环信的简单集成（2）

作者: 沈溺_16e5 | 来源:发表于2019-04-11 11:41 被阅读0次

环信的简单集成（2）
IOS环信集成单聊
 集成环信IM(单聊)
ios环信3.0版本集成(包含音频通话)
环信
iOS 环信集成通过对消息扩展实现头像和昵称的显示
环信的简单集成（1）
集成环信EaseUI
环信UI3.0的集成方法
iOS开发-集成环信即时通讯会话列表和聊天头像的设置

13、MainActivity

xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity"
    android:orientation="vertical">

    <TextView
        android:id="@+id/user_name"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:textSize="30sp"/>

    <android.support.v7.widget.RecyclerView
        android:id="@+id/recyclerview"
        android:layout_weight="1"
        android:layout_width="match_parent"
        android:layout_height="0dp">

    </android.support.v7.widget.RecyclerView>

</LinearLayout>

import android.Manifest;
import android.content.Intent;
import android.os.Bundle;
import android.support.v4.app.ActivityCompat;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.text.TextUtils;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;

import com.example.huanxin.adapter.MyFriendListAdapter;
import com.example.huanxin.utils.SpUtil;
import com.example.huanxin.utils.ToastUtil;
import com.hyphenate.EMCallBack;
import com.hyphenate.chat.EMClient;
import com.hyphenate.exceptions.HyphenateException;

import java.util.ArrayList;
import java.util.List;

public class MainActivity extends AppCompatActivity {

    private TextView user_name;
    private RecyclerView recyclerview;
    private ArrayList<String> recyclerviewList;
    private MyFriendListAdapter myFriendListAdapter;
    private String mName;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        iniPer();
        initView();
        initFriend();
    }
    // 运行时权限，这里没有判断是否有权限，自己可以添加判断
    private void iniPer() {
        String[] per = {Manifest.permission.RECORD_AUDIO,
                Manifest.permission.CAMERA,
                Manifest.permission.WRITE_EXTERNAL_STORAGE,
                Manifest.permission.ACCESS_FINE_LOCATION,
                Manifest.permission.READ_PHONE_STATE};

        ActivityCompat.requestPermissions(this, per, 100);
    }

    private void initView() {
        user_name = (TextView) findViewById(R.id.user_name);
        recyclerview = (RecyclerView) findViewById(R.id.recyclerview);

        mName = (String) SpUtil.getParam(Constants.NAME, "没有登陆成功");
        user_name.setText("当前用户：" + mName);

        LinearLayoutManager layoutManager = new LinearLayoutManager(MainActivity.this);
        recyclerview.setLayoutManager(layoutManager);

        recyclerview.addItemDecoration(new DividerItemDecoration(ChatActivity.this,DividerItemDecoration.VERTICAL));

        recyclerviewList = new ArrayList<>();
        myFriendListAdapter = new MyFriendListAdapter(recyclerviewList, MainActivity.this);
        recyclerview.setAdapter(myFriendListAdapter);

        myFriendListAdapter.setOnItemClickListener(new MyFriendListAdapter.OnItemClickListener() {
            @Override
            public void onItemClick(String name) {
                goChatActivity(name);
            }
        });
    }

    private void goChatActivity(String name) {
        Intent intent = new Intent(MainActivity.this, ChatActivity.class);
        intent.putExtra(Constants.NAME,name);
        intent.putExtra(Constants.MName,mName);
        startActivity(intent);
    }

    // 加载好友
    private void initFriend() {
        new Thread(new Runnable() {
            @Override
            public void run() {
                try {
                    List<String> usernames = EMClient.getInstance().contactManager().getAllContactsFromServer();
                    recyclerviewList.clear();
                    recyclerviewList.addAll(usernames);
                    runOnUiThread(new Runnable() {
                        @Override
                        public void run() {
                            myFriendListAdapter.notifyDataSetChanged();
                        }
                    });

