Gallery image click event,

Gallery image click event,

Package com. example. gallery; import com. example. gallery. r; import android. OS. bundle; import android. app. activity; import android. content. context; import android. view. menu; 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. imageV Iew; import android. widget. toast; public class MainActivity extends Activity {/** Called when the activity is first created. */private Gallery gallery; @ Override public void onCreate (Bundle savedInstanceState) {super. onCreate (savedInstanceState); setContentView (R. layout. activity_main); gallery = (Gallery) findViewById (R. id. gallery); // sets the image adapter gallery. setAdapter (new ImageAdapter (this); // sets the listener gal Lery. setOnItemClickListener (new OnItemClickListener () {public void onItemClick (AdapterView <?> Arg0, View arg1, int arg2, long arg3) {Toast. makeText (MainActivity. this, "click the" + (arg2 + 1) + "picture", Toast. LENGTH_LONG ). show () ;}}) ;}} class ImageAdapter extends BaseAdapter {private Context context Context; // image source array private Integer [] imageInteger = {R. drawable. item1, R. drawable. item2, R. drawable. item3, R. drawable. item4, R. drawable. item5, R. drawable. item6, R. drawable. item7, R. drawable. item8, R. drawable. item9, R. drawable. item10, R. drawable. item11, R. drawable. item12, R. drawable. item13, R. drawable. item14, R. drawable. item15}; public ImageAdapter (Context c) {context = c ;}@ Override public int getCount () {return imageInteger. 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) {ImageView imageView = new ImageView (context); imageView. setImageResource (imageInteger [position]); imageView. setBackgroundColor (0xFF000000); imageView. setScaleType (ImageView. scaleType. FIT_CENTER); imageView. setLayoutParams (new Gallery. layoutParams (136, 88); return imageView ;}}

Result execution diagram: