Android + DEV 4.4

DEV 3.2/TP08/Authentification/Authentification.java

@@ -0,0 +1,61 @@
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.TreeMap;
+
+public class Authentification {
+    public static void main(String[] args) {
+        Map<String, String> loginMap = new TreeMap<>();
+        
+        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+        try {
+            while (true) {
+                String command = br.readLine();
+                String[] cargs = command.split(" ");
+
+                switch (cargs[0].toLowerCase()) {
+                    case "add":
+                        if (loginMap.containsKey(cargs[1])) {
+                            System.err.println("Utilisateur \"" + cargs[1] + "\" déjà existant.");
+                        } else {
+                            loginMap.put(cargs[1], cargs[2]);
+                            System.out.println("Utilisateur \"" + cargs[1] + "\" ajouté.");
+                        }
+                        break;
+
+                    case "auth":
+                        if (loginMap.containsKey(cargs[1])) {
+                            if (loginMap.get(cargs[1]).compareTo(cargs[2]) == 0) {
+                                System.out.println("Utilisateur \"" + cargs[1] + "\" reconnu.");
+                            } else {
+                                System.err.println("Utilisateur \"" + cargs[1] + "\" non reconnu.");
+                            }
+                        } else {
+                            System.err.println("Utilisateur \"" + cargs[1] + "\" non reconnu.");
+                        }
+                        break;
+
+                    case "del":
+                        if (loginMap.containsKey(cargs[1])) {
+                            loginMap.remove(cargs[1]);
+                            System.out.println("Utilisateur \"" + cargs[1] + "\" retiré.");
+                        } else {
+                            System.err.println("Utilisateur \"" + cargs[1] + "\" non reconnu.");
+                        }
+                        break;
+
+                    case "quit":
+                        System.out.println("Au revoir");
+                        return;
+
+                    default:
+                        System.out.println("Commande inconnue");
+                }
+            }
+        } catch (IOException e) {
+            System.err.println(e);
+        }
+    }
+}

DEV 3.2/TP08/Authentification/StringComparator.java

@@ -0,0 +1,11 @@
+public class StringComparator implements TreeComparator<String> {
+
+    @Override
+    public int compare(String a, String b) {
+        int comparing = a.compareTo(b);
+
+        if (comparing == 0) return 0;
+        return comparing /= Math.abs(comparing);
+    }
+    
+}

DEV 3.2/TP08/Authentification/TreeComparator.java

@@ -0,0 +1,4 @@
+
+public interface TreeComparator<T> {
+    public int compare(T a, T b);
+}

DEV 3.2/TP08/Authentification/TreeMap.java

@@ -0,0 +1,96 @@
+import java.util.Collection;
+import java.util.Map;
+import java.util.Set;
+
+public class TreeMap<K,V>  implements Map<K,V> {
+
+    private TreeNode<K,V> root;
+    private TreeComparator<K> comparator;
+
+    public TreeMap() {
+
+    }
+
+    public TreeComparator<K> getComparator() {
+        return comparator;
+    }
+
+    public void setComparator(TreeComparator<K> comparator) {
+        this.comparator = comparator;
+    }
+
+    @Override
+    public void clear() {
+        root = null;
+    }
+
+    @Override
+    public boolean containsKey(Object key) {
+        if (root == null) return false;
+        else return root.containsKey((K)key);
+    }
+
+    @Override
+    public boolean containsValue(Object value) {
+        return false;
+    }
+
+    @Override
+    public Set<Entry<K, V>> entrySet() {
+        return null;
+    }
+
+    @Override
+    public V get(Object key) {
+        if (root == null) return null;
+        return root.get((K)key);
+    }
+
+    @Override
+    public boolean isEmpty() {
+        return root == null;
+    }
+
+    @Override
+    public Set<K> keySet() {
+        return null;
+    }
+
+    @Override
+    public V put(K key, V value) {
+        if (root == null) {
+            root = new TreeNode<K,V>(this, key, value);
+            return null;
+        }
+
+        return root.put(key, value);
+    }
+
+    @Override
+    public void putAll(Map<? extends K, ? extends V> m) {
+        
+    }
+
+    @Override
+    public V remove(Object key) {
+        if (root == null) return null;
+        else if (comparator.compare(root.getKey(), (K)key) == 0) {
+            V value = root.getValue();
+            root = null;
+            return value;
+        } else {
+            return root.remove((K)key);
+        }
+    }
+
+    @Override
+    public int size() {
+        return 0;
+    }
+
+    @Override
+    public Collection<V> values() {
+        return null;
+    }
+    
+}

