GridView实现一行显示并左右滚动

使用GridView达到Gallery效果

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自定义适配器
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public class ImageAdapter extends BaseAdapter {    private Context mContext;    private List<Bitmap> images = new ArrayList<Bitmap>();    public ImageAdapter(Context c) {        mContext = c;    }    public List<Bitmap> getImages() {return images;}public void setImages(List<Bitmap> images) {this.images = images;}public int getCount() {        return images.size();    }    public Object getItem(int position) {        return images.get(position);    }    public long getItemId(int position) {        return 0;    }    // create a new ImageView for each item referenced by the Adapter    public View getView(int position, View convertView, ViewGroup parent) {        ImageView imageView;        if (convertView == null) {  // if it's not recycled, initialize some attributes            imageView = new ImageView(mContext);            imageView.setLayoutParams(new GridView.LayoutParams(85, 85));            imageView.setScaleType(ImageView.ScaleType.CENTER_CROP);            imageView.setPadding(8, 8, 8, 8);        } else {            imageView = (ImageView) convertView;        }        imageView.setImageBitmap(images.get(position));        return imageView;    }}
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