From abbc7c0a63e7b9facfe5541ee5cf0d6d714e95b8 Mon Sep 17 00:00:00 2001
From: Wamster <alexis.wamster@etu.u-pec.fr>
Date: Fri, 8 Mar 2024 16:35:02 +0100
Subject: [PATCH] quelques avancee sur l'ex2

---
 TP02/EX02Choix/.idea/gradle.xml               |  3 +-
 TP03/EX01_Fleche/.idea/gradle.xml             |  3 +-
 .../wamster/ex02fleche/MainActivity.java      |  1 +
 TP04/EX02_Grille/.idea/gradle.xml             |  3 +-
 TP05/EX02_ArcEnCiel/.idea/gradle.xml          |  1 +
 TP05/EX02_ArcEnCiel/.idea/misc.xml            |  3 +-
 TP05/EX02_ArcEnCiel/app/build.gradle          |  1 +
 .../wamster/tp05ex02_arcenciel/Activite2.java | 33 ++++++++
 .../tp05ex02_arcenciel/DetectClic.java        | 50 ++++++++++++
 .../EvenementBoutonChoix.java                 | 18 +++++
 .../EvenementBoutonValider.java               | 31 ++++++++
 .../tp05ex02_arcenciel/EvenementClic.java     | 20 +++++
 .../tp05ex02_arcenciel/ListeCouleur.java      | 61 +++++++++++++++
 .../tp05ex02_arcenciel/MainActivity.java      | 11 +++
 .../src/main/res/layout/activite_choix.xml    | 78 +++++++++++++++++++
 .../app/src/main/res/layout/activity_main.xml | 15 +++-
 16 files changed, 323 insertions(+), 9 deletions(-)
 create mode 100644 TP05/EX02_ArcEnCiel/app/src/main/java/fr/iutfbleau/dev45/wamster/tp05ex02_arcenciel/Activite2.java
 create mode 100644 TP05/EX02_ArcEnCiel/app/src/main/java/fr/iutfbleau/dev45/wamster/tp05ex02_arcenciel/DetectClic.java
 create mode 100644 TP05/EX02_ArcEnCiel/app/src/main/java/fr/iutfbleau/dev45/wamster/tp05ex02_arcenciel/EvenementBoutonChoix.java
 create mode 100644 TP05/EX02_ArcEnCiel/app/src/main/java/fr/iutfbleau/dev45/wamster/tp05ex02_arcenciel/EvenementBoutonValider.java
 create mode 100644 TP05/EX02_ArcEnCiel/app/src/main/java/fr/iutfbleau/dev45/wamster/tp05ex02_arcenciel/EvenementClic.java
 create mode 100644 TP05/EX02_ArcEnCiel/app/src/main/java/fr/iutfbleau/dev45/wamster/tp05ex02_arcenciel/ListeCouleur.java
 create mode 100644 TP05/EX02_ArcEnCiel/app/src/main/res/layout/activite_choix.xml

