update

OneToOne/src/main/java/com/shayu/onetoone/adapter/GiftListAdapter.java

@@ -14,14 +14,17 @@ import com.shayu.onetoone.R;
 import com.shayu.onetoone.bean.GiftBean;
 import com.yunbao.common.glide.ImgLoader;
 
+import java.util.ArrayList;
 import java.util.List;
 
 public class GiftListAdapter extends RecyclerView.Adapter<GiftListAdapter.ViewHolder> {
     private Context mContext;
     private List<GiftBean> list;
+    private int selectPosition = 0;
 
     public GiftListAdapter(Context mContext) {
         this.mContext = mContext;
+        list = new ArrayList<>();
     }
 
     public void setList(List<GiftBean> list) {
@@ -45,7 +48,7 @@ public class GiftListAdapter extends RecyclerView.Adapter<GiftListAdapter.ViewHo
         return list.size();
     }
 
-    public static class ViewHolder extends RecyclerView.ViewHolder {
+    public class ViewHolder extends RecyclerView.ViewHolder {
         private ImageView giftIcon;
         private TextView giftName;
         private TextView money;
@@ -56,9 +59,10 @@ public class GiftListAdapter extends RecyclerView.Adapter<GiftListAdapter.ViewHo
             giftIcon = itemView.findViewById(R.id.gift_icon);
             giftName = itemView.findViewById(R.id.gift_name);
             money = itemView.findViewById(R.id.money);
-            select.findViewById(R.id.bg_select);
+            select = itemView.findViewById(R.id.bg_select);
             itemView.setOnClickListener(v -> {
-                select.setVisibility(View.VISIBLE);
+                selectPosition = getAbsoluteAdapterPosition();
+                notifyDataSetChanged();
             });
         }
 
@@ -67,6 +71,12 @@ public class GiftListAdapter extends RecyclerView.Adapter<GiftListAdapter.ViewHo
             money.setText(giftBean.getNeedcoin() + "");
             ImgLoader.display(itemView.getContext(), giftBean.getGifticon(), giftIcon);
             select.setVisibility(View.GONE);
+
+            if (position == selectPosition) {
+                select.setVisibility(View.VISIBLE);
+            } else {
+                select.setVisibility(View.GONE);
+            }
         }
     }
 }