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Is there a way that I can make a program like GLPaint using CGContext?
like below fixes the issue You can very simply use an image behind the painting canvas. 4 basic steps load your image in a texture (for example 256x256) enable TEXTURE_2D mode and set the current texture to the texture id you loaded. draw a rectangle
TAG :iphone
Date : October 19 2020, 11:12 PM , By : Nitin Sharma
iPhone SDK - How to scroll a UITableView programmatically with animation?
wish of those help How would I scroll a UITableView to a specific position with an animation? , It works fine for me:
TAG :iphone
Date : October 19 2020, 11:12 PM , By : Tarso Virgilio
Can the iPhone render vector graphics files directly? What formats are supported?
I hope this helps . One can render PDF images natively, and create them as well, with Core Graphics. Something like this:
TAG :iphone
Date : October 19 2020, 11:12 PM , By : user3850492
Is it possible to be notified when a UITableView finishes scrolling?
will help you Just in case someone is still chasing this one, the Apple docs say the following under the scrollToRowAtIndexPath:atScrollPosition:animated: documentation:
TAG :iphone
Date : October 19 2020, 11:12 PM , By : user3850459
iPhone Horizontal NavBar Height?
this one helps. You shouldn't rely on hard coded values when dealing with UI sizing. Especially now that the [large-iPod-type-device] is on it's way.You can get the height of the bar by querying its frame.
TAG :iphone
Date : October 19 2020, 11:12 PM , By : DougL
UINavigationController setViewControllers makes application crash
To fix the issue you can do I think it would be worth running it through Instruments in Zombies mode. This is almost certainly a memory issue, with something accessing an object that's already released.
TAG :iphone
Date : October 19 2020, 11:12 PM , By : npicdt
How can I handle control resizing when rotating screen
To fix the issue you can do Sure. Assuming you're using a UIViewController—which you definitely should be—you just need to implement the -willAnimateRotationToInterfaceOrientation:duration: method. Re-configure your views in an animation block in tha
TAG :iphone
Date : October 19 2020, 11:12 PM , By : torimeyer
iPhone performance optimization best practices
With these it helps To optimize the memory usage, avoid using auto-released objects. If you don't need an object anymore, release it explicitly, so the memory will be reclaimed immediately. Otherwise, the object will stay in the pool for an unknown t
TAG :iphone
Date : October 19 2020, 11:12 PM , By : user3850403
HOWTO remove device tokens received by Apple APNS feedback
I think the issue was by ths following , The timestamp is the crucial element here. The timestamp sent by Apple indicates the last time the push service attempted to deliver a message to the device and found the app to be uninstalled. If the device h
TAG :iphone
Date : October 19 2020, 11:12 AM , By : user3850724
Notification after an address book contact gets updated/modified in iOS
it fixes the issue Use ABAddressBookRegisterExternalChangeCallback to listen to updates in the Address Book.
TAG :iphone
Date : October 19 2020, 11:12 AM , By : Martin Sanchez
How to determine the frequency of the input recorded voice in iphone?
I wish did fix the issue. In the context of processing human speech, there's really no such thing as "the" frequency. The signal will be a mix of many different frequencies, so it might be more fruitful to think in terms of a spectrum, rather than a
TAG :iphone
Date : October 19 2020, 11:12 AM , By : SaiDev
How to calculate the G-Force value of a moving car using iPhone accelerometer values
This might help you Have your class (ViewController, or whatever) implement the UIAccelerometerDelegate protocol. Then
TAG :iphone
Date : October 19 2020, 11:12 AM , By : megaman14
Find IP address in iphone
it fixes the issue I want to find IP address in an application. I am able to find it. But, problem is, it works fins in iphone os 2.0 or so. But, in iphone os 3.0 it is giving me a warning:
TAG :iphone
Date : October 19 2020, 11:12 AM , By : user31391
Reddit Browser Buttons iPhone App
I wish this help you The rightBarButtonItem can contain any view as long as you wrap it in a UIBarButtonItem.For a "multiple button", do you mean a UISegmentControl?
