no message

app/src/main/res/layout/fragment_index_shangpin.xml

@@ -8,6 +8,8 @@
     <LinearLayout
         android:layout_width="match_parent"
         android:layout_height="match_parent"
+        android:focusable="true"
+        android:focusableInTouchMode="true"
         android:orientation="vertical">