Gallery View Example

main.xml

<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" >

    <Gallery

        android:id="@+id/gallery1"

        android:layout_width="fill_parent"

        android:layout_height="150dp" />

    <ImageView

        android:id="@+id/selectedImage"

        android:layout_width="250dp"

        android:layout_height="250dp"

        android:layout_gravity="center_horizontal"

        android:layout_marginTop="50dp"

        android:contentDescription="@string/app_name"

        android:src="@drawable/img1" />

</LinearLayout>

MainActivity.java

import android.app.Activity;

import android.os.Bundle;

import android.view.View;

import android.widget.AdapterView;

import android.widget.AdapterView.OnItemClickListener;

import android.widget.Gallery;

import android.widget.ImageView;

@SuppressWarnings("deprecation")

public class MainActivity extends Activity {

       private ImageView selectedImage;

       private Integer[] imageResIds = { R.drawable.img1, R.drawable.img2,

                    R.drawable.img3, R.drawable.img4, R.drawable.img5, R.drawable.img6,

                    R.drawable.img7, R.drawable.img8, R.drawable.img9 };

       @Override

       public void onCreate(Bundle savedInstanceState) {

             super.onCreate(savedInstanceState);

             setContentView(R.layout.main);

             selectedImage = (ImageView) findViewById(R.id.selectedImage);

             Gallery gallery = (Gallery) findViewById(R.id.gallery1);

             gallery.setSpacing(1);

             gallery.setAdapter(new GalleryImageAdapter(this));

             gallery.setOnItemClickListener(new OnItemClickListener() {

                    public void onItemClick(AdapterView<?> parent, View v,

                                 int position, long id) {

                           // show the selected Image

                           selectedImage.setImageResource(imageResIds[position]);

                    }

             });

       }

}

GalleryImageAdapter.java

import android.content.Context;

import android.view.View;

import android.view.ViewGroup;

import android.widget.BaseAdapter;

import android.widget.Gallery;

import android.widget.ImageView;

@SuppressWarnings("deprecation")

public class GalleryImageAdapter extends BaseAdapter {

       private Context context;

       private Integer[] imageResIds = { R.drawable.img1, R.drawable.img2,

                    R.drawable.img3, R.drawable.img4, R.drawable.img5, R.drawable.img6,

                    R.drawable.img7, R.drawable.img8, R.drawable.img9 };

       public GalleryImageAdapter(Context context) {

             this.context = context;

       }

       public int getCount() {

             return imageResIds.length;

       }

       public Object getItem(int position) {

             return position;

       }

       public long getItemId(int position) {

             return position;

       }

       public View getView(int index, View view, ViewGroup viewGroup) {

             ImageView imageView = new ImageView(context);

             imageView.setImageResource(imageResIds[index]);

             imageView.setLayoutParams(new Gallery.LayoutParams(200, 200));

             imageView.setScaleType(ImageView.ScaleType.FIT_XY);

             return imageView;

       }

}

Output :