                } catch (HyphenateException e) {
                    e.printStackTrace();
                }
            }
        }).start();
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        menu.add(1, 1, 0, "退出登录");
        menu.add(1, 2, 0, "进入群聊");
        return super.onCreateOptionsMenu(menu);
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
            case 1:
                logout();
                break;
            case 2:
                Intent intent = new Intent(MainActivity.this, GroupChatActivity.class);
                intent.putExtra(Constants.MName,mName);
                startActivity(intent);
                break;
        }
        return super.onOptionsItemSelected(item);
    }

    private void logout() {
        EMClient.getInstance().logout(true, new EMCallBack() {

            @Override
            public void onSuccess() {
                // TODO Auto-generated method stub
                showToast("退出登陆成功");
                SpUtil.setParam(Constants.NAME, "");
                goLoginActivity();
            }

            @Override
            public void onProgress(int progress, String status) {
                // TODO Auto-generated method stub

            }

            @Override
            public void onError(int code, String message) {
                // TODO Auto-generated method stub
                showToast("退出登陆失败");
            }
        });
    }

    private void goLoginActivity() {
        startActivity(new Intent(MainActivity.this, LoginActivity.class));
        finish();
    }

    private void showToast(final String string) {
        runOnUiThread(new Runnable() {
            @Override
            public void run() {
                ToastUtil.showShort(string);
            }
        });
    }

}

adapter

import android.content.Context;
import android.support.annotation.NonNull;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;

import com.example.huanxin.R;

import java.util.ArrayList;

public class MyFriendListAdapter extends RecyclerView.Adapter<MyFriendListAdapter.ViewHolder> {
    private ArrayList<String> recyclerviewList;
    Context context;

    public MyFriendListAdapter(ArrayList<String> recyclerviewList, Context context) {
        this.recyclerviewList = recyclerviewList;
        this.context = context;
    }

    @NonNull
    @Override
    public ViewHolder onCreateViewHolder(@NonNull ViewGroup viewGroup, int i) {
        View view = LayoutInflater.from(context).inflate(R.layout.friendlist_item, null);
        ViewHolder viewHolder = new ViewHolder(view);
        return viewHolder;
    }

    @Override
    public void onBindViewHolder(@NonNull ViewHolder viewHolder, int i) {
        final String s = recyclerviewList.get(i);
        viewHolder.user_name.setText(s);

        viewHolder.itemView.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if (onItemClickListener!=null){
                    onItemClickListener.onItemClick(s);
                }
            }
        });
    }

    @Override
    public int getItemCount() {
        return recyclerviewList.size();
    }

    public class ViewHolder extends RecyclerView.ViewHolder {

        private TextView user_name;

        public ViewHolder(@NonNull View itemView) {
            super(itemView);
            user_name=itemView.findViewById(R.id.user_name);
        }
    }

    OnItemClickListener onItemClickListener;

    public void setOnItemClickListener(OnItemClickListener onItemClickListener) {
        this.onItemClickListener = onItemClickListener;
    }

    public interface OnItemClickListener{
        void onItemClick(String name);
    }
}

friendlist_item.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:gravity="center_vertical">

    <ImageView
        android:id="@+id/head_portrait"
        android:layout_width="50dp"
        android:layout_height="50dp"
        android:background="@mipmap/ic_launcher_round"
        android:layout_marginRight="10dp"/>

    <TextView
        android:id="@+id/user_name"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" />

</LinearLayout>

14、ChatActivity（聊天界面）

xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".ChatActivity"
    android:orientation="vertical">

    <TextView
        android:id="@+id/user_name"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:textSize="30sp"/>

    <android.support.v7.widget.RecyclerView
        android:id="@+id/recyclerview"
        android:layout_weight="1"
        android:layout_width="match_parent"
        android:layout_height="0dp">

    </android.support.v7.widget.RecyclerView>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal">

        <EditText
            android:id="@+id/et_msg"
            android:layout_weight="1"
            android:layout_width="0dp"
            android:layout_height="wrap_content" />

