fix: fix back button over item, print item names on two lines and update default item list

app/build.gradle

@@ -10,8 +10,8 @@ android {
         applicationId "com.stock.pignon"
         minSdkVersion 17
         targetSdkVersion 36
-        versionCode 5
+        versionCode 7
-        versionName "0.5.0"
+        versionName "0.5.2"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }

app/src/main/assets/pieces.json

@@ -8,10 +8,11 @@
       "bgColor": "#FF0000",
       "textColor": "#000000",
       "items": [
+        {"name": "Vélo", "minPrice": 20, "maxPrice": 40, "image": "velo"},
         {"name": "Cadre", "minPrice": 20, "maxPrice": 40, "image": "cadre"},
         {"name": "Selle", "minPrice": 1, "maxPrice": 7, "image": "selle"},
-        {"name": "Tige de selle", "minPrice": 1, "maxPrice": 10, "image": "tigeselle"},
+        {"name": "Tige de selle", "minPrice": 1, "maxPrice": 10, "image": "tige_selle"},
-        {"name": "Collier de selle", "minPrice": 1, "maxPrice": 4, "image": "collierselle"}
+        {"name": "Collier de selle", "minPrice": 1, "maxPrice": 4, "image": "collier_selle"}
       ]
     },
     {
@@ -20,10 +21,14 @@
       "textColor": "#000000",
       "items": [
         {"name": "Fourche", "minPrice": 10, "maxPrice": 20, "image": "fourche"},
-        {"name": "Jeu de direction", "minPrice": 1, "maxPrice": 8, "image": "jeudirection"},
+        {"name": "Fourche suspendue", "minPrice": 10, "maxPrice": 20, "image": "fourche_suspendue"},
-        {"name": "Potence headset", "minPrice": 2, "maxPrice": 8, "image": "potenceheadset"},
+        {"name": "Roulement direction", "minPrice": 1, "maxPrice": 8, "image": "roulement_direction"},
-        {"name": "Potence plongeur", "minPrice": 2, "maxPrice": 8, "image": "potenceplongeur"},
+        {"name": "Jeu de direction", "minPrice": 1, "maxPrice": 8, "image": "jeu_direction"},
-        {"name": "Tige plongeur", "minPrice": 1, "maxPrice": 4, "image": "tigeplongeur"}
+        {"name": "Potence headset", "minPrice": 2, "maxPrice": 8, "image": "potence_headset"},
+        {"name": "Potence headset réglable", "minPrice": 2, "maxPrice": 8, "image": "potence_headset_reglable"},
+        {"name": "Potence plongeur", "minPrice": 2, "maxPrice": 8, "image": "potence_plongeur"},
+        {"name": "Potence plongeur réglable", "minPrice": 2, "maxPrice": 8, "image": "potence_plongeur_reglable"},
+        {"name": "Tige plongeur", "minPrice": 1, "maxPrice": 4, "image": "tige_plongeur"}
       ]
     },
     {
@@ -31,13 +36,14 @@
       "bgColor": "#F16000",
       "textColor": "#000000",
       "items": [
-        {"name": "Poignée combo", "minPrice": 2, "maxPrice": 8, "image": "poigneecombo"},
+        {"name": "Poignée combo", "minPrice": 2, "maxPrice": 8, "image": "poignee_combo"},
-        {"name": "Poignée frein", "minPrice": 2, "maxPrice": 8, "image": "poigneefrein"},
+        {"name": "Poignée frein", "minPrice": 2, "maxPrice": 8, "image": "poignee_frein"},
-        {"name": "Poignée gachette", "minPrice": 2, "maxPrice": 8, "image": "poigneegachette"},
+        {"name": "Poignée gachette", "minPrice": 2, "maxPrice": 8, "image": "poignee_gachette"},
-        {"name": "Poignée tournante", "minPrice": 2, "maxPrice": 6, "image": "poigneetournante"},
+        {"name": "Poignée tournante", "minPrice": 2, "maxPrice": 6, "image": "poignee_tournante"},
+        {"name": "Manette cadre", "minPrice": 2, "maxPrice": 6, "image": "manette_cadre"},
         {"name": "Gaine", "minPrice": 0, "maxPrice": 2, "image": "gaine"},
         {"name": "Câble", "minPrice": 0, "maxPrice": 1, "image": "cable"},
-        {"name": "Poignée", "minPrice": 1, "maxPrice": 4, "image": "poignees"},
+        {"name": "Poignée", "minPrice": 1, "maxPrice": 4, "image": "poignee"},
         {"name": "Cintre", "minPrice": 5, "maxPrice": 10,"image": "cintre"}
