Android录制声音文件（音频）并播放

 <uses-permission android:name="android.permission.RECORD_AUDIO"/>
 <uses-permission android:name="android.permission.WAKE_LOCK"/>
 <uses-permission android:name="android.permission.MODIFY_AUDIO_SETTINGS"/>
 <uses-permission android:name="android.permission.VIBRATE"/>
 <uses-permission android:name="android.permission.WRITE_SETTINGS"/>
 <uses-permission android:name="android.permission.INTERACT_ACROSS_USERS_FULL"/>
 <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED"/>
 <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
 <uses-permission android:name="android.permission.CALL_PHONE"/>
 <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
 <uses-permission android:name="android.permission.INTERNET" />
 <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
 <uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS" />

package com.chen.voicedemo;

import android.media.MediaRecorder;
import android.os.Handler;
import android.util.Log;
import android.widget.ImageView;

import java.io.File;

/**
 * 录音工具类
 */
public class MediaRecorderUtils {

 private static MediaRecorder recorder;
 static MediaRecorderUtils mediaRecorderUtils;
 static ImageView mimageView;
 private String path;

 /**
  * 获得单例对象，传入一个显示音量大小的imageview对象，如不需要显示可以传null
  */
 public static MediaRecorderUtils getInstence(ImageView imageView) {
  if (mediaRecorderUtils == null) {
   mediaRecorderUtils = new MediaRecorderUtils();
  }
  mimageView = imageView;
  return mediaRecorderUtils;
 }

 /**
  * 获得音频路径
  */
 public String getPath() {
  return path;
 }

 /**
  * 初始化
  */
 private void init() {

  recorder = new MediaRecorder();// new出MediaRecorder对象
  recorder.setAudioSource(MediaRecorder.AudioSource.MIC);
  // 设置MediaRecorder的音频源为麦克风 
  recorder.setOutputFormat(MediaRecorder.OutputFormat.RAW_AMR);
  // 设置MediaRecorder录制的音频格式 
  recorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);
  // 设置MediaRecorder录制音频的编码为amr. 
  File file = new File(Utils.IMAGE_SDCARD_MADER);
  if (!file.exists()) {
   file.mkdirs();
  }
  path = Utils.IMAGE_SDCARD_MADER + Utils.getVoiceFileName() + "stock.amr";
  recorder.setOutputFile(path);
  // 设置录制好的音频文件保存路径 
  try {
   recorder.prepare();// 准备录制 
  } catch (Exception e) {
   e.printStackTrace();
  }
 }

 /**
  * 开始录音
  */
 public void MediaRecorderStart() {
  init();
  try {
   recorder.start();
   flag = true;
   if (mimageView != null) {
    updateMicStatus();
   }
  } catch (Exception e) {
   e.printStackTrace();
   Log.e("chen", "录制失败");
  }
 }

 /**
  * 停止录音
  */
 public void MediaRecorderStop() {
  try {
   recorder.stop();
   recorder.release(); //释放资源
   flag = false;
   mimageView = null;
   recorder = null;
  } catch (Exception e) {
   e.toString();
  }

 }

 /**
  * 删除已录制的音频
  */
 public void MediaRecorderDelete() {
  File file = new File(path);
  if (file.isFile()) {
   file.delete();
  }
  file.exists();
 }

 ;

 private final Handler mHandler = new Handler();
 private Runnable mUpdateMicStatusTimer = new Runnable() {
  public void run() {
   updateMicStatus();
  }
 };
 private int BASE = 1;
 private int SPACE = 1000;// 间隔取样时间
 private boolean flag = true;

 /**
  * 更新话筒状态
  */
 private void updateMicStatus() {
  if (recorder != null) {
   double ratio = (double) recorder.getMaxAmplitude() / BASE;
   double db = 0;// 分贝
   if (ratio > 1) {
    db = 20 * Math.log10(ratio);
   }
   int i = (int) db / 10;
   switch (i) {
    case 1:
     mimageView.setImageResource(R.drawable.rc_ic_volume_1);
     break;
    case 2:
     mimageView.setImageResource(R.drawable.rc_ic_volume_2);
     break;
    case 3:
     mimageView.setImageResource(R.drawable.rc_ic_volume_3);
     break;
    case 4:
     mimageView.setImageResource(R.drawable.rc_ic_volume_4);
     break;
    case 5:
     mimageView.setImageResource(R.drawable.rc_ic_volume_5);
     break;
    case 6:
     mimageView.setImageResource(R.drawable.rc_ic_volume_6);
     break;
    case 7:
     mimageView.setImageResource(R.drawable.rc_ic_volume_7);
     break;
    case 8:
     mimageView.setImageResource(R.drawable.rc_ic_volume_8);
     break;
   }
   if (flag) {
    mHandler.postDelayed(mUpdateMicStatusTimer, SPACE);
   }
  }
 }

