diff --git a/DEV4.5/.gitignore b/DEV4.5/.gitignore
new file mode 100644
index 0000000..aa724b7
--- /dev/null
+++ b/DEV4.5/.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
diff --git a/DEV4.5/.idea/.gitignore b/DEV4.5/.idea/.gitignore
new file mode 100644
index 0000000..26d3352
--- /dev/null
+++ b/DEV4.5/.idea/.gitignore
@@ -0,0 +1,3 @@
+# Default ignored files
+/shelf/
+/workspace.xml
diff --git a/DEV4.5/.idea/.name b/DEV4.5/.idea/.name
new file mode 100644
index 0000000..dab4da8
--- /dev/null
+++ b/DEV4.5/.idea/.name
@@ -0,0 +1 @@
+Choix
\ No newline at end of file
diff --git a/DEV4.5/.idea/compiler.xml b/DEV4.5/.idea/compiler.xml
new file mode 100644
index 0000000..b589d56
--- /dev/null
+++ b/DEV4.5/.idea/compiler.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CompilerConfiguration">
+    <bytecodeTargetLevel target="17" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/DEV4.5/.idea/gradle.xml b/DEV4.5/.idea/gradle.xml
new file mode 100644
index 0000000..a9f4e52
--- /dev/null
+++ b/DEV4.5/.idea/gradle.xml
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <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="modules">
+          <set>
+            <option value="$PROJECT_DIR$" />
+            <option value="$PROJECT_DIR$/app" />
+          </set>
+        </option>
+      </GradleProjectSettings>
+    </option>
+  </component>
+</project>
\ No newline at end of file
diff --git a/DEV4.5/.idea/misc.xml b/DEV4.5/.idea/misc.xml
new file mode 100644
index 0000000..9f71c83
--- /dev/null
+++ b/DEV4.5/.idea/misc.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ExternalStorageConfigurationManager" enabled="true" />
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_17" project-jdk-name="jbr-17" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/build/classes" />
+  </component>
+  <component name="ProjectType">
+    <option name="id" value="Android" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/DEV4.5/.idea/vcs.xml b/DEV4.5/.idea/vcs.xml
new file mode 100644
index 0000000..6c0b863
--- /dev/null
+++ b/DEV4.5/.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>
\ No newline at end of file
diff --git a/DEV4.5/Fleche/.idea/gradle.xml b/DEV4.5/Fleche/.idea/gradle.xml
index 0897082..59b02ee 100644
--- a/DEV4.5/Fleche/.idea/gradle.xml
+++ b/DEV4.5/Fleche/.idea/gradle.xml
@@ -4,8 +4,9 @@
   <component name="GradleSettings">
     <option name="linkedExternalProjectsSettings">
       <GradleProjectSettings>
+        <option name="testRunner" value="GRADLE" />
         <option name="externalProjectPath" value="$PROJECT_DIR$" />
-        <option name="gradleJvm" value="#GRADLE_LOCAL_JAVA_HOME" />
+        <option name="gradleJvm" value="Embedded JDK" />
         <option name="modules">
           <set>
             <option value="$PROJECT_DIR$" />
diff --git a/DEV4.5/Fleche/.idea/misc.xml b/DEV4.5/Fleche/.idea/misc.xml
index 8978d23..773fe0f 100644
--- a/DEV4.5/Fleche/.idea/misc.xml
+++ b/DEV4.5/Fleche/.idea/misc.xml
@@ -1,6 +1,6 @@
 <project version="4">
   <component name="ExternalStorageConfigurationManager" enabled="true" />
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_17" default="true" project-jdk-name="jbr-17" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_17" project-jdk-name="jbr-17" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">
diff --git a/DEV4.5/Fleche/app/src/main/java/com/example/fleche/FlecheListener.java b/DEV4.5/Fleche/app/src/main/java/com/example/fleche/FlecheListener.java
index 5827dc0..847dc6e 100644
--- a/DEV4.5/Fleche/app/src/main/java/com/example/fleche/FlecheListener.java
