The live search should work if there are not favoured stops in the database.
The user should be able to search stops to add his own stops as favorites.

At the moment the last successfull search result is shown if the users searches for an invalid stop name.

At the moment the count of tabs is only updated if you restart the app. In future this should work if the user favoures / opposes an stop in the live search screen.

The user should be able to sort his favoured stops by drag & drop.

View Model: all functions with business logic?
Pass view model as a whole?
....

• If you modifiy the filter, the button says 'Filter löschen'. The button should say 'Filter anwenden'
• If the users removes his input, the filter should only be deleted after the 'Filter löschen' Button is clicked

• If the user clicks on departure monitor he should see the overview of favoured stops.
• If the user swipes to the left he can search for stops and favour or oppose these stops.
• If the user swipes to the right he should get to the live departure tabs.
• If the user clicks on a favoured stops he should get directly to the live departure tab of the favoured stop.
• If the user clicks on the icon of a favoured stop the should is removed form favorites and also from the overview.

The user should be able to sort his favoured stops by drag & drop.