First commit

QChat/.gitignore

+*.iml
+.gradle
+/local.properties
+/.idea/workspace.xml
+/.idea/libraries
+.DS_Store
+/build
+/captures
+.externalNativeBuild

QChat/.idea/compiler.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CompilerConfiguration">
+    <resourceExtensions />
+    <wildcardResourcePatterns>
+      <entry name="!?*.java" />
+      <entry name="!?*.form" />
+      <entry name="!?*.class" />
+      <entry name="!?*.groovy" />
+      <entry name="!?*.scala" />
+      <entry name="!?*.flex" />
+      <entry name="!?*.kt" />
+      <entry name="!?*.clj" />
+      <entry name="!?*.aj" />
+    </wildcardResourcePatterns>
+    <annotationProcessing>
+      <profile default="true" name="Default" enabled="false">
+        <processorPath useClasspath="true" />
+      </profile>
+    </annotationProcessing>
+  </component>
+</project>
\ No newline at end of file

QChat/.idea/copyright/profiles_settings.xml

+<component name="CopyrightManager">
+  <settings default="" />
+</component>
\ No newline at end of file

QChat/.idea/encodings.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Encoding">
+    <file url="PROJECT" charset="UTF-8" />
+  </component>
+</project>
\ No newline at end of file

QChat/.idea/gradle.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="GradleSettings">
+    <option name="linkedExternalProjectsSettings">
+      <GradleProjectSettings>
+        <option name="distributionType" value="LOCAL" />
+        <option name="externalProjectPath" value="$PROJECT_DIR$" />
+        <option name="gradleHome" value="$APPLICATION_HOME_DIR$/gradle/gradle-2.14.1" />
+        <option name="modules">
+          <set>
+            <option value="$PROJECT_DIR$" />
+            <option value="$PROJECT_DIR$/app" />
+          </set>
+        </option>
+        <option name="resolveModulePerSourceSet" value="false" />
+      </GradleProjectSettings>
+    </option>
+  </component>
+</project>
\ No newline at end of file

QChat/.idea/misc.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="EntryPointsManager">
+    <entry_points version="2.0" />
+  </component>
+  <component name="NullableNotNullManager">
+    <option name="myDefaultNullable" value="android.support.annotation.Nullable" />
+    <option name="myDefaultNotNull" value="android.support.annotation.NonNull" />
+    <option name="myNullables">
+      <value>
+        <list size="4">
+          <item index="0" class="java.lang.String" itemvalue="org.jetbrains.annotations.Nullable" />
+          <item index="1" class="java.lang.String" itemvalue="javax.annotation.Nullable" />
+          <item index="2" class="java.lang.String" itemvalue="edu.umd.cs.findbugs.annotations.Nullable" />
+          <item index="3" class="java.lang.String" itemvalue="android.support.annotation.Nullable" />
+        </list>
+      </value>
+    </option>
+    <option name="myNotNulls">
+      <value>
+        <list size="4">
+          <item index="0" class="java.lang.String" itemvalue="org.jetbrains.annotations.NotNull" />
+          <item index="1" class="java.lang.String" itemvalue="javax.annotation.Nonnull" />
+          <item index="2" class="java.lang.String" itemvalue="edu.umd.cs.findbugs.annotations.NonNull" />
+          <item index="3" class="java.lang.String" itemvalue="android.support.annotation.NonNull" />
+        </list>
+      </value>
+    </option>
+  </component>
+  <component name="ProjectLevelVcsManager" settingsEditedManually="false">
+    <OptionsSetting value="true" id="Add" />
+    <OptionsSetting value="true" id="Remove" />
+    <OptionsSetting value="true" id="Checkout" />
+    <OptionsSetting value="true" id="Update" />
+    <OptionsSetting value="true" id="Status" />
+    <OptionsSetting value="true" id="Edit" />
+    <ConfirmationsSetting value="0" id="Add" />
+    <ConfirmationsSetting value="0" id="Remove" />
+  </component>
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" default="true" assert-keyword="true" jdk-15="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/build/classes" />
+  </component>
+  <component name="ProjectType">
+    <option name="id" value="Android" />
+  </component>
+  <component name="masterDetails">
+    <states>
+      <state key="ProjectJDKs.UI">
+        <settings>
+          <last-edited>1.8</last-edited>
+          <splitter-proportions>
+            <option name="proportions">
+              <list>
+                <option value="0.2" />
+              </list>
+            </option>
+          </splitter-proportions>
+        </settings>
+      </state>
+      <state key="ScopeChooserConfigurable.UI">
+        <settings>
+          <splitter-proportions>
+            <option name="proportions">
+              <list>
+                <option value="0.2" />
+              </list>
+            </option>
+          </splitter-proportions>
+        </settings>
+      </state>
+    </states>
+  </component>
+</project>
\ No newline at end of file

