android 录音 播放

AndroidManifest先添加两个权限

代码：转自：http://blog.csdn.net/cxf7394373/article/details/8313980

package com.cxf;


import java.io.IOException;


import android.app.Activity;
import android.media.MediaPlayer;
import android.media.MediaRecorder;
import android.os.Bundle;
import android.os.Environment;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;


public class RecordActivity extends Activity {
   
private static final String LOG_TAG = "AudioRecordTest";
//语音文件保存路径
private String FileName = null;

//界面控件
private Button startRecord; 
private Button startPlay;
private Button stopRecord;
private Button stopPlay;

//语音操作对象
private MediaPlayer mPlayer = null;
private MediaRecorder mRecorder = null;

Boolean isRecstop = false;
/** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        
        //开始录音
        startRecord = (Button)findViewById(R.id.startRecord);
        startRecord.setText(R.string.startRecord);
        //绑定监听器
        startRecord.setOnClickListener(new startRecordListener());
        
        //结束录音
        stopRecord = (Button)findViewById(R.id.stopRecord);
        stopRecord.setText(R.string.stopRecord);
        stopRecord.setOnClickListener(new stopRecordListener());
        
        //开始播放
        startPlay = (Button)findViewById(R.id.startPlay);
        startPlay.setText(R.string.startPlay);
        //绑定监听器
        startPlay.setOnClickListener(new startPlayListener());
        
        //结束播放
        stopPlay = (Button)findViewById(R.id.stopPlay);
        stopPlay.setText(R.string.stopPlay);
        stopPlay.setOnClickListener(new stopPlayListener());
        
        //设置sdcard的路径
        FileName = Environment.getExternalStorageDirectory().getAbsolutePath();
        FileName += "/audiorecordtest.3gp";
    }
    //开始录音
    class startRecordListener implements OnClickListener{


@Override
public void onClick(View v) {
// TODO Auto-generated method stub
mRecorder = new MediaRecorder();
    mRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
    mRecorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP);
    mRecorder.setOutputFile(FileName);
    mRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);
    try {
        mRecorder.prepare();

mRecorder.start();
    } catch (IOException e) {
        Log.e(LOG_TAG, "prepare() failed");
    }
   
}
   
    }
    //停止录音
    class stopRecordListener implements OnClickListener{


@Override
public void onClick(View v) {
// TODO Auto-generated method stub

if（！isRecstop）{

mRecorder.stop();
 

}

isRecStop = true；

}
   
    }
    //播放录音
    class startPlayListener implements OnClickListener{


@Override
public void onClick(View v) {
// TODO Auto-generated method stub
mPlayer = new MediaPlayer();
try{
mPlayer.setDataSource(FileName);
mPlayer.prepare();
mPlayer.start();
}catch(IOException e){
Log.e(LOG_TAG,"播放失败");
}
}
   
    }
    //停止播放录音
    class stopPlayListener implements OnClickListener{


@Override
public void onClick(View v) {
// TODO Auto-generated method stub
mPlayer.release();
       mPlayer = null;
}
   
    }
}