android 获取网络图片显示在Gallery中

核心提示：R.styleable.Gallery_android_galleryItemBackground, 0);// 返回 TypedArraya.recycle();}/* */public int getCount(){return myImageURL.length;}/* ID */public Object ge

R.styleable.Gallery_android_galleryItemBackground, 0);

// 返回 TypedArray

a.recycle();

}

/* */

public int getCount()

{

return myImageURL.length;

}

/* ID */

public Object getItem(int position)

{

return position;

}

public long getItemId(int position)

{

return position;

}

/* */

public float getScale(boolean focused, int offset)

{

/* Formula: 1 / (2 ^ offset) */

return Math.max(0, 1.0f / (float) Math.pow(2, Math

.abs(offset)));

}

public View getView(int position, View convertView,

ViewGroup parent)

{

/* ImageView */

ImageView imageView = new ImageView(this.myContext);

try

{

URL aryURI = new URL(myImageURL[position]);

/* 打开连接 */

URLConnection conn = aryURI.openConnection();

conn.connect();

/* 转变为 InputStream */

InputStream is = conn.getInputStream();

/* 将InputStream转变为Bitmap */

Bitmap bm = BitmapFactory.decodeStream(is);

/* 关闭InputStream */

is.close();

/*添加图片*/

imageView.setImageBitmap(bm);

} catch (IOException e)

{

e.printStackTrace();

}

// 填充ImageView

imageView.setScaleType(ImageView.ScaleType.FIT_XY);

/* 设置布局参数*/

imageView.setLayoutParams(new Gallery.LayoutParams(200, 150));

/* 设置背景资源 */

imageView.setBackgroundResource(mGalleryItemBackground);

return imageView;

}

}