Gallery in Android to display images

Public class MainActivity extends Activity {private Gallery gallery; private LayoutInflater inflater; private ImageSwitcher imageSwitcher; private int res [] = new int [] {R. drawable. ic_launcher, R. drawable. an01, R. drawable. an02, R. drawable. an03, R. drawable. an01, R. drawable. an02, R. drawable. an03}; @ Overrideprotected void onCreate (Bundle savedInstanceState) {super. onCreate (savedInstanceState); setContentVi Ew (R. layout. activity_main); // inflater = (LayoutInflater) getSystemService (LAYOUT_INFLATER_SERVICE);/*** is there a suitable adapter in the system */gallery = (Gallery) findViewById (R. id. gallery1); // obtain the ImageView control imageSwitcher = (ImageSwitcher) findViewById (R. id. imageSwitcher1); // initialize imageSwitcher at a factory. setFactory (new ImageSwitcher. viewFactory () {// set the image @ Overridepublic View makeView () {ImageView imageView = new ImageView (Main Activity. this); imageView. setScaleType (ImageView. scaleType. FIT_CENTER); return imageView ;}}); // Add the animated imageSwitcher. setInAnimation (AnimationUtils. loadAnimation (MainActivity. this, android. r. anim. fade_in); imageSwitcher. setOutAnimation (MainActivity. this, android. r. anim. fade_out); List <Map <String, Object> data = new ArrayList <Map <String, Object> (); for (int I = 0; I <res. length; I ++) {Map <String, Object> Map = new HashMap <String, Object> (); map. put ("imageView", res [I]); data. add (map);} SimpleAdapter simpleAdapter = new SimpleAdapter (this, data, R. layout. activity_cell, new String [] {"imageView"}, new int [] {R. id. imageView1}); gallery. setAdapter (simpleAdapter); // registers the event gallery. setOnItemClickListener (new AdapterView. onItemClickListener () {@ Overridepublic void onItemClick (AdapterView <?> Parent, View view, int position, long id) {// obtain the image resource int imageResId = res [position % res. length]; // set imageSwithcer component resource imageSwitcher. setImageResource (imageResId) ;}});}/* public class MyAdapter extends BaseAdapter {@ Overridepublic int getCount () {// TODO Auto-generated method stubreturn Integer. MAX_VALUE ;}@ Overridepublic Object getItem (int position) {return res [position % res. length] ;}@ Overridepublic long getItemId (int position) {// TODO Auto-generated method stubreturn position ;}@ Overridepublic View getView (int position, View convertView, ViewGroup parent) {View v = inflater. inflate (R. layout. activity_gallery, null); ImageView iv = (ImageView) v. findViewById (R. id. imageView1); int imageResId = res [position % res. length]; System. out. println (position + "-------" + imageResId); iv. setImageResource (imageResId); return v ;}}*/}

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:orientation="vertical" >    <Gallery        android:id="@+id/gallery1"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:layout_marginTop="0dp" />    <ImageSwitcher        android:id="@+id/imageSwitcher1"        android:layout_width="match_parent"        android:layout_height="0dp"        android:layout_weight="1" >    </ImageSwitcher></LinearLayout>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="match_parent"    android:layout_height="match_parent" >    <ImageView        android:id="@+id/imageView1"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:src="@drawable/an01" /></LinearLayout>