Android模仿微信语音聊天功能

项目效果如下：

项目目录结构如下：

代码如下：

AudioManager.java

package com.xuliugen.weichat;import java.io.File;
import java.io.IOException;
import java.util.UUID;import android.media.MediaRecorder;public class AudioManager {private MediaRecorder mMediaRecorder;private String mDir;private String mCurrentFilePath;private static AudioManager mInstance;private boolean isPrepare;private AudioManager(String dir) {mDir = dir;}public static AudioManager getInstance(String dir) {if (mInstance == null) {synchronized (AudioManager.class) {if (mInstance == null) {mInstance = new AudioManager(dir);}}}return mInstance;}/*** 使用接口 用于回调*/public interface AudioStateListener {void wellPrepared();}public AudioStateListener mAudioStateListener;/*** 回调方法*/public void setOnAudioStateListener(AudioStateListener listener) {mAudioStateListener = listener;}// 去准备public void prepareAudio() {try {isPrepare = false;File dir = new File(mDir);if (!dir.exists()) {dir.mkdirs();}String fileName = generateFileName();File file = new File(dir, fileName);mCurrentFilePath =file.getAbsolutePath();mMediaRecorder = new MediaRecorder();// 设置输出文件mMediaRecorder.setOutputFile(dir.getAbsolutePath());// 设置MediaRecorder的音频源为麦克风mMediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);// 设置音频格式mMediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.RAW_AMR);// 设置音频编码mMediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);// 准备录音mMediaRecorder.prepare();// 开始mMediaRecorder.start();// 准备结束isPrepare = true;if (mAudioStateListener != null) {mAudioStateListener.wellPrepared();}} catch (IllegalStateException e) {e.printStackTrace();} catch (IOException e) {e.printStackTrace();}}/*** 随机生成文件的名称*/private String generateFileName() {return UUID.randomUUID().toString() + ".amr";}public int getVoiceLevel(int maxlevel) {if (isPrepare) {try {// mMediaRecorder.getMaxAmplitude() 1~32767return maxlevel * mMediaRecorder.getMaxAmplitude() / 32768 + 1;} catch (Exception e) {}}return 1;}/*** 释放资源*/public void release() {//mMediaRecorder.stop();mMediaRecorder.reset();mMediaRecorder = null;}/*** 取消录音*/public void cancel() {release();if (mCurrentFilePath != null) {File file = new File(mCurrentFilePath);file.delete();mCurrentFilePath = null;}}public String getCurrentFilePath() {return mCurrentFilePath;}
}

