iOS 引导页面启动一次
2024-10-18 16:58:00
#import "AppDelegate.h" @implementation AppDelegate - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
// Override point for customization after application launch.
self.window.backgroundColor = [UIColor whiteColor]; //增加标识,用于判断是否是第一次启动应用...
if (![[NSUserDefaults standardUserDefaults] boolForKey:@"everLaunched"]) {
[[NSUserDefaults standardUserDefaults] setBool:YES forKey:@"everLaunched"];
[[NSUserDefaults standardUserDefaults] setBool:YES forKey:@"firstLaunch"];
} if ([[NSUserDefaults standardUserDefaults] boolForKey:@"firstLaunch"]) {
ViewController *appStartController = [[ViewController alloc] init];
self.window.rootViewController = appStartController;
}else {
//NextViewController *mainViewController = [[NextViewController alloc] init];
//self.window.rootViewController=mainViewController;
}
[self.window makeKeyAndVisible];
return YES;
}
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