cannot solve scroll view

app/src/main/java/pmv02/ppr/yuichi10/github/com/joinevents/Home.java

@@ -1,22 +1,59 @@
 package pmv02.ppr.yuichi10.github.com.joinevents;
 
 import android.app.Activity;
+import android.app.ListActivity;
 import android.content.Intent;
 import android.os.Bundle;
 import android.util.Log;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ArrayAdapter;
+import android.widget.ListAdapter;
+import android.widget.ListView;
 import android.widget.TextView;
 
+import java.util.List;
+
 /**
  * Created by yuichi on 8/20/15.
  */
-public class Home extends Activity{
+public class Home extends Activity {
+    ArrayAdapter<String> adapter;
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.home);
         Log.d("Intent", "success");
         Intent intent = getIntent();
+        adapter = new ArrayAdapter<String>(this, R.layout.colmun_home_list);
+        getGroups();
+        ListView listView = (ListView)this.findViewById(R.id.homeList);
+        getListMountHeight(listView);
+        listView.setAdapter(adapter);
+    }
+
+    public void getListMountHeight(ListView lv){
+        ListAdapter la = lv.getAdapter();
+        if (la == null)
+        {
+            return;
+        }
+        int height = 0;
+
+        for(int i=0; i < la.getCount(); i++){
+            View item = la.getView(i, null, lv);
+            item.measure(0,0);
+            height += item.getHeight();
+        }
+        ViewGroup.LayoutParams p = lv.getLayoutParams();
+        p.height = height + (lv.getDividerHeight() * (la.getCount() - 1));
+        lv.setLayoutParams(p);
+    }
 
-        TextView tv = (TextView)findViewById(R.id.homeText);
+    //get groups from server
+    public void getGroups(){
+        for(int i=0; i < 10; ++i){
+            adapter.add("aaaaaaa" + i);
+        }
     }
 }

app/src/main/res/layout/colmun_home_list

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<TextView xmlns:android="http://schemas.android.com/apk/res/android"
+    android:text="@+id/TextView01" android:id="@+id/TextView01"
+    android:layout_width="wrap_content"
+    android:layout_height="50dp">
+
+</TextView>

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

@@ -3,10 +3,21 @@
     android:orientation="vertical" android:layout_width="match_parent"
     android:layout_height="match_parent">
 
-    <TextView
-        android:id="@+id/homeText"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:text="Hello Home"/>
+    <ScrollView
+        android:layout_width="match_parent"
+        android:layout_height="500dp">
+
+        <ListView
+            android:id="@+id/homeList"
+            android:choiceMode="singleChoice"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent" />
+
+    </ScrollView>
+    <Button
+        android:id="@+id/homeMakeGrope"
+        android:layout_width="match_parent"
+        android:layout_height="50dp"
+        android:text="Make New Group" />
 
 </LinearLayout>