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  • Grouped table with image in first row (and section), the remaining ones having text with different l

    - by Structurer
    Hi I have a grouped table with two sections where I display text with different length and therefore cell height. I have solved the problem with the different length/height with constrainedToSize in cellForRowAtIndexPath. Now I want to add a section with one single row in which I want to show a picture. How should I best implement that? (still a bit of a beginner with the Objective C) I would guess that I would have to create an UIImageView and somehow link that to the cell, but my biggest concern is how do I do with the dequeueReusableCellWithIdentifier now that I will have two different type of cells? Appreciate any advice that will help me save time from trial and error!

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  • Popping a modal view from anywhere in code

    - by ConfusedNoob
    Is it possible to 'pop' a view from any point in an iOS application. For example, I want an event to trigger a view sliding in (modal) and the event can happen at any time, on any screen in the application. Also, we'd like this to be something that can be included in other projects and would prefer them not to have to do anything special to these projects (other than wire in the referenced project).

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  • deleteRowsAtIndexPaths- crahes application [closed]

    - by Tushar Chutani
    (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath { if (editingStyle == UITableViewCellEditingStyleDelete) { NSLog(@"delet it"); // Delete the row from the data source. [tableView deleteRowsAtIndexPaths:[NSArray arrayWithObject:indexPath] withRowAnimation:YES]; } else if (editingStyle == UITableViewCellEditingStyleInsert) { // Create a new instance of the appropriate class, insert it into the array, and add a new row to the table view. } } why is this crashing my application

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  • SDK 3.2 - Trigger video from UIScrollView Subview (Audio but no video)

    - by stalure
    I am having a hard time getting video to play in an application that I am working on and I think the answer has to do with the views and view controllers. I have the flow depicted below. When the button is clicked, the audio from the video is playing, but nothing is displayed on screen. Anyone have any ideas? -(IBAction) playMovie { Play Movie Code } ViewController UIScrollView UIView UIButton - (playMovie)

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  • Why Duplicate the “Release” configuration to "Disctribution"?

    - by Horace Ho
    On the Apple guide, there is a step before building the AppStore version: Open the Xcode project and Duplicate the “Release” configuration in the Configurations pane of the project's Info panel. Rename this new configuration “Distribution”. Why this step is needed? Can I skip this step and use the "Release" configuration to build the final version for AppStore?

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  • UIView viewWithTag 0 problem

    - by leon
    Hi, On view in IB I have numerous items (including view itself). ONLY one item has tag 0, yet following line works for ANY UITextBox other then the one with tag 0. Note that only ONE UITextBox has tag 0, why: (UITextField *) [self.view viewWithTag:0]).text = @"foo"; Interesting that when triggered event received for the element with tag 0, I can get value of Tag 0 with no problem. Is there a limitation to look for tag 0 elements?

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  • Change the width of the cell content

    - by user313439
    I want to change the width of the cell content. (see the pic) My code: CGSize contentViewSize = cell.contentView.bounds.size; contentViewSize.width = 20.0f; But there is no effect, what's wrong? Any suggestion will be appreciated, thanks.

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  • Processing a method after the view has loaded..

    - by Susanth
    Hi ! I have implemented a subview which is supposed to load immediately when I click a button in the parent view. After loading the subview(which is basically holding an activityindicator), the program is supposed to process a method(which gets data from a server, so takes time) in it. However, I am unable to do it. What happens now is, when I click the button on the parent view, it processes the method first and only after that does the subview load on screen. Why is this so? Is there any specific functions I could use to make my method load only after the view has loaded?

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  • How to make paging off of vertical direction in WWDC2010 photoScroller.

    - by user357383
    In WWDC2010 sample code "photoScroller", in landscape mode, I want to change image size to 480*751. But there is vertical paging in this mode. In this sample, zooming mode doesn't have vertical paging. So I want to same as this. Please teach me how to fix this sample code. I changed this code as follows. - (CGRect)frameForPagingScrollView { CGRect frame = CGRectMake(0, 0, 480, 751); frame.origin.x -= PADDING; frame.size.width += (2 * PADDING); return frame; } Thank you

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  • How to include a C array in -description

    - by bgw
    I'm trying to include the elements of an array in the NSString that's returned by the -description method in my class. No clue how to do this in Objective-C...in Java there's string concatenation or StringBuilder, what's the equivalent in Obj-C? TIA..

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  • Application frame leaves blank line at the top

    - by iFloh
    Any clues why my programmatically defined UIScrollView (using the application frame) always leaves an empty space at the top (below the navigationBar) of 20 pixels. How can I close that? UIScrollView *vScrollView = [[UIScrollView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]]; vScrollView.backgroundColor = [UIColor redColor]; How do I need to call the application frame size to avoid that gap?

