本文實例為大家分享了Android實現語音播放與錄音的具體代碼，供大家參考，具體內容如下
項目用到的技術點和亮點
- 語音錄音 （單個和列表）
- 語音播放（單個和列表）
- 語音錄音封裝
- 語音播放器封裝
- 語音列表順序播放
- 語音列表單個播放 復用問題處理
因為安裝原生錄音不能錄mp3格式文件 而mp3格式是安卓和ios公用的，所以我們需要的是能直接錄取mp3文件或者錄完的格式轉成mp3格式
下面添加這個庫 能直接錄mp3文件，我覺得是最方便的
compile ‘com.czt.mp3recorder:library:1.0.3'
1. 語音錄音封裝
代碼簡單 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; // 文件夾的名稱 private String mCurrentFilePath; private static AudioManage mInstance; private boolean isPrepared; // 標識MediaRecorder準備完畢 private AudioManage(String dir) { mDir = dir; LogUtil.e("AudioManage=",mDir); } /** * 回調“準備完畢” * @author zlc */ public interface AudioStateListenter { void wellPrepared(); // prepared完畢 } public AudioStateListenter mListenter; public void setOnAudioStateListenter(AudioStateListenter audioStateListenter) { mListenter = audioStateListenter; } /** * 使用單例實現 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; } /** * 準備錄音 */ 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); // 路徑+文件名字 //MediaRecorder可以實現錄音和錄像。需要嚴格遵守API說明中的函數調用先后順序. mRecorder = new MP3Recorder(file); mCurrentFilePath = file.getAbsolutePath();// mMediaRecorder = new MediaRecorder();// mCurrentFilePath = file.getAbsolutePath();// mMediaRecorder.setOutputFile(file.getAbsolutePath()); // 設置輸出文件// mMediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC); // 設置MediaRecorder的音頻源為麥克風// mMediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.AMR_NB); // 設置音頻的格式// mMediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB); // 設置音頻的編碼為AMR_NB// mMediaRecorder.prepare();// mMediaRecorder.start(); mRecorder.start(); //開始錄音 isPrepared = true; // 準備結束 if (mListenter != null) { mListenter.wellPrepared(); } } catch (Exception e) { e.printStackTrace(); LogUtil.e("prepareAudio",e.getMessage()); } } /** * 隨機生成文件名稱 * @return */ private String GenerateFileName() { // TODO Auto-generated method stub return UUID.randomUUID().toString() + ".mp3"; // 音頻文件格式 } /** * 獲得音量等級——通過mMediaRecorder獲得振幅，然后換算成聲音Level * maxLevel最大為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; } /** * 釋放資源 */ public void release() { if(mRecorder != null) { mRecorder.stop(); mRecorder = null; } } /** * 停止錄音 */ public void stop(){ if(mRecorder!=null && mRecorder.isRecording()){ mRecorder.stop(); } } /** * 取消（釋放資源+刪除文件） */ public void delete() { release(); if (mCurrentFilePath != null) { File file = new File(mCurrentFilePath); file.delete(); //刪除錄音文件 mCurrentFilePath = null; } } public String getCurrentFilePath() { return mCurrentFilePath; } public int getMaxVolume(){ return mRecorder.getMaxVolume(); } public int getVolume(){ return mRecorder.getVolume(); }} |
2. 語音播放器封裝
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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; //播放錄音文件 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; } }); } } /** * 播放音頻 * @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 { //詳見“MediaPlayer”調用過程圖 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("語音error==",e.getMessage()); } } /** * 暫停 */ 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繼續 */ 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釋放資源 */ 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; } } /** * 判斷是否在播放視頻 * @return */ public synchronized static boolean isPlaying(){ return mMediaPlayer != null && mMediaPlayer.isPlaying(); }} |
3. 語音列表順序播放
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private int lastPos = -1; //播放語音 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,"語音文件不合法",Toast.LENGTH_LONG).show(); return; } if(lastPos != position && "itemClick".equals(from)){ stopAnimation(); MediaManager.reset(); } lastPos = position;//獲取listview某一個條目的圖片控件 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) { //播放完停止動畫 重置MediaManager stopAnimation(); MediaManager.reset(); playVoice(position + 1, "loop"); } }); } } |
4. 語音列表單個播放 復用問題處理
播放邏輯基本同上
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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,"語音文件不合法",Toast.LENGTH_LONG).show(); return; } if(position != lastPosition){ //點擊不同條目先停止動畫 重置音頻資源 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 //點擊了某一個條目 這個條目isSelect=true 上一個條目isSelect需要改為false 防止滑動過程中 幀動畫復用問題 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); } }/** * 適配器圖片播放的動畫處理 */private void setVoiceAnimation(ImageView iv_voice, FendaListInfo.ObjsEntity obj) { //處理動畫復用問題 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.下載地址
以上就是本文的全部內容，希望對大家的學習有所幫助，也希望大家多多支持服務器之家。
原文鏈接：https://blog.csdn.net/rjgcszlc/article/details/78036010
