android仿微信聊天界面 语音录制功能

 <?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"  android:layout_width="fill_parent"  android:layout_height="fill_parent"  android:background="@drawable/chat_bg_default" >   <!-- 标题栏 -->  <RelativeLayout  android:id="@+id/rl_layout"  android:layout_width="fill_parent"  android:layout_height="45dp"  android:background="@drawable/title_bar"  android:gravity="center_vertical" >   <Button   android:id="@+id/btn_back"   android:layout_width="70dp"   android:layout_height="wrap_content"   android:layout_centerVertical="true"   android:background="@drawable/title_btn_back"   android:onClick="chat_back"   android:text="返回"   android:textColor="#fff"   android:textSize="14sp" />   <TextView   android:layout_width="wrap_content"   android:layout_height="wrap_content"   android:layout_centerInParent="true"   android:text="白富美"   android:textColor="#ffffff"   android:textSize="20sp" />   <ImageButton   android:id="@+id/right_btn"   android:layout_width="67dp"   android:layout_height="wrap_content"   android:layout_alignParentRight="true"   android:layout_centerVertical="true"   android:layout_marginRight="5dp"   android:background="@drawable/title_btn_right"   android:src="@drawable/mm_title_btn_contact_normal" />  </RelativeLayout>   <!-- 底部按钮以及 编辑框 -->  <RelativeLayout  android:id="@+id/rl_bottom"  android:layout_width="fill_parent"  android:layout_height="wrap_content"  android:layout_alignParentBottom="true"  android:background="@drawable/chat_footer_bg" >   <ImageView   android:id="@+id/ivPopUp"   android:layout_width="wrap_content"   android:layout_height="wrap_content"   android:layout_alignParentLeft="true"   android:layout_centerVertical="true"   android:layout_marginLeft="10dip"   android:src="@drawable/chatting_setmode_msg_btn" />   <RelativeLayout   android:id="@+id/btn_bottom"   android:layout_width="fill_parent"   android:layout_height="wrap_content"   android:layout_alignParentRight="true"   android:layout_centerVertical="true"   android:layout_toRightOf="@+id/ivPopUp" >    <Button   android:id="@+id/btn_send"   android:layout_width="60dp"   android:layout_height="40dp"   android:layout_alignParentRight="true"   android:layout_centerVertical="true"   android:layout_marginRight="10dp"   android:background="@drawable/chat_send_btn"   android:text="发送" />    <EditText   android:id="@+id/et_sendmessage"   android:layout_width="fill_parent"   android:layout_height="40dp"   android:layout_centerVertical="true"   android:layout_marginLeft="10dp"   android:layout_marginRight="10dp"   android:layout_toLeftOf="@id/btn_send"   android:background="@drawable/login_edit_normal"   android:singleLine="true"   android:textSize="18sp" />  </RelativeLayout>   <TextView   android:id="@+id/btn_rcd"   android:layout_width="fill_parent"   android:layout_height="40dp"   android:layout_alignParentRight="true"   android:layout_centerVertical="true"   android:layout_marginLeft="10dp"   android:layout_marginRight="10dp"   android:layout_toRightOf="@+id/ivPopUp"   android:background="@drawable/chat_send_btn"   android:gravity="center"   android:text="按住说话"   android:visibility="gone" />  </RelativeLayout>   <!-- 聊天内容 listview -->  <ListView  android:id="@+id/listview"  android:layout_width="fill_parent"  android:layout_height="fill_parent"  android:layout_above="@id/rl_bottom"  android:layout_below="@id/rl_layout"  android:cacheColorHint="#0000"  android:divider="@null"  android:dividerHeight="5dp"  android:scrollbarStyle="outsideOverlay"  android:stackFromBottom="true" />   <!-- 录音显示UI层 -->  <LinearLayout  android:id="@+id/rcChat_popup"  android:layout_width="fill_parent"  android:layout_height="fill_parent"  android:gravity="center"  android:visibility="gone" >   <include   android:layout_width="wrap_content"   android:layout_height="wrap_content"   android:layout_gravity="center"   layout="@layout/voice_rcd_hint_window" />  </LinearLayout>  </RelativeLayout> 

