iphone

Video file formats supported in iPhone

hi, What are the the video file formats that are supported by the iphone ? Thanks ...

Multithreading libraries for Objective-C

Excluding Cocoa (and its NSThread), what multithreading libraries would you recommend? The application's engine must run on multiple platforms (Windows, Linux, MacOS, iPhone), and be multithreaded. Abstracting the library to compile against platform-specific MT libraries is possible, but incurs an extra layer of overhead and complexity...

how do i handle uislider's touch event in iphone?

i want to fire a timer as user slides the slider when the touch ends. is there a way to handle touch events of uislider? ...

UITextView Alignment Problem

Hello ALl, I have an UITextView with many lines of text but there is no option for the text Alignment Justified? So how to Justified the text so it look proper. ...

playing animation movie in iPhone application

Hi All, I am currently working on a game, which has a long story at its initial. It just telling the user that what happened before the war that is the causes of war. So, I wish to show all these things like a movie. I used the MPMoviePlayerController for this, now I am facing the problem while hiding the controls. I don't want to s...

iPhone SDK: Loading Facebook Connect Login View before everything else

I have a full iPhone application done but I now want to add Facebook Connect. My question is how to load a new/separate view that only has the Facebook Connect button. I need it to be that the only way they can get into the app is for the Facebook login to be successful. If there is a current active Facebook session then this will no lo...

Using Mapkit to create a local searchable Map

Using MapKit as a base, I'm planning on adding a map to a project with 'local search' capabilities. I think 'local search' describes the feature I want to design into the map. Here is my vision. The map is displayed on the bottom half of a view. The user's current location is highlighted by default. When the user pushes the 'search' but...

Can RIA flash apps on the IPhone store persist data until an internet connection is available?

Hi, I'm interested in building a thick client application for my existing web services that will run on the IPhone. Flash finally seems to be an option, so I thought about using Flex for client side development. However, since flash apps are not natively supported by the IPhone, but only through a wrapper, I was wondering if these ap...

iPhone APIs to access SMS, calendar, emails, call logs?

I am new to iPhone development, I am developing an application like sync for iPhone. This application should read all databases like the address book, SMS, calendar, emails and call logs. I have found an API to read the address book, however I couldn't find APIs to read SMS, calendar, emails, call logs or bookmarks. How do I do it? ...

Customizing Callout view on Maps.

Hi, Could anyone explain on how to customize the callout view, instead of trying to customizing the leftcalloutaccessoryview or rightcallaccessoryview. I would like to display an address of 4 lines with an image. Currently I could display only 2 lines. Thanks in Advance. Zach. ...

NSTask or equivalent for iPhone

I've an open source project (gdal) that I want to compile and run as part of an iPhone app. I had been expecting to use NSTask but I see now that it was removed in OS 3.0. I've also seen elsewhere that running external applications, though this would be a resource in my app's bundle, is not allowed. Has anyone else found a way to run c...

iPhone UIViews sleeping/dying after being brought back into view

Hi, I need some help. This seems to be a common problem I am having when am adding and changing views in my coding. And I would love to learn what I am doing wrong. Currently I am adding and removing views using the following calls from my view controller: [startView removeFromSuperview]; [self addSubview:secondView]; and then doing ...

Converting Raw RSA Key value to SecKeyRef Object for Encryption

Hi I have a RSa publicKey value in base64 , how do i convert to SecKeyRef Object without adding to Keychain Can i add a RSA Raw value to Keychain which is not in X509 format ??? thanks in advance ...

Is my UIView visible to the user?

Hey, is it possible to determine whether my UIView is visible to the user or not? My View is added as subview several times into a Tab Bar Controller. Each instance of this view has a NSTimer that updates the view. However I don't want to update a view witch is not visible to the user. Is this possible? Thanks ...

iPhone Implement a list of customized styled text in a scrollview

I need a small FAQ page with Question in bold font and answer in normal. And the list if long enough to span out of iPhone Length so it should be scrollable. I considered implementing a UITextView which gives me scroll functionality automatically. However it does not allow me to custom style the text (i.e. style different lines different...

app crashes on cellForRowAtIndexPath

Hi All, I keep posting crash logs i receive from the client and It's good to know that I have been able to learn a lot and resolve these issues as well. Here is another one down here: Incident Identifier: 7971B91B-9462-4B2A-B8F1-A77EE1C4F75F CrashReporter Key: f3a4736dc8d450a3cb0ecb7367313dbbd816c484 Process: MyApp [661] Pat...

Iphone: reload view after rotation

Hi there.. I have developed my first iphone app, but have some problems with the auto rotation. After a rotation the screen is cut off, and I have to switch to another tab and then back to get it right.. I guess, if I can reload the the view after the rotation, it will probably work fine.. Any tips on how to do that (or alternative so...

How to get that Zelda Text Effect?

I have a little 2D tile-based OpenGL ES game on the iPhone in which a dialogue box will appear on the screen when talking to characters in the game. I want to know how to display the text (bitmap font) gradually, not the entire string at once but, how they do it in the Zelda games, letter by letter with the little command-prompt looking ...

Improving iPhone performance - loading images from an SQLite3 database

I'm experiencing some performance problems loading about 60 images from a SQLite3 table with the following table: select rowid, thumbnail from my_table where category_id = 4 I have an index on category_id, yet it takes about 2.5 seconds to load a table of 170 70x70 PNG images. In my code, I create an NSMutableArray of objects represe...

code or tutorial for how to make call from iphone application without quitting the application

Hi All, Is it possible to make call from application without quitting the application on iphone. ...