WHEATHER INFO EXAMPLE / XML PARSER EXAMPLE

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EXAMPLE-
MainActivity.java-

package com.example.xmlparser;

import java.io.IOException;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.ParseException;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.util.EntityUtils;

import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.view.View;
import android.widget.EditText;

public class MainActivity extends Activity {

   private String url1 = "http://api.openweathermap.org/data/2.5/weather?q=";
   private String url2 = "&mode=xml";
   private EditText location,country,temperature,humidity,pressure;
   private HandleXML obj;
   @Override
   protected void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
      setContentView(R.layout.activity_main);
      location = (EditText)findViewById(R.id.editText1);
      country = (EditText)findViewById(R.id.editText2);
      temperature = (EditText)findViewById(R.id.editText3);
      humidity = (EditText)findViewById(R.id.editText4);
      pressure = (EditText)findViewById(R.id.editText5);
   }

   @Override
   public boolean onCreateOptionsMenu(Menu menu) {
   // Inflate the menu; this adds items to the action bar if it is present.
   getMenuInflater().inflate(R.menu.main, menu);
   return true;
   }

   public void open(View view){
      String url = location.getText().toString();
      String finalUrl = url1 + url + url2;
      country.setText(finalUrl);
      obj = new HandleXML(finalUrl);
      obj.fetchXML();
      while(obj.parsingComplete);
      country.setText(obj.getCountry());
      temperature.setText(obj.getTemperature());
      humidity.setText(obj.getHumidity());
      pressure.setText(obj.getPressure());

   }

}

 HandleXML.java-

package com.example.xmlparser;
import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.util.EntityUtils;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;
import org.xmlpull.v1.XmlPullParserFactory;

import android.util.Log;
import android.view.View;
import android.widget.EditText;
import android.widget.Toast;


public class HandleXML {

   private String country = "county";
   private String temperature = "temperature";
   private String humidity = "humidity";
   private String pressure = "pressure";
   private String urlString = null;
   private XmlPullParserFactory xmlFactoryObject;
   public volatile boolean parsingComplete = true;
   public HandleXML(String url){
      this.urlString = url;
   }
   public String getCountry(){
      return country;
   }
   public String getTemperature(){
      return temperature;
   }
   public String getHumidity(){
      return humidity;
   }
   public String getPressure(){
      return pressure;
   }

   public void parseXMLAndStoreIt(XmlPullParser myParser) {
      int event;
      String text=null;
      try {
         event = myParser.getEventType();
         while (event != XmlPullParser.END_DOCUMENT) {
            String name=myParser.getName();
            switch (event){
               case XmlPullParser.START_TAG:
               break;
               case XmlPullParser.TEXT:
               text = myParser.getText();
               break;

               case XmlPullParser.END_TAG:
                  if(name.equals("country")){
                     country = text;
                  }
                  else if(name.equals("humidity")){  
                     humidity = myParser.getAttributeValue(null,"value");
                  }
                  else if(name.equals("pressure")){
                     pressure = myParser.getAttributeValue(null,"value");
                  }
                  else if(name.equals("temperature")){
                     temperature = myParser.getAttributeValue(null,"value");
                  }
                  else{
                  }
                  break;
                  }   
                  event = myParser.next(); 

              }
                 parsingComplete = false;
      } catch (Exception e) {
         e.printStackTrace();
      }

   }
   public void fetchXML(){
      Thread thread = new Thread(new Runnable(){
         @Override
         public void run() {
            try {
               URL url = new URL(urlString);
               HttpURLConnection conn = (HttpURLConnection) 
               url.openConnection();
                  conn.setReadTimeout(10000 /* milliseconds */);
                  conn.setConnectTimeout(15000 /* milliseconds */);
                  conn.setRequestMethod("GET");
                  conn.setDoInput(true);
                  conn.connect();
            InputStream stream = conn.getInputStream();

            xmlFactoryObject = XmlPullParserFactory.newInstance();
            XmlPullParser myparser = xmlFactoryObject.newPullParser();

            myparser.setFeature(XmlPullParser.FEATURE_PROCESS_NAMESPACES
            , false);
            myparser.setInput(stream, null);
            parseXMLAndStoreIt(myparser);
            stream.close();
            } catch (Exception e) {
               e.printStackTrace();
            }
        }
    });

    thread.start(); 


   }

}

activity_main.xml-

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
   xmlns:tools="http://schemas.android.com/tools"
   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=".MainActivity" >

   <TextView
      android:id="@+id/textView1"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:layout_alignParentLeft="true"
      android:layout_alignParentTop="true"
      android:layout_marginTop="15dp"
      android:text="@string/location"
      android:textAppearance="?android:attr/textAppearanceMedium" />

   <EditText
      android:id="@+id/editText1"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:layout_alignBottom="@+id/textView1"
      android:layout_alignParentRight="true"
      android:ems="10" />

   <TextView
      android:id="@+id/textView2"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:layout_alignLeft="@+id/textView1"
      android:layout_below="@+id/textView1"
      android:layout_marginTop="68dp"
      android:text="@string/country"
      android:textAppearance="?android:attr/textAppearanceSmall" />

   <TextView
      android:id="@+id/textView3"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:layout_below="@+id/textView2"
      android:layout_marginTop="19dp"
      android:text="@string/temperature"
      android:textAppearance="?android:attr/textAppearanceSmall" />

   <TextView
      android:id="@+id/textView4"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:layout_alignLeft="@+id/textView3"
      android:layout_below="@+id/textView3"
      android:layout_marginTop="32dp"
      android:text="@string/humidity"
      android:textAppearance="?android:attr/textAppearanceSmall" />

   <TextView
      android:id="@+id/textView5"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:layout_alignLeft="@+id/textView4"
      android:layout_below="@+id/textView4"
      android:layout_marginTop="21dp"
      android:text="@string/pressure"
      android:textAppearance="?android:attr/textAppearanceSmall" />

   <EditText
      android:id="@+id/editText2"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:layout_above="@+id/textView3"
      android:layout_toRightOf="@+id/textView3"
      android:ems="10" >

      <requestFocus />
   </EditText>

   <EditText
      android:id="@+id/editText3"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:layout_alignBaseline="@+id/textView3"
      android:layout_alignBottom="@+id/textView3"
      android:layout_alignLeft="@+id/editText2"
      android:ems="10" />

   <EditText
      android:id="@+id/editText4"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:layout_above="@+id/textView5"
      android:layout_alignLeft="@+id/editText1"
      android:ems="10" />

   <EditText
      android:id="@+id/editText5"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:layout_alignBaseline="@+id/textView5"
      android:layout_alignBottom="@+id/textView5"
      android:layout_alignRight="@+id/editText4"
      android:ems="10" />

   <Button
      android:id="@+id/button1"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:layout_alignLeft="@+id/editText2"
      android:layout_below="@+id/editText1"
      android:onClick="open"
      android:text="@string/weather" />

</RelativeLayout>

 STRINGS-

<?xml version="1.0" encoding="utf-8"?>
<resources>

   <string name="app_name">XMLParser</string>
   <string name="action_settings">Settings</string>
   <string name="hello_world">Hello world!</string>
   <string name="location">Location</string>
   <string name="country">Country:</string>
   <string name="temperature">Temperature:</string>
   <string name="humidity">Humidity:</string>
   <string name="pressure">Pressure:</string>
   <string name="weather">Weather</string>
</resources>