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Android錄音--AudioRecord、MediaRecorder的使用

 更新時(shí)間:2017年02月25日 14:19:37   作者:風(fēng)傾清凌  
本篇文章主要介紹了Android錄音--AudioRecord、MediaRecorder的使用,小編覺(jué)得挺不錯(cuò)的,現(xiàn)在分享給大家,也給大家做個(gè)參考。一起跟隨小編過(guò)來(lái)看看吧

Android提供了兩個(gè)API用于實(shí)現(xiàn)錄音功能:android.media.AudioRecord、android.media.MediaRecorder。

網(wǎng)上有很多談?wù)撨@兩個(gè)類的資料?,F(xiàn)在大致總結(jié)下:

1、AudioRecord

主要是實(shí)現(xiàn)邊錄邊播(AudioRecord+AudioTrack)以及對(duì)音頻的實(shí)時(shí)處理(如會(huì)說(shuō)話的湯姆貓、語(yǔ)音)

優(yōu)點(diǎn):語(yǔ)音的實(shí)時(shí)處理,可以用代碼實(shí)現(xiàn)各種音頻的封裝

缺點(diǎn):輸出是PCM語(yǔ)音數(shù)據(jù),如果保存成音頻文件,是不能夠被播放器播放的,所以必須先寫代碼實(shí)現(xiàn)數(shù)據(jù)編碼以及壓縮

示例:

使用AudioRecord類錄音,并實(shí)現(xiàn)WAV格式封裝。錄音20s,輸出的音頻文件大概為3.5M左右(已寫測(cè)試代碼)

2、MediaRecorder

已經(jīng)集成了錄音、編碼、壓縮等,支持少量的錄音音頻格式,大概有.aac(API = 16) .amr .3gp

優(yōu)點(diǎn):大部分以及集成,直接調(diào)用相關(guān)接口即可,代碼量小

缺點(diǎn):無(wú)法實(shí)時(shí)處理音頻;輸出的音頻格式不是很多,例如沒(méi)有輸出mp3格式文件

示例:

使用MediaRecorder類錄音,輸出amr格式文件。錄音20s,輸出的音頻文件大概為33K(已寫測(cè)試代碼)

3、音頻格式比較

WAV格式:錄音質(zhì)量高,但是壓縮率小,文件大

AAC格式:相對(duì)于mp3,AAC格式的音質(zhì)更佳,文件更小;有損壓縮;一般蘋果或者Android SDK4.1.2(API 16)及以上版本支持播放

AMR格式:壓縮比比較大,但相對(duì)其他的壓縮格式質(zhì)量比較差,多用于人聲,通話錄音

至于常用的mp3格式,使用MediaRecorder沒(méi)有該視頻格式輸出。一些人的做法是使用AudioRecord錄音,然后編碼成wav格式,再轉(zhuǎn)換成mp3格式

再貼上一些測(cè)試工程。

功能描述:

1、點(diǎn)擊“錄音WAV文件”,開(kāi)始錄音。錄音完成后,生成文件/sdcard/FinalAudio.wav

2、點(diǎn)擊“錄音AMR文件”,開(kāi)始錄音。錄音完成后,生成文件/sdcard/FinalAudio.amr

3、點(diǎn)擊“停止錄音”,停止錄音,并顯示錄音輸出文件以及該文件大小。

大致代碼如下:

1、AudioRecord錄音,封裝成WAV格式

package com.example.audiorecordtest;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import android.media.AudioFormat;

import android.media.AudioRecord;

public class AudioRecordFunc { 

  // 緩沖區(qū)字節(jié)大小 

  private int bufferSizeInBytes = 0;   

  //AudioName裸音頻數(shù)據(jù)文件 ,麥克風(fēng)

  private String AudioName = "";  

  //NewAudioName可播放的音頻文件 

  private String NewAudioName = "";