       ]
     },
@@ -46,11 +52,15 @@
       "bgColor": "#FF00FF",
       "textColor": "#000000",
       "items": [
-        {"name": "Étrier patin", "minPrice": 2, "maxPrice": 8, "image": "etrierpatin"},
+        {"name": "Étrier V-brake", "minPrice": 2, "maxPrice": 8, "image": "etrier_vbrake"},
-        {"name": "Étrier disque", "minPrice": 2, "maxPrice": 8, "image": "etrierdisque"},
+        {"name": "Étrier Cantilever", "minPrice": 2, "maxPrice": 8, "image": "etrier_cantilever"},
+        {"name": "Étrier Caliper ou Mafac", "minPrice": 2, "maxPrice": 8, "image": "etrier_mafac_caliper"},
+        {"name": "Étrier disque câble", "minPrice": 2, "maxPrice": 8, "image": "etrier_cable"},
+        {"name": "Étrier disque hydraulique", "minPrice": 2, "maxPrice": 8, "image": "etrier_hydraulique"},
         {"name": "Patins", "minPrice": 1, "maxPrice": 2, "image": "patins"},
         {"name": "Disque", "minPrice": 1, "maxPrice": 5, "image": "disque"},
-        {"name": "Visserie frein", "minPrice": 0, "maxPrice": 1, "image": "visseriefrein"}
+        {"name": "Pont central cantilever", "minPrice": 0, "maxPrice": 1, "image": "frein_pontcentral"},
+        {"name": "Visserie frein", "minPrice": 0, "maxPrice": 1, "image": "visserie_frein"}
       ]
     },
     {
@@ -58,15 +68,23 @@
       "bgColor": "#0000FF",
       "textColor": "#FFFFFF",
       "items": [
-        {"name": "Roue avant", "minPrice": 20, "maxPrice": 40, "image": "roueavant"},
+        {"name": "Chambre à air", "minPrice": 20, "maxPrice": 40, "image": "chambre_air"},
-        {"name": "Roue arrière", "minPrice": 20, "maxPrice": 40, "image": "rouearriere"},
+        {"name": "Roue avant", "minPrice": 20, "maxPrice": 40, "image": "roue_avant"},
-        {"name": "Axe rapide", "minPrice": 1, "maxPrice": 2, "image": "axerapide"},
+        {"name": "Roue arrière", "minPrice": 20, "maxPrice": 40, "image": "roue_arriere"},
-        {"name": "Axe roue", "minPrice": 1, "maxPrice": 3, "image": "axeroue"},
+        {"name": "Axe rapide", "minPrice": 1, "maxPrice": 2, "image": "axe_rapide"},
+        {"name": "Axe roue", "minPrice": 1, "maxPrice": 3, "image": "axe_roue"},
         {"name": "Rayon", "minPrice": 0, "maxPrice": 2, "image": "rayon"},
-        {"name": "Moyeu avant", "minPrice": 2, "maxPrice": 8, "image": "moyeuavant"},
+        {"name": "Jante", "minPrice": 0, "maxPrice": 2, "image": "jante"},
-        {"name": "Moyeu arrière", "minPrice": 2, "maxPrice": 10, "image": "moyeuarriere"},
+        {"name": "Fond de jante", "minPrice": 0, "maxPrice": 2, "image": "fond_jante"},
-        {"name": "Pneu", "minPrice": 10, "maxPrice": 20, "image": "pneu"},
+        {"name": "Moyeu avant", "minPrice": 2, "maxPrice": 8, "image": "moyeu_avant"},
-        {"name": "Visserie roue", "minPrice": 0, "maxPrice": 1, "image": "visserieroue"}
+        {"name": "Moyeu arrière cassette", "minPrice": 2, "maxPrice": 10, "image": "moyeu_arriere_cassette"},
+        {"name": "Moyeu arrière roue libre", "minPrice": 2, "maxPrice": 10, "image": "moyeu_arriere_rouelibre"},
+        {"name": "Moyeu arrière rétropédalage", "minPrice": 2, "maxPrice": 10, "image": "moyeu_retropedalage"},
+        {"name": "Pneu petite taille", "minPrice": 10, "maxPrice": 20, "image": "pneu_petit"},
+        {"name": "Pneu 26\"", "minPrice": 10, "maxPrice": 20, "image": "pneu_26"},
+        {"name": "Pneu 28\" route", "minPrice": 10, "maxPrice": 20, "image": "pneu_route"},
+        {"name": "Pneu 28\" large", "minPrice": 10, "maxPrice": 20, "image": "pneu_large"},
+        {"name": "Visserie roue", "minPrice": 0, "maxPrice": 1, "image": "visserie_roue"}
       ]
     },
     {
@@ -74,12 +92,13 @@
       "bgColor": "#FFCC00",
       "textColor": "#000000",
       "items": [
-        {"name": "Dérailleur avant", "minPrice": 2, "maxPrice": 10, "image": "fd"},
