Fix nullable image + image size

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

@@ -30,7 +30,7 @@ public class DBHelper extends SQLiteOpenHelper {
 
     // 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 + " BLOB, " + PRICE + " DOUBLE, " + DESCRIPTION + " TEXT);";
+            + " INTEGER PRIMARY KEY AUTOINCREMENT, " + TITLE + " TEXT NOT NULL, " + ADDRESS + " TEXT NOT NULL, " + IMAGE + " BLOB, " + PRICE + " DOUBLE NOT NULL, " + DESCRIPTION + " TEXT);";
 
     public DBHelper(Context context) {
         super(context,

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

 package com.example.tpleboncoin.models;
 
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
 import android.os.Parcel;
 import android.os.Parcelable;
 
 import androidx.annotation.NonNull;
 
+import java.io.ByteArrayInputStream;
+import java.io.InputStream;
+
 public class Annonce implements Parcelable {
     static int nbAnnonces = 0;
     private int id;
@@ -38,6 +43,17 @@ public class Annonce implements Parcelable {
     public double getPrix(){return prix;}
     public String getAdresse(){return adresse;}
     public byte[] getImage(){return image;}
+    public Bitmap getImageAsBitmap(){
+        byte[] img = this.getImage();
+        if(img == null){
+            return null;
+        }
+
+        InputStream is = new ByteArrayInputStream(img);
+        Bitmap bmpImage = BitmapFactory.decodeStream(is);
+
+        return bmpImage;
+    }
     public String getDescription(){return description;}
 
 
@@ -54,8 +70,11 @@ public class Annonce implements Parcelable {
 
         parcel.writeDouble(prix);
 
-        parcel.writeInt(image.length);
+        int imageLength = image != null ? image.length : 0;
+        parcel.writeInt(imageLength);
+        if(imageLength>0){
             parcel.writeByteArray(image);
+        }
 
         parcel.writeString(description);
         parcel.writeInt(id);
@@ -76,8 +95,15 @@ public class Annonce implements Parcelable {
 
         prix = in.readDouble();
 
-        image = new byte[in.readInt()];
+        int imageLength = in.readInt();
+
+        if(imageLength > 0){
+            image = new byte[imageLength];
             in.readByteArray(image);
+        }else{
+            image = null;
+        }
+
 
         description = in.readString();
         id = in.readInt();

app/src/main/java/com/example/tpleboncoin/ui/DetailScreen.java

@@ -36,7 +36,11 @@ public class DetailScreen extends AppCompatActivity {
                     binding.descriptionTextView4.setJustificationMode(LineBreaker.JUSTIFICATION_MODE_INTER_WORD);
                 }
                 binding.titreTextView.setText(annonce.getTitre());
-                binding.imageView.setImageURI(Uri.parse("https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcQuN0ilDzXue08UjwoRi4jiqj0Y9FWs7jDhYY949clvcVYpoCUZzH1OkTKv5-FqBHDwKG0&usqp=CAU"));
+
+                if(annonce.getImage() != null){
+                    binding.imageView.setImageBitmap(annonce.getImageAsBitmap());
+                }
+
             }
             binding.smsButton.setOnClickListener(new View.OnClickListener() {
                 @Override

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.BitmapFactory;
 import android.graphics.drawable.BitmapDrawable;
 import android.net.Uri;
 import android.os.Bundle;
@@ -73,10 +74,16 @@ public class AjoutAnnonceFragment extends Fragment {
                 }
 
                 // On convertit l'image en byte array
+                byte[] imageInByte = null;
+                if(imageAnnonce.getVisibility() == View.VISIBLE){
                     Bitmap bitmap = ((BitmapDrawable) imageAnnonce.getDrawable()).getBitmap();
                     ByteArrayOutputStream baos = new ByteArrayOutputStream();
+                    bitmap = resizeBitmap(bitmap, 500);
                     bitmap.compress(Bitmap.CompressFormat.JPEG, 100, baos);
-                byte[] imageInByte = baos.toByteArray();
+
+                    imageInByte = baos.toByteArray();
+                }
+
 
                 // On créé l'objet de la nouvelle annonce
                 Annonce nouvelleAnnonce = new Annonce(titreAnnonce.getText().toString(), adresseAnnonce.getText().toString(), imageInByte, Double.parseDouble(prixAnnonce.getText().toString()), descriptionAnnonce.getText().toString());
@@ -157,6 +164,26 @@ public class AjoutAnnonceFragment extends Fragment {
 
 
     // Gestion des images
+    private Bitmap resizeBitmap(Bitmap image, int maxSize){
+        // Don't resize if already small image
+        if(image.getWidth()<maxSize && image.getHeight()<maxSize){
+            return image;
+        }
+
+        int width = image.getWidth();
+        int height = image.getHeight();
+
+        float bitmapRatio = (float)width / (float) height;
+        if (bitmapRatio > 1) {
+            width = maxSize;
+            height = (int) (width / bitmapRatio);
+        } else {
+            height = maxSize;
+            width = (int) (height * bitmapRatio);
+        }
+        return Bitmap.createScaledBitmap(image, width, height, true);
+    }
+
     private void choisirImageDansGalerie(){
         // Create an instance of the Intent of the type image
         Intent i = new Intent();

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

@@ -106,15 +106,17 @@ public class HomeAdapter extends RecyclerView.Adapter<HomeAdapter.ViewHolder>  {
         Log.d(TAG, "Element " + position + " set.");
 
         //Byte array to img
-        InputStream is = new ByteArrayInputStream(mDataSet.get(position).getImage());
-        Bitmap bmpImage = BitmapFactory.decodeStream(is);
+        if(mDataSet.get(position).getImage() != null){
+            Bitmap bmpImage = mDataSet.get(position).getImageAsBitmap();
+            viewHolder.getImageView().setImageBitmap(bmpImage);
+        }
 
         // 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/res/layout/activity_detail_screen.xml

@@ -50,7 +50,8 @@
                 app:layout_constraintEnd_toStartOf="@+id/smsButton"
                 app:layout_constraintHorizontal_bias="0.46"
                 app:layout_constraintStart_toStartOf="parent"
-                app:layout_constraintTop_toTopOf="parent" />
+                app:layout_constraintTop_toTopOf="parent"
+                app:srcCompat="@drawable/ic_launcher_background" />
 
             <TextView
                 android:id="@+id/titreTextView"