+++ b/DEV4.5/Fleche/app/src/main/java/com/example/fleche/FlecheListener.java
@@ -11,11 +11,11 @@ public class FlecheListener implements View.OnClickListener {
     private ImageView imgFleche;
     private Button ButtonG;
     private Button ButtonD;
-    FlecheListener(ImageView img, Button bg, Button bd) {
+    FlecheListener(ImageView img, Button left, Button right) {
         super();
         this.imgFleche = img;
-        this.ButtonG = bg;
-        this.ButtonD = bd;
+        this.ButtonG = left;
+        this.ButtonD = right;
     }
 
     @Override
diff --git a/DEV4.5/Fleche/app/src/main/java/com/example/fleche/MainActivity.java b/DEV4.5/Fleche/app/src/main/java/com/example/fleche/MainActivity.java
index 7a14ae7..343f26a 100644
--- a/DEV4.5/Fleche/app/src/main/java/com/example/fleche/MainActivity.java
+++ b/DEV4.5/Fleche/app/src/main/java/com/example/fleche/MainActivity.java
@@ -16,6 +16,8 @@ public class MainActivity extends AppCompatActivity {
         ImageView FlecheImg = (ImageView) findViewById(R.id.flecheImg);
         Button btnFlecheG = (Button) findViewById(R.id.flecheGauche);
         Button btnFlecheD = (Button) findViewById(R.id.flecheDroite);
-        btnFlecheG.setOnClickListener(new FlecheListener(FlecheImg,btnFlecheG,btnFlecheD));
+        FlecheListener listener = new FlecheListener(FlecheImg,btnFlecheG,btnFlecheD);
+        btnFlecheG.setOnClickListener(listener);
+        btnFlecheD.setOnClickListener(listener);
     }
 }
\ No newline at end of file
diff --git a/DEV4.5/Fleche/app/src/main/res/layout/activity_main.xml b/DEV4.5/Fleche/app/src/main/res/layout/activity_main.xml
index 68351d5..83b8815 100644
--- a/DEV4.5/Fleche/app/src/main/res/layout/activity_main.xml
+++ b/DEV4.5/Fleche/app/src/main/res/layout/activity_main.xml
@@ -19,14 +19,14 @@
         android:layout_height="wrap_content"
         android:layout_below="@id/flecheImg"
         android:layout_toStartOf="@+id/filler"
-        android:text="←"></Button>
+        android:text="←" />
 
     <TextView
         android:id="@+id/filler"
         android:layout_width="80dp"
         android:layout_height="45dp"
         android:layout_below="@id/flecheImg"
-        android:layout_centerHorizontal="true"></TextView>
+        android:layout_centerHorizontal="true" />
 
     <Button
         android:id="@+id/flecheDroite"
@@ -34,7 +34,7 @@
         android:layout_height="wrap_content"
         android:layout_below="@id/flecheImg"
         android:layout_toEndOf="@+id/filler"
-        android:text="→"></Button>
+        android:text="→" />
 
 
 </RelativeLayout>
\ No newline at end of file
diff --git a/DEV4.5/app/.gitignore b/DEV4.5/app/.gitignore
new file mode 100644
index 0000000..42afabf
--- /dev/null
+++ b/DEV4.5/app/.gitignore
@@ -0,0 +1 @@
+/build
\ No newline at end of file
diff --git a/DEV4.5/app/build.gradle b/DEV4.5/app/build.gradle
new file mode 100644
index 0000000..d650b5e
--- /dev/null
+++ b/DEV4.5/app/build.gradle
@@ -0,0 +1,40 @@
+plugins {
+    id 'com.android.application'
+}
+
+android {
+    namespace 'com.example.choix'
+    compileSdk 33
+
+    defaultConfig {
+        applicationId "com.example.choix"
+        minSdk 19
+        targetSdk 33
+        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 '34.0.0'
+}
+
+dependencies {
+
+    implementation 'androidx.appcompat:appcompat:1.6.1'
+    implementation 'com.google.android.material:material:1.5.0'
+    implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
+    testImplementation 'junit:junit:4.13.2'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.5'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'
+}
