The image of this question includes a part of android studio tools bar. Which of the following choices is correct about the name of the missing icon name (represented by question marks)?

AVD manager (android virtual device manager)

What is the following image?

The Google maps plug-in toolbar

The image in this question includes a part of android studio tools bar. Which of the following is correct about the name of the missing icon name (represented by question marks)?

Apply changes and restart activity

The XML code of this question is for a button widget. Which of the following choices is correct about the id of this widget?

This id must be unique in your application

The id must start with small letter and without numbers

You can’t change this id if you run your app on an android emulator

All the buttons in this app must have the same id

The image in this question displays the android app uses of check boxes and radio buttons. As you can in the component tree, why the android developer added the two radio buttons to a parent RadioGroup? Select the best answer of the choices below.

Because using a radio group as a parent for these radio buttons, the app user can only check one radio button from a group of radio buttons.

Because we can’t publish any android app to google play store if it includes radio buttons that do not belong to any radio button group

Because this is easier so that when android developer moves a radio button, all the other radio buttons belonging to the same radio group will move together

because this helps android developers to set all these radio buttons vertically with the same format.

As illustrated in the image below, when the app user taps the SAVE button in this android app, this user gets a message with three buttons. Which of the choices below is correct about the kotlin code of this app?

the android developer used the AlertDialog subclass to display the dialog box, dialog title and these three buttons

the android developer used the Notification class to display the notification box, notification title and these three buttons

the android developer used the pushDialog subclass to display the dialog box, dialog title and these three buttons

the android developer used the SnackBar dialog box to display the dialog box, dialog title and these three buttons

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 below. What is the main role of this file for your app?

This configuration file includes the https connection settings between your android app and Firebase services

This file includes your username and password for firebase web site

The role of this file is to import the last security updates from firebase web site to the app users

This file checks if the app user’s device has internet connection each time the app user starts it

Firebase offers two cloud-base, client-accessible database solutions. Which of the following choice is a firebase database type?

Realtime database and Cloud Firestore

MapNowRealtime database and SQL

GoogleMapCloud Firestore and MySQL

Fill in the blank with the best answer to complete the following sentence: To add a google map marker to a specific location on your app google map, you should have ……………..

The latitude and longitude values for this location

The google map marker color hexadecimal code

A city name where this location exists

Which of two the following answers are correct about adding a button widget to an android activity? (select two answers)

You can drag-and-drop a button widget from the palette panel in android studio to your activity interface

You can open the activity file in the code mode, then add a button by typing the XML code

From the android studio, click insert menu, then select button

Add image to your android activity, then change the attribute value to button

An android developer has added a webview class to an android app to display an internet website inside an app activity. However, when he runs the android app, he gets the run result illustrated in this question image. If this developer asked your help, which of the choice below you will select to troubleshoot this problem?

ask the developer to add the following tag to the AndroidManifest file in this app : <uses-permission android:name=”android.permission.INTERNET” />

ask the developer to disable the wifi and use mobile data for the android device or emulator to access internet connection

ask the developer to restart his app

ask the developer to enable the GPS location

The MainActivity Kotlin file in this question is for an Android app. The run result of this app displays a rating bar. When the app user selects the number of stars then clicks the SUBMIT button, he will get the rating as value below the SUBMIT button as illustrated in the image of this question. Which of the choices below describes the rateText in this MainActivity file?

rateText is the id value of the TextView widget which is used to display the rating bar value.

rateText is a class used to display the five stars in the rating bar.

rateText is a method used to display the SUBMIT button.

rateText is the text value of the TextView widget which is used to display the rating bar value.

The Android project files structure in this question image is for an Android app uses a menu to navigate this app activities (interfaces). The menu.xml file includes the menu items. Which of the choices below you will use to display this menu items in your app interface?

menuInflater.inflate( R.menu.menu , menu)

menu.return( R.menu.menu , menu)

If a company asked you to create an Android app for a restaurant menu. This restaurant customers will use the menu to select their order. This menu consists of a list of items and each item includes an image, item name, and some details about it. Also, the customer can search about the item which he/she would like to order. The customer can scroll this restaurant menu vertically. Which of the following Android widgets you will use in designing this restaurant menu?

RecyclcerView and SearchView widgets

CardView and SearchView widgets

RecyclerView and FindView widgets

Bottom AppBar and SearchView widgets

When you right click anywhere on Google map, you should get a shortcut menu similar to the image below. What do the numbers located at the top of this shortcut menu mean? Select the best answer of the choices below:

They are the latitude and longitude coordinate values

They are Google map API key and your account number

They are Google map API key and your session number

They are Google map API key and your map fragment number

The Kotlin code below is added to an Android app to display Google map. Which the choices below is the best answer?

This code will display a red Google map marker (pin) on the Google map and when the app user clicks or taps this marker, he will get a title for this marker which is: CN Tower

This code will display a red Google map marker (pin) on the Google map and this marker has an android logo shape

This code will display a red Google map marker (pin) on the Google map with a title for this marker named: CN Tower

This code will display a red Google map marker (pin) on the Google map and when the app user clicks or taps this marker, he will not see any title

Android ATC_Practice 4

Authored by Hasbah Hashim

Computers

Professional Development

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45 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When you build Android app, you can use Android emulator to test your app UI (User Interface) and its work flow. However, you can NOT test this app on a real android device before publishing your app on Google Play store.

True

False

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Google allows websites, mobile apps, and other media to connect to its database and import it in JSON format.

True

False

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An Android Geo-location plug-in is used to get the current location of the device feature.

True

False

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is Android Studio?

It is a free software used to create PHP code

It is a free software used to create a web page or more

It is a free software used to create the SQL database for web development

It is a Google’s official Integrated Development Environment (IDE) for Android app development

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The prerequisite to install android studio IDE is to install java JDK and Adobe Reader.

True

False

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The android virtual device AVD manager is an interface that you can launch from android studio which helps you create and manage android virtual devices (android emulators).

True

False

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Only the android applications which have Google maps have an AndroidManifest.xml file.

True

False

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Android ATC_Practice 4

When you build Android app, you can use Android emulator to test your app UI (User Interface) and its work flow. However, you can NOT test this app on a real android device before publishing your app on Google Play store.

Google allows websites, mobile apps, and other media to connect to its database and import it in JSON format.

An Android Geo-location plug-in is used to get the current location of the device feature.

What is Android Studio?

The prerequisite to install android studio IDE is to install java JDK and Adobe Reader.

The android virtual device AVD manager is an interface that you can launch from android studio which helps you create and manage android virtual devices (android emulators).

Only the android applications which have Google maps have an AndroidManifest.xml file.

When you are creating an android app using android studio, you will have activity_main.xml file can be opened in the design and code mode.

When you create an android using android studio, your android app icon will be a white circle logo by default.

The android app icon in the android studio consists of two layers and there are call foreground layer and background layer.

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