Android仿微信語音聊天功能
更新時(shí)間：2021年06月30日 14:27:03 作者：徐劉根
這篇文章主要介紹了Android仿微信語音聊天功能，很實(shí)用，文中示例代碼介紹的非常詳細(xì)，具有一定的參考價(jià)值，感興趣的小伙伴們可以參考一下
本文實(shí)例講述了Android仿微信語音聊天功能代碼。分享給大家供大家參考。具體如下：
項(xiàng)目效果如下：
具體代碼如下：
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 用于回調(diào)
*/
public interface AudioStateListener {
void wellPrepared();
}
public AudioStateListener mAudioStateListener;
/**
* 回調(diào)方法
*/
public void setOnAudioStateListener(AudioStateListener listener) {
mAudioStateListener = listener;
}
// 去準(zhǔn)備
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();
// 設(shè)置輸出文件
mMediaRecorder.setOutputFile(dir.getAbsolutePath());
// 設(shè)置MediaRecorder的音頻源為麥克風(fēng)
mMediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
// 設(shè)置音頻格式
mMediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.RAW_AMR);
// 設(shè)置音頻編碼
mMediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);
// 準(zhǔn)備錄音
mMediaRecorder.prepare();
// 開始
mMediaRecorder.start();
// 準(zhǔn)備結(jié)束
isPrepare = true;
if (mAudioStateListener != null) {
mAudioStateListener.wellPrepared();
}
} catch (IllegalStateException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
/**
* 隨機(jī)生成文件的名稱
*/
private String generateFileName() {
return UUID.randomUUID().toString() + ".amr";
}
public int getVoiceLevel(int maxlevel) {
if (isPrepare) {
try {
// mMediaRecorder.getMaxAmplitude() 1~32767
return maxlevel * mMediaRecorder.getMaxAmplitude() / 32768 + 1;
} catch (Exception e) {
}
}
return 1;
}
/**
* 釋放資源
*/
public void release() {
//mMediaRecorder.stop();
mMediaRecorder.reset();
mMediaRecorder = null;
}
/**
* 取消錄音
*/
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;// 默認(rèn)的狀態(tài)
private static final int STATE_RECORDING = 2;// 正在錄音
private static final int STATE_WANT_TO_CANCEL = 3;// 希望取消
private int mCurrentState = STATE_NORMAL; // 當(dāng)前的狀態(tài)
private boolean isRecording = false;// 已經(jīng)開始錄音
private static final int DISTANCE_Y_CANCEL = 50;
private DialogManager mDialogManager;
private AudioManager mAudioManager;
private float mTime;
// 是否觸發(fā)longClick
private 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;
/*
* 獲取音量大小的線程
*/
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() {
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case MSG_AUDIO_PREPARED:
// 顯示對話框在開始錄音以后
mDialogManager.showRecordingDialog();
isRecording = true;
// 開啟一個(gè)線程
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個(gè)方法是構(gòu)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);
}
});
// 由于這個(gè)類是button所以在構(gòu)造方法中添加監(jiān)聽事件
setOnLongClickListener(new OnLongClickListener() {
public boolean onLongClick(View v) {
mReady = true;
mAudioManager.prepareAudio();
return false;
}
});
}
public AudioRecorderButton(Context context) {
this(context, null);
}
/**
* 錄音完成后的回調(diào)
*/
public interface AudioFinishRecorderListener {
void onFinish(float seconds, String filePath);
}
private AudioFinishRecorderListener audioFinishRecorderListener;
public void setAudioFinishRecorderListener(AudioFinishRecorderListener listener) {
audioFinishRecorderListener = listener;
}
/**
* 屏幕的觸摸事件
*/
@Override
public boolean onTouchEvent(MotionEvent event) {
int action = event.getAction();
int x = (int) event.getX();// 獲得x軸坐標(biāo)
int y = (int) event.getY();// 獲得y軸坐標(biāo)
switch (action) {
case MotionEvent.ACTION_DOWN:
changeState(STATE_RECORDING);
break;
case MotionEvent.ACTION_MOVE:
if (isRecording) {
// 如果想要取消，根據(jù)x,y的坐標(biāo)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);// 延遲顯示對話框
} else if (mCurrentState == STATE_RECORDING) { // 正在錄音的時(shí)候，結(jié)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);
}
/**
* 恢復(fù)狀態(tài)及標(biāo)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()) { // 超過按鈕的寬度
return true;
}
