initWithNibName:@"MasterViewController" bundle:nil]; [self.window.contentView addSubview:self.masterViewController.view]; self.masterViewController.view.frame = ((NSView*)self.window.contentView).bounds; } Masterviewcontroller has a customized view in the .xib file. When I need to create an NSApp sheet in this NSViewController for another, I'm calling [NSApp beginSheet:_newDataWindow modalForWindow:window modalDelegate:self didEndSelector:nil contextInfo:nil]; I have to use 'window' for beginSheetModalForWindow. But how do I call it from another NSViewController. I end up with compilation error.

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