The Art of Doing: Dive Into Android Development with Kotlin - Writing Our Main Activity Part 1 "Counter App"

The Art of Doing: Dive Into Android Development with Kotlin - Writing Our Main Activity Part 1 "Counter App"

Assessment

Interactive Video

Created by

Quizizz Content

Information Technology (IT), Architecture

University

Hard

The video tutorial covers the development of a counter app in Android. It begins with a discussion on theme adjustments, specifically changing the color palette for better aesthetics. The tutorial then moves on to setting up the main activity, explaining lifecycle methods and the importance of the onCreate method. It details how to reference buttons and set click listeners, followed by declaring functions for button actions. Finally, it explains the use of the lateinit keyword to initialize views for global access, ensuring efficient resource management.

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10 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What color was originally set as the primary variant in the counter app?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What new color resource was created to replace the antique Ruby?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the purpose of the onCreate method in the main activity?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What are the names of the buttons referenced in the main activity?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

Why is it important to call findViewById only once in the onCreate method?

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

How are the IDs for the views in the layout generated?

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

What does the submit button's onClick listener call?

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