+        {"name": "Dérailleur arrière", "minPrice": 2, "maxPrice": 10, "image": "derailleur_arriere"},
-        {"name": "Dérailleur arrière", "minPrice": 4, "maxPrice": 12, "image": "rd"},
+        {"name": "Dérailleur avant tirage bas", "minPrice": 4, "maxPrice": 12, "image": "derailleur_avant_tiragebas"},
+        {"name": "Dérailleur avant tirage haut", "minPrice": 4, "maxPrice": 12, "image": "derailleur_avant_tiragebas"},
         {"name": "Cassette", "minPrice": 2, "maxPrice": 6, "image": "cassette"},
-        {"name": "Roue libre", "minPrice": 2, "maxPrice": 6, "image": "rouelibre"},
+        {"name": "Roue libre", "minPrice": 2, "maxPrice": 6, "image": "roue_libre"},
         {"name": "Chaîne", "minPrice": 2, "maxPrice": 6, "image": "chaine"},
-        {"name": "Visserie transmission", "minPrice": 0, "maxPrice": 1, "image": "visserietransmission"}
+        {"name": "Visserie transmission", "minPrice": 0, "maxPrice": 1, "image": "visserie_transmission"}
       ]
     },
     {
@@ -87,13 +106,17 @@
       "bgColor": "#00FFFF",
       "textColor": "#000000",
       "items": [
-        {"name": "Boîtier pédalier", "minPrice": 4, "maxPrice": 12, "image": "boitierpedalier"},
+        {"name": "Axe pédalier carré ou clavette", "minPrice": 4, "maxPrice": 12, "image": "axe_pedalier"},
-        {"name": "Manivelle gauche", "minPrice": 4, "maxPrice": 12, "image": "manivellegauche"},
+        {"name": "Roulement pédalier", "minPrice": 4, "maxPrice": 12, "image": "roulement_pedalier"},
-        {"name": "Manivelle droite", "minPrice": 4, "maxPrice": 12, "image": "manivelledroite"},
+        {"name": "Boîtier pédalier cartouche", "minPrice": 4, "maxPrice": 12, "image": "boitier_cartouche"},
-        {"name": "Pédalier complet", "minPrice": 6, "maxPrice": 15, "image": "pedaliercomplet"},
+        {"name": "Boîtier pédalier Hollowtech 2", "minPrice": 4, "maxPrice": 12, "image": "boitier_hollowtech"},
+        {"name": "Manivelle gauche", "minPrice": 4, "maxPrice": 12, "image": "manivelle_gauche"},
+        {"name": "Manivelle droite", "minPrice": 4, "maxPrice": 12, "image": "manivelle_droite"},
+        {"name": "Pédalier complet", "minPrice": 6, "maxPrice": 15, "image": "pedalier_complet"},
         {"name": "Pédales", "minPrice": 2, "maxPrice": 8, "image": "pedales"},
-        {"name": "Plateau", "minPrice": 2, "maxPrice": 8, "image": "plateau"},
+        {"name": "Plateau 4 branches", "minPrice": 2, "maxPrice": 8, "image": "plateau_4"},
-        {"name": "Visserie pédalier", "minPrice": 0, "maxPrice": 1, "image": "visseriepedalier"}
+        {"name": "Plateau 5 branches", "minPrice": 2, "maxPrice": 8, "image": "plateau_5"},
+        {"name": "Visserie pédalier", "minPrice": 0, "maxPrice": 1, "image": "visserie_pedalier"}
       ]
     },
     {
@@ -102,10 +125,13 @@
       "textColor": "#000000",
       "items": [
         {"name": "Béquille", "minPrice": 2, "maxPrice": 8, "image": "bequille"},
-        {"name": "Garde boue", "minPrice": 2, "maxPrice": 8, "image": "gardeboue"},
+        {"name": "Garde boue", "minPrice": 2, "maxPrice": 8, "image": "garde_boue"},
         {"name": "Lampe", "minPrice": 1, "maxPrice": 5, "image": "lampe"},
-        {"name": "Porte bagage", "minPrice": 2, "maxPrice": 10, "image": "portebagage"},
+        {"name": "Porte bagage", "minPrice": 2, "maxPrice": 10, "image": "porte_bagage"},
-        {"name": "Porte bidon", "minPrice": 0, "maxPrice": 1, "image": "portebidon"}
+        {"name": "Porte bidon", "minPrice": 0, "maxPrice": 1, "image": "porte_bidon"},
+        {"name": "Pompe", "minPrice": 0, "maxPrice": 1, "image": "pompe"},
+        {"name": "Panier", "minPrice": 0, "maxPrice": 1, "image": "panier"},
+        {"name": "Rétroviseur", "minPrice": 0, "maxPrice": 1, "image": "retroviseur"}
       ]
     }
   ]