diff --git a/TP02/EX02Choix/.idea/gradle.xml b/TP02/EX02Choix/.idea/gradle.xml
index 0897082..59b02ee 100644
--- a/TP02/EX02Choix/.idea/gradle.xml
+++ b/TP02/EX02Choix/.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/TP03/EX01_Fleche/.idea/gradle.xml b/TP03/EX01_Fleche/.idea/gradle.xml
index 0897082..59b02ee 100644
--- a/TP03/EX01_Fleche/.idea/gradle.xml
+++ b/TP03/EX01_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/TP03/EX01_Fleche/app/src/main/java/fr/iutfbleau/dev45/wamster/ex02fleche/MainActivity.java b/TP03/EX01_Fleche/app/src/main/java/fr/iutfbleau/dev45/wamster/ex02fleche/MainActivity.java
index 77ee8a2..5210a68 100644
--- a/TP03/EX01_Fleche/app/src/main/java/fr/iutfbleau/dev45/wamster/ex02fleche/MainActivity.java
+++ b/TP03/EX01_Fleche/app/src/main/java/fr/iutfbleau/dev45/wamster/ex02fleche/MainActivity.java
@@ -16,6 +16,7 @@ public class MainActivity extends AppCompatActivity {
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
+
         this.img = this.findViewById(R.id.imageFleche);
         this.bouttonGauche = this.findViewById(R.id.boutonGauche);
         this.bouttonDroite = this.findViewById(R.id.boutonDroite);
diff --git a/TP04/EX02_Grille/.idea/gradle.xml b/TP04/EX02_Grille/.idea/gradle.xml
index 0897082..59b02ee 100644
--- a/TP04/EX02_Grille/.idea/gradle.xml
+++ b/TP04/EX02_Grille/.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/TP05/EX02_ArcEnCiel/.idea/gradle.xml b/TP05/EX02_ArcEnCiel/.idea/gradle.xml
index a9f4e52..a2d7c21 100644
--- a/TP05/EX02_ArcEnCiel/.idea/gradle.xml
+++ b/TP05/EX02_ArcEnCiel/.idea/gradle.xml
@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="GradleMigrationSettings" migrationVersion="1" />
   <component name="GradleSettings">
     <option name="linkedExternalProjectsSettings">
       <GradleProjectSettings>
diff --git a/TP05/EX02_ArcEnCiel/.idea/misc.xml b/TP05/EX02_ArcEnCiel/.idea/misc.xml
index 0ad17cb..773fe0f 100644
--- a/TP05/EX02_ArcEnCiel/.idea/misc.xml
+++ b/TP05/EX02_ArcEnCiel/.idea/misc.xml
@@ -1,7 +1,6 @@
-<?xml version="1.0" encoding="UTF-8"?>
 <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/TP05/EX02_ArcEnCiel/app/build.gradle b/TP05/EX02_ArcEnCiel/app/build.gradle
index 096b2ed..98be05b 100644
--- a/TP05/EX02_ArcEnCiel/app/build.gradle
+++ b/TP05/EX02_ArcEnCiel/app/build.gradle
@@ -26,6 +26,7 @@ android {
         sourceCompatibility JavaVersion.VERSION_1_8
         targetCompatibility JavaVersion.VERSION_1_8
     }
+    buildToolsVersion '34.0.0'
 }
 
