Initial commit

.gitignore

+*.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

.idea/.gitignore

+# Default ignored files
+/shelf/
+/workspace.xml

.idea/.name

+tp5_selection_couleur
\ No newline at end of file

.idea/compiler.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CompilerConfiguration">
+    <bytecodeTargetLevel target="1.8" />
+  </component>
+</project>
\ No newline at end of file

.idea/gradle.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="GradleMigrationSettings" migrationVersion="1" />
+  <component name="GradleSettings">
+    <option name="linkedExternalProjectsSettings">
+      <GradleProjectSettings>
+        <option name="testRunner" value="PLATFORM" />
+        <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>
+        <option name="resolveModulePerSourceSet" value="false" />
+        <option name="useQualifiedModuleNames" value="true" />
+      </GradleProjectSettings>
+    </option>
+  </component>
+</project>
\ No newline at end of file

.idea/jarRepositories.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="RemoteRepositoriesConfiguration">
+    <remote-repository>
+      <option name="id" value="central" />
+      <option name="name" value="Maven Central repository" />
+      <option name="url" value="https://repo1.maven.org/maven2" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="jboss.community" />
+      <option name="name" value="JBoss Community repository" />
+      <option name="url" value="https://repository.jboss.org/nexus/content/repositories/public/" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="BintrayJCenter" />
+      <option name="name" value="BintrayJCenter" />
+      <option name="url" value="https://jcenter.bintray.com/" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="Google" />
+      <option name="name" value="Google" />
+      <option name="url" value="https://dl.google.com/dl/android/maven2/" />
+    </remote-repository>
+  </component>
+</project>
\ No newline at end of file

.idea/misc.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" project-jdk-name="1.8" 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

app/.gitignore

+/build
\ No newline at end of file

app/build.gradle

+plugins {
+    id 'com.android.application'
+}
+
+android {
+    compileSdkVersion 30
+
+    defaultConfig {
+        applicationId "fr.ulille.iutinfo.jmplace.pizzaland"
+        minSdkVersion 16
+        targetSdkVersion 30
+        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
+    }
+}
+
+dependencies {
+
+    implementation 'androidx.appcompat:appcompat:1.2.0'
+    implementation 'com.google.android.material:material:1.3.0'
+    implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
+    implementation 'androidx.navigation:navigation-fragment:2.3.3'
+    implementation 'androidx.navigation:navigation-ui:2.3.3'
+    implementation 'androidx.recyclerview:recyclerview-selection:1.1.0'
+    implementation 'androidx.legacy:legacy-support-v4:1.0.0'
+    implementation 'androidx.lifecycle:lifecycle-livedata-ktx:2.3.0'
+    implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.3.0'
+    testImplementation 'junit:junit:4.+'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.2'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
+}
\ No newline at end of file

app/proguard-rules.pro

+# 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

app/src/androidTest/java/fr/ulille/iutinfo/jmplace/pizzadroid/ExampleInstrumentedTest.java

+package fr.ulille.iutinfo.jmplace.pizzadroid;
+
+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("fr.ulille.iutinfo.jmplace.pizzaland", appContext.getPackageName());
+    }
+}
\ No newline at end of file

app/src/main/AndroidManifest.xml

+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="fr.ulille.iutinfo.jmplace.pizzadroid">
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.Pizzaland">
+        <activity
+            android:name="fr.ulille.iutinfo.jmplace.pizzadroid.MainActivity"
+            android:label="@string/app_name"
+            android:theme="@style/Theme.Pizzaland.NoActionBar">
+            <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