   

  private AudioRecord audioRecord; 

  private boolean isRecord = false;// 設(shè)置正在錄制的狀態(tài)   

  private static AudioRecordFunc mInstance;     

  private AudioRecordFunc(){     

  }   

  public synchronized static AudioRecordFunc getInstance()

  {

    if(mInstance == null) 

      mInstance = new AudioRecordFunc(); 

    return mInstance; 

  } 

  public int startRecordAndFile() {

    //判斷是否有外部存儲(chǔ)設(shè)備sdcard

    if(AudioFileFunc.isSdcardExit())

    {

      if(isRecord)

      {

        return ErrorCode.E_STATE_RECODING;

      }

      else

      {

        if(audioRecord == null)

          creatAudioRecord();        

        audioRecord.startRecording(); 

        // 讓錄制狀態(tài)為true 

        isRecord = true; 

        // 開(kāi)啟音頻文件寫入線程 

        new Thread(new AudioRecordThread()).start(); 

         

        return ErrorCode.SUCCESS;

      }      

    }    

    else

    {

      return ErrorCode.E_NOSDCARD;      

    }   

  } 

  public void stopRecordAndFile() { 

    close(); 

  }

public long getRecordFileSize(){

    return AudioFileFunc.getFileSize(NewAudioName);

  }

private void close() { 

    if (audioRecord != null) { 

      System.out.println("stopRecord"); 

      isRecord = false;//停止文件寫入 

      audioRecord.stop(); 

      audioRecord.release();//釋放資源 

      audioRecord = null; 

    } 

  }

  private void creatAudioRecord() { 

    // 獲取音頻文件路徑

    AudioName = AudioFileFunc.getRawFilePath();

    NewAudioName = AudioFileFunc.getWavFilePath();    

    // 獲得緩沖區(qū)字節(jié)大小 

    bufferSizeInBytes = AudioRecord.getMinBufferSize(AudioFileFunc.AUDIO_SAMPLE_RATE, 

        AudioFormat.CHANNEL_IN_STEREO, AudioFormat.ENCODING_PCM_16BIT);    

    // 創(chuàng)建AudioRecord對(duì)象 

    audioRecord = new AudioRecord(AudioFileFunc.AUDIO_INPUT, AudioFileFunc.AUDIO_SAMPLE_RATE, 

        AudioFormat.CHANNEL_IN_STEREO, AudioFormat.ENCODING_PCM_16BIT, bufferSizeInBytes); 

  }  

  class AudioRecordThread implements Runnable { 

    @Override 

    public void run() { 

      writeDateTOFile();//往文件中寫入裸數(shù)據(jù) 

      copyWaveFile(AudioName, NewAudioName);//給裸數(shù)據(jù)加上頭文件 

    } 

  } 

  /** 

   * 這里將數(shù)據(jù)寫入文件,但是并不能播放,因?yàn)锳udioRecord獲得的音頻是原始的裸音頻, 

   * 如果需要播放就必須加入一些格式或者編碼的頭信息。但是這樣的好處就是你可以對(duì)音頻的 裸數(shù)據(jù)進(jìn)行處理,比如你要做一個(gè)愛(ài)說(shuō)話的TOM 

   * 貓?jiān)谶@里就進(jìn)行音頻的處理,然后重新封裝 所以說(shuō)這樣得到的音頻比較容易做一些音頻的處理。 

   */ 

  private void writeDateTOFile() { 

    // new一個(gè)byte數(shù)組用來(lái)存一些字節(jié)數(shù)據(jù),大小為緩沖區(qū)大小 

    byte[] audiodata = new byte[bufferSizeInBytes]; 

    FileOutputStream fos = null; 

    int readsize = 0; 

    try { 

      File file = new File(AudioName); 

      if (file.exists()) { 

        file.delete(); 

      } 

      fos = new FileOutputStream(file);// 建立一個(gè)可存取字節(jié)的文件 

    } catch (Exception e) { 

      e.printStackTrace(); 

