PlistElementDict.SetInteger

Удобный метод установки свойства Integer.

using UnityEditor;
using UnityEditor.Callbacks;
using UnityEditor.iOS.Xcode;

public class PlistSetIntegerExample
{
    [PostProcessBuild]
    public static void SetIntegerExample(BuildTarget buildTarget, string pathToBuiltProject)
    {
        if (buildTarget == BuildTarget.iOS) 
        {
            // Read the contents of the Info.plist file that was generated during the build
            string plistPath = pathToBuiltProject + "/Info.plist";
            PlistDocument plist = new PlistDocument();
            plist.ReadFromFile(plistPath);
       
            // Get root plist element
            PlistElementDict rootDict = plist.root;
            
            
            // Use SetInteger to change the value of "UIDeviceFamily" to "2"
            rootDict.SetInteger("UIDeviceFamily", 2);

            // Use SetInteger to create a new Info.plist entry called "ExampleInteger" with "10" as the value
            // If a specified key doesn't already exist in the Info.plist, a new entry will be created
            rootDict.SetInteger("ExampleInteger", 10);

            // Write the changes to the Info.plist file
            plist.WriteToFile(plistPath);
        }
    }
}