iphone

Does removeObject release the object in an NSMutableArray of objects?

I was wondering when you remove an object using removeObject in an array if that removed object is handled properly. Would the object being removed be released? ...

Something changed, now 5800 compiler errors from precompiled header

I apparently changed something in an iPhone Xcode project, and now when it precompiles the headers I'm getting In file included from [...] /Foundation.framework/Headers/Foundation.h:8, from [...] /UIKit.framework/Headers/UIAccelerometer.h:8, from [...] /UIKit.framework/Headers/UIKit.h:9: /Developer/Plat...

Using tel: url to initiate a call doesn't return control

I have an app that worked just fine in version 2.2.1 of the iphone, but have ran into an issue when I upgraded my dev iphone to 3.1.2. Before, dialing a number worked fine, as when the call was ended, my application was loaded. Now, after I hit end call, it loads the default phone application. Does anybody know why this is? I've looked a...

sendSynchronousRequest fails under 3.1.2 after "Don't Allow" location fetch

Hey guys, I'm having a problem with doing a sendSynchronousRequest failing. It only fails after I try to get the current geolocation and the user hits "Don't Allow". And it only happens under 3.1.2. (As far as I can tell. It works fine in 3.0.1.) Here's what I do: I set up a very basic test app, that has almost nothing in it. In appli...

Display an image on screen after button is pressed in Cocoa

Hey All, I was wondering what I should use to display an image on screen every time the user presses a button. I am using Objective-C/CocoaTouch on the iPod Touch. I would like to pull these images from an array I have set up and place them on the screen when the button is triggered. I feel dumb asking but any one that can point me in ...

How to force NSLocalizedString to use a specific language

on iPhone NSLocalizedString returns the string in the language of the iPhone. Is it possible to force NSLocalizedString to use a specific language to have the app in a different language than the device ? ...

UIButton AppStore buy button animation

Do you have a sample code for the UIButton animation of the AppStore Price -> to Buy button. I tried a lot, but it doesn't work well with CAAnimationGroup (scale+translation) and it doesn't work with just setting it to the new frame-size in a UIView beginAnimations. The animation first sets the new width(immediatelly) and then the new or...

Am I asking too much with my collision detection method for Cocos2d?

So I'm trying to do collision detections between sprites in cocos 2d. Although I think I may be asking too much as it crashes and the compiler doesn't give me an error, the iPhone simulator just freezes and then gives up. There's a lot of looping involved so I'm guessing it's just too much... but I can't be certain. My intention was to ...

Change View background in iPhone app based on property

I need to change the background of one of my Views based on a property that will be set when the View is initialized. Is this possible? I've got the background set as a UIImageView and if I set it to an Image in Interface Builder it works, but I can't change the background programatically. Here is the code I'm using (I based it off a tu...

Loop through NSMutableArray of custom objects in the most memory efficient way

What is the most memory efficient way to loop through an NSMutableArray of custom objects? I need to check a value in each object in the array and return how many of that type of object is in the array. ...

multiline text, sqlite and uitextview, is not working

I tried many things, i can't display multiline texts from database into uitextview, the \n characters appear as they are instead creating new lines. NSString *aDescription2 = [NSString stringWithCString:(char *)sqlite3_column_text(compiledStatement, 2) encoding:NSUTF8StringEncoding]; The problem must be here, because if i hardcode the...

View iPhone's PVRTC images on OS X

I need to view some of PVRTC-compressed textures from iPhone application (*.pvr) on OS X. Is there a viewer or format converter? ...

UIButton Custom Image in AlertViews

Hi, Im planning to create an Alert view with three buttons, my problem is I want to make the UIButton to custom and change its image. Thanks a lot. ...

UINavigationController animation problem

Hi All, I have a small problem with UINavigationController animation between two view. My application build more than two view, first view contains login information, second view contains root menu, last view contains sample data and so on.. My MainWindow.xib contains a UINavigationController component which is contains all navigation s...

iPhoneSDK: Launching multiple views from within a single view?

I have a very simple entry form. After a button is pressed, I need to show two additional views launched from that view. Here is the error. I am not understanding the error. I thought I had declared two different types. Comments appreciated. 009-11-03 17:17:29.008 eProcessing-iPhone[34257:207] *** Terminating app due to uncaught excepti...

NSXMLParser iPhone memory strategy for large xml

Hi I build a parsing algorithm using NSXMLParser. Im having doubt as to what is the best strategy for keeping my memory usage on a minimum. I have a valueObject (e.g. "Person") this object has ≈ 30 NSString properties, while parsing the xml I continually alloc and release a temporary Person object as the nodes are traversed. I checked ...

Objective C iPhone when to set object references to nil

Hello, I have been developing with objective C and the Cocoa framework for quite some time now. However it is still not absolutely clear to me, when am I supposed to set object references to nil. I know it is recommended to do so right before releasing an object that has a delegate and you should also do so in the viewDidUnload method f...

Do I need to re-deploy to existing iPhone devices if the mobileprovision file is changed?

I have an ad-hoc provision profile for my iPhone application and I have installed them on several devices. If I need to add a new device, I will need to re-compile the application with the new mobileprovision file so that it can be distributed to the new device. But what about those existing devices? Do I need to re-deploy the re-compile...

iphone 3.1.2 sdk UIImagePicker for type movie not copying a thumbnail.

I have seen this question pop up a few times but the authors see to be satisfied with the wrong answer, so I will ask again. When picking a movie out of the user's gallery, I am given a MOV in the tmp directory but I am not given the thumbnail for the movie now in the 3.1+ sdk. In sdk 3.0, you get a jpg in the tmp folder but this beha...

Program iPhone Applications in Windows?

Is it possible? From what I have heard it is. I wouldn't mind just programming them in raw Objective-C. If someone could give a link to the UIKit frameworks and stuff. My iPod touch is jailbroken and I could use its frameworks, but then I couldn't utilize 3G, Camera, Phone. Please help! ...