}

package com.chen.voicedemo;

import android.annotation.SuppressLint;
import android.content.Context;
import android.os.Handler;
import android.os.Message;
import android.os.SystemClock;
import android.util.AttributeSet;
import android.view.accessibility.AccessibilityEvent;
import android.view.accessibility.AccessibilityNodeInfo;
import android.widget.TextView;

public class MyChronometer extends TextView {

 private static final String TAG = "MyChronometer";

 /**
  * A callback that notifies when the MyChronometer has incremented on its
  * own.
  */
 public interface OnMyChronometerTickListener {

  /**
   * Notification that the MyChronometer has changed.
   */
  void onMyChronometerTick(int time);

 }

 public interface OnMyChronometerTimeListener {

  /**
   * Notification that the MyChronometer has changed.
   */
  void OnMyChronometerTimeListener(int time);

 }

 private OnMyChronometerTimeListener OnMyChronometerTimeListener;

 private long mBase;
 private boolean mVisible;
 private boolean mStarted;
 private boolean mRunning;
 private OnMyChronometerTickListener mOnMyChronometerTickListener;
 private long now_time;

 private static final int TICK_WHAT = 2;

 /**
  * Initialize this MyChronometer object. Sets the base to the current time.
  */
 public MyChronometer(Context context) {
  this(context, null, 0);
 }

 /**
  * Initialize with standard view layout information. Sets the base to the
  * current time.
  */
 public MyChronometer(Context context, AttributeSet attrs) {
  this(context, attrs, 0);
 }

 /**
  * Initialize with standard view layout information and style. Sets the base
  * to the current time.
  */
 public MyChronometer(Context context, AttributeSet attrs, int defStyle) {
  super(context, attrs, defStyle);
  init();
 }

 private void init() {
  mBase = SystemClock.elapsedRealtime();
  updateText(mBase);
 }

 /**
  * Set the time that the count-up timer is in reference to.
  *
  * @param base Use the {@link SystemClock#elapsedRealtime} time base.
  */
 public void setBase(long base) {
  mBase = base;
  updateText(SystemClock.elapsedRealtime());
 }

 /**
  * Sets the listener to be called when the MyChronometer changes.
  *
  * @param listener The listener.
  */
 public void setOnMyChronometerTickListener(OnMyChronometerTickListener listener) {
  mOnMyChronometerTickListener = listener;
 }

 public void setOnMyChronometerTimeListener(OnMyChronometerTimeListener listener) {
  OnMyChronometerTimeListener = listener;
 }

 /**
  * Start counting up. This does not affect the base as set from
  * {@link #setBase}, just the view display.
  * <p/>
  * MyChronometer works by regularly scheduling messages to the handler, even
  * when the Widget is not visible. To make sure resource leaks do not occur,
  * the user should make sure that each start() call has a reciprocal call to
  * {@link #stop}.
  */
 public void start() {
  mStarted = true;
  updateRunning();
 }

 /**
  * Stop counting up. This does not affect the base as set from
  * {@link #setBase}, just the view display.
  * <p/>
  * This stops the messages to the handler, effectively releasing resources
  * that would be held as the MyChronometer is running, via {@link #start}.
  */
 public void stop() {
  mStarted = false;
  updateRunning();
  now_time /= 10;
  if (OnMyChronometerTimeListener != null) {
   OnMyChronometerTimeListener.OnMyChronometerTimeListener((int) now_time);
  }
 }

 @Override
 protected void onDetachedFromWindow() {
  super.onDetachedFromWindow();
  mVisible = false;
  updateRunning();
 }

 @Override
 protected void onWindowVisibilityChanged(int visibility) {
  super.onWindowVisibilityChanged(visibility);
  mVisible = visibility == VISIBLE;
  updateRunning();
 }

 private synchronized void updateText(long now) {

  long seconds = now - mBase;
  seconds /= 10;
  now_time = seconds;

  int time_m = (int) (seconds / 100);
  if (mOnMyChronometerTickListener != null) {
   mOnMyChronometerTickListener.onMyChronometerTick(time_m);
  }
  int time_s = (int) (seconds % 100);
  setText(time_m + "");