package com.example.voice_rcd;  import java.io.IOException;  import android.media.MediaRecorder; import android.os.Environment;  public class SoundMeter {  static final private double EMA_FILTER = 0.6;   private MediaRecorder mRecorder = null;  private double mEMA = 0.0;   public void start(String name) {  if (!Environment.getExternalStorageState().equals(   android.os.Environment.MEDIA_MOUNTED)) {   return;  }  if (mRecorder == null) {   mRecorder = new MediaRecorder();   mRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);   mRecorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP);   mRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);   mRecorder.setOutputFile(android.os.Environment.getExternalStorageDirectory()+"/"+name);   try {   mRecorder.prepare();   mRecorder.start();      mEMA = 0.0;   } catch (IllegalStateException e) {   System.out.print(e.getMessage());   } catch (IOException e) {   System.out.print(e.getMessage());   }   }  }   public void stop() {  if (mRecorder != null) {   mRecorder.stop();   mRecorder.release();   mRecorder = null;  }  }   public void pause() {  if (mRecorder != null) {   mRecorder.stop();  }  }   public void start() {  if (mRecorder != null) {   mRecorder.start();  }  }   public double getAmplitude() {  if (mRecorder != null)   return (mRecorder.getMaxAmplitude() / 2700.0);  else   return 0;   }   public double getAmplitudeEMA() {  double amp = getAmplitude();  mEMA = EMA_FILTER * amp + (1.0 - EMA_FILTER) * mEMA;  return mEMA;  } } 

package com.example.voice_rcd;  import java.io.File; import java.util.ArrayList; import java.util.Calendar; import java.util.List;  import android.app.Activity; import android.os.Bundle; import android.os.Environment; import android.os.Handler; import android.os.SystemClock; import android.view.MotionEvent; import android.view.View; import android.view.View.OnClickListener; import android.view.View.OnTouchListener; import android.view.WindowManager; import android.view.animation.Animation; import android.view.animation.AnimationUtils; import android.widget.Button; import android.widget.EditText; import android.widget.ImageView; import android.widget.LinearLayout; import android.widget.ListView; import android.widget.RelativeLayout; import android.widget.TextView; import android.widget.Toast;  public class MainActivity extends Activity implements OnClickListener {  /** Called when the activity is first created. */   private Button mBtnSend;  private TextView mBtnRcd;  private Button mBtnBack;  private EditText mEditTextContent;  private RelativeLayout mBottom;  private ListView mListView;  private ChatMsgViewAdapter mAdapter;  private List<ChatMsgEntity> mDataArrays = new ArrayList<ChatMsgEntity>();  private boolean isShosrt = false;  private LinearLayout voice_rcd_hint_loading, voice_rcd_hint_rcding,   voice_rcd_hint_tooshort;  private ImageView img1, sc_img1;  private SoundMeter mSensor;  private View rcChat_popup;  private LinearLayout del_re;  private ImageView chatting_mode_btn, volume;  private boolean btn_vocie = false;  private int flag = 1;  private Handler mHandler = new Handler();  private String voiceName;  private long startVoiceT, endVoiceT;   public void onCreate(Bundle savedInstanceState) {  super.onCreate(savedInstanceState);  setContentView(R.layout.chat);  // 启动activity时不自动弹出软键盘  getWindow().setSoftInputMode(   WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN);  initView();   initData();  }   public void initView() {  mListView = (ListView) findViewById(R.id.listview);  mBtnSend = (Button) findViewById(R.id.btn_send);  mBtnRcd = (TextView) findViewById(R.id.btn_rcd);  mBtnSend.setOnClickListener(this);  mBtnBack = (Button) findViewById(R.id.btn_back);  mBottom = (RelativeLayout) findViewById(R.id.btn_bottom);  mBtnBack.setOnClickListener(this);  chatting_mode_btn = (ImageView) this.findViewById(R.id.ivPopUp);  volume = (ImageView) this.findViewById(R.id.volume);  rcChat_popup = this.findViewById(R.id.rcChat_popup);  img1 = (ImageView) this.findViewById(R.id.img1);  sc_img1 = (ImageView) this.findViewById(R.id.sc_img1);  