Android仿微信语音聊天界面

有段时间没有看视频了，昨天晚上抽了点空时间，又看了下鸿洋大神的视频教程，又抽时间写了个学习记录。代码和老师讲的基本一样，网上也有很多相同的博客。我只是在AndroidStudio环境下写的。

—-主界面代码——

    public class MainActivity extends Activity {private ListView mListView;private ArrayAdapter<Recorder> mAdapter;private List<Recorder> mDatas = new ArrayList<Recorder>();private AudioRecorderButton mAudioRecorderButton;private View animView;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);mListView = (ListView) findViewById(R.id.id_listview);mAudioRecorderButton = (AudioRecorderButton) findViewById(R.id.id_recorder_button);mAudioRecorderButton.setFinishRecorderCallBack(new AudioRecorderButton.AudioFinishRecorderCallBack() {public void onFinish(float seconds, String filePath) {Recorder recorder = new Recorder(seconds, filePath);mDatas.add(recorder);//更新数据mAdapter.notifyDataSetChanged();//设置位置mListView.setSelection(mDatas.size() - 1);}});mAdapter = new RecoderAdapter(this, mDatas);mListView.setAdapter(mAdapter);//listView的item点击事件mListView.setOnItemClickListener(new OnItemClickListener() {public void onItemClick(AdapterView<?> arg0, View view, int position, long id) {// 声音播放动画if (animView != null) {animView.setBackgroundResource(R.drawable.adj);animView = null;}animView = view.findViewById(R.id.id_recoder_anim);animView.setBackgroundResource(R.drawable.play_anim);AnimationDrawable animation = (AnimationDrawable) animView.getBackground();animation.start();// 播放录音MediaPlayerManager.playSound(mDatas.get(position).filePath, new MediaPlayer.OnCompletionListener() {public void onCompletion(MediaPlayer mp) {//播放完成后修改图片animView.setBackgroundResource(R.drawable.adj);}});}});}@Overrideprotected void onPause() {super.onPause();MediaPlayerManager.pause();}@Overrideprotected void onResume() {super.onResume();MediaPlayerManager.resume();}@Overrideprotected void onDestroy() {super.onDestroy();MediaPlayerManager.release();}