 }

 private void updateRunning() {
  boolean running = mVisible && mStarted;
  if (running != mRunning) {
   if (running) {
    updateText(SystemClock.elapsedRealtime());
    mHandler.sendMessageDelayed(Message.obtain(mHandler, TICK_WHAT), 1000);
   } else {
    mHandler.removeMessages(TICK_WHAT);
   }
   mRunning = running;
  }
 }

 private Handler mHandler = new Handler() {
  public void handleMessage(Message m) {
   if (mRunning) {
    updateText(SystemClock.elapsedRealtime());
    sendMessageDelayed(Message.obtain(this, TICK_WHAT), 1000);
   }
  }
 };

 @SuppressLint("NewApi")
 @Override
 public void onInitializeAccessibilityEvent(AccessibilityEvent event) {
  super.onInitializeAccessibilityEvent(event);
  event.setClassName(MyChronometer.class.getName());
 }

 @SuppressLint("NewApi")
 @Override
 public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) {
  super.onInitializeAccessibilityNodeInfo(info);
  info.setClassName(MyChronometer.class.getName());
 }

}

import android.Manifest;
import android.content.Context;
import android.content.pm.PackageManager;
import android.os.Environment;
import android.support.v4.content.ContextCompat;
import android.widget.Toast;

import java.io.File;
import java.text.SimpleDateFormat;
import java.util.ArrayList;

/**
 * 工具
 */
public class Utils {

 /**
  * SD卡下语音目录
  */
 public static final String IMAGE_SDCARD_MADER = Environment
   .getExternalStorageDirectory()
   + "/chen/voice/";

 /**
  * 检查录音权限6.0
  */
 public static boolean checkVoice(Context context) {

  try {
   if (ContextCompat.checkSelfPermission(context, Manifest.permission.RECORD_AUDIO) != PackageManager.PERMISSION_GRANTED) {
    return false;
   } else {
    return true;
   }
  } catch (Exception e) {
   return true;
  }

 }

 private static Toast toast;

 /**
  * 单例吐司
  */
 public static void showToast(Context context, String msg) {
  if (toast == null) {
   toast = Toast.makeText(context, msg, Toast.LENGTH_SHORT);
  }
  toast.setText(msg);
  toast.show();
 }

 /**
  * 获取指定文件夹下的所有文件路径
  *
  * @param root 指定文件夹路径
  * @return 指定文件夹下的所有文件
  */
 public static ArrayList<String> getVideoFiles(String root) {
  if (root == null || root == "")
   return null;

  ArrayList<String> list = new ArrayList<>();
  File file = new File(root);
  File[] fileList = file.listFiles();

  for (File f : fileList) {
   list.add(f.getPath());
  }

  return list;
 }

 /**
  * 获取声音文件名字
  *
  * @return 假如当前录制声音时间是2016年4月29号14点30分30秒。得到的文件名字就是20160429143030.这样保证文件名的唯一性
  */
 public static String getVoiceFileName() {
  long getNowTimeLong = System.currentTimeMillis();
  SimpleDateFormat time = new SimpleDateFormat("yyyyMMddHHmmss");
  String result = time.format(getNowTimeLong);
  return result;
 }


}

package com.chen.voicedemo;

import android.app.Activity;
import android.graphics.drawable.AnimationDrawable;
import android.graphics.drawable.ColorDrawable;
import android.media.MediaPlayer;
import android.os.Bundle;
import android.os.SystemClock;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;
import android.view.Window;
import android.view.WindowManager;
import android.widget.AdapterView;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.PopupWindow;
import android.widget.TextView;

import java.io.File;
import java.util.ArrayList;
import java.util.List;

public class MainActivity extends Activity implements View.OnTouchListener, AdapterView.OnItemClickListener {

 /**
  * 开始录音按钮
  */
 private TextView voice;
 /**
  * 用于定位。使录音时展示的popupwindow，展示在该控件 的下面
  */
 private TextView voice_popup;

 /**
  * 展示指定文件夹下所有录制的声音文件
  */
 private TextView show_voice_list;

 /**
  * 展示目标文件夹下，所有已录制的声音路径
  */
 private ListView show_voices_listview;

 private List<String> voiceList;

 /**
  * 停止播放声音
  */
 private TextView stop_show_voice;

