no message

app/src/main/java/com/qhclh/ytzh/index/fumudai/ThreeTypeAdapter.java

@@ -5,6 +5,7 @@ import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.BaseAdapter;
+import android.widget.LinearLayout;
 import android.widget.TextView;
 
 import com.qhclh.ytzh.R;
@@ -53,12 +54,18 @@ public class ThreeTypeAdapter extends BaseAdapter {
             viewHolder.item_three_yangzhichang = view.findViewById(R.id.item_three_yangzhichang);
             viewHolder.item_three_item1 = view.findViewById(R.id.item_three_item1);
             viewHolder.item_three_item2 = view.findViewById(R.id.item_three_item2);
+            viewHolder.item_three_ll = view.findViewById(R.id.item_three_ll);
 
             view.setTag(viewHolder);
         }else {
             viewHolder = (ViewHolder) view.getTag();
         }
 
+        if (i%2==0){
+            viewHolder.item_three_ll.setBackgroundColor(context.getResources().getColor(R.color.greyf4f4f4));
+        }else {
+            viewHolder.item_three_ll.setBackgroundColor(context.getResources().getColor(R.color.white));
+        }
         viewHolder.item_three_yangzhichang.setText(message.getYangzhichangname());
         viewHolder.item_three_item1.setText(message.getFirstitem());
         viewHolder.item_three_item2.setText(message.getSeconditem());
@@ -72,5 +79,6 @@ public class ThreeTypeAdapter extends BaseAdapter {
         private TextView item_three_yangzhichang;
         private TextView item_three_item1;
         private TextView item_three_item2;
+        private LinearLayout item_three_ll;
     }
 }

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

@@ -3,7 +3,7 @@
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
     android:orientation="vertical"
-    android:background="@color/white"
+    android:id="@+id/item_three_ll"
     android:padding="@dimen/dp_10">
 
     <TextView