        <Button
            android:id="@+id/send_msg"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="发送"/>

    </LinearLayout>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal">

        <Button
            android:id="@+id/record_voice"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="开始录音"/>

        <Button
            android:id="@+id/send_voice"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="发送语音"/>

    </LinearLayout>

</LinearLayout>

import android.media.MediaPlayer;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.DividerItemDecoration;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.text.TextUtils;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;

import com.example.huanxin.adapter.MyChatAdapter;
import com.example.huanxin.utils.AudioUtil;
import com.example.huanxin.utils.ToastUtil;
import com.hyphenate.EMMessageListener;
import com.hyphenate.chat.EMClient;
import com.hyphenate.chat.EMMessage;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

public class ChatActivity extends AppCompatActivity implements View.OnClickListener {

    private TextView user_name;
    private RecyclerView recyclerview;
    private EditText et_msg;
    private Button send_msg;
    private String name;
    private ArrayList<EMMessage> recyclerviewList;
    private MyChatAdapter myChatAdapter;
    private Button record_voice;
    private Button send_voice;
    private String mPath;
    private long mDuration;
    private MediaPlayer mediaPlayer;
    private String mName;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_chat);
        name = getIntent().getStringExtra(Constants.NAME);
        mName = getIntent().getStringExtra(Constants.MName);
        initView();
        receiveMsg();
    }

    private void initView() {
        user_name = (TextView) findViewById(R.id.user_name);
        recyclerview = (RecyclerView) findViewById(R.id.recyclerview);
        et_msg = (EditText) findViewById(R.id.et_msg);
        send_msg = (Button) findViewById(R.id.send_msg);
        record_voice = (Button) findViewById(R.id.record_voice);
        send_voice = (Button) findViewById(R.id.send_voice);

        send_msg.setOnClickListener(this);
        record_voice.setOnClickListener(this);
        send_voice.setOnClickListener(this);

        user_name.setText("正在和:" + name + " 聊天");

        LinearLayoutManager layoutManager = new LinearLayoutManager(ChatActivity.this);
        recyclerview.setLayoutManager(layoutManager);

        recyclerview.addItemDecoration(new DividerItemDecoration(ChatActivity.this,DividerItemDecoration.VERTICAL));

        recyclerviewList = new ArrayList<>();
        myChatAdapter = new MyChatAdapter(recyclerviewList, ChatActivity.this,mName);
        recyclerview.setAdapter(myChatAdapter);

        myChatAdapter.setOnItemClickListener(new MyChatAdapter.OnItemClickListener() {
            @Override
            public void onItemClick(String path) {
                if (!TextUtils.isEmpty(path)){
                    playVoice(path);
                }
            }
        });
    }

    // 播放语音
    private void playVoice(String path) {
        if (mediaPlayer!=null){
            mediaPlayer.reset();
        }else {
            mediaPlayer = new MediaPlayer();
        }

        try {

            //mediaPlayer.prepareAsync();
            if (mediaPlayer.isPlaying()){
                mediaPlayer.pause();
            }else {
                mediaPlayer.setDataSource(path);

                mediaPlayer.prepare();
                mediaPlayer.start();
            }

        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    @Override
    public void onClick(View v) {
        switch (v.getId()) {
            case R.id.send_msg:
                submit();
                break;
            case R.id.record_voice:
                //当前是否是在录音
                if (AudioUtil.isRecording){
                    AudioUtil.stopRecord();
                    record_voice.setText("开始录音");
                }else {
                    startVoice();
                    record_voice.setText("停止录音");
                }
                break;
            case R.id.send_voice:
                sendVoice();
                break;
        }
    }

    private void startVoice() {
        AudioUtil.startRecord(new AudioUtil.ResultCallBack() {
            @Override
            public void onSuccess(String path, long time) {
                mPath = path;
                mDuration = time;
            }

