StartupsFragment.java

package com.udacity.tourguide.fragments;


import android.content.Intent;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.ListView;

import com.udacity.tourguide.R;
import com.udacity.tourguide.StartupDetailsActivity;
import com.udacity.tourguide.adapters.StartupAdapter;
import com.udacity.tourguide.models.Startup;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;


/**
 * A simple {@link Fragment} subclass.
 */
public class StartupsFragment extends Fragment {


    public StartupsFragment() {
        // Required empty public constructor
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {

        View rootView =  inflater.inflate(R.layout.list_view, container, false);

        final ArrayList<Startup> startups = new ArrayList<Startup>();

        String jsonStr = null;

        try {
            InputStream is = getContext().getAssets().open("startups.json");
            int size = is.available();
            byte[] buffer = new byte[size];
            is.read(buffer);
            is.close();
            jsonStr = new String(buffer, "UTF-8");
        } catch (IOException e) {
            e.printStackTrace();
        }

        try {
            JSONObject jsonObj = new JSONObject(jsonStr);
            JSONArray startupsJsonArray = jsonObj.getJSONArray("startups");

            for (int i = 0; i < startupsJsonArray.length(); i++) {

                JSONObject startupData = startupsJsonArray.getJSONObject(i);
                String name = startupData.getString("name");
                String description = startupData.getString("description");
                int mImageResourceId = startupData.getInt("mImageResourceId");
                double lat = startupData.getDouble("lat");
                double lng = startupData.getDouble("lng");
                int founded = startupData.getInt("founded");
                String founders = startupData.getString("founders");
                String industry = startupData.getString("industry");
                String site = startupData.getString("site");
                String address = startupData.getString("address");

                Startup data = new Startup(name, description, mImageResourceId, lat, lng, founded, founders, industry, site, address);
                startups.add(data);
            }

        } catch (JSONException e) {
            e.printStackTrace();
        }

        StartupAdapter adapter = new StartupAdapter(getActivity(), startups, R.id.image_view_item_list);
        ListView listView = rootView.findViewById(R.id.list_view);
        listView.setAdapter(adapter);
        listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> adapterView, View view, int position, long l) {

                String name =           startups.get(position).getName();
                String description =    startups.get(position).getDescription();
                Double lat =            startups.get(position).getLat();
                Double lng =            startups.get(position).getLng();
                int founded =           startups.get(position).getFounded();
                String founders =       startups.get(position).getFounders();
                String site =           startups.get(position).getSite();
                String industry =       startups.get(position).getIndustry();
                String address =        startups.get(position).getAddress();
                int imageResourceId =   startups.get(position).getmImageResourceId();

                Intent intent = new Intent(getContext(), StartupDetailsActivity.class);
                    intent.putExtra("name", name);
                    intent.putExtra("description", description);
                    intent.putExtra("lat", lat);
                    intent.putExtra("lng", lng);
                    intent.putExtra("founded", founded);
                    intent.putExtra("founders", founders);
                    intent.putExtra("site", site);
                    intent.putExtra("industry", industry);
                    intent.putExtra("address", address);
                    intent.putExtra("imageResourceId", imageResourceId);
                startActivity(intent);
            }
        });
        return rootView;
    }
}