Comprehensive Android Developer Bootcamp - App- Showing Money Counter - Currency Format

Comprehensive Android Developer Bootcamp - App- Showing Money Counter - Currency Format

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

The video tutorial demonstrates how to create a money counter in an Android app. It covers setting up a counter variable, incrementing it on button taps, and dynamically updating the UI to display the counter value. The tutorial also addresses converting integers to strings for display and formatting numbers as currency using Java's NumberFormat class. The video emphasizes the importance of adapting code to different locales and provides troubleshooting tips for common issues.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the initial value set for the money counter in the app?

1000

100

0

500

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How much is the money counter incremented by each time the button is tapped?

1000

500

2000

1500

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of linking the money counter to a text view?

To change the app theme

To change the button color

To display the counter value dynamically

To reset the counter

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it necessary to convert the integer counter to a string?

To perform mathematical operations

To store it in a database

To send it over a network

To display it in a text view

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which method is suggested for converting an integer to a string?

Integer.toBinaryString()

Integer.toHexString()

Integer.toString()

Integer.toOctalString()

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What class is used to format numbers as currency?

CurrencyFormat

DecimalFormat

NumberFormat

LocaleFormat

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does the NumberFormat class determine the currency format?

Based on the device's locale

Based on the app's version

Based on the user's input

Based on the app's theme

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