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  • ios版本更新提示

    // 提示用户更新
    -(void)checkAppUpdate
    {
        NSDictionary *infoDict = [[NSBundle mainBundle] infoDictionary];
        
        NSString *nowVersion = [infoDict objectForKey:@"CFBundleVersion"];
        NSURL *url = [NSURL URLWithString:[NSString stringWithFormat:@"http://itunes.apple.com/lookup?id=%@", kStoreAppId]];
        NSString * file =  [NSString stringWithContentsOfURL:url encoding:NSUTF8StringEncoding error:nil];
        
        NSRange substr = [file rangeOfString:@""version":""];
        NSRange range1 = NSMakeRange(substr.location+substr.length,10);
        NSRange substr2 =[file rangeOfString:@""" options:nil range:range1];
        NSRange range2 = NSMakeRange(substr.location+substr.length, substr2.location-substr.location-substr.length);
        NSString *newVersion =[file substringWithRange:range2];
        if(![nowVersion isEqualToString:newVersion])
        {
            UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"提示" message:@"版本有更新"delegate:self cancelButtonTitle:@"忽略"otherButtonTitles:@"更新",nil];
            [alert show];
        }
    }

    - (void)alertView:(UIAlertView*)alertView clickedButtonAtIndex:(NSInteger)buttonIndex
    {
        if(buttonIndex==1)
        {
            // 此处加入应用在app store的地址,方便用户去更新,一种实现方式如下:
            
            NSURL *url = [NSURL URLWithString:[NSString stringWithFormat:@"https://itunes.apple.com/us/app/che-yi/id1087016587?l=zh&ls=1&mt=8"]];
            [[UIApplication sharedApplication] openURL:url];
        }
    }

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  • 原文地址:https://www.cnblogs.com/yangxiaolong/p/5382654.html
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