—自定义Button——-

/*** @param* @author ldm* @description 自定义Button* @time 2016/6/25 9:26*/
public class AudioRecorderButton extends Button {// 按钮正常状态（默认状态）private static final int STATE_NORMAL = 1;//正在录音状态private static final int STATE_RECORDING = 2;//录音取消状态private static final int STATE_CANCEL = 3;//记录当前状态private int mCurrentState = STATE_NORMAL;//是否开始录音标志private boolean isRecording = false;//判断在Button上滑动距离，以判断 是否取消private static final int DISTANCE_Y_CANCEL = 50;//对话框管理工具类private DialogManager mDialogManager;//录音管理工具类private AudioManager mAudioManager;//记录录音时间private float mTime;// 是否触发longClickprivate boolean mReady;//录音准备private static final int MSG_AUDIO_PREPARED = 0x110;//音量发生改变private static final int MSG_VOICE_CHANGED = 0x111;//取消提示对话框private static final int MSG_DIALOG_DIMISS = 0x112;/*** @description 获取音量大小的线程* @author ldm* @time 2016/6/25 9:30* @param*/private Runnable mGetVoiceLevelRunnable = new Runnable() {public void run() {while (isRecording) {//判断正在录音try {Thread.sleep(100);mTime += 0.1f;//录音时间计算mHandler.sendEmptyMessage(MSG_VOICE_CHANGED);//每0.1秒发送消息} catch (InterruptedException e) {e.printStackTrace();}}}};private Handler mHandler = new Handler() {@Overridepublic void handleMessage(Message msg) {switch (msg.what) {case MSG_AUDIO_PREPARED://显示对话框mDialogManager.showRecordingDialog();isRecording = true;// 开启一个线程计算录音时间new Thread(mGetVoiceLevelRunnable).start();break;case MSG_VOICE_CHANGED://更新声音mDialogManager.updateVoiceLevel(mAudioManager.getVoiceLevel(7));break;case MSG_DIALOG_DIMISS://取消对话框mDialogManager.dimissDialog();break;}super.handleMessage(msg);}};public AudioRecorderButton(Context context, AttributeSet attrs) {super(context, attrs);mDialogManager = new DialogManager(context);//录音文件存放地址String dir = Environment.getExternalStorageDirectory() + "/ldm_voice";mAudioManager = AudioManager.getInstance(dir);mAudioManager.setOnAudioStateListener(new AudioManager.AudioStateListener() {public void wellPrepared() {mHandler.sendEmptyMessage(MSG_AUDIO_PREPARED);}});// 由于这个类是button所以在构造方法中添加监听事件setOnLongClickListener(new OnLongClickListener() {public boolean onLongClick(View v) {mReady = true;mAudioManager.prepareAudio();return false;}});}public AudioRecorderButton(Context context) {this(context, null);}/*** @description 录音完成后的回调* @author ldm* @time  2016/6/25 11:18* @param*/public interface AudioFinishRecorderCallBack {void onFinish(float seconds, String filePath);}private AudioFinishRecorderCallBack finishRecorderCallBack;public void setFinishRecorderCallBack(AudioFinishRecorderCallBack listener) {finishRecorderCallBack = listener;}/*** @param* @description 处理Button的OnTouchEvent事件* @author ldm* @time 2016/6/25 9:35*/@Overridepublic boolean onTouchEvent(MotionEvent event) {//获取TouchEvent状态int action = event.getAction();// 获得x轴坐标int x = (int) event.getX();// 获得y轴坐标int y = (int) event.getY();switch (action) {case MotionEvent.ACTION_DOWN://手指按下changeState(STATE_RECORDING);break;case MotionEvent.ACTION_MOVE://手指移动if (isRecording) {//根据x,y的坐标判断是否需要取消if (wantToCancle(x, y)) {changeState(STATE_CANCEL);} else {changeState(STATE_RECORDING);}}break;case MotionEvent.ACTION_UP://手指放开if (!mReady) {reset();return super.onTouchEvent(event);}if (!isRecording || mTime < 0.6f) {//如果时间少于0.6s，则提示录音过短mDialogManager.tooShort();mAudioManager.cancel();// 延迟显示对话框mHandler.sendEmptyMessageDelayed(MSG_DIALOG_DIMISS, 1000);} else if (mCurrentState == STATE_RECORDING) {//如果状态为正在录音，则结束录制mDialogManager.dimissDialog();mAudioManager.release();if (finishRecorderCallBack != null) {finishRecorderCallBack.onFinish(mTime, mAudioManager.getCurrentFilePath());}} else if (mCurrentState == STATE_CANCEL) { // 想要取消mDialogManager.dimissDialog();mAudioManager.cancel();}reset();break;}return super.onTouchEvent(event);}/*** 恢复状态及标志位*/private void reset() {isRecording = false;mTime = 0;mReady = false;changeState(STATE_NORMAL);}private boolean wantToCancle(int x, int y) {// 超过按钮的宽度if (x < 0 || x > getWidth()) {return true;}// 超过按钮的高度if (y < -DISTANCE_Y_CANCEL || y > getHeight() + DISTANCE_Y_CANCEL) {return true;}return false;}/*** @param* @description 根据状态改变Button显示* @author ldm* @time 2016/6/25 9:36*/private void changeState(int state) {if (mCurrentState != state) {mCurrentState = state;switch (state) {case STATE_NORMAL:setBackgroundResource(R.drawable.btn_recorder_normal);setText(R.string.str_recorder_normal);break;case STATE_RECORDING:setBackgroundResource(R.drawable.btn_recorder_recording);setText(R.string.str_recorder_recording);if (isRecording) {mDialogManager.recording();}break;case STATE_CANCEL:setBackgroundResource(R.drawable.btn_recorder_recording);mDialogManager.wantToCancel();setText(R.string.str_recorder_want_cancel);break;}}}
}

