NO.11 …………….. 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?

NO.12 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.13 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?

NO.14 Which type of Flutter widgets is used in designing this app interface ?

NO.15 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.16 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.

NO.17 TextField widget allows app users to type text into an app.

NO.18 Adding a Slider widget in a Flutter app interface should be used to select multiple values at the same time.

NO.19 The Container is a Flutter widget that allows you to customize, compose, decorate and position its child widget.

NO.20 In Flutter, AlertDialog Widget is similar to a small interface which appears for a few seconds at the bottom of the app user interface when the app user takes a specific action such as clicking a button.

NO.21 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.

NO.22 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)?

NO.23 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.24 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.25 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.26 You may add a lot of properties to your Container widget such as background color, size, padding, margins, borders or the shape of text, and other properties.

NO.27 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.28 While configuring your Android app on Firebase web site, you should download the google- services.json file from Firebase web site and add it to your Android app files as illustrated in the image of this question.

Select the best answer from the following choices: What is the main role of this file for your app?