diff --git a/.gradle/7.4/checksums/checksums.lock b/.gradle/7.4/checksums/checksums.lock
index 09260ba..a47ccba 100644
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diff --git a/.gradle/7.4/checksums/md5-checksums.bin b/.gradle/7.4/checksums/md5-checksums.bin
index 05dbc4a..2aa23a1 100644
Binary files a/.gradle/7.4/checksums/md5-checksums.bin and b/.gradle/7.4/checksums/md5-checksums.bin differ
diff --git a/.gradle/7.4/checksums/sha1-checksums.bin b/.gradle/7.4/checksums/sha1-checksums.bin
index 2880b0c..4d26379 100644
Binary files a/.gradle/7.4/checksums/sha1-checksums.bin and b/.gradle/7.4/checksums/sha1-checksums.bin differ
diff --git a/.gradle/7.4/fileHashes/fileHashes.lock b/.gradle/7.4/fileHashes/fileHashes.lock
index 2e21c12..bf2326c 100644
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diff --git a/.gradle/buildOutputCleanup/buildOutputCleanup.lock b/.gradle/buildOutputCleanup/buildOutputCleanup.lock
index 4fdb9e5..5c3b5a3 100644
Binary files a/.gradle/buildOutputCleanup/buildOutputCleanup.lock and b/.gradle/buildOutputCleanup/buildOutputCleanup.lock differ
diff --git a/.gradle/buildOutputCleanup/outputFiles.bin b/.gradle/buildOutputCleanup/outputFiles.bin
index 6ea0f4f..a2ba663 100644
Binary files a/.gradle/buildOutputCleanup/outputFiles.bin and b/.gradle/buildOutputCleanup/outputFiles.bin differ
diff --git a/app/build.gradle b/app/build.gradle
index 7822f06..491ec5b 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -34,10 +34,19 @@ android {
 
 dependencies {
 
+    def nav_version = "2.5.3"
+
     implementation 'androidx.core:core-ktx:1.7.0'
     implementation 'androidx.appcompat:appcompat:1.6.1'
     implementation 'com.google.android.material:material:1.8.0'
     testImplementation 'junit:junit:4.13.2'
     androidTestImplementation 'androidx.test.ext:junit:1.1.5'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'
+
+    implementation "androidx.navigation:navigation-fragment-ktx:$nav_version"
+    implementation "androidx.navigation:navigation-ui-ktx:$nav_version"
+
+    implementation 'com.google.android.material:material:1.3.0-alpha03'
+
+
 }
\ No newline at end of file
diff --git a/app/src/main/res/layout/main_activity.xml b/app/src/main/res/layout/main_activity.xml
index 4b28a74..7bb9a76 100644
--- a/app/src/main/res/layout/main_activity.xml
+++ b/app/src/main/res/layout/main_activity.xml
@@ -1,5 +1,64 @@
 <?xml version="1.0" encoding="utf-8"?>
 <androidx.constraintlayout.widget.ConstraintLayout 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"/>
\ No newline at end of file
+    android:layout_height="match_parent">
+
+    <LinearLayout
+        android:id="@+id/linearLayout"
+        android:layout_width="409dp"
+        android:layout_height="50dp"
+        android:orientation="horizontal"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent">
+
+        <Button
+            android:id="@+id/button"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:text="Button" />
+
+        <Button
+            android:id="@+id/button2"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:text="Home" />
+
+        <Button
+            android:id="@+id/button3"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:text="Goto" />
+    </LinearLayout>
+
+    <TextView
+        android:id="@+id/textView"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="@string/page_de_depart"
+        app:layout_constraintBottom_toTopOf="@+id/linearLayout"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+
+<!--    <androidx.fragment.app.FragmentContainerView-->
+<!--        android:id="@+id/nav_host_fragment"-->
+<!--        android:name="androidx.navigation.fragment.NavHostFragment"-->
+<!--        android:layout_width="0dp"-->
+<!--        android:layout_height="0dp"-->
+<!--        app:layout_constraintLeft_toLeftOf="parent"-->
+<!--        app:layout_constraintRight_toRightOf="parent"-->
+<!--        app:layout_constraintTop_toTopOf="parent"-->
+<!--        app:layout_constraintBottom_toBottomOf="parent"-->
+
+<!--        app:defaultNavHost="true"-->
+<!--        app:navGraph="@navigation/nav_graph" />-->
+    
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/navigation/nav_graph.xml b/app/src/main/res/navigation/nav_graph.xml
new file mode 100644
index 0000000..8e0008b
--- /dev/null
+++ b/app/src/main/res/navigation/nav_graph.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<navigation xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:id="@+id/nav_graph">
+
+</navigation>
\ No newline at end of file
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index fd9e626..e937f5f 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -1,3 +1,5 @@
 <resources>
     <string name="app_name">Pierre&amp;Pierre</string>
+    <string name="page_de_depart">Page de départ</string>
+
 </resources>
\ No newline at end of file