package com.grumoon.androidultrapulltorefreshdemo.adapter;
import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import com.grumoon.androidultrapulltorefreshdemo.R;
import com.nostra13.universalimageloader.core.DisplayImageOptions;
import com.nostra13.universalimageloader.core.ImageLoader;
/**
* Created by grumoon on 15/1/17.
*/
public class GradViewAdapter extends BaseAdapter {
private LayoutInflater layoutInflater;
private String[] imageUrls;
private DisplayImageOptions options;
public GradViewAdapter(Context context, String[] imageUrls) {
this.layoutInflater = LayoutInflater.from(context);
this.imageUrls = imageUrls;
options = new DisplayImageOptions.Builder()
.showImageForEmptyUri(R.drawable.ic_empty_small)
.showImageOnLoading(R.drawable.ic_empty_small)
.showImageOnFail(R.drawable.ic_empty_small)
.cacheInMemory(true)
.build();
}
@Override
public int getCount() {
if (imageUrls == null) {
return 0;
}
return imageUrls.length;
}
@Override
public Object getItem(int position) {
if (imageUrls == null || position > imageUrls.length - 1) {
return null;
}
return imageUrls[position];
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
ViewHolder viewHolder;
if (convertView == null) {
convertView = layoutInflater.inflate(R.layout.grid_view_item, parent, false);
viewHolder = new ViewHolder();
viewHolder.ivCar = (ImageView) convertView.findViewById(R.id.iv_car);
convertView.setTag(viewHolder);
} else {
viewHolder = (ViewHolder) convertView.getTag();
}
ImageLoader.getInstance().displayImage(imageUrls[position], viewHolder.ivCar, options);
return convertView;
}
static class ViewHolder {
ImageView ivCar;
}
}