 /**
  * 播放声音时，动的图片
  */
 private ImageView voice_anim;

 /**
  * 系统播放器
  */
 private MediaPlayer mediaPlayer;

 private Boolean flag = true;
 private float int_x = 0;
 private float int_y = 0;

 /**
  * 用于限制最大录音时常。单位是秒。意义是：最大录60秒的音频，到了60秒的是，自动停止
  */
 private int maxRecordTime = 60;

 /**
  * 用于显示频繁操作时间间隔。单位是毫秒。意义是：500毫秒内再次操作，就算是频频操作，做相应处理
  */
 private int oftenOperationTime = 500;

 private MyAdapter myAdapter;

 private AnimationDrawable animation;

 /**
  * 录音popup
  */
 private PopupWindow voice_popupWindow;
 /**
  * 录音时声音变化
  */
 private ImageView voice_shengyin;
 /**
  * 录音计时器
  */
 private MyChronometer mychronometer;

 @Override
 protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  requestWindowFeature(Window.FEATURE_NO_TITLE);
  setContentView(R.layout.activity_main);

  voiceList = new ArrayList<String>();

  voice = (TextView) findViewById(R.id.voice);
  voice_popup = (TextView) findViewById(R.id.voice_popup);
  voice_anim = (ImageView) findViewById(R.id.voice_anim);
  voice_anim.setImageResource(R.drawable.lcs_voice_receive);

  show_voice_list = (TextView) findViewById(R.id.show_voice_list);

  show_voice_list.setOnClickListener(new View.OnClickListener() {
   @Override
   public void onClick(View v) {
    voiceList = Utils.getVideoFiles(Utils.IMAGE_SDCARD_MADER);
    if (voiceList.size()>0){
     myAdapter.notifyDataSetChanged();
    }else{
     Utils.showToast(MainActivity.this, "没有文件");
    }
   }
  });

  show_voices_listview = (ListView) findViewById(R.id.show_voices);
  show_voices_listview.setOnItemClickListener(this);
  myAdapter = new MyAdapter();

  stop_show_voice = (TextView) findViewById(R.id.stop_show_voice);

  /**
   * 停止播放的监听器
   */
  stop_show_voice.setOnClickListener(new View.OnClickListener() {
   @Override
   public void onClick(View v) {

    Log.e("chen", "点击了停止播放按钮");

    if (mediaPlayer != null) {
     if (mediaPlayer.isPlaying()) {
      mediaPlayer.release();// 释放资源
     }
     mediaPlayer = null;
    }
    if (animation != null && animation.isRunning()) {
     animation.stop();
    }
    voice_anim.setImageResource(R.drawable.lcs_voice_receive);
   }
  });

  show_voices_listview.setAdapter(myAdapter);

  voice.setOnTouchListener(this);

 }

 /**
  * 声音文件列表的item点击事件,播放对应声音文件
  *
  * @param parent
  * @param view
  * @param position
  * @param id
  */
 @Override
 public void onItemClick(AdapterView<?> parent, View view, int position, long id) {

  //TODO 以下4行，是用来做测试，点击item，手机SD卡上对应路径下的声音文件就会被删除。如果录制声音失败，或者不满足条件，可以把以下4行写成一个工具方法调用，删除不满意的文件。这里不做详细演示
  //File f_delete=new File(voiceList.get(position));
  //f_delete.delete();
  //voiceList.remove(voiceList.get(position));
  //myAdapter.notifyDataSetChanged();
  //TODO 以上4行，是用来做测试，点击item，手机SD卡上对应路径下的声音文件就会被删除。

  try {
   mediaPlayer = new MediaPlayer();

   /**
    * 播放过程中展示的动画
    */
   mediaPlayer.setOnPreparedListener(new MediaPlayer.OnPreparedListener() {

    @Override
    public void onPrepared(MediaPlayer mp) {
     if (mp != null) {
      mp.start();
      voice_anim.setImageResource(R.drawable.voice_anim);
     }
    }
   });

   /**
    * 播放完成监听
    */
   mediaPlayer.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {
    @Override
    public void onCompletion(MediaPlayer mp) {
     if (mp.isPlaying()) {
      mp.release();// 释放资源
     }
     animation = (AnimationDrawable) voice_anim.getDrawable();
     if (animation != null && animation.isRunning()) {
      animation.stop();
     }
     voice_anim.setImageResource(R.drawable.lcs_voice_receive);
    }
   });
   mediaPlayer.setDataSource(voiceList.get(position));
   // 缓冲
   mediaPlayer.prepare();

