import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;

import android.content.Intent;

import android.widget.TextView;

public class Friend extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_friend);

        Intent i = getIntent();
        TextView name = (TextView) findViewById(R.id.textView_name);
        TextView hobby = (TextView) findViewById(R.id.textView_hobby);
        TextView age = (TextView) findViewById(R.id.textView_age);
        TextView phone = (TextView) findViewById(R.id.textView_phone);
        TextView address = (TextView) findViewById(R.id.textView_address);

        name.setText("Name: "+i.getStringExtra("name"));
        hobby.setText("Hobby: "+i.getStringExtra("hobby"));
        age.setText("Age: "+i.getStringExtra("age"));
        phone.setText("Phone: "+i.getStringExtra("phone"));
        address.setText("Address: "+i.getStringExtra("address"));

    }
}




import android.app.Activity;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.TextView;

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



public class JSONAdapter extends BaseAdapter {
    private JSONArray data;
    private Activity activity;

    public JSONAdapter(JSONArray data, Activity activity){
        this.data = data;
        this.activity = activity;
    }

    @Override
    public int getCount() {
        return data.length();
    }

    @Override
    public Object getItem(int position) {
        try{
            return data.getJSONObject(position);
        }catch(JSONException joe){
            joe.printStackTrace();
        }
        return null;
    }

    @Override
    public long getItemId(int position) {
        return position;
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        if(convertView == null){
            convertView = activity.getLayoutInflater().inflate(R.layout.row,null);
        }
        TextView name = (TextView) convertView.findViewById(R.id.name);
        TextView hobby = (TextView) convertView.findViewById(R.id.hobby);

        try{
            JSONObject friend = data.getJSONObject(position);
            name.setText(friend.getString("name"));
            hobby.setText(friend.getString("hobby"));
        }catch(JSONException joe){
            joe.printStackTrace();
        }
        return convertView;
    }
}



import android.os.AsyncTask;
import android.util.Log;

import org.json.JSONArray;

import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;



public class jsson_task extends AsyncTask<String , Void , JSONArray>{

    private JSONrequestCall listener;
    @Override
    protected JSONArray doInBackground(String... params) {
        JSONArray result=null;
        try{
            URL url = new URL(params[0]);
            HttpURLConnection connection = (HttpURLConnection) url.openConnection();
            int code = connection.getResponseCode();
            if(code == HttpURLConnection.HTTP_OK){
                InputStream is = connection.getInputStream();
                BufferedReader br = new BufferedReader(new InputStreamReader(is));

                StringBuilder sb = new StringBuilder();
                String currentLine = "";

                while((currentLine = br.readLine()) != null){
                    Log.d("JSON RECEIVED",currentLine);
                    sb.append(currentLine);
                }

                result = new JSONArray(sb.toString());

            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        return result;
    }

    public jsson_task(JSONrequestCall listener){this.listener = listener;}
    @Override
    protected void onPostExecute(JSONArray jsonArray) {
        super.onPostExecute(jsonArray);
        listener.done(jsonArray);

    }

    public interface JSONrequestCall{
        void done(JSONArray jsonArray);
    }


}




    import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ListView;
import android.widget.Toast;

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

public class MainActivity extends AppCompatActivity implements jsson_task.JSONrequestCall, AdapterView.OnItemClickListener {

    ListView list;
    JSONAdapter jsonAdapter;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        list = (ListView) findViewById(R.id.list_view);
    }



    public void request(View v){
        jsson_task r = new jsson_task(this);
        r.execute("https://api.myjson.com/bins/lgupj");
    }

    @Override
    public void done(JSONArray jsonArray) {
        Toast.makeText(this, "DONE JSON-ing", Toast.LENGTH_SHORT).show();
        try{
            for(int i = 0; i < jsonArray.length(); i++){
                Log.d("JSON",i+" "+jsonArray.getJSONObject(i).get("hobby"));
            }
            jsonAdapter = new JSONAdapter(jsonArray, this);
            list.setAdapter(jsonAdapter);
            list.setOnItemClickListener(this);
        }catch(JSONException json){
            json.printStackTrace();
        }
    }

    @Override
    public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
        Toast.makeText(this, "Clicked!", Toast.LENGTH_SHORT).show();
        try{
            Intent i = new Intent(this, Friend.class);
            JSONObject json = (JSONObject)parent.getItemAtPosition(position);
            i.putExtra("name",json.getString("name"));
            i.putExtra("hobby",json.getString("hobby"));
            i.putExtra("age",json.getString("age"));
            i.putExtra("phone",json.getString("phone"));
            i.putExtra("address",json.getString("address"));
            Toast.makeText(this, json.getString("name"), Toast.LENGTH_SHORT).show();
            startActivity(i);
        }catch(JSONException joe){
            joe.printStackTrace();
        }
    }
}



    <?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/activity_friend"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"


    <TextView
        android:text="TextView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/textView_address"
        android:layout_below="@+id/textView_phone"
        android:layout_alignStart="@+id/textView_phone"
        android:textAppearance="@style/TextAppearance.AppCompat.Large"/>

    <TextView
        android:text="TextView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/textView_phone"
        android:layout_below="@+id/textView_age"
        android:layout_alignStart="@+id/textView_age"
        android:textAppearance="@style/TextAppearance.AppCompat.Large"/>

    <TextView
        android:text="TextView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/textView_age"
        android:layout_below="@+id/textView_hobby"
        android:layout_alignStart="@+id/textView_hobby"
        android:textAppearance="@style/TextAppearance.AppCompat.Large"/>

    <TextView
        android:text="TextView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/textView_hobby"
        android:layout_below="@+id/textView_name"
        android:layout_alignStart="@+id/textView_name"
        android:textAppearance="@style/TextAppearance.AppCompat.Large"/>

    <TextView
        android:text="TextView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/textView_name"
        android:layout_alignParentTop="true"
        android:layout_alignParentStart="true"
        android:textAppearance="@style/TextAppearance.AppCompat.Large"/>
</RelativeLayout>





<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/activity_main"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context="com.example.jose.job_2.MainActivity">
    <Button
        android:text="LOAD"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentTop="true"
        android:layout_centerHorizontal="true"
        android:id="@+id/button_load"
        android:onClick="request"/>
    <ListView
        android:id="@+id/list_view"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_below="@+id/button_load"></ListView>
</RelativeLayout>






<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical" android:layout_width="match_parent"
    android:layout_height="match_parent">

    <TextView
        android:id="@+id/name"
        android:layout_height="wrap_content"
        android:layout_width="match_parent"
        android:text="TextView"
        android:textAppearance="@style/TextAppearance.AppCompat.Large"
        android:layout_alignParentTop="true" />
    <TextView
        android:id="@+id/hobby"
        android:layout_height="wrap_content"
        android:layout_width="match_parent"
        android:text="TextView"
        android:layout_below="@+id/name"/>

</RelativeLayout>