—-对话框管理工具类——

/*** @description 对话框管理工具类* @author ldm* @time  2016/6/25 11:53* @param */
public class DialogManager {//弹出对话框private Dialog mDialog;//录音图标private ImageView mIcon;//音量显示 图标private ImageView mVoice;//对话框上提示文字private TextView mLable;//上下文对象private Context mContext;public DialogManager(Context context) {this.mContext = context;}/*** @param* @description 显示对话框* @author ldm* @time 2016/6/25 9:56*/public void showRecordingDialog() {//根据指定sytle实例化DialogmDialog = new Dialog(mContext, R.style.AudioDialog);LayoutInflater inflater = LayoutInflater.from(mContext);View view = inflater.inflate(R.layout.dialog_recorder, null);mDialog.setContentView(view);mIcon = (ImageView) view.findViewById(R.id.id_recorder_dialog_icon);mVoice = (ImageView) view.findViewById(R.id.id_recorder_dialog_voice);mLable = (TextView) view.findViewById(R.id.id_recorder_dialog_label);mDialog.show();}/*** @param* @description 正在录音状态的对话框* @author ldm* @time 2016/6/25 10:08*/public void recording() {if (mDialog != null && mDialog.isShowing()) {mIcon.setVisibility(View.VISIBLE);mVoice.setVisibility(View.VISIBLE);mLable.setVisibility(View.VISIBLE);mIcon.setImageResource(R.drawable.recorder);mLable.setText("手指上滑，取消发送");}}/*** @param* @description 取消录音状态对话框* @author ldm* @time 2016/6/25 10:08*/public void wantToCancel() {if (mDialog != null && mDialog.isShowing()) {mIcon.setVisibility(View.VISIBLE);mVoice.setVisibility(View.GONE);mLable.setVisibility(View.VISIBLE);mIcon.setImageResource(R.drawable.cancel);mLable.setText("松开手指，取消发送");}}/*** @param* @description时间过短提示的对话框* @author ldm* @time 2016/6/25 10:09*/public void tooShort() {if (mDialog != null && mDialog.isShowing()) { //显示状态mIcon.setVisibility(View.VISIBLE);mVoice.setVisibility(View.GONE);mLable.setVisibility(View.VISIBLE);mIcon.setImageResource(R.drawable.voice_to_short);mLable.setText("录音时间过短");}}/*** @param* @description* @author ldm* @time 2016/6/25 取消（关闭）对话框*/public void dimissDialog() {if (mDialog != null && mDialog.isShowing()) { //显示状态mDialog.dismiss();mDialog = null;}}// 显示更新音量级别的对话框public void updateVoiceLevel(int level) {if (mDialog != null && mDialog.isShowing()) { //显示状态mIcon.setVisibility(View.VISIBLE);mVoice.setVisibility(View.VISIBLE);mLable.setVisibility(View.VISIBLE);//设置图片的id，我们放在drawable中的声音图片是以v+数字格式的int resId = mContext.getResources().getIdentifier("v" + level, "drawable", mContext.getPackageName());mVoice.setImageResource(resId);}}}

—-声音播放工具类——

/*** @param* @author ldm* @description 播放声音工具类* @time 2016/6/25 11:29*/
public class MediaPlayerManager {//播放音频API类：MediaPlayerprivate static MediaPlayer mMediaPlayer;//是否暂停private static boolean isPause;/*** @param* filePath：文件路径* onCompletionListener：播放完成监听* @description 播放声音* @author ldm* @time 2016/6/25 11:30*/public static void playSound(String filePath, MediaPlayer.OnCompletionListener onCompletionListener) {if (mMediaPlayer == null) {mMediaPlayer = new MediaPlayer();//设置一个error监听器mMediaPlayer.setOnErrorListener(new MediaPlayer.OnErrorListener() {public boolean onError(MediaPlayer arg0, int arg1, int arg2) {mMediaPlayer.reset();return false;}});} else {mMediaPlayer.reset();}try {mMediaPlayer.setAudioStreamType(android.media.AudioManager.STREAM_MUSIC);mMediaPlayer.setOnCompletionListener(onCompletionListener);mMediaPlayer.setDataSource(filePath);mMediaPlayer.prepare();mMediaPlayer.start();} catch (Exception e) {}}/*** @param* @description 暂停播放* @author ldm* @time 2016/6/25 11:31*/public static void pause() {if (mMediaPlayer != null && mMediaPlayer.isPlaying()) { //正在播放的时候mMediaPlayer.pause();isPause = true;}}/*** @param* @description 重新播放* @author ldm* @time 2016/6/25 11:31*/public static void resume() {if (mMediaPlayer != null && isPause) {mMediaPlayer.start();isPause = false;}}/*** @param* @description 释放操作* @author ldm* @time 2016/6/25 11:32*/public static void release() {if (mMediaPlayer != null) {mMediaPlayer.release();mMediaPlayer = null;}}