TAG :iphone
Date : October 19 2020, 11:12 AM , By : goku51
iphone navigationController autoloading to three level
Does that help Instead of calling pushViewController in the viewDidLoad methods, try setting the viewControllers array in the applicationDidFinishLaunching method:
TAG :iphone
Date : October 19 2020, 11:12 AM , By : Eduardo Bruno Marque
A better UIAlert dialog
may help you . If you want a truly custom UIAlertView replacement, I created a UIView subclass with the style if a UIAlertView as a demonstration of Quartz drawing, for which the source code can be found here. The only thing missing is the custom but
TAG :iphone
Date : October 18 2020, 11:12 PM , By : Carlos Jimenez
Xcode and the iPad simulator
This might help you On the iPhone simulator, at least, homegrown apps usually get installed on the second page of the home screen, which makes it look like none of the built-in apps are there. Try swiping back to the first page of the home screen.
TAG :iphone
Date : October 18 2020, 11:12 PM , By : user3850777
TabBarController delegate is not working
around this issue If what you're doing is subclassing a UITabBarController, then... oddly enough... you can get it working by setting itself as a delegate:
TAG :iphone
Date : October 18 2020, 11:12 AM , By : gcoulson
Audio/video Programming
like below fixes the issue Register for the regular (not iPad/iPhone) OS X developer program at developer.apple.com, download and install XCode tools, and then start reading the documentation for the CoreAudio and Quicktime APIs. You will quickly gai
TAG :iphone
Date : October 18 2020, 11:12 AM , By : user3851014
@selector key word in iPhone programming
hope this fix your issue -(void)displayNameBy:(NSString*)name{ , Have an intermediate method. like:
TAG :iphone
Date : October 18 2020, 11:12 AM , By : user3850988
Objective-C iPhone App EXC_BREAKPOINT (SIGTRAP)
should help you out I've gotten this error too and fixed it. This person is running OS3 most likely and you are using a code block from OS4 you need to set a weak link on the library so that it can properly load. in your build settings for LLVM -weak
TAG :iphone
Date : October 18 2020, 11:12 AM , By : Stevan77
Smaller active area for custom UIBarButtonItem
this one helps. I noticed this weirdness too. I found that using a container UIView fixes this. For example:
TAG :iphone
Date : October 18 2020, 11:12 AM , By : user3850947
How do I scroll a set of UIScrollViews together?
help you fix your problem Ok, got it working. for the tips Ricki!2 things to add to Ricki's solution, if you want to avoid an infinite loop, you have to check to see whether the scrollView's tracking or dragged properties are set. This will insure th
TAG :iphone
Date : October 18 2020, 11:12 AM , By : Elżbieta Surówka
Can Hacker Get My Code through Ad-Hoc Files?
this will help In theory, they could de-compile your code. But the reality is that de-compiled code is not very useful, and I'm not even sure there are any decompilers at the moment.
TAG :iphone
Date : October 17 2020, 11:12 PM , By : user3851217
UISearchBar: Changing the appearance - Shape, Background, Overlay an Image
hop of those help? Upon some investigating of possibilites to customize the search bar, I'm inclined to say this is a custom component that has nothing to do with UISearchBar, but instead recreates its functionality.
TAG :iphone
Date : October 17 2020, 11:12 PM , By : Thiago Santos
UITableViewCell indentation not in edit mode
like below fixes the issue I can't access imgur.com right now so this is my best guess.I guess you add all subviews to cell.view instead of cell.contentView. You should try adding them to cell.contentView.
TAG :iphone
Date : October 17 2020, 11:12 AM , By : user3851314
iphone simulator picks up deleted resources from xcode
should help you out You need to 'clean' the build to move these artefacts. Go to 'Build' and 'Clean' to remove them.Alternatively you can blat projects from ~/Library/Application Support/iPhone Simulator/sdk_version/Applications
TAG :iphone
Date : October 16 2020, 11:12 PM , By : Rayler Teh
how to download ipad sdk
help you fix your problem To move from 10.5.x to 10.6.x you have to buy Snow Leopard.http://store.apple.com/us/product/MC223?mco=MTAyNTQ0NDI
TAG :iphone
Date : October 16 2020, 11:12 PM , By : G.Song
sent to deallocated instance
around this issue I had similar issue; turns out I was not retaining a UIButton properly. How I found the cause: - Enable zombies - Run the project with 'Allocations' instrument - Use the app to trigger the bug - Check that Instruments show message '
TAG :iphone
Date : October 16 2020, 11:12 PM , By : Mandi Moyd Bishop
Core Data - Decimal Type for Currency
it should still fix some issue Use "Decimal" as the attribute type in your data model and NSDecimalNumber as the object type in your code.
