Comprehensive Android Developer Bootcamp - Firestore - Deleting Data

Comprehensive Android Developer Bootcamp - Firestore - Deleting Data

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Hard

Created by

Quizizz Content

FREE Resource

The video tutorial guides viewers through the process of deleting items in an app using Firestore. It covers creating a delete button in XML, registering the delete function, updating Firestore to delete specific fields, and testing the deletion process. The tutorial also explains how to delete an entire document and update the user interface accordingly. Finally, it concludes with instructions for creating a simple to-do application.

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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in creating a delete button in the XML layout?

Create a new button element in the XML

Register the button in the main activity

Test the button functionality

Write the delete logic in Java

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which method is used to delete a specific field in Firebase Firestore?

update() with delete

deleteField()

clearField()

removeField()

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it important to update the user interface after deleting a document?

To improve user experience

To prevent data loss

To reflect the changes made in the database

To ensure the app runs faster

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of the 'delete all' function?

To reset the application

To remove all documents in a collection

To delete the entire contents of a document

To clear the user interface

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What task is introduced at the end of the video?

Creating a complex database application

Building a simple to-do application

Developing a game

Designing a new user interface

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which component is suggested for displaying added items in the to-do application?

ListView

RecyclerView

GridView

TableView

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main focus of the video tutorial?

Developing a mobile game

Creating a user interface

Understanding Firebase Firestore operations

Learning to code in Java