holder.buyBtn.setOnClickListener(new OnClickListener() {
 @Override
 public void onClick(View v) {
// 用來存儲(chǔ)按鈕的在屏幕的X、Y坐標(biāo)
  int[] startLocation = new int[2];
// 獲取購買按鈕的在屏幕的X、Y坐標(biāo)（這也是動(dòng)畫開始的坐標(biāo)）   
  v.getLocationInWindow(startLocation);
//設(shè)置小球的圖片
  ball = new ImageView(mContext);
  ball.setImageResource(R.drawable.sign);
  setAnim(ball, startLocation);// 開始執(zhí)行動(dòng)畫
  }
});

private void setAnim(final View v, int[] startLocation) {
    anim_mask_layout = null;
    //創(chuàng)建動(dòng)畫層
    anim_mask_layout = createAnimLayout();
    //把動(dòng)畫小球添加到動(dòng)畫層
    anim_mask_layout.addView(v);
  final View view = addViewToAnimLayout(anim_mask_layout, v,startLocation);
    // 存儲(chǔ)動(dòng)畫結(jié)束位置的X、Y坐標(biāo)
    int[] endLocation = new int[2];
    // shopCart是購物車
    shopCart.getLocationInWindow(endLocation);

    // 計(jì)算位移
    // 動(dòng)畫位移的X坐標(biāo)
    int endX = 0 - startLocation[0] + 40;
    // 動(dòng)畫位移的y坐標(biāo)
    int endY = endLocation[1] - startLocation[1];
    //設(shè)置X方向上的平移動(dòng)畫
    TranslateAnimation translateAnimationX = new TranslateAnimation(0,
        endX, 0, 0);
    translateAnimationX.setInterpolator(new LinearInterpolator());
    // 動(dòng)畫重復(fù)執(zhí)行的次數(shù)
    translateAnimationX.setRepeatCount(0);
    translateAnimationX.setFillAfter(true);
    //設(shè)置Y方向上的平移動(dòng)畫
    TranslateAnimation translateAnimationY = new TranslateAnimation(0, 0,
        0, endY);
    translateAnimationY.setInterpolator(new AccelerateInterpolator());
    // 動(dòng)畫重復(fù)執(zhí)行的次數(shù)
    translateAnimationY.setRepeatCount(0);
    translateAnimationX.setFillAfter(true);

    AnimationSet set = new AnimationSet(false);
    set.setFillAfter(false);
    set.addAnimation(translateAnimationY);
    set.addAnimation(translateAnimationX);
    set.setDuration(800);// 動(dòng)畫的執(zhí)行時(shí)間
    view.startAnimation(set);
    // 動(dòng)畫監(jiān)聽事件
    set.setAnimationListener(new AnimationListener() {
      // 動(dòng)畫的開始
      @Override
      public void onAnimationStart(Animation animation) {
        v.setVisibility(View.VISIBLE);
      }

      @Override
      public void onAnimationRepeat(Animation animation) {
        // TODO Auto-generated method stub
      }

      // 動(dòng)畫的結(jié)束
      @Override
      public void onAnimationEnd(Animation animation) {
        v.setVisibility(View.GONE);
        buyNum++;//讓購買數(shù)量加1
        buyNumView.setText(buyNum + "");//
        buyNumView.setBadgePosition(BadgeView.POSITION_TOP_RIGHT);
        buyNumView.show();
      }
    });
}

private View addViewToAnimLayout(final ViewGroup parent, final View view,
      int[] location) {
    int x = location[0];
    int y = location[1];
    LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(
        LinearLayout.LayoutParams.WRAP_CONTENT,
        LinearLayout.LayoutParams.WRAP_CONTENT);
    lp.leftMargin = x;
    lp.topMargin = y;
    view.setLayoutParams(lp);
    return view;
  }