diff --git a/DEV4.5/exo4_controle_2022 b/DEV4.5/exo4_controle_2022
new file mode 100644
index 0000000..e97a40d
--- /dev/null
+++ b/DEV4.5/exo4_controle_2022
@@ -0,0 +1,112 @@
+Fichier MainColorActivity.java
+
+package com.example.organisation;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.view.View;
+import androidx.appcompat.app.AppCompatActivity;
+
+public class MainColorActivity extends AppCompatActivity {
+    private View selectedView;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main_color);
+
+        findViewById(R.id.blueBox).setOnClickListener(v -> openColorPicker(v));
+        findViewById(R.id.greenBox).setOnClickListener(v -> openColorPicker(v));
+    }
+
+    private void openColorPicker(View view) {
+        selectedView = view;
+        Intent intent = new Intent(this, ColorPickerActivity.class);
+        startActivityForResult(intent, 1);
+    }
+
+    @Override
+    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
+        super.onActivityResult(requestCode, resultCode, data);
+        if (requestCode == 1 && resultCode == RESULT_OK && data != null) {
+            int color = data.getIntExtra("selectedColor", 0);
+            selectedView.setBackgroundColor(color);
+        }
+    }
+}
+
+Fichier ColorPickerActivity.java
+
+package com.example.organisation;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.os.Bundle;
+import android.view.View;
+import androidx.appcompat.app.AppCompatActivity;
+
+public class ColorPickerActivity extends AppCompatActivity {
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_color_picker);
+    }
+
+    public void selectColor(View view) {
+        int color = ((View) view).getSolidColor();
+        Intent intent = new Intent();
+        intent.putExtra("selectedColor", color);
+        setResult(Activity.RESULT_OK, intent);
+        finish();
+    }
+}
+
+Fichier activity_main_color.xml
+
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    android:padding="20dp">
+
+    <View
+        android:id="@+id/blueBox"
+        android:layout_width="100dp"
+        android:layout_height="100dp"
+        android:background="#33B5E5"
+        android:onClick="openColorPicker"/>
+
+    <View
+        android:id="@+id/greenBox"
+        android:layout_width="100dp"
+        android:layout_height="100dp"
+        android:background="#99CC00"
+        android:onClick="openColorPicker"/>
+</LinearLayout>
+
+Fichier activity_color_picker.xml
+
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="horizontal"
+    android:padding="20dp">
+
+    <View
+        android:layout_width="100dp"
+        android:layout_height="100dp"
+        android:background="#FF0000"
+        android:onClick="selectColor"/>
+
+    <View
+        android:layout_width="100dp"
+        android:layout_height="100dp"
+        android:background="#00FF00"
+        android:onClick="selectColor"/>
+
+    <View
+        android:layout_width="100dp"
+        android:layout_height="100dp"
+        android:background="#0000FF"
+        android:onClick="selectColor"/>
+</LinearLayout>
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