app/src/main/java/com/example/childguard/QrControlActivity.java

@@ -8,8 +8,14 @@ import androidx.core.graphics.Insets;
 import androidx.core.view.ViewCompat;
 import androidx.core.view.WindowInsetsCompat;
 
+import com.google.android.material.appbar.MaterialToolbar;
+
+import java.util.Objects;
+
 public class QrControlActivity extends AppCompatActivity {
 
+
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -20,5 +26,25 @@ public class QrControlActivity extends AppCompatActivity {
             v.setPadding(systemBars.left, systemBars.top, systemBars.right, systemBars.bottom);
             return insets;
         });
+
+        MaterialToolbar toolbar = findViewById(R.id.qr_control_toolbar);
+        setSupportActionBar(toolbar);
+        Objects.requireNonNull(getSupportActionBar()).setDisplayHomeAsUpEnabled(true);
+
+
+    }
+
+    @Override
+    public boolean onCreateOptionsMenu(android.view.Menu menu) {
+        getMenuInflater().inflate(R.menu.qr_preview_manu, menu);
+        return true;
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(android.view.MenuItem item) {
+        if (item.getItemId() == R.id.print_qr) {
+
+        }
+        return super.onOptionsItemSelected(item);
     }
 }

app/src/main/res/layout/activity_qr_control.xml

@@ -5,6 +5,29 @@
     android:id="@+id/main"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    tools:context=".QrControlActivity">
+    tools:context=".GeneratedQrFragment" >
+
+    <com.google.android.material.appbar.MaterialToolbar
+        android:id="@+id/qr_control_toolbar"
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        android:background="@color/white"
+        android:elevation="4dp"
+        android:theme="@style/ThemeOverlay.AppCompat.ActionBar"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:title="Preview"/>
+
+
+    <ImageView
+        android:id="@+id/result_bitmap_image_view"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
+        android:src="@drawable/close_fill0_wght400_grad0_opsz24"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/toolbar" />
 
 </androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/menu/qr_preview_manu.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <item
+        android:id="@+id/print_qr"
+        android:icon="@drawable/ic_home_black_24dp"
+        android:title="Print"/>
+</menu>