android的AutoCompleteTextView

MainActivity的代碼：

[java]
import android.os.Bundle; 
import android.app.Activity; 
import android.view.Menu; 
import android.widget.ArrayAdapter; 
import android.widget.AutoCompleteTextView; 
 
public class MainActivity extends Activity { 
    final String[] tips=new String[]{"hanhan","hanhan313","hanahn98","hanhan758"}; 
    @Override 
    public void onCreate(Bundle savedInstanceState) { 
        super.onCreate(savedInstanceState); 
        setContentView(R.layout.activity_main); 
        //獲取自動提示控件 
        AutoCompleteTextView actv=(AutoCompleteTextView)findViewById(R.id.actv); 
        ArrayAdapter<String> adapter=new ArrayAdapter<String>(this,android.R.layout.simple_list_item_1,tips); 
        //設置數據適配器 
        actv.setAdapter(adapter); 
    } 
 
    @Override 
    public boolean onCreateOptionsMenu(Menu menu) { 
        getMenuInflater().inflate(R.menu.activity_main, menu); 
        return true; 
    } 
} 
activity_main.xml的配置代碼：

[html] 
<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" > 
 
    <AutoCompleteTextView   www.2cto.com
        android:id="@+id/actv" 
        android:layout_width="fill_parent" 
        android:layout_height="wrap_content" 
        android:textColor="#0000ff" 
        /> 
 
</RelativeLayout>