QChat/.idea/modules.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/QChat.iml" filepath="$PROJECT_DIR$/QChat.iml" />
+      <module fileurl="file://$PROJECT_DIR$/app/app.iml" filepath="$PROJECT_DIR$/app/app.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file

QChat/.idea/runConfigurations.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="RunConfigurationProducerService">
+    <option name="ignoredProducers">
+      <set>
+        <option value="org.jetbrains.plugins.gradle.execution.test.runner.AllInPackageGradleConfigurationProducer" />
+        <option value="org.jetbrains.plugins.gradle.execution.test.runner.TestClassGradleConfigurationProducer" />
+        <option value="org.jetbrains.plugins.gradle.execution.test.runner.TestMethodGradleConfigurationProducer" />
+      </set>
+    </option>
+  </component>
+</project>
\ No newline at end of file

QChat/app/.gitignore

+/build

QChat/app/build.gradle

+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion 25
+    buildToolsVersion "25.0.2"
+    defaultConfig {
+        applicationId "com.example.kakarot.qchat"
+        minSdkVersion 9
+        targetSdkVersion 25
+        versionCode 1
+        versionName "1.0"
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+}
+
+dependencies {
+    compile fileTree(dir: 'libs', include: ['*.jar'])
+    androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
+        exclude group: 'com.android.support', module: 'support-annotations'
+    })
+    compile 'com.android.support:appcompat-v7:25.1.0'
+    testCompile 'junit:junit:4.12'
+}

QChat/app/proguard-rules.pro

+# Add project specific ProGuard rules here.
+# By default, the flags in this file are appended to flags specified
+# in /Users/Kakarot/Library/Android/sdk/tools/proguard/proguard-android.txt
+# You can edit the include path and order by changing the proguardFiles
+# directive in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# Add any project specific keep options here:
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}

QChat/app/src/androidTest/java/com/example/kakarot/qchat/ExampleInstrumentedTest.java

+package com.example.kakarot.qchat;
+
+import android.content.Context;
+import android.support.test.InstrumentationRegistry;
+import android.support.test.runner.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * Instrumentation test, which will execute on an Android device.
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+    @Test
+    public void useAppContext() throws Exception {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getTargetContext();
+
+        assertEquals("com.example.kakarot.qchat", appContext.getPackageName());
+    }
+}

QChat/app/src/main/AndroidManifest.xml

+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.example.kakarot.qchat">
+
+    <uses-permission android:name="android.permission.INTERNET"></uses-permission>
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:supportsRtl="true"
+        android:theme="@style/AppTheme">
+        <activity android:name=".MainActivity">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+
+        <activity android:name=".Client"></activity>
+    </application>
+
+</manifest>
\ No newline at end of file