del_re = (LinearLayout) this.findViewById(R.id.del_re);  voice_rcd_hint_rcding = (LinearLayout) this   .findViewById(R.id.voice_rcd_hint_rcding);  voice_rcd_hint_loading = (LinearLayout) this   .findViewById(R.id.voice_rcd_hint_loading);  voice_rcd_hint_tooshort = (LinearLayout) this   .findViewById(R.id.voice_rcd_hint_tooshort);  mSensor = new SoundMeter();  mEditTextContent = (EditText) findViewById(R.id.et_sendmessage);    //语音文字切换按钮  chatting_mode_btn.setOnClickListener(new OnClickListener() {    public void onClick(View v) {    if (btn_vocie) {    mBtnRcd.setVisibility(View.GONE);    mBottom.setVisibility(View.VISIBLE);    btn_vocie = false;    chatting_mode_btn     .setImageResource(R.drawable.chatting_setmode_msg_btn);    } else {    mBtnRcd.setVisibility(View.VISIBLE);    mBottom.setVisibility(View.GONE);    chatting_mode_btn     .setImageResource(R.drawable.chatting_setmode_voice_btn);    btn_vocie = true;   }   }  });  mBtnRcd.setOnTouchListener(new OnTouchListener() {     public boolean onTouch(View v, MotionEvent event) {   //按下语音录制按钮时返回false执行父类OnTouch   return false;   }  });  }   private String[] msgArray = new String[] { "有人就有恩怨","有恩怨就有江湖","人就是江湖","你怎么退出？ ","生命中充满了巧合","两条平行线也会有相交的一天。"};   private String[] dataArray = new String[] { "2012-10-31 18:00",   "2012-10-31 18:10", "2012-10-31 18:11", "2012-10-31 18:20",   "2012-10-31 18:30", "2012-10-31 18:35"};  private final static int COUNT = 6;   public void initData() {  for (int i = 0; i < COUNT; i++) {   ChatMsgEntity entity = new ChatMsgEntity();   entity.setDate(dataArray[i]);   if (i % 2 == 0) {   entity.setName("白富美");   entity.setMsgType(true);   } else {   entity.setName("高富帅");   entity.setMsgType(false);   }    entity.setText(msgArray[i]);   mDataArrays.add(entity);  }   mAdapter = new ChatMsgViewAdapter(this, mDataArrays);  mListView.setAdapter(mAdapter);   }   public void onClick(View v) {  // TODO Auto-generated method stub  switch (v.getId()) {  case R.id.btn_send:   send();   break;  case R.id.btn_back:   finish();   break;  }  }   private void send() {  String contString = mEditTextContent.getText().toString();  if (contString.length() > 0) {   ChatMsgEntity entity = new ChatMsgEntity();   entity.setDate(getDate());   entity.setName("高富帅");   entity.setMsgType(false);   entity.setText(contString);    mDataArrays.add(entity);   mAdapter.notifyDataSetChanged();    mEditTextContent.setText("");    mListView.setSelection(mListView.getCount() - 1);  }  }   private String getDate() {  Calendar c = Calendar.getInstance();   String year = String.valueOf(c.get(Calendar.YEAR));  String month = String.valueOf(c.get(Calendar.MONTH));  String day = String.valueOf(c.get(Calendar.DAY_OF_MONTH) + 1);  String hour = String.valueOf(c.get(Calendar.HOUR_OF_DAY));  String mins = String.valueOf(c.get(Calendar.MINUTE));   StringBuffer sbBuffer = new StringBuffer();  sbBuffer.append(year + "-" + month + "-" + day + " " + hour + ":"   + mins);   return sbBuffer.toString();  }   //按下语音录制按钮时  @Override  public boolean onTouchEvent(MotionEvent event) {   if (!Environment.getExternalStorageDirectory().exists()) {   Toast.makeText(this, "No SDCard", Toast.LENGTH_LONG).show();   return false;  }   if (btn_vocie) {   System.out.println("1");   int[] location = new int[2];   mBtnRcd.getLocationInWindow(location); // 获取在当前窗口内的绝对坐标   int btn_rc_Y = location[1];   int btn_rc_X = location[0];   int[] del_location = new int[2];   del_re.getLocationInWindow(del_location);   int del_Y = del_location[1];   int del_x = del_location[0];   if (event.getAction() == MotionEvent.ACTION_DOWN && flag == 1) {   if (!Environment.getExternalStorageDirectory().exists()) {    Toast.makeText(this, "No SDCard", Toast.LENGTH_LONG).show();    return false;   }   System.out.println("2");   if (event.getY() > btn_rc_Y && event.getX() > btn_rc_X) {//判断手势按下的位置是否是语音录制按钮的范围内    System.out.println("3");    mBtnRcd.setBackgroundResource(R.drawable.voice_rcd_btn_pressed);    rcChat_popup.setVisibility(View.VISIBLE);    