NSUserDefaults

IOS-UserDefault相关 是否判断第一次登陆

2015-12-10  本文已影响5448人  Roger_单

首先绘制好第一页面和第二页面,分别命名为登录前页面loginBtn登陆后页面loginBtn2.


 if (![[NSUserDefaults standardUserDefaults] valueForKey:@"isFirst"]) {
          
        AppGuidViewController *appGuid = [[AppGuidViewController alloc] initWithImageArray:@[@"guies01",@"guies02",@"guies03"] startBtnDistanceWithBottomArray:@[@70,@100,@110,@120] needLoadVC:self.viewController];
        self.window.rootViewController = appGuid;
        [[NSUserDefaults standardUserDefaults] setValue:@"YES" forKey:@"isFirst"];
    }else{
   
        self.window.rootViewController = self.viewController;
    }
[NSUserDefault standardUserDefault] valueForKey:@"isFirst"]
if (![[NSUserDefaultsstandardUserDefault]valueForKey:@"isFirst"])
 if ([[NSUserDefaults standardUserDefaults]valueForKey:@"isFirst"] ==nil) {
        UINavigationController *navc = [[UINavigationController alloc] initWithRootViewController:[[LoginViewController alloc] init]];
        [self.navigationController presentViewController:navc animated:YES completion:nil];
    }else{
        [self.navigationController pushViewController:[[LandViewController alloc] init] animated:YES];
    }

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