AFD-200 無料問題集「Android Flutter Certified Application Developer」

A floating action button in Flutter development is by default a circular icon button, and you should add the Icon widget as a child widget of FloatingActionButton widget.
Which of the following choices is correct to add a phone icon to the FloatingActionButton widget in a Flutter app ?

Fill in the blank with the correct answer that completes the following sentence.
If you have any error in your Dart code of your Flutter app, the .......................... at the status bar of your Android Studio displays the error description and also displays the line of the code on which the error is.
Also, in most cases the description field in this console gives you an idea about the reason of the error.
What is the name of this console?

Firebase offers two cloud-based, client-accessible database solutions. Which of the following choices is a Firebase database type?

To configure a CheckboxGroup or a RadioButtonGroup in a Flutter app, first you should set the configurations which are illustrated in the image of this question.

What is the file name which includes these configurations?

In this question, check the four images, then answer the following question:

Which image is the run output of the following Dart code?

The correct answer is :