2022 Valid AFD-200 Exam Updates - 2022 Study Guide
AFD-200 Certification - The Ultimate Guide [Updated 2022]
Android AFD-200 Exam Syllabus Topics:
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NEW QUESTION 26
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
Answer: B
NEW QUESTION 27
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?
- A. DateInsert( ) widget
- B. Date Dialog plug-in
- C. Date Mark plug-in
- D. Date Picker plug-in
Answer: D
NEW QUESTION 28
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?
- A. It means that the slider will have only 2 values. The values are 0, and 100.
- B. It means that the slider will have 6 values.. The values are 0, 20, 40, 60, 80 and 100.
- C. It means that the slider will have 3 values only. The values are 0, 50, and 100.
- D. It means that the slider will have 4 values other than the start or the minimum value is 0. The values are
0, 25, 50, 75, and 100.
Answer: D
NEW QUESTION 29
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 ?
- A. obscureText: true
- B. password:hide
- C. password:stars
- D. secureText:yes
Answer: A
NEW QUESTION 30
Adding a Slider widget in a Flutter app interface should be used to select multiple values at the same time.
- A. True
- B. False
Answer: B
NEW QUESTION 31
Check the image in this question first, then assume that you added this Dart code in a Flutter app to create three radio buttons to your app interface. However; you got an error message. There is something that is still missing in this code.
What should you do to correct the error in this code?
- A. Replace the square brackets with two braces brackets { }.
- B. Add a square bracket "]" to close the labels property square bracket.
- C. Replace the RadioButtonGroup widget with RadioButton widget.
- D. You cannot add radio buttons to Flutter apps.
Answer: B
NEW QUESTION 32
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 ............
- A. anchor
- B. title
- C. path
- D. context
Answer: D
NEW QUESTION 33
Flutter widgets are the basic building blocks of a Flutter user interface. Almost everything in Flutter app is a widget such as images, icons, texts, menus, buttons, row, column etc.
- A. True
- B. False
Answer: A
NEW QUESTION 34
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. onPressed
- B. GoTo
- C. flyTo
- D. JumupNow
Answer: A
NEW QUESTION 35
If you created a Flutter app using the Firebase services where the app users had to login to this App using Firebase user accounts (email and password), which of the following Firebase products store these app users' accounts?
- A. Authentication
- B. Database
- C. Storage
- D. Hosting
Answer: A
NEW QUESTION 36
Firebase offers two cloud-based, client-accessible database solutions. Which of the following choices is a Firebase database type?
- A. Realtime Database and Cloud Firestore
- B. Realtime Database and SQL
- C. Cloud Firestore and MySQL
- D. SQL and MySQL
Answer: A
NEW QUESTION 37
Which type of Flutter widgets is used in designing this app interface ?
- A. Switch Widget
- B. Expansion Panel Widget
- C. Bottom Sheet Widget
- D. CupertinoAlertDialog Widget
Answer: B
NEW QUESTION 38
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?
- A. SnackBar
- B. Image
- C. AlertDialog
- D. Padding
Answer: D
NEW QUESTION 39
This widget helps you to have a specific width and/or height between widgets.
Which of the following term is this definition for?
- A. onChanged
- B. SizedBox
- C. SafeArea
- D. AppBar
Answer: B
NEW QUESTION 40
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.
- A. True
- B. False
Answer: B
NEW QUESTION 41
As illustrated in the image in this question, to get the Text value: "Welcome" in this app interface, you may configure the Text widget as a child widget of the Container widget in the following code:
But, you should replace the XXXXXXXXX with one of the following choices. Which of the following is the best answer ?
- A. Margin.VH
- B. Align.Center
- C. VH.Margin
- D. EdgeInsets.symmetric
Answer: D
NEW QUESTION 42
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.
- A. True
- B. False
Answer: A
NEW QUESTION 43
When you build a Flutter app, you can use an Android or an IPhone emulator to test your app UI (user interface ) and its work flow. But you can NOT test this app on a real Android or IPhone device before publishing your app on Apple or Google store.
- A. True
- B. False
Answer: B
NEW QUESTION 44
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