iOS version update

//Determine if there is a new version:/HTTP itunes.apple.com/ AppID of the lookup?id= project

The network request is returned in the JSON block:

Take the current version

nsdictionary *infodic = [[nsbundle mainbundle] infodictionary];

nsstring *appversion = [infodic objectforkey:@ "Cfbundlev Ersion "];

Take the version on AppStore.

nsarray *infoarray = [JSON objectforkey:@ "Resul TS "];

nsdictionary *releaseinfo = [Infoarray objectatindex:0 ];

nsstring *latestversion = [releaseinfo objectforkey: @ "Version" ];

The new version is also the address of the app in AppStore

URL = [Releaseinfo objectforkey:@ "Trackviewurl"];

if (![ AppVersion isequaltostring: latestversion]) {//Two versions, there is a new version

[[uiapplication sharedapplication] openurl: [nsurl urlwithstring: URL]];

}Else

{

                     [ self alertviewtitle : Span class= "S5" >@ " hint " andmessage : @ " is currently the latest version " anddelegate : self andcancelbuttontitle : @ " OK " Andotherbuttontitle : nil ;

}

iOS version update