dodano metodę tworzenia aktywności

app/src/main/java/com/example/notatkon/CreateNote.java

@@ -1,4 +1,25 @@
 package com.example.notatkon;
 
-public class CreateNote {
+import android.os.Bundle;
-}
+import android.view.View;
+import android.widget.ImageView;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+public class CreateNote extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.create_note);
+
+        ImageView imageBack = findViewById(R.id.back);
+
+        imageBack.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                onBackPressed();
+            }
+        });
+    }
+}