显示软件新特性

来源：互联网发布：软件需求确认表编辑：程序博客网时间：2024/06/03 18:27
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions{//1.创建窗口self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];//2.判断是否第一次使用软件当前版本NSString *key = (NSString *)kCFBundleVersionKey;//2.1先去沙盒中取出上次使用的版本号NSString *lastVersionCode = [[NSUserDefaults standardUserDefaults] objectForKey:key];//2.2加载程序中info.plist文件(获得当前软件版本号)NSString *currentVersioncode = [NSBundle mainBundle].infoDictionary[key];if ([lastVersionCode isEqualToString:currentVersioncode]) {//非第一次使用[self startWare :NO];} else {//第一次使用软件//2.3.保存当期软件版本号[[NSUserDefaults standardUserDefaults] setObject:currentVersioncode forKey:key];[[NSUserDefaults standardUserDefaults] synchronize];//2.4.新特性控制器NewFeatureViewController *new = [[NewFeatureViewController alloc] init];new.startBlock = ^(BOOL shared){[self startWare:shared];};self.window.rootViewController = new;}//  NSLog(@”%@”,currentVersioncode);//3.显示窗口[self.window makeKeyAndVisible];return YES;}
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