Comprehensive Android Developer Bootcamp - Showing Questions on Screen

This video tutorial guides viewers through setting up a quiz application. It begins with the introduction and setup of text views, followed by adding and configuring them. The tutorial then covers defining instance variables for widgets and connecting UI elements with button click listeners. It explains handling button actions and updating questions, and concludes with implementing navigation logic for moving through questions.

What is the first step in setting up the environment for the application?

• Configuring the main layout

• Adding a new button

• Setting up the database

• Retrieving all widgets

When configuring a text view, what property is adjusted to change its size?

• ID

• Wrap content

• Text size

• Background color

What is the purpose of defining instance variables for UI elements?

• To store user data

• To initialize the database

• To manage application settings

• To reference UI elements in code

What is the initial value of the current question index?

• 10

• 5

• 0

• 1

How are event listeners set up for buttons in the application?

• By using a switch case

• By creating a new layout

• By implementing the OnClickListener

• By defining a new class

What is the role of the OnClickListener in the application?

• To handle button clicks

• To update the UI layout

• To manage database connections

• To initialize variables

What method is used to update the displayed question when navigating through them?

• refreshQuestion()

• updateQuestion()

• setQuestion()

• changeQuestion()

Which method is used to retrieve an item from an ArrayList?

• get()

• fetch()

• retrieve()

• find()

What is the purpose of using the percentage sign when incrementing the current index?

• To increase the index by a percentage

• To reset the index

• To decrease the index

• To ensure the index stays within bounds

What should be done to ensure the first question is displayed when the app starts?

• Initialize the question list

• Set the current index to 1

• Call the updateQuestion method

• Refresh the UI