// Sample code to get pen position and pressure (generic touch event which can distinguish pen vs touch)
        mCanvasView.setOnTouchListener(new View.OnTouchListener() {

            @Override
            public boolean onTouch(View v, MotionEvent event) {
				String osVer = Build.VERSION.RELEASE;
				boolean penActiveOn = false;
				int metaPenActiveOn = 0;
				float penPressure = 0.0f; // Pressure.
				float penX = 0.0f;
				float penY = 0.0f;

	            // Gingerbread
	            metaPenActiveOn = 0x200;
	            if((event.getMetaState() & metaPenActiveOn) != 0)
	            {
	            	penActiveOn = true;
	            }

	            if ( penActiveOn )
	            {
					penPressure = event.getPressure(); // S Pen's Pressure
					penX = event.getX();
					penY = event.getY();

					System.out.format("**** pressure:", penPressure);
					System.out.format("**** X:", penX);
					System.out.format("**** Y:", penY);
	             }

	            return true;
            }
        });