app/src/main/java/com/stock/pignon/CartViewHelper.java

@@ -22,16 +22,9 @@ import java.util.List;
 public class CartViewHelper {
 
     /**
-     * Short version for app resume : update without changing validate/back button state
+     * Refreshes cart UI by synchronizing the visual list with the current CartManager state
      */
     public static void updateCartView(LinearLayout cartList, Context context) {
-        updateCartView(cartList, context, false, false);
-    }
-
-    /**
-     * Full version with validate/back button management
-     */
-    public static void updateCartView(LinearLayout cartList, Context context, boolean updateButton, boolean isHome) {
         if (cartList == null) return;
 
         // Clean item lists
@@ -60,11 +53,6 @@ public class CartViewHelper {
             }
             updateTotalDisplay(context, totalMin, totalMax);
         }
-
-        // Update validate/back button
-        if (updateButton && context instanceof MainActivity) {
-            ((MainActivity) context).updateActionButton(isHome);
-        }
     }
 
     /**

app/src/main/java/com/stock/pignon/MainActivity.java

@@ -12,6 +12,7 @@ import android.widget.Button;
 import android.widget.GridLayout;
 import android.widget.ImageView;
 import android.widget.LinearLayout;
+import android.widget.FrameLayout;
 import android.widget.TextView;
 import android.os.Environment;
 import java.io.File;
@@ -35,7 +36,7 @@ public class MainActivity extends AppCompatActivity {
     // UI components
     private LinearLayout cartList;
     private LinearLayout homeLayout;
-    private LinearLayout categoryItemsLayout;
+    private FrameLayout categoryItemsLayout;
     private LinearLayout categoriesLayout;
     private GridLayout gridPieces;
     private ImageView mainImage;
@@ -93,7 +94,7 @@ public class MainActivity extends AppCompatActivity {
             server.start();
             String url = "http://" + getDeviceIP() + ":8080";
 
