AFD-200 試験問題を無料オンラインアクセス

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.Until the app user taps the OK button for of message
• C.Forever
• D.Until the app user taps the close button of this message

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?

• A.Hot Reload
• B.Terminal
• C.Dart Analysis
• D.Run

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?

• A.GoTo
• B.flyTo
• C.onPressed
• D.JumupNow

The image in this question includes a Flutter app interface which uses three tabs to navigate the app content.

Which of the following choices is the parent widget for the TabBar and TabBarView widgets?

• A.TabOptions
• B.TabScreenSelect
• C.TableTabSelect
• D.DefaultTabController

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 3
• B.Image 1
• C.Image 4
• D.Image 2