应用程序首次运行时如何显示弹出警报视图? [英] How to Show popup Alert view when apps run first time?

问题描述

每个人，我都在iPhone上工作.我有一个问题，我想在我的应用程序首次在iPhone中运行时显示警报视图弹出窗口.我不知道该怎么做.请有人帮我.

Everyone, I'm working in iphone. I've a problem that I want to show a alert view popup when my apps run first time in iphone. I'm not getting how to do this. Please someone help me.

推荐答案

BOOL foo = [[NSUserDefaults standardUserDefaults]boolForKey:@"previouslyLaunched"];
if (!foo) 
{
    NSLog(@"FirstLaunch");
    [[NSUserDefaults standardUserDefaults]setBool:YES forKey:@"previouslyLaunched"];
}

Akshay先前所说的，带有一些代码.

What Akshay said earlier, with some code.

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