\ No newline at end of file
diff --git a/DEV4.5/app/proguard-rules.pro b/DEV4.5/app/proguard-rules.pro
new file mode 100644
index 0000000..481bb43
--- /dev/null
+++ b/DEV4.5/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
\ No newline at end of file
diff --git a/DEV4.5/app/src/androidTest/java/com/example/choix/ExampleInstrumentedTest.java b/DEV4.5/app/src/androidTest/java/com/example/choix/ExampleInstrumentedTest.java
new file mode 100644
index 0000000..d36f2b3
--- /dev/null
+++ b/DEV4.5/app/src/androidTest/java/com/example/choix/ExampleInstrumentedTest.java
@@ -0,0 +1,26 @@
+package com.example.choix;
+
+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.choix", appContext.getPackageName());
+    }
+}
\ No newline at end of file
diff --git a/DEV4.5/app/src/main/AndroidManifest.xml b/DEV4.5/app/src/main/AndroidManifest.xml
new file mode 100644
index 0000000..9f886ff
--- /dev/null
+++ b/DEV4.5/app/src/main/AndroidManifest.xml
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools">
+
+    <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.Choix"
+        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>
\ No newline at end of file
diff --git a/DEV4.5/app/src/main/java/com/example/choix/Choix.java b/DEV4.5/app/src/main/java/com/example/choix/Choix.java
new file mode 100644
index 0000000..c0b07f8
--- /dev/null
+++ b/DEV4.5/app/src/main/java/com/example/choix/Choix.java
@@ -0,0 +1,72 @@
+package com.example.choix;
+
+import android.content.Context;
+import android.graphics.Canvas;
+import android.graphics.Paint;
+import android.graphics.Rect;
+import android.provider.MediaStore;
+import android.util.AttributeSet;
+import android.view.View;
+import android.widget.RadioGroup;
+import android.graphics.Path;
+
+import androidx.annotation.Nullable;
+
+public class Choix extends View{
+    private Paint paint;
+    private RadioGroup radioGroup;
+
+    public Choix(Context context, @Nullable AttributeSet attrs) {
+        super(context, attrs);
+        paint = new Paint();
+    }
+
+    @Override
+    protected void onDraw(Canvas canvas)
+    {
+        radioGroup = getRootView().findViewById(R.id.groupe);
+        choixListener cl = new choixListener(this);
+        getRootView().findViewById(R.id.groupe).findViewById(R.id.croix).setOnClickListener(cl);
+        getRootView().findViewById(R.id.groupe).findViewById(R.id.carre).setOnClickListener(cl);
+        getRootView().findViewById(R.id.groupe).findViewById(R.id.rond).setOnClickListener(cl);
+        getRootView().findViewById(R.id.groupe).findViewById(R.id.triangle).setOnClickListener(cl);
+
+        if(radioGroup.getCheckedRadioButtonId() == R.id.carre) {
+            super.onDraw(canvas);
+            paint.setARGB(255, 210, 210, 90);
+            paint.setStyle(Paint.Style.STROKE);
+            paint.setStrokeWidth(5);
+            canvas.drawRect(100, 100, 300, 300, paint);
+        }
+        else if(radioGroup.getCheckedRadioButtonId() == R.id.rond) {
+            super.onDraw(canvas);
+            paint.setARGB(255, 210, 210, 90);
+            paint.setStyle(Paint.Style.STROKE);
+            paint.setStrokeWidth(5);
+            canvas.drawCircle(200,200,100,paint);
+        }
+        else if(radioGroup.getCheckedRadioButtonId() == R.id.triangle) {
+            super.onDraw(canvas);
+            paint.setARGB(255, 0, 255, 0);
+            paint.setStyle(Paint.Style.STROKE);
+            paint.setStrokeWidth(5);
+
+
+
+            canvas.drawLine( 200, 100, 300, 300, paint);
+            canvas.drawLine( 300, 300, 100, 300, paint);
+            canvas.drawLine( 100, 300, 200, 100, paint);
