我使用分段回收视图
在 Head 中只有 TextView 和按钮，在 Item 中只有 LinearLayout。
在这段代码之后：
ViewGroup mContainerParent = (ViewGroup) mainContainerArr.get(section).getParent();
if (mContainerParent != null) {
mContainerParent.removeView(mainContainerArr.get(section));
}
所有的观点都开始转变。我认为需要做一些通知，但我不知道是哪一个。
我尝试过 notifySectionChanged(section)、notifyDataSetChanged() 等，但它不起作用。
代码：
头：
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<TextView
android:id="@+id/details_description_head_text"
android:layout_width="wrap_content"
android:layout_height="wrap_content"/>
<ImageView
android:id="@+id/details_description_head_caret"
android:layout_width="wrap_content"
android:layout_height="wrap_content"/>
</RelativeLayout>
物品：
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
android:id="@+id/details_description_main_container"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
</LinearLayout>
适配器：
public class QuestDetailsRecyclerAdapter extends SectionedRecyclerViewAdapter<QuestDetailsRecyclerHolder> {
private ArrayList<String> headTitleArr;
private ArrayList<LinearLayout> mainContainerArr;
int addSection(
String head,
LinearLayout container
) {
// Add section
headTitleArr.add(head);
mainContainerArr.add(container);
// Notify
notifyDataSetChanged();
return mainContainerArr.size() - 1;
}
QuestDetailsRecyclerAdapter(
ArrayList<String> headTitleArr,
ArrayList<LinearLayout> mainContainerArr
) {
this.headTitleArr = headTitleArr;
this.mainContainerArr = mainContainerArr;
}
@Override
public int getSectionCount() {
return headTitleArr.size();
}
@Override
public int getItemCount(int section) {
return mainContainerArr.get(section).getChildCount();
}
@Override
public void onBindHeaderViewHolder(
QuestDetailsRecyclerHolder holder,
int section,
boolean expanded
) {
holder.title.setText(headTitleArr.get(section));
}
@Override
public void onBindViewHolder(
QuestDetailsRecyclerHolder holder,
int section,
int relativePosition,
int absolutePosition
) {
// Delete old parent if exists
ViewGroup mContainerParent = (ViewGroup) mainContainerArr.get(section).getParent();
if (mContainerParent != null) {
mContainerParent.removeView(mainContainerArr.get(section));
}
// Add container (layout)
holder.mainContainer.addView(mainContainerArr.get(section));
}
@Override
public QuestDetailsRecyclerHolder onCreateViewHolder(ViewGroup parent, int viewType) {
// Get layout id
int layoutId;
switch (viewType) {
case VIEW_TYPE_HEADER:
layoutId = R.layout.details_description_header;
break;
case VIEW_TYPE_ITEM:
layoutId = R.layout.details_description_main;
break;
default:
layoutId = R.layout.details_description_main;
}
// Inflate layout
View view = LayoutInflater.from(parent.getContext())
.inflate(layoutId, parent, false);
return new QuestDetailsRecyclerHolder(view, this);
}
}