TAG :iphone
Date : October 16 2020, 11:12 PM , By : user3851402
iPhone core data problem : referenceData64 only defined for abstract class
hope this fix your issue I had the same problem with core data and multithreading operations. Read this article for understanding of the problem.In the working thread I began to use the functions lock, unlock for NSManagedObjectContext and crash not
TAG :iphone
Date : October 16 2020, 11:12 PM , By : Muhammad Tanveer
Convert from NSString to NSDate (even if you don't know the NSString format)
I hope this helps you . Do you know all of the possible formats? You could always try creating an NSDateFormatter for each one, then trying a string until a valid date is returned. That's pretty kludgy, but might be better than nothing.
TAG :iphone
Date : October 16 2020, 11:12 PM , By : Ellyas Netto
Error while compiling the Xcode project (IPhone)
This might help you This problem exists in iPhone OS 3.1 or later while building in Xcode. Try re-arringing the link order of the libraries in your target's link library phase. I have discussed this issue in: http://www.galloway.me.uk/2009/12/ldr-12-
TAG :iphone
Date : October 16 2020, 11:12 AM , By : user3851616
iPhone: How to Write an Image to Disk in the App Directories
will help you You shouldn't have a hard coded path to the simulator directories. That will fail on the device or when the simulator resets. Neither should you save user data anywhere but the app's Document folder.Instead use:
TAG :iphone
Date : October 16 2020, 11:12 AM , By : David Mendoza
Iphone App Crashes - But sometime works(50%-50%)
Hope this helps I am using following code for showing a next view(tableview) in Iphone app. , You should not be doing this:
TAG :iphone
Date : October 16 2020, 11:12 AM , By : Timon
UIScrollView within UIScrollView
I wish this help you If you set your UIScrollViews to only be scrollable in one axis or the other (ie, set their contentSize property appropriately for this. To have a view only be scrollable vertically, set its contentSize.width value to be the same
TAG :iphone
Date : October 15 2020, 11:12 PM , By : user3851780
How to know, how much I scrolled in a UIScrollview?
should help you out UIScrollViewDelegate's - (void)scrollViewDidScroll:(UIScrollView *)scrollView combined with [scrollView contentOffset] and [scrollView setContentOffset:] should handle what you've described.Please edit and sample code for what you
TAG :iphone
Date : October 15 2020, 11:12 PM , By : user3851752
iPhone Stock/Ticker Search
wish of those help You can use the Yahoo Finance Web Service to get quotes, maybe it's not the way that Bloomberg does it, but it works. You can request this information using NSURLRequest but the data comes back in comma separated values, so you wil
TAG :iphone
Date : October 15 2020, 11:12 PM , By : user3851725
What Operations are not supported in Sqlite Database?
this will help http://www.sqlite.org/omitted.html
TAG :iphone
Date : October 15 2020, 11:12 PM , By : user3851685
UIWebView to Play Local and downloaded Video
this one helps. I want to play downloaded video using UIWebview. I get webkiterrordomain code=204 error. but if i play video from resources folder it run perfect. //from resources folder run perfect , Solution is here, you can play video in Embedded
TAG :iphone
Date : October 15 2020, 11:12 AM , By : user3851951
set interface orientation on iPhone private API
I hope this helps you . [[UIDevice currentDevice] setOrientation:UIInterfaceOrientation] is a private API, you can find that is signature is only in read-only (see here). If you want set the device orientation to Portrait or other mode you should ove
TAG :iphone
Date : October 15 2020, 11:12 AM , By : Ankit Jaiswal
How do I Assign a Name to a Photo Saved in the Photo Library?
help you fix your problem The photos in the photo library does not contain any names. And you can't create a folder in the photo library either. If you really need a name to the photos, put it inside ~/Documents and implement your own chooser.
TAG :iphone
Date : October 15 2020, 11:12 AM , By : Ismail M Nur
How can I get a uitableViewCell by indexPath?
seems to work fine How can I get a UITableViewCell by indexPath? Like this:
TAG :iphone
Date : October 15 2020, 11:12 AM , By : user3851840
UIScrollView zoomToRect not zooming to given rect (created from UITouch CGPoint)
I wish this helpful for you Ok another answer:The apple supplied routine works for me, but you need to have the gesture recognizer convert the tap point to the imageView coords - not to the scroller.
TAG :iphone
Date : October 15 2020, 11:12 AM , By : e-onux
how to release presentModalViewController from stack Memory in iphone?