+        }
+        else{
+            super.onDraw(canvas);
+            paint.setARGB(255, 0, 0, 255);
+            paint.setStyle(Paint.Style.STROKE);
+            paint.setStrokeWidth(5);
+
+            canvas.drawLine(100, 100, 300, 300, paint);
+            canvas.drawLine(100, 300, 300, 100, paint);
+        }
+
+
+    }
+}
\ No newline at end of file
diff --git a/DEV4.5/app/src/main/java/com/example/choix/MainActivity.java b/DEV4.5/app/src/main/java/com/example/choix/MainActivity.java
new file mode 100644
index 0000000..a5d42ca
--- /dev/null
+++ b/DEV4.5/app/src/main/java/com/example/choix/MainActivity.java
@@ -0,0 +1,15 @@
+package com.example.choix;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+import android.os.Bundle;
+import android.view.View;
+
+public class MainActivity extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+    }
+}
\ No newline at end of file
diff --git a/DEV4.5/app/src/main/java/com/example/choix/choixListener.java b/DEV4.5/app/src/main/java/com/example/choix/choixListener.java
new file mode 100644
index 0000000..37bc1e5
--- /dev/null
+++ b/DEV4.5/app/src/main/java/com/example/choix/choixListener.java
@@ -0,0 +1,19 @@
+package com.example.choix;
+
+import android.view.View;
+import android.widget.RadioGroup;
+
+public class choixListener implements View.OnClickListener {
+
+    private Choix choix;
+
+    public choixListener(Choix choix) {
+        super();
+        this.choix = choix;
+    }
+
+    @Override
+    public void onClick(View view) {
+        choix.invalidate();
+    }
+}
diff --git a/DEV4.5/app/src/main/res/drawable-v24/ic_launcher_foreground.xml b/DEV4.5/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
new file mode 100644
index 0000000..2b068d1
--- /dev/null
+++ b/DEV4.5/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>
\ No newline at end of file
diff --git a/DEV4.5/app/src/main/res/drawable/ic_launcher_background.xml b/DEV4.5/app/src/main/res/drawable/ic_launcher_background.xml
new file mode 100644
index 0000000..07d5da9
--- /dev/null
+++ b/DEV4.5/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>
diff --git a/DEV4.5/app/src/main/res/layout/activity_main.xml b/DEV4.5/app/src/main/res/layout/activity_main.xml
new file mode 100644
index 0000000..8cac9fe
--- /dev/null
+++ b/DEV4.5/app/src/main/res/layout/activity_main.xml
@@ -0,0 +1,57 @@
+<?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"
+    android:orientation="horizontal"
+    tools:context=".MainActivity">
+
+    <RadioGroup
+        android:layout_width="wrap_content"
+        android:layout_height="match_parent"
+        android:id="@+id/groupe">
+
+        <RadioButton
+            android:layout_weight="2"
+            android:layout_width="wrap_content"
+            android:layout_height="match_parent"
+            android:text="Croix"
+            android:id="@+id/croix"
+            />
+
+        <RadioButton
+            android:layout_weight="2"
+            android:layout_width="wrap_content"
+            android:layout_height="match_parent"
+            android:text="Carré"
+            android:id="@+id/carre"
+            />
+
+        <RadioButton
+            android:layout_weight="2"
+            android:layout_width="wrap_content"
+            android:layout_height="match_parent"
+            android:text="Rond"
+            android:id="@+id/rond"
+            />
+
+        <RadioButton
+            android:layout_weight="2"
+            android:layout_width="wrap_content"
+            android:layout_height="match_parent"
+            android:text="Triangle"
+            android:id="@+id/triangle"
+            />
+