    } 

    while (isRecord == true) { 

      readsize = audioRecord.read(audiodata, 0, bufferSizeInBytes); 

      if (AudioRecord.ERROR_INVALID_OPERATION != readsize && fos!=null) { 

        try { 

          fos.write(audiodata); 

        } catch (IOException e) { 

          e.printStackTrace(); 

        } 

      } 

    } 

    try {

      if(fos != null)

        fos.close();// 關(guān)閉寫入流 

    } catch (IOException e) { 

      e.printStackTrace(); 

    } 

  } 

  

  // 這里得到可播放的音頻文件 

  private void copyWaveFile(String inFilename, String outFilename) { 

    FileInputStream in = null; 

    FileOutputStream out = null; 

    long totalAudioLen = 0; 

    long totalDataLen = totalAudioLen + 36; 

    long longSampleRate = AudioFileFunc.AUDIO_SAMPLE_RATE; 

    int channels = 2; 

    long byteRate = 16 * AudioFileFunc.AUDIO_SAMPLE_RATE * channels / 8; 

    byte[] data = new byte[bufferSizeInBytes]; 

    try { 

      in = new FileInputStream(inFilename); 

      out = new FileOutputStream(outFilename); 

      totalAudioLen = in.getChannel().size(); 

      totalDataLen = totalAudioLen + 36; 

      WriteWaveFileHeader(out, totalAudioLen, totalDataLen, 

          longSampleRate, channels, byteRate); 

      while (in.read(data) != -1) { 

        out.write(data); 

      } 

      in.close(); 

      out.close(); 

    } catch (FileNotFoundException e) { 

      e.printStackTrace(); 

    } catch (IOException e) { 

      e.printStackTrace(); 

    } 

  } 

  

  /** 

   * 這里提供一個(gè)頭信息。插入這些信息就可以得到可以播放的文件。 

   * 為我為啥插入這44個(gè)字節(jié),這個(gè)還真沒(méi)深入研究,不過(guò)你隨便打開(kāi)一個(gè)wav 

   * 音頻的文件,可以發(fā)現(xiàn)前面的頭文件可以說(shuō)基本一樣哦。每種格式的文件都有 

   * 自己特有的頭文件。 

   */ 

  private void WriteWaveFileHeader(FileOutputStream out, long totalAudioLen, 

      long totalDataLen, long longSampleRate, int channels, long byteRate) 

      throws IOException { 

    byte[] header = new byte[44]; 

    header[0] = 'R'; // RIFF/WAVE header 

    header[1] = 'I'; 

    header[2] = 'F'; 

    header[3] = 'F'; 

    header[4] = (byte) (totalDataLen & 0xff); 

    header[5] = (byte) ((totalDataLen >> 8) & 0xff); 

    header[6] = (byte) ((totalDataLen >> 16) & 0xff); 

    header[7] = (byte) ((totalDataLen >> 24) & 0xff); 

    header[8] = 'W'; 

    header[9] = 'A'; 

    header[10] = 'V'; 

    header[11] = 'E'; 

    header[12] = 'f'; // 'fmt ' chunk 

    header[13] = 'm'; 

    header[14] = 't'; 

    header[15] = ' '; 

    header[16] = 16; // 4 bytes: size of 'fmt ' chunk 

    header[17] = 0; 

    header[18] = 0; 

    header[19] = 0; 

    header[20] = 1; // format = 1 

    header[21] = 0; 

    header[22] = (byte) channels; 

    header[23] = 0; 

    header[24] = (byte) (longSampleRate & 0xff); 

    header[25] = (byte) ((longSampleRate >> 8) & 0xff); 

    header[26] = (byte) ((longSampleRate >> 16) & 0xff); 

    header[27] = (byte) ((longSampleRate >> 24) & 0xff); 

    header[28] = (byte) (byteRate & 0xff); 

    header[29] = (byte) ((byteRate >> 8) & 0xff); 

