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() {    }  }