            @Override
            public void onFail(String msg) {
                showToast("录音失败");
            }
        });
    }

    private void sendVoice() {
        if (mPath.isEmpty()){
            showToast("没有");
        }
        new Thread(new Runnable() {
            @Override
            public void run() {
                //filePath为语音文件路径，length为录音时间(秒)
                EMMessage message = EMMessage.createVoiceSendMessage(mPath, (int) mDuration, name);
                //如果是群聊，设置chattype，默认是单聊
//                if (chatType == CHATTYPE_GROUP)
//                    message.setChatType(ChatType.GroupChat);
                EMClient.getInstance().chatManager().sendMessage(message);

                addAdapterList(message);
            }
        }).start();

    }

    private void submit() {
        // validate
        final String msg = et_msg.getText().toString().trim();
        if (TextUtils.isEmpty(msg)) {
            showToast("内容不能为空");
            return;
        }

        // TODO validate success, do something
        new Thread(new Runnable() {
            @Override
            public void run() {
                //创建一条文本消息，content为消息文字内容，toChatUsername为对方用户或者群聊的id，后文皆是如此
                EMMessage message = EMMessage.createTxtSendMessage(msg, name);
                //如果是群聊，设置chattype，默认是单聊
//                if (chatType == CHATTYPE_GROUP)
//                    message.setChatType(ChatType.GroupChat);
                //发送消息
                EMClient.getInstance().chatManager().sendMessage(message);

                addAdapterList(message);
            }
        }).start();

        // 让编辑框清空
        et_msg.setText("");

    }

    // 把聊天内容发送到Recyclerview上显示
    private void addAdapterList(EMMessage message) {
        recyclerviewList.add(message);
        runOnUiThread(new Runnable() {
            @Override
            public void run() {
                myChatAdapter.notifyDataSetChanged();
                // Recyclerview 一直显示最后一条信息
                recyclerview.scrollToPosition(recyclerviewList.size() - 1);
            }
        });
    }

    private void showToast(final String msg) {
        runOnUiThread(new Runnable() {
            @Override
            public void run() {
                ToastUtil.showShort(msg);
            }
        });
    }


    private void receiveMsg() {
        //记得在不需要的时候移除listener，如在activity的onDestroy()时
        EMClient.getInstance().chatManager().addMessageListener(msgListener);
    }

    // 通过注册消息监听来接收消息
    EMMessageListener msgListener = new EMMessageListener() {

        @Override
        public void onMessageReceived(List<EMMessage> messages) {
            //收到消息
            if (messages != null && messages.size() > 0) {
                final ArrayList<EMMessage> list = new ArrayList<>();
                for (EMMessage msg : messages) {
                    String from = msg.getFrom();

                    if (from.equals(name)) {
                        list.add(msg);
                    }
                }

                runOnUiThread(new Runnable() {
                    @Override
                    public void run() {
                        recyclerviewList.addAll(list);
                        myChatAdapter.notifyDataSetChanged();
                        recyclerview.scrollToPosition(recyclerviewList.size() - 1);
                    }
                });
            }
        }

        @Override
        public void onCmdMessageReceived(List<EMMessage> messages) {
            //收到透传消息
        }

        @Override
        public void onMessageRead(List<EMMessage> messages) {
            //收到已读回执
        }

        @Override
        public void onMessageDelivered(List<EMMessage> message) {
            //收到已送达回执
        }

        @Override
        public void onMessageRecalled(List<EMMessage> messages) {
            //消息被撤回
        }

        @Override
        public void onMessageChanged(EMMessage message, Object change) {
            //消息状态变动
        }
    };

    @Override
    protected void onDestroy() {
        super.onDestroy();
        EMClient.getInstance().chatManager().removeMessageListener(msgListener);
    }
}

adapter

import android.content.Context;
import android.support.annotation.NonNull;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.LinearLayout;
import android.widget.TextView;

import com.example.huanxin.R;
import com.hyphenate.chat.EMMessage;
import com.hyphenate.chat.EMMessageBody;

import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;

public class MyChatAdapter extends RecyclerView.Adapter<MyChatAdapter.ViewHolder> {
    private ArrayList<EMMessage> recyclerviewList;
    Context context;
    private String mName;

    public MyChatAdapter(ArrayList<EMMessage> recyclerviewList, Context context, String mName) {
        this.recyclerviewList = recyclerviewList;
        this.context = context;
        this.mName = mName;
    }