    header[30] = (byte) ((byteRate >> 16) & 0xff); 

    header[31] = (byte) ((byteRate >> 24) & 0xff); 

    header[32] = (byte) (2 * 16 / 8); // block align 

    header[33] = 0; 

    header[34] = 16; // bits per sample 

    header[35] = 0; 

    header[36] = 'd'; 

    header[37] = 'a'; 

    header[38] = 't'; 

    header[39] = 'a'; 

    header[40] = (byte) (totalAudioLen & 0xff); 

    header[41] = (byte) ((totalAudioLen >> 8) & 0xff); 

    header[42] = (byte) ((totalAudioLen >> 16) & 0xff); 

    header[43] = (byte) ((totalAudioLen >> 24) & 0xff); 

    out.write(header, 0, 44); 

  } 

} 

2、MediaRecorder錄音,輸出amr格式音頻

package com.example.audiorecordtest;
import java.io.File;

import java.io.IOException;
import android.media.MediaRecorder;
public class MediaRecordFunc { 

  private boolean isRecord = false;
  private MediaRecorder mMediaRecorder;

  private MediaRecordFunc(){

  }

  private static MediaRecordFunc mInstance;

  public synchronized static MediaRecordFunc getInstance(){

    if(mInstance == null)

      mInstance = new MediaRecordFunc();

    return mInstance;

  }

  public int startRecordAndFile(){

    //判斷是否有外部存儲(chǔ)設(shè)備sdcard

    if(AudioFileFunc.isSdcardExit())

    {

      if(isRecord)

      {

        return ErrorCode.E_STATE_RECODING;

      }

      else

      {

        if(mMediaRecorder == null)

          createMediaRecord();

         

        try{

          mMediaRecorder.prepare();

          mMediaRecorder.start();

          // 讓錄制狀態(tài)為true 

          isRecord = true;

          return ErrorCode.SUCCESS;

        }catch(IOException ex){

          ex.printStackTrace();

          return ErrorCode.E_UNKOWN;

        }

      }
  
    }    

    else

    {

      return ErrorCode.E_NOSDCARD;      

    }    

  }
  public void stopRecordAndFile(){

     close();

  }
  public long getRecordFileSize(){

    return AudioFileFunc.getFileSize(AudioFileFunc.getAMRFilePath());

  }
  private void createMediaRecord(){

     /* ①Initial:實(shí)例化MediaRecorder對(duì)象 */

    mMediaRecorder = new MediaRecorder();  

    /* setAudioSource/setVedioSource*/

    mMediaRecorder.setAudioSource(AudioFileFunc.AUDIO_INPUT);//設(shè)置麥克風(fēng)

    /* 設(shè)置輸出文件的格式:THREE_GPP/MPEG-4/RAW_AMR/Default

     * THREE_GPP(3gp格式,H263視頻/ARM音頻編碼)、MPEG-4、RAW_AMR(只支持音頻且音頻編碼要求為AMR_NB)

     */

     mMediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.DEFAULT);

    /* 設(shè)置音頻文件的編碼:AAC/AMR_NB/AMR_MB/Default */

     mMediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.DEFAULT);
    /* 設(shè)置輸出文件的路徑 */

     File file = new File(AudioFileFunc.getAMRFilePath());

     if (file.exists()) { 

       file.delete(); 

     } 

     mMediaRecorder.setOutputFile(AudioFileFunc.getAMRFilePath());

  }
  private void close(){

    if (mMediaRecorder != null) { 

      System.out.println("stopRecord"); 

      isRecord = false;

      mMediaRecorder.stop(); 

      mMediaRecorder.release(); 

      mMediaRecorder = null;

    } 

  }

} 

3、其他文件

AudioFileFunc.java

package com.example.audiorecordtest;

import java.io.File;

import android.media.MediaRecorder;

import android.os.Environment;

