Midnight request #1
Open
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Achieved so far:
--> the questions appear & are interactive; answer choice works;
--> at least the RadioQuestion class is entirely properly implemented AFAIK;
--> the answers & their questions are saved in the controller's HashMap.
Basic TODO:
--> the study does not finish properly (everything just hanging, no endscreen);
--> the endbutton shows up at a position where we definitely did not want it to ;) ;
--> the notifier/listener logic seems to have gone wrong somewhere inside the controller.
Still working on the code (hopefully we'll get this until next Thursday).