diff --git a/src/main/java/sae/chuzzle/MenuActivity.java b/src/main/java/sae/chuzzle/MenuActivity.java
index a4bd5f5..e2d69eb 100644
--- a/src/main/java/sae/chuzzle/MenuActivity.java
+++ b/src/main/java/sae/chuzzle/MenuActivity.java
@@ -1,44 +1,27 @@
-package sae.chuzzle;
-
-import android.app.Activity;
-import android.content.Intent;
-import android.os.Bundle;
-import android.view.View;
-import android.widget.Button;
-
-public class MenuActivity extends Activity implements View.OnClickListener {
-
-    private Button btnNouvellePartie;
-    private Button btnPartieGraine;
-    private Button btnOptions;
-
-    @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        setContentView(R.layout.activity_menu);
-
-        btnNouvellePartie = findViewById(R.id.btnNouvellePartie);
-        btnPartieGraine = findViewById(R.id.btnPartieGraine);
-        btnOptions = findViewById(R.id.btnOptions);
-
-        btnNouvellePartie.setOnClickListener(this);
-        btnPartieGraine.setOnClickListener(this);
-        btnOptions.setOnClickListener(this);
-    }
-
-    @Override
-    public void onClick(View v) {
-        if (v == btnNouvellePartie) {
-            long graine = System.currentTimeMillis();
-            Intent intent = new Intent(this, MainActivity.class);
-            intent.putExtra("graine", graine);
-            startActivity(intent);
-        } else if (v == btnPartieGraine) {
-            Intent intent = new Intent(this, SeedActivity.class);
-            startActivity(intent);
-        } else if (v == btnOptions) {
-            Intent intent = new Intent(this, OptionsActivity.class);
-            startActivity(intent);
-        }
-    }
+package sae.chuzzle;
+
+import android.app.Activity;
+import android.os.Bundle;
+import android.widget.Button;
+
+public class MenuActivity extends Activity {
+
+    private Button btnNouvellePartie;
+    private Button btnPartieGraine;
+    private Button btnOptions;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_menu);
+
+        btnNouvellePartie = findViewById(R.id.btnNouvellePartie);
+        btnPartieGraine = findViewById(R.id.btnPartieGraine);
+        btnOptions = findViewById(R.id.btnOptions);
+
+        MenuController controller = new MenuController(this);
+        btnNouvellePartie.setOnClickListener(controller);
+        btnPartieGraine.setOnClickListener(controller);
+        btnOptions.setOnClickListener(controller);
+    }
 }
\ No newline at end of file
diff --git a/src/main/java/sae/chuzzle/MenuController.java b/src/main/java/sae/chuzzle/MenuController.java
new file mode 100644
index 0000000..eb813d5
--- /dev/null
+++ b/src/main/java/sae/chuzzle/MenuController.java
@@ -0,0 +1,30 @@
+package sae.chuzzle;
+
+import android.content.Intent;
+import android.view.View;
+
+public class MenuController implements View.OnClickListener {
+
+    private final MenuActivity activity;
+
+    public MenuController(MenuActivity activity) {
+        this.activity = activity;
+    }
+
+    @Override
+    public void onClick(View v) {
+        int id = v.getId();
+        if (id == R.id.btnNouvellePartie) {
+            long graine = System.currentTimeMillis();
+            Intent intent = new Intent(activity, MainActivity.class);
+            intent.putExtra("graine", graine);
+            activity.startActivity(intent);
+        } else if (id == R.id.btnPartieGraine) {
+            Intent intent = new Intent(activity, SeedActivity.class);
+            activity.startActivity(intent);
+        } else if (id == R.id.btnOptions) {
+            Intent intent = new Intent(activity, OptionsActivity.class);
+            activity.startActivity(intent);
+        }
+    }
+}
diff --git a/src/main/java/sae/chuzzle/OptionsActivity.java b/src/main/java/sae/chuzzle/OptionsActivity.java
index 8841adf..82783fa 100644
--- a/src/main/java/sae/chuzzle/OptionsActivity.java
+++ b/src/main/java/sae/chuzzle/OptionsActivity.java
@@ -1,22 +1,17 @@
 package sae.chuzzle;
 
 import android.app.Activity;
-import android.content.Intent;
 import android.content.SharedPreferences;
 import android.os.Bundle;
-import android.view.View;
 import android.widget.Button;
 import android.widget.CheckBox;
-import android.widget.CompoundButton;
 
-public class OptionsActivity extends Activity
-        implements CompoundButton.OnCheckedChangeListener, View.OnClickListener {
+public class OptionsActivity extends Activity {
 
     private SharedPreferences prefs;
     private CheckBox checkHard;
     private Button btnRetour;
 
-
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -24,30 +19,13 @@ public class OptionsActivity extends Activity
 
         prefs = getSharedPreferences("chuzzle_prefs", MODE_PRIVATE);
 
-
         checkHard = findViewById(R.id.checkHard);
         btnRetour = findViewById(R.id.btnBack);
 
         checkHard.setChecked(prefs.getBoolean("hard_mode", false));
 
-
-        checkHard.setOnCheckedChangeListener(this);
-        btnRetour.setOnClickListener(this);
-    }
-
-    @Override
-    public void onCheckedChanged(CompoundButton bouton, boolean estCoche) {
-        if (bouton == checkHard) {
-            prefs.edit().putBoolean("hard_mode", estCoche).apply();
-        }
-    }
-
-    @Override
-    public void onClick(View v) {
-        if (v == btnRetour) {
-            Intent intent = new Intent(this, MenuActivity.class);
-            startActivity(intent);
-        }
-
+        OptionsController controller = new OptionsController(this, prefs);
+        checkHard.setOnCheckedChangeListener(controller);
+        btnRetour.setOnClickListener(controller);
     }
 }
diff --git a/src/main/java/sae/chuzzle/OptionsController.java b/src/main/java/sae/chuzzle/OptionsController.java
new file mode 100644
index 0000000..ea98471
--- /dev/null
+++ b/src/main/java/sae/chuzzle/OptionsController.java
@@ -0,0 +1,35 @@
+package sae.chuzzle;
+
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.view.View;
+import android.widget.CompoundButton;
+
+public class OptionsController
+        implements CompoundButton.OnCheckedChangeListener, View.OnClickListener {
+
+    private final OptionsActivity activity;
+    private final SharedPreferences prefs;
+
+    public OptionsController(OptionsActivity activity, SharedPreferences prefs) {
+        this.activity = activity;
+        this.prefs = prefs;
+    }
+
+    @Override
+    public void onCheckedChanged(CompoundButton bouton, boolean estCoche) {
+        int id = bouton.getId();
+        if (id == R.id.checkHard) {
+            prefs.edit().putBoolean("hard_mode", estCoche).apply();
+        }
+    }
+
+    @Override
+    public void onClick(View v) {
+        int id = v.getId();
+        if (id == R.id.btnBack) {
+            Intent intent = new Intent(activity, MenuActivity.class);
+            activity.startActivity(intent);
+        }
+    }
+}