    @NonNull
    @Override
    public ViewHolder onCreateViewHolder(@NonNull ViewGroup viewGroup, int i) {
        View view = LayoutInflater.from(context).inflate(R.layout.chat_item, null);
        ViewHolder viewHolder = new ViewHolder(view);
        return viewHolder;
    }

    @Override
    public void onBindViewHolder(@NonNull ViewHolder viewHolder, int i) {
        EMMessage emMessage = recyclerviewList.get(i);
        String from = emMessage.getFrom();
        EMMessageBody body = emMessage.getBody();
        long msgTime = emMessage.getMsgTime();

        String formatTime = formatTime(msgTime);

        viewHolder.time.setText(formatTime);
        viewHolder.user_name.setText("来自:" + from + " 的消息" );
        viewHolder.muser_name.setText("来自:" + from + " 的消息");
        if (from.equals(mName)) {
            viewHolder.right_Layout.setVisibility(View.VISIBLE);
            viewHolder.left_layout.setVisibility(View.GONE);
            viewHolder.mcontent.setText(body.toString());
        } else {
            viewHolder.right_Layout.setVisibility(View.GONE);
            viewHolder.left_layout.setVisibility(View.VISIBLE);
            viewHolder.content.setText(body.toString());
        }

        viewHolder.content.setText(body.toString());

        String path = "";
        String[] split = body.toString().split(",");
        for (int j = 0; j < split.length; j++) {
            String s = split[j];
            if (s.startsWith("localurl")){
                String[] split1 = s.split(":");
                String s1 = split1[1];
                path = s1;
            }
        }

        final String finalPath = path;
        viewHolder.itemView.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if (onItemClickListener != null) {
                    onItemClickListener.onItemClick(finalPath);
                }
            }
        });
    }

    private String formatTime(long msgTime) {
        Date date = new Date(msgTime);
        SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd-HH:mm");
        return simpleDateFormat.format(date);
    }

    @Override
    public int getItemCount() {
        return recyclerviewList.size();
    }

    public class ViewHolder extends RecyclerView.ViewHolder {


        private TextView user_name;
        private TextView content;
        private LinearLayout left_layout;
        private TextView muser_name;
        private TextView mcontent;
        private LinearLayout right_Layout;
        private TextView time;

        public ViewHolder(@NonNull View itemView) {
            super(itemView);
            user_name = itemView.findViewById(R.id.user_name);
            content = itemView.findViewById(R.id.content);
            left_layout = itemView.findViewById(R.id.left_layout);
            muser_name = itemView.findViewById(R.id.muser_name);
            mcontent = itemView.findViewById(R.id.mcontent);
            right_Layout = itemView.findViewById(R.id.right_Layout);
            time = itemView.findViewById(R.id.time);
        }
    }

    OnItemClickListener onItemClickListener;

    public void setOnItemClickListener(OnItemClickListener onItemClickListener) {
        this.onItemClickListener = onItemClickListener;
    }

    public interface OnItemClickListener {
        void onItemClick(String path);
    }
}

chat_item.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">

    <TextView
        android:id="@+id/time"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:gravity="center_horizontal"
        android:text="123"/>

    <LinearLayout
        android:id="@+id/left_layout"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="vertical"
        android:layout_alignParentLeft="true"
        android:layout_below="@id/time">

        <TextView
            android:id="@+id/user_name"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="user_name"/>

        <TextView
            android:id="@+id/content"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="content"/>

    </LinearLayout>

    <LinearLayout
        android:id="@+id/right_Layout"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="vertical"
        android:layout_alignParentRight="true"
        android:gravity="right"
        android:layout_below="@id/left_layout">

