private float lastX;
private float lastY;

public boolean onTouch(View v, MotionEvent ev) {

    final float y = ev.getX();
    final float x = ev.getY();

    final int hs = ev.getHistorySize();

    final int ac = ev.getAction();
    switch(ac)
    {
        case MotionEvent.ACTION_DOWN:
        {
            this.lastX = x;
            this.lastY = y;
            Log.i("TEST", "Down at " + x + "/" + y + " (History size="+hs+")");
            return true;
        }
        case MotionEvent.ACTION_MOVE:
        {
            Log.i("TEST", "Move at " + x + "/" + y + ": Delta="+(lastX-x)+"/"+(lastY-y) + " (History size="+hs+")");
            this.lastX = x;
            this.lastY = y;
            return true;
        }
        case MotionEvent.ACTION_UP:
        {
            Log.i("TEST", "Up at " + x + "/" + y + " (History size="+hs+")");
            return true;
        }
    }
}

Down at 376.0/259.0 (History size=0)
Move at 392.0/268.0: Delta=-16.0/-9.0 (History size=0)
Move at 394.0/268.0: Delta=-2.0/0.0 (History size=0)
Move at 395.0/269.0: Delta=-1.0/-1.0 (History size=0)
Move at 394.0/268.0: Delta=1.0/1.0 (History size=0)
Move at 396.0/269.0: Delta=-2.0/-1.0 (History size=0)
Move at 399.0/271.0: Delta=-3.0/-2.0 (History size=1)
Move at 401.0/272.0: Delta=-2.0/-1.0 (History size=0)
Move at 403.0/273.0: Delta=-2.0/-1.0 (History size=0)
Move at 404.0/273.0: Delta=-1.0/0.0 (History size=0)
Move at 405.0/274.0: Delta=-1.0/-1.0 (History size=0)
Move at 406.0/275.0: Delta=-1.0/-1.0 (History size=0)
Up at 406.0/275.0 (History size=0)

private static PointF touchScreenStartPtArr[] = new PointF[10];
private static PointF touchScreenStopPtArr[] = new PointF[10];
private static PointF touchScreenCurrPtArr[] = new PointF[10];

OnTouchListener onTouchListenerMulti = new OnTouchListener() {

    @Override
    public boolean onTouch(View v, MotionEvent event) {

        int action = event.getAction() & MotionEvent.ACTION_MASK;
        int pointerIndex = (event.getAction() & MotionEvent.ACTION_POINTER_INDEX_MASK) >> MotionEvent.ACTION_POINTER_INDEX_SHIFT;
        int fingerId = event.getPointerId(pointerIndex);

        switch (action) {
        case MotionEvent.ACTION_DOWN:
        case MotionEvent.ACTION_POINTER_DOWN:
            touchScreenStartPtArr[fingerId].x = event.getX(pointerIndex);
            touchScreenStartPtArr[fingerId].y = event.getY(pointerIndex);
            break;
        case MotionEvent.ACTION_UP:
        case MotionEvent.ACTION_POINTER_UP:
        case MotionEvent.ACTION_CANCEL:
            touchScreenStopPtArr[fingerId].x = event.getX(pointerIndex);
            touchScreenStopPtArr[fingerId].y  = event.getX(pointerIndex);
            break;
        case MotionEvent.ACTION_MOVE:
            int pointerCount = event.getPointerCount();
            for (int i = 0; i < pointerCount; i++) {
                touchScreenCurrPtArr[fingerId].x = event.getX(i);
                touchScreenCurrPtArr[fingerId].y = event.getY(i);
            }
            break;
        }
        return true;
    }
};

Down at 387.29388/247.27272 (History size=0)
Move at 387.29388/247.27272: Delta=0.0/0.0 (History size=0)
Move at 387.29388/247.27272: Delta=0.0/0.0 (History size=0)
Move at 387.29388/245.39589: Delta=0.0/1.876831 (History size=0)
Move at 387.29388/244.92668: Delta=0.0/0.46920776 (History size=0)
Move at 387.29388/244.45747: Delta=0.0/0.46920776 (History size=0)
Move at 387.29388/243.98827: Delta=0.0/0.46920776 (History size=0)
Move at 387.29388/243.51906: Delta=0.0/0.46920776 (History size=0)
Move at 389.01614/243.51906: Delta=-1.7222595/0.0 (History size=0)
Move at 389.8773/243.51906: Delta=-0.861145/0.0 (History size=0)
Move at 389.8773/243.04985: Delta=0.0/0.46920776 (History size=0)
Move at 390.73843/243.04985: Delta=-0.861145/0.0 (History size=0)
Move at 390.73843/242.58064: Delta=0.0/0.46920776 (History size=0)
Move at 391.59958/242.58064: Delta=-0.861145/0.0 (History size=0)
Move at 391.59958/242.11143: Delta=0.0/0.46920776 (History size=0)
Move at 392.46072/242.11143: Delta=-0.861145/0.0 (History size=0)
Move at 392.46072/241.64223: Delta=0.0/0.46920776 (History size=0)
Move at 393.32187/241.64223: Delta=-0.861145/0.0 (History size=0)
Move at 394.183/241.64223: Delta=-0.861145/0.0 (History size=0)
Move at 394.183/241.17302: Delta=0.0/0.46920776 (History size=0)
Move at 395.04413/241.17302: Delta=-0.8611145/0.0 (History size=0)
Move at 395.04413/242.11143: Delta=0.0/-0.9384155 (History size=0)
Move at 395.04413/242.58064: Delta=0.0/-0.46920776 (History size=0)
Up at 395.04413/242.58064 (History size=0)