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POWhat properties do we synthesize in xcode 4.4.1
 

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  1. POWhat properties do we synthesize in xcode 4.4.1
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    <p>I am using Xcode 4.4.1. When I define <code>@property</code> like <code>UINavigationController</code> or <code>NSArray</code>in .h file I have to <code>@synthesize</code> it in .m file. But some <code>@property</code> like <code>UITabBarController</code> or <code>NSString</code> I don't have to <code>@synthesize</code> it to make it work.</p> <p>My Question is what <code>@property</code>s need to <code>@synthesize</code> and what need not to.</p> <p>AppDelegate.h</p> <pre><code>@interface AppDelegate : UIResponder &lt;UIApplicationDelegate&gt; { UITabBarController *_tabBar; UINavigationController *_navBar; } @property (strong, nonatomic) UIWindow *window; @property (nonatomic, retain) Employee *empView; @property (nonatomic, retain) UITabBarController *_tabBar; @property (nonatomic, retain) UINavigationController *_navBar; </code></pre> <p>AppDelegate.m</p> <pre><code>@implementation AppDelegate @synthesize _navBar; - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]]; // Override point for customization after application launch. Employee *emp = [[Employee alloc]initWithNibName:@"Employee" bundle:nil]; self._tabBar = [[UITabBarController alloc]init]; self._navBar = [[UINavigationController alloc]initWithRootViewController:emp]; self._tabBar.viewControllers = [NSArray arrayWithObjects:_navBar, nil]; self.window.rootViewController = self._tabBar; self._navBar.navigationBar.tintColor = [UIColor brownColor]; self.window.backgroundColor = [UIColor whiteColor]; [self.window makeKeyAndVisible]; return YES; } </code></pre> <p>When I <code>@synthesize</code> <code>UINavigationController</code> I get <code>UINavigationController</code> and <code>UITabBarController</code>. But when I don't <code>@synthesize</code> <code>UINavigationController</code> I don't get <code>UINavigationController</code> but <code>UITabBarController</code> is displayed. </p> <p>In both cases I didn't <code>@synthesize</code> <code>UITabBarController</code></p> <p>Thanks</p>
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    1. COCan you please post some code? Here's a quick tutorial on `@property` and `@synthesize`: http://www.optictheory.com/iphone-dev/2010/02/objective-c-primer-part-3-property-and-synthesize/
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    2. CO@WendiKidd Please see the question again I did some editing to it.
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