        <TextView
            android:id="@+id/muser_name"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="user_name"
            android:gravity="right"/>

        <TextView
            android:id="@+id/mcontent"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="content"/>

    </LinearLayout>

</RelativeLayout>

15、GroupChatActivity（群聊界面）

xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".GroupChatActivity"
    android:orientation="vertical">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal">

        <EditText
            android:id="@+id/create_gruopname"
            android:layout_weight="1"
            android:layout_width="0dp"
            android:layout_height="wrap_content" />

        <Button
            android:id="@+id/create_group"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="创建群聊"/>

    </LinearLayout>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal">

        <EditText
            android:id="@+id/join_gruopname"
            android:layout_weight="1"
            android:layout_width="0dp"
            android:layout_height="wrap_content" />

        <Button
            android:id="@+id/join_group"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="加入群聊"/>

    </LinearLayout>

    <android.support.v7.widget.RecyclerView
        android:id="@+id/recyclerview"
        android:layout_weight="1"
        android:layout_width="match_parent"
        android:layout_height="0dp">

    </android.support.v7.widget.RecyclerView>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal">

        <EditText
            android:id="@+id/et_msg"
            android:layout_weight="1"
            android:layout_width="0dp"
            android:layout_height="wrap_content" />

        <Button
            android:id="@+id/send_msg"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="发送"/>

    </LinearLayout>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal">

        <Button
            android:id="@+id/record_voice"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="开始录音"/>

        <Button
            android:id="@+id/send_voice"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="发送语音"/>

    </LinearLayout>

</LinearLayout>

import android.media.MediaPlayer;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.DividerItemDecoration;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.text.TextUtils;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

import com.example.huanxin.adapter.MyChatAdapter;
import com.example.huanxin.utils.AudioUtil;
import com.example.huanxin.utils.ToastUtil;
import com.hyphenate.EMMessageListener;
import com.hyphenate.chat.EMClient;
import com.hyphenate.chat.EMGroup;
import com.hyphenate.chat.EMGroupManager;
import com.hyphenate.chat.EMGroupOptions;
import com.hyphenate.chat.EMMessage;
import com.hyphenate.exceptions.HyphenateException;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

public class GroupChatActivity extends AppCompatActivity implements View.OnClickListener {

    private static final String TAG = "GroupChatActivity";

    private EditText create_gruopname;
    private Button create_group;
    private EditText join_gruopname;
    private Button join_group;
    private RecyclerView recyclerview;
    private EditText et_msg;
    private Button send_msg;
    private Button record_voice;
    private Button send_voice;
    private ArrayList<EMMessage> recyclerviewList;
    private MyChatAdapter myChatAdapter;

    //群组的id
    private String gruopname;
    private String mPath;
    private long mDuration;
    private MediaPlayer mediaPlayer;
    private String mName;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_group_chat);
        mName = getIntent().getStringExtra(Constants.MName);
        initView();
        receiveMsg();
    }

    private void initView() {
        create_gruopname = (EditText) findViewById(R.id.create_gruopname);
        create_group = (Button) findViewById(R.id.create_group);
        join_gruopname = (EditText) findViewById(R.id.join_gruopname);
        join_group = (Button) findViewById(R.id.join_group);
        recyclerview = (RecyclerView) findViewById(R.id.recyclerview);
        et_msg = (EditText) findViewById(R.id.et_msg);
        send_msg = (Button) findViewById(R.id.send_msg);
        record_voice = (Button) findViewById(R.id.record_voice);
        send_voice = (Button) findViewById(R.id.send_voice);

        create_group.setOnClickListener(this);
        join_group.setOnClickListener(this);
        send_msg.setOnClickListener(this);
        record_voice.setOnClickListener(this);
        send_voice.setOnClickListener(this);