app/src/main/java/fr/ulille/iutinfo/jmplace/pizzadroid/LoggedFragment.java

+package fr.ulille.iutinfo.jmplace.pizzadroid;
+
+import android.os.Bundle;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.fragment.app.Fragment;
+import androidx.lifecycle.Observer;
+import androidx.lifecycle.ViewModelProvider;
+import androidx.navigation.fragment.NavHostFragment;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
+import fr.ulille.iutinfo.jmplace.pizzadroid.pizzaland.Pizza;
+
+public class LoggedFragment extends Fragment implements Observer<Integer> {
+    private PizzaViewModel model;
+
+    @Override
+    public View onCreateView(
+            LayoutInflater inflater, ViewGroup container,
+            Bundle savedInstanceState
+    ) {
+        // Inflate the layout for this fragment
+        return inflater.inflate(R.layout.fragment_logged, container, false);
+    }
+
+    public void onViewCreated(@NonNull View view, Bundle savedInstanceState) {
+        super.onViewCreated(view, savedInstanceState);
+        model = new ViewModelProvider(requireActivity()).get(PizzaViewModel.class);
+
+        TextView welcome = getActivity().findViewById(R.id.welcome);
+        String welcomeMsg = getActivity().getResources().getString(R.string.hello, model.getLoggedUser());
+        welcome.setText(welcomeMsg);
+
+        view.findViewById(R.id.button_second).setOnClickListener(view1 -> NavHostFragment.findNavController(LoggedFragment.this)
+                .navigate(R.id.action_SecondFragment_to_FirstFragment));
+
+        // RecyclerView Setup
+        RecyclerView pizzasList = getActivity().findViewById(R.id.pizzasList);
+        pizzasList.setLayoutManager(new LinearLayoutManager(getActivity()));
+        PizzaAdapter adapter = new PizzaAdapter(model);
+        pizzasList.setAdapter(adapter);
+        update();
+        model.observeSelection(this, this);
+    }
+
+    @Override
+    public void onSaveInstanceState(@NonNull Bundle outState) {
+        super.onSaveInstanceState(outState);
+    }
+
+    private void update() {
+        TextView tvMontant = getActivity().findViewById(R.id.etAmount);
+        tvMontant.setText(getActivity().getResources().getString(R.string.price, model.getPanier().getAmount()));
+    }
+
+    @Override
+    public void onChanged(Integer integer) {
+        Log.d("PIZZA", "update logged fragment");
+    }
+}
\ No newline at end of file

app/src/main/java/fr/ulille/iutinfo/jmplace/pizzadroid/LoginFragment.java

+package fr.ulille.iutinfo.jmplace.pizzadroid;
+
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.EditText;
+import android.widget.Toast;
+
+import androidx.annotation.NonNull;
+import androidx.fragment.app.Fragment;
+import androidx.lifecycle.ViewModelProvider;
+import androidx.navigation.fragment.NavHostFragment;
+
+import fr.ulille.iutinfo.jmplace.pizzadroid.pizzaland.Pizza;
+
+public class LoginFragment extends Fragment {
+    private PizzaViewModel model;
+
+    @Override
+    public View onCreateView(
+            LayoutInflater inflater, ViewGroup container,
+            Bundle savedInstanceState
+    ) {
+        // Inflate the layout for this fragment
+        return inflater.inflate(R.layout.fragment_login, container, false);
+    }
+
+    public void onViewCreated(@NonNull View view, Bundle savedInstanceState) {
+        super.onViewCreated(view, savedInstanceState);
+        model = new ViewModelProvider(requireActivity()).get(PizzaViewModel.class);
+
+
+        view.findViewById(R.id.button_first).setOnClickListener(view1 -> {
+            EditText etLogin = getActivity().findViewById(R.id.etLogin);
+            EditText etPasswd = getActivity().findViewById(R.id.etPasswd);
+            if (etPasswd.getText().toString().equals("Doe")) {
+                model.login(etLogin.getText().toString());
+                NavHostFragment.findNavController(LoginFragment.this)
+                        .navigate(R.id.action_FirstFragment_to_SecondFragment);
+            } else {
+                Toast failed = Toast.makeText(getActivity(), R.string.failed_message, Toast.LENGTH_LONG);
+                failed.show();
+                etLogin.setText("");
+                etPasswd.setText("");
+                model.logout();
+            }
+        });
+}
+}
\ No newline at end of file

