Android版 Sokect服务端和客户端

服务端：

主页xml:

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="match_parent"    android:layout_height="match_parent">    <TextView        android:id="@+id/textsss"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:layout_alignParentTop="true"        android:layout_centerHorizontal="true"        android:layout_margin="10dp"        android:text="     连接情况"        android:textSize="18sp" />    <TextView        android:id="@+id/textView1"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:layout_alignParentBottom="true"        android:layout_marginBottom="35dp"        android:gravity="center"        android:text="IP地址"        android:textSize="18sp" /></RelativeLayout>

主页代码：

import android.app.Activity;import android.content.Context;import android.net.wifi.WifiInfo;import android.net.wifi.WifiManager;import android.os.Handler;import android.os.Message;import android.support.v7.app.ActionBarActivity;import android.os.Bundle;import android.view.Menu;import android.view.MenuItem;import android.view.Window;import android.widget.TextView;import org.json.JSONArray;import org.json.JSONException;import org.json.JSONObject;import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.io.OutputStream;import java.net.InetAddress;import java.net.NetworkInterface;import java.net.ServerSocket;import java.net.Socket;import java.net.SocketException;import java.util.Enumeration;public class MainActivity extends Activity {    public static ServerSocket serverSocket = null;    public static TextView mTextView, textView1;    private String IP = "";    String buffer = "";    public static Handler mHandler = new Handler() {        @Override        public void handleMessage(Message msg) {            if (msg.what == 0x11) {                Bundle bundle = msg.getData();                mTextView.append("客户端：" + bundle.getString("msg") + "\n");            }        }    };    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_test);        mTextView = (TextView) findViewById(R.id.textsss);        textView1 = (TextView) findViewById(R.id.textView1);        mTextView.append("\n");        IP = getIp();        textView1.setText("IP addresss:" + IP);        new Thread() {            public void run() {                Bundle bundle = new Bundle();                bundle.clear();                OutputStream output;                String str = "通信成功";                try {                    serverSocket = new ServerSocket(30000);                    while (true) {                        Message msg = new Message();                        msg.what = 0x11;                        try {                            Socket socket = serverSocket.accept();                            output = socket.getOutputStream();//                          ps:注意数据流类型，避免乱码//                          output.write(str.getBytes("UTF-8"));//客户端的数据流为UTF-8//                          output.write(str.getBytes("gbk"));//客户端的数据流为gbk                            output.write(str.getBytes());//服务端和客户端 数据流类型一致时                            output.flush();                            socket.shutdownOutput();                            BufferedReader bff = new BufferedReader(new InputStreamReader(socket.getInputStream()));                            String line = null;                            buffer = "";                            while ((line = bff.readLine()) != null) {                                if (!parseJsonMulti(line).equals(""))                                    line = parseJsonMulti(line);                                buffer = line + buffer;                            }                            bundle.putString("msg", buffer.toString());                            msg.setData(bundle);                            mHandler.sendMessage(msg);                            bff.close();                            output.close();                            socket.close();                        } catch (IOException e) {                            e.printStackTrace();                        }                    }                } catch (IOException e1) {                    // TODO Auto-generated catch block                    e1.printStackTrace();                }            }        }.start();    }    private String parseJsonMulti(final String strResult) {        String result = "";        try {            //解析JSON字符串            //1.若字符串为JSON数组，则转为JSON数组，若不是，则转为JSON对象            //2.根据JSON里数据的名称和类型，来获取想对应的值            //JSON里数据，可能为单个JSON对象，JSON数组，或两者嵌套的            //遇到嵌套时，只需对应JSON转换，再进行获取            //获取字符串并转为JSONObject            JSONObject json_data = new JSONObject(strResult);            // 获取此次的数据类型。            String Type = json_data.getString("Type");            if (Type.equals("单个数据")) {               /*{\"Type\":\"单个数据\"}*/                result = Type;            } else if (Type.equals("多个数据")) {                /*{\"Type\":\"多个数据\",\"NUM\":\"号码\"}*/                String NUM = json_data.getString("NUM");                result = Type + "  " + NUM;            } else if (Type.equals("嵌套JSON数组")) {               /*{\"Type\":\"嵌套JSON数组\",\"Array\":[{\"one\":3},{\"two\":8}]}*/                //获取JSON数组                JSONArray Array = json_data.getJSONArray("Array");                //获取JSON数组的JSON对象//                JSONObject OneObject = (JSONObject) Array.opt(0);//                JSONObject OneObject = Array.optJSONObject(0);                //若有很多JSON对象 ，只需把0改为对象所属下标                JSONObject OneObject = Array.getJSONObject(0);                JSONObject TwoObject = Array.getJSONObject(1);                int one = OneObject.getInt("one");                int two = TwoObject.getInt("two");                result = one + "  参数  " + two;            }        } catch (final JSONException e) {            e.printStackTrace();        } catch (final Exception e) {            e.printStackTrace();        }        return result;    }    /**     * 当Server为本机时，获取本机IP（Wifi或非Wifi均适用）     */    public String getIp() {        WifiManager wifiManager = (WifiManager) getSystemService(Context.WIFI_SERVICE);        //判断wifi是否开启        if (!wifiManager.isWifiEnabled()) {            return getLocalIpAddress();        } else            return intToIp(wifi_ip(wifiManager));    }    //Wifi    private int wifi_ip(WifiManager wifiManager) {        WifiInfo wifiInfo = wifiManager.getConnectionInfo();        int ipAddress = wifiInfo.getIpAddress();        return ipAddress;    }    //非Wifi    public String getLocalIpAddress() {        try {            for (Enumeration<NetworkInterface> en = NetworkInterface                    .getNetworkInterfaces();                 en.hasMoreElements(); ) {                NetworkInterface intf = en.nextElement();                for (Enumeration<InetAddress> enumIpAddr = intf                        .getInetAddresses();                     enumIpAddr.hasMoreElements(); ) {                    InetAddress inetAddress = enumIpAddr.nextElement();                    if (!inetAddress.isLoopbackAddress()) {                        return inetAddress.getHostAddress().toString();                    }                }            }        } catch (SocketException ex) {            return "";        }        return "";    }    /**     * 转化获取的（16进制）IP地址     */    private String intToIp(int i) {        return (i & 0xFF) + "." +                ((i >> 8) & 0xFF) + "." +                ((i >> 16) & 0xFF) + "." +                (i >> 24 & 0xFF);    }}

