Android自动文本框输入识别提示功能代码

import android.app.Activity;
import android.os.Bundle;
import android.widget.ArrayAdapter;
import android.widget.AutoCompleteTextView;
import android.widget.MultiAutoCompleteTextView;
public class Activityfive extends Activity{
private AutoCompleteTextView acTextView;
private MultiAutoCompleteTextView macTextView;
private String [] arr = {"abc","abx","abo","bdc","bdf"};
private String [] brr = {"ab北京","ab南京","ab东京","bb莫斯科","bb英国","bb美国"};
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_five);
acTextView = (AutoCompleteTextView) findViewById(R.id.acTextView);
macTextView = (MultiAutoCompleteTextView) findViewById(R.id.macTextView);
ArrayAdapter arrAdapt = new ArrayAdapter(this, android.R.layout.simple_dropdown_item_1line, arr); 
acTextView.setAdapter(arrAdapt);
ArrayAdapter brrAdapt = new ArrayAdapter(this, android.R.layout.simple_dropdown_item_1line, brr);
macTextView.setAdapter(brrAdapt);
macTextView.setThreshold(1);//设置输入多少个字符开始自动匹配
macTextView.setTokenizer(new MultiAutoCompleteTextView.CommaTokenizer());//设置分隔符
}
}