? switch (action) {
? case MotionEvent.ACTION_DOWN:
? ?if (!mScroller.isFinished()) {
? ? mScroller.abortAnimation();
? ?}
? ?mLastMotionX = x;
? ?mLastMotionY = y;
? ?System.out.println("mSlidView-scrollX-->" + mSlidView.getScrollX());
? ?System.out.println("mMenuView-Width-->" + getMenuViewWidth());
? ?if (mSlidView.getScrollX() == -getMenuViewWidth()
? ? ?&& mLastMotionX < getMenuViewWidth()) {
? ? // return false;
? ?}

? ?break;
? case MotionEvent.ACTION_MOVE:
? ?if (mIsBeingDragged) {
? ? float delateX = mLastMotionX - x;
? ? mLastMotionX = x;
? ? if (!(mSlidView.getScrollX() < 0)) {
? ? ?if (delateX > 0) {
? ? ? break;
? ? ?}
? ? }

? ? if ((mSlidView.getScrollX() <= 0)
? ? ? && (mSlidView.getScrollX() >= -(ConstantQuantity.screenWidth - ConstantQuantity.screenDensity * 50))) {
? ? ?mSlidView.scrollBy((int) delateX, 0);
? ? }

? ? System.out.println("delateX--->" + delateX);
? ? System.out.println("mSlidView.ScrollX--->"
? ? ? + mSlidView.getScrollX());
? ?}

? ?if (mSlidView.getScrollX() >= 0) {
? ? return false;
? ?}

? ?if (mSlidView != null) {
? ? bgShade.scrollTo(mSlidView.getScrollX() + 10, 0);
? ?}
? ?break;
? case MotionEvent.ACTION_CANCEL:
? case MotionEvent.ACTION_UP:
? ?int velocityX = 0;
? ?if (mVelocityTracker != null) {
? ? mVelocityTracker.addMovement(event);
? ? mVelocityTracker.computeCurrentVelocity(1000);
? ? velocityX = (int) mVelocityTracker.getXVelocity();
? ?}
? ?//当离开屏幕时根据滑动的速度来判断菜单是否打开或关闭
? ?showVelocityMenuView(velocityX);
? ?if (mVelocityTracker != null) {
? ? mVelocityTracker.recycle();
? ? mVelocityTracker = null;
? ?}
? ?break;
? }

? return true;
?}

?/**
? * @param view
? * 设置侧边菜单布局
? */
?public void setMenuView(View view) {
? LayoutParams behindParams = new LayoutParams(LayoutParams.WRAP_CONTENT,
? ? LayoutParams.MATCH_PARENT);
? addView(view, behindParams);
? mMenuView = view;

?}

?/**
? * @param view
? * 设置中间滑动布局 设置中间滑动布局的同时，增加一个背景布局，用来显示侧边阴影！增加层级立体效果
? */
?public void setSlidView(View view) {
? LayoutParams bgShadeParams = new LayoutParams(
? ? ConstantQuantity.screenWidth, ConstantQuantity.screenHeight);
? bgShadeParams.addRule(RelativeLayout.CENTER_IN_PARENT);
? bgShade.setLayoutParams(bgShadeParams);

? LayoutParams bgParams = new LayoutParams(ConstantQuantity.screenWidth,
? ? ConstantQuantity.screenHeight - 48);
? bgParams.addRule(RelativeLayout.CENTER_IN_PARENT);

? View bgShadeContent = new View(mContext);

? bgShadeContent.setBackgroundResource(R.drawable.view_left_bg);

? bgShade.removeAllViews();
? bgShade.addView(bgShadeContent, bgParams);
? if (getChildCount() > 1) {
? ?removeViewAt(1);
? ?removeViewAt(1);
? }

? addView(bgShade, bgParams);

? LayoutParams aboveParams = new LayoutParams(LayoutParams.MATCH_PARENT,
? ? LayoutParams.MATCH_PARENT);
? addView(view, aboveParams);
? mSlidView = view;
? mSlidView.bringToFront();
? System.out.println(getChildCount());
?}

?/**
? * @return 获得菜单的宽度
? */
?private int getMenuViewWidth() {
? if (mMenuView == null) {
? ?return 0;
? }
? return mMenuView.getWidth();
?}