 dependencies {
diff --git a/TP05/EX02_ArcEnCiel/app/src/main/java/fr/iutfbleau/dev45/wamster/tp05ex02_arcenciel/Activite2.java b/TP05/EX02_ArcEnCiel/app/src/main/java/fr/iutfbleau/dev45/wamster/tp05ex02_arcenciel/Activite2.java
new file mode 100644
index 0000000..a7fa802
--- /dev/null
+++ b/TP05/EX02_ArcEnCiel/app/src/main/java/fr/iutfbleau/dev45/wamster/tp05ex02_arcenciel/Activite2.java
@@ -0,0 +1,33 @@
+package fr.iutfbleau.dev45.wamster.tp05ex02_arcenciel;
+
+import android.os.Bundle;
+import android.widget.Button;
+import android.widget.CheckBox;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+public class Activite2 extends AppCompatActivity {
+    private CheckBox[] listeChoix;
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activite_choix);
+
+        this.listeChoix = new CheckBox[ListeCouleur.TAILLE_LISTE];
+        this.listeChoix[ListeCouleur.INDICE_ROUGE] = findViewById(R.id.coche_rouge);
+        this.listeChoix[ListeCouleur.INDICE_ORANGE] = findViewById(R.id.coche_orange);
+        this.listeChoix[ListeCouleur.INDICE_JAUNE] = findViewById(R.id.coche_jaune);
+        this.listeChoix[ListeCouleur.INDICE_VERT] = findViewById(R.id.coche_vert);
+        this.listeChoix[ListeCouleur.INDICE_BLEU] = findViewById(R.id.coche_bleu);
+        this.listeChoix[ListeCouleur.INDICE_INDIGO] = findViewById(R.id.coche_indigo);
+        this.listeChoix[ListeCouleur.INDICE_VIOLET] = findViewById(R.id.coche_violet);
+
+        EvenementBoutonValider evenementBoutonValider = new EvenementBoutonValider(this);
+        Button boutonValider = findViewById(R.id.bouton_valider);
+        boutonValider.setOnClickListener(evenementBoutonValider);
+    }
+
+    public CheckBox[] getListeCoche(){
+        return this.listeChoix;
+    }
+}
diff --git a/TP05/EX02_ArcEnCiel/app/src/main/java/fr/iutfbleau/dev45/wamster/tp05ex02_arcenciel/DetectClic.java b/TP05/EX02_ArcEnCiel/app/src/main/java/fr/iutfbleau/dev45/wamster/tp05ex02_arcenciel/DetectClic.java
new file mode 100644
index 0000000..e3231d3
--- /dev/null
+++ b/TP05/EX02_ArcEnCiel/app/src/main/java/fr/iutfbleau/dev45/wamster/tp05ex02_arcenciel/DetectClic.java
@@ -0,0 +1,50 @@
+package fr.iutfbleau.dev45.wamster.tp05ex02_arcenciel;
+
+import android.util.Log;
+import android.view.GestureDetector;
+import android.view.MotionEvent;
+import android.view.View;
+
+public class DetectClic extends GestureDetector.SimpleOnGestureListener{
+    private long tempsPression;
+    private static final int LONG_PRESS_TIME = 500;
+    private View view;
+    private ListeCouleur gestionCouleur;
+
+    public DetectClic(View view){
+        this.view = view;
+        this.gestionCouleur = new ListeCouleur();
+    }
+
+    @Override
+    public boolean onDown(MotionEvent e) {
+        this.tempsPression = System.currentTimeMillis();
+        return true;
+    }
+    @Override
+    public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
+        Log.v("test","Fling");
+        return true;
+    }
+
+    @Override
+    public boolean onSingleTapConfirmed(MotionEvent e) {
+        if (System.currentTimeMillis() - this.tempsPression < DetectClic.LONG_PRESS_TIME) {
+            this.view.setBackgroundColor(this.gestionCouleur.couleurSuivante());
+            Log.v("test","Single Tap");
+            return true;
+        }
+        return false;
+    }
+
+    @Override
+    public boolean onDoubleTap(MotionEvent e) {
+        Log.v("test","Double Tap");
+        return true;
+    }
+
+    @Override
+    public void onLongPress(MotionEvent e) {
+        Log.v("test","Long Press");
+    }
+}
diff --git a/TP05/EX02_ArcEnCiel/app/src/main/java/fr/iutfbleau/dev45/wamster/tp05ex02_arcenciel/EvenementBoutonChoix.java b/TP05/EX02_ArcEnCiel/app/src/main/java/fr/iutfbleau/dev45/wamster/tp05ex02_arcenciel/EvenementBoutonChoix.java
new file mode 100644
index 0000000..74a503a
--- /dev/null
+++ b/TP05/EX02_ArcEnCiel/app/src/main/java/fr/iutfbleau/dev45/wamster/tp05ex02_arcenciel/EvenementBoutonChoix.java
@@ -0,0 +1,18 @@
+package fr.iutfbleau.dev45.wamster.tp05ex02_arcenciel;
+
+import android.content.Intent;
+import android.view.View;
+
+public class EvenementBoutonChoix implements View.OnClickListener {
+
+    private MainActivity mainActivity;
+
+    public EvenementBoutonChoix(MainActivity mainActivity){
+        this.mainActivity = mainActivity;
+    }
+    @Override
+    public void onClick(View v){
+        Intent intention = new Intent(this.mainActivity, Activite2.class);
+        this.mainActivity.startActivity(intention);
+    }
+}
diff --git a/TP05/EX02_ArcEnCiel/app/src/main/java/fr/iutfbleau/dev45/wamster/tp05ex02_arcenciel/EvenementBoutonValider.java b/TP05/EX02_ArcEnCiel/app/src/main/java/fr/iutfbleau/dev45/wamster/tp05ex02_arcenciel/EvenementBoutonValider.java
new file mode 100644
index 0000000..801586f
--- /dev/null
+++ b/TP05/EX02_ArcEnCiel/app/src/main/java/fr/iutfbleau/dev45/wamster/tp05ex02_arcenciel/EvenementBoutonValider.java