—–录音操作工具类—–

/*** @param* @author ldm* @description 录音管理工具类* @time 2016/6/25 9:39*/
public class AudioManager {//AudioRecord: 主要是实现边录边播（AudioRecord+AudioTrack）以及对音频的实时处理。// 优点：可以语音实时处理，可以实现各种音频的封装private MediaRecorder mMediaRecorder;//录音文件private String mDir;//当前录音文件目录private String mCurrentFilePath;//单例模式private static AudioManager mInstance;//是否准备好private boolean isPrepare;//私有构造方法private AudioManager(String dir) {mDir = dir;}//对外公布获取实例的方法public static AudioManager getInstance(String dir) {if (mInstance == null) {synchronized (AudioManager.class) {if (mInstance == null) {mInstance = new AudioManager(dir);}}}return mInstance;}/*** @param* @author ldm* @description 录音准备工作完成回调接口* @time 2016/6/25 11:14*/public interface AudioStateListener {void wellPrepared();}public AudioStateListener mAudioStateListener;/*** @param* @description 供外部类调用的设置回调方法* @author ldm* @time 2016/6/25 11:14*/public void setOnAudioStateListener(AudioStateListener listener) {mAudioStateListener = listener;}/*** @param* @description 录音准备工作* @author ldm* @time 2016/6/25 11:15*/public void prepareAudio() {try {isPrepare = false;File dir = new File(mDir);if (!dir.exists()) {dir.mkdirs();//文件不存在，则创建文件}String fileName = generateFileName();File file = new File(dir, fileName);mCurrentFilePath = file.getAbsolutePath();mMediaRecorder = new MediaRecorder();// 设置输出文件路径mMediaRecorder.setOutputFile(file.getAbsolutePath());// 设置MediaRecorder的音频源为麦克风mMediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);// 设置音频格式为RAW_AMRmMediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.RAW_AMR);// 设置音频编码为AMR_NBmMediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);// 准备录音mMediaRecorder.prepare();// 开始，必需在prepare()后调用mMediaRecorder.start();// 准备完成isPrepare = true;if (mAudioStateListener != null) {mAudioStateListener.wellPrepared();}} catch (Exception e) {e.printStackTrace();}}/*** @param* @description 随机生成录音文件名称* @author ldm* @time 2016/6/25 、*/private String generateFileName() {//随机生成不同的UUIDreturn UUID.randomUUID().toString() + ".amr";}/*** @param* @description 获取音量值* @author ldm* @time 2016/6/25 9:49*/public int getVoiceLevel(int maxlevel) {if (isPrepare) {try {// getMaxAmplitude返回的数值最大是32767return maxlevel * mMediaRecorder.getMaxAmplitude() / 32768 + 1;//返回结果1-7之间} catch (Exception e) {e.printStackTrace();}}return 1;}/*** @param* @description 释放资源* @author ldm* @time 2016/6/25 9:50*/public void release() {mMediaRecorder.stop();mMediaRecorder.reset();mMediaRecorder = null;}/*** @param* @description 录音取消* @author ldm* @time 2016/6/25 9:51*/public void cancel() {release();if (mCurrentFilePath != null) {//取消录音后删除对应文件File file = new File(mCurrentFilePath);file.delete();mCurrentFilePath = null;}}/*** @param* @description 获取当前文件路径* @author ldm* @time 2016/6/25 9:51*/public String getCurrentFilePath() {return mCurrentFilePath;}
}

代码中有注释，就不贴图了，和微信语音聊天界面一样的，所以叫仿微信 嘛，呵呵。运行了也可以看到效果。所有代码可以从这里下载：
http://download.csdn.net/detail/true100/9559210

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