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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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  • Why this kind of release doesn't work?

    - by parkyprg
    Hello, I have a newbie question about the following: - (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section { NSArray *anArray; anArray = [dictionary objectForKey: [NSString stringWithFormat:@"%d", section]]; //here dictionary is of type NSDictionary, initialized in another place. AnObject *obj = [[AnObject alloc] init]; obj = [anArray objectAtIndex:0]; [anArray release]; return obj.title; } If I run it as it is I will get an error. If I don't put [anArray release] it works just fine. I don't quite understand why is this happening? Thanks.

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  • Easy way to build an in-app demo like they do in Convertbot?

    - by mystify
    I want to make a little in-app demo like Tapbots does in Convertbot. Maybe there is a better solution than mine? make everything programmatically controlable write a huge class with hundreds of performSelector:withObject:afterDelay: calls to control the whole app for the demo The demo actually only does two things: Simulate touches on controls (i.e. programmatically pressing buttons) Show text message bubbles when appropriate to explain what is going on How would you do it?

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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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  • 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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  • Custom view in popupview controller

    - by amok
    Hello there - I create a new project using splitview template (iPad). So far so good. What I am trying to accomplish now it have my own view (which in a NIB) in popupview controller. By default the template provides the table which I don't want to use. How can I do that?

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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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  • 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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  • UITableViewCell get nil

    - by MTA
    I create a UITableView with custom UITableViewCell,this is how i create the cell in cellForRowAtIndexPath: static NSString *CellIdentifier = @"SongsCell"; SongsCell *cell = (SongsCell*)[tableView dequeueReusableCellWithIdentifier:CellIdentifier]; if (cell == nil){ UIViewController *vc = [[[UIViewController alloc] initWithNibName:@"SongsCell" bundle:nil] autorelease]; cell = (SongsCell *) vc.view; } now i want to get all cells in the table info (parameter from cell) when a button pressed: for (int i = 0; i < [songTable numberOfRowsInSection:0]; i++) { NSIndexPath *indexPath = [NSIndexPath indexPathForRow:i inSection:0]; UITableViewCell *cell = [songTable cellForRowAtIndexPath:indexPath]; } Now i have a problem that this loop give me for cell a nil for all the cell that currently not seen in the table.

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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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  • 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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  • 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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  • 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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  • 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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  • 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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  • 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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  • 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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  • 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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