本文实例为大家分享了Android实现语音播放与录音的具体代码，供大家参考，具体内容如下
项目用到的技术点和亮点
- 语音录音 （单个和列表）
- 语音播放（单个和列表）
- 语音录音封装
- 语音播放器封装
- 语音列表顺序播放
- 语音列表单个播放 复用问题处理
因为安装原生录音不能录mp3格式文件 而mp3格式是安卓和ios公用的，所以我们需要的是能直接录取mp3文件或者录完的格式转成mp3格式
下面添加这个库 能直接录mp3文件，我觉得是最方便的
compile ‘com.czt.mp3recorder:library:1.0.3'
1. 语音录音封装
代码简单 自己看吧
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package com.video.zlc.audioplayer;import com.czt.mp3recorder.MP3Recorder;import com.video.zlc.audioplayer.utils.LogUtil;import java.io.File;import java.io.IOException;import java.util.UUID;/** * @author zlc */public class AudioManage { private MP3Recorder mRecorder; private String mDir; // 文件夹的名称 private String mCurrentFilePath; private static AudioManage mInstance; private boolean isPrepared; // 标识MediaRecorder准备完毕 private AudioManage(String dir) { mDir = dir; LogUtil.e("AudioManage=",mDir); } /** * 回调“准备完毕” * @author zlc */ public interface AudioStateListenter { void wellPrepared(); // prepared完毕 } public AudioStateListenter mListenter; public void setOnAudioStateListenter(AudioStateListenter audioStateListenter) { mListenter = audioStateListenter; } /** * 使用单例实现 AudioManage * @param dir * @return */ public static AudioManage getInstance(String dir) { if (mInstance == null) { synchronized (AudioManage.class) { // 同步 if (mInstance == null) { mInstance = new AudioManage(dir); } } } return mInstance; } /** * 准备录音 */ public void prepareAudio() { try { isPrepared = false; File dir = new File(mDir); if (!dir.exists()) { dir.mkdirs(); } String fileName = GenerateFileName(); // 文件名字 File file = new File(dir, fileName); // 路径+文件名字 //MediaRecorder可以实现录音和录像。需要严格遵守API说明中的函数调用先后顺序. mRecorder = new MP3Recorder(file); mCurrentFilePath = file.getAbsolutePath();// mMediaRecorder = new MediaRecorder();// mCurrentFilePath = file.getAbsolutePath();// mMediaRecorder.setOutputFile(file.getAbsolutePath()); // 设置输出文件// mMediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC); // 设置MediaRecorder的音频源为麦克风// mMediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.AMR_NB); // 设置音频的格式// mMediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB); // 设置音频的编码为AMR_NB// mMediaRecorder.prepare();// mMediaRecorder.start(); mRecorder.start(); //开始录音 isPrepared = true; // 准备结束 if (mListenter != null) { mListenter.wellPrepared(); } } catch (Exception e) { e.printStackTrace(); LogUtil.e("prepareAudio",e.getMessage()); } } /** * 随机生成文件名称 * @return */ private String GenerateFileName() { // TODO Auto-generated method stub return UUID.randomUUID().toString() + ".mp3"; // 音频文件格式 } /** * 获得音量等级——通过mMediaRecorder获得振幅，然后换算成声音Level * maxLevel最大为7； * @return */ public int getVoiceLevel(int maxLevel) { if (isPrepared) { try { mRecorder.getMaxVolume(); return maxLevel * mRecorder.getMaxVolume() / 32768 + 1; } catch (Exception e) { e.printStackTrace(); } } return 1; } /** * 释放资源 */ public void release() { if(mRecorder != null) { mRecorder.stop(); mRecorder = null; } } /** * 停止录音 */ public void stop(){ if(mRecorder!=null && mRecorder.isRecording()){ mRecorder.stop(); } } /** * 取消（释放资源+删除文件） */ public void delete() { release(); if (mCurrentFilePath != null) { File file = new File(mCurrentFilePath); file.delete(); //删除录音文件 mCurrentFilePath = null; } } public String getCurrentFilePath() { return mCurrentFilePath; } public int getMaxVolume(){ return mRecorder.getMaxVolume(); } public int getVolume(){ return mRecorder.getVolume(); }} |
2. 语音播放器封装
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package com.video.zlc.audioplayer.utils;import android.content.Context;import android.media.AudioManager;import android.media.MediaPlayer;import android.net.Uri;/** * * @author zlc * */public class MediaManager { private static MediaPlayer mMediaPlayer; //播放录音文件 private static boolean isPause = false; static { if(mMediaPlayer==null){ mMediaPlayer=new MediaPlayer(); mMediaPlayer.setOnErrorListener( new MediaPlayer.OnErrorListener() { @Override public boolean onError(MediaPlayer mp, int what, int extra) { mMediaPlayer.reset(); return false; } }); } } /** * 播放音频 * @param filePath * @param onCompletionListenter */ public static void playSound(Context context,String filePath, MediaPlayer.OnCompletionListener onCompletionListenter){ if(mMediaPlayer==null){ mMediaPlayer = new MediaPlayer(); mMediaPlayer.setOnErrorListener( new MediaPlayer.OnErrorListener() { @Override public boolean onError(MediaPlayer mp, int what, int extra) { mMediaPlayer.reset(); return false; } }); }else{ mMediaPlayer.reset(); } try { //详见“MediaPlayer”调用过程图 mMediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC); mMediaPlayer.setOnCompletionListener(onCompletionListenter); mMediaPlayer.setDataSource(filePath); mMediaPlayer.prepare(); mMediaPlayer.start(); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); LogUtil.e("语音error==",e.getMessage()); } } /** * 暂停 */ public synchronized static void pause(){ if(mMediaPlayer!