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Android AFD-200 - Flutter Certified Application Developer

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Total 49 questions

Assume that you have a Flutter app and the code of main.dart file is as follows:

Check the images in this question and answer which of these images is the run output of this app?

A.

Image 1

B.

Image 2

C.

Image 3

D.

Image 4

Assume that you designed a Flutter app as illustrated in the image of this question. When you tapped the "Bottom Sheet" button, you got a bottom sheet including the text "Welcome to Android ATC".

But, you were not able to tap the "Test Button" button in this app interface when this bottom sheet was

active.

Which of the following choices about the type of this Bottom Sheet Widget is correct?

A.

Persistent Bottom Sheet

B.

Modal Bottom Sheet

C.

Middle Bottom Sheet

D.

Secure Bottom Sheet

Select the correct choice below to complete the following sentence:

SnackBar widget is used if you want to let your app pop up a message............... at the bottom of your app interface.

A.

For a few seconds

B.

Forever

C.

Until the app user taps the close button of this message

D.

Until the app user taps the OK button for of message

In Flutter development, you can add three rows inside a column and add an image within each row.

A.

True

B.

False

The Container is a Flutter widget that allows you to customize, compose, decorate and position its child

widget.

A.

True

B.

False

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?

A.

README.md

B.

AndroidManifest.xml

C.

pubspec.yaml

D.

gradlew.bat

................. command checks your environment and displays a report of the status of your Flutter and Android Studio other than IDE software installation.

Which of the following choices is the correct answer to fill in the blank above?

A.

Flutter Doctor

B.

Flutter Connection

C.

Flutter Screen

D.

Flutter IDE_XML

Which of the following choices is the best answer for adding an image from your computer hard disk to a Flutter project ?

A.

You cannot add an image from your computer hard disk to a Flutter project. You can only configure your

code to use an image from a web link .

B.

Add a new folder (directory) to your Flutter file structure, copy the image from your hard disk, paste this

image in the image folder then configure your Dart file in this Flutter project to use this image file name.

C.

Add a new folder (directory) to your Flutter file structure, copy the image from your hard disk, paste this

image in the image folder, configure your Dart file in this Flutter project to use this image file name,

configure your Flutter project pubspec.yaml file to use this image folder, then click "Packages get" at the

top of pubspec.yaml file.

D.

Click File menu in any Flutter IDE, select Insert, select Image, browse to select the image, click Save

three times, and then restart your IDE.

Which of the following choices is the best answer for adding an image from your computer hard disk to a Flutter project ?

A.

You cannot add an image from your computer hard disk to a Flutter project. You can only configure your

code to use an image from a web link .

B.

Add a new folder (directory) to your Flutter file structure, copy the image from your hard disk, paste this

image in the image folder then configure your Dart file in this Flutter project to use this image file name.

C.

Add a new folder (directory) to your Flutter file structure, copy the image from your hard disk, paste this

image in the image folder, configure your Dart file in this Flutter project to use this image file name,

configure your Flutter project pubspec.yaml file to use this image folder, then click "Packages get" at the

top of pubspec.yaml file.

D.

Click File menu in any Flutter IDE, select Insert, select Image, browse to select the image, click Save

three times, and then restart your IDE.

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.

A.

True

B.

False