voice_rcd_hint_loading.setVisibility(View.VISIBLE);    voice_rcd_hint_rcding.setVisibility(View.GONE);    voice_rcd_hint_tooshort.setVisibility(View.GONE);    mHandler.postDelayed(new Runnable() {    public void run() {     if (!isShosrt) {     voice_rcd_hint_loading.setVisibility(View.GONE);     voice_rcd_hint_rcding      .setVisibility(View.VISIBLE);     }    }    }, 300);    img1.setVisibility(View.VISIBLE);    del_re.setVisibility(View.GONE);    startVoiceT = SystemClock.currentThreadTimeMillis();    voiceName = startVoiceT + ".amr";    start(voiceName);    flag = 2;   }   } else if (event.getAction() == MotionEvent.ACTION_UP && flag == 2) {//松开手势时执行录制完成   System.out.println("4");   mBtnRcd.setBackgroundResource(R.drawable.voice_rcd_btn_nor);   if (event.getY() >= del_Y    && event.getY() <= del_Y + del_re.getHeight()    && event.getX() >= del_x    && event.getX() <= del_x + del_re.getWidth()) {    rcChat_popup.setVisibility(View.GONE);    img1.setVisibility(View.VISIBLE);    del_re.setVisibility(View.GONE);    stop();    flag = 1;    File file = new File(android.os.Environment.getExternalStorageDirectory()+"/"      + voiceName);    if (file.exists()) {    file.delete();    }   } else {     voice_rcd_hint_rcding.setVisibility(View.GONE);    stop();    endVoiceT = SystemClock.currentThreadTimeMillis();    flag = 1;    int time = (int) ((endVoiceT - startVoiceT) / 1000);    if (time < 1) {    isShosrt = true;    voice_rcd_hint_loading.setVisibility(View.GONE);    voice_rcd_hint_rcding.setVisibility(View.GONE);    voice_rcd_hint_tooshort.setVisibility(View.VISIBLE);    mHandler.postDelayed(new Runnable() {     public void run() {     voice_rcd_hint_tooshort      .setVisibility(View.GONE);     rcChat_popup.setVisibility(View.GONE);     isShosrt = false;     }    }, 500);    return false;    }    ChatMsgEntity entity = new ChatMsgEntity();    entity.setDate(getDate());    entity.setName("高富帅");    entity.setMsgType(false);    entity.setTime(time+"/"");    entity.setText(voiceName);    mDataArrays.add(entity);    mAdapter.notifyDataSetChanged();    mListView.setSelection(mListView.getCount() - 1);    rcChat_popup.setVisibility(View.GONE);    }   }   if (event.getY() < btn_rc_Y) {//手势按下的位置不在语音录制按钮的范围内   System.out.println("5");   Animation mLitteAnimation = AnimationUtils.loadAnimation(this,    R.anim.cancel_rc);   Animation mBigAnimation = AnimationUtils.loadAnimation(this,    R.anim.cancel_rc2);   img1.setVisibility(View.GONE);   del_re.setVisibility(View.VISIBLE);   del_re.setBackgroundResource(R.drawable.voice_rcd_cancel_bg);   if (event.getY() >= del_Y    && event.getY() <= del_Y + del_re.getHeight()    && event.getX() >= del_x    && event.getX() <= del_x + del_re.getWidth()) {    del_re.setBackgroundResource(R.drawable.voice_rcd_cancel_bg_focused);    sc_img1.startAnimation(mLitteAnimation);    sc_img1.startAnimation(mBigAnimation);   }   } else {    img1.setVisibility(View.VISIBLE);   del_re.setVisibility(View.GONE);   del_re.setBackgroundResource(0);   }  }  return super.onTouchEvent(event);  }   private static final int POLL_INTERVAL = 300;   private Runnable mSleepTask = new Runnable() {  public void run() {   stop();  }  };  private Runnable mPollTask = new Runnable() {  public void run() {   double amp = mSensor.getAmplitude();   updateDisplay(amp);   mHandler.postDelayed(mPollTask, POLL_INTERVAL);   }  };   private void start(String name) {  mSensor.start(name);  mHandler.postDelayed(mPollTask, POLL_INTERVAL);  }   private void stop() {  mHandler.removeCallbacks(mSleepTask);  mHandler.removeCallbacks(mPollTask);  mSensor.stop();  volume.setImageResource(R.drawable.amp1);  }   private void updateDisplay(double signalEMA) {    switch ((int) signalEMA) {  case 0:  case 1:   volume.setImageResource(R.drawable.amp1);   break;  case 2:  case 3:   volume.setImageResource(R.drawable.amp2);     break;  case 4:  case 5:   volume.setImageResource(R.drawable.amp3);   break;  case 6:  case 7:   volume.setImageResource(R.drawable.amp4);   break;  case 8:  case 9:   volume.setImageResource(R.drawable.amp5);   break;  case 10:  case 11:   volume.setImageResource(R.drawable.amp6);   break;  default:   volume.setImageResource(R.drawable.amp7);   break;  }  }   public void head_xiaohei(View v) { // 标题栏 返回按钮   } } 

