Question 1

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 :

Options :

A :

Image 1

B :

Image 2

C :

Image 3

D :

Image 4

Answer: A

Question 2

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?

Options :

A : README.md

B : AndroidManifest.xml

C :

pubspec.yaml

D : gradlew.bat

Answer: C

Question 3

The image in this question is a part of Flutter app interface which includes four TextFields. When the app user

types anything in the password TextField, all the characters in the text field are replaced with stars to hide the

user's passworD. To do this, you should add a specific property to the password TextField

widget.

Which of the following choices is the property and what property value should one add to the password

TextField widget to get this type of secure input ?

Options :

A :

obscureText: true

B : secureText:yes

C : password:stars

D : password:hide

Answer: A

Question 4

How many child widgets can be added to the Container widget?

Options :

A : Unlimited children widgets

B : Only one child widget

C : Two children widgets

D : Three children widgets

Answer: B

Question 5

A plug-in is used to enter the date in your Flutter app interface instead of asking an app user to add it

manually.

Which is of the choices below represents this definition?

Options :

A : DateInsert( ) widget

B : Date Picker plug-in

C :

Date Dialog plug-in

D : Date Mark plug-in

Answer: B