app版本检测-尊龙凯时

        nsstring *version = @"";
        nsurl *url = [nsurl urlwithstring:@"http://www.51sjk.com/upload/articles/1/0/323/323233_20220817162716895.jpg app id>"];
        versionrequest = [asiformdatarequest requestwithurl:url];
        [versionrequest setrequestmethod:@"get"];
        [versionrequest setdelegate:self];
        [versionrequest settimeoutseconds:150];
        [versionrequest addrequestheader:@"content-type" value:@"application/json"]; 
        [versionrequest startsynchronous];
        //response string of our rest call
        nsstring* jsonresponsestring = [versionrequest responsestring];
        nsdictionary *loginauthenticationresponse = [jsonresponsestring objectfromjsonstring];
        nsarray *configdata = [loginauthenticationresponse valueforkey:@"results"];
        for (id config in configdata) 
        {
            version = [config valueforkey:@"version"];
        }
        //check your version with the version in app store
        if (![version isequaltostring:[itsuserdefaults objectforkey:@"version"]]) 
        {
            proalertview *createuserresponsealert = [[proalertview alloc] initwithtitle:@"new version!!" message: @"a new version of app is available to download" delegate:self cancelbuttontitle:@"cancel" otherbuttontitles: @"download", nil];
        [createuserresponsealert show]; 
        [createuserresponsealert release];
        }