ListviewAdapter.java

package com.jonesrandom.tutoriallistview;


import android.content.Context;
import android.support.annotation.NonNull;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ImageView;
import android.widget.TextView;

import java.util.List;

public class ListviewAdapter extends ArrayAdapter {

    int singleItemLayout;
    List<ModelDaerah> listData;
    Context ctx;

    public ListviewAdapter(Context context, int resource, List<ModelDaerah> objects) {
        super(context, resource, objects);
        ctx = context;
        singleItemLayout = resource;
        listData = objects;
    }

    @NonNull
    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        daerahHolder holder;

        if (convertView == null) {
            convertView = LayoutInflater.from(parent.getContext()).inflate(singleItemLayout, parent , false);

            holder = new daerahHolder();
            holder.tvNama = (TextView) convertView.findViewById(R.id.row_nama);
            holder.tvPemerintahan = (TextView) convertView.findViewById(R.id.row_pemerintahan);
            holder.logoDaerah = (ImageView) convertView.findViewById(R.id.row_logo);

            convertView.setTag(holder);
        } else {
            holder = (daerahHolder) convertView.getTag();
        }

        holder.tvNama.setText(listData.get(position).getNama());
        holder.tvPemerintahan.setText(listData.get(position).getPemerintahan());
        holder.logoDaerah.setImageResource(listData.get(position).getLogo());

        return convertView;
    }

    private class daerahHolder {
        TextView tvNama;
        TextView tvPemerintahan;
        ImageView logoDaerah;
    }
}