MediaRecorder Demo : MediaRecorder « Media « Android

1. Android
2. Media
3. MediaRecorder

MediaRecorder Demo

   

//main.xml


<?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">
  <Button
    android:id="@+id/startButton"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:text="Start Recording"
  />
  <Button
    android:id="@+id/stopButton"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:text="Stop Recording"
    android:enabled="false"
  />
</LinearLayout>
package com.examples.audioin;

import java.io.File;

import android.app.Activity;
import android.media.MediaRecorder;
import android.os.Bundle;
import android.os.Environment;
import android.view.View;
import android.widget.Button;

public class RecordActivity extends Activity {
    
    private MediaRecorder recorder;
    private Button start, stop;
    File path;
    
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        
        start = (Button)findViewById(R.id.startButton);
        start.setOnClickListener(startListener);
        stop = (Button)findViewById(R.id.stopButton);
        stop.setOnClickListener(stopListener);
        
        recorder = new MediaRecorder();
        path = new File(Environment.getExternalStorageDirectory(),"myRecording.3gp");
        
        resetRecorder();
    }
    
    @Override
    public void onDestroy() {
        super.onDestroy();
        recorder.release();
    }
    
    private void resetRecorder() {
        recorder.setAudioSource(MediaRecorder.AudioSource.MIC);
        recorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP);
        recorder.setAudioEncoder(MediaRecorder.AudioEncoder.DEFAULT);
        recorder.setOutputFile(path.getAbsolutePath());
        try {
            recorder.prepare();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    
    private View.OnClickListener startListener = new View.OnClickListener() {     
        @Override
        public void onClick(View v) {
            try {
                recorder.start();
                
                start.setEnabled(false);
                stop.setEnabled(true);
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    };
    
    private View.OnClickListener stopListener = new View.OnClickListener() {     
        @Override
        public void onClick(View v) {
            recorder.stop();
            resetRecorder();
            
            start.setEnabled(true);
            stop.setEnabled(false);
        }
    };
}

   
    
    
  

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