QChat/app/src/main/java/com/example/kakarot/qchat/Client.java

+package com.example.kakarot.qchat;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.support.v7.app.AppCompatActivity;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import java.io.DataInputStream;
+import java.io.DataOutputStream;
+import java.io.IOException;
+import java.net.Socket;
+import java.net.UnknownHostException;
+
+public class Client extends AppCompatActivity {
+
+    static final int SocketServerPORT = 8080;
+
+    LinearLayout loginPanel, chatPanel;
+
+    EditText editTextUserName, editTextAddress;
+    Button buttonConnect,buttonBack;
+    TextView chatMsg, textPort;
+
+    EditText editTextSay;
+    Button buttonSend;
+    Button buttonDisconnect;
+
+    String msgLog = "";
+
+    ChatClientThread chatClientThread = null;
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.client);
+
+        loginPanel = (LinearLayout)findViewById(R.id.loginpanel);
+        chatPanel = (LinearLayout)findViewById(R.id.chatpanel);
+
+        editTextUserName = (EditText) findViewById(R.id.username);
+        editTextAddress = (EditText) findViewById(R.id.address);
+        textPort = (TextView) findViewById(R.id.port);
+        textPort.setText("port: " + SocketServerPORT);
+        buttonConnect = (Button) findViewById(R.id.connect);
+        buttonDisconnect = (Button) findViewById(R.id.disconnect);
+        buttonBack = (Button) findViewById(R.id.back);
+        chatMsg = (TextView) findViewById(R.id.chatmsg);
+
+        buttonConnect.setOnClickListener(buttonConnectOnClickListener);
+        buttonDisconnect.setOnClickListener(buttonDisconnectOnClickListener);
+
+        editTextSay = (EditText)findViewById(R.id.say);
+        buttonSend = (Button)findViewById(R.id.send);
+
+        buttonSend.setOnClickListener(buttonSendOnClickListener);
+
+        buttonBack.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent i = new Intent(Client.this , MainActivity.class);
+                startActivity(i);
+            }
+        });
+    }
+
+    OnClickListener buttonDisconnectOnClickListener = new OnClickListener() {
+
+        @Override
+        public void onClick(View v) {
+            if(chatClientThread==null){
+                return;
+            }
+            chatClientThread.disconnect();
+        }
+
+    };
+
+    OnClickListener buttonSendOnClickListener = new OnClickListener() {
+
+        @Override
+        public void onClick(View v) {
+            if (editTextSay.getText().toString().equals("")) {
+                return;
+            }
+
+            if(chatClientThread==null){
+                return;
+            }
+
+            chatClientThread.sendMsg(editTextSay.getText().toString() + "\n");
+        }
+
+    };
+
+    OnClickListener buttonConnectOnClickListener = new OnClickListener() {
+
+        @Override
+        public void onClick(View v) {
+            String textUserName = editTextUserName.getText().toString();
+            if (textUserName.equals("")) {
+                Toast.makeText(Client.this, "Enter User Name",
+                        Toast.LENGTH_LONG).show();
+                return;
+            }
+
+            String textAddress = editTextAddress.getText().toString();
+            if (textAddress.equals("")) {
+                Toast.makeText(Client.this, "Enter Addresse",
+                        Toast.LENGTH_LONG).show();
+                return;
+            }
+
+            msgLog = "";
+            chatMsg.setText(msgLog);
+            loginPanel.setVisibility(View.GONE);
+            chatPanel.setVisibility(View.VISIBLE);
+
+            chatClientThread = new ChatClientThread(
+                    textUserName, textAddress, SocketServerPORT);
+            chatClientThread.start();
+        }
+
+    };
+
+    private class ChatClientThread extends Thread {
+
+        String name;
+        String dstAddress;
+        int dstPort;
+
+        String msgToSend = "";
+        boolean goOut = false;
+
+        ChatClientThread(String name, String address, int port) {
+            this.name = name;
+            dstAddress = address;
+            dstPort = port;
+        }
+
+        @Override
+        public void run() {
+            Socket socket = null;
+            DataOutputStream dataOutputStream = null;
+            DataInputStream dataInputStream = null;
+
+            try {
+                socket = new Socket(dstAddress, dstPort);
+                dataOutputStream = new DataOutputStream(
+                        socket.getOutputStream());
+                dataInputStream = new DataInputStream(socket.getInputStream());
+                dataOutputStream.writeUTF(name);
+                dataOutputStream.flush();
+
+                while (!goOut) {
+                    if (dataInputStream.available() > 0) {
+                        msgLog += dataInputStream.readUTF();
+
+                        Client.this.runOnUiThread(new Runnable() {
+
+                            @Override
+                            public void run() {
+                                chatMsg.setText(msgLog);
+                            }
+                        });
+                    }
+
+                    if(!msgToSend.equals("")){
+                        dataOutputStream.writeUTF(msgToSend);
+                        dataOutputStream.flush();
+                        msgToSend = "";
+                    }
+                }
+
+            } catch (UnknownHostException e) {
+                e.printStackTrace();
+                final String eString = e.toString();
+                Client.this.runOnUiThread(new Runnable() {
+
+                    @Override
+                    public void run() {
+                        Toast.makeText(Client.this, eString, Toast.LENGTH_LONG).show();
+                    }
+
+                });
+            } catch (IOException e) {
+                e.printStackTrace();
+                final String eString = e.toString();
+               Client.this.runOnUiThread(new Runnable() {
+
+                    @Override
+                    public void run() {
+                        Toast.makeText(Client.this, eString, Toast.LENGTH_LONG).show();
+                    }
+
+                });
+            } finally {
+                if (socket != null) {
+                    try {
+                        socket.close();
+                    } catch (IOException e) {
+                        // TODO Auto-generated catch block
+                        e.printStackTrace();
+                    }
+                }
+
+                if (dataOutputStream != null) {
+                    try {
+                        dataOutputStream.close();
+                    } catch (IOException e) {
+                        // TODO Auto-generated catch block
+                        e.printStackTrace();
+                    }
+                }
+
+                if (dataInputStream != null) {
+                    try {
+                        dataInputStream.close();
+                    } catch (IOException e) {
+                        // TODO Auto-generated catch block
+                        e.printStackTrace();
+                    }
+                }
+
+                Client.this.runOnUiThread(new Runnable() {
+
+                    @Override
+                    public void run() {
+                        loginPanel.setVisibility(View.VISIBLE);
+                        chatPanel.setVisibility(View.GONE);
+                    }
+
+                });
+            }
+
+        }
+
+        private void sendMsg(String msg){
+            msgToSend = msg;
+        }
+
+        private void disconnect(){
+            goOut = true;
+        }
+    }
+
+
+
+
+
+}

