Trying to build a jar wrapper for some SPen functions...

PenTest.cs

package com.testing123.pentest;

import com.unity3d.player.UnityPlayerActivity;
import java.util.HashMap;

import android.app.Activity;
import android.content.Context;
import android.graphics.Color;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.MotionEvent;
import android.view.View;
//import android.widget.RelativeLayout;
//import android.widget.TextView;
//import android.widget.Toast;

//import com.samsung.samm.common.SObjectStroke;
//import com.samsung.spen.settings.SettingStrokeInfo;
//import com.samsung.spensdk.SCanvasConstants;
//import com.samsung.spensdk.SCanvasView;
import com.samsung.spensdk.applistener.SCanvasLongPressListener;
import com.samsung.spensdk.applistener.SPenDetachmentListener;
import com.samsung.spensdk.applistener.SPenHoverListener;
import com.samsung.spensdk.applistener.SPenTouchListener;
import com.samsung.spensdk.applistener.SettingStrokeChangeListener;
import com.samsung.spen.lib.input.SPenEvent;
//import com.samsung.spensdk.example.R;
//import com.samsung.spensdk.example.tools.SPenSDKUtils;

public class PenTest extends UnityPlayerActivity {
 	private final String TAG = "SPenSDK Sample";
	
    public static SPenTouchListener sPenTouchListener;
    
    
    private static String isPenTouched="null";
    
    public static void startPenListeners(){
        sPenTouchListener = new SPenTouchListener(){
            
			@Override
			public boolean onTouchFinger(View view, MotionEvent event) {
				
				//UnityPlayerActivity.UnitySendMessage("Main Camera","FingerTouch","ypi");
                return false;
                
			}
            
			@Override
			public boolean onTouchPen(View view, MotionEvent event) {
				//UnityPlayer.UnitySendMessage("Main Camera","PenTouch","ypi");
                isPenTouched="true";
                return false;
			}
            
			@Override
			public boolean onTouchPenEraser(View view, MotionEvent event) {
				//UnityPlayer.UnitySendMessage("Main Camera","PenEraser","ypi");
                 return false;
			}
            
			@Override
			public void onTouchButtonDown(View view, MotionEvent event) {
				//UnityPlayer.UnitySendMessage("Main Camera","TouchButtonDown","ypi");
                //return false;
			}
            
			@Override
			public void onTouchButtonUp(View view, MotionEvent event) {
				//UnityPlayer.UnitySendMessage("Main Camera","TouchButtonUp","ypi");
                //return false;
			}
            
            
		};
    
    }
    
	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
    	
		
		
        
		//--------------------------------------------
		// Set S pen Touch Listener
		//--------------------------------------------
        startPenListeners();
		

        

	}
    
    public static String IsPen(){
        return isPenTouched;
    }
	

	
}