Read Text file from internet, using Java code

This exercise show how to read text file from internet. The file's url is hard coded to be "http://sites.google.com/site/androidersite/text.txt".

package com.exercise.AndroidInternetTxt;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.MalformedURLException;
import java.net.URL;

import android.app.Activity;
import android.os.Bundle;
import android.widget.TextView;

public class AndroidInternetTxt extends Activity {
 
 TextView textMsg, textPrompt;
 final String textSource = "http://sites.google.com/site/androidersite/text.txt";
 
   /** Called when the activity is first created. */
   @Override
   public void onCreate(Bundle savedInstanceState) {
       super.onCreate(savedInstanceState);
       setContentView(R.layout.main);
       textPrompt = (TextView)findViewById(R.id.textprompt);
       textMsg = (TextView)findViewById(R.id.textmsg);
      
       textPrompt.setText("Wait...");
      
       URL textUrl;
  try {
   textUrl = new URL(textSource);
   BufferedReader bufferReader = new BufferedReader(new InputStreamReader(textUrl.openStream()));
   String StringBuffer;
         String stringText = "";
   while ((StringBuffer = bufferReader.readLine()) != null) {
    stringText += StringBuffer;
   }
         bufferReader.close();
         textMsg.setText(stringText);
  } catch (MalformedURLException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
   textMsg.setText(e.toString());
  } catch (IOException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
   textMsg.setText(e.toString());
  }
  
  textPrompt.setText("Finished!");

   }
}

main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
   android:orientation="vertical"
   android:layout_width="fill_parent"
   android:layout_height="fill_parent"
   >
<TextView 
   android:layout_width="fill_parent"
   android:layout_height="wrap_content"
   android:text="@string/hello"
   />
<TextView 
   android:id="@+id/textprompt"
   android:layout_width="fill_parent"
   android:layout_height="wrap_content"
   />
<TextView 
   android:id="@+id/textmsg"
   android:layout_width="fill_parent"
   android:layout_height="wrap_content"
   />
</LinearLayout>

Modify AndroidManifest.xml to grant permission of "android.permission.INTERNET".

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.exercise.AndroidInternetTxt"
     android:versionCode="1"
     android:versionName="1.0">
   <uses-sdk android:minSdkVersion="4" />
   <uses-permission android:name="android.permission.INTERNET"></uses-permission>

   <application android:icon="@drawable/icon" android:label="@string/app_name">
       <activity android:name=".AndroidInternetTxt"
                 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>

Download the files.