app/src/main/java/fr/ulille/iutinfo/jmplace/pizzadroid/MainActivity.java

+package fr.ulille.iutinfo.jmplace.pizzadroid;
+
+import android.os.Bundle;
+
+import com.google.android.material.floatingactionbutton.FloatingActionButton;
+import com.google.android.material.snackbar.Snackbar;
+
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.appcompat.widget.Toolbar;
+import androidx.lifecycle.ViewModelProvider;
+
+import android.view.View;
+
+import android.view.Menu;
+import android.view.MenuItem;
+
+import fr.ulille.iutinfo.jmplace.pizzadroid.pizzaland.Pizza;
+
+public class MainActivity extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+
+        PizzaViewModel model = new ViewModelProvider(this).get(PizzaViewModel.class);
+        model.setPizzas(Pizza.loadPizzas(this));
+        Toolbar toolbar = findViewById(R.id.toolbar);
+        setSupportActionBar(toolbar);
+
+        FloatingActionButton fab = findViewById(R.id.fab);
+        fab.setOnClickListener(view -> Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)
+                .setAction("Action", null).show());
+    }
+
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        // Inflate the menu; this adds items to the action bar if it is present.
+        getMenuInflater().inflate(R.menu.menu_main, menu);
+        return true;
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        // Handle action bar item clicks here. The action bar will
+        // automatically handle clicks on the Home/Up button, so long
+        // as you specify a parent activity in AndroidManifest.xml.
+        int id = item.getItemId();
+
+        //noinspection SimplifiableIfStatement
+        if (id == R.id.action_settings) {
+            return true;
+        }
+
+        return super.onOptionsItemSelected(item);
+    }
+}
\ No newline at end of file

app/src/main/java/fr/ulille/iutinfo/jmplace/pizzadroid/PizzaAdapter.java

+package fr.ulille.iutinfo.jmplace.pizzadroid;
+
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.lifecycle.MutableLiveData;
+import androidx.recyclerview.widget.RecyclerView;
+
+import fr.ulille.iutinfo.jmplace.pizzadroid.pizzaland.Pizza;
+
+
+public class PizzaAdapter extends RecyclerView.Adapter<PizzaAdapter.ViewHolder> {
+    final PizzaViewModel model;
+
+    class ViewHolder extends RecyclerView.ViewHolder {
+        private final View itemView;
+
+
+
+        public void setName(String name) {
+            ((TextView) itemView.findViewById(R.id.name)).setText(name);
+        }
+
+        public void setBase(String base) {
+            ((TextView) itemView.findViewById(R.id.base)).setText(base);
+        }
+        public void setPriceSmall(double price) {
+            String formatted = itemView.getContext().getResources().getString(R.string.price, price);
+            ((TextView) itemView.findViewById(R.id.price_small)).setText(formatted);
+        }
+
+        public void setPriceLarge(double price) {
+            String formatted = itemView.getContext().getResources().getString(R.string.price, price);
+            ((TextView) itemView.findViewById(R.id.price_large)).setText(formatted);
+        }
+
+        public void setQtySmall(int qty) {
+            ((TextView) itemView.findViewById(R.id.qty_small)).setText("" + qty);
+        }
+
+        public void setQtyLarge(int qty) {
+            ((TextView) itemView.findViewById(R.id.qty_large)).setText("" + qty);
+        }
+
+        public TextView getNameView() {
+            return itemView.findViewById(R.id.name);
+        }
+
+        public TextView getBaseView() {
+            return itemView.findViewById(R.id.base);
+        }
+
+        public TextView getPriceSmallView() {
+            return itemView.findViewById(R.id.price_small);
+        }
+
+        public TextView getPriceLargeView() {
+            return itemView.findViewById(R.id.price_large);
+        }
+
+        public TextView getQtySmallView() {
+            return itemView.findViewById(R.id.qty_small);
+        }
+
+        public TextView getQtyLargeView() {
+            return itemView.findViewById(R.id.qty_large);
+        }
+
+        public ViewHolder(@NonNull View itemView) {
+            super(itemView);
+            this.itemView = itemView;
+            this.itemView.setOnClickListener(view -> {
+                select(getAdapterPosition());
+            });
+        }
+    }
+
+    public PizzaAdapter(PizzaViewModel model) {
+        this.model = model;
+    }
+
+    @NonNull
+    @Override
+    public PizzaAdapter.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        View view = LayoutInflater.from(parent.getContext())
+                .inflate(R.layout.pizza_view_holder, parent, false);
+        return new ViewHolder(view);
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull PizzaAdapter.ViewHolder holder, int position) {
+        Pizza pizza = model.getPizzas()[position];
+        holder.getNameView().setText(pizza.getNom());
+        holder.getBaseView().setText(pizza.getBase());
+        holder.getPriceSmallView().setText("" + pizza.getPriceSmall());
+        holder.getPriceLargeView().setText("" + pizza.getPriceLarge());
+        holder.getQtySmallView().setText("" + model.getPanier().getQtySmall(position));
+        holder.getQtyLargeView().setText("" + model.getPanier().getQtyLarge(position));
+        if ((model.getSelected() != null)
+                && (holder.getAdapterPosition() == model.getSelected())) {
+            holder.itemView.setActivated(true);
+        }
+        else {
+            holder.itemView.setActivated(false);
+        }
+
+    }
+
+    @Override
+    public int getItemCount() {
+        return model.getPizzas().length;
+    }
+    public void select(Integer position){
+        model.setSelected(position);
+        Log.d("PIZZA", "Item " + position + " selected.");
+        Integer old = model.getSelected();
+        if (old != null) {
+            notifyItemChanged(old);
+        }
+        model.setSelected(position);
+        notifyItemChanged(position);
+    }
+
+}
\ No newline at end of file

