NO.16 The image in this question includes a Dart code for a Raised button widget. When the app user taps this button, the app will display the content of Screen2( ) class of this app using Navigator.push navigation technique.

To do this you should replace the xxx in this Navigator.push class with …………

NO.17 The following code is used to add a floating action button to a Flutter app interface.
Which of the following function or method can be used to add an action to this button if the app user tapsthis button?

NO.18 This widget is used to wrap a Column, Row, Container, or other widgets. This widget adds a filling size around the child widget.
Which of the following term is this definition for?

NO.19 If you install the Flutter SDK on your computer and configure it as a plug-in for Android Studio or another IDE software, Android Studio will be able to create Flutter apps.

NO.20 The image in this question includes a Flutter app interface. Which Flutter widget has been added to this app title bar to add this navigation button?

NO.21 The code in this image is to add a Slider widget to a Flutter app interface.
The divisions property value is 4. What does that mean?

NO.22 presentationThis question includes an image for an app interface.

Which of the following choices is correct about the widget which includes all these children widgets?

NO.23 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?

NO.24 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?

NO.25 This widget helps you to have a specific width and/or height between widgets.
Which of the following term is this definition for?

NO.26 When you want to create a Flutter app, you need to configure a lot of widgets and change their format. You don’t need to create everything from scratch. You can easily add the Scaffold class or widget to your app. This class implements the basic material design visual layout structure for your app.

NO.27 After you create a Flutter app, you need to configure an app icon for your app.
The question is:
If you configure an app icon to your Android code of this Flutter app, the icon of your iOS code for the same Flutter app will be added automatically.

NO.28 If you want to create a Flutter app using a Mac computer, you need to install Android Studio or another IDE software and another prerequisite software Flutter SDK. However, you can test your Flutter apps using IPhone emulator only.

NO.29 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 ?

NO.30 The image in this question includes a part of Android Studio tools bar.

Which of the following choices is correct about the missing icon name (represented by question marks)?