android_MultiAutoCompleteTextView

package cn.com.sxp;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.MultiAutoCompleteTextView;

public class MultiAutoActivity extends Activity {
    private MultiAutoCompleteTextView autoCom = null;;
    private Button btnClear = null;
    private String[] normalString = null;

    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);

        normalString = new String[] { "android", "android sxp", "sxp", "sxp wx"};

        autoCom = (MultiAutoCompleteTextView) findViewById(R.id.multiAutoCompleteTextView);
        btnClear = (Button) findViewById(R.id.btn);
        
        // simple_dropdown_item_1line
        // android 简单的一些样式，貌似是自定义的
        ArrayAdapter<String> adapter = new ArrayAdapter<String>(this,
                android.R.layout.simple_dropdown_item_1line, normalString);
        
        autoCom.setAdapter(adapter);
        
        // setTokenizer();
        // Sets the Tokenizer 标记生成器 that will be used to determine the relevant range of the text where the user is typing. 
        // CommaTokenizer():
        // 这个简易的组件可以用于一些列表中，这些列表包含被逗号以及一个或数个空格断开的项目。
        // 不太理解，这个方法不加的话没法自动完成文本；添加的话又觉得是废话，列表当然以逗号分隔了
        autoCom.setTokenizer(new MultiAutoCompleteTextView.CommaTokenizer());

        btnClear.setOnClickListener(new OnClickListener() {

            @Override
            public void onClick(View v) {
                // TODO Auto-generated method stub
                autoCom.setText("");
            }

        });
    }
}

XML文件如下：

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

    <TextView
        android:id="@+id/textView"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:layout_gravity="center_horizontal"
        android:text="请输入"
        android:textSize="20px" >
    </TextView>

    <MultiAutoCompleteTextView
        android:id="@+id/multiAutoCompleteTextView"
        android:layout_width="260px"
        android:layout_height="wrap_content"
        android:layout_gravity="center_horizontal"
        android:text="" />

    <Button
        android:id="@+id/btn"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center_horizontal"
        android:text="清除" >
    </Button>

</LinearLayout>

运行效果如下