android java audio play example

Activity class

Let's write the code of to play the audio file. Here, we are going to play maine.mp3 file located inside the sdcard/Music directory.

File: MainActivity.java

1. package com.example.audiomediaplayer1;  
2.   
3. import android.media.MediaPlayer;  
4. import android.net.Uri;  
5. import android.os.Bundle;  
6. import android.app.Activity;  
7. import android.view.Menu;  
8. import android.widget.MediaController;  
9. import android.widget.VideoView;  
10.   
11. public class MainActivity extends Activity {  
12.   
13.     @Override  
14.     protected void onCreate(Bundle savedInstanceState) {  
15.         super.onCreate(savedInstanceState);  
16.         setContentView(R.layout.activity_main);  
17.           
18.         MediaPlayer mp=new MediaPlayer();  
19.         try{  
20.             mp.setDataSource("/sdcard/Music/maine.mp3");//Write your location here  
21.             mp.prepare();  
22.             mp.start();  
23.               
24.         }catch(Exception e){e.printStackTrace();}  
25.           
26.     }  
27.   
28.     @Override  
29.     public boolean onCreateOptionsMenu(Menu menu) {  
30.         // Inflate the menu; this adds items to the action bar if it is present.  
31.         getMenuInflater().inflate(R.menu.activity_main, menu);  
32.         return true;  
33.     }  
34.   
35. }  

Android MediaPlayer Example of controlling the audio

Let's see a simple example to start, stop and pause the audio play.

activity_main.xml

Drag three buttons from pallete to start, stop and pause the audio play. Now the xml file will look like this:

File: MainActivity.java

1. <RelativeLayout xmlns:androclass="http://schemas.android.com/apk/res/android"  
2.     xmlns:tools="http://schemas.android.com/tools"  
3.     android:layout_width="match_parent"  
4.     android:layout_height="match_parent"  
5.     android:paddingBottom="@dimen/activity_vertical_margin"  
6.     android:paddingLeft="@dimen/activity_horizontal_margin"  
7.     android:paddingRight="@dimen/activity_horizontal_margin"  
8.     android:paddingTop="@dimen/activity_vertical_margin"  
9.     tools:context=".MainActivity" >  
10.   
11.     <TextView  
12.         android:id="@+id/textView1"  
13.         android:layout_width="wrap_content"  
14.         android:layout_height="wrap_content"  
15.         android:layout_alignParentTop="true"  
16.         android:layout_marginTop="30dp"  
17.         android:text="Audio Controller" />  
18.   
19.     <Button  
20.         android:id="@+id/button1"  
21.         style="?android:attr/buttonStyleSmall"  
22.         android:layout_width="wrap_content"  
23.         android:layout_height="wrap_content"  
24.         android:layout_alignLeft="@+id/textView1"  
25.         android:layout_below="@+id/textView1"  
26.         android:layout_marginTop="48dp"  
27.         android:text="start" />  
28.   
29.     <Button  
30.         android:id="@+id/button2"  
31.         style="?android:attr/buttonStyleSmall"  
32.         android:layout_width="wrap_content"  
33.         android:layout_height="wrap_content"  
34.         android:layout_alignTop="@+id/button1"  
35.         android:layout_toRightOf="@+id/button1"  
36.         android:text="pause" />  
37.   
38.     <Button  
39.         android:id="@+id/button3"  
40.         style="?android:attr/buttonStyleSmall"  
41.         android:layout_width="wrap_content"  
42.         android:layout_height="wrap_content"  
43.         android:layout_alignTop="@+id/button2"  
44.         android:layout_toRightOf="@+id/button2"  
45.         android:text="stop" />  
46.   
47. </RelativeLayout>  

Activity class

Let's write the code to start, pause and stop the audio player.

File: MainActivity.java

1. package com.example.audioplay;  
2.   
3. import android.media.MediaPlayer;  
4. import android.os.Bundle;  
5. import android.os.Environment;  
6. import android.app.Activity;  
7. import android.view.Menu;  
8. import android.view.View;  
9. import android.view.View.OnClickListener;  
10. import android.widget.Button;  
11.   
12. public class MainActivity extends Activity {  
13.     Button start,pause,stop;  
14.     @Override  
15.     protected void onCreate(Bundle savedInstanceState) {  
16.         super.onCreate(savedInstanceState);  
17.         setContentView(R.layout.activity_main);  
18.           
19.         start=(Button)findViewById(R.id.button1);  
20.         pause=(Button)findViewById(R.id.button2);  
21.         stop=(Button)findViewById(R.id.button3);  
22.         //creating media player  
23.         final MediaPlayer mp=new MediaPlayer();  
24.         try{  
25.                 //you can change the path, here path is external directory(e.g. sdcard) /Music/maine.mp3  
26.         mp.setDataSource(Environment.getExternalStorageDirectory().getPath()+"/Music/maine.mp3");  
27.           
28.         mp.prepare();  
29.         }catch(Exception e){e.printStackTrace();}  
30.           
31.         start.setOnClickListener(new OnClickListener() {  
32.             @Override  
33.             public void onClick(View v) {  
34.                 mp.start();  
35.             }  
36.         });  
37.         pause.setOnClickListener(new OnClickListener() {  
38.             @Override  
39.             public void onClick(View v) {  
40.                 mp.pause();  
41.             }  
42.         });  
43.         stop.setOnClickListener(new OnClickListener() {  
44.             @Override  
45.             public void onClick(View v) {  
46.                 mp.stop();  
47.             }  
48.         });  
49.     }  
50. }