@UIApplicationMain class AppDelegate: UIResponder,UIApplicationDelegate { var window: UIWindow? func application(application: UIApplication!,dIDFinishLaunchingWithOptions launchOptions: NSDictionary!) -> Bool { self.window = UIWindow(frame: UIScreen.mainScreen().bounds) // ... self.window!.tintcolor = UIcolor.orangecolor() return true }}
这是Swift等同于Objective-C:
@interface AppDelegate <UIResponder,UIApplicationDelegate>@property (nonatomic,strong) UIWindow *window;@end@implementation AppDelegate- (BOol)application:(UIApplication *)application dIDFinishLaunchingWithOptions:(NSDictionary *)launchOptions { self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]]; // ... self.window.tintcolor = [UIcolor orangecolor]; return YES;}@end
如果您正在使用故事板,请不要在AppDelegate中放置任何代码,只需更改故事板的“Global Tint”属性:
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