=null && mMediaPlayer.isPlaying()){ mMediaPlayer.pause(); isPause=true; } } //停止 public synchronized static void stop(){ if(mMediaPlayer!=null && mMediaPlayer.isPlaying()){ mMediaPlayer.stop(); isPause=false; } } /** * resume继续 */ public synchronized static void resume(){ if(mMediaPlayer!=null && isPause){ mMediaPlayer.start(); isPause=false; } } public static boolean isPause(){ return isPause; } public static void setPause(boolean isPause) { MediaManager.isPause = isPause; } /** * release释放资源 */ public static void release(){ if(mMediaPlayer!=null){ isPause = false; mMediaPlayer.stop(); mMediaPlayer.release(); mMediaPlayer = null; } } public synchronized static void reset(){ if(mMediaPlayer!=null) { mMediaPlayer.reset(); isPause = false; } } /** * 判断是否在播放视频 * @return */ public synchronized static boolean isPlaying(){ return mMediaPlayer != null && mMediaPlayer.isPlaying(); }} |
3. 语音列表顺序播放
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private int lastPos = -1; //播放语音 private void playVoice(final int position, String from) { LogUtil.e("playVoice position",position+""); if(position >= records.size()) { LogUtil.e("playVoice","全部播放完了"); stopAnimation(); MediaManager.reset(); return; } String voicePath = records.get(position).getPath(); LogUtil.e("playVoice",voicePath); if(TextUtils.isEmpty(voicePath) || !voicePath.contains(".mp3")){ Toast.makeText(this,"语音文件不合法",Toast.LENGTH_LONG).show(); return; } if(lastPos != position && "itemClick".equals(from)){ stopAnimation(); MediaManager.reset(); } lastPos = position;//获取listview某一个条目的图片控件 int pos = position - id_list_voice.getFirstVisiblePosition(); View view = id_list_voice.getChildAt(pos); id_iv_voice = (ImageView) view.findViewById(R.id.id_iv_voice); LogUtil.e("playVoice position",pos+""); if(MediaManager.isPlaying()){ MediaManager.pause(); stopAnimation(); }else if(MediaManager.isPause()){ startAnimation(); MediaManager.resume(); }else{ startAnimation(); MediaManager.playSound(this,voicePath, new MediaPlayer.OnCompletionListener() { @Override public void onCompletion(MediaPlayer mediaPlayer) { //播放完停止动画 重置MediaManager stopAnimation(); MediaManager.reset(); playVoice(position + 1, "loop"); } }); } } |
4. 语音列表单个播放 复用问题处理
播放逻辑基本同上
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private int lastPosition = -1; private void playVoice(FendaListInfo.ObjsEntity obj, int position) { String videoPath = obj.path; if(TextUtils.isEmpty(videoPath) || !videoPath.contains(".mp3")){ Toast.makeText(this,"语音文件不合法",Toast.LENGTH_LONG).show(); return; } if(position != lastPosition){ //点击不同条目先停止动画 重置音频资源 stopAnimation(); MediaManager.reset(); } if(mAdapter!=null) mAdapter.selectItem(position, lastPosition); lastPosition = position; id_iv_voice.setBackgroundResource(R.drawable.animation_voice); animationDrawable = (AnimationDrawable) id_iv_voice.getBackground(); if(MediaManager.isPlaying()){ stopAnimation(); MediaManager.pause(); }else if(MediaManager.isPause()){ startAnimation(); MediaManager.resume(); }else{ startAnimation(); MediaManager.playSound(this,videoPath, new MediaPlayer.OnCompletionListener() { @Override public void onCompletion(MediaPlayer mp) { LogUtil.e("onCompletion","播放完成"); stopAnimation(); MediaManager.stop(); } }); } }//核心方法 //点击了某一个条目 这个条目isSelect=true 上一个条目isSelect需要改为false 防止滑动过程中 帧动画复用问题 public void selectItem(int position, int lastPosition) { LogUtil.e("selectItem"," ;lastPosition="+lastPosition+" ;position="+position); if(lastPosition >= 0 && lastPosition < mDatas.size() && lastPosition != position){ FendaListInfo.ObjsEntity bean = mDatas.get(lastPosition); bean.isSelect = false; mDatas.set(lastPosition, bean); notifyDataSetChanged(); } if(position < mDatas.size() && position != lastPosition){ FendaListInfo.ObjsEntity bean = mDatas.get(position); bean.isSelect = true; mDatas.set(position,bean); } }/** * 适配器图片播放的动画处理 */private void setVoiceAnimation(ImageView iv_voice, FendaListInfo.ObjsEntity obj) { //处理动画复用问题 AnimationDrawable animationDrawable; if(obj.isSelect){ iv_voice.setBackgroundResource(R.drawable.animation_voice); animationDrawable = (AnimationDrawable) iv_voice.getBackground(); if(MediaManager.isPlaying() && animationDrawable!=null){ animationDrawable.start(); }else{ iv_voice.setBackgroundResource(R.drawable.voice_listen); animationDrawable.stop(); } }else{ iv_voice.setBackgroundResource(R.drawable.voice_listen); }} |
5.下载地址
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。
原文链接：https://blog.csdn.net/rjgcszlc/article/details/78036010