客户端：

主页xml：

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:orientation="vertical">    <EditText        android:id="@+id/ed_msg"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:hint="给服务器发送信息" />    <Button        android:id="@+id/send"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:text="发送" />    <TextView        android:id="@+id/msg"        android:layout_width="match_parent"        android:layout_height="wrap_content"/>    <Button        android:id="@+id/single"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:text="单个数据" />    <Button        android:id="@+id/multiple"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:text="多个数据  " />    <Button        android:id="@+id/nested"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:text="嵌套JSON数组" /></LinearLayout>

主页代码：

import android.app.Activity;import android.content.Context;import android.net.wifi.WifiInfo;import android.net.wifi.WifiManager;import android.os.Bundle;import android.os.Handler;import android.os.Message;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import android.widget.EditText;import android.widget.TextView;import android.widget.Toast;import org.json.JSONArray;import org.json.JSONException;import org.json.JSONObject;import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.io.OutputStream;import java.net.InetAddress;import java.net.InetSocketAddress;import java.net.NetworkInterface;import java.net.Socket;import java.net.SocketException;import java.net.SocketTimeoutException;import java.util.Enumeration;public class MainActivity extends Activity implements OnClickListener {    Socket socket = null;    String buffer = "";    TextView Msg;    Button send, single, multiple, nested;    EditText ed_msg;    /**     * 发送或接受的字符串     */    String io_msg;    public Handler myHandler = new Handler() {        @Override        public void handleMessage(Message msg) {            if (msg.what == 0x11) {                Bundle bundle = msg.getData();                Msg.append("server:" + bundle.getString("msg") + "\n");            }        }    };    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        Msg = (TextView) findViewById(R.id.msg);        send = (Button) findViewById(R.id.send);        single = (Button) findViewById(R.id.single);        multiple = (Button) findViewById(R.id.multiple);        nested = (Button) findViewById(R.id.nested);        ed_msg = (EditText) findViewById(R.id.ed_msg);        new SendThread("建立连接", getIp()).start();        send.setOnClickListener(new OnClickListener() {            @Override            public void onClick(View v) {                String ip = getIp();                if (!ip.equals("")) {                    io_msg = ed_msg.getText().toString();                    Msg.append("client:" + io_msg + "\n");                    // 向服务器发送和接收信息                    new SendThread(io_msg, ip).start();                } else {                    Toast.makeText(MainActivity.this, "ip地址获取出错！", Toast.LENGTH_SHORT).show();                }            }        });        single.setOnClickListener(this);        multiple.setOnClickListener(this);        nested.setOnClickListener(this);    }    private void Sendmsg(String json) {        String ip = getIp();        if (!ip.equals("")) {            Msg.append("client:" + json + "\n");            // 向服务器发送和接收信息            new SendThread(json, ip).start();        } else {            Toast.makeText(MainActivity.this, "ip地址获取出错！", Toast.LENGTH_SHORT).show();        }    }    @Override    public void onClick(View v) {        switch (v.getId()) {            case R.id.single:                try {                    JSONObject jsonObject = new JSONObject();                    jsonObject.put("Type", "单个数据");                    Sendmsg(jsonObject.toString());                } catch (JSONException e) {                    Toast.makeText(this, "发送失败!JSON异常", Toast.LENGTH_SHORT).show();                }                break;            case R.id.multiple:                try {                    JSONObject jsonObject = new JSONObject();                    jsonObject.put("Type", "多个数据");                    jsonObject.put("NUM", "号码");                    Sendmsg(jsonObject.toString());                } catch (JSONException e) {                    Toast.makeText(this, "发送失败!JSON异常", Toast.LENGTH_SHORT).show();                }                