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package androiddemo.example.duyhoang.xmlparsedemo; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.widget.Button; import android.widget.EditText; public class MainActivity extends AppCompatActivity { private EditText txt1, txt2, txt3, txt4, txt5; private String url1 = "http://api.openweathermap.org/data/2.5/weather?q="; private String url2 = "&mode=xml"; private HandleXml obj; Button btnWeather; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); btnWeather = (Button) findViewById(R.id.btn_weather); txt1 = (EditText) findViewById(R.id.txtLocation); txt2 = (EditText) findViewById(R.id.txt_curency); txt3 = (EditText) findViewById(R.id.txt_temp); txt4 = (EditText) findViewById(R.id.txt_humidity); txt5 = (EditText) findViewById(R.id.txt_pressure); btnWeather.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { String url = txt1.getText().toString(); String finalUrl = url1 + url + url2; txt2.setText(finalUrl); obj = new HandleXml(finalUrl); obj.fetchXML(); while (obj.parsingComplete) ; txt2.setText(obj.getCountry()); txt3.setText(obj.getTemperature()); txt4.setText(obj.getHumidity()); txt5.setText(obj.getPressure()); } }); } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.menu_main, menu); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { // Handle action bar item clicks here. The action bar will // automatically handle clicks on the Home/Up button, so long // as you specify a parent activity in AndroidManifest.xml. int id = item.getItemId(); //noinspection SimplifiableIfStatement if (id == R.id.action_settings) { return true; } return super.onOptionsItemSelected(item); } }
Following is the content of src/com.example.xmlparser/HandleXML.java.
package androiddemo.example.duyhoang.xmlparsedemo; import android.util.Xml; import org.xmlpull.v1.XmlPullParser; import org.xmlpull.v1.XmlPullParserFactory; import java.io.InputStream; import java.net.HttpURLConnection; import java.net.URL; /** * Created by DUYHOANG on 9/10/2015. */public class HandleXml { private String country = "country"; 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 parseXMLAndStorelt(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 connect = (HttpURLConnection) url.openConnection(); connect.setReadTimeout(10000); connect.setConnectTimeout(15000); connect.setRequestMethod("GET"); connect.setDoInput(true); connect.connect(); InputStream stream = connect.getInputStream(); xmlFactoryObject = XmlPullParserFactory.newInstance(); XmlPullParser myparser = xmlFactoryObject.newPullParser(); myparser.setFeature(XmlPullParser.FEATURE_PROCESS_NAMESPACES, false); myparser.setInput(stream, null); parseXMLAndStorelt(myparser); stream.close(); } catch (Exception e) { e.printStackTrace(); } } }); thread.start(); } }Following is the modified content of the xml res/layout/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_alignParentTop="true" android:layout_centerHorizontal="true" android:text="@string/fetch" android:textSize="30dp" /> <TextView android:id="@+id/textView2" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_below="@+id/textView1" android:layout_centerHorizontal="true" android:gravity="center" android:text="@string/weather_report" android:textColor="@color/text_color" android:textSize="30dp" android:textStyle="bold" /> <EditText android:id="@+id/txtLocation" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_below="@+id/textView2" android:hint="@string/Location" /> <Button android:id="@+id/btn_weather" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_below="@+id/txtLocation" android:layout_centerHorizontal="true" android:text="@string/weather" /> <LinearLayout android:id="@+id/linearLayout1" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_below="@id/btn_weather" android:orientation="vertical"> <EditText android:id="@+id/txt_curency" android:layout_width="match_parent" android:layout_height="wrap_content" android:text="@string/curency" /> <EditText android:id="@+id/txt_temp" android:text="@string/temp" android:layout_width="match_parent" android:layout_height="wrap_content" /> <EditText android:id="@+id/txt_humidity" android:text="@string/humidity" android:layout_width="match_parent" android:layout_height="wrap_content" /> <EditText android:id="@+id/txt_pressure" android:text="@string/pressure" android:layout_width="match_parent" android:layout_height="wrap_content" /> </LinearLayout> </RelativeLayout>Following is the content of AndroidManifest.xml file.<?xml version="1.0" encoding="utf-8"?><manifest xmlns:android="http://schemas.android.com/apk/res/android" package="androiddemo.example.duyhoang.xmlparsedemo" > <uses-permission android:name="android.permission.INTERNET"/> <application android:allowBackup="true" android:icon="@mipmap/ic_launcher" android:label="@string/app_name" android:theme="@style/AppTheme" > <activity android:name=".MainActivity" android:label="@string/app_name" > <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> </application> </manifest>Thank's for watching. good luck!!!