<resources>
 <string name="app_name">MyListView</string>
 <string-array name="language">
 <item>Java</item>
 <item>C</item>
 <item>C++</item>
 <item>PHP</item>
 </string-array>

<?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="vertical">
 <ListView
 android:id="@android:id/list"
 android:layout_width="fill_parent"
 android:layout_height="0dip"
 android:layout_weight="1" />
 <LinearLayout
 android:layout_width="wrap_content"
 android:layout_height="wrap_content"
 android:orientation="horizontal">
 <EditText
  android:id="@+id/addLangEdit"
  android:layout_width="200px"
  android:layout_height="wrap_content" />
 <Button 
  android:id="@+id/addButton"
  android:layout_width="wrap_content"
  android:layout_height="wrap_content"
  android:text="添加" />
 </LinearLayout>
</LinearLayout>

public class MyListView extends ListActivity {
 private ArrayAdapter<CharSequence> mAdapter;
 private ListView mListView;
 private EditText mLanguageText;
 private Button mAddButton;
 
 /** Called when the activity is first created. */
 @Override
 public void onCreate(Bundle savedInstanceState) {
 super.onCreate(savedInstanceState);
 setContentView(R.layout.mylist1);
 
 //get the view
 mListView = getListView();
 mLanguageText = (EditText) findViewById(R.id.addLangEdit);
 mAddButton = (Button) findViewById(R.id.addButton);
 
 //array adapter created from string array resources
 mAdapter = ArrayAdapter.createFromResource(
  this, 
  R.array.language, 
  android.R.layout.simple_list_item_1);
 //set the adapter
 mListView.setAdapter(mAdapter);
 
 //add listener
 mAddButton.setOnClickListener(mOnClickListener);
 }
 
 private OnClickListener mOnClickListener = new View.OnClickListener() {
 @Override
 public void onClick(View v) {
  String text = mLanguageText.getText().toString();
  if(null == text || "".equals(text.trim())) {
  Toast.makeText(MyListView.this, "输入不能为空", Toast.LENGTH_SHORT).show();
  }else {
  mAdapter.add(text);
  mAdapter.notifyDataSetChanged();
  mLanguageText.setText("");
  }
 }
 };
}

public class ArrayAdapter<T> extends BaseAdapter implements Filterable {
　　 // 代表ArrayAdapter中的数据
 private List<T> mObjects;
 // 其他fields
 
 public ArrayAdapter(Context context, int textViewResourceId, List<T> objects) {
 init(context, textViewResourceId, 0, objects);
 }

 public ArrayAdapter(Context context, int textViewResourceId, T[] objects) {
 // 注意这里的Arrays.asList(...)方法！！！
 init(context, textViewResourceId, 0, Arrays.asList(objects)); 
 }

 public static ArrayAdapter<CharSequence> createFromResource(Context context,
  int textArrayResId, int textViewResId) {
 CharSequence[] strings = context.getResources().getTextArray(textArrayResId);
 return new ArrayAdapter<CharSequence>(context, textViewResId, strings);
 }

 private void init(Context context, int resource, int textViewResourceId, List<T> objects) {
 mContext = context;
 mInflater = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
 mResource = mDropDownResource = resource;
 mObjects = objects;
 mFieldId = textViewResourceId;
 }

 public void add(T object) {
 if (mOriginalValues != null) {
  synchronized (mLock) {
  mOriginalValues.add(object);
  if (mNotifyOnChange) notifyDataSetChanged();
  }
 } else {
  mObjects.add(object); // 若该mObjects为固定长度List，此处将抛异常！！！
  if (mNotifyOnChange) notifyDataSetChanged();
 }
 }
 // 其他方法
}

/**
 * 
 * @author CodingMyWorld
 * 2011-7-31 下午04:43:48
 */
public class MyListView extends ListActivity {
 private ArrayAdapter<CharSequence> mAdapter;
 private ListView mListView;
 private EditText mLanguageText;
 private Button mAddButton;
 
 /** Called when the activity is first created. */
 @Override
 public void onCreate(Bundle savedInstanceState) {
 super.onCreate(savedInstanceState);
 setContentView(R.layout.mylist1);
 
 //get the view
 mListView = getListView();
 mLanguageText = (EditText) findViewById(R.id.addLangEdit);
 mAddButton = (Button) findViewById(R.id.addButton);
 
 //array adapter created from string array resources
 List<CharSequence> objects = new ArrayList<CharSequence>(
  Arrays.asList(getResources().getTextArray(R.array.language)));
 mAdapter = new ArrayAdapter<CharSequence>(
  this, 
  android.R.layout.simple_list_item_1, 
  objects);
 //set the adapter
 mListView.setAdapter(mAdapter);
 
 //add listener
 mAddButton.setOnClickListener(mOnClickListener);
 }
 
 private OnClickListener mOnClickListener = new View.OnClickListener() {
 @Override
 public void onClick(View v) {
  String text = mLanguageText.getText().toString();
  if(null == text || "".equals(text.trim())) {
  Toast.makeText(MyListView.this, "输入不能为空", Toast.LENGTH_SHORT).show();
  }else {
  mAdapter.add(text);
  mAdapter.notifyDataSetChanged(); //not required 
  mLanguageText.setText("");
  }
 }
 };
}