MainActivity.java

package com.hussienalrubaye.services;



import android.os.AsyncTask;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.EditText;
import android.widget.Toast;

import org.json.JSONObject;

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


public class MainActivity extends AppCompatActivity {
EditText etCity;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        etCity=(EditText) findViewById(R.id.etCity);

    }


    public void buGet(View view) {

        String url="https://query.yahooapis.com/v1/public/yql?q=select%20*%20from%20weather.forecast%20where%20woeid%20in%20(select%20woeid%20from%20geo.places(1)%20where%20text%3D%22"+ etCity.getText().toString() +"%22)&format=json&env=store%3A%2F%2Fdatatables.org%2Falltableswithkeys";

        new MyAsyncTaskgetNews().execute(url);

    }

    // get news from server
    public class MyAsyncTaskgetNews extends AsyncTask<String, String, String> {
        @Override
        protected void onPreExecute() {
            //before works
        }
        @Override
        protected String  doInBackground(String... params) {
            // TODO Auto-generated method stub
            try {
                String NewsData;
                //define the url we have to connect with
                URL url = new URL(params[0]);
                //make connect with url and send request
                HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
                //waiting for 7000ms for response
                urlConnection.setConnectTimeout(7000);//set timeout to 5 seconds

                try {
                    //getting the response data
                    InputStream in = new BufferedInputStream(urlConnection.getInputStream());
                    //convert the stream to string
                    NewsData = ConvertInputToStringNoChange(in);
                    //send to display data
                    publishProgress(NewsData);
                } finally {
                    //end connection
                    urlConnection.disconnect();
                }

            }catch (Exception ex){}
            return null;
        }
        protected void onProgressUpdate(String... progress) {

            try {
                JSONObject json= new JSONObject(progress[0]);

                JSONObject query=json.getJSONObject("query");
                JSONObject results=query.getJSONObject("results");
                JSONObject channel=results.getJSONObject("channel");
                JSONObject astronomy=channel.getJSONObject("astronomy");
                String sunset=astronomy.getString("sunset");
                String sunrise=astronomy.getString("sunrise");

                //display response data
                Toast.makeText(getApplicationContext(),"sunset:"+ sunset + ",sunrise:"+ sunrise,Toast.LENGTH_LONG).show();

            } catch (Exception ex) {
            }


        }

        protected void onPostExecute(String  result2){


        }




    }

    // this method convert any stream to string
    public static String ConvertInputToStringNoChange(InputStream inputStream) {

        BufferedReader bureader=new BufferedReader( new InputStreamReader(inputStream));
        String line ;
        String linereultcal="";

        try{
            while((line=bureader.readLine())!=null) {

                linereultcal+=line;

            }
            inputStream.close();


        }catch (Exception ex){}

        return linereultcal;
    }

}