iphone

Workaround to lack of promotional codes for in-app purchases

Apple doesn't offer promotional codes for in-app purchases. What's the best way to let users try the features or content unlocked by in-app purchases for free, while complying with Apple's Developer Guidelines? The idea is to allow a special set of users (reviewers, key fans, etc.) to access the content or features offered as in-app pur...

Adding a subview to UITableCellView

I want to add a subview to the UITableCellView class. However, non of the provided views in the class seem to be able to do exactly what I was looking for. I basically want to add my own background view, filling the whole cell. However, if I replace the backgroundView, the style from the grouped table view layout isn't displayed anymor...

UITableView scrolling performance with CALayer + mask

This is not really a question because I just solved the problem, but I think the nature of the problem is common for many iPhone devs and the solution wasn't really plainly obvious so I wanted to share my experience. To keep with the StackOverflow "question/answer" format, I'm going to put the details into the question and my solution i...

Drawing an image is completely out

Hi I'm using this code below to let a user "draw" their signature on a UIView component on my app: UIGraphicsBeginImageContext(signature.frame.size); [drawImage.image drawInRect:CGRectMake(0, 0, signature.frame.size.width, signature.frame.size.height)]; CGContextSetLineCap(UIGraphicsGetCurrentContext(), kCGLineCapRound); ...

Issue with UIImage files not being found on phone

Note: Using Monotouch. I have a directory called Images where I have all my PNG files. In my code I have the following _imgMinusDark = UIImage.FromFile("images/MinusDark.png"); On the simulator it runs fine, on the phone it's null. I have the Images folder content (all the PNGs) in my MonoDevelop marked as Content in terms of Build Act...

Trying to retrieve the contents of UITableView cell on selection by user.

Hi, this is my first post here and as i am very new (2 weeks in...) to iPhone (or any!) development i am a little unsure as to how much detail is needed or relevant, so please forgive me if I dont provide enough to be useful at this stage... Anyway, on to my problem - I have set up a UITableView-based app, which has a .plist for holding...

Can a method return an NSRange?

I have a method that returns an NSRange. When I call this method from outside the class I get a compile error. NSRange tmpRange; tmpRange = [phrase rangeInString:searchString forString:theLetter goingForward:YES]; return tmpRange.location == -1; in the .h file: #import <Foundation/Foundation.h> @interface Phrase : NSObject { } - (...

Textile parsing in Objective-C?

Are there any libraries to parse Textile (Textile to HTML) which will work in an Objective C iPhone app? C libraries will work too. Update: I couldn't find any sufficiently developed libraries in C/Obj-C, but I did find one written in Javascript, which I used through an invisible UIWebView. Link: Javascript textile parser ...

Using Audio Queue Services to play PCM data over a socket connection

I'm writing a remote desktop client for the iPhone and I'm trying to implement audio redirection. The client is connected to the server over a socket connection, and the server sends 32K chunks of PCM data at a time. I'm trying to use AQS to play the data and it plays the first two seconds (1 buffer worth). However, since the next chu...

Linking directly to the Write Review page from iPhone

I have been trying to redirect the user to the review page. I tried 3 different URL formats: {http://phobos.apple.com/WebObjects/MZStore.woa/wa/viewSoftware?id=350212768&amp;mt=8} (goes to the product page on safari) {http://itunes.apple.com/us/app/british-accent/id350212768?mt=8#} (Goes to the product page in iTunes store on the de...

Java on Iphone / IPad - Java Simulator / Proxy?

Hey, I wish to have a java-chat on the iphone / ipad. With both, as far i know, it's not possible to have java there. But I see a lot of mysteriuos things in the internet the last years, so I must ask - is there any possibilty to run a java-chat on IPad / Iphone?! ...

Speed Problem - Animating Height Change in UITableView

So I have a huge UITableView, between 1000 and 3000 rows. Each row needs to, when selected, expand to include several buttons. I do this by rendering the buttons below the cell, enabling clipping on the cells, and then just animating a change in height when they're selected. So I have heightForRowAtIndex checking if the row is selecte...

iPhone error while importing .app into iTunes

Hi guys, My application tester has a problem while importing .mobileprovision file into iTunes. As I don't have the device I'm not able to check things out, here is the error message: The provisioning profile "embedded.mobileprovision" could not be imported because an unknown error occurred (0xE800801A). Any idea? He is trying to test...

Saving core data in a thread, how to ensure its done writing before quitting?

So I'm saving small images to core data which take a really short amount of time to save, like .2 seconds but I'm doing it while the user is flipping through a scroll view so in order to improve responsiveness I'm moving the saving to a thread. This works great, everything gets saved and the app is responsive. However, there is one thi...

Can I access local images from an iframe inside of a uiwebview?

Basically Im attempting to take a php / jquery / css / html web app that is hosted remotely, and embed it in an iframe inside of a uiwebview in objective c using the big5 framework. I have my iframe set up and the web app is coming in correctly. My issue now is that I need to improve loading and performance. The easiest way to do this I ...

Removing facebook API from my project

I'm looking to remove the Facebook API from my iPhone project for 2 reasons: 1) My Facebook functionality is unfinished and I'd like to submit the app minus ALL of the FB functionality 2) I don't want to include the Facebook API as it contains encryption and I don't want to fill out additional forms etc. So. I need a simple way to remo...

How To Detect "Touch Down" in superview of UIScrollView?

I have a UIView that contains a UIScrollView and I want to be able to capture the "Touch Down" event in the UIView any time the user taps on the UIScrollView. I've tried including all the touchesBegan/Ended/Cancelled handlers in my UIViewController but none of them get fired when tapping inside the UIScrollView contained in the main UIV...

iPhone + Drupal + JSON RPC Server problem

Hello community I don't have any idea how to post a JSON RPC request using Obj-C. Can anyone help me? So far I have: responseData = [[NSMutableData data] retain]; NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:[NSURL URLWithString:@"http://*************/services/json-rpc"]]; NSString *jsonString = @"{\"jsonrpc\": ...

Automatically Loading XIB for UITableViewController

Ran into something interesting, want to know if I'm doing something wrong or if this is the correct behavior. I have a custom UITableViewController. I ASSUMED (first mistake) that if you initialize as such: [[CustomTableController alloc] init]; it would automatically load from a XIB of the same name, CustomTableController.xib, if it ...

iPhone UINavigation Controller issue?

I have 3 different xib's. I am able to go back and forth between view 1 and view 2 with the following code... This Code brings up the second view... -(IBAction)startButtonClicked:(id)sender{ self.gamePlayViewController = [[GamePlayViewController alloc] initWithNibName:@"GamePlayViewController" bundle:nil]; [self.navigationCon...