android中自動匹配框AutoCompleteTextView用法

AutoCompleteTextView是android中內建的實現自動匹配輸入的一個控制項！具體用法如下：

 

 1.Activity檔案：
    import android.app.Activity;
    import android.os.Bundle;
    import android.widget.ArrayAdapter;
    import android.widget.AutoCompleteTextView;

    public class AutocompleteTV extends Activity {
   
    String names[]={"zhangsan","lisi","wangwu","ligang"};
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        AutoCompleteTextView autoTV=(AutoCompleteTextView)findViewById(R.id.autocomplete);
        ArrayAdapter<String> contact=new ArrayAdapter<String>(this,      android.R.layout.simple_dropdown_item_1line,names );
        autoTV.setAdapter(contact);
       
       }
  }

2.main.XML布局檔案：
      <?xml version="1.0" encoding="utf-8"?>
      <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
         android:orientation="vertical"
         android:layout_width="fill_parent"
         android:layout_height="wrap_content" >
  
         <AutoCompleteTextView android:id="@+id/autocomplete"      
              android:layout_width="fill_parent"
              android:layout_height="wrap_content"
              android:completionThreshold="1"
              android:hint="@string/input"  />
        </LinearLayout>
3.String檔案

     <?xml version="1.0" encoding="utf-8"?>
     <resources>
          <string name="input">請輸入連絡人</string>
         <string name="app_name">AutoCompleteTV</string>   
     </resources>