Add images in DB

.idea/misc.xml

-<?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">

app/src/main/java/com/example/tpleboncoin/db/DBHelper.java

@@ -26,11 +26,11 @@ public class DBHelper extends SQLiteOpenHelper {
     static final String DB_NAME = "LEBONCOIN.DB";
 
     // database version
-    static final int DB_VERSION = 2;
+    static final int DB_VERSION = 3;
 
     // Creating table query
     private static final String CREATE_TABLE = "create table " + TABLE_NAME + "(" + _ID
-            + " INTEGER PRIMARY KEY AUTOINCREMENT, " + TITLE + " TEXT NOT NULL, " + ADDRESS + " TEXT, " + IMAGE + " TEXT, " + PRICE + " DOUBLE, " + DESCRIPTION + " TEXT);";
+            + " INTEGER PRIMARY KEY AUTOINCREMENT, " + TITLE + " TEXT NOT NULL, " + ADDRESS + " TEXT, " + IMAGE + " BLOB, " + PRICE + " DOUBLE, " + DESCRIPTION + " TEXT);";
 
     public DBHelper(Context context) {
         super(context,
@@ -64,12 +64,10 @@ public class DBHelper extends SQLiteOpenHelper {
 
         String title = data.getString(data.getColumnIndexOrThrow(TITLE));
         String address = data.getString(data.getColumnIndexOrThrow(ADDRESS));
-        String image = data.getString(data.getColumnIndexOrThrow(IMAGE));
+        byte[] image = data.getBlob(data.getColumnIndexOrThrow(IMAGE));
         double price = data.getDouble(data.getColumnIndexOrThrow(PRICE));
         String description = data.getString(data.getColumnIndexOrThrow(DESCRIPTION));
 
-        data.close();
-
         return new Annonce(title, address, image, price, description);
     }
 }

app/src/main/java/com/example/tpleboncoin/models/Annonce.java

@@ -11,11 +11,11 @@ public class Annonce implements Parcelable {
     private String titre;
     private String  adresse;
     private double prix;
-    private String image;
+    private byte[] image;
     private String description;
 
     // Constructeur
-    public Annonce(String titre, String adresse, String image, double prix, String description) {
+    public Annonce(String titre, String adresse, byte[] image, double prix, String description) {
         this.titre = titre;
         this.adresse = adresse;
         this.image = image;
@@ -37,7 +37,7 @@ public class Annonce implements Parcelable {
 
     public double getPrix(){return prix;}
     public String getAdresse(){return adresse;}
-    public String getImage(){return image;}
+    public byte[] getImage(){return image;}
     public String getDescription(){return description;}
 
 
@@ -53,7 +53,10 @@ public class Annonce implements Parcelable {
         parcel.writeString(adresse);
 
         parcel.writeDouble(prix);
-        parcel.writeString(image);
+
+        parcel.writeInt(image.length);
+        parcel.writeByteArray(image);
+
         parcel.writeString(description);
         parcel.writeInt(id);
     }
@@ -70,8 +73,12 @@ public class Annonce implements Parcelable {
     private Annonce(Parcel in) {
         titre = in.readString();
         adresse = in.readString();
+
         prix = in.readDouble();
-        image = in.readString();
+
+        image = new byte[in.readInt()];
+        in.readByteArray(image);
+
         description = in.readString();
         id = in.readInt();
     }

app/src/main/java/com/example/tpleboncoin/ui/ajout_annonce/AjoutAnnonceFragment.java

@@ -3,6 +3,7 @@ package com.example.tpleboncoin.ui.ajout_annonce;
 import android.app.Activity;
 import android.content.Intent;
 import android.graphics.Bitmap;
+import android.graphics.drawable.BitmapDrawable;
 import android.net.Uri;
 import android.os.Bundle;
 import android.provider.MediaStore;
@@ -30,6 +31,8 @@ import com.example.tpleboncoin.db.DBManager;
 import com.example.tpleboncoin.models.Annonce;
 import com.google.android.material.snackbar.Snackbar;
 
+import java.io.ByteArrayOutputStream;
+
 public class AjoutAnnonceFragment extends Fragment {
 
     private FragmentAjoutAnnonceBinding binding;
@@ -50,11 +53,12 @@ public class AjoutAnnonceFragment extends Fragment {
         final EditText adresseAnnonce = binding.adresseAnnonce;
         final EditText prixAnnonce = binding.prixAnnonce;
         final EditText descriptionAnnonce = binding.descriptionAnnonce;
+        final ImageView imageAnnonce = binding.imageAnnonce;
         final Button boutonCreation = binding.boutonAjoutAnnonce;
 
         // Initialisation de la DB
         DBManager dbManager = DBManager.getDBManager(this.getContext());
-        dbManager.open();
+        dbManager.open(this.getContext());
 
 
         boutonCreation.setOnClickListener(new View.OnClickListener() {
@@ -68,8 +72,14 @@ public class AjoutAnnonceFragment extends Fragment {
                     return;
                 }
 
+                // On convertit l'image en byte array
+                Bitmap bitmap = ((BitmapDrawable) imageAnnonce.getDrawable()).getBitmap();
+                ByteArrayOutputStream baos = new ByteArrayOutputStream();
+                bitmap.compress(Bitmap.CompressFormat.JPEG, 100, baos);
+                byte[] imageInByte = baos.toByteArray();
+
                 // On créé l'objet de la nouvelle annonce
-                Annonce nouvelleAnnonce = new Annonce(titreAnnonce.getText().toString(), adresseAnnonce.getText().toString(), "", Double.parseDouble(prixAnnonce.getText().toString()), descriptionAnnonce.getText().toString());
+                Annonce nouvelleAnnonce = new Annonce(titreAnnonce.getText().toString(), adresseAnnonce.getText().toString(), imageInByte, Double.parseDouble(prixAnnonce.getText().toString()), descriptionAnnonce.getText().toString());
 
