Forecast

package com.oluwadara.testagain;

import android.os.AsyncTask;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ListView;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.ArrayList;
import java.util.Arrays;

/**
 * Created by oluwadara on 1/28/15.
 */
public class ForecastFragment extends Fragment {




        public ForecastFragment() {
        }
        @Override
        public void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            this.setHasOptionsMenu(true);
        }

        @Override
        public boolean onOptionsItemSelected(MenuItem item) {
            int id = item.getItemId();
           if(id== R.id.action_settings){
                FetchWeatherTask task = new FetchWeatherTask();
                task.execute();
                return true;
          }
            return super.onOptionsItemSelected(item);
        }

        @Override
        public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
            super.onCreateOptionsMenu(menu, inflater);

            inflater.inflate(R.menu.menu_main, menu);
        }


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

            String[] forecastData = {
                    "Mon 6/23 - Sunny - 31/17",
                    "Tue 6/24 - Foggy - 21/8",
                    "Wed 6/25 - Cloudy - 22/17",
                    "Thurs 6/26 - Rainy - 18/11",
                    "Fri 6/27 - Foggy - 21/10",
                    "Sat 6/28 - TRAPPED IN WEATHERSTATION - 23/18",
                    "Sun 6/29 - Sunny - 20/7"
            };

            ArrayList<String> forecastDataList = new ArrayList<String>(Arrays.asList(forecastData));

            ArrayAdapter<String> ForecastAdapter = new ArrayAdapter<String>(
                    //the current context
                    getActivity(),
                    //ID of list item layout
                    R.layout.list_item_forecast,
                    //ID of the textview to populate
                    R.id.list_item_forecast_textView,
                    //forecast data
                    forecastData
            );



            View rootView = inflater.inflate(R.layout.fragment_main, container, false);
            ListView listView = (ListView) rootView.findViewById(R.id.listView_forecast);
            listView.setAdapter(ForecastAdapter);


            return rootView;
        }


        public class FetchWeatherTask extends AsyncTask<Void, Void, Void> {

            private final String LOG_TAG = FetchWeatherTask.class.getSimpleName();

            @Override
            protected Void doInBackground(Void... params) {
                // These two need to be declared outside the try/catch
// so that they can be closed in the finally block.
                HttpURLConnection urlConnection = null;
                BufferedReader reader = null;

// Will contain the raw JSON response as a string.
                String forecastJsonStr = null;

                try {
                    // Construct the URL for the OpenWeatherMap query
                    // Possible parameters are available at OWM's forecast API page, at
                    // http://openweathermap.org/API#forecast
                    URL url = new URL("http://api.openweathermap.org/data/2.5/forecast/daily?q=Lagos&mode=json&units=metric&cnt=7");

                    // Create the request to OpenWeatherMap, and open the connection
                    urlConnection = (HttpURLConnection) url.openConnection();
                    urlConnection.setRequestMethod("GET");
                    urlConnection.connect();

                    // Read the input stream into a String
                    InputStream inputStream = urlConnection.getInputStream();
                    StringBuffer buffer = new StringBuffer();
                    if (inputStream == null) {
                        // Nothing to do.
                        return null;
                    }
                    reader = new BufferedReader(new InputStreamReader(inputStream));

                    String line;
                    while ((line = reader.readLine()) != null) {
                        // Since it's JSON, adding a newline isn't necessary (it won't affect parsing)
                        // But it does make debugging a *lot* easier if you print out the completed
                        // buffer for debugging.
                        buffer.append(line + "\n");
                    }

                    if (buffer.length() == 0) {
                        // Stream was empty.  No point in parsing.
                        return null;
                    }
                    forecastJsonStr = buffer.toString();
                } catch (IOException e) {
                    Log.e(LOG_TAG, "Error ", e);
                    // If the code didn't successfully get the weather data, there's no point in attempting
                    // to parse it.
                    return null;
                } finally {
                    if (urlConnection != null) {
                        urlConnection.disconnect();
                    }
                    if (reader != null) {
                        try {
                            reader.close();
                        } catch (final IOException e) {
                            Log.e(LOG_TAG, "Error closing stream", e);
                        }
                    }
                }
                return null;
            }

        }


    }