Android Open Source - EasyWeather Load Weather Data

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From Project

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License

The source code is released under:

This is free and unencumbered software released into the public domain. Anyone is free to copy, modify, publish, use, compile, sell, or distribute this software, either in source code form or as a co...

Java Source Code

package com.manustudios.easyweather;
/*ww  w .  java 2  s . c  o m*/
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import org.json.JSONArray;
import org.json.JSONObject;



import android.app.Fragment;
import android.app.FragmentManager;
import android.content.Context;
import android.os.AsyncTask;
import android.support.v13.app.FragmentStatePagerAdapter;
import android.support.v4.view.PagerAdapter;
import android.support.v4.view.ViewPager;
import android.util.Log;

public class LoadWeatherData extends AsyncTask<String, Void, JSONObject> {

  private Context mContext;
  private ViewPager mPager;
  private PagerAdapter mPagerAdapter;
  private FragmentManager mFragmentMan;
  
  public LoadWeatherData(Context context, ViewPager pager, FragmentManager fm){
    mContext = context;
    mPager = pager;
    mFragmentMan = fm;
  }
  
  
  @Override
  protected JSONObject doInBackground(String... params) {
    
    String weatherUrl = params[0];
    JSONObject jsonResponse = null;
    int responseCode = -1;
    try {
      URL searchFeedUrl = new URL(weatherUrl); 
      HttpURLConnection connection = (HttpURLConnection) searchFeedUrl.openConnection();
      connection.setRequestMethod("GET");
      connection.setDoInput(true);
      connection.setDoOutput(true);
      connection.connect();
      
      responseCode = connection.getResponseCode();
      if(responseCode == HttpURLConnection.HTTP_OK){
        Log.i("HTTP Connection", "Feed Url connected");
        //GET DATA INTO JSONObject
        
        String line;
        StringBuilder builder = new StringBuilder();
        BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));
        while((line = reader.readLine()) != null) {
         builder.append(line);
        }
        connection.disconnect();
        jsonResponse = new JSONObject(builder.toString());
        Log.i("JsonGotten", "chk");
      }else{
        Log.i(MainActivity.TAG, "Code: "+responseCode);
      }
      
    } 
    catch (MalformedURLException e) {
      Log.e(MainActivity.TAG, "Exception caught:"+e);
    }
    catch (IOException e) {
      Log.e(MainActivity.TAG, "Exception caught:"+e);
    }
    catch (Exception e) {
      Log.e(MainActivity.TAG, "Exception caught:"+e);
    }
    
    return jsonResponse;

  }


  @Override
  protected void onPostExecute(JSONObject result) {
    loadData(result);
  }
  
  private void loadData(JSONObject weatherData){
    
    
    if(weatherData == null){
      
    }else{
      try {
        
        JSONObject city = weatherData.getJSONObject("city");
        JSONArray weatherDaily = weatherData.getJSONArray("list");
        
        JSONObject today = weatherDaily.getJSONObject(0);
        JSONObject tomorrow = weatherDaily.getJSONObject(1);
        JSONObject dayAfter = weatherDaily.getJSONObject(2);
        
        String cityName = city.getString("name");
        
        String[] temp = new String[3];
        String[] mainDesc = new String[3];
        String[] icons = new String[3];
        
        
        temp[0] = today.getJSONObject("temp").getString("day");
        temp[1] = tomorrow.getJSONObject("temp").getString("day");
        temp[2] = dayAfter.getJSONObject("temp").getString("day");
        
        mainDesc[0] = today.getJSONArray("weather").getJSONObject(0).getString("description");
        mainDesc[1] = tomorrow.getJSONArray("weather").getJSONObject(0).getString("main");
        mainDesc[2] = dayAfter.getJSONArray("weather").getJSONObject(0).getString("main");
        
        icons[0] = today.getJSONArray("weather").getJSONObject(0).getString("icon");
        icons[1] = tomorrow.getJSONArray("weather").getJSONObject(0).getString("icon");
        icons[2] = dayAfter.getJSONArray("weather").getJSONObject(0).getString("icon");
        
        Log.i("Desc 0", mainDesc[0]);
        Log.i("temp 0", temp[0]);
        Log.i("icon 0", icons[0]);
        
        //CALL VIEW PAGER ADAPTER WHICH ADAPTS SOME FRAGMENTS
        mPagerAdapter = new ScreenSlidePagerAdapter(mFragmentMan, temp, mainDesc, icons, cityName);
        mPager.setAdapter(mPagerAdapter);
        
      } catch (Exception e) {
        Log.e("Manu-Error", ""+e);
      }
      
      
    }
    
  }
  
  
  private class ScreenSlidePagerAdapter extends FragmentStatePagerAdapter {
    
    String[] mTemp;
    String[] mDesc;
    String[] mIcons;
    String mCity;
    
    public ScreenSlidePagerAdapter(FragmentManager fragman, String[] temp, String[] Desc, String[] icons, String city) {
          super(fragman);
          mTemp = temp;
          mDesc = Desc;
          mIcons = icons;
          mCity = city;
      }

      @Override
      public Fragment getItem(int position) {    //This is called several times if THERE ARE 3 PAGES THEN IS CALLED 3 TIMES
        
        return ViewPagerFragment.create(mContext, position, mTemp, mDesc, mIcons, mCity);
      }

      
      
      @Override
      public int getCount() {
          return 2;
      }
  }

}

Java Source Code List

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