DEV 3.2/TP08/Authentification/TreeNode.java

@@ -0,0 +1,105 @@
+public class TreeNode<K,V> {
+    
+    private K key;
+    private V value;
+
+    private TreeMap<K, V> tree;
+    private TreeNode<K, V> sub;
+    private TreeNode<K, V> top;
+
+    public TreeNode(TreeMap<K, V> tree, K key, V value) {
+        this.key = key;
+        this.value = value;
+    }
+
+    public K getKey() {
+        return key;
+    }
+
+    public V getValue() {
+        return value;
+    }
+
+    public V put(K key, V value) {
+        int comparison = tree.getComparator().compare(this.key, key);
+
+        if (comparison == -1) {
+            if (sub == null) sub = new TreeNode<K,V>(tree, key, value);
+            else sub.put(key, value);
+            return null;
+        } else if (comparison == 0) {
+            V oldValue = this.value;
+            this.value = value;
+            return oldValue;
+        } else {
+            if (top == null) top = new TreeNode<K,V>(tree, key, value);
+            else top.put(key, value);
+            return null;
+        }
+    }
+
+    public V get(K key) {
+        int comparison = tree.getComparator().compare(this.key, key);
+
+        if (comparison == -1) {
+            if (sub == null) return null;
+            else return sub.get(key);
+        } else if (comparison == 0) {
+            return value;
+        } else {
+            if (top == null) return null;
+            else return top.get(key);
+        }
+    }
+
+    public boolean containsKey(K key) {
+        int comparison = tree.getComparator().compare(this.key, key);
+
+        if (comparison == -1) {
+            if (sub == null) return false;
+            else return sub.containsKey(key);
+        } else if (comparison == 0) {
+            return true;
+        } else {
+            if (top == null) return false;
+            else return top.containsKey(key);
+        }
+    }
+
+    public TreeNode<K, V> getSub() {
+        return sub;
+    }
+
+    public TreeNode<K, V> getTop() {
+        return top;
+    }
+
+    public V remove(K key) {
+        int comparison = tree.getComparator().compare(this.key, key);
+
+        if (comparison == -1) {
+            if (sub == null) return null;
+            else {
+                if (tree.getComparator().compare(key, sub.getKey()) == 0) {
+                    V value = sub.getValue();
+                    sub = null;
+
+                    return value;
+                } else {
+                    return sub.remove(key);
+                }
+            }
+        } else {
+            if (top == null) return null;
+            else {
+                if (tree.getComparator().compare(key, top.getKey()) == 0) {
+                    V value = top.getValue();
+                    top = null;
+                    return value;
+                } else {
+                    return top.remove(key);
+                }
+            }
+        }
+    }
+}

DEV 3.2/TP08/Tri/RealComparator.java

@@ -0,0 +1,11 @@
+public class RealComparator implements TreeComparator<Float> {
+
+    public RealComparator() {}
+    
+    @Override
+    public int compare(Float a, Float b) {
+        if (a > b) return 1;
+        else if (a < b) return -1;
+        else return 0;
+    }
+}