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  • Xcode save image to camera roll

    - by user1470914
    I am new to Xcode (using 4.3) and am not sure how to save an image to the device's camera roll. All that I have done so far is an IBAction for the button to save the image (the button resides in the top right of the navigation bar. This tutorial (http://www.youtube.com/watch?v=sSdwjQUXA2Y) is EXACTLY what I would like to be able to do but the code is too blurry to read properly. Any help would be greatly appreciated.

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  • adding button to the navigation bar

    - by praseed
    hi friends, i have a problem while adding button to the navigation bar.. My application consist of two view controllers added to the viewControllers array of a tabBarController. Inturn this tabBarController is added to the viewControllers array of a navigationController. In one of the views i have a textfield for entering dates . On the tap of this textfield the datepicker will pop up. simultaneously i want to display a done button on the navigation bar. how can i do this... i tried using self.tabBarController.navigationController.navigationItem.rightBarButtonItem = self.doneButton; But this is not working... Pls help me out..

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  • How to add Image On 'more' Button of UITabBarController in iOS 6?

    - by iPatel
    I know That How to add UITabBarController and how it used, I already done it. My Problem is only that I am no able to add image on 'more' button of UITabBarController. I know There are may Question That Similar to my Question but no one can help me. After googling I found that we can't add images on 'More' button in UITabBarController Because more button is autometically displayed by UITabBarController when UITabBarItem more Then 5. I also find that how to change SELECTION COLOR AND TITLE OF 'more' Button But I can not find abut 'more' button Image. So may be i need to Custom UITabBarController so, I also searching for any Custom UITabBarController but also I can not find it. Please help me on this Issue.

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  • memory leaks in Instruments

    - by jj
    I'm getting lots of leaks in my code, but none of the leaks point to any of my code (they are all UIKit methods). I'm running 3.0. Could someone tell me how I go about figuring out where these leaks are coming from?

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  • previousFailureCount always stays on 0 (zero)

    - by itai alter
    Hello all, First of all, I'd like to thank the good people who helped me around on this site. Thanks. I'm trying to detect a failed authentication attempt in my app... I'm using the didReceiveAuthenticationChallenge method, and the checking if [challenge previousFailureCount] is equal to 0. The problem is that it's always stays on zero, even if the username and password that I send with the credentials are incorrect. I couldn't find any info about this kind of issue, any help will be much appreciated. 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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  • Difference between [object variable] and object.variable in Obj-C?

    - by John Smith
    I was working on a program today and hit this strange bug. I had a UIButton with an action assigned. The action was something like: -(void) someaction:(id) e { if ([e tag]==SOMETAG) { //dostuff } } What confuses me is that when I first wrote it, the if line was if (e.tag==SOMETAG) XCode refused to compile it, saying error: request for member 'tag' in 'e', which is of non-class type 'objc_object*' but I thought the two were equivalent. So under what circumstances are they not the same?

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  • Popovercontroller doesn't display full

    - by user2959234
    I have an UIPopovercontroller in with an content that generate from an viewcontroller. popOverController = [[UIPopoverController alloc]initWithPopUp:emLightPopUp]; popOverController.delegate = self; // Get device position. CGRect position = {parentButton.frame.origin,emLightPopUp.popUpView.frame.size}; CGSize popUpViewFrameSize = emLightPopUp.popUpView.frame.size; Link screenshot: http://i.stack.imgur.com/AxqoG.png The issue is that when I change the position of select devices (touched button) upwards, the displayed popup will be resized like the screenshot. I already try to set content size inside the subclass of uipopover but it still doesn't work: self.popoverContentSize = emLightPopUp.popUpView.frame.size; EDIT: I solved this problems by calculate the position that display the popup and scroll the scrollview inside into an upper position. Check out this code: -(void)moveDeviceOutMiddleScreen:(id)deviceButton { UIButton* button = (UIButton*)deviceButton; CGFloat yPositionRange = button.frame.origin.y - self.floorZoomScrollView.contentOffset.y; int middle_top_y = 70; int middle_bottom_y = 166; if (yPositionRange > middle_top_y && yPositionRange < middle_bottom_y) { CGRect newRect = CGRectMake(self.floorZoomScrollView.contentOffset.x, self.floorZoomScrollView.contentOffset.y +yPositionRange*0.6, self.floorZoomScrollView.frame.size.width, self.floorZoomScrollView.frame.size.height); [self.floorZoomScrollView scrollRectToVisible:newRect animated:NO]; } } Thanks for your responses.

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