刷新崩itemDrawer

Question

我正在使用至极MaterialDrawer Library我设置我的抽屉被倒塌的项目得到thier名字和他们的子项对火力地堡数据库名称

但是当我添加一个子项但这并没有出现直到我折叠和再次expande塌陷项目i如何notife它从GitHub

RootRef.addChildEventListener(new ChildEventListener() { 
     @Override 
     public void onChildAdded(DataSnapshot dataSnapshot, String s) { 
      final int[] t = {0}; 
      Log.i("s =", String.valueOf(dataSnapshot.getKey())); 
      final ExpandableDrawerItem IntentItemDrawer; 

      result.addItem(IntentItemDrawer = new ExpandableDrawerItem() 
        .withName(String.valueOf(dataSnapshot.getKey())) 
        .withIcon(GoogleMaterial.Icon.gmd_collection_case_play) 
        .withIdentifier(t[0]++).withSelectable(false) 
        .withSubItems()); 

      RootRef.child(String.valueOf(dataSnapshot.getKey())) 
        .addChildEventListener(new ChildEventListener() { 
       @Override 
       public void onChildAdded(DataSnapshot dataSnapshot, String s) { 
        IntentItemDrawer.withSubItems(new SecondaryDrawerItem() 
          .withName(String.valueOf(dataSnapshot.getKey())) 
          .withLevel(2) 
          .withIcon(GoogleMaterial.Icon.gmd_8tracks) 
          .withIdentifier(t[ 

Answer 1

实施例添加数据时：

//modify an item of the drawer 
 
item1.withName("A new name for this drawerItem").withBadge("19").withBadgeStyle(new BadgeStyle().withTextColor(Color.WHITE).withColorRes(R.color.md_red_700)); 
 
//notify the drawer about the updated element. it will take care about everything else 
 
result.updateItem(item1);

result.updateItem（/ 您的项目 /）;

展开视图尝试这一行：

result.getAdapter（）toggleExpandable（位置）;