private AbstractExpandableDataProvider mProvider;
private  Context context;


public static abstract class MyBaseViewHolder extends AbstractExpandableItemViewHolder {
    public ViewGroup mContainer;
    public View mDragHandle;
    public TextView mTextView;
    public FrameLayout frameLayoutGroup;

    public MyBaseViewHolder(View v) {
        super(v);
        mContainer = (ViewGroup) v.findViewById(R.id.container);
        mDragHandle = v.findViewById(R.id.drag_handle);
        mTextView = (TextView) v.findViewById(android.R.id.text1);
        //frameLayoutGroup=(FrameLayout)v.findViewById(R.id.list)
        // hide the drag handle
        mDragHandle.setVisibility(View.GONE);
    }
}

public static class MyGroupViewHolder extends MyBaseViewHolder {
    public MyGroupViewHolder(View v) {
        super(v);


    }
}

public static class MyChildViewHolder extends MyBaseViewHolder {
    public MyChildViewHolder(View v) {
        super(v);


    }
}

public MyExpandableItemAdapter(AbstractExpandableDataProvider dataProvider) {
    mProvider = dataProvider;

    // ExpandableItemAdapter requires stable ID, and also
    // have to implement the getGroupItemId()/getChildItemId() methods appropriately.
    setHasStableIds(true);
}

@Override
public int getGroupCount() {
    return mProvider.getGroupCount();
}

@Override
public int getChildCount(int groupPosition) {
    return mProvider.getChildCount(groupPosition);
}

@Override
public long getGroupId(int groupPosition) {
    return mProvider.getGroupItem(groupPosition).getGroupId();
}

@Override
public long getChildId(int groupPosition, int childPosition) {
    return mProvider.getChildItem(groupPosition, childPosition).getChildId();
}

@Override
public int getGroupItemViewType(int groupPosition) {
    return 0;
}

@Override
public int getChildItemViewType(int groupPosition, int childPosition) {
    return 0;
}

@Override
public MyGroupViewHolder onCreateGroupViewHolder(ViewGroup parent, int viewType) {
    final LayoutInflater inflater = LayoutInflater.from(parent.getContext());
    final View v = inflater.inflate(R.layout.list_group_item, parent, false);
    return new MyGroupViewHolder(v);
}

@Override
public MyChildViewHolder onCreateChildViewHolder(ViewGroup parent, int viewType) {
    final LayoutInflater inflater = LayoutInflater.from(parent.getContext());
    final View v = inflater.inflate(R.layout.list_item, parent, false);
    return new MyChildViewHolder(v);
}

@Override
public void onBindGroupViewHolder(MyGroupViewHolder holder, int groupPosition, int viewType) {
    // child item
    final AbstractExpandableDataProvider.BaseData item = mProvider.getGroupItem(groupPosition);

    // set text
    holder.mTextView.setText(item.getText());

    // mark as clickable
    //holder.itemView.setClickable(true);
   // if(groupPosition==0){
   //     holder.itemView.setEnabled(false);
   // }


    // set background resource (target view ID: container)
    final int expandState = holder.getExpandStateFlags();

    if ((expandState & RecyclerViewExpandableItemManager.STATE_FLAG_IS_UPDATED) != 0) {
        int bgResId;

        if ((expandState & RecyclerViewExpandableItemManager.STATE_FLAG_IS_EXPANDED) != 0 ) {
            bgResId = R.drawable.bg_group_item_expanded_state;
        } else {
            bgResId = R.drawable.bg_group_item_normal_state;
        }

        holder.mContainer.setBackgroundResource(bgResId);
    }


    if(mProvider.getGroupItem(groupPosition).getGroupId()==5){
        holder.itemView.findViewById(R.id.container).setBackgroundColor(Color.TRANSPARENT);
    }
    //if(groupPosition==0){
    //    holder.itemView.findViewById(R.id.container).setBackgroundColor(Color.TRANSPARENT);
   // }



}

@Override
public void onBindChildViewHolder(MyChildViewHolder holder, int groupPosition, int childPosition, int viewType) {
    // group item
    final AbstractExpandableDataProvider.ChildData item = mProvider.getChildItem(groupPosition, childPosition);

    // set text
    holder.mTextView.setText(item.getText());

    // set background resource (target view ID: container)
    int bgResId;
    bgResId = R.drawable.bg_item_normal_state;
    holder.mContainer.setBackgroundResource(bgResId);
}

@Override
public boolean onCheckCanExpandOrCollapseGroup(MyGroupViewHolder holder, int groupPosition, int x, int y, boolean expand) {
    // check the item is *not* pinned
    if (mProvider.getGroupItem(groupPosition).isPinnedToSwipeLeft()) {
        // return false to raise View.OnClickListener#onClick() event
        return false;
    }

    // check is enabled
  //  if (!(holder.itemView.isEnabled() && holder.itemView.isClickable()||groupPosition==0)) {
    //    return false;
   // }
    if(groupPosition==0){
        return false;
    }

    final View containerView = holder.mContainer;
    final View dragHandleView = holder.mDragHandle;

    final int offsetX = containerView.getLeft() + (int) (ViewCompat.getTranslationX(containerView) + 0.5f);
    final int offsetY = containerView.getTop() + (int) (ViewCompat.getTranslationY(containerView) + 0.5f);

    return !ViewUtils.hitTest(dragHandleView, x - offsetX, y - offsetY);
}