[Android] Play audio file from url

Public on July 27, 2014

Filayout : testaudiofromurl.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
android:id="@+id/widget31"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
xmlns:android="http://schemas.android.com/apk/res/android">
    <EditText
        android:id="@+id/EditTextSongURL"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:layout_alignParentRight="true"
        android:layout_alignParentTop="true"
        android:ems="10"
        android:height="100dp"
        android:lines="3"
        android:maxLines="3"
        android:minLines="1" >

        <requestFocus />

        <requestFocus />

    </EditText>

    <ImageButton
        android:id="@+id/ButtonTestPlayPause"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_below="@+id/EditTextSongURL"
        android:layout_centerHorizontal="true"
        android:contentDescription="TestPlayPause"
        android:onClick="onClick"/>

    <SeekBar
        android:id="@+id/SeekBarTestPlay"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:layout_below="@+id/ButtonTestPlayPause" />
    
 </RelativeLayout> 

//Code ::Mainactivity.java

package com.example.androidtest2;
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 testaudiofromurl 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.testaudiofromurl);
        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("http://tiennamdinh.freevnn.com/mp3voa/nguyenvanthanh.mp3");

  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.ic_launcher);
   }else {
    mediaPlayer.pause();
    buttonPlayPause.setImageResource(R.drawable.ic_launcher);
   }

   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.ic_launcher);
 }

 @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);
 }
}





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