I used android studio and intelli j as my IDE's here If you have visual studios pre-installed you can use that too
To run the attached .dart scripts , an emulator supporting playstore must be installed via Android SDK .
Just write the following name of class in main.dart file .
For ex: void main() => runApp( new MaterialApp( home:BillSplitter(),
if I want to involke BillSplitter class Apps created 1.generate random quote (use class name :Wisdom) 2.business card( bizcard) 3.quiz app(Quiz). We can create as many as apps we want in single dart file we just have to mention the names of class in "main.dart".