AutoCompleteTextView和MultiAutoCompleteTextView-优快云博客

本文链接：https://blog.youkuaiyun.com/pyzheng/article/details/84125648

本文介绍了MultiAutoCompleteTextView组件的特点及使用方法，并对比了AutoCompleteTextView。通过示例代码展示了如何设置适配器及分隔符，实现输入框中新增选项。

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[url]http://imshare.iteye.com/blog/771539[/url]
[url]http://windywindy.iteye.com/blog/464152[/url]
MultiAutoCompleteTextView也是具有自动完成提示的功能，它和AutoCompleteTextView的区别就是[color=red]MultiAutoCompleteTextView可以在输入框中一直增加新的选取值。编写方式也有所不同，在进行setAdapter之后还需要调用setTokenizer(),否则会出现错误[/color]

<?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:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="@string/hello" />

    <AutoCompleteTextView
        android:id="@+id/autoCompleteTextView1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="" >

        <requestFocus />
    </AutoCompleteTextView>

    <MultiAutoCompleteTextView
        android:id="@+id/multiAutoCompleteTextView1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="" />

    <TextView
        android:id="@+id/textView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="TextView" />

</LinearLayout>

package pandy.auto.test;

import android.app.Activity;
import android.os.Bundle;
import android.widget.Adapter;
import android.widget.ArrayAdapter;
import android.widget.AutoCompleteTextView;
import android.widget.MultiAutoCompleteTextView;

public class AutoCompleteTestActivity extends Activity {
	private AutoCompleteTextView autoCompleteTextView1;
	private MultiAutoCompleteTextView multiAutoCompleteTextView1;
	private String[] allData = new String[]{"China","Russia","Germany",  
	        "Ukraine","Belarus","USA","China1","China2","USA1"};
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);

        autoCompleteTextView1 = (AutoCompleteTextView)findViewById(R.id.autoCompleteTextView1);
        multiAutoCompleteTextView1 = (MultiAutoCompleteTextView)findViewById(R.id.multiAutoCompleteTextView1);
        ArrayAdapter adapter = new ArrayAdapter(this,android.R.layout.simple_dropdown_item_1line,allData);
        autoCompleteTextView1.setAdapter(adapter);
        autoCompleteTextView1.setThreshold(1);

        multiAutoCompleteTextView1.setAdapter(adapter);
        multiAutoCompleteTextView1.setThreshold(1);
        multiAutoCompleteTextView1.setTokenizer(new MultiAutoCompleteTextView.CommaTokenizer());


    }
}