diff --git a/DEV4.5/exo4_controle b/DEV4.5/exo4_controle
new file mode 100644
index 0000000..f4639f6
--- /dev/null
+++ b/DEV4.5/exo4_controle
@@ -0,0 +1,72 @@
+package com.example.partition;
+
+import android.database.Cursor;
+import android.database.sqlite.SQLiteDatabase;
+import android.database.sqlite.SQLiteOpenHelper;
+import android.os.Bundle;
+import android.widget.TextView;
+import androidx.appcompat.app.AppCompatActivity;
+
+public class SponsorActivity extends AppCompatActivity {
+    private TextView adTextView;
+    private SQLiteDatabase db;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_sponsor);
+
+        adTextView = findViewById(R.id.adTextView);
+        db = new DBHelper(this).getReadableDatabase();
+        updateAdText();
+    }
+
+    private void updateAdText() {
+        Cursor cursor = db.rawQuery("SELECT text FROM ad_table LIMIT 1", null);
+        if (cursor.moveToFirst()) {
+            adTextView.setText(cursor.getString(0));
+        }
+        cursor.close();
+    }
+}
+
+Fichier DBHelper.java
+
+package com.example.partition;
+
+import android.content.Context;
+import android.database.sqlite.SQLiteDatabase;
+import android.database.sqlite.SQLiteOpenHelper;
+
+public class DBHelper extends SQLiteOpenHelper {
+    public DBHelper(Context context) {
+        super(context, "ads.db", null, 1);
+    }
+
+    @Override
+    public void onCreate(SQLiteDatabase db) {
+        db.execSQL("CREATE TABLE ad_table (text TEXT)");
+        db.execSQL("INSERT INTO ad_table VALUES ('Publicité initiale')");
+    }
+
+    @Override
+    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
+        db.execSQL("DROP TABLE IF EXISTS ad_table");
+        onCreate(db);
+    }
+}
+
+Fichier activity_sponsor.xml
+
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:padding="30dp">
+
+    <TextView
+        android:id="@+id/adTextView"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="Publicité en cours de chargement..."
+        android:textSize="18sp"/>
+</RelativeLayout>
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