package com.grumoon.volleydemo.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.volleydemo.R;
public abstract class ImageBaseAdapter extends BaseAdapter {
private String[] imageUrlArray;
private LayoutInflater inflater;
public ImageBaseAdapter(Context context,String[] imageUrlArray) {
this.imageUrlArray = imageUrlArray;
this.inflater = LayoutInflater.from(context);
}
@Override
public int getCount() {
if (imageUrlArray == null) {
return 0;
} else {
return imageUrlArray.length;
}
}
@Override
public Object getItem(int position) {
if (imageUrlArray == null || position >= imageUrlArray.length) {
return null;
} else {
return imageUrlArray[position];
}
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
final ViewHolder viewHolder;
if(convertView==null)
{
convertView=this.inflater.inflate(getItemLayout(), parent,false);
viewHolder=new ViewHolder();
viewHolder.ivCar=(ImageView)convertView.findViewById(R.id.iv_car);
convertView.setTag(viewHolder);
}
else {
viewHolder=(ViewHolder)convertView.getTag();
}
setImage(viewHolder.ivCar, imageUrlArray[position]);
return convertView;
}
static class ViewHolder {
ImageView ivCar;
}
abstract int getItemLayout();
abstract void setImage(ImageView imageView,String imageUrl);
}