iphone

Remote access to apache2 server

Hi all, I'm trying to test my iPhone application on the device. I have a mac computer which stores my development environment. Right now I can only access PHP files using the http://localhost/PHPFileLocation which does not work when I try to test my app on real device. How do I configure apache2 to be accessible from outside? Is it pos...

Portability among mobile platforms

Do any libraries or other development resources exist that can help reduce the effort involved in porting applications between various mobile platforms? In particular, I am interested in supporting iPhone, Android, and Windows Mobile. Some areas of concern include UI, client-server communication, and hardware support (e.g., camera, GPS...

How to change the speed of video playback

hi, i'm wondering if it's possible to change the video playback speed in an iphone application. we want users to yell in the microphone to speed up the playback and get to the end.. Thomas ...

Automatic "canShowCallOut" annotation IPHONE

Hi all, in wich way could i call the function that open automatically my annotation (with title, subtitle, calloutaccessorybutton, etc), rather than to touch on the annotation on the mapview? thanks in advance:) Mat ...

iPhone SDK: how to disable my app sound if playing iPod content?

How can I disable my iPhone app sound if the user is playing iPod content? Thanks! ...

should variable be released or not? iphone-sdk

Hi, I have the following piece of code from a book. There is this function loadPrefs where the NSString *userTimeZone is being released before the end of the function. Why? The string was not created with alloc and I assume that the stringForKey function returns an autoreleased NSString. Is this an error or am I missing something? Is ...

Looking for an elegant way to store one-to-many relationship in coredata when order is important

I've been trying to come up with a way to solve my problem, but every solution I can think of is messy and makes me want to retch. I have a one-to-many relationship, consisting of a Team object that can have many Member objects. When I built my data model using Xcode, I was given the default NSSet in which to store the member objects, ...

Click Tabbar to Open Email view in iphone

HI, I am new to iphone development.I have created the tabbar programmatically and sets five views in the tabbar. Now i want to load an email application view when i clicked the tabbar.This works properly.When i clicked the next tabbar and come back to the email view, i am able to see the normal view and not the Email view.Only one time ...

How to allow one thread to mutate an array property while another thread iterates on a copy of the array

I would like to implement an observer pattern in Objective-C where the observer implements an interface similar to SKPaymentTransactionObserver and the observable class just extends my base observable. My observable class looks something like what is below. Notice I'm making copies of the observers before enumeration to avoid throwing ...

Best way to store a string in an iPhone app?

I've started a new iPhone app that needs to remember a single, 40-char string. That's it. I've hooked into Core Data, and am reading about it now, but it really seems like overkill. Is there an easier way to do something so simple? ...

CoreGraphics rounded corner thickness

Whenever I stroke a path with rounded corners on iPhone, the rounded corners are thicker than the rest of the stroked path. See here for what I mean: Not sure why this happens, any ideas? ...

How do I create a sqlite 3 (.sl3) database file?

I have a *.sqlite file... but I need the database in *.sl3 format? What software/tool can I us to create that? What are the steps? This is to be used in an iPhone app. Original developer used an .sl3 file, now that I have updated the DB - I can't seem to export/generate a .sl3 file I have tried just changing the extension - all the w...

Drawing elements on an MKMapView of a specified size in meters

I'm attempting to draw a circle around a point on a mapview, which I have successfully done, but not quite the way I wanted to. The CG methods are always going to be drawing relative to the screen size, and basically I want to draw things in meters, not pixels. Anyone have experience doing this? ...

Simple if statement for checking whether a co-ordinate is inside a square?

I have an UIImageView and taking the raw touch input. I need to check if a touch is within a certain set of squares. At the moment... I have this if statement.... if(46 < touchedAt.x && touchedAt.x < 124 && 18 < touchedAt.y && touchedAt.y < 75) but I have tried to simplify it to this one... if(46 < touchedAt.x < 124 && 18 < touchedA...

Why does my program crash when given negative values?

Alright, I am very confused, so I hope you friends can help me out. I'm working on a project using Cocos2D, the most recent version (.99 RC 1). I make some player objects and some buttons to change the object's life. But the weird thing is, the code crashes when I try to change their life by -5. Or any negative value for that matter,...

mixing OpenGL and Interface Builder/ UI Controls - bad idea? Why? (iPhone)

I've heard that OpenGL ES and standard iPhone UI controls don't play well together, but I'm wondering if anyone knows why, and what the effects are? I'm writing an OpenGL based game, and the view is loaded from a nib file with ui controls, and it seems to work ok, but the game is really simple at this point... does using ui controls cau...

Two PickerViews in save View issue?

I'm trying to have 2 pickerviews in the same view. It works except for two things. If one pickerview has more rows than the other the app crashes when picking an item from the pickerview with more items. Also I created an NSLog for the pickerviews and the console shows that I'm picking two items at once when in fact i'm only dealing w...

iPad modal view controller similar to Mail.app?

How can I create a modal window in my iPad app similar to the one shown on Apple's website for composing messages in Mail.app? Example: Thanks! ...

Animate a GIF using Core Animation layers?

I'm trying to animate a GIF and I hit a roadblock. I have an example of what I'm trying to do that uses the individual frames of the GIF and setting the animationImages property of a UIView. However in my project, the thing I want to animate is drawn using Layers. I'm looking for a quick and easy way to animate the frames without introdu...

iphone app working on most devices but not a few

Hi there. I have recently been rewriting some of my iphone app because a couple of users have said it was crashing on certain events. The event in question is when I add a new XIB to the view using the following code AddItemViewController * add_item = [[AddItemViewController alloc] initWithNibName:@"AddItem" bundle:[NSBundle mainBundle...