QChat/app/src/main/java/com/example/kakarot/qchat/MainActivity.java

+package com.example.kakarot.qchat;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.support.v7.app.AppCompatActivity;
+import android.view.View;
+import android.widget.Button;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import java.io.DataInputStream;
+import java.io.DataOutputStream;
+import java.io.IOException;
+import java.net.InetAddress;
+import java.net.NetworkInterface;
+import java.net.ServerSocket;
+import java.net.Socket;
+import java.net.SocketException;
+import java.util.ArrayList;
+import java.util.Enumeration;
+import java.util.List;
+
+public class MainActivity extends AppCompatActivity{
+
+    static final int SocketServerPORT = 8080;
+
+    Button b;
+
+    TextView infoIp, infoPort, chatMsg;
+
+    String msgLog = "";
+
+    List<ChatClient> userList;
+
+    ServerSocket serverSocket;
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+        infoIp = (TextView) findViewById(R.id.infoip);
+        infoPort = (TextView) findViewById(R.id.infoport);
+        chatMsg = (TextView) findViewById(R.id.chatmsg);
+        b = (Button) findViewById(R.id.next);
+        infoIp.setText(getIpAddress());
+
+        userList = new ArrayList<ChatClient>();
+
+        ChatServerThread chatServerThread = new ChatServerThread();
+        chatServerThread.start();
+
+        b.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent i = new Intent(MainActivity.this , Client.class);
+                startActivity(i);
+            }
+        });
+    }
+
+
+
+    @Override
+    protected void onDestroy() {
+        super.onDestroy();
+
+        if (serverSocket != null) {
+            try {
+                serverSocket.close();
+            } catch (IOException e) {
+                // TODO Auto-generated catch block
+                e.printStackTrace();
+            }
+        }
+    }
+
+
+
+    private class ChatServerThread extends Thread {
+
+        @Override
+        public void run() {
+            Socket socket = null;
+
+            try {
+                serverSocket = new ServerSocket(SocketServerPORT);
+                MainActivity.this.runOnUiThread(new Runnable() {
+
+                    @Override
+                    public void run() {
+                        infoPort.setText("I'm waiting here: "
+                                + serverSocket.getLocalPort());
+                    }
+                });
+
+                while (true) {
+                    socket = serverSocket.accept();
+                    ChatClient client = new ChatClient();
+                    userList.add(client);
+                    ConnectThread connectThread = new ConnectThread(client, socket);
+                    connectThread.start();
+                }
+
+            } catch (IOException e) {
+                e.printStackTrace();
+            } finally {
+                if (socket != null) {
+                    try {
+                        socket.close();
+                    } catch (IOException e) {
+                        // TODO Auto-generated catch block
+                        e.printStackTrace();
+                    }
+                }
+            }
+
+        }
+
+    }
+
+    private class ConnectThread extends Thread {
+
+        Socket socket;
+        ChatClient connectClient;
+        String msgToSend = "";
+
+        ConnectThread(ChatClient client, Socket socket){
+            connectClient = client;
+            this.socket= socket;
+            client.socket = socket;
+            client.chatThread = this;
+        }
+
+        @Override
+        public void run() {
+            DataInputStream dataInputStream = null;
+            DataOutputStream dataOutputStream = null;
+
+            try {
+                dataInputStream = new DataInputStream(socket.getInputStream());
+                dataOutputStream = new DataOutputStream(socket.getOutputStream());
+
+                String n = dataInputStream.readUTF();
+
+                connectClient.name = n;
+
+                msgLog += connectClient.name + " connected@" +
+                        connectClient.socket.getInetAddress() +
+                        ":" + connectClient.socket.getPort() + "\n";
+                MainActivity.this.runOnUiThread(new Runnable() {
+
+                    @Override
+                    public void run() {
+                        chatMsg.setText(msgLog);