break;            case R.id.nested:                try {                    JSONObject OneObject = new JSONObject();                    OneObject.put("one", "3");                    JSONObject TwoObject = new JSONObject();                    TwoObject.put("two", "8");                    JSONArray jsonArray = new JSONArray();                    jsonArray.put(OneObject);                    jsonArray.put(TwoObject);                    JSONObject jsonObject = new JSONObject();                    jsonObject.put("Type", "嵌套JSON数组");                    jsonObject.put("Array", jsonArray);                    Sendmsg(jsonObject.toString());                } catch (JSONException e) {                    Toast.makeText(this, "发送失败!JSON异常", Toast.LENGTH_SHORT).show();                }                break;        }    }    class SendThread extends Thread {        public String Ip;        public String str;        public SendThread(String _str, String _Ip) {            str = _str;            Ip = _Ip;        }        @Override        public void run() {            // 定义消息            Message msg = new Message();            msg.what = 0x11;            Bundle bundle = new Bundle();            bundle.clear();            try {                // 连接服务器 并设置连接超时为5秒                socket = new Socket();                socket.connect(new InetSocketAddress(Ip, 30000), 5000);                // 获取输入输出流                OutputStream ou = socket.getOutputStream();                BufferedReader bff = new BufferedReader(new InputStreamReader(socket.getInputStream()));                // 读取发来服务器信息                String line = null;                buffer = "";                while ((line = bff.readLine()) != null) {                    buffer = line + buffer;                }                // 向服务器发送信息                // ps:注意数据流类型，避免乱码                //ou.write(str.getBytes("UTF-8"));//服务端的数据流为UTF-8                //ou.write(str.getBytes("gbk"));//服务端的数据流为gbk//                ou.write(str.getBytes());//服务端和客户端 数据流类型一致时                ou.write(str.getBytes());                ou.flush();                bundle.putString("msg", buffer.toString());                msg.setData(bundle);                // 发送消息 修改UI线程中的组件                myHandler.sendMessage(msg);                // 关闭各种输入输出流                bff.close();                ou.close();                socket.close();            } catch (SocketTimeoutException aa) {                // 连接超时 在UI界面显示消息                bundle.putString("msg", "服务器连接失败！请检查网络是否打开");                msg.setData(bundle);                // 发送消息 修改UI线程中的组件                myHandler.sendMessage(msg);            } catch (IOException e) {                e.printStackTrace();            }        }    }    /**     * 当Server为本机时，获取本机IP（Wifi或非Wifi均适用）     */    public String getIp() {        WifiManager wifiManager = (WifiManager) getSystemService(Context.WIFI_SERVICE);        //判断wifi是否开启        if (!wifiManager.isWifiEnabled()) {            return getLocalIpAddress();        } else            return intToIp(wifi_ip(wifiManager));    }    //Wifi    private int wifi_ip(WifiManager wifiManager) {        WifiInfo wifiInfo = wifiManager.getConnectionInfo();        int ipAddress = wifiInfo.getIpAddress();        return ipAddress;    }    //非Wifi    public String getLocalIpAddress() {        try {            for (Enumeration<NetworkInterface> en = NetworkInterface                    .getNetworkInterfaces();                 en.hasMoreElements(); ) {                NetworkInterface intf = en.nextElement();                for (Enumeration<InetAddress> enumIpAddr = intf                        .getInetAddresses();                     enumIpAddr.hasMoreElements(); ) {                    InetAddress inetAddress = enumIpAddr.nextElement();                    if (!inetAddress.isLoopbackAddress()) {                        return inetAddress.getHostAddress().toString();                    }                }            }        } catch (SocketException ex) {            return "";        }        return "";    }    /**     * 转化获取的（16进制）IP地址     */    private String intToIp(int i) {        return (i & 0xFF) + "." +                ((i >> 8) & 0xFF) + "." +                ((i >> 16) & 0xFF) + "." +                (i >> 24 & 0xFF);    }}

服务端及客户端的代码和xml，已全部贴出！已上传Demo，需要的请下载！参考博客：http://blog.csdn.net/u014388322/article/details/43016653