Android audio tutorial

Android Audio recorder is use to record the voice and listen to it. In this tutorial you will learn how to create your own audio recording application and you can save your audio in your phone.

Android application user can easily record their voice as audio. Follow the below steps to create your own audio player.

Step 1.

Create new application with any name from file menu option.

File → New Project → Application name → select API → Add Blank Activity → Activity Name → finish

Step 2.

In activity_main.xml layout file design your application.

Add following Controls:-

• Three Button's
• ImageView(Optional) to displaying image.

Step 3.

Import Package and write following coding in MainActivity.java class file.

    import android.widget.Button;
    import android.media.MediaPlayer;
    import android.media.MediaRecorder;
    import android.os.Environment;
    import android.app.Activity;
    import android.view.View;
    import android.widget.Toast;
    import java.io.IOException;


public class MainActivity extends ActionBarActivity {
    private MediaRecorder myAudioRecorder;
    private String outputFile = null;
    private Button start,stop,play;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        start = (Button)findViewById(R.id.button1);
        stop = (Button)findViewById(R.id.button2);
        play = (Button)findViewById(R.id.button3);
        
        stop.setEnabled(false);
        play.setEnabled(false);
        outputFile = Environment.getExternalStorageDirectory().
        getAbsolutePath() + "/myrecording.3gp";
        
        myAudioRecorder = new MediaRecorder();
        myAudioRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
        myAudioRecorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP);
        myAudioRecorder.setAudioEncoder(MediaRecorder.OutputFormat.AMR_NB);
        myAudioRecorder.setOutputFile(outputFile);
    }
    
    public void start(View view){
        try
        {
            myAudioRecorder.prepare();
            myAudioRecorder.start();
        }
        catch (IllegalStateException e)
        {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        catch (IOException e)
        {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        start.setEnabled(false);
        stop.setEnabled(true);
        Toast.makeText(getApplicationContext(), "Recording started", Toast.LENGTH_LONG).show();
        
    }
    
    public void stop(View view){
        myAudioRecorder.stop();
        myAudioRecorder.release();
        myAudioRecorder  = null;
        stop.setEnabled(false);
        play.setEnabled(true);
        Toast.makeText(getApplicationContext(), "Audio recorded successfully",Toast.LENGTH_LONG).show();
    }
    
    public void play(View view) throws IllegalArgumentException,SecurityException, IllegalStateException, IOException
    {
        
        MediaPlayer m = new MediaPlayer();
        m.setDataSource(outputFile);
        m.prepare();
        m.start();
        Toast.makeText(getApplicationContext(), "Playing audio", Toast.LENGTH_LONG).show();
        
    }
    

Step 4.

Now add some code in AndroidManifest.xml file.

Go to → app → manifest → AndroidManifest.xml file.

    <?xml version="1.0" encoding="utf-8"?>
    <manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.sumit.audioapp"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk
        android:minSdkVersion="17"
        android:targetSdkVersion="21" />

    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
    <uses-permission android:name="android.permission.RECORD_AUDIO" />

    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name="com.example.sumit.audioapp.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>

Step 5. Final Output

Now your task has been complete. Now you have to test this application in your phone. So copy apk file in your phone and install it.