+                    }
+                });
+
+                dataOutputStream.writeUTF("Welcome " + n + "\n");
+                dataOutputStream.flush();
+
+                broadcastMsg(n + " join our chat.\n");
+
+                while (true) {
+                    if (dataInputStream.available() > 0) {
+                        String newMsg = dataInputStream.readUTF();
+
+
+                        msgLog += n + ": " + newMsg;
+                        MainActivity.this.runOnUiThread(new Runnable() {
+
+                            @Override
+                            public void run() {
+                                chatMsg.setText(msgLog);
+                            }
+                        });
+
+                        broadcastMsg(n + ": " + newMsg);
+                    }
+
+                    if(!msgToSend.equals("")){
+                        dataOutputStream.writeUTF(msgToSend);
+                        dataOutputStream.flush();
+                        msgToSend = "";
+                    }
+
+                }
+
+            } catch (IOException e) {
+                e.printStackTrace();
+            } finally {
+                if (dataInputStream != null) {
+                    try {
+                        dataInputStream.close();
+                    } catch (IOException e) {
+                        // TODO Auto-generated catch block
+                        e.printStackTrace();
+                    }
+                }
+
+                if (dataOutputStream != null) {
+                    try {
+                        dataOutputStream.close();
+                    } catch (IOException e) {
+                        // TODO Auto-generated catch block
+                        e.printStackTrace();
+                    }
+                }
+
+                userList.remove(connectClient);
+                MainActivity.this.runOnUiThread(new Runnable() {
+
+                    @Override
+                    public void run() {
+                        Toast.makeText(MainActivity.this,
+                                connectClient.name + " removed.", Toast.LENGTH_LONG).show();
+
+                        msgLog += "-- " + connectClient.name + " leaved\n";
+                        MainActivity.this.runOnUiThread(new Runnable() {
+
+                            @Override
+                            public void run() {
+                                chatMsg.setText(msgLog);
+                            }
+                        });
+
+                        broadcastMsg("-- " + connectClient.name + " leaved\n");
+                    }
+                });
+            }
+
+        }
+
+        private void sendMsg(String msg){
+            msgToSend = msg;
+        }
+
+    }
+
+    private void broadcastMsg(String msg){
+        for(int i=0; i<userList.size(); i++){
+            userList.get(i).chatThread.sendMsg(msg);
+            msgLog += "- send to " + userList.get(i).name + "\n";
+        }
+
+        MainActivity.this.runOnUiThread(new Runnable() {
+
+            @Override
+            public void run() {
+                chatMsg.setText(msgLog);
+            }
+        });
+    }
+
+    private String getIpAddress() {
+        String ip = "";
+        try {
+            Enumeration<NetworkInterface> enumNetworkInterfaces = NetworkInterface
+                    .getNetworkInterfaces();
+            while (enumNetworkInterfaces.hasMoreElements()) {
+                NetworkInterface networkInterface = enumNetworkInterfaces
+                        .nextElement();
+                Enumeration<InetAddress> enumInetAddress = networkInterface
+                        .getInetAddresses();
+                while (enumInetAddress.hasMoreElements()) {
+                    InetAddress inetAddress = enumInetAddress.nextElement();
+
+                    if (inetAddress.isSiteLocalAddress()) {
+                        ip += "SiteLocalAddress: "
+                                + inetAddress.getHostAddress() + "\n";
+                    }
+
+                }
+
+            }
+
+        } catch (SocketException e) {
+            // TODO Auto-generated catch block
+            e.printStackTrace();
+            ip += "Something Wrong! " + e.toString() + "\n";
+        }
+
+        return ip;
+    }
+
+    class ChatClient {
+        String name;
+        Socket socket;
+        ConnectThread chatThread;
+
+    }
+
+
+
+
+}

