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POWhat is __AVAILABILITY_INTERNAL__IPHONE_2, NS_AVAILABLE ? Trying to use NSNumberFormatter, returns (null)
 

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  1. POWhat is __AVAILABILITY_INTERNAL__IPHONE_2, NS_AVAILABLE ? Trying to use NSNumberFormatter, returns (null)
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    <p>I've been having some trouble getting NSNumberFormatter to work properly.</p> <p>I'm compiling in iOS4 with the Three20 Framework.</p> <p>All of the NSNumberFormatter selectors require something called NS_AVAILABLE as a second parameter on the selector:</p> <pre><code>[numberFormatter setCurrencyGroupingSeparator:(NSString *)string __AVAILABILITY_INTERNAL__IPHONE_2:(int)_0]; </code></pre> <p>I'm not sure what I'm supposed to do with the second parameter. I've tried:</p> <pre><code>[numberFormatter setCurrencyGroupingSeparator:@"," __AVAILABILITY_INTERNAL__IPHONE_2:2]; // Warning: NSNumberFormatter' may not respond to '-setCurrencyGroupingSeparator:__AVAILABILITY_INTERNAL__IPHONE_2: [numberFormatter setCurrencyGroupingSeparator:@"," __AVAILABILITY_INTERNAL__IPHONE_2:2_0]; //Error: invalid suffix "_0" on integer constant </code></pre> <p>and several more iterations of that.</p> <p>If I don't specify the __AVAILABLE_INTERNAL__IPHONE_2 it doesn't throw a warning and compiles fine, but the selector text is black, not dark purple in Xcode as if it's not recognized. </p> <p>Here's the full code snippet: </p> <pre><code>NSNumberFormatter *numberFormatter = [[[NSNumberFormatter alloc] init] autorelease]; [numberFormatter setCurrencyGroupingSeparator:@","]; [numberFormatter setUsesGroupingSeparator:YES]; [numberFormatter setNumberStyle:NSNumberFormatterCurrencyStyle]; numberString = [NSString stringWithFormat: @"$%@",[numberFormatter stringFromNumber:myNsNumber]]; // myNsNumber is an NSNumber with a value of 10000000 NSLog(@"numberString: %@",numberString); // numberString: (null) | instead of numberString: $10,000,000 </code></pre> <p>I've Googled <strong>_AVAILABILITY_INTERNAL__IPHONE_2</strong> and <strong>NS_AVAILABLE</strong> with no luck.</p> <p>Searching developer.apple.com only gives me the iOS 4.0 API Diffs.</p> <p>Is this an issue with Three20? Does anyone know whats going on here or what NS_AVAILABLE is all about?</p>
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    1. USDan Sandland
    1. USDan Sandland
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