AudioRecorderButton.java

package com.xuliugen.weichat;import android.content.Context;
import android.os.Environment;
import android.os.Handler;
import android.os.Message;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.view.View;
import android.widget.Button;import com.xuliugen.weichat.R;
import com.xuliugen.weichat.AudioManager.AudioStateListener;public class AudioRecorderButton extends Button {private static final int STATE_NORMAL = 1;// 默认的状态private static final int STATE_RECORDING = 2;// 正在录音private static final int STATE_WANT_TO_CANCEL = 3;// 希望取消private int mCurrentState = STATE_NORMAL; // 当前的状态private boolean isRecording = false;// 已经开始录音private static final int DISTANCE_Y_CANCEL = 50;private DialogManager mDialogManager;private AudioManager mAudioManager;private float mTime;// 是否触发longClickprivate boolean mReady;private static final int MSG_AUDIO_PREPARED = 0x110;private static final int MSG_VOICE_CHANGED = 0x111;private static final int MSG_DIALOG_DIMISS = 0x112;/** 获取音量大小的线程*/private Runnable mGetVoiceLevelRunnable = new Runnable() {public void run() {while (isRecording) {try {Thread.sleep(100);mTime += 0.1f;mHandler.sendEmptyMessage(MSG_VOICE_CHANGED);} catch (InterruptedException e) {e.printStackTrace();}}}};private Handler mHandler = new Handler() {@Overridepublic void handleMessage(Message msg) {switch (msg.what) {case MSG_AUDIO_PREPARED:// 显示對話框在开始录音以后mDialogManager.showRecordingDialog();isRecording = true;// 开启一个线程new Thread(mGetVoiceLevelRunnable).start();break;case MSG_VOICE_CHANGED:mDialogManager.updateVoiceLevel(mAudioManager.getVoiceLevel(7));break;case MSG_DIALOG_DIMISS:mDialogManager.dimissDialog();break;}super.handleMessage(msg);}};/*** 以下2个方法是构造方法*/public AudioRecorderButton(Context context, AttributeSet attrs) {super(context, attrs);mDialogManager = new DialogManager(context);String dir = "/storage/sdcard0/my_weixin";//String dir = Environment.getExternalStorageDirectory()+"/my_weixin";mAudioManager = AudioManager.getInstance(dir);mAudioManager.setOnAudioStateListener(new 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);}/*** 录音完成后的回调*/public interface AudioFinishRecorderListener {void onFinish(float seconds, String filePath);}private AudioFinishRecorderListener audioFinishRecorderListener;public void setAudioFinishRecorderListener(AudioFinishRecorderListener listener) {audioFinishRecorderListener = listener;}/*** 屏幕的触摸事件*/@Overridepublic boolean onTouchEvent(MotionEvent event) {int action = event.getAction();int x = (int) event.getX();// 获得x轴坐标int y = (int) event.getY();// 获得y轴坐标switch (action) {case MotionEvent.ACTION_DOWN:changeState(STATE_RECORDING);break;case MotionEvent.ACTION_MOVE:if (isRecording) {// 如果想要取消，根据x,y的坐标看是否需要取消if (wantToCancle(x, y)) {changeState(STATE_WANT_TO_CANCEL);} else {changeState(STATE_RECORDING);}}break;case MotionEvent.ACTION_UP:if (!mReady) {reset();return super.onTouchEvent(event);}if (!isRecording || mTime < 0.6f) {mDialogManager.tooShort();mAudioManager.cancel();mHandler.sendEmptyMessageDelayed(MSG_DIALOG_DIMISS, 1000);// 延迟显示对话框} else if (mCurrentState == STATE_RECORDING) { // 正在录音的时候，结束mDialogManager.dimissDialog();mAudioManager.release();if (audioFinishRecorderListener != null) {audioFinishRecorderListener.onFinish(mTime,mAudioManager.getCurrentFilePath());}} else if (mCurrentState == STATE_WANT_TO_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) {if (x < 0 || x > getWidth()) { // 超过按钮的宽度return true;}// 超过按钮的高度if (y < -DISTANCE_Y_CANCEL || y > getHeight() + DISTANCE_Y_CANCEL) {return true;}return false;}/*** 改变*/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_WANT_TO_CANCEL:setBackgroundResource(R.drawable.btn_recorder_recording);setText(R.string.str_recorder_want_cancel);mDialogManager.wantToCancel();break;}}}
}

DialogManager.java

package com.xuliugen.weichat;import android.app.AlertDialog;
import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.ImageView;
import android.widget.TextView;import com.xuliugen.weichat.R;/*** 用于管理Dialog* * @author xuliugen* */
public class DialogManager {private AlertDialog.Builder builder;private ImageView mIcon;private ImageView mVoice;private TextView mLable;private Context mContext;private AlertDialog dialog;//用于取消AlertDialog.Builder/*** 构造方法 传入上下文*/public DialogManager(Context context) {this.mContext = context;}// 显示录音的对话框public void showRecordingDialog() {builder = new AlertDialog.Builder(mContext, R.style.AudioDialog);LayoutInflater inflater = LayoutInflater.from(mContext);View view = inflater.inflate(R.layout.dialog_recorder,null);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);builder.setView(view);builder.create();dialog = builder.show();}public void recording(){if(dialog != null && dialog.isShowing()){ //显示状态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");}}// 显示想取消的对话框public void wantToCancel() {if(dialog != null && dialog.isShowing()){ //显示状态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");}}// 显示时间过短的对话框public void tooShort() {if(dialog != null && dialog.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");}}// 显示取消的对话框public void dimissDialog() {if(dialog != null && dialog.isShowing()){ //显示状态dialog.dismiss();dialog = null;}}// 显示更新音量级别的对话框public void updateVoiceLevel(int level) {if(dialog != null && dialog.isShowing()){ //显示状态
//          mIcon.setVisibility(View.VISIBLE);
//          mVoice.setVisibility(View.VISIBLE);
//          mLable.setVisibility(View.VISIBLE);//设置图片的idint resId = mContext.getResources().getIdentifier("v"+level, "drawable", mContext.getPackageName());mVoice.setImageResource(resId);}}}