                 //On ajoute la nouvelle annonce à la DB
                 dbManager.insert(nouvelleAnnonce);
@@ -83,7 +93,6 @@ public class AjoutAnnonceFragment extends Fragment {
 
         final Button boutonAppareilPhoto = binding.photoBtn;
         final Button boutonGalerie = binding.galerieBtn;
-        final ImageView imageAnnonce = binding.imageAnnonce;
 
         boutonGalerie.setOnClickListener(new View.OnClickListener() {
             @Override

app/src/main/java/com/example/tpleboncoin/ui/home/HomeAdapter.java

@@ -4,10 +4,13 @@ package com.example.tpleboncoin.ui.home;
 import android.app.Activity;
 import android.content.Context;
 import android.content.Intent;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.ImageView;
 import android.widget.TextView;
 
 import androidx.activity.result.contract.ActivityResultContracts;
@@ -17,6 +20,8 @@ import com.example.tpleboncoin.R;
 import com.example.tpleboncoin.models.Annonce;
 import com.example.tpleboncoin.ui.DetailScreen;
 
+import java.io.ByteArrayInputStream;
+import java.io.InputStream;
 import java.util.ArrayList;
 
 
@@ -31,6 +36,7 @@ public class HomeAdapter extends RecyclerView.Adapter<HomeAdapter.ViewHolder>  {
      */
     public static class ViewHolder extends RecyclerView.ViewHolder {
         private final TextView titreTextView;
+        private final ImageView imageView;
         private final TextView adresseTextView;
         private final TextView prixTextView;
 
@@ -51,6 +57,7 @@ public class HomeAdapter extends RecyclerView.Adapter<HomeAdapter.ViewHolder>  {
             titreTextView = (TextView) v.findViewById(R.id.titre_annonce);
             adresseTextView = (TextView) v.findViewById(R.id.adresse_annonce);
             prixTextView = (TextView) v.findViewById(R.id.prix_annonce);
+            imageView = (ImageView) v.findViewById(R.id.image_annonce);
         }
 
         public TextView getTitreTextView() {
@@ -62,6 +69,7 @@ public class HomeAdapter extends RecyclerView.Adapter<HomeAdapter.ViewHolder>  {
         public TextView getPrixTextView() {
             return prixTextView;
         }
+        public ImageView getImageView() { return imageView; }
     }
 
     /**
@@ -97,11 +105,16 @@ public class HomeAdapter extends RecyclerView.Adapter<HomeAdapter.ViewHolder>  {
     public void onBindViewHolder(ViewHolder viewHolder, final int position) {
         Log.d(TAG, "Element " + position + " set.");
 
+        //Byte array to img
+        InputStream is = new ByteArrayInputStream(mDataSet.get(position).getImage());
+        Bitmap bmpImage = BitmapFactory.decodeStream(is);
+
         // Get element from dataset at this position and replace the contents of the view
         // with that element
         viewHolder.getTitreTextView().setText(mDataSet.get(position).getTitre());
         viewHolder.getAdresseTextView().setText(mDataSet.get(position).getAdresse());
         viewHolder.getPrixTextView().setText(String.format("%,.2f €", mDataSet.get(position).getPrix()));
+        viewHolder.getImageView().setImageBitmap(bmpImage);
     }
 
     // Return the size of dataset (invoked by the layout manager)

app/src/main/java/com/example/tpleboncoin/ui/home/HomeFragment.java

@@ -163,7 +163,7 @@ public class HomeFragment extends Fragment {
      */
     private void initDataset() {
         DBManager dbManager = DBManager.getDBManager(this.getContext());
-        dbManager.open();
+        dbManager.open(this.getContext());
 
         // On récupère toutes les annonces de la DB
         mDataset = reverseArrayList(dbManager.getAll());

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

@@ -25,16 +25,17 @@
             android:text="Adresse, 59000 Douai" />
 
         <ImageView
-            android:id="@+id/imageView"
+            android:id="@+id/image_annonce"
             android:layout_width="100dp"
             android:layout_height="100dp"
+            android:scaleType="centerCrop"
             android:src="@drawable/ic_launcher_background" />
 
         <TextView
             android:id="@+id/titre_annonce"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:layout_below="@+id/imageView"
+            android:layout_below="@+id/image_annonce"
             android:fontFamily="sans-serif-medium"
             android:text="Titre annonce de test"
             android:textAppearance="@style/TextAppearance.AppCompat.Medium" />

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

@@ -23,10 +23,15 @@
         android:paddingBottom="8dp">
 
         <ImageView
-            android:id="@+id/imageView"
+            android:id="@+id/image_annonce"
             android:layout_width="70dp"
-            android:layout_height="80dp"
+            android:layout_height="70dp"
+            android:layout_marginTop="1dp"
+            android:layout_marginBottom="1dp"
+            android:foregroundGravity="fill_horizontal|fill_vertical"
+            android:scaleType="centerCrop"
             android:src="@drawable/ic_launcher_background"
+            app:layout_constraintBottom_toBottomOf="parent"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toTopOf="parent" />
 
@@ -35,11 +40,10 @@
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_marginStart="8dp"
-            android:layout_marginTop="4dp"
             android:fontFamily="sans-serif-medium"
             android:text="Titre annonce de test"
             android:textAppearance="@style/TextAppearance.AppCompat.Medium"
-            app:layout_constraintStart_toEndOf="@+id/imageView"
+            app:layout_constraintStart_toEndOf="@+id/image_annonce"
             app:layout_constraintTop_toTopOf="parent" />
 
         <TextView