Play Audio File From Server in Android

XML FILE

<?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">

    <EditText
        android:id="@+id/EditTextSongURL"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:ems="10" >

        <requestFocus />
    </EditText>

    <ImageButton
        android:id="@+id/ButtonTestPlayPause"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_margin="10dp"
        android:src="@drawable/play" />

    <SeekBar
        android:id="@+id/SeekBarTestPlay"
        android:layout_margin="10dp"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />

</LinearLayout>

MAINACTIVITY.JAVA

package com.example.audioplay;

import android.app.Activity;
import android.media.MediaPlayer;
import android.media.MediaPlayer.OnBufferingUpdateListener;
import android.media.MediaPlayer.OnCompletionListener;
import android.os.Bundle;
import android.os.Handler;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.View.OnTouchListener;
import android.widget.EditText;
import android.widget.ImageButton;
import android.widget.SeekBar;

public class MainActivity extends Activity implements OnClickListener, OnTouchListener, OnCompletionListener, OnBufferingUpdateListener{

private ImageButton buttonPlayPause;
private SeekBar seekBarProgress;
public EditText editTextSongURL;

private MediaPlayer mediaPlayer;
private int mediaFileLengthInMilliseconds; // this value contains the song duration in milliseconds. Look at getDuration() method in MediaPlayer class

private final Handler handler = new Handler();

/** Called when the activity is first created. */
   @Override
   public void onCreate(Bundle savedInstanceState) {
       super.onCreate(savedInstanceState);
       setContentView(R.layout.activity_main);
       initView();
   }
 
   /** This method initialise all the views in project*/
   private void initView() {
buttonPlayPause = (ImageButton)findViewById(R.id.ButtonTestPlayPause);
buttonPlayPause.setOnClickListener(this);

seekBarProgress = (SeekBar)findViewById(R.id.SeekBarTestPlay);
seekBarProgress.setMax(99); // It means 100% .0-99
seekBarProgress.setOnTouchListener(this);
editTextSongURL = (EditText)findViewById(R.id.EditTextSongURL);
editTextSongURL.setText(R.string.testsong_20_sec);

mediaPlayer = new MediaPlayer();
mediaPlayer.setOnBufferingUpdateListener(this);
mediaPlayer.setOnCompletionListener(this);
}

/** Method which updates the SeekBar primary progress by current song playing position*/
   private void primarySeekBarProgressUpdater() {
    seekBarProgress.setProgress((int)(((float)mediaPlayer.getCurrentPosition()/mediaFileLengthInMilliseconds)*100)); // This math construction give a percentage of "was playing"/"song length"
if (mediaPlayer.isPlaying()) {
Runnable notification = new Runnable() {
       public void run() {
        primarySeekBarProgressUpdater();
}
   };
   handler.postDelayed(notification,1000);
    }
   }

@Override
public void onClick(View v) {
if(v.getId() == R.id.ButtonTestPlayPause){
/** ImageButton onClick event handler. Method which start/pause mediaplayer playing */
try {
mediaPlayer.setDataSource(editTextSongURL.getText().toString()); // setup song from http://www.hrupin.com/wp-content/uploads/mp3/testsong_20_sec.mp3 URL to mediaplayer data source
mediaPlayer.prepare(); // you must call this method after setup the datasource in setDataSource method. After calling prepare() the instance of MediaPlayer starts load data from URL to internal buffer.
} catch (Exception e) {
e.printStackTrace();
}

mediaFileLengthInMilliseconds = mediaPlayer.getDuration(); // gets the song length in milliseconds from URL

if(!mediaPlayer.isPlaying()){
mediaPlayer.start();
buttonPlayPause.setImageResource(R.drawable.pause);
}else {
mediaPlayer.pause();
buttonPlayPause.setImageResource(R.drawable.play);
}

primarySeekBarProgressUpdater();
}
}

@Override
public boolean onTouch(View v, MotionEvent event) {
if(v.getId() == R.id.SeekBarTestPlay){
/** Seekbar onTouch event handler. Method which seeks MediaPlayer to seekBar primary progress position*/
if(mediaPlayer.isPlaying()){
    SeekBar sb = (SeekBar)v;
int playPositionInMillisecconds = (mediaFileLengthInMilliseconds / 100) * sb.getProgress();
mediaPlayer.seekTo(playPositionInMillisecconds);
}
}
return false;
}

@Override
public void onCompletion(MediaPlayer mp) {
/** MediaPlayer onCompletion event handler. Method which calls then song playing is complete*/
buttonPlayPause.setImageResource(R.drawable.play);
}

@Override
public void onBufferingUpdate(MediaPlayer mp, int percent) {
/** Method which updates the SeekBar secondary progress by current song loading from URL position*/
seekBarProgress.setSecondaryProgress(percent);
}
}

ADD FOLLOWING USES PERMISSION

<uses-permission android:name="android.permission.INTERNET"/>
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>