Your First Flutter App: Polishing the App

Apr 12 2022 · Dart 2.14.1, Flutter 2.5, Visual Studio Code

Part 1: Introduction to Dart

07. Use Number Methods

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Notes: 07. Use Number Methods

abs method

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At this point, you’ve simplified your algorithm to calculate the difference down to a few lines of code. That’s good, but we can do even better.

int _pointsForCurrentRound() {
    const int maximumScore = 100;
    int difference = - _model.current;
    return maximumScore - difference;
int difference = ( - _model.current);
int difference = ( - _model.current).abs();