DEV 3.2/TP08/Tri/SearchTree.java

@@ -0,0 +1,23 @@
+public class SearchTree<T> {
+
+    private TreeNode<T> root;
+    private TreeComparator<T> comparator;
+
+    public SearchTree(TreeComparator<T> comparator) {
+       this.comparator = comparator;
+    }
+
+    public void add(T object) {
+        if (root != null) root.add(object);
+        else root = new TreeNode<T>(this, object);
+    }
+
+    public TreeComparator<T> getComparator() {
+        return comparator;
+    }
+
+    @Override
+    public String toString() {
+        return root.toString();
+    }
+}

DEV 3.2/TP08/Tri/TreeComparator.java

@@ -0,0 +1,3 @@
+public interface TreeComparator<T> {
+    public int compare(T a, T b);
+}

DEV 3.2/TP08/Tri/TreeNode.java

@@ -0,0 +1,78 @@
+public class TreeNode<T> {
+
+    private T value;
+    private TreeNode<T> lesser;
+    private TreeNode<T> greater;
+    private SearchTree<T> parentTree;
+
+    public TreeNode(SearchTree<T> parentTree, T object) {
+        this.parentTree = parentTree;
+        this.value = object;
+    }
+
+    public void add(T object) {
+        switch (parentTree.getComparator().compare(value, object)) {
+            case -1:
+                if (lesser != null) lesser.add(object);
+                else lesser = new TreeNode<T>(parentTree, object);
+                break;
+            case 0:
+                throw new IllegalArgumentException("Value already in tree");
+            case 1:
+                if (greater != null) greater.add(object);
+                else greater = new TreeNode<T>(parentTree, object);
+                break;
+        }
+    }
+
+    public void remove(T object) {
+        if (lesser.getValue().equals(object)) {
+            T a = lesser.getLesser().getValue();
+            T b = lesser.getGreater().getValue();
+            parentTree.add(a);
+            parentTree.add(b);
+            lesser = null;
+        } else if (greater.getValue().equals(object)) {
+            T a = greater.getLesser().getValue();
+            T b = greater.getGreater().getValue();
+            parentTree.add(a);
+            parentTree.add(b);
+            greater = null;
+        } else {
+            switch (parentTree.getComparator().compare(value, object)) {
+                case -1:
+                    if (lesser != null) lesser.remove(object);
+                    else return;
+                    break;
+                case 0:
+                    throw new IllegalStateException("Something fucked up");
+                case 1:
+                    if (greater != null) greater.remove(object);
+                    else return;
+                    break;
+            }
+        }
+    }
+
+    public T getValue() {
+        return value;
+    }
+
+    public TreeNode<T> getLesser() {
+        return lesser;
+    }
+
+    public TreeNode<T> getGreater() {
+        return greater;
+    }
+
+    @Override
+    public String toString() {
+        String str = "";
+        if (greater != null) str += greater.toString();
+        str += value.toString() + " ";
+        if (lesser != null) str += lesser.toString() + " ";
+
+        return str;
+    }
+}

DEV 3.2/TP08/Tri/Tri.java

@@ -0,0 +1,16 @@
+/**
+ * Tri
+ */
+public class Tri {
+
+    public static void main(String[] args) {
+        SearchTree<Float> t = new SearchTree<>(new RealComparator());
+
+        for (String arg : args) {
+            Float f = Float.parseFloat(arg);
+            t.add(f);
+        }
+
+        System.out.println(t.toString());
+    }
+}