@@ -0,0 +1,31 @@
+package fr.iutfbleau.dev45.wamster.tp05ex02_arcenciel;
+
+import android.content.Intent;
+import android.view.View;
+import android.widget.CheckBox;
+
+public class EvenementBoutonValider implements View.OnClickListener {
+
+    private Activite2 activite2;
+
+    public EvenementBoutonValider(Activite2 activite2){
+        this.activite2 = activite2;
+    }
+
+    @Override
+    public void onClick(View v){
+        boolean[] etatCoche = this.getEtatCoche();
+        Intent intention = new Intent(this.activite2, MainActivity.class);
+        this.activite2.startActivity(intention);
+    }
+
+    public boolean[] getEtatCoche(){
+        CheckBox[] listeCoche = this.activite2.getListeCoche();
+        boolean[] listeEtatCoche = new boolean[listeCoche.length];
+        int i;
+        for (i=0; i<listeEtatCoche.length; i++){
+            listeEtatCoche[i] = listeCoche[i].isChecked();
+        }
+        return listeEtatCoche;
+    }
+}
diff --git a/TP05/EX02_ArcEnCiel/app/src/main/java/fr/iutfbleau/dev45/wamster/tp05ex02_arcenciel/EvenementClic.java b/TP05/EX02_ArcEnCiel/app/src/main/java/fr/iutfbleau/dev45/wamster/tp05ex02_arcenciel/EvenementClic.java
new file mode 100644
index 0000000..6eba9b4
--- /dev/null
+++ b/TP05/EX02_ArcEnCiel/app/src/main/java/fr/iutfbleau/dev45/wamster/tp05ex02_arcenciel/EvenementClic.java
@@ -0,0 +1,20 @@
+package fr.iutfbleau.dev45.wamster.tp05ex02_arcenciel;
+
+import android.view.GestureDetector;
+import android.view.MotionEvent;
+import android.view.View;
+
+public class EvenementClic implements View.OnTouchListener{
+
+    private GestureDetector gestureDetector;
+    private DetectClic listener;
+    public EvenementClic(View view) {
+        this.listener = new DetectClic(view);
+        gestureDetector = new GestureDetector(this.listener);
+    }
+
+    @Override
+    public boolean onTouch(View v, MotionEvent event) {
+        return gestureDetector.onTouchEvent(event);
+    }
+}
diff --git a/TP05/EX02_ArcEnCiel/app/src/main/java/fr/iutfbleau/dev45/wamster/tp05ex02_arcenciel/ListeCouleur.java b/TP05/EX02_ArcEnCiel/app/src/main/java/fr/iutfbleau/dev45/wamster/tp05ex02_arcenciel/ListeCouleur.java
new file mode 100644
index 0000000..0922ae8
--- /dev/null
+++ b/TP05/EX02_ArcEnCiel/app/src/main/java/fr/iutfbleau/dev45/wamster/tp05ex02_arcenciel/ListeCouleur.java
@@ -0,0 +1,61 @@
+package fr.iutfbleau.dev45.wamster.tp05ex02_arcenciel;
+
+public class ListeCouleur {
+    public final static int INDICE_ROUGE = 0;
+    public final static int INDICE_ORANGE = 1;
+    public final static int INDICE_JAUNE = 2;
+    public final static int INDICE_VERT = 3;
+    public final static int INDICE_BLEU = 4;
+    public final static int INDICE_INDIGO = 5;
+    public final static int INDICE_VIOLET = 6;
+    public final static int TAILLE_LISTE = 7;
+    private int indexColor;
+    private boolean [] couleurValide;
+    private final static int[] listeCouleur = {
+            0xfff00020,
+            0xffff7f00,
+            0xfffdfd96,
+            0xff00561b,
+            0xff0080ff,
+            0xff4b0082,
+            0xff7f00ff
+    };
+    public ListeCouleur(){
+        this.indexColor = 0;
+        this.setValideCouleurTrue();
+    }
+
+    public ListeCouleur(boolean[] etatCouleur){
+        this.indexColor = 0;
+        if (!this.setValideCouleur(etatCouleur)){
+            this.setValideCouleurTrue();
+        }
+    }
+
+    public int couleurSuivante(){
+        int i;
+        for (i=0; i<ListeCouleur.listeCouleur.length; i++){
+            this.indexColor = (this.indexColor+1)%ListeCouleur.listeCouleur.length;
+            if (this.couleurValide[this.indexColor] == false){
+                return ListeCouleur.listeCouleur[this.indexColor];
+            }
+        }
+        return 0x00000000;
+    }
+
+    public boolean setValideCouleur(boolean[] nouvelEtat){
+        if (nouvelEtat.length == ListeCouleur.listeCouleur.length){
+            this.couleurValide = nouvelEtat;
+            return true;
+        }
+        return false;
+    }
+
+    public void setValideCouleurTrue(){
+        this.couleurValide = new boolean[ListeCouleur.listeCouleur.length];
+        int i;
+        for (i=0; i<ListeCouleur.listeCouleur.length; i++){
+            this.couleurValide[i] = true;
+        }
+    }
+}
diff --git a/TP05/EX02_ArcEnCiel/app/src/main/java/fr/iutfbleau/dev45/wamster/tp05ex02_arcenciel/MainActivity.java b/TP05/EX02_ArcEnCiel/app/src/main/java/fr/iutfbleau/dev45/wamster/tp05ex02_arcenciel/MainActivity.java
index cdb88b2..85ea7ec 100644
--- a/TP05/EX02_ArcEnCiel/app/src/main/java/fr/iutfbleau/dev45/wamster/tp05ex02_arcenciel/MainActivity.java
+++ b/TP05/EX02_ArcEnCiel/app/src/main/java/fr/iutfbleau/dev45/wamster/tp05ex02_arcenciel/MainActivity.java
@@ -3,6 +3,8 @@ package fr.iutfbleau.dev45.wamster.tp05ex02_arcenciel;
 import androidx.appcompat.app.AppCompatActivity;
 