+
+    </RadioGroup>
+
+    <com.example.choix.Choix
+        android:layout_gravity="center"
+        android:layout_width="305dp"
+        android:layout_height="371dp"
+        android:id="@+id/ZoneDeDessin"
+        />
+
+</LinearLayout>
\ No newline at end of file
diff --git a/DEV4.5/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml b/DEV4.5/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
new file mode 100644
index 0000000..6f3b755
--- /dev/null
+++ b/DEV4.5/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
@@ -0,0 +1,6 @@
+<?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" />
+    <monochrome android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>
\ No newline at end of file
diff --git a/DEV4.5/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml b/DEV4.5/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
new file mode 100644
index 0000000..6f3b755
--- /dev/null
+++ b/DEV4.5/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
@@ -0,0 +1,6 @@
+<?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" />
+    <monochrome android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>
\ No newline at end of file
diff --git a/DEV4.5/app/src/main/res/mipmap-hdpi/ic_launcher.webp b/DEV4.5/app/src/main/res/mipmap-hdpi/ic_launcher.webp
new file mode 100644
index 0000000..c209e78
Binary files /dev/null and b/DEV4.5/app/src/main/res/mipmap-hdpi/ic_launcher.webp differ
diff --git a/DEV4.5/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp b/DEV4.5/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp
new file mode 100644
index 0000000..b2dfe3d
Binary files /dev/null and b/DEV4.5/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp differ
diff --git a/DEV4.5/app/src/main/res/mipmap-mdpi/ic_launcher.webp b/DEV4.5/app/src/main/res/mipmap-mdpi/ic_launcher.webp
new file mode 100644
index 0000000..4f0f1d6
Binary files /dev/null and b/DEV4.5/app/src/main/res/mipmap-mdpi/ic_launcher.webp differ
diff --git a/DEV4.5/app/src/main/res/mipmap-mdpi/ic_launcher_round.webp b/DEV4.5/app/src/main/res/mipmap-mdpi/ic_launcher_round.webp
new file mode 100644
index 0000000..62b611d
Binary files /dev/null and b/DEV4.5/app/src/main/res/mipmap-mdpi/ic_launcher_round.webp differ
diff --git a/DEV4.5/app/src/main/res/mipmap-xhdpi/ic_launcher.webp b/DEV4.5/app/src/main/res/mipmap-xhdpi/ic_launcher.webp
new file mode 100644
index 0000000..948a307
Binary files /dev/null and b/DEV4.5/app/src/main/res/mipmap-xhdpi/ic_launcher.webp differ
diff --git a/DEV4.5/app/src/main/res/mipmap-xhdpi/ic_launcher_round.webp b/DEV4.5/app/src/main/res/mipmap-xhdpi/ic_launcher_round.webp
new file mode 100644
index 0000000..1b9a695
Binary files /dev/null and b/DEV4.5/app/src/main/res/mipmap-xhdpi/ic_launcher_round.webp differ
diff --git a/DEV4.5/app/src/main/res/mipmap-xxhdpi/ic_launcher.webp b/DEV4.5/app/src/main/res/mipmap-xxhdpi/ic_launcher.webp
new file mode 100644
index 0000000..28d4b77
Binary files /dev/null and b/DEV4.5/app/src/main/res/mipmap-xxhdpi/ic_launcher.webp differ
diff --git a/DEV4.5/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webp b/DEV4.5/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webp
new file mode 100644
index 0000000..9287f50
Binary files /dev/null and b/DEV4.5/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webp differ
diff --git a/DEV4.5/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp b/DEV4.5/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp
new file mode 100644
index 0000000..aa7d642
Binary files /dev/null and b/DEV4.5/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp differ
