Android自定义侧滑菜单slidmenu(3)

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();
 }

 /**
  * @param velocity
  * 判断菜单的打开或关闭
  */
 private void showVelocityMenuView(int velocity) {
  if (velocity > 0) {
   if (velocity > SNAP_VELOCITY) {
    smoothScrollTo(-(menuWidth + mSlidView.getScrollX()));
    setMenuState();
   } else {
    if (mSlidView.getScrollX() > -ConstantQuantity.screenWidth / 2) {
     smoothScrollTo(-mSlidView.getScrollX());
    } else {
     smoothScrollTo(-(menuWidth + mSlidView.getScrollX()));
     setMenuState();
    }
   }
  }

if (velocity < 0) {
   if (velocity < -SNAP_VELOCITY) {
    smoothScrollTo(-mSlidView.getScrollX());
    setMenuState();
   } else {
    if (mSlidView.getScrollX() > -ConstantQuantity.screenWidth / 2) {
     smoothScrollTo(-mSlidView.getScrollX());
    } else {
     smoothScrollTo(-(menuWidth + mSlidView.getScrollX()));
     setMenuState();
    }
   }
  }

if (velocity == 0) {
   if (mSlidView.getScrollX() > -(ConstantQuantity.screenWidth - ConstantQuantity.screenDensity * 50) / 2) {
    smoothScrollTo(-mSlidView.getScrollX());
   } else {
    smoothScrollTo(-(menuWidth + mSlidView.getScrollX()));
    setMenuState();
   }
  }
 }
 
 /**
  * 去打开或者关闭菜单界面
  */
 public void openMenuView() {
  menuWidth = getMenuViewWidth();
  if (mSlidView.getScrollX() == 0) {
   // mMenuView.setVisibility(View.VISIBLE);
   smoothScrollTo(-menuWidth);
   setMenuState();
  } else if (mSlidView.getScrollX() == -menuWidth) {
   smoothScrollTo(menuWidth);
   setMenuState();
  }
 }
 
 /**
  * 真正的实现打开与关闭的滑动效果
  * @param distanceX
  */
 private void smoothScrollTo(int distanceX) {
  mScroller.startScroll(mSlidView.getScrollX(), 0,
    distanceX, 0, ConstantQuantity.DURATION_TIME);
  invalidate();
 }
 
 /**
  * 设置菜单打开或关闭状态
  */
 private void setMenuState() {
  if (menuState == ConstantQuantity.MENU_STATE_CLOSE) {
   menuState = ConstantQuantity.MENU_STATE_OPEN;
   // mSlidView.setEnabled(false);
   System.out.println("菜单将打开");
  } else {
   menuState = ConstantQuantity.MENU_STATE_CLOSE;
   // mSlidView.setEnabled(true);
   System.out.println("菜单将关闭");
  }
 }

}

本文DEMO源码下载

------------------------------------------分割线------------------------------------------

免费下载地址在

用户名与密码都是

具体下载目录在 /2015年资料/2月/21日/Android自定义侧滑菜单slidmenu/

下载方法见

------------------------------------------分割线------------------------------------------