Android学习起步 - AutoCompleteTextView及MultiAutoCompleteTextView控件使用

 1 <?xml version="1.0" encoding="utf-8"?>
 2 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 3     android:layout_width="match_parent"
 4     android:layout_height="match_parent"
 5     android:orientation="vertical" >
 6 
 7     
 8     <!-- 属性ems表示从第几个字开始显示下拉匹配框 -->
 9     <AutoCompleteTextView
10         android:id="@+id/autoCompleteTextView1"
11         android:layout_width="match_parent"
12         android:layout_height="wrap_content"
13         android:ems="2"  
14         android:hint="请输入关键字搜索" >
15 
16         <requestFocus />
17     </AutoCompleteTextView>
18 
19 </LinearLayout>

 1 package com.example.demo4;
 2 
 3 import android.app.Activity;
 4 import android.os.Bundle;
 5 import android.widget.ArrayAdapter;
 6 import android.widget.AutoCompleteTextView;
 7 
 8 public class MyactivityMainActivity extends Activity {
 9     
10     private AutoCompleteTextView acTextview;
11 
12     @Override
13     protected void onCreate(Bundle savedInstanceState) {
14         super.onCreate(savedInstanceState);
15         setContentView(R.layout.activity_main);
16         
17         //获取到控件实例
18         acTextview = (AutoCompleteTextView) findViewById(R.id.autoCompleteTextView1);
19         
20         //定义一个字符串数组用来匹配输入的关键字
21         String[] dsr = new String[] {
22                 "zhangshang", "zhangshi", "zhangzhang", 
23                 "lishang", "ligang", 
24                 "chengcheng", "chengzhi",
25                 "wangwu"
26                 };
27         
28         //初始化一个用来匹配输入的下拉数据源适配器
29         ArrayAdapter<String> adptr = new ArrayAdapter<String>(
30                 this, //当前对象
31                 android.R.layout.simple_list_item_1,  //这是一个系统自带的layout
32                 dsr  //数据源
33                 );
34                 
35         //设置AutoCompleteTextView控件的匹配器
36         acTextview.setAdapter(adptr);
37         
38     }
39     
40     
41 }

 1 package com.example.demo4;
 2 
 3 import android.app.Activity;
 4 import android.os.Bundle;
 5 import android.widget.ArrayAdapter;
 6 import android.widget.MultiAutoCompleteTextView;
 7 
 8 public class MyactivityMainActivity extends Activity {
 9     
10     private MultiAutoCompleteTextView macTextview;
11 
12     @Override
13     protected void onCreate(Bundle savedInstanceState) {
14         super.onCreate(savedInstanceState);
15         setContentView(R.layout.activity_main);
16         
17         //获取到控件实例
18         macTextview = (MultiAutoCompleteTextView) findViewById(R.id.multiAutoCompleteTextView1);
19         
20         //定义一个字符串数组用来匹配输入的关键字
21         String[] dsr = new String[] {
22                 "zhangshang", "zhangshi", "zhangzhang", 
23                 "lishang", "ligang", 
24                 "chengcheng", "chengzhi",
25                 "wangwu"
26                 };
27         
28         //初始化一个用来匹配输入的下拉数据源适配器
29         ArrayAdapter<String> adptr = new ArrayAdapter<String>(
30                 this, //当前对象
31                 android.R.layout.simple_list_item_1,  //这是一个系统自带的layout
32                 dsr  //数据源
33                 );
34                 
35         //设置AutoCompleteTextView控件的匹配器
36         macTextview.setAdapter(adptr);
37         
38         //设备多次输入的分隔，这里为逗号
39         macTextview.setTokenizer(new MultiAutoCompleteTextView.CommaTokenizer());
40         
41     }
42     
43     
44 }