        LinearLayoutManager layoutManager = new LinearLayoutManager(GroupChatActivity.this);
        recyclerview.setLayoutManager(layoutManager);

        recyclerview.addItemDecoration(new DividerItemDecoration(GroupChatActivity.this,DividerItemDecoration.VERTICAL));

        recyclerviewList = new ArrayList<>();
        myChatAdapter = new MyChatAdapter(recyclerviewList, GroupChatActivity.this,mName);
        recyclerview.setAdapter(myChatAdapter);

        myChatAdapter.setOnItemClickListener(new MyChatAdapter.OnItemClickListener() {
            @Override
            public void onItemClick(String path) {
                if (!TextUtils.isEmpty(path)){
                    playVoice(path);
                }
            }
        });
    }

    // 播放语音
    private void playVoice(String path) {
        if (mediaPlayer!=null){
            mediaPlayer.reset();
        }else {
            mediaPlayer = new MediaPlayer();
        }

        try {

            //mediaPlayer.prepareAsync();
            if (mediaPlayer.isPlaying()){
                mediaPlayer.pause();
            }else {
                mediaPlayer.setDataSource(path);

                mediaPlayer.prepare();
                mediaPlayer.start();
            }

        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    @Override
    public void onClick(View v) {
        switch (v.getId()) {
            case R.id.create_group:
                createGroup();
                break;
            case R.id.join_group:
                joinGroup();
                break;
            case R.id.send_msg:
                submit();
                break;
            case R.id.record_voice:
                //当前是否是在录音
                if (AudioUtil.isRecording){
                    AudioUtil.stopRecord();
                    record_voice.setText("开始录音");
                }else {
                    startVoice();
                    record_voice.setText("停止录音");
                }
                break;
            case R.id.send_voice:
                sendVoice();
                break;
        }
    }

    private void createGroup() {
        final String gruopname = create_gruopname.getText().toString().trim();
        if (TextUtils.isEmpty(gruopname)) {
            showToast("群聊的id不能为空");
            return;
        }
        new Thread(new Runnable() {
            @Override
            public void run() {
                /**
                 * 创建群组
                 * @param groupName 群组名称
                 * @param desc 群组简介
                 * @param allMembers 群组初始成员，如果只有自己传空数组即可
                 * @param reason 邀请成员加入的reason
                 * @param option 群组类型选项，可以设置群组最大用户数(默认200)及群组类型@see {@link EMGroupStyle}
                 *               option.inviteNeedConfirm表示邀请对方进群是否需要对方同意，默认是需要用户同意才能加群的。
                 *               option.extField创建群时可以为群组设定扩展字段，方便个性化订制。
                 * @return 创建好的group
                 * @throws HyphenateException
                 */
                EMGroupOptions option = new EMGroupOptions();
                option.maxUsers = 200;
                option.style = EMGroupManager.EMGroupStyle.EMGroupStylePublicOpenJoin;

                try {
                    EMGroup group = EMClient.getInstance().groupManager().createGroup(gruopname, "聊天", new String[]{}, "", option);
                    String groupId = group.getGroupId();
                    Log.e(TAG, "groupId: " + groupId);
                } catch (HyphenateException e) {
                    e.printStackTrace();
                }
            }
        }).start();
    }

    private void joinGroup() {
        gruopname = join_gruopname.getText().toString().trim();
        if (TextUtils.isEmpty(gruopname)) {
            showToast("群聊的id不能为空");
            return;
        }
        new Thread(new Runnable() {
            @Override
            public void run() {

                try {
                    //如果群开群是自由加入的，即group.isMembersOnly()为false，直接join
                    EMClient.getInstance().groupManager().joinGroup(gruopname);//需异步处理
                    //需要申请和验证才能加入的，即group.isMembersOnly()为true，调用下面方法
//                    EMClient.getInstance().groupManager().applyJoinToGroup(gruopname, "求加入");//需异步处理
                } catch (HyphenateException e) {
                    e.printStackTrace();
                }
            }
        }).start();
    }

    private void submit() {
        final String msg = et_msg.getText().toString().trim();
        if (TextUtils.isEmpty(msg)) {
            showToast("内容不能为空");
            return;
        }