-            // On met l'URL directement dans le sous-titre de l'ActionBar
+            // Print URL in action bar for user
             if (getSupportActionBar() != null) {
                 getSupportActionBar().setSubtitle("Serveur en ligne : " + url + " - " + versionName);
             }
@@ -103,6 +104,24 @@ public class MainActivity extends AppCompatActivity {
                 getSupportActionBar().setSubtitle("Erreur serveur" + " - " + versionName);
             }
         }
+
+        // Back button (blue)
+        Button btnBack = findViewById(R.id.btnBackFromCategory);
+        if (btnBack != null) {
+            btnBack.setOnClickListener(v -> showHome());
+        }
+
+        // Empty button (red)
+        Button btnClear = findViewById(R.id.clearCartBtn);
+        if (btnClear != null) {
+            btnClear.setOnClickListener(v -> CartActionHelper.emptyCart(cartList, this));
+        }
+
+        // Validate button (green)
+        Button btnValidate = findViewById(R.id.validateCartBtn);
+        if (btnValidate != null) {
+            btnValidate.setOnClickListener(v -> CartActionHelper.validateCart(cartList, this));
+        }
     }
 
     @Override
@@ -194,8 +213,6 @@ public class MainActivity extends AppCompatActivity {
         homeLayout.setVisibility(View.GONE);
         categoryItemsLayout.setVisibility(View.VISIBLE);
 
-        updateActionButton(false);
-
         gridPieces.removeAllViews();
 
         // Calculate item width for a 4-column grid
@@ -265,8 +282,6 @@ public class MainActivity extends AppCompatActivity {
     public void showHome() {
         categoryItemsLayout.setVisibility(View.GONE);
         homeLayout.setVisibility(View.VISIBLE);
-
-        updateActionButton(true);
     }
 
     private void loadMainImage() {
@@ -274,31 +289,6 @@ public class MainActivity extends AppCompatActivity {
         ImageLoader.loadImage(mainImage, "_velo", 800,800);
     }
 
-    public void emptyCart(View view) {
-        CartActionHelper.emptyCart(cartList, this);
-    }
-
-    public void validateCart(View view) {
-        CartActionHelper.validateCart(cartList, this);
-    }
-
-    public void updateActionButton(boolean isHome) {
-        Button btn = findViewById(R.id.validateCartBtn);
-        if (btn == null) return;
-
-        if (isHome) {
-            // Home mode : validate button
-            btn.setText(getString(R.string.cart_validate_btn));
-            btn.setBackgroundColor(Color.parseColor("#43A047")); // Vert
-            btn.setOnClickListener(v -> validateCart(v));
-        } else {
-            // Category mode : back button
-            btn.setText(getString(R.string.cart_back_btn));
-            btn.setBackgroundColor(Color.parseColor("#1E88E5")); // Bleu
-            btn.setOnClickListener(v -> showHome());
-        }
-    }
-
     private int dpToPx(int dp) {
         return (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp, getResources().getDisplayMetrics());
     }

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

@@ -1,12 +1,13 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--  activity_main.xml -->
 <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"
-    android:background="#ffffff">
+    android:background="#ffffff"
-
+    android:baselineAligned="false"> <FrameLayout
-    <FrameLayout
     android:id="@+id/contentFrame"
     android:layout_width="0dp"
     android:layout_height="match_parent"
@@ -17,9 +18,9 @@
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:orientation="horizontal"
-            android:paddingLeft="20dp">
+        android:paddingStart="20dp"
-
+        android:paddingEnd="20dp"
-            <LinearLayout
+        tools:ignore="RtlSymmetry"> <LinearLayout
         android:id="@+id/categoriesLayout"
         android:layout_width="wrap_content"
         android:layout_height="match_parent"
@@ -31,28 +32,50 @@
             android:layout_width="0dp"
             android:layout_height="match_parent"
             android:layout_weight="1"
-                android:scaleType="fitCenter" />
+            android:scaleType="fitCenter"
-        </LinearLayout>
+            android:contentDescription="@string/app_name" /> </LinearLayout>
 