diff --git a/DEV4.5/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp b/DEV4.5/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp
new file mode 100644
index 0000000..9126ae3
Binary files /dev/null and b/DEV4.5/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp differ
diff --git a/DEV4.5/app/src/main/res/values-night/themes.xml b/DEV4.5/app/src/main/res/values-night/themes.xml
new file mode 100644
index 0000000..2572f68
--- /dev/null
+++ b/DEV4.5/app/src/main/res/values-night/themes.xml
@@ -0,0 +1,7 @@
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme. -->
+    <style name="Base.Theme.Choix" parent="Theme.Material3.DayNight.NoActionBar">
+        <!-- Customize your dark theme here. -->
+        <!-- <item name="colorPrimary">@color/my_dark_primary</item> -->
+    </style>
+</resources>
\ No newline at end of file
diff --git a/DEV4.5/app/src/main/res/values/colors.xml b/DEV4.5/app/src/main/res/values/colors.xml
new file mode 100644
index 0000000..c8524cd
--- /dev/null
+++ b/DEV4.5/app/src/main/res/values/colors.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="black">#FF000000</color>
+    <color name="white">#FFFFFFFF</color>
+</resources>
\ No newline at end of file
diff --git a/DEV4.5/app/src/main/res/values/strings.xml b/DEV4.5/app/src/main/res/values/strings.xml
new file mode 100644
index 0000000..7a4b769
--- /dev/null
+++ b/DEV4.5/app/src/main/res/values/strings.xml
@@ -0,0 +1,3 @@
+<resources>
+    <string name="app_name">Choix</string>
+</resources>
\ No newline at end of file
diff --git a/DEV4.5/app/src/main/res/values/themes.xml b/DEV4.5/app/src/main/res/values/themes.xml
new file mode 100644
index 0000000..5fd1716
--- /dev/null
+++ b/DEV4.5/app/src/main/res/values/themes.xml
@@ -0,0 +1,9 @@
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme. -->
+    <style name="Base.Theme.Choix" parent="Theme.Material3.DayNight.NoActionBar">
+        <!-- Customize your light theme here. -->
+        <!-- <item name="colorPrimary">@color/my_light_primary</item> -->
+    </style>
+
+    <style name="Theme.Choix" parent="Base.Theme.Choix" />
+</resources>
\ No newline at end of file
diff --git a/DEV4.5/app/src/main/res/xml/backup_rules.xml b/DEV4.5/app/src/main/res/xml/backup_rules.xml
new file mode 100644
index 0000000..fa0f996
--- /dev/null
+++ b/DEV4.5/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>
\ No newline at end of file
diff --git a/DEV4.5/app/src/main/res/xml/data_extraction_rules.xml b/DEV4.5/app/src/main/res/xml/data_extraction_rules.xml
new file mode 100644
index 0000000..9ee9997
--- /dev/null
+++ b/DEV4.5/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>
\ No newline at end of file
diff --git a/DEV4.5/app/src/test/java/com/example/choix/ExampleUnitTest.java b/DEV4.5/app/src/test/java/com/example/choix/ExampleUnitTest.java
new file mode 100644
index 0000000..31bb4ec
--- /dev/null
+++ b/DEV4.5/app/src/test/java/com/example/choix/ExampleUnitTest.java
@@ -0,0 +1,17 @@
+package com.example.choix;
+
+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);
+    }
+}
\ No newline at end of file
diff --git a/DEV4.5/build.gradle b/DEV4.5/build.gradle
new file mode 100644
index 0000000..a100ce0
--- /dev/null
+++ b/DEV4.5/build.gradle
@@ -0,0 +1,5 @@
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+plugins {
+    id 'com.android.application' version '8.0.2' apply false
+    id 'com.android.library' version '8.0.2' apply false
+}
\ No newline at end of file
diff --git a/DEV4.5/gradle.properties b/DEV4.5/gradle.properties
new file mode 100644
index 0000000..3e927b1
--- /dev/null
+++ b/DEV4.5/gradle.properties
@@ -0,0 +1,21 @@
+# Project-wide Gradle settings.
