Tagged Questions

iOS is Apple's operating system for mobile devices, such as the iPhone, iPod touch, iPad and Apple TV (2nd generation) devices. It shares a lot with Mac OS X, but is optimized for touch-based interfaces.

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7 views

UITextField - max character length with emoji

Currently I'm using this approach - (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string { NSUInteger newLength = ...
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0answers
11 views

AutoLayout and Storyboard

I want to use Storyboard in my app but I also want to do any AutoLayouts programatically. I've disabled AutoLayout on the storyboard and added them in code. However, when the view loads it look like ...
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2answers
12 views

IOS: UINavigationController and single controller

Which elements are used in Setting iPhone/iPad inside for examples General: About/Software Update etc....space...Cellular/VPN/... Are the different UITableView or UIButton? Thank you
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2answers
19 views

setNeedsDisplay has not been called

I draw an sine wave on an UIView by using drawrect and it is linked to an UIViewController. It can draw one time when i first load the viewcontroller. I want that when I change the value of a ...
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1answer
16 views

Applying gradient to UIImage - how to remove color invertion?

I'm applying gradient to UIImage, all i want it to be dark on the bottom and slowly turn to clear or light gray in the middle. It is mostly ok, but i have a problem that my image colors invert in some ...
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1answer
31 views

Minimum IOS supported by Iphone4 [closed]

Which minimum version of IOS is supported by iPhone4? Does iPhone 4 support IOS 4.0 or IOS 4.3?
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2answers
21 views

Which is better get files - FTP or HTTP in iOS code?

I have to pull set of images from FTP. I have tried same thing with a tomcat server by just giving the image's server url, it looks fast and good. To make a study on FTP file pulling from FTP server ...
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0answers
9 views

UISearchDisplayController/NSFetchedResultsController with custom sort order

I'm implementing a search feature in my app. I would like the user to look up a word simultaneously in multiple attributes of a given Entity. Here is an example for an Entity with 3 String ...
-1
votes
1answer
24 views

UIControlEventTouchUpInside latency

I have a button and with a control Event like : [_flashBackButton addTarget:self action:@selector(flashBackButtonCallback:) ...
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2answers
25 views

Delay UITableView from hiding UITableViewCells

My problem is that I have a UIContainerView that has a subView of UITableView. When a user presses a button this UIContainerView toggles opened/closed by animating its frame size. The issue I have is ...
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1answer
15 views

iOS sharing “An error has occurred. Please try again later.”

I am making publication via [FBWebDialogs presentFeedDialogModally...] It works fine. But if I delete application in the facebook settings and try make post again, I get login dialog within web ...
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1answer
21 views

iphone/ios - core data relationship concept

I have a concept problem and I hope you guys can help me! On my app the user and his contacts can create events and share it. here is my app model: On App start I create my Profile (User) and fill ...
-4
votes
0answers
27 views

iOS Custom TableViewCell not calling didSelectRowAtIndexPath on touch

I have a custom TableViewCell defined and established in a tableview the method didSelectRowAtIndexPath is not called when i press the cell, just call the method when i make the switch move in the ...
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votes
1answer
46 views

Change subview controller programmatically

I have a page-based application of 3 pages, on every page i have a UIView as a subview, this UIView is loaded from a UIViewController. On the last page, i have a UICollectionView containing different ...
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1answer
16 views

How to solve the error “Thread 1: SIGABRT error” while using Google Maps SDK for iOS in Xcode

I followed the steps which were mentioned at the link of Google Maps SDK for iOS - Getting started . Following are the files that I created AppDelegate.m #import "AppDelegate.h" #import ...

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