app/src/main/java/fr/ulille/iutinfo/jmplace/pizzadroid/PizzaViewModel.java

+package fr.ulille.iutinfo.jmplace.pizzadroid;
+
+import androidx.annotation.MainThread;
+import androidx.annotation.NonNull;
+import androidx.lifecycle.LifecycleOwner;
+import androidx.lifecycle.MutableLiveData;
+import androidx.lifecycle.Observer;
+import androidx.lifecycle.ViewModel;
+
+import fr.ulille.iutinfo.jmplace.pizzadroid.pizzaland.Panier;
+import fr.ulille.iutinfo.jmplace.pizzadroid.pizzaland.Pizza;
+
+public class PizzaViewModel extends ViewModel {
+    private String loggedUser;
+    private Pizza[] pizzas;
+    private Panier panier;
+    private MutableLiveData<Integer> selected;
+
+
+    public PizzaViewModel() {
+        this.loggedUser = null;
+        this.panier = null;
+        this.selected = null;
+    }
+
+    public void setPizzas(Pizza[] pizzas) {
+        this.pizzas = pizzas;
+    }
+
+    public String getLoggedUser() {
+        return this.loggedUser;
+    }
+
+    public void login(String loggedUser) {
+        this.loggedUser = loggedUser;
+        this.panier = new Panier(new Pizza[pizzas.length]);
+    }
+
+    public void logout() {
+        login(null);
+    }
+
+    public Panier getPanier() {
+        return this.panier;
+    }
+
+    public Pizza[] getPizzas() {
+        return this.pizzas;
+    }
+
+    public Integer getSelected() {
+        return getLiveSelected().getValue();
+    }
+    public void setSelected(Integer selected) {
+        getLiveSelected().setValue(selected);
+    }
+
+    private MutableLiveData<Integer> getLiveSelected() {
+        if (selected == null) {
+            selected = new MutableLiveData<>();
+        }
+        return selected;
+    }
+    @MainThread
+    public void observeSelection(@NonNull LifecycleOwner owner, @NonNull Observer<? super Integer> observer) {
+        getLiveSelected().observe(owner, observer);
+    }
+}

