Need help with finding obb during game

I read Thread “More Google OBB drama”, and saw this : “The OBB is added to the “search path” during a pause/resume cycle of the main activity. Application.dataPath will indicate if it is mounted.
So you need to trigger that a pause/resume cycle if its not mounted (simplest way would be to init a “dummy” activity that only returns immediately” from eriQue. So i try this, but i think that i am doing wrong, cause i am very very noobish with java and android develop (activities). Here are my code:

public class ReloadObbActivity extends Activity {

    private Intent myIntent;


    @Override
    protected void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        myIntent= new Intent(this,ReloadObbActivity.class);
        finish();
    }

    public void Launch()
    {
        startActivity(myIntent);
    }

}
 public static void RunDummyActivity()
    {
        using (AndroidJavaClass unity_player = new AndroidJavaClass("com.unity3d.player.UnityPlayer"))
        {

            var jc = new AndroidJavaClass("mycompany.com.reloadobbplugin.ReloadObbActivity");
            jc.Call("Launch");

           

            if (AndroidJNI.ExceptionOccurred() != System.IntPtr.Zero)
            {
                Debug.LogError("Exception occurred while attempting to start DownloaderActivity - is the AndroidManifest.xml incorrect?");
                AndroidJNI.ExceptionDescribe();
                AndroidJNI.ExceptionClear();
            }
        }
    }

So what i am doing wrong?

Found solution by myself. java - What i am doing wrong ? (writing dummy activity and call it via c#) - Stack Overflow