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/** * @描述 TODO * @项目名称 App_imooc * @包名 com.android.imooc.gallery * @类名 GalleryActivity * @author chenlin * @date 2012年6月5日 下午9:16:33 * @version 1.0 */public class GalleryActivity extends Activity {
       private GalleryView mGallery;    private int mResIds[] = {        R.drawable.pic_1,           R.drawable.pic_2,           R.drawable.pic_3,           R.drawable.pic_4,           R.drawable.pic_5,           R.drawable.pic_6,           R.drawable.pic_7,           R.drawable.pic_8    };    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_gallery);        mGallery = (GalleryView) findViewById(R.id.galleryView);        mGallery.setAdapter(new GalleryAdapter());    }    private class GalleryAdapter extends BaseAdapter {
           @Override        public int getCount() {            return mResIds.length;        }        @Override        public Object getItem(int position) {            return mResIds[position];        }        @Override        public long getItemId(int position) {            return position;        }        @Override        public View getView(int position, View convertView, ViewGroup parent) {            ImageView iv = null;            if (convertView == null) {                iv = new ImageView(GalleryActivity.this);            }else {                iv = (ImageView) convertView;            }            iv.setImageResource(mResIds[position]);            LayoutParams params = new LayoutParams(160, 260);            iv.setLayoutParams(params);            iv.setScaleType(ScaleType.CENTER_CROP);            return iv;        }    }}

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