+# IDE (e.g. Android Studio) users:
+# Gradle settings configured through the IDE *will override*
+# any settings specified in this file.
+# For more details on how to configure your build environment visit
+# http://www.gradle.org/docs/current/userguide/build_environment.html
+# Specifies the JVM arguments used for the daemon process.
+# The setting is particularly useful for tweaking memory settings.
+org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8
+# When configured, Gradle will run in incubating parallel mode.
+# This option should only be used with decoupled projects. More details, visit
+# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
+# org.gradle.parallel=true
+# AndroidX package structure to make it clearer which packages are bundled with the
+# Android operating system, and which are packaged with your app's APK
+# https://developer.android.com/topic/libraries/support-library/androidx-rn
+android.useAndroidX=true
+# Enables namespacing of each library's R class so that its R class includes only the
+# resources declared in the library itself and none from the library's dependencies,
+# thereby reducing the size of the R class for that library
+android.nonTransitiveRClass=true
\ No newline at end of file
diff --git a/DEV4.5/gradle/wrapper/gradle-wrapper.jar b/DEV4.5/gradle/wrapper/gradle-wrapper.jar
new file mode 100644
index 0000000..e708b1c
Binary files /dev/null and b/DEV4.5/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/DEV4.5/gradle/wrapper/gradle-wrapper.properties b/DEV4.5/gradle/wrapper/gradle-wrapper.properties
new file mode 100644
index 0000000..6e3db08
--- /dev/null
+++ b/DEV4.5/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,6 @@
+#Thu Feb 08 15:26:46 CET 2024
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.0-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
diff --git a/DEV4.5/gradlew b/DEV4.5/gradlew
new file mode 100755
index 0000000..4f906e0
--- /dev/null
+++ b/DEV4.5/gradlew
@@ -0,0 +1,185 @@
+#!/usr/bin/env sh
+
+#
+# Copyright 2015 the original author or authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin or MSYS, switch paths to Windows format before running java
+if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=`expr $i + 1`
+    done
+    case $i in
+        0) set -- ;;
+        1) set -- "$args0" ;;
+        2) set -- "$args0" "$args1" ;;
+        3) set -- "$args0" "$args1" "$args2" ;;
+        4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=`save "$@"`
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+exec "$JAVACMD" "$@"
diff --git a/DEV4.5/gradlew.bat b/DEV4.5/gradlew.bat
new file mode 100644
index 0000000..ac1b06f
--- /dev/null
+++ b/DEV4.5/gradlew.bat
@@ -0,0 +1,89 @@
+@rem
+@rem Copyright 2015 the original author or authors.
+@rem
+@rem Licensed under the Apache License, Version 2.0 (the "License");
+@rem you may not use this file except in compliance with the License.
+@rem You may obtain a copy of the License at
+@rem
+@rem      https://www.apache.org/licenses/LICENSE-2.0
+@rem
+@rem Unless required by applicable law or agreed to in writing, software
+@rem distributed under the License is distributed on an "AS IS" BASIS,
+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem See the License for the specific language governing permissions and
+@rem limitations under the License.
+@rem
+
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Resolve any "." and ".." in APP_HOME to make it shorter.
+for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega
diff --git a/DEV4.5/settings.gradle b/DEV4.5/settings.gradle
new file mode 100644
index 0000000..0878fe4
--- /dev/null
+++ b/DEV4.5/settings.gradle
@@ -0,0 +1,16 @@
+pluginManagement {
+    repositories {
+        google()
+        mavenCentral()
+        gradlePluginPortal()
+    }
+}
+dependencyResolutionManagement {
+    repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
+    repositories {
+        google()
+        mavenCentral()
+    }
+}
+rootProject.name = "Choix"
+include ':app'