UnityEditor.iOS.Xcode.PBXProject.GetCompileFlagsForFile C# (CSharp) Method

        public List<string> GetCompileFlagsForFile(string targetGuid, string fileGuid)
        {
            PBXBuildFileData data = this.BuildFilesGetForSourceFile(targetGuid, fileGuid);
            if (data == null)
            {
                return null;
            }
            if (data.compileFlags == null)
            {
                return new List<string>();
            }
            return new List<string> { data.compileFlags };
        }

    //设置Capabilities
    void SetCapabilities(string pathToBuildProject)
    {
        string projPath = pathToBuildProject + "/Unity-iPhone.xcodeproj/project.pbxproj";  //项目路径，这个路径在mac上默认是不显示的，需要右键->显示包内容才能看到。unity到处的名字就是这个。

        UnityEditor.iOS.Xcode.PBXProject pbxProj = new UnityEditor.iOS.Xcode.PBXProject(); //创建xcode project类
        pbxProj.ReadFromString(File.ReadAllText(projPath));                                //xcode project读入
        string targetGuid = pbxProj.TargetGuidByName(PBXProject.GetUnityTargetName());     //获得Target名

        //设置BuildSetting
        pbxProj.SetBuildProperty(targetGuid, "ENABLE_BITCODE", "NO");
        pbxProj.AddBuildProperty(targetGuid, "OTHER_LDFLAGS", "-ObjC");
        pbxProj.SetBuildProperty(targetGuid, "DEBUG_INFORMATION_FORMAT", "dwarf-with-dsym"); //定位崩溃bug
        pbxProj.SetBuildProperty(targetGuid, "EXCLUDED_ARCHS", "armv7");

        pbxProj.AddFrameworkToProject(targetGuid, "MediaPlayer.framework", false);
        pbxProj.AddFrameworkToProject(targetGuid, "AdSupport.framework", true);
        //添加资源
        pbxProj.AddFileToBuild(targetGuid, pbxProj.AddFile(System.Environment.CurrentDirectory + "/LTBaseSDK_Oversea/ltgame.cfg", "Resource/ltgame.cfg", PBXSourceTree.Source));

        //修改编译方式
        string mmfile = pbxProj.FindFileGuidByProjectPath("Classes/UnityAppController.mm");
        var    flags  = pbxProj.GetCompileFlagsForFile(targetGuid, mmfile);

        flags.Add("-fno-objc-arc");
        pbxProj.SetCompileFlagsForFile(targetGuid, mmfile, flags);
        mmfile = pbxProj.FindFileGuidByProjectPath("Libraries/Plugins/IOS/LTSDK/LTSDKNPC.mm");
        flags  = pbxProj.GetCompileFlagsForFile(targetGuid, mmfile);
        flags.Add("-fno-objc-arc");
        pbxProj.SetCompileFlagsForFile(targetGuid, mmfile, flags);
        pbxProj.WriteToFile(projPath);

        string[] splits     = PlayerSettings.applicationIdentifier.Split('.');
        var      capManager = new ProjectCapabilityManager(projPath, splits[splits.Length - 1] + ".entitlements", PBXProject.GetUnityTargetName());//创建设置Capability类

        if (PlayerSettings.applicationIdentifier.Equals("com.longtugame.dzyz.longtu"))
        {
            //正式包，增加计费
            capManager.AddInAppPurchase();
        }
        capManager.AddAssociatedDomains(new[]
        {
            "applinks:dy.longtugame.com"
        });
        capManager.WriteToFile();//写入文件保存
    }