DEV 4.4/TP01/ex1.c

@@ -0,0 +1,117 @@
+#include <stdio.h>
+#include <stdint.h>
+#include <string.h>
+
+void encrypt (uint32_t* v, uint32_t* k) 
+{
+    uint32_t v0=v[0], v1=v[1], sum=0, i;           /* set up */
+    uint32_t delta=0x9e3779b9;                     /* a key schedule constant */
+    uint32_t k0=k[0], k1=k[1], k2=k[2], k3=k[3];   /* cache key */
+    for (i=0; i < 32; i++) {                       /* basic cycle start */
+        sum += delta;
+        v0 += ((v1<<4) + k0) ^ (v1 + sum) ^ ((v1>>5) + k1);
+        v1 += ((v0<<4) + k2) ^ (v0 + sum) ^ ((v0>>5) + k3);
+    }                                              /* end cycle */
+    v[0]=v0; v[1]=v1;
+}
+
+void decrypt (uint32_t* v, uint32_t* k) 
+{
+    uint32_t delta=0x9e3779b9;
+    uint32_t v0=v[0], v1=v[1], sum=(delta << 5), i; 
+    uint32_t k0=k[0], k1=k[1], k2=k[2], k3=k[3];
+
+    for (i=0; i < 32; i++) {
+        v1 -= ((v0<<4) + k2) ^ (v0 + sum) ^ ((v0>>5) + k3);
+        v0 -= ((v1<<4) + k0) ^ (v1 + sum) ^ ((v1>>5) + k1);
+        sum -= delta;
+    }
+    v[0]=v0; v[1]=v1;
+}
+
+
+
+int treatFile(FILE* input, FILE* output, uint32_t key[4], char method) {
+
+    int n;
+    uint32_t buffer[2];
+    int m;
+
+    //TODO: Padding management
+
+    switch (method)
+    {
+    case 'd':
+        while ((n = fread(buffer, 4, 2, input)) > 0) {
+            decrypt(buffer, key);
+
+            if (( m = fwrite(buffer, 4, 2, output)) != 2) {
+                return 1;
+            }
+        }
+        break;
+
+    case 'e':
+        while ((n = fread(buffer, 4, 2, input)) > 0) {
+            encrypt(buffer, key);
+
+            if (( m = fwrite(buffer, 4, 2, output)) != 2) {
+                return 1;
+            }
+        }
+        break;
+    }
+
+    return 0;
+}
+
+int main(int argc, char const *argv[])
+{
+    if (argc < 5) {
+        printf("Usage: %s e/d <key> <input> <output>\n", argv[0]);
+        return 0;
+    }
+    
+    if (!strcmp(argv[1], "-d") && !strcmp(argv[1], "-e")) {
+        printf("Invalid operation, use either e(ncrypt) or d(ecrypt).");
+        return 1;
+    }
+
+    uint32_t key[4];
+    FILE* keyFile = fopen(argv[2], "r");
+    if (!keyFile) {
+        printf("Unable to open key file.\n");
+        return 1;
+    }
+
+    if (fread(key, 4, 4, keyFile) != 4) {
+        printf("Invalid key length.\n");
+        return 1;
+    }
+
+    fclose(keyFile);
+
+    FILE* input = fopen(argv[3], "r");
+    if (!input) {
+        printf("Unable to open input file.\n");
+        return 1;
+    }
+
+    FILE* output = fopen(argv[4], "w");
+    if (!output) {
+        printf("Unable to open output file.\n");
+        return 1;
+    }
+
+    int failure = treatFile(input, output, key, argv[1][1]);
+
+    fclose(input);
+    fclose(output);
+
+    if (failure) {
+        printf("Error during processing.\n");
+        return 2;
+    }
+
+    return 0;
+}

DEV 4.4/TP01/key1.k

@@ -0,0 +1 @@
+÷Nà{q2‘*:¬¨œÇmfU#©`í±Å?&Q3

DEV 4.4/TP01/test.txt

@@ -0,0 +1 @@
+abcdefgh

DEV-4.5/TP01/Chat-Relative/.gitignore

@@ -0,0 +1,15 @@
+*.iml
+.gradle
+/local.properties
+/.idea/caches
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+/.idea/navEditor.xml
+/.idea/assetWizardSettings.xml
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+.cxx
+local.properties

