Start audio recording with intent of MediaStore.Audio.Media.RECORD_SOUND_ACTION

package com.exercise.AndroidIntentAudioRecording;

import android.app.Activity;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.provider.MediaStore;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;

public class AndroidIntentAudioRecording extends Activity {

final static int RQS_RECORDING = 1;

Uri savedUri;

Button buttonRecord;

/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
buttonRecord = (Button)findViewById(R.id.record);

buttonRecord.setOnClickListener(new Button.OnClickListener(){

@Override
public void onClick(View arg0) {
// TODO Auto-generated method stub
Intent intent =
new Intent(MediaStore.Audio.Media.RECORD_SOUND_ACTION);
startActivityForResult(intent, RQS_RECORDING);
}});
}

@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
// TODO Auto-generated method stub
if(requestCode == RQS_RECORDING){
savedUri = data.getData();
Toast.makeText(AndroidIntentAudioRecording.this,
"Saved: " + savedUri.getPath(),
Toast.LENGTH_LONG).show();
}
}  
}

<?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"
/>
<Button 
android:id="@+id/record"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="Record"
/>
</LinearLayout>

Download the files.

Related:
- Play audio using MediaPlayer