android图片按手势进展移动

android图片按手势进行移动
  正在做一个游戏，其中要用到用手滑动一个路线，手抬起后，人物图片按此路线移动过去。请大家提供点思路、、、
------最佳解决方案--------------------
= =！ 居然被推荐了
源码放过来 方便大家看。。。

	class CustomView1 extends View{

		 

		private Paint paint;

        private ArrayList<PointF> graphics = new ArrayList<PointF>();

        private Paint  lPaint;

        private Path   mPath;

        private  int of = 0;

        private Boolean over =false;

        private float mX, mY;

        private static final float TOUCH_TOLERANCE = 4;

 

        public CustomView1(Context context) {

            super(context);

            paint = new Paint(Paint.ANTI_ALIAS_FLAG);

            paint.setColor(Color.RED);

            paint.setStrokeJoin(Paint.Join.ROUND);

            paint.setStrokeCap(Paint.Cap.ROUND);

            paint.setStrokeWidth(65);

            

            lPaint = new Paint(Paint.ANTI_ALIAS_FLAG);

            lPaint.setColor(Color.BLACK);

            lPaint.setStyle(Paint.Style.STROKE);//空心

            lPaint.setStrokeJoin(Paint.Join.ROUND);

            lPaint.setStrokeCap(Paint.Cap.ROUND);

            lPaint.setStrokeWidth(5);

            

            mPath = new Path();

            

        }

        

        @Override

        public boolean onTouchEvent(MotionEvent event) {

            float x = event.getX();

            float y = event.getY();

            switch (event.getAction()) {

            case MotionEvent.ACTION_DOWN:

            	over = false;

            	graphics.clear();

            	of=0;

            	graphics.add(new PointF(x, y));