QChat/app/src/main/res/layout/activity_main.xml

+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/activity_main"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    tools:context="com.example.kakarot.qchat.MainActivity">
+
+    <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="SERVER"
+        android:textAlignment="center"
+        android:textSize="20dp"
+        android:layout_margin="80dp"
+        android:textStyle="bold" />
+
+    <TextView
+        android:id="@+id/infoport"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:textAlignment="center"
+        android:textSize="15dp"
+        android:textStyle="bold" />
+
+    <TextView
+        android:id="@+id/infoip"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:textAlignment="center"
+        android:textSize="15dp"
+        android:textStyle="bold" />
+
+    <Button
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="NEXT"
+        android:background="@color/colorAccent"
+        android:id="@+id/next"/>
+
+    <ScrollView
+        android:layout_width="match_parent"
+        android:layout_height="match_parent" >
+
+        <TextView
+            android:id="@+id/chatmsg"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content" />
+
+    </ScrollView>
+
+</LinearLayout>

QChat/app/src/main/res/layout/client.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:orientation="vertical">
+
+    <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="Char Client"
+        android:textStyle="bold"
+        android:textAlignment="center"/>
+
+    <LinearLayout
+        android:id="@+id/loginpanel"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:orientation="vertical"
+        android:visibility="visible">
+
+        <EditText
+            android:id="@+id/username"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:hint="User name"
+            android:layout_margin="20dp"/>
+
+        <EditText
+            android:id="@+id/address"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:hint="Destination Address"
+            android:layout_margin="20dp"/>
+
+        <TextView
+            android:id="@+id/port"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content" />
+
+        <Button
+            android:id="@+id/connect"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="Connect..."
+            android:background="@color/colorAccent"
+            android:layout_margin="20dp"/>
+    </LinearLayout>
+
+    <LinearLayout
+        android:id="@+id/chatpanel"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:orientation="vertical"
+        android:visibility="gone" >
+
+        <EditText
+            android:id="@+id/say"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:hint="Say something"
+            android:layout_margin="20dp"/>
+
+        <Button
+            android:id="@+id/send"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:background="@color/colorAccent"
+            android:text="Send"
+            android:layout_margin="20dp"/>
+
+        <Button
+            android:id="@+id/disconnect"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:background="@color/colorAccent"
+            android:text="Disconnect"
+            android:layout_margin="20dp"/>
+
+        <Button
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="BACK"
+            android:background="@color/colorAccent"
+            android:textSize="15dp"
+            android:id="@+id/back"/>
+
+        <ScrollView
+            android:layout_width="match_parent"
+            android:layout_height="match_parent" >
+
+            <TextView
+                android:id="@+id/chatmsg"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_margin="20dp"/>
+
+        </ScrollView>
+
+    </LinearLayout>
+
+
+
+</LinearLayout>