Android控件之Gallery实现图片列表

values/attrs.xml:

1.

2.

3.

4.

5.

layout/img.xml:

Java代码

1.

2.

android"

3.android:orientation="vertical"

android:layout_width="fill_parent"

4.android:layout_height="fill_parent">

5.

android:layout_width="fill_parent"

6.android:layout_height="wrap_content" android:layout_x="12px"

7.android:layout_y="106px" />

8.

android:layout_width="fill_parent"

9.android:layout_height="wrap_content" />

10.

ImageAdapter.java:

Java代码

1.import java.util.List;

2.

3.import org.mdx.R;

4.

5.import android.content.Context;

6.import android.content.res.TypedArray;

7.import android.graphics.Bitmap;

8.import android.graphics.BitmapFactory;

9.import android.view.View;

10.import android.view.ViewGroup;

11.import android.widget.BaseAdapter;

12.import android.widget.Gallery;

13.import android.widget.ImageView;

14.public class ImageAdapter extends BaseAdapter {

15.intmGalleryItemBacjground;

16.private Context mContext;

17.private List list;

18.

19.public ImageAdapter(Context c, List li) {

20.mContext = c;

21.list = li;

22.TypedArray a = c.obtainStyledAttributes(R.styleable.Gallery);

23.mGalleryItemBacjground = a.getResourceId(

24.R.styleable.Gallery_android_galleryItemBackground, 0);

25.a.recycle();

26.}

27.

28.public intgetCount() {

29.return list.size();

30.}

31.

32.public Object getItem(int position) {

33.return list.get(position%list.size()).intValue();

34.}

35.

36.public long getItemId(int arg0) {

37.// TODO Auto-generated method stub

38.return arg0;

39.}

40.

41.public View getView(int position, View arg1, ViewGroup arg2) {

42.// TODO Auto-generated method stub

43.ImageViewi = new ImageView(mContext);

44.Bitmap bm = BitmapFactory.decodeResource(mContext.getResources(),

list

45..get(position%list.size()).intValue());

46.i.setImageBitmap(bm);

47.i.setScaleType(ImageView.ScaleType.FIT_XY);

48.i.setLayoutParams(new youtParams(136, 88));

49.i.setBackgroundResource(mGalleryItemBacjground);

50.return i;

51.}

52.

53.}

ImgActivity.java:

Java代码

1.import java.util.ArrayList;

2.import java.util.List;

3.

4.import org.mdx.R;

5.import org.mdx.core.activity.adapter.ImageAdapter;

6.

7.import android.app.Activity;

8.import android.os.Bundle;

9.import android.view.View;

10.import android.widget.AdapterView;

11.import android.widget.AdapterView.OnItemClickListener;

12.import android.widget.AdapterView.OnItemSelectedListener;

13.import android.widget.Gallery;

14.import android.widget.ImageView;