<LinearLayout 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"

     android:orientation="vertical"

     tools:context="com.example.top5_2.MainActivity" >

      <EditText

         android:layout_width="fill_parent"

         android:layout_height="wrap_content"

         android:paddingLeft="5dp"

         android:background="#FFA500"

         android:textSize="16sp"

         android:drawableLeft="@drawable/ic_launcher"

         android:text="多匹配自动补全演示" />

    <MultiAutoCompleteTextView

       android:id="@+id/ed"

       android:layout_width="fill_parent"

       android:layout_height="wrap_content"

       style="@android:attr/textViewStyle"

       android:hint="请输入单词"

       android:layout_marginTop="10dp"

       android:completionThreshold="2"

       />

 </LinearLayout>

 public class MainActivity extends Activity {

     private MultiAutoCompleteTextView mct;

     private static final String[] words={"abc","acd","ade"};

     @Override

     protected void onCreate(Bundle savedInstanceState) {

         super.onCreate(savedInstanceState);

         setContentView(R.layout.activity_main);

         mct=(MultiAutoCompleteTextView) findViewById(R.id.ed);

     ArrayAdapter<String> aa=new ArrayAdapter<String>(this,

             android.R.layout.simple_dropdown_item_1line,words);

     mct.setAdapter(aa);

     mct.setTokenizer(new MultiAutoCompleteTextView.CommaTokenizer());

     }

     public boolean onCreateOptionsMenu(Menu menu){

         getMenuInflater().inflate(R.menu.main, menu);

         return true;

     }