DEV-4.5/TP01/Chat-Relative/.idea/.gitignore

@@ -0,0 +1,3 @@
+# Default ignored files
+/shelf/
+/workspace.xml

DEV-4.5/TP01/Chat-Relative/.idea/.name

@@ -0,0 +1 @@
+Chat

DEV-4.5/TP01/Chat-Relative/.idea/compiler.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CompilerConfiguration">
+    <bytecodeTargetLevel target="11" />
+  </component>
+</project>

DEV-4.5/TP01/Chat-Relative/.idea/gradle.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="GradleMigrationSettings" migrationVersion="1" />
+  <component name="GradleSettings">
+    <option name="linkedExternalProjectsSettings">
+      <GradleProjectSettings>
+        <option name="testRunner" value="GRADLE" />
+        <option name="distributionType" value="DEFAULT_WRAPPED" />
+        <option name="externalProjectPath" value="$PROJECT_DIR$" />
+        <option name="gradleHome" value="/usr/share/java/gradle" />
+        <option name="modules">
+          <set>
+            <option value="$PROJECT_DIR$" />
+            <option value="$PROJECT_DIR$/app" />
+          </set>
+        </option>
+      </GradleProjectSettings>
+    </option>
+  </component>
+</project>

DEV-4.5/TP01/Chat-Relative/.idea/misc.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="DesignSurface">
+    <option name="filePathToZoomLevelMap">
+      <map>
+        <entry key="app/src/main/res/layout/activity_main.xml" value="0.33" />
+      </map>
+    </option>
+  </component>
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_11" default="true" project-jdk-name="JDK" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/build/classes" />
+  </component>
+  <component name="ProjectType">
+    <option name="id" value="Android" />
+  </component>
+</project>

DEV-4.5/TP01/Chat-Relative/.idea/vcs.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$/../../.." vcs="Git" />
+  </component>
+</project>

DEV-4.5/TP01/Chat-Relative/app/.gitignore

@@ -0,0 +1 @@
+/build

DEV-4.5/TP01/Chat-Relative/app/build.gradle

@@ -0,0 +1,39 @@
+plugins {
+    id 'com.android.application'
+}
+
+android {
+    compileSdk 32
+
+    defaultConfig {
+        applicationId "com.example.chat"
+        minSdk 21
+        targetSdk 32
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+    buildToolsVersion '33.0.0'
+}
+
+dependencies {
+
+    implementation 'androidx.appcompat:appcompat:1.3.0'
+    implementation 'com.google.android.material:material:1.4.0'
+    implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
+    testImplementation 'junit:junit:4.13.2'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.3'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
+}

DEV-4.5/TP01/Chat-Relative/app/proguard-rules.pro

@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# 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 *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

DEV-4.5/TP01/Chat-Relative/app/src/androidTest/java/com/example/chat/ExampleInstrumentedTest.java

@@ -0,0 +1,26 @@
+package com.example.chat;
+
+import android.content.Context;
+
+import androidx.test.platform.app.InstrumentationRegistry;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * Instrumented 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() {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getInstrumentation().getTargetContext();
+        assertEquals("com.example.chat", appContext.getPackageName());
+    }
+}

DEV-4.5/TP01/Chat-Relative/app/src/main/AndroidManifest.xml

@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    package="com.example.chat">
+
+    <application
+        android:allowBackup="true"
+        android:dataExtractionRules="@xml/data_extraction_rules"
+        android:fullBackupContent="@xml/backup_rules"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.Chat"
+        tools:targetApi="31">
+        <activity
+            android:name=".MainActivity"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

DEV-4.5/TP01/Chat-Relative/app/src/main/java/com/example/chat/MainActivity.java

@@ -0,0 +1,14 @@
+package com.example.chat;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+import android.os.Bundle;
+
+public class MainActivity extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+    }
+}

DEV-4.5/TP01/Chat-Relative/app/src/main/res/drawable-v24/ic_launcher_foreground.xml

