and8

    @Override
    protected void dispatchDraw(Canvas canvas) {
        super.dispatchDraw(canvas);

        if (mDragging && mDragBitmap != null) {
            if (mAnimationState == ANIMATION_STATE_STARTING) {
                mAnimationStartTime = SystemClock.uptimeMillis();
                mAnimationState = ANIMATION_STATE_RUNNING;
            }

            if (mAnimationState == ANIMATION_STATE_RUNNING) {
                float normalized = (float) (SystemClock.uptimeMillis() - mAnimationStartTime) /
                        mAnimationDuration;
                if (normalized >= 1.0f) {
                    mAnimationState = ANIMATION_STATE_DONE;
                }
                normalized = Math.min(normalized, 1.0f);
                final float value = mAnimationFrom  + (mAnimationTo - mAnimationFrom) * normalized;

                switch (mAnimationType) {
                    case ANIMATION_TYPE_SCALE:
                        final Bitmap dragBitmap = mDragBitmap;
                        mDragPaint = mTranslucence;                       
                        canvas.save();
                        canvas.translate(mScrollX + mLastMotionX - mTouchOffsetX - mBitmapOffsetX,
                                mScrollY + mLastMotionY - mTouchOffsetY - mBitmapOffsetY);
                        canvas.translate((dragBitmap.getWidth() * (1.0f - value)) / 2,
                                (dragBitmap.getHeight() * (1.0f - value)) / 2);
                        canvas.scale(value, value);
                        canvas.drawBitmap(dragBitmap, 0.0f, 0.0f, mDragPaint);
                        canvas.restore();
                        break;
                }
            } else {
               //AAA
                //calculate.setGroupHeight(groupNavi.getHeight());
                drawCanUseSpace(canvas);
                drawWingsImg(canvas);           
                canvas.drawBitmap(mDragBitmap,
                        mScrollX + mLastMotionX - mTouchOffsetX - mBitmapOffsetX,
                        mScrollY + mLastMotionY - mTouchOffsetY - mBitmapOffsetY, mDragPaint);
            }
        //AAAA
        } else {
            if (needWingsAnimation) {
                drawWingsImg(canvas);                
            }
        }
    }
   
    private void endDrag() {
        if (mDragging) {
           
            //AAA
            setDraging(false);
            //groupNavi.updateFocusGroup(workspace.getCurrentGroup());
            if (workspace.isScrollerFinished()) {
                doWingsAnimation();
            } else {
                if (haveGroupChange) {
                    haveGroupChange = false;
                    doWingsAnimation();
                } else {
                    doNotWingsAnimation();                   
                }
            }
            //
           
            mDragging = false;
            if (mDragBitmap != null) {
                mDragBitmap.recycle();
            }
            if (mOriginator != null) {
   //             mOriginator.setVisibility(VISIBLE);
            }
            if (mListener != null) {
                mListener.onDragEnd();
            }
        }
    }