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); }