From 762d7d19a297de75a53b552d655ef2f43c77fc71 Mon Sep 17 00:00:00 2001
From: uykek <uykek@student.kit.edu>
Date: Sat, 22 Aug 2020 15:20:41 +0200
Subject: [PATCH] Add back button to CreateSudokuActivity

---
 .../ui/CreateSudokuActivity.java                     | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/app/src/main/java/org/secuso/privacyfriendlysudoku/ui/CreateSudokuActivity.java b/app/src/main/java/org/secuso/privacyfriendlysudoku/ui/CreateSudokuActivity.java
index a8f215d..73e0adc 100644
--- a/app/src/main/java/org/secuso/privacyfriendlysudoku/ui/CreateSudokuActivity.java
+++ b/app/src/main/java/org/secuso/privacyfriendlysudoku/ui/CreateSudokuActivity.java
@@ -34,6 +34,7 @@ import android.widget.TextView;
 import android.widget.Toast;
 
 import androidx.appcompat.app.AppCompatDelegate;
+import androidx.appcompat.widget.Toolbar;
 
 import org.secuso.privacyfriendlysudoku.controller.GameController;
 import org.secuso.privacyfriendlysudoku.controller.Symbol;
@@ -89,6 +90,11 @@ public class CreateSudokuActivity extends BaseActivity implements IFinalizeDialo
     private void setUpLayout() {
 
         setContentView(R.layout.activity_create_sudoku);
+
+        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
+        setSupportActionBar(toolbar);
+        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
+
         layout = (SudokuFieldLayout)findViewById(R.id.sudokuLayout);
         layout.setSettingsAndGame(sharedPref, gameController);
 
@@ -113,6 +119,12 @@ public class CreateSudokuActivity extends BaseActivity implements IFinalizeDialo
         gameController.notifyHighlightChangedListeners();
     }
 
+    @Override
+    public boolean onSupportNavigateUp() {
+        onBackPressed();
+        return true;
+    }
+
     @Override
     public void onResume(){
         super.onResume();