cocoa-touch Questions
4
I'm trying to do the union between two MKCoordinateRegion. Does anybody have an idea on how to do this?
Ionosphere asked 21/7, 2011 at 12:5
3
While trying to debug my view hierarchy, I get the following error:
Error: Unable to capture view hierarchy.
Details: No plist data for fetching view hierarchy: error evaluating expression “(id...
Scopoline asked 22/2, 2017 at 2:23
4
Solved
The Apple URL Scheme Reference gives a nice overview of a number of URL schemes you can use to open certain built-in apps with some parameters.
I know that this is not a complete list of all possi...
Help asked 15/5, 2012 at 10:36
7
I have an UIImage and want to shift it's saturation about +10%. Are there standard methods or functions that can be used for this?
Pennant asked 17/7, 2009 at 17:48
3
I have an iOS application written in Swift 2 in Xcode 8.2.1, that's built for iOS 10.2.
I've had a number of crash reports from TestFlight and despite symbolication, none of the crash logs show an...
Committal asked 20/2, 2017 at 4:28
13
I try to change font color from white to black for UISegmentedControl (for iOS 4.*)
UISegmentedControl *button = [[[UISegmentedControl alloc] initWithItems:[NSArray arrayWithObjects:itemTitle, nil...
Ofelia asked 27/1, 2012 at 6:32
3
Solved
How can I read the data from the header sent by in the server response. I am using NSURLConnection to send the request.
Valorize asked 8/6, 2011 at 0:34
8
Solved
I am new to iPhone,
How do I have my UISlider go from 1 to 100 in increments of 1?
slider = [[UISlider alloc] init];
[slider addTarget:self action:@selector(sliderChange:) forControlEvents:UICont...
Quietly asked 11/10, 2012 at 7:14
6
In my iPhone app I am using the following code to find a file's size. Even though the file exists, I am seeing zero for the size.
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDire...
Perretta asked 21/4, 2011 at 12:8
3
Solved
How to detect in which app my custom keyboard used and show different button?
E.g. in Twitter I would add @ to string I post into input field and in Reddit /r/
Gavrilla asked 23/5, 2015 at 1:14
13
Solved
I am trying to convert an image into grayscale in the following way:
#define bytesPerPixel 4
#define bitsPerComponent 8
-(unsigned char*) getBytesForImage: (UIImage*)pImage
{
CGImageRef image = ...
Couching asked 19/8, 2009 at 9:55
18
How to use threading in swift?
dispatchOnMainThread:^{
NSLog(@"Block Executed On %s", dispatch_queue_get_label(dispatch_get_current_queue()));
}];
Spikes asked 5/6, 2014 at 9:16
17
Solved
I have a UILabel that displays some chars. Like "x", "y" or "rpm". How can I calculate the width of the text in the label (it does not ues the whole available space)? This is for automatic layoutin...
Terti asked 24/8, 2009 at 19:52
8
Solved
It takes roughly 3-4 seconds for the keyboard to pop up after I touch my UITextField. This only occurs on the first time the keyboard pops up since the app launched, afterwards the animation starts...
Faux asked 20/2, 2012 at 6:26
36
Solved
I’ve been working on an application for a couple of years and received a simple design request: Round the corners on a UIView and add a drop shadow.To do as given below.
I want a custom UIView... :...
Rotative asked 21/1, 2011 at 0:58
13
Solved
I have view with a UITapGestureRecognizer. So when I tap on the view another view appears above this view. This new view has three buttons. When I now press on one of these buttons I don't get the ...
Leakage asked 27/7, 2010 at 13:54
18
Solved
Could you guys help me to translate the following code into Swift?
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"itms://itunes.apple.com/de/app/x-gift/id839686104?mt=8&...
Extraterrestrial asked 17/9, 2014 at 5:30
11
Solved
I'm using a custom drawn UITableViewCell, including the same for the cell's accessoryView. My setup for the accessoryView happens by the way of something like this:
UIImage *accessoryImage = [UIIm...
Polly asked 15/5, 2009 at 15:40
5
I'm working on an app in which I load different html files with mostly dark backgrounds. Right now there's a small white flash when navigating from one page to another, presumably since the next pa...
Dictionary asked 26/12, 2014 at 10:35
4
Solved
Regardless on which controller type (UIViewController, UITableViewController), the following line always yields null in the ViewDidLoad method:
this.View.Window
Is this behavior normal, or am I ...
Seigneury asked 23/4, 2012 at 9:47
4
Solved
I know that this question must have been answered plenty of times already, but I have no idea why the touchesBegan: is not called in my UIView.
Before I added it in my app, I made a trial project ...
Autotoxin asked 10/7, 2012 at 11:14
33
Solved
I added a new nib file to my project, and tried to load it.
However, when I click on the toolbar icon that is supposed to take me to the view that I created, I get an NSInternalInconsistencyExcept...
Addi asked 21/1, 2011 at 20:35
8
Solved
I have an app which compiles and runs fine in older Macs with Intel processors in physical devices & iOS simulators.
The same app also compiles and runs fine from newer Apple Silicon Mac with M...
Fidellia asked 31/1, 2021 at 11:4
5
Solved
In a model UIViewController I have the following implementation of loadView (everything is created programmatically):
- (void)loadView {
// Add Basic View
UIView *myView = [[UIView alloc] initW...
Bough asked 24/1, 2011 at 18:31
7
Solved
It appears that userInteractionEnabled=NO on a parent view will prevent user interaction on all subviews. Is this correct? Is there any way around this?
Riplex asked 4/5, 2011 at 17:18
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