@@ -0,0 +1,30 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path android:pathData="M31,63.928c0,0 6.4,-11 12.1,-13.1c7.2,-2.6 26,-1.4 26,-1.4l38.1,38.1L107,108.928l-32,-1L31,63.928z">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                android:endX="85.84757"
+                android:endY="92.4963"
+                android:startX="42.9492"
+                android:startY="49.59793"
+                android:type="linear">
+                <item
+                    android:color="#44000000"
+                    android:offset="0.0" />
+                <item
+                    android:color="#00000000"
+                    android:offset="1.0" />
+            </gradient>
+        </aapt:attr>
+    </path>
+    <path
+        android:fillColor="#FFFFFF"
+        android:fillType="nonZero"
+        android:pathData="M65.3,45.828l3.8,-6.6c0.2,-0.4 0.1,-0.9 -0.3,-1.1c-0.4,-0.2 -0.9,-0.1 -1.1,0.3l-3.9,6.7c-6.3,-2.8 -13.4,-2.8 -19.7,0l-3.9,-6.7c-0.2,-0.4 -0.7,-0.5 -1.1,-0.3C38.8,38.328 38.7,38.828 38.9,39.228l3.8,6.6C36.2,49.428 31.7,56.028 31,63.928h46C76.3,56.028 71.8,49.428 65.3,45.828zM43.4,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2c-0.3,-0.7 -0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C45.3,56.528 44.5,57.328 43.4,57.328L43.4,57.328zM64.6,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2s-0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C66.5,56.528 65.6,57.328 64.6,57.328L64.6,57.328z"
+        android:strokeWidth="1"
+        android:strokeColor="#00000000" />
+</vector>

DEV-4.5/TP01/Chat-Relative/app/src/main/res/drawable/ic_launcher_background.xml

@@ -0,0 +1,170 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path
+        android:fillColor="#3DDC84"
+        android:pathData="M0,0h108v108h-108z" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M9,0L9,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,0L19,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,0L29,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,0L39,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,0L49,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,0L59,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,0L69,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,0L79,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M89,0L89,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M99,0L99,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,9L108,9"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,19L108,19"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,29L108,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,39L108,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,49L108,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,59L108,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,69L108,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,79L108,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,89L108,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,99L108,99"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,29L89,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,39L89,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,49L89,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,59L89,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,69L89,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,79L89,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,19L29,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,19L39,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,19L49,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,19L59,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,19L69,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,19L79,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+</vector>

DEV-4.5/TP01/Chat-Relative/app/src/main/res/layout/activity_main.xml

@@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout
+    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">
+
+    <EditText
+        android:layout_alignParentTop="true"
+        android:gravity="top"
+        android:text="OwO"
+        android:id="@+id/chatBox"
+        android:layout_width="match_parent"
+        android:layout_height="75sp"
+        />
+    <EditText
+        android:maxLines="1"
+        android:hint="Message"
+        android:id="@+id/messageBox"
+        android:inputType="text"
+        android:layout_width="wrap_content"
+        android:layout_height="fill_parent"
+        android:layout_below="@+id/chatBox"
+        android:layout_alignParentBottom="true"
+        android:layout_alignParentLeft="true"/>
+    <Button
+        android:id="@+id/submitButton"
+        android:layout_width="wrap_content"
+        android:layout_height="25pt"
+        android:text="OK"
+        android:textAlignment="center"
+        android:layout_below="@+id/chatBox"
+        android:layout_toRightOf="@id/messageBox"
+        android:layout_alignParentBottom="true"
+        android:layout_alignParentRight="true"
+        />
+</RelativeLayout>

DEV-4.5/TP01/Chat-Relative/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>

DEV-4.5/TP01/Chat-Relative/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>