 

public class AudioFileFunc {

  //音頻輸入-麥克風(fēng)

  public final static int AUDIO_INPUT = MediaRecorder.AudioSource.MIC;

   

  //采用頻率

  //44100是目前的標(biāo)準(zhǔn),但是某些設(shè)備仍然支持22050,16000,11025

  public final static int AUDIO_SAMPLE_RATE = 44100; //44.1KHz,普遍使用的頻率  

  //錄音輸出文件

  private final static String AUDIO_RAW_FILENAME = "RawAudio.raw";

  private final static String AUDIO_WAV_FILENAME = "FinalAudio.wav";

  public final static String AUDIO_AMR_FILENAME = "FinalAudio.amr";
  /**

   * 判斷是否有外部存儲(chǔ)設(shè)備sdcard

   * @return true | false

   */

  public static boolean isSdcardExit(){    

    if (Environment.getExternalStorageState().equals(android.os.Environment.MEDIA_MOUNTED))

      return true;

    else

      return false;

  }
  /**

   * 獲取麥克風(fēng)輸入的原始音頻流文件路徑

   * @return

   */

  public static String getRawFilePath(){

    String mAudioRawPath = "";

    if(isSdcardExit()){

      String fileBasePath = Environment.getExternalStorageDirectory().getAbsolutePath();

      mAudioRawPath = fileBasePath+"/"+AUDIO_RAW_FILENAME;

    }  

     

    return mAudioRawPath;

  }
  /**

   * 獲取編碼后的WAV格式音頻文件路徑

   * @return

   */

  public static String getWavFilePath(){

    String mAudioWavPath = "";

    if(isSdcardExit()){

      String fileBasePath = Environment.getExternalStorageDirectory().getAbsolutePath();

      mAudioWavPath = fileBasePath+"/"+AUDIO_WAV_FILENAME;

    }

    return mAudioWavPath;

  }
  /**

   * 獲取編碼后的AMR格式音頻文件路徑

   * @return

   */

  public static String getAMRFilePath(){

    String mAudioAMRPath = "";

    if(isSdcardExit()){

      String fileBasePath = Environment.getExternalStorageDirectory().getAbsolutePath();

      mAudioAMRPath = fileBasePath+"/"+AUDIO_AMR_FILENAME;

    }

    return mAudioAMRPath;

  }  


  /**

   * 獲取文件大小

   * @param path,文件的絕對(duì)路徑

   * @return

   */

  public static long getFileSize(String path){

    File mFile = new File(path);

    if(!mFile.exists())

      return -1;

    return mFile.length();

  }
} 

4、其他文件

ErrorCode.java

package com.example.audiorecordtest;
import android.content.Context;
import android.content.res.Resources.NotFoundException;
public class ErrorCode {
  public final static int SUCCESS = 1000;
  public final static int E_NOSDCARD = 1001;
  public final static int E_STATE_RECODING = 1002;
  public final static int E_UNKOWN = 1003;
  public static String getErrorInfo(Context vContext, int vType) throws NotFoundException

  {

    switch(vType)

    {

    case SUCCESS:

      return "success";

    case E_NOSDCARD:

      return vContext.getResources().getString(R.string.error_no_sdcard);

    case E_STATE_RECODING:

      return vContext.getResources().getString(R.string.error_state_record); 

    case E_UNKOWN:

    default:

      return vContext.getResources().getString(R.string.error_unknown);      
    }

  }
} 

5、string.xml

<?xml version="1.0" encoding="utf-8"?>
<resources>
  <string name="app_name">AudioRecordTest</string>
  <string name="hello_world">測(cè)試AudioRecord,實(shí)現(xiàn)錄音功能</string>
  <string name="menu_settings">Settings</string>
  <string name="view_record_wav">錄音WAV文件</string>
  <string name="view_record_amr">錄音AMR文件</string>
  <string name="view_stop">停止錄音</string>
  <string name="error_no_sdcard">沒(méi)有SD卡,無(wú)法存儲(chǔ)錄音數(shù)據(jù)</string>
  <string name="error_state_record">正在錄音中,請(qǐng)先停止錄音</string>
  <string name="error_unknown">無(wú)法識(shí)別的錯(cuò)誤</string>
</resources> 