I hope this helps you . Stack overflow has nothing to do with memory leakage, and you're not storing frmImage on the stack. ObjC can't store objects on the stack. It only stores pointers on the stack; objects themselves are always stored on the heap
TAG :iphone
Date : October 15 2020, 01:20 AM , By : user3852030
Explain the use of below function with meaning in iphone
it should still fix some issue Have you looked at the iPhone Developer Documentation for UIViewController? It explains it well I think.
TAG :iphone
Date : October 15 2020, 01:20 AM , By : tudor
iPhone Simulator vs iPhone OS testing: file is not of required architecture
I wish this help you I too have same problem, I've resolved it by adding CoreLocation.framework inside the Frameworks folder.
TAG :iphone
Date : October 15 2020, 01:20 AM , By : user3852015
How To Serve High Quality Youtube Videos On iPhone Over 3G Connection?
wish helps you Just use Youtube's mobile homepage m.youtube.com. It automatically selects HQ if it's available, even over 3G. Comparing the two is quite something.
TAG :iphone
Date : October 15 2020, 01:20 AM , By : Nazmur Rashid Noor
Howto switch between UIViewControllers without using a tab bar?
will help you You probably want to looking at a UISegmentView which will give you a few buttons that you can use to alter view contents.Another option would be using the Info button with a nice flip transition between the views.
TAG :iphone
Date : October 15 2020, 01:20 AM , By : Holger Hees
Best practice for PNG optimization?
I wish did fix the issue. I suggest using ImageAlpha (lossy) on as many images as you can, because it greatly reduces their size.Optimize all images with ImageOptim — it will remove all invisible junk and re-compress the data.
TAG :iphone
Date : October 15 2020, 01:20 AM , By : user3851989
Re-Apply currency formatting to a UITextField on a change event
it helps some times I've been working on this issue and I think I figured out a nice, clean solution. I'll show you how to appropriately update the textfield on user input, but you'll have to figure out the localization yourself, that part should be
TAG :iphone
Date : October 15 2020, 01:20 AM , By : user3852081
Designing Ichat balloon interface
should help you out I am trying for chat balloon kind of interface on iphone, I am able to draw a rounded rect thing and also am able to draw the gradients. But not getting how to achieve gradient drawing in rounded rect.I'll be thankful for any help
TAG :iphone
Date : October 15 2020, 01:20 AM , By : user3852103
UISlider track image that doesn't stretch
I think the issue was by ths following , You can use this to make the background of the UIslider custom ,make the UIslider as an IBoutlet
TAG :iphone
Date : October 15 2020, 01:19 AM , By : Darren Lawson
Leveraging Core Animation for Animation in OpenGL
will be helpful for those in need I suspect what you really want are just the easing functions used by core animation. These are easy enough to find with a little googling. Here's one example:
TAG :iphone
Date : October 15 2020, 01:19 AM , By : user3852196
APNS - Getting device token
will be helpful for those in need Once, you must know that remote notifications doesn't work on simulator.Regards
TAG :iphone
Date : October 15 2020, 01:19 AM , By : user3852317
Set device volume on iPhone
I think the issue was by ths following , The comment from the anonymous for this site:
TAG :iphone
Date : October 15 2020, 01:19 AM , By : yasondinalt
Core Data managed object context thread synchronisation
I think the issue was by ths following , If you save the background context on the background thread and then listen for NSManagedObjectContextObjectsDidChangeNotification on the main thread you can call -mergeChangesFromContextDidSaveNotification: o
TAG :iphone
Date : October 14 2020, 11:12 PM , By : user3852624
UIImageView EXC_BAD_ACCESS
this one helps. [UIImage imagedNamed:...] returns a autorelease object. So, if you release too you have to retain explicitly:
TAG :iphone
Date : October 14 2020, 11:12 PM , By : user3852618
How to disable UIWebview horizontal scrolling?
I wish did fix the issue. I've tried disabling it by inserting: , My version, a common solution:
TAG :iphone
Date : October 14 2020, 11:12 PM , By : user3852576
How can i get parts of a String in Objective-C?
this one helps. i would like to fetch a part of a string in objective C: a sampletext: This is the story of a startnew mountainend. There were many bluestart green houses end......... , I think what you want is something like this.
TAG :iphone
Date : October 14 2020, 11:12 PM , By : user3852561

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