MainActivity.java

package com.xuliugen.weichat;import java.util.ArrayList;
import java.util.List;import com.xuliugen.weichat.AudioRecorderButton.AudioFinishRecorderListener;import android.app.Activity;
import android.graphics.drawable.AnimationDrawable;
import android.media.MediaPlayer;
import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.AdapterView.OnItemClickListener;public class MainActivity extends Activity {private ListView mListView;private ArrayAdapter<Recorder> mAdapter;private List<Recorder> mDatas = new ArrayList<MainActivity.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.setAudioFinishRecorderListener(new AudioFinishRecorderListener() {public void onFinish(float seconds, String filePath) {Recorder recorder = new Recorder(seconds, filePath);mDatas.add(recorder);mAdapter.notifyDataSetChanged(); //通知更新的内容mListView.setSelection(mDatas.size() - 1); //将lisview设置为最后一个}});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) {// 播放动画（帧动画）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MediaManager.playSound(mDatas.get(position).filePath,new MediaPlayer.OnCompletionListener() {public void onCompletion(MediaPlayer mp) {animView.setBackgroundResource(R.drawable.adj);}});}});}@Overrideprotected void onPause() {super.onPause();MediaManager.pause();}@Overrideprotected void onResume() {super.onResume();MediaManager.resume();}@Overrideprotected void onDestroy() {super.onDestroy();MediaManager.release();}class Recorder {float time;String filePath;public Recorder(float time, String filePath) {super();this.time = time;this.filePath = filePath;}public float getTime() {return time;}public void setTime(float time) {this.time = time;}public String getFilePath() {return filePath;}public void setFilePath(String filePath) {this.filePath = filePath;}}}

MediaManager.java

package com.xuliugen.weichat;import android.media.AudioManager;
import android.media.MediaPlayer;
import android.media.MediaPlayer.OnCompletionListener;
import android.media.MediaPlayer.OnErrorListener;public class MediaManager {private static MediaPlayer mMediaPlayer; private static boolean isPause;/*** 播放音乐* @param filePath* @param onCompletionListener*/public static void playSound(String filePath,OnCompletionListener onCompletionListener) {if (mMediaPlayer == null) {mMediaPlayer = new MediaPlayer();//设置一个error监听器mMediaPlayer.setOnErrorListener(new OnErrorListener() {public boolean onError(MediaPlayer arg0, int arg1, int arg2) {mMediaPlayer.reset();return false;}});} else {mMediaPlayer.reset();}try {mMediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);mMediaPlayer.setOnCompletionListener(onCompletionListener);mMediaPlayer.setDataSource(filePath);mMediaPlayer.prepare();mMediaPlayer.start();} catch (Exception e) {}}/*** 暂停播放*/public static void pause() {if (mMediaPlayer != null && mMediaPlayer.isPlaying()) { //正在播放的时候mMediaPlayer.pause();isPause = true;}}/*** 当前是isPause状态*/public static void resume() {if (mMediaPlayer != null && isPause) {  mMediaPlayer.start();isPause = false;}}/*** 释放资源*/public static void release() {if (mMediaPlayer != null) {mMediaPlayer.release();mMediaPlayer = null;}}
}

RecoderAdapter.java

package com.xuliugen.weichat;import java.util.List;import android.content.Context;
import android.util.DisplayMetrics;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.WindowManager;
import android.widget.ArrayAdapter;
import android.widget.TextView;import com.xuliugen.weichat.MainActivity.Recorder;public class RecoderAdapter extends ArrayAdapter<Recorder> {private Context mContext;private List<Recorder> mDatas;private int mMinItemWidth; //最小的item宽度private int mMaxItemWidth; //最大的item宽度private LayoutInflater mInflater;public RecoderAdapter(Context context, List<Recorder> datas) {super(context, -1, datas);mContext = context;mDatas = datas;//获取屏幕的宽度WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);DisplayMetrics outMetrics = new DisplayMetrics();wm.getDefaultDisplay().getMetrics(outMetrics);mMaxItemWidth = (int) (outMetrics.widthPixels * 0.7f);mMinItemWidth = (int) (outMetrics.widthPixels * 0.15f);mInflater = LayoutInflater.from(context);}/*** 定义一个ViewHolder*/private class ViewHolder {TextView seconds; // 时间View length; // 长度}@Overridepublic View getView(int position, View convertView, ViewGroup parent) {ViewHolder holder = null;if (convertView == null) {convertView = mInflater.inflate(R.layout.item_recoder, parent,false);holder = new ViewHolder();holder.seconds = (TextView) convertView.findViewById(R.id.id_recoder_time);holder.length = convertView.findViewById(R.id.id_recoder_lenght);convertView.setTag(holder);} else {holder = (ViewHolder) convertView.getTag();}holder.seconds.setText(Math.round(getItem(position).time) + "\"");ViewGroup.LayoutParams lp = holder.length.getLayoutParams();lp.width = (int) (mMinItemWidth + (mMaxItemWidth / 60f)* getItem(position).time);return convertView;}
}

完整项目下载地址：http://download.csdn.net/detail/u010870518/8655667

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Android模仿微信语音聊天功能

项目效果如下：

项目目录结构如下：

代码如下：

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