所以我已经使用this method在我的recyclerview中实现了两个标题,但是我这样做的方式我认为是正确的。对于我的两个标题,我已经膨胀了两个单独的布局,这实际上是不必要的,因为我可以使用我的recyclerview中的所有项目的布局,也膨胀布局是昂贵的。我将如何改变文本
这是我的适配器代码:
public class RecyclerViewAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
private static final int TYPE_HEADER = 0;
private static final int TYPE_HEADER2 = 11;
private static final int TYPE_ITEM = 1;
List<Information> data = Collections.emptyList();
LayoutInflater inflater;
public RecyclerViewAdapter(RecyclerViewTesting recyclerViewTesting, List<Information> data) {
this.data = data;
}
@Override
public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
if (viewType == TYPE_HEADER) {
return new VHHeader(LayoutInflater.from(parent.getContext()).inflate(R.layout.recycler_view_custom_row_header_one, parent, false));
}
if (viewType == TYPE_HEADER2) {
return new VHHeader(LayoutInflater.from(parent.getContext()).inflate(R.layout.recycler_view_custom_row_header_two, parent, false));
}
return new VHItem(LayoutInflater.from(parent.getContext()).inflate(R.layout.recycler_view_custom_row, parent, false));
}
@Override
public void onBindViewHolder(RecyclerView.ViewHolder holder, int position) {
if (holder instanceof VHItem) {
Information item = getItem(position);
((VHItem) holder).title.setText(item.title);
} else if (holder instanceof VHHeader) {
}
}
@Override
public int getItemCount() {
return data.size() + 1;
}
@Override
public int getItemViewType(int position) {
if (isPositionHeader(position)){
return TYPE_HEADER;
}
if (isPositionHeader2(position)){
return TYPE_HEADER2;
}
return TYPE_ITEM;
}
private boolean isPositionHeader2(int position) { return position == 11;
}
private boolean isPositionHeader(int position) {
return position == 0;
}
private Information getItem(int position) {
return data.get(position - 1);
}
class VHItem extends RecyclerView.ViewHolder {
TextView title;
ImageView icon;
public VHItem(View itemView) {
super(itemView);
title = (TextView) itemView.findViewById(R.id.listText);
icon = (ImageView) itemView.findViewById(R.id.listIcon);
}
}
class VHHeader extends RecyclerView.ViewHolder {
TextView title;
ImageView icon;
public VHHeader(View itemView) {
super(itemView);
title = (TextView) itemView.findViewById(R.id.listText);
}
}
}
非常感谢任何帮助!