package com.example.voice_rcd;  import java.util.List;  import android.content.Context; import android.media.MediaPlayer; import android.media.MediaPlayer.OnCompletionListener; import android.view.LayoutInflater; import android.view.View; import android.view.View.OnClickListener; import android.view.ViewGroup; import android.widget.BaseAdapter; import android.widget.TextView;  public class ChatMsgViewAdapter extends BaseAdapter {   public static interface IMsgViewType {  int IMVT_COM_MSG = 0;  int IMVT_TO_MSG = 1;  }   private static final String TAG = ChatMsgViewAdapter.class.getSimpleName();   private List<ChatMsgEntity> coll;   private Context ctx;   private LayoutInflater mInflater;  private MediaPlayer mMediaPlayer = new MediaPlayer();   public ChatMsgViewAdapter(Context context, List<ChatMsgEntity> coll) {  ctx = context;  this.coll = coll;  mInflater = LayoutInflater.from(context);  }   public int getCount() {  return coll.size();  }   public Object getItem(int position) {  return coll.get(position);  }   public long getItemId(int position) {  return position;  }   public int getItemViewType(int position) {  // TODO Auto-generated method stub  ChatMsgEntity entity = coll.get(position);   if (entity.getMsgType()) {   return IMsgViewType.IMVT_COM_MSG;  } else {   return IMsgViewType.IMVT_TO_MSG;  }   }   public int getViewTypeCount() {  // TODO Auto-generated method stub  return 2;  }   public View getView(int position, View convertView, ViewGroup parent) {   final ChatMsgEntity entity = coll.get(position);  boolean isComMsg = entity.getMsgType();   ViewHolder viewHolder = null;  if (convertView == null) {   if (isComMsg) {   convertView = mInflater.inflate(    R.layout.chatting_item_msg_text_left, null);   } else {   convertView = mInflater.inflate(    R.layout.chatting_item_msg_text_right, null);   }    viewHolder = new ViewHolder();   viewHolder.tvSendTime = (TextView) convertView    .findViewById(R.id.tv_sendtime);   viewHolder.tvUserName = (TextView) convertView    .findViewById(R.id.tv_username);   viewHolder.tvContent = (TextView) convertView    .findViewById(R.id.tv_chatcontent);   viewHolder.tvTime = (TextView) convertView    .findViewById(R.id.tv_time);   viewHolder.isComMsg = isComMsg;    convertView.setTag(viewHolder);  } else {   viewHolder = (ViewHolder) convertView.getTag();  }   viewHolder.tvSendTime.setText(entity.getDate());    if (entity.getText().contains(".amr")) {   viewHolder.tvContent.setText("");   viewHolder.tvContent.setCompoundDrawablesWithIntrinsicBounds(0, 0, R.drawable.chatto_voice_playing, 0);   viewHolder.tvTime.setText(entity.getTime());  } else {   viewHolder.tvContent.setText(entity.getText());    viewHolder.tvContent.setCompoundDrawablesWithIntrinsicBounds(0, 0, 0, 0);   viewHolder.tvTime.setText("");  }  viewHolder.tvContent.setOnClickListener(new OnClickListener() {     public void onClick(View v) {   if (entity.getText().contains(".amr")) {    playMusic(android.os.Environment.getExternalStorageDirectory()+"/"+entity.getText()) ;   }   }  });  viewHolder.tvUserName.setText(entity.getName());    return convertView;  }   static class ViewHolder {  public TextView tvSendTime;  public TextView tvUserName;  public TextView tvContent;  public TextView tvTime;  public boolean isComMsg = true;  }   /**  * @Description  * @param name  */  private void playMusic(String name) {  try {   if (mMediaPlayer.isPlaying()) {   mMediaPlayer.stop();   }   mMediaPlayer.reset();   mMediaPlayer.setDataSource(name);   mMediaPlayer.prepare();   mMediaPlayer.start();   mMediaPlayer.setOnCompletionListener(new OnCompletionListener() {   public void onCompletion(MediaPlayer mp) {    }   });   } catch (Exception e) {   e.printStackTrace();  }   }   private void stop() {   }  }