下拉列表框Spinner

layout文件

item.xml

 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="wrap_content"
 5     android:orientation="horizontal" >
 6 
 7     <TextView
 8         android:id="@+id/tv"
 9         android:layout_width="wrap_content"
10         android:layout_height="wrap_content" />
11 
12     <ImageView
13         android:layout_width="wrap_content"
14         android:layout_height="wrap_content"
15         android:src="@drawable/ic_launcher" />
16 
17 </LinearLayout>

main.xml

 1 <?xml version="1.0" encoding="utf-8"?>
 2 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 3     android:layout_width="fill_parent"
 4     android:layout_height="fill_parent"
 5     android:background="@drawable/btn_media_player_disabled"
 6     android:orientation="vertical" >
 7 
 8     <Spinner
 9         android:id="@+id/sp"
10         android:layout_width="fill_parent"
11         android:layout_height="wrap_content" />
12 
13     <AutoCompleteTextView
14         android:id="@+id/actv"
15         android:layout_width="fill_parent"
16         android:layout_height="wrap_content"
17         android:completionThreshold="1" >
18     </AutoCompleteTextView>
19 
20 </LinearLayout>

Activity

 1 package cn.itcast.ui;
 2 
 3 import android.app.Activity;
 4 import android.os.Bundle;
 5 import android.view.View;
 6 import android.widget.AdapterView;
 7 import android.widget.AdapterView.OnItemClickListener;
 8 import android.widget.AdapterView.OnItemSelectedListener;
 9 import android.widget.ArrayAdapter;
10 import android.widget.AutoCompleteTextView;
11 import android.widget.Spinner;
12 
13 public class UiActivity extends Activity {
14     private Spinner spinner;
15     private AutoCompleteTextView actv;
16     @Override
17     public void onCreate(Bundle savedInstanceState) {
18         super.onCreate(savedInstanceState);
19         setContentView(R.layout.main);
20         spinner = (Spinner) findViewById(R.id.sp);
21         actv = (AutoCompleteTextView)findViewById(R.id.actv);
22         String[] names = {"老张", "老方", "老毕", "李明" , "李丽", "陈江", "abc", "acc"};
23         ArrayAdapter<String> adapter = new ArrayAdapter<String>(this, android.R.layout.simple_dropdown_item_1line, names);
24         actv.setAdapter(adapter);
25 
26         
27         spinner.setAdapter(new ArrayAdapter<String>(this, R.layout.item, R.id.tv, new String[]{"java",".net","php"}));
28         
29         spinner.setOnItemSelectedListener(new OnItemSelectedListener() {
30 
31             @Override
32             public void onItemSelected(AdapterView<?> parent, View view,
33                     int position, long id) {
34                 
35             }
36 
37             @Override
38             public void onNothingSelected(AdapterView<?> parent) {
39                 
40             }
41         });
42 
43     }
44 }

基础/day08/ui

 

posted @ 2013-01-19 20:22  王世桢  阅读(213)  评论(0)  编辑  收藏  举报