XML parsing can be done via XmlDocument.parse("...").

False

True

The Flutter inspector shows janky frames with red bars.

False

True

The BlocBuilder<T, K> widget (from 'flutter_bloc') is the one that rebuilds the UI in response to state changes sent by the bloc.

False

True

Instance variables can only be declared as final while const can be applied in combination with the static keyword.

False

True

An AnimatedWidget is a Listenable.

False

True

The MaterialApp and CupertinoApp widget have the onRouteGenerated callback to initialize routes.

False

True

The Google Font package prioritizes pre-bundled font files over http fetching.

False

True

An Element in the element tree always has an associated RenderObject in the render tree.

False

True

jsonDecode() returns an instance of the class being decoded.

False

True

Using the Memory View page of DevTools, you can spot memory leaks.

False

True

In Dart, deep copies are made with copyWith().

False

True

The rootBundle object should be used inside stateful and stateless widgets.

False

True

Future.wait<T>() blocks the execution because it waits the completion of every Future<T>.

False

True

Single fields on Firestore documents can be deleted with FieldValue.delete().

False

True

In Dart there cannot be nested classes.

False

True

Assertions work in profile, debug and release mode.

False

True

The following code compiles successfully.

class Super {
  int a;
  Super(this.a);
}

class Sub extends Super {
  int b;
  Sub(int b) : super(b*b), this.b = b;
}

False

True

The Localizations.of<T>() method returns a nullable value.

False

True

The element tree is used to make quick comparisons between widgets and RenderObjects.

False

True

The load() method of LocalizationsDelegate<T> is the following:

Future<AppLocalization> load(Locale locale) =>
  Future<AppLocalization>(
    AppLocalization(locale)
  );

False

True

The following code throws an exception.

void func({String? a}) {
  print(a);
}

void main() {
  func();
}

False

True

Flutter uses a series of bridges to communicate with OEM widgets of the underlying operating system.

False

True

In Dart, even functions are actually classes.

False

True

Widgets (StatelessWidget and StatefulWidget) are immutable.

False

True

The factory constructor of Set<T> returns a LinkedHashSet<T>.

False

True