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Re: Deprecated APIs
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Re: Deprecated APIs


  • Subject: Re: Deprecated APIs
  • From: Charles Srstka <email@hidden>
  • Date: Tue, 23 Feb 2010 17:26:52 -0600

On Feb 23, 2010, at 2:25 PM, Steve Christensen wrote:

> As others have already pointed out, it's your choice of whether or not to support a deprecated API method. When I decide to use OS version-specific API methods, I code as follows. The benefit is that, when you decide to support a minimum of 10.6, the code to support older OS versions is automatically stripped out at compile time.
>
>
> #if MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_6
> if (![panel respondsToSelector:@selector(beginSheetModalForWindow:completionHandler:)])
> {
> 	// code to run on Leopard and earlier
> 	[panel beginSheetForDirectory: @"/Users/whatever/Pictures/"
> 	                         file: @"Untitled"
> 	               modalForWindow: mWindow
> 	                modalDelegate: self
> 	               didEndSelector: @selector(sheedDidEnd:returnCode:contextInfo:)
> 	                  contextInfo: nil];
> }
> else
> #endif
> {
> 	// code to run on Snow Leopard or later
> 	[panel setDirectoryURL: @"/Users/whatever/Pictures/"];
> 	[panel setNameFieldStringValue:@"Untitled"];
> 	[panel beginSheetModalForWindow:mWindow
> 	              completionHandler:^(NSInteger returnCode) {
> 	                                   [panel orderOut:self];
> 	                                   [self didEndPathSelectorSheet: returnCode
> 	                                                        filename: [ [panel URL] relativePath] ];
> 	                                 } ];
> }

That code uses blocks, though, which implies that it will be compiled using a later version of Objective-C. Will that code really run on older versions of OS X?

Charles_______________________________________________

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  • Follow-Ups:
    • Re: Deprecated APIs
      • From: Steve Christensen <email@hidden>
References: 
 >Deprecated APIs (From: charisse napeÿfffff1as <email@hidden>)
 >Re: Deprecated APIs (From: Steve Christensen <email@hidden>)

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