-        <LinearLayout
+    <FrameLayout
         android:id="@+id/categoryItemsLayout"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
-            android:orientation="vertical"
+        android:visibility="gone">
-            android:visibility="gone"
-            android:padding="10dp">
 
         <ScrollView
             android:layout_width="match_parent"
-                android:layout_height="match_parent">
+            android:layout_height="match_parent"
+            android:padding="10dp">
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:orientation="vertical">
                 <GridLayout
                     android:id="@+id/gridPieces"
                     android:layout_width="match_parent"
                     android:layout_height="wrap_content"
                     android:columnCount="4" />
-            </ScrollView>
+
+                <View
+                    android:layout_width="match_parent"
+                    android:layout_height="100dp" />
             </LinearLayout>
+        </ScrollView>
+
+        <androidx.appcompat.widget.AppCompatButton
+            android:id="@+id/btnBackFromCategory"
+            android:layout_width="200dp"
+            android:layout_height="70dp"
+            android:layout_gravity="bottom|start"
+            android:layout_margin="20dp"
+            android:text="@string/cart_back_btn"
+            android:textSize="20sp"
+            android:textStyle="bold"
+            android:textColor="#FFFFFF"
+            app:backgroundTint="#1E88E5"
+            android:elevation="8dp"
+            tools:targetApi="l" />
     </FrameLayout>
+</FrameLayout>
 
     <include layout="@layout/partial_cart" />
 

app/src/main/res/layout/item_piece.xml

@@ -19,13 +19,15 @@
 
     <TextView
         android:id="@+id/itemName"
-        android:layout_width="wrap_content"
+        android:layout_width="150dp"
         android:layout_height="wrap_content"
         tools:text="Item name"
         android:textSize="20sp"
         android:layout_marginTop="0dp"
-        android:lines="1"
+        android:minLines="2"
-        android:ellipsize="end" />
+        android:maxLines="2"
+        android:ellipsize="end"
+        android:gravity="center"/>
 
     <TextView
         android:id="@+id/itemPrice"

app/src/main/res/layout/partial_cart.xml

@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--  partial_panier.xml -->
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:id="@+id/cartContainer"
     android:layout_width="350dp"
     android:layout_height="match_parent"
@@ -56,29 +57,29 @@
             android:orientation="horizontal"
             android:weightSum="2">
 
-            <Button
+            <androidx.appcompat.widget.AppCompatButton
                 android:id="@+id/clearCartBtn"
                 android:layout_width="0dp"
                 android:layout_weight="1"
-                android:layout_height="60dp"
+                android:layout_height="70dp"
                 android:text="@string/cart_empty_btn"
                 android:textSize="18sp"
+                android:textStyle="bold"
                 android:textColor="#FFFFFF"
-                android:background="#E53935"
+                app:backgroundTint="#E53935"
-                android:layout_marginEnd="5dp"
+                android:layout_marginEnd="5dp"/>
-                android:onClick="emptyCart"/>
 
-            <Button
+            <androidx.appcompat.widget.AppCompatButton
                 android:id="@+id/validateCartBtn"
                 android:layout_width="0dp"
                 android:layout_weight="1"
-                android:layout_height="60dp"
+                android:layout_height="70dp"
                 android:text="@string/cart_validate_btn"
                 android:textSize="18sp"
+                android:textStyle="bold"
                 android:textColor="#FFFFFF"
-                android:background="#43A047"
+                app:backgroundTint="#43A047"
-                android:layout_marginStart="5dp"
+                android:layout_marginStart="5dp"/>
-                android:onClick="validateCart"/>
         </LinearLayout>
     </LinearLayout>
 </LinearLayout>