  } catch (Exception e) {
   Utils.showToast(MainActivity.this, "语音异常，加载失败");
  }
 }

 /**
  * 展示声音列表的adapter
  */
 class MyAdapter extends BaseAdapter {

  @Override
  public int getCount() {
   return voiceList.size() == 0 ? 0 : voiceList.size();
  }

  @Override
  public Object getItem(int position) {
   return null;
  }

  @Override
  public long getItemId(int position) {
   return 0;
  }

  @Override
  public View getView(int position, View convertView, ViewGroup parent) {
   TextView tv = new TextView(MainActivity.this);
   tv.setText(voiceList.get(position));
   tv.setTextSize(20);
   return tv;
  }
 }


 /**
  * 开始录制按钮的onTouch事件
  *
  * @param v
  * @param event
  * @return
  */
 @Override
 public boolean onTouch(View v, MotionEvent event) {

  if (v.getId() == R.id.voice) {

   //检查权限
   if (!Utils.checkVoice(this)) {
    if (event.getAction() == MotionEvent.ACTION_DOWN) {
     Utils.showToast(this, "录音权限未打开，请打开录音权限!");
    }
    return true;
   }

   //避免短时间里频繁操作
   if (!getTimeTF(SystemClock.elapsedRealtime()) && event.getAction() == MotionEvent.ACTION_DOWN) {
    Utils.showToast(this, "操作过于频繁");
    return true;
   }

   if (event.getAction() == MotionEvent.ACTION_DOWN) {
    setTime(SystemClock.elapsedRealtime());
   }
   switch (event.getAction()) {
    case MotionEvent.ACTION_DOWN:
     int_x = event.getRawX();
     int_y = event.getRawY();
     VoicePopupWindow();
     mychronometer.setBase(SystemClock.elapsedRealtime());
     mychronometer.start();
     MediaRecorderUtils.getInstence(voice_shengyin).MediaRecorderStart();
     flag = true;
     mychronometer.setOnMyChronometerTickListener(new MyChronometer.OnMyChronometerTickListener() {
      @Override
      public void onMyChronometerTick(int time) {
       if (time == maxRecordTime || time > maxRecordTime) {
        mychronometer.setText("60");
        setVoiceToUp();
       }
      }
     });
     break;
    case MotionEvent.ACTION_MOVE:
     if (flag) {
      if (Math.abs(int_y) - Math.abs(event.getRawY()) > 100.0 && flag) {
       voice_popupWindow.dismiss();
       mychronometer.stop();
       MediaRecorderUtils.getInstence(voice_shengyin).MediaRecorderStop();
       MediaRecorderUtils.getInstence(voice_shengyin).MediaRecorderDelete();
       flag = false;
      }
     }
     break;
    case MotionEvent.ACTION_CANCEL:
     if (flag) {
      voice_popupWindow.dismiss();
      mychronometer.stop();
      MediaRecorderUtils.getInstence(voice_shengyin).MediaRecorderStop();
     }
     break;
    case MotionEvent.ACTION_UP:
     if (flag) {
      setVoiceToUp();
     }
     break;
   }
   return true;
  }
  return false;
 }

 private long base_time = 0;

 private void setTime(long time) {
  base_time = time;
 }

 private boolean getTimeTF(long time) {
  int data = (int) (time - base_time) / oftenOperationTime;
  if (data > 1) {
   return true;
  } else {
   return false;
  }
 }


 /**
  * 声音popupwindow
  */
 public void VoicePopupWindow() {
  View view = LayoutInflater.from(this).inflate(R.layout.voice_popupwindow, null);
  voice_popupWindow = new PopupWindow(this);
  voice_popupWindow.setWidth(WindowManager.LayoutParams.MATCH_PARENT);
  voice_popupWindow.setHeight(WindowManager.LayoutParams.MATCH_PARENT);
  voice_shengyin = (ImageView) view.findViewById(R.id.voice_shengyin);
  mychronometer = (MyChronometer) view.findViewById(R.id.mychronometer);
  voice_popupWindow.setContentView(view);
  voice_popupWindow.setFocusable(true);
  ColorDrawable dw = new ColorDrawable(0x00000000);
  voice_popupWindow.setBackgroundDrawable(dw);
  voice_popupWindow.showAsDropDown(voice_popup);
 }


 private void setVoiceToUp() {
  flag = false;
  voice_popupWindow.dismiss();
  mychronometer.stop();
  MediaRecorderUtils.getInstence(voice_shengyin).MediaRecorderStop();
  int time = Integer.parseInt(mychronometer.getText().toString());

  if (time != 0) {
   File file = new File(MediaRecorderUtils.getInstence(voice_shengyin).getPath());
   if (file.length() > 0) {
    voiceList = Utils.getVideoFiles(Utils.IMAGE_SDCARD_MADER);
    myAdapter.notifyDataSetChanged();

