<AutoCompleteTextView
属性列表>
</AutoCompleteTextView>

<?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="horizontal"
  android:background="#000000">
<AutoCompleteTextView
  android:layout_height="wrap_content"
  android:text=""
  android:id="@+id/autoCompleteTextView1"
  android:completionThreshold="2"
  android:completionHint="请输入内容"
  android:background="#333333" 
  android:layout_marginLeft="10dp"
  android:layout_weight="7"
  android:layout_width="wrap_content"
  >
</AutoCompleteTextView>
<Button android:text="搜索"
    android:id="@+id/button0"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_weight="1"
    android:layout_marginLeft="10dp"/>
</LinearLayout>

//此字符串是要在下拉菜单中显示的列表项
private static final String[] COUNTRIES=new String[]{"jb51","jb51编程小技巧","jb51脚本下载","jb51软件下载","www.jb51.net","编程小技巧"};

//获取自动完成文本框
final AutoCompleteTextView textView=(AutoCompleteTextView)findViewById(R.id.autoCompleteTextView1);
//注意ArrayAdapter与SimpleAdapter的区别
//创建一个ArrayAdapter适配器
ArrayAdapter<String> adapter=new ArrayAdapter<String>(this,android.R.layout.simple_dropdown_item_1line,COUNTRIES);
textView.setAdapter(adapter);//为自动完成文本框设置适配器

//为搜索按钮添加事件监听器
button.setonClickListener(new OnClickListener() {
  public void onClick(View arg0) {
    Toast.makeText(MainActivity.this,textView.getText().toString(),Toast.LENGTH_SHORT).show();
  }
});

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" 
  xmlns:tools="http://schemas.android.com/tools" 
  android:layout_width="fill_parent" 
  android:layout_height="fill_parent" 
  android:orientation="horizontal" 
  android:background="#000000"> 
  <AutoCompleteTextView 
    android:layout_width="wrap_content" 
    android:text="" 
    android:id="@+id/autoCompleteTextView1" 
    android:completionThreshold="2" 
    android:completionHint="输入搜索内容" 
    android:background="#FFFFFF" 
    android:layout_marginLeft="10px" 
    android:layout_weight="7" 
    android:layout_height="wrap_content"> 
  </AutoCompleteTextView> 
  <Button android:text="搜索" 
    android:id="@+id/button0" 
    android:layout_width="wrap_content" 
    android:layout_height="wrap_content" 
    android:layout_weight="1" 
    android:layout_marginLeft="10px"/> 
</LinearLayout> 

package com.example.test; 
 
 
import android.app.Activity; 
import android.os.Bundle; 
import android.view.View; 
import android.view.View.OnClickListener; 
import android.widget.ArrayAdapter; 
import android.widget.AutoCompleteTextView; 
import android.widget.Button; 
import android.widget.Toast; 
 
 
public class MainActivity extends Activity { 
  //此字符串是要在下拉菜单中显示的列表项 
  private static final String[] COUNTRIES=new String[]{"HeNan","HeNan大学","HeNan理工大学","HeNan工业大学","HeNan万方科技学院","HeNan第二附属医院二院"}; 
  @Override 
  protected void onCreate(Bundle savedInstanceState) { 
    super.onCreate(savedInstanceState); 
    setContentView(R.layout.main); 
     
    //获取自动完成文本框 
    final AutoCompleteTextView textView=(AutoCompleteTextView)findViewById(R.id.autoCompleteTextView1); 
    //注意ArrayAdapter与SimpleAdapter的区别 
    //创建一个ArrayAdapter适配器 
    ArrayAdapter<String> adapter=new ArrayAdapter<String>(this,android.R.layout.simple_dropdown_item_1line,COUNTRIES); 
    textView.setAdapter(adapter);//为自动完成文本框设置适配器 
     
    Button button=(Button)findViewById(R.id.button0);//获取"搜索"按钮 
    //为搜索按钮添加事件监听器 
    button.setonClickListener(new OnClickListener() { 
       
