Android入门之AutoCompleteTextView（纯Java）

Android入门之AutoCompleteTextView（纯Java）

1. import Android.app.Activity;  
2. import android.os.Bundle;  
3. import android.view.View;  
4. import android.widget.*;  
5. import android.widget.AdapterView.OnItemClickListener;  
6.   
7. public class AutoCompleteTextViewTest extends Activity {  
8.     private LinearLayout mainLayout=null;  
9.     private TextView tv0=null;  
10.     private TextView tv1=null;  
11.     private AutoCompleteTextView actv1=null;  
12.     private TextView tv2=null;  
13.     private AutoCompleteTextView actv2=null;  
14.       
15.     public void onCreate(Bundle savedInstanceState) {  
16.         super.onCreate(savedInstanceState);  
17.         mainLayout_init();  
18.         setContentView(mainLayout);  
19.     }  
20.     /*mainLayout初始化*/  
21.     void mainLayout_init(){  
22.         mainLayout=new LinearLayout(this);  
23.         LinearLayout.LayoutParams lp=new LinearLayout.LayoutParams(-1, -1);  
24.         mainLayout.setLayoutParams(lp);  
25.         mainLayout.setOrientation(LinearLayout.VERTICAL);  
26.         tv0_init();  
27.         tv1_init();  
28.         actv1_init();  
29.         tv2_init();  
30.         actv2_init();  
31.         mainLayout.addView(tv0);  
32.         mainLayout.addView(tv1);  
33.         mainLayout.addView(actv1);  
34.         mainLayout.addView(tv2);  
35.         mainLayout.addView(actv2);  
36.     }  
37.     /*tv0初始化*/  
38.     void tv0_init(){  
39.         tv0=new TextView(this);  
40.         tv0.setText("这里显示操作结果\n");  
41.         tv0.append("----------华丽的分割线----------\n");  
42.     }  
43.     /*tv1初始化*/  
44.     void tv1_init(){  
45.         tv1=new TextView(this);  
46.         tv1.setText("这是英文自动填表");  
47.     }  
48.     /*actv1初始化*/  
49.     void actv1_init(){  
50.         actv1=new AutoCompleteTextView(this);  
51.         LinearLayout.LayoutParams lp=new LinearLayout.LayoutParams(-1,-2);  
52.         actv1.setLayoutParams(lp);  
53.         //字符数组是内容   
54.         String str[]={"beijing","shanghai","guangzhou","shenzhen","xiamen","beijing1","beijing2","beijing3",};  
55.         //ArrayAdapter aa是中间联系设备   
56.         ArrayAdapter<String> aa=new ArrayAdapter<String>(this,android.R.layout.simple_dropdown_item_1line,str);  
57.         //绑定   
58.         actv1.setAdapter(aa);  
59.         //监听   
60.         OnItemClickListener oicl=new OnItemClickListener(){  
61.             public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,long arg3) {  
62.                 tv0.setText("您选择了"+actv1.getText()+"\n");  
63.                 tv0.append("----------华丽的分割线----------\n");  
64.             }  
65.         };  
66.         actv1.setOnItemClickListener(oicl);  
67.     }  
68.     /*tv2初始化*/  
69.     void tv2_init(){  
70.         tv2=new TextView(this);  
71.         tv2.setText("这是中文的自动填表");  
72.     }  
73.     /*actv2初始化*/   
74.     void actv2_init(){  
75.         actv2=new AutoCompleteTextView(this);  
76.         LinearLayout.LayoutParams lp=new LinearLayout.LayoutParams(-1,-2);  
77.         actv2.setLayoutParams(lp);  
78.         String str[]={"北京","上海","广州","深圳","厦门","北京1","北京2","北京3",};  
79.         ArrayAdapter<String> aa=new ArrayAdapter<String>(this,android.R.layout.select_dialog_item,str);  
80.         actv2.setAdapter(aa);  
81.         //监听   
82.         OnItemClickListener oicl=new OnItemClickListener(){  
83.             public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,long arg3) {  
84.                 tv0.setText("您选择了"+actv2.getText()+"\n");  
85.                 tv0.append("----------华丽的分割线----------\n");  
86.             }  
87.         };  
88.         actv2.setOnItemClickListener(oicl);  
89.     }  
90. }