app/src/main/java/fr/ulille/iutinfo/jmplace/pizzadroid/pizzaland/Panier.java

+package fr.ulille.iutinfo.jmplace.pizzadroid.pizzaland;
+
+public class Panier {
+
+    private final Pizza[] pizzas ;
+    private final int[] qtySmall ;
+    private final int[] qtyLarge ;
+
+    public Panier(Pizza[] pizzas) {
+        this.pizzas = pizzas;
+        this.qtySmall = new int[pizzas.length];
+        this.qtyLarge = new int[pizzas.length];
+        // Initialisations a fin de test: A supprimer en production
+        this.qtyLarge[1] = 2;
+        this.qtySmall[2] = 5;
+    }
+
+    public int getQtySmall(int position) {
+        return this.qtySmall[position];
+    }
+
+    public int getQtyLarge(int position) {
+        return this.qtyLarge[position];
+    }
+
+    public double getAmount() {
+        double amount = 0.0;
+        for (int i = 0; i < pizzas.length; i++) {
+            amount += qtySmall[i] * pizzas[i].getPrix_petite();
+            amount += qtyLarge[i] * pizzas[i].getPrix_grande();
+        }
+        return amount;
+    }
+}

app/src/main/java/fr/ulille/iutinfo/jmplace/pizzadroid/pizzaland/Pizza.java

+package fr.ulille.iutinfo.jmplace.pizzadroid.pizzaland;
+
+import android.content.Context;
+import android.widget.Toast;
+
+import org.json.JSONArray;
+import org.json.JSONException;
+import org.json.JSONObject;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+
+import fr.ulille.iutinfo.jmplace.pizzadroid.R;
+
+public class Pizza {
+    private static  Pizza[] pizzas;
+    private final String id;
+    private final String nom;
+    private final String base;
+    private final double prix_petite;
+    private final double prix_grande;
+    private String priceSmall;
+    private String priceLarge;
+
+    public static Pizza[] loadPizzas(Context context) {
+        pizzas = loadPizzasFromResources(context, R.raw.pizzas);
+        Pizza.formatPrice(context);
+        return pizzas;
+    }
+    public static Pizza[] loadPizzasFromResources(Context context, int resId)  {
+        StringBuilder text = new StringBuilder();
+        BufferedReader br = new BufferedReader(new InputStreamReader(context.getResources().openRawResource(resId)));
+        String line;
+        try {
+            while ((line = br.readLine()) != null) {
+                text.append(line);
+                text.append('\n');
+            }
+                br.close();
+            JSONArray array = new JSONArray(text.toString());
+            pizzas = LoadPizzasFromJson(array);
+        } catch (JSONException | IOException e) {
+            Toast failedLoad = Toast.makeText(context, R.string.failedLoad, Toast.LENGTH_LONG);
+            failedLoad.show();
+        }
+        return pizzas;
+    }
+    private static Pizza[] LoadPizzasFromJson(JSONArray json) throws JSONException {
+        Pizza[] pizzas = new Pizza[json.length()];
+        for (int i = 0 ; i < json.length(); i++) {
+            pizzas[i] = new Pizza(json.getJSONObject(i));
+        }
+        return pizzas;
+    }
+
+    public static void formatPrice(Context context) {
+        for (Pizza p : pizzas) {
+            p.priceSmall = context.getResources().getString(R.string.price, p.prix_petite);
+            p.priceLarge = context.getResources().getString(R.string.price, p.prix_grande);
+        }
+    }
+
+    public String getId() {
+        return id;
+    }
+
+    public String getNom() {
+        return nom;
+    }
+
+    public String getBase() {
+        return base;
+    }
+
+    public double getPrix_petite() {
+        return prix_petite;
+    }
+
+    public double getPrix_grande() {
+        return prix_grande;
+    }
+
+    public String getPriceSmall() {
+        return priceSmall;
+    }
+
+    public String getPriceLarge() {
+        return priceLarge;
+    }
+
+    private Pizza(JSONObject json) throws JSONException {
+        this.id = json.getString("id");
+        this.nom = json.getString("nom");
+        this.base = json.getString("base");
+        this.prix_petite = json.getDouble("prix_petite");
+        this.prix_grande = json.getDouble("prix_grande");
+    }
+}

app/src/main/res/color/item_background.xml

+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item
+        android:drawable="@color/white"
+        android:state_activated="false"
+        />
+    <item
+        android:drawable="@color/green"
+        android:state_activated="true"
+        />
+</selector>
\ No newline at end of file