<?xml version="1.0" encoding="utf-8"?>
<android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android"
  android:id="@+id/drawer_layout"
  android:layout_width="match_parent"
  android:layout_height="match_parent"
  android:fitsSystemWindows="true">

  <FrameLayout
    android:id="@+id/main_content"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:fitsSystemWindows="true">

    <TextView
      android:id="@+id/screenTv"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:layout_gravity="center|top"
      android:layout_marginTop="200dp"
      android:text="仿京东筛选"
      android:textSize="20sp" />
  </FrameLayout>

  <LinearLayout
    android:id="@+id/nav_view"
    android:layout_width="wrap_content"
    android:layout_height="match_parent"
    android:layout_gravity="end"
    android:fitsSystemWindows="true"
    android:orientation="vertical" />

</android.support.v4.widget.DrawerLayout>

menuHeaderView = new RightSideslipLay(ScreeningActivity.this);
navigationView.addView(menuHeaderView);

/**

 * 创建PopupWindow
 */
private PopupWindow mMenuPop;
public RightSideslipChildLay mDownMenu;

protected void initPopuptWindow(List<AttrList.Attr.Vals> mSelectData) {
  mDownMenu = new RightSideslipChildLay(getContext(), ValsData, mSelectData);
  if (mMenuPop == null) {
    mMenuPop = new PopupWindow(mDownMenu, LinearLayout.LayoutParams.FILL_PARENT, LinearLayout.LayoutParams.FILL_PARENT);
  }
  mMenuPop.setBackgroundDrawable(new BitmapDrawable());
  mMenuPop.setAnimationStyle(R.style.popupWindowAnimRight);
  mMenuPop.setFocusable(true);
  mMenuPop.showAtLocation(RightSideslipLay.this, Gravity.TOP, 100, UiUtils.getStatusBarHeight(mCtx));
  mMenuPop.setOnDismissListener(new PopupWindow.OnDismissListener() {

    @Override
    public void onDismiss() {
      dismissMenuPop();
    }
  });
}