6、主程序MainActivity

package com.example.audiorecordtest; 
import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.util.Log;
import android.view.Menu;
import android.view.View;
import android.widget.Button;
import android.widget.TextView; 
public class MainActivity extends Activity {

  private final static int FLAG_WAV = 0;

  private final static int FLAG_AMR = 1;

  private int mState = -1;  //-1:沒(méi)再錄制,0:錄制wav,1:錄制amr

  private Button btn_record_wav;

  private Button btn_record_amr;

  private Button btn_stop;

  private TextView txt;

  private UIHandler uiHandler;

  private UIThread uiThread; 

  @Override

  protected void onCreate(Bundle savedInstanceState) {

    super.onCreate(savedInstanceState);

    setContentView(R.layout.activity_main);

    findViewByIds();

    setListeners();

    init();

  } 

  @Override

  public boolean onCreateOptionsMenu(Menu menu) {

    // Inflate the menu; this adds items to the action bar if it is present.

    getMenuInflater().inflate(R.menu.activity_main, menu);

    return true;

  }

  private void findViewByIds(){

    btn_record_wav = (Button)this.findViewById(R.id.btn_record_wav);

    btn_record_amr = (Button)this.findViewById(R.id.btn_record_amr);

    btn_stop = (Button)this.findViewById(R.id.btn_stop);

    txt = (TextView)this.findViewById(R.id.text);

  }

  private void setListeners(){

    btn_record_wav.setOnClickListener(btn_record_wav_clickListener);

    btn_record_amr.setOnClickListener(btn_record_amr_clickListener);

    btn_stop.setOnClickListener(btn_stop_clickListener);

  }

  private void init(){

    uiHandler = new UIHandler();    

  }

  private Button.OnClickListener btn_record_wav_clickListener = new Button.OnClickListener(){

    public void onClick(View v){

      record(FLAG_WAV);

    }

  };

  private Button.OnClickListener btn_record_amr_clickListener = new Button.OnClickListener(){

    public void onClick(View v){

      record(FLAG_AMR);

    }

  };

  private Button.OnClickListener btn_stop_clickListener = new Button.OnClickListener(){

    public void onClick(View v){

      stop();   

    }

  };

  /**

   * 開(kāi)始錄音

   * @param mFlag,0:錄制wav格式,1:錄音amr格式

   */

  private void record(int mFlag){

    if(mState != -1){

      Message msg = new Message();

      Bundle b = new Bundle();// 存放數(shù)據(jù)

      b.putInt("cmd",CMD_RECORDFAIL);

      b.putInt("msg", ErrorCode.E_STATE_RECODING);

      msg.setData(b); 

 

      uiHandler.sendMessage(msg); // 向Handler發(fā)送消息,更新UI

      return;

    } 

    int mResult = -1;

    switch(mFlag){    

    case FLAG_WAV:

      AudioRecordFunc mRecord_1 = AudioRecordFunc.getInstance();

      mResult = mRecord_1.startRecordAndFile();      

      break;

    case FLAG_AMR:

      MediaRecordFunc mRecord_2 = MediaRecordFunc.getInstance();

      mResult = mRecord_2.startRecordAndFile();

      break;

    }

    if(mResult == ErrorCode.SUCCESS){

      uiThread = new UIThread();

      new Thread(uiThread).start();

      mState = mFlag;

    }else{

      Message msg = new Message();

      Bundle b = new Bundle();// 存放數(shù)據(jù)

      b.putInt("cmd",CMD_RECORDFAIL);

      b.putInt("msg", mResult);

      msg.setData(b); 

