随机颜色生产

public class GridViewAdapter extends BaseAdapter {

private int[] colors = new int[] { Color.rgb(189, 202, 188),

Color.rgb(222, 203, 161), Color.rgb(244, 107, 65) };

private int[] images;

private Context context;

public GridViewAdapter(Context context, int images[]) {

this.images = images;

this.context = context;

}

@Override

public int getCount() {

return images.length;

}

@Override

public Object getItem(int arg0) {

return null;

}

@Override

public long getItemId(int arg0) {

return arg0;

}

@Override

public View getView(int position, View convertView, ViewGroup parent) {

HotGridViewHolder holder = null;

if (convertView == null) {

Random ran = new Random();

int n = ran.nextInt(4);

if (n % 2 == 0) {

convertView = LayoutInflater.from(context).inflate(

R.layout.grid_item1, null);

} else {

convertView = LayoutInflater.from(context).inflate(

R.layout.grid_item2, null);

}

holder = new HotGridViewHolder(convertView);

Random ran2 = new Random();

int n2 = ran2.nextInt(3);

holder.getBG().setBackgroundColor(colors[n2]);

holder.getImageView().setBackgroundResource(images[position]);

convertView.setTag(holder);

} else {

holder = (HotGridViewHolder) convertView.getTag();

}

return convertView;

}

private class HotGridViewHolder {

private ImageView imageview;

private TextView shopname;

private TextView text;

private View view;

private RelativeLayout bg;

private HotGridViewHolder(View view) {

this.view = view;

}

ImageView getImageView() {

if (imageview == null) {

imageview = (ImageView) view.findViewById(R.id.name);

}

return imageview;

}

TextView getShopName() {

if (shopname == null) {

shopname = (TextView) view.findViewById(R.id.shopname);

}

return shopname;

}

TextView getText() {

if (text == null) {

text = (TextView) view.findViewById(R.id.text);

}

return text;

}

RelativeLayout getBG() {

if (bg == null) {

bg = (RelativeLayout) view.findViewById(R.id.bg);

}

return bg;

}

}

}