Android ListView中带有时间数据的排序

public class MainActivity extends Activity {

private ListView mListView = null;
private List<TestDate> mList = null;

@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mListView = (ListView) this.findViewById(R.id.main_listView);
mList = new ArrayList<TestDate>();
initData();
Collections.sort(mList, new Comparator<TestDate>() {
/**
*
* @param lhs
* @param rhs
* @return an integer < 0 if lhs is less than rhs, 0 if they are
*         equal, and > 0 if lhs is greater than rhs,比较数据大小时,这里比的是时间
*/
@Override
public int compare(TestDate lhs, TestDate rhs) {
Date date1 = DateUtil.stringToDate(lhs.getDate());
Date date2 = DateUtil.stringToDate(rhs.getDate());
// 对日期字段进行升序，如果欲降序可采用after方法
if (date1.before(date2)) {
return 1;
}
return -1;
}
});
mListView.setAdapter(new MyAdapter(this, mList));
}

private void initData() {
mList.add(new TestDate("2012-12-12 12:30", "zhangsan"));
mList.add(new TestDate("2012-12-12 10:20", "lisi"));
mList.add(new TestDate("2012-12-11 10:21", "lisi"));
mList.add(new TestDate("2012-12-11 10:20", "lisi"));
mList.add(new TestDate("2012-12-13 01:03", "wangwu"));
mList.add(new TestDate("2012-12-10 02:04", "zhaoliu"));
mList.add(new TestDate("2012-12-15 23:00", "tianqi"));
mList.add(new TestDate("2012-11-12 22:30", "wangwu"));
mList.add(new TestDate("2012-12-17 08:24", "shimei"));
mList.add(new TestDate("2012-11-10 11:10", "shisanmei"));
mList.add(new TestDate("2012-12-18 16:50", "wangan"));
mList.add(new TestDate("2012-12-19 18:00", "wangjiu"));
mList.add(new TestDate("2012-12-20 19:30", "wusi"));
mList.add(new TestDate("2012-12-20 19:30", "wusi"));
}
}

public class DateUtil {

public static Date stringToDate(String dateString) {
ParsePosition position = new ParsePosition(0);
SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm");
Date dateValue = simpleDateFormat.parse(dateString, position);
return dateValue;
}

}

public class MyAdapter extends BaseAdapter {

private Context mContext;
private List<TestDate> mList;

public MyAdapter(Context context, List<TestDate> list) {
this.mContext = context;
this.mList = list;
}

@Override
public int getCount() {
return mList != null ? mList.size() : 0;
}

@Override
public Object getItem(int position) {
return mList.get(position);
}

@Override
public long getItemId(int position) {
return position;
}

@Override
public View getView(int position, View convertView, ViewGroup parent) {
ViewHolder holder = null;
if (convertView == null) {
convertView = (LinearLayout) LayoutInflater.from(mContext).inflate(
R.layout.main_item, null);
holder = new ViewHolder();
holder.textView1 = (TextView) convertView
.findViewById(R.id.item_textView1);
holder.textVeiw2 = (TextView) convertView
.findViewById(R.id.item_textView2);
convertView.setTag(holder);
} else {
holder = (ViewHolder) convertView.getTag();
}

holder.textView1.setText(mList.get(position).getDate());
holder.textVeiw2.setText(mList.get(position).getName());

return convertView;
}

private class ViewHolder {
private TextView textView1;
private TextView textVeiw2;
}

}

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent" >

<ListView
android:id="@+id/main_listView"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_centerHorizontal="true"
android:layout_centerVertical="true"
tools:context=".MainActivity" />

</RelativeLayout>

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="horizontal" >

<TextView
android:id="@+id/item_textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_vertical"
android:layout_margin="10dp" />

<TextView
android:id="@+id/item_textView2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_vertical" />

</LinearLayout>

public class TestDate {

private String date;
private String name;

public String getDate() {
return date;
}

public String getName() {
return name;
}

public TestDate(String date, String name) {
this.date = date;
this.name = name;
}

}