java.lang.NullPointerException
at android.view.LayoutInflater.from(LayoutInflater.java:211)
at com.yijiantong.hetaoyougou.xiao.gouwuche.adapter.ShoppingCarAdapter.getGroupView(ShoppingCarAdapter.java:95)
at android.widget.ExpandableListConnector.getView(ExpandableListConnector.java:446)
at android.widget.AbsListView.obtainView(AbsListView.java:2263)
at android.widget.ListView.makeAndAddView(ListView.java:1790)
at android.widget.ListView.fillDown(ListView.java:691)
at android.widget.ListView.fillFromTop(ListView.java:752)
at android.widget.ListView.layoutChildren(ListView.java:1616)
at android.widget.AbsListView.onLayout(AbsListView.java:2091)
at android.view.View.layout(View.java:14817)
at android.view.ViewGroup.layout(ViewGroup.java:4631)
at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1671)
at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1525)
at android.widget.LinearLayout.onLayout(LinearLayout.java:1434)
at android.view.View.layout(View.java:14817)
at android.view.ViewGroup.layout(ViewGroup.java:4631)
public ShoppingCarAdapter(Context contex，t...) {
this.context = context;
...
}
static class GroupViewHolder {
ImageView ivSelect;
TextView tvStoreName;
LinearLayout ll;
GroupViewHolder(View view) {
ivSelect = view.findViewById(R.id.iv_select);
tvStoreName = view.findViewById(R.id.tv_store_name);
ll = view.findViewById(R.id.ll);
}
}
@Override
public View getGroupView(final int groupPosition, final boolean isExpanded, View convertView, ViewGroup parent) {
GroupViewHolder groupViewHolder;
if (convertView == null) {
// View.inflate(context, R.layout.item_shopping_car_group, null);
convertView =LayoutInflater.from(context).inflate(R.layout.item_shopping_car_group,null);
groupViewHolder = new GroupViewHolder(convertView);
convertView.setTag(groupViewHolder);
} else {
groupViewHolder = (GroupViewHolder) convertView.getTag();
}
