diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
new file mode 100644
index 0000000..562ecfe
--- /dev/null
+++ b/.gitlab-ci.yml
@@ -0,0 +1,15 @@
+image: cirrusci/flutter:latest
+
+stages:
+  - analyze
+
+before_script:
+  - flutter pub get
+  - flutter clean
+
+analyze:
+  stage: analyze
+  script:
+    - flutter analyze
+  only:
+    - merge_requests
diff --git a/lib/widgets/mood_form.dart b/lib/widgets/mood_form.dart
index 20031df..f6fd0e0 100644
--- a/lib/widgets/mood_form.dart
+++ b/lib/widgets/mood_form.dart
@@ -22,8 +22,7 @@ class _MoodFormState extends State<MoodForm> {
   void submitForm() {
     if (_moodFormKey.currentState!.validate()) {
       _moodFormKey.currentState?.save(); //call every onSave Method
-      Mood mood =
-          Mood(slider.getSliderValue().toInt(), _textInput, DateTime.now());
+      Mood mood = Mood(slider.sliderValue.toInt(), _textInput, DateTime.now());
       DatabaseService.instance.addMood(mood);
       _moodFormKey.currentState?.reset();
     }
diff --git a/lib/widgets/sleep_form.dart b/lib/widgets/sleep_form.dart
index 732a27a..eb86e89 100644
--- a/lib/widgets/sleep_form.dart
+++ b/lib/widgets/sleep_form.dart
@@ -29,7 +29,7 @@ class _SleepFormState extends State<SleepForm> {
     if (_sleepFormKey.currentState!.validate()) {
       _sleepFormKey.currentState?.save(); //call every onSave Method
       Sleep sleep = Sleep(
-          slider.getSliderValue().toInt(),
+          slider.sliderValue.toInt(),
           _textInput,
           DateTime.now(),
           sleepTimePicker.getCurrentTime,