DEV-4.5/TP01/Chat-Relative/app/src/main/res/values-night/themes.xml

@@ -0,0 +1,16 @@
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme. -->
+    <style name="Theme.Chat" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
+        <!-- Primary brand color. -->
+        <item name="colorPrimary">@color/purple_200</item>
+        <item name="colorPrimaryVariant">@color/purple_700</item>
+        <item name="colorOnPrimary">@color/black</item>
+        <!-- Secondary brand color. -->
+        <item name="colorSecondary">@color/teal_200</item>
+        <item name="colorSecondaryVariant">@color/teal_200</item>
+        <item name="colorOnSecondary">@color/black</item>
+        <!-- Status bar color. -->
+        <item name="android:statusBarColor" tools:targetApi="l">?attr/colorPrimaryVariant</item>
+        <!-- Customize your theme here. -->
+    </style>
+</resources>

DEV-4.5/TP01/Chat-Relative/app/src/main/res/values/colors.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="purple_200">#FFBB86FC</color>
+    <color name="purple_500">#FF6200EE</color>
+    <color name="purple_700">#FF3700B3</color>
+    <color name="teal_200">#FF03DAC5</color>
+    <color name="teal_700">#FF018786</color>
+    <color name="black">#FF000000</color>
+    <color name="white">#FFFFFFFF</color>
+</resources>

DEV-4.5/TP01/Chat-Relative/app/src/main/res/values/strings.xml

@@ -0,0 +1,3 @@
+<resources>
+    <string name="app_name">Chat</string>
+</resources>

DEV-4.5/TP01/Chat-Relative/app/src/main/res/values/themes.xml

@@ -0,0 +1,16 @@
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme. -->
+    <style name="Theme.Chat" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
+        <!-- Primary brand color. -->
+        <item name="colorPrimary">@color/purple_500</item>
+        <item name="colorPrimaryVariant">@color/purple_700</item>
+        <item name="colorOnPrimary">@color/white</item>
+        <!-- Secondary brand color. -->
+        <item name="colorSecondary">@color/teal_200</item>
+        <item name="colorSecondaryVariant">@color/teal_700</item>
+        <item name="colorOnSecondary">@color/black</item>
+        <!-- Status bar color. -->
+        <item name="android:statusBarColor" tools:targetApi="l">?attr/colorPrimaryVariant</item>
+        <!-- Customize your theme here. -->
+    </style>
+</resources>

DEV-4.5/TP01/Chat-Relative/app/src/main/res/xml/backup_rules.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+   Sample backup rules file; uncomment and customize as necessary.
+   See https://developer.android.com/guide/topics/data/autobackup
+   for details.
+   Note: This file is ignored for devices older that API 31
+   See https://developer.android.com/about/versions/12/backup-restore
+-->
+<full-backup-content>
+    <!--
+   <include domain="sharedpref" path="."/>
+   <exclude domain="sharedpref" path="device.xml"/>
+-->
+</full-backup-content>

DEV-4.5/TP01/Chat-Relative/app/src/main/res/xml/data_extraction_rules.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+   Sample data extraction rules file; uncomment and customize as necessary.
+   See https://developer.android.com/about/versions/12/backup-restore#xml-changes
+   for details.
+-->
+<data-extraction-rules>
+    <cloud-backup>
+        <!-- TODO: Use <include> and <exclude> to control what is backed up.
+        <include .../>
+        <exclude .../>
+        -->
+    </cloud-backup>
+    <!--
+    <device-transfer>
+        <include .../>
+        <exclude .../>
+    </device-transfer>
+    -->
+</data-extraction-rules>

DEV-4.5/TP01/Chat-Relative/app/src/test/java/com/example/chat/ExampleUnitTest.java

@@ -0,0 +1,17 @@
+package com.example.chat;
+
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+public class ExampleUnitTest {
+    @Test
+    public void addition_isCorrect() {
+        assertEquals(4, 2 + 2);
+    }
+}

DEV-4.5/TP01/Chat-Relative/build.gradle

@@ -0,0 +1,9 @@
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+plugins {
+    id 'com.android.application' version '7.2.1' apply false
+    id 'com.android.library' version '7.2.1' apply false
+}
+
+task clean(type: Delete) {
+    delete rootProject.buildDir
+}