   } else {
    Utils.showToast(this, "录音失败，请检查权限");
   }
  } else {
   Utils.showToast(this, "录音时间太短");
  }
 }

}

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
 xmlns:android="http://schemas.android.com/apk/res/android"
 android:layout_width="match_parent"
 android:layout_height="match_parent"
 android:orientation="vertical"
 >

 <TextView
  android:id="@+id/voice_popup"
  android:layout_width="match_parent"
  android:layout_height="1dip"/>

 <ListView
  android:id="@+id/show_voices"
  android:layout_width="match_parent"
  android:layout_height="0dp"
  android:layout_weight="1"/>


 <RelativeLayout
  android:layout_width="match_parent"
  android:layout_height="wrap_content"
  android:orientation="horizontal">

  <ImageView
   android:id="@+id/voice_anim"
   android:layout_width="60dp"
   android:layout_height="30dp"
   android:layout_centerVertical="true"
   android:layout_marginLeft="30dp"
   android:background="#00ff00"/>


  <TextView
   android:id="@+id/stop_show_voice"
   android:layout_width="wrap_content"
   android:layout_height="wrap_content"
   android:layout_alignParentRight="true"
   android:layout_centerVertical="true"
   android:layout_gravity="center_horizontal"
   android:layout_marginBottom="20dp"
   android:layout_marginRight="20dp"
   android:background="#00ff00"
   android:padding="10dp"
   android:text="停止播放"
   android:textColor="#000000"
   android:textSize="20sp"
   />

  <TextView
   android:id="@+id/show_voice_list"
   android:layout_width="wrap_content"
   android:layout_height="wrap_content"
   android:layout_centerVertical="true"
   android:layout_gravity="center_horizontal"
   android:layout_marginBottom="20dp"
   android:layout_marginRight="20dp"
   android:layout_toLeftOf="@id/stop_show_voice"
   android:background="#00ff00"
   android:padding="10dp"
   android:text="列表"
   android:textColor="#000000"
   android:textSize="20sp"
   />

 </RelativeLayout>

 <TextView
  android:id="@+id/voice"
  android:layout_width="wrap_content"
  android:layout_height="wrap_content"
  android:layout_gravity="center_horizontal"
  android:background="#00ff00"
  android:padding="10dp"
  android:text="开始录音"
  android:textColor="#000000"
  android:textSize="25sp"/>
</LinearLayout>

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

 <LinearLayout
  android:layout_width="wrap_content"
  android:layout_height="wrap_content"
  android:layout_centerInParent="true"
  android:background="@android:color/black"
  android:orientation="vertical"
  android:paddingBottom="40dip"
  android:paddingLeft="60dip"
  android:paddingRight="60dip"
  android:paddingTop="40dip">

  <ImageView
   android:id="@+id/voice_shengyin"
   android:layout_width="wrap_content"
   android:layout_height="wrap_content"
   android:layout_gravity="center_horizontal"
   android:src="@drawable/rc_ic_volume_1"/>

  <com.chen.voicedemo.MyChronometer
   android:id="@+id/mychronometer"
   android:layout_width="wrap_content"
   android:layout_height="wrap_content"
   android:layout_centerHorizontal="true"
   android:layout_gravity="center_horizontal"
   android:textColor="@android:color/white"/>

 </LinearLayout>
</RelativeLayout>

<?xml version="1.0" encoding="utf-8"?>
<animation-list xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/volume_animation"
    android:oneshot="false" >

 <item
  android:drawable="@drawable/rc_ic_voice_receive_play1"
  android:duration="100"/>
 <item
  android:drawable="@drawable/rc_ic_voice_receive_play2"
  android:duration="200"/>
 <item
  android:drawable="@drawable/rc_ic_voice_receive_play3"
  android:duration="300"/>

</animation-list>