      @Override 
      public void onClick(View arg0) { 
        Toast.makeText(MainActivity.this,textView.getText().toString(),Toast.LENGTH_SHORT).show(); 
         
      } 
    }); 
  } 
} 

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" 
 android:layout_width="fill_parent" 
 android:layout_height="fill_parent" 
 android:orientation="horizontal" 
 android:id="@+id/layout" 
 android:gravity="center"> 
 <gallery 
 android:id="@+id/gallery1" 
 android:spacing="5px" 
 android:unselectedAlpha="0.6" 
 android:layout_width="match_parent" 
 android:layout_height="wrap_content"/> 
</LinearLayout> 

<?xml version="1.0" encoding="utf-8"?> 
<resources> 
 <declare-styleable name="gallery"> 
 <attr name="android:galleryItemBackground"/> 
 </declare-styleable> 
</resources> 

package com.example.test; 
 
 
import android.app.Activity; 
import android.content.res.TypedArray; 
import android.os.Bundle; 
import android.view.View; 
import android.view.ViewGroup; 
import android.widget.AdapterView; 
import android.widget.AdapterView.OnItemClickListener; 
import android.widget.BaseAdapter; 
import android.widget.gallery; 
import android.widget.ImageView; 
import android.widget.Toast; 
 
 
public class MainActivity extends Activity{ 
 
 
 @Override 
 protected void onCreate(Bundle savedInstanceState) { 
 super.onCreate(savedInstanceState); 
 setContentView(R.layout.main); 
  
 gallery gallery=(gallery)findViewById(R.id.gallery1); 
 final int [] imageId=new int[]{R.drawable.img01,R.drawable.img02,R.drawable.img03,R.drawable.img04,R.drawable.img05,R.drawable.img06,R.drawable.img07,R.drawable.img08,R.drawable.img_top,R.drawable.ic_launcher,R.drawable.in,R.drawable.stop,};//定义并初始化保存图片id的数组 
 //创建并改写BaseAdapter适配器 
 BaseAdapter adapter=new BaseAdapter(){ 
 
 
  @Override 
  public View getView(int position,View convertView,ViewGroup parent) { 
  ImageView imageView;//声明一个ImageView的对象 
  if(convertView==null){ 
   imageView=new ImageView(MainActivity.this);//实例化ImageView对象 
   imageView.setScaleType(ImageView.ScaleType.FIT_XY);//设置缩放方式 
   imageView. setLayoutParams(new gallery.LayoutParams(180,135));//设置ImageView宽高 
   TypedArray typedArray=obtainStyledAttributes(R.styleable.gallery);//获取自定义属性对象 
   //为imageView设置背景图片的资源，使用了自定义属性对象typedArray获取自定义背景资源值 
   imageView.setBackgroundResource( 
    typedArray.getResourceId(R.styleable.gallery_android_galleryItemBackground,0)); 
   imageView.setPadding(5,5,0);//设置内边距 
  }else{ 
   //如果以前new过View就使用convertView的缓存 
   imageView=(ImageView)convertView; 
  } 
  imageView.setimageResource(imageId[position]); 
  return imageView; 
  } 
  
  //功能:获得当前选项的id 
  @Override 
  public long getItemId(int position) { 
  return position; 
  } 
  
  //功能：获得当前选项 
  @Override 
  public Object getItem(int position) { 
  return position; 
  } 
  
  //获得数量 
  @Override 
  public int getCount() { 
  return imageId.length; 
  } 
 
 
 }; 
  
 gallery.setAdapter(adapter); 
 gallery.setSelection(imageId.length/2); 
 gallery.setonItemClickListener(new OnItemClickListener() { 
 
 
  @Override 
  public void onItemClick(AdapterView<?> parent,View v,int position,long id) { 
  Toast.makeText(MainActivity.this,"您选择了第"+String.valueOf(position)+"张图片",Toast.LENGTH_SHORT).show(); 
  } 
 }); 
 } 
}