        // TODO validate success, do something
        new Thread(new Runnable() {
            @Override
            public void run() {
                //创建一条文本消息，content为消息文字内容，toChatUsername为对方用户或者群聊的id，后文皆是如此
                EMMessage message = EMMessage.createTxtSendMessage(msg, gruopname);
                //如果是群聊，设置chattype，默认是单聊
                message.setChatType(EMMessage.ChatType.GroupChat);
                //发送消息
                EMClient.getInstance().chatManager().sendMessage(message);

                addAdapterList(message);
            }
        }).start();

        // 让编辑框清空
        et_msg.setText("");

    }

    // 把聊天内容发送到Recyclerview上显示
    private void addAdapterList(EMMessage message) {
        recyclerviewList.add(message);
        runOnUiThread(new Runnable() {
            @Override
            public void run() {
                myChatAdapter.notifyDataSetChanged();
                // Recyclerview 一直显示最后一条信息
                recyclerview.scrollToPosition(recyclerviewList.size() - 1);
            }
        });
    }

    private void startVoice() {
        AudioUtil.startRecord(new AudioUtil.ResultCallBack() {
            @Override
            public void onSuccess(String path, long time) {
                mPath = path;
                mDuration = time;
            }

            @Override
            public void onFail(String msg) {
                showToast("录音失败");
            }
        });
    }

    private void sendVoice() {
        if (mPath.isEmpty()){
            showToast("没有");
        }
        new Thread(new Runnable() {
            @Override
            public void run() {
                //filePath为语音文件路径，length为录音时间(秒)
                EMMessage message = EMMessage.createVoiceSendMessage(mPath, (int) mDuration, gruopname);
                //如果是群聊，设置chattype，默认是单聊
                message.setChatType(EMMessage.ChatType.GroupChat);
                EMClient.getInstance().chatManager().sendMessage(message);

                addAdapterList(message);
            }
        }).start();

    }

    private void showToast(final String msg) {
        runOnUiThread(new Runnable() {
            @Override
            public void run() {
                ToastUtil.showShort(msg);
            }
        });
    }

    private void receiveMsg() {
        //记得在不需要的时候移除listener，如在activity的onDestroy()时
        EMClient.getInstance().chatManager().addMessageListener(msgListener);
    }

    // 通过注册消息监听来接收消息
    EMMessageListener msgListener = new EMMessageListener() {

        @Override
        public void onMessageReceived(List<EMMessage> messages) {
            //收到消息
            if (messages != null && messages.size() > 0) {
                final ArrayList<EMMessage> list = new ArrayList<>();
                for (EMMessage msg : messages) {
                    String to = msg.getTo();
                    Log.e(TAG, "onMessageReceived: " + to);
                    if (gruopname.equals(to)) {
                        list.add(msg);
                    }
                }

                runOnUiThread(new Runnable() {
                    @Override
                    public void run() {
                        recyclerviewList.addAll(list);
                        myChatAdapter.notifyDataSetChanged();
                        recyclerview.scrollToPosition(recyclerviewList.size() - 1);
                    }
                });
            }
        }

        @Override
        public void onCmdMessageReceived(List<EMMessage> messages) {
            //收到透传消息
        }

        @Override
        public void onMessageRead(List<EMMessage> messages) {
            //收到已读回执
        }

        @Override
        public void onMessageDelivered(List<EMMessage> message) {
            //收到已送达回执
        }

        @Override
        public void onMessageRecalled(List<EMMessage> messages) {
            //消息被撤回
        }

        @Override
        public void onMessageChanged(EMMessage message, Object change) {
            //消息状态变动
        }
    };

    @Override
    protected void onDestroy() {
        super.onDestroy();
        EMClient.getInstance().chatManager().removeMessageListener(msgListener);
    }
}

adapter用的还是聊天界面的adapter

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