goodpk_ios/goodpk/AppDelegate.m

//
//  AppDelegate.m
//  goodpk
//
//  Created by 歐特儀 on 2020/2/11.
//  Copyright © 2020 Altob. All rights reserved.
//

#import "AppDelegate.h"

@interface AppDelegate ()
@property NSUserDefaults* defaults;

@end

@implementation AppDelegate


- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
    // Override point for customization after application launch.
    
    return YES;
}


#pragma mark - UISceneSession lifecycle


- (UISceneConfiguration *)application:(UIApplication *)application configurationForConnectingSceneSession:(UISceneSession *)connectingSceneSession options:(UISceneConnectionOptions *)options {
    // Called when a new scene session is being created.
    // Use this method to select a configuration to create the new scene with.
    return [[UISceneConfiguration alloc] initWithName:@"Default Configuration" sessionRole:connectingSceneSession.role];
}


- (void)application:(UIApplication *)application didDiscardSceneSessions:(NSSet<UISceneSession *> *)sceneSessions {
    // Called when the user discards a scene session.
    // If any sessions were discarded while the application was not running, this will be called shortly after application:didFinishLaunchingWithOptions.
    // Use this method to release any resources that were specific to the discarded scenes, as they will not return.
}

- (void)applicationDidBecomeActive:(UIScene *)scene {
    // Called when the scene has moved from an inactive state to an active state.
    // Use this method to restart any tasks that were paused (or not yet started) when the scene was inactive.
    self.defaults = [NSUserDefaults standardUserDefaults];
    if ([self.defaults boolForKey:@"notFirstRun"]) {
    [self.window.rootViewController dismissViewControllerAnimated:YES completion:NULL];
    }
}


- (void)applicationWillResignActive:(UIScene *)scene {
    // Called when the scene will move from an active state to an inactive state.
    // This may occur due to temporary interruptions (ex. an incoming phone call).
    self.defaults = [NSUserDefaults standardUserDefaults];
    if ([self.defaults boolForKey:@"notFirstRun"]) {
    UIViewController *blankViewController = [UIViewController new];
    blankViewController.view.backgroundColor = [UIColor blackColor];
    
    [self.window.rootViewController presentViewController:blankViewController animated:YES completion:NULL];
    }
}

- (void)applicationDidEnterBackground:(UIApplication *)application
{
    self.defaults = [NSUserDefaults standardUserDefaults];
    if ([self.defaults boolForKey:@"notFirstRun"]) {
    UIViewController *blankViewController = [UIViewController new];
    blankViewController.view.backgroundColor = [UIColor blackColor];

    [self.window.rootViewController presentViewController:blankViewController animated:YES completion:NULL];
    }
}

- (void)applicationWillEnterForeground:(UIApplication *)application
{
    self.defaults = [NSUserDefaults standardUserDefaults];
    if ([self.defaults boolForKey:@"notFirstRun"]) {
    [self.window.rootViewController dismissViewControllerAnimated:YES completion:NULL];
    }
}
@end