<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

     xmlns:tools="http://schemas.android.com/tools"

     android:layout_width="match_parent"

     android:layout_height="match_parent"

     android:orientation="vertical"

     android:paddingBottom="@dimen/activity_vertical_margin"

     android:paddingLeft="@dimen/activity_horizontal_margin"

     android:paddingRight="@dimen/activity_horizontal_margin"

     android:paddingTop="@dimen/activity_vertical_margin"

     tools:context="com.example.top6_3.MainActivity" >

    <Gallery

     android:id="@+id/gly"

     android:layout_height="60dp"

     android:layout_width="fill_parent"

     android:animationDuration=""

     android:gravity="center_vertical"

     android:spacing="20dp"

     android:unselectedAlpha="0.5"

     android:background="#55000000"

      />

 <ImageSwitcher

     android:paddingTop="10dp"

     android:id="@+id/is"

     android:layout_width="wrap_content"

     android:layout_height="match_parent"></ImageSwitcher>

 </LinearLayout>

 package com.example.top6_3;

 import android.app.Activity;

 import android.os.Bundle;

 import android.view.Menu;

 import android.view.MenuItem;

 import android.view.View;

 import android.view.animation.Animation;

 import android.view.animation.AnimationUtils;

 import android.widget.Gallery.LayoutParams;

 import android.widget.AdapterView;

 import android.widget.Gallery;

 import android.widget.ImageSwitcher;

 import android.widget.ImageView;

 import android.widget.ViewSwitcher.ViewFactory;

 public class MainActivity extends Activity {

     private Gallery gal;

     private ImageView iv;

     private ImageAdapter adapter;

     private ImageSwitcher is;

     private static final int[]  imgslds={

         R.drawable.bjl,

         R.drawable.dfhgc,

         R.drawable.fg,

         R.drawable.gj

 };

     @Override

     protected void onCreate(Bundle savedInstanceState) {

         super.onCreate(savedInstanceState);

         setContentView(R.layout.activity_main);

          is=(ImageSwitcher) findViewById(R.id.is);

          is.setFactory(new ViewFactory() {

             @Override

             public View makeView() {

                 // TODO Auto-generated method stub

                 ImageView i=new ImageView(getApplicationContext());

                 //i.setBackgroundColor(0Xff000000);

                 i.setScaleType(ImageView.ScaleType.FIT_CENTER);

                 i.setLayoutParams(new ImageSwitcher.LayoutParams(LayoutParams.MATCH_PARENT,

                         LayoutParams.MATCH_PARENT));

                 return i;

             }

         });

          is.setInAnimation(AnimationUtils.loadAnimation(this, android.R.anim.fade_in));

       is.setOutAnimation(AnimationUtils.loadAnimation(this, android.R.anim.fade_out));

       gal=(Gallery) findViewById(R.id.gly);

       adapter=new ImageAdapter(this);

       gal.setAdapter(adapter);

        gal.setOnItemSelectedListener(gaILidstener);

        }

            private Gallery.OnItemSelectedListener gaILidstener=new Gallery.OnItemSelectedListener() {

            @Override

            public void onItemSelected(AdapterView<?> parent, View view,

                    int position, long id) {

                // TODO Auto-generated method stub

                is.setImageResource(imgslds[position]);

            }

            @Override

            public void onNothingSelected(AdapterView<?> parent) {

                // TODO Auto-generated method stub

            }

            };

 }

 package com.example.top6_3;

 import android.R.integer;

 import android.content.Context;

 import android.view.Gravity;

 import android.view.View;

 import android.view.ViewGroup;

 import android.widget.BaseAdapter;

 import android.widget.Gallery;

 import android.widget.ImageView;

 public class ImageAdapter extends BaseAdapter {

     private Context context;

     private static final int[]  imgslds={

         R.drawable.bjl,

         R.drawable.dfhgc,

         R.drawable.fg,

         R.drawable.gj

 };

     public ImageAdapter(Context c){

         context=c;

     }

     public int getCount() {

         // TODO Auto-generated method stub

         //

         return imgslds.length;

     }

     @Override

     public Object getItem(int position) {

         // TODO Auto-generated method stub

         return position;

     }

     @Override

     public long getItemId(int position) {

         // TODO Auto-generated method stub

         return position;

     }

     @Override

     public View getView(int position, View convertView, ViewGroup parent) {

         // TODO Auto-generated method stub

         ImageView iv=new ImageView(context);

         iv.setImageResource(imgslds[position]);

         iv.setScaleType(ImageView.ScaleType.FIT_CENTER);

         iv.setLayoutParams(new Gallery.LayoutParams(,));

         //iv.setBackgroundResource(R.drawable.bjl);

         return iv; 

     }

 }