 import android.os.Bundle;
+import android.view.View;
+import android.widget.Button;
 
 public class MainActivity extends AppCompatActivity {
 
@@ -10,5 +12,14 @@ public class MainActivity extends AppCompatActivity {
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
+
+        View arrierePlan = findViewById(R.id.arrierePlan);
+        Button bouton = findViewById(R.id.bouton);
+
+        EvenementClic evenementClic = new EvenementClic(arrierePlan);
+        EvenementBoutonChoix evenementBoutonChoix = new EvenementBoutonChoix(this);
+
+        arrierePlan.setOnTouchListener(evenementClic);
+        bouton.setOnClickListener(evenementBoutonChoix);
     }
 }
\ No newline at end of file
diff --git a/TP05/EX02_ArcEnCiel/app/src/main/res/layout/activite_choix.xml b/TP05/EX02_ArcEnCiel/app/src/main/res/layout/activite_choix.xml
new file mode 100644
index 0000000..1dcbcc5
--- /dev/null
+++ b/TP05/EX02_ArcEnCiel/app/src/main/res/layout/activite_choix.xml
@@ -0,0 +1,78 @@
+<?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">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="vertical">
+
+        <CheckBox
+            android:id="@+id/coche_rouge"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="Rouge"/>
+
+        <CheckBox
+            android:id="@+id/coche_orange"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="Orange"/>
+
+        <CheckBox
+            android:id="@+id/coche_jaune"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="Jaune"/>
+
+        <CheckBox
+            android:id="@+id/coche_vert"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="Vert"/>
+
+        <CheckBox
+            android:id="@+id/coche_bleu"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="Bleu"/>
+
+        <CheckBox
+            android:id="@+id/coche_indigo"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="Indigo"/>
+
+        <CheckBox
+            android:id="@+id/coche_violet"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="Violet"/>
+
+    </LinearLayout>
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:orientation="horizontal"
+        android:gravity="center_horizontal">
+
+        <Button
+            android:id="@+id/bouton_valider"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="Valider"
+            android:layout_marginEnd="8dp"/>
+
+        <Button
+            android:id="@+id/bouton_annuler"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="Annuler"
+            android:layout_marginStart="8dp"/>
+
+    </LinearLayout>
+
+</LinearLayout>
\ No newline at end of file
diff --git a/TP05/EX02_ArcEnCiel/app/src/main/res/layout/activity_main.xml b/TP05/EX02_ArcEnCiel/app/src/main/res/layout/activity_main.xml
index 43d46b7..80f411d 100644
--- a/TP05/EX02_ArcEnCiel/app/src/main/res/layout/activity_main.xml
+++ b/TP05/EX02_ArcEnCiel/app/src/main/res/layout/activity_main.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<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"
@@ -7,12 +7,19 @@
     tools:context=".MainActivity">
 
     <View
+        android:id="@+id/arrierePlan"
         android:layout_width="match_parent"
-        android:layout_height="match_parent" />
+        android:layout_height="match_parent"
+        android:background="#fff00020"/>
 
     <Button
+        android:id="@+id/bouton"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:text="Sélection"/>
+        android:text="Sélection"
+        android:layout_alignParentBottom="true"
+        android:layout_centerHorizontal="true"
+        android:layout_marginBottom="50dp" />
+    />
 
-</LinearLayout>
\ No newline at end of file
+</RelativeLayout>
\ No newline at end of file