 

      uiHandler.sendMessage(msg); // 向Handler發(fā)送消息,更新UI

    }

  }

  /**

   * 停止錄音

   */

  private void stop(){

    if(mState != -1){

      switch(mState){

      case FLAG_WAV:

        AudioRecordFunc mRecord_1 = AudioRecordFunc.getInstance();

        mRecord_1.stopRecordAndFile();

        break;

      case FLAG_AMR:

        MediaRecordFunc mRecord_2 = MediaRecordFunc.getInstance();

        mRecord_2.stopRecordAndFile();

        break;

      }      

      if(uiThread != null){

        uiThread.stopThread();

      }

      if(uiHandler != null)

        uiHandler.removeCallbacks(uiThread); 

      Message msg = new Message();

      Bundle b = new Bundle();// 存放數(shù)據(jù)

      b.putInt("cmd",CMD_STOP);

      b.putInt("msg", mState);

      msg.setData(b);

      uiHandler.sendMessageDelayed(msg,1000); // 向Handler發(fā)送消息,更新UI 

      mState = -1;

    }

  }  

  private final static int CMD_RECORDING_TIME = 2000;

  private final static int CMD_RECORDFAIL = 2001;

  private final static int CMD_STOP = 2002;

  class UIHandler extends Handler{

    public UIHandler() {

    }

    @Override

    public void handleMessage(Message msg) {

      // TODO Auto-generated method stub

      Log.d("MyHandler", "handleMessage......");

      super.handleMessage(msg);

      Bundle b = msg.getData();

      int vCmd = b.getInt("cmd");

      switch(vCmd)

      {

      case CMD_RECORDING_TIME:

        int vTime = b.getInt("msg");

        MainActivity.this.txt.setText("正在錄音中,已錄制:"+vTime+" s");

        break;

      case CMD_RECORDFAIL:

        int vErrorCode = b.getInt("msg");

        String vMsg = ErrorCode.getErrorInfo(MainActivity.this, vErrorCode);

        MainActivity.this.txt.setText("錄音失敗:"+vMsg);

        break;

      case CMD_STOP:        

        int vFileType = b.getInt("msg");

        switch(vFileType){

        case FLAG_WAV:

          AudioRecordFunc mRecord_1 = AudioRecordFunc.getInstance(); 

          long mSize = mRecord_1.getRecordFileSize();

          MainActivity.this.txt.setText("錄音已停止.錄音文件:"+AudioFileFunc.getWavFilePath()+"\n文件大?。?+mSize);

          break;

        case FLAG_AMR:          

          MediaRecordFunc mRecord_2 = MediaRecordFunc.getInstance();

          mSize = mRecord_2.getRecordFileSize();

          MainActivity.this.txt.setText("錄音已停止.錄音文件:"+AudioFileFunc.getAMRFilePath()+"\n文件大小:"+mSize);

          break;

        }

        break;

      default:

        break;

      }

    }

  };

  class UIThread implements Runnable {    

    int mTimeMill = 0;

    boolean vRun = true;

    public void stopThread(){

      vRun = false;

    }

    public void run() {

      while(vRun){

        try {

          Thread.sleep(1000);

        } catch (InterruptedException e) {

          // TODO Auto-generated catch block

          e.printStackTrace();

        }

        mTimeMill ++;

        Log.d("thread", "mThread........"+mTimeMill);

        Message msg = new Message();

        Bundle b = new Bundle();// 存放數(shù)據(jù)

        b.putInt("cmd",CMD_RECORDING_TIME);

        b.putInt("msg", mTimeMill);

        msg.setData(b); 

 

        MainActivity.this.uiHandler.sendMessage(msg); // 向Handler發(fā)送消息,更新UI

      } 
    }
  } 
} 

以上就是本文的全部?jī)?nèi)容,希望對(duì)大家的學(xué)習(xí)有所幫助,也希望大家多多支持腳本之家。

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