Iphone上的tarBarItem图标被切断

我的问题是tabbaritem的图标图像被切掉了。如何使其适合整个图标？

我认为您必须将图标大小调整为大约30x30（）

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您也可以通过编程方式调整UIImage的大小，但对于这种类型的固定映像，手动调整大小会更明智

一个图像比一千个词还有用。。。

tabBarController = [[UITabBarController alloc] initWithNibName:nil bundle:nil];          
tabBarController.delegate = self;

UINavigationController *searchNav = [[[UINavigationController alloc] initWithRootViewController:search] autorelease];
searchNav.navigationBar.barStyle = UIBarStyleBlack;

[searchNav.tabBarItem initWithTitle:@"Search" image:[UIImage imageNamed:@"icn_find.png"] tag:0];


SettingsView *settings = [[[SettingsView alloc] initWithNibName:@"SettingsView" bundle:nil] autorelease];
settings.delegate = self;
UINavigationController *nav2 = [[[UINavigationController alloc] initWithRootViewController:settings] autorelease];
nav2.navigationBar.barStyle = UIBarStyleBlack;
[nav2.tabBarItem initWithTitle:@"Settings" image:[UIImage imageNamed:@"icn_Settings.png"] tag:1];

  tabBarController.viewControllers = [NSArray arrayWithObjects: searchNav, nav2, nil];