Category Android

NO.11 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 ?

NO.12 This widget helps you to have a specific width and/or height between widgets.
Which of the following term is this definition for?

NO.13 presentationThis question includes an image for an app interface.

Which of the following choices is correct about the widget which includes all these children widgets?

NO.14 The image in this question includes a Flutter app interface. Which Flutter widget has been added to this app title bar to add this navigation button?

NO.15 Which of the following choices is the best answer for adding an image from your computer hard disk to a Flutter project ?

NO.16 presentation [The image of this question includes a Flutter app interface run result as it appears on Android and on iOS emulators. When the app user taps the button on the app title bar, he/she will get a menu with some items.

Which of the following Flutter widgets is used to create this type of buttons ?

NO.17 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.18 Flutter works with many development tools which are compatible with Flutter plug-ins (Flutter SDK).
Which of the following software can be used to build a Flutter app ? (Select three)

NO.19 A Stateful widget is a dynamic widget which can change the appearance of its content in response to events triggered by user’s interactions or when it receives data.

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 Firebase offers two cloud-based, client-accessible database solutions. Which of the following choices is a Firebase database type?

NO.22 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?

NO.23 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.24 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 ?

NO.25 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?

NO.26 …………….. 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?