// 超過按鈕的高度
if (y < -DISTANCE_Y_CANCEL || y > getHeight() + DISTANCE_Y_CANCEL) {
return true;
}
return false;
}
/**
* 改變
*/
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
/**
* 構(gòu)造方法 傳入上下文
*/
public DialogManager(Context context) {
this.mContext = context;
}
// 顯示錄音的對話框
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()){ //顯示狀態(tài)
mIcon.setVisibility(View.VISIBLE);
mVoice.setVisibility(View.VISIBLE);
mLable.setVisibility(View.VISIBLE);
mIcon.setImageResource(R.drawable.recorder);
mLable.setText("手指上滑，取消發(fā)送");
}
}
// 顯示想取消的對話框
public void wantToCancel() {
if(dialog != null && dialog.isShowing()){ //顯示狀態(tài)
mIcon.setVisibility(View.VISIBLE);
mVoice.setVisibility(View.GONE);
mLable.setVisibility(View.VISIBLE);
mIcon.setImageResource(R.drawable.cancel);
mLable.setText("松開手指，取消發(fā)送");
}
}
// 顯示時(shí)間過短的對話框
public void tooShort() {
if(dialog != null && dialog.isShowing()){ //顯示狀態(tài)
mIcon.setVisibility(View.VISIBLE);
mVoice.setVisibility(View.GONE);
mLable.setVisibility(View.VISIBLE);
mIcon.setImageResource(R.drawable.voice_to_short);
mLable.setText("錄音時(shí)間過短");
}
}
// 顯示取消的對話框
public void dimissDialog() {
if(dialog != null && dialog.isShowing()){ //顯示狀態(tài)
dialog.dismiss();
dialog = null;
}
}
// 顯示更新音量級(jí)別的對話框
public void updateVoiceLevel(int level) {
if(dialog != null && dialog.isShowing()){ //顯示狀態(tài)
// mIcon.setVisibility(View.VISIBLE);
// mVoice.setVisibility(View.VISIBLE);
// mLable.setVisibility(View.VISIBLE);
//設(shè)置圖片的id
int 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;
@Override
protected 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(); //通知更新的內(nèi)容
mListView.setSelection(mDatas.size() - 1); //將lisview設(shè)置為最后一個(gè)
}
});
mAdapter = new RecoderAdapter(this, mDatas);
mListView.setAdapter(mAdapter);
//listView的item點(diǎn)擊事件
mListView.setOnItemClickListener(new OnItemClickListener() {
public void onItemClick(AdapterView<?> arg0, View view,int position, long id) {
// 播放動(dòng)畫（幀動(dòng)畫）
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();
// 播放錄音
MediaManager.playSound(mDatas.get(position).filePath,new MediaPlayer.OnCompletionListener() {
public void onCompletion(MediaPlayer mp) {
animView.setBackgroundResource(R.drawable.adj);
}
});
}
});
}
@Override
protected void onPause() {
super.onPause();
MediaManager.pause();
}
@Override
protected void onResume() {
super.onResume();
MediaManager.resume();
}
@Override
protected 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;
/**
* 播放音樂
* @param filePath
* @param onCompletionListener
*/
public static void playSound(String filePath,OnCompletionListener onCompletionListener) {
if (mMediaPlayer == null) {
mMediaPlayer = new MediaPlayer();
//設(shè)置一個(gè)error監(jiān)聽器
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) {
}
}
/**
* 暫停播放
*/
public static void pause() {
if (mMediaPlayer != null && mMediaPlayer.isPlaying()) { //正在播放的時(shí)候
mMediaPlayer.pause();
isPause = true;
}
}
/**
* 當(dāng)前是isPause狀態(tài)
*/
public static void resume() {
if (mMediaPlayer != null && isPause) {
mMediaPlayer.start();
isPause = false;
}
}
/**
* 釋放資源
*/
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寬度
private int mMaxItemWidth; //最大的item寬度
private LayoutInflater mInflater;
public RecoderAdapter(Context context, List<Recorder> datas) {
super(context, -1, datas);
mContext = context;
mDatas = datas;
//獲取屏幕的寬度
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);
}
/**
* 定義一個(gè)ViewHolder
*/
private class ViewHolder {
TextView seconds; // 時(shí)間
View length; // 長度
}
@Override
public 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;
}
}
本文已被整理到了《Android微信開發(fā)教程匯總》，歡迎大家學(xué)習(xí)閱讀。
以上就是本文的全部內(nèi)容，希望對大家的學(xué)習(xí)有所幫助。
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