Android Realm Fundamentals from Pluralsight

To save a large amount of structured data persistently, you need a database system. In this course, you'll discover Realm, an object-oriented database system that stores data in an object tree and performs queries at a very high speed.

Most Android apps need to save data persistently. Data saved can be the user settings, file based, and can be in a structured form. To save a large amount of structured data persistently, we need a database system. In this course, Android Realm Fundamentals, you'll discover Realm, an object-oriented database system that stores data in an object tree and performs queries at a very high speed. The database remains private to your own application, and by default cannot be accessed from outside the application. First, you'll learn the basic fundamentals of Realm and how to integrate it into your own project. Next, you'll dive further into Realm by exploring how to write queries, perform sync and async transactions, and how to implement Realm into use for creating a professional app. Finally, you'll learn miscellaneous concepts such as, Realm notifications, custom Realm configurations, database migration, and upgrading Realm schema. By the end of this course, you'll have a strong foundation and understanding of the Realm Database System in Android.

The database itself is free and open source. Realm for Android appeared in 2014 and has been constantly evolving since then. Some updates break backward compatibility; however fixes can be made quite easily and quickly.

Realm is a lightweight database that can replace both SQLite and ORM libraries in your Android projects. Compared to SQLite, Realm is faster and has lots of modern features, such as JSON support, a fluent API, data change notifications, and encryption support, all of which make life easier for Android developers.

Synchronous basically means that you can only execute one thing at a time. Asynchronous means that you can execute multiple things at a time and you don't have to finish executing the current thing in order to move on to next one.

Realm is an open source object database management system, initially for mobile operating systems (Android/iOS) but also available for platforms such as Xamarin, React Native, and others, including desktop applications (Windows), and is licensed under the Apache License.

Database migration — in the context of enterprise applications — means moving your data from one platform to another. There are many reasons you might want to move to a different platform. For example, a company might decide to save money by moving to a cloud-based database.

What's inside

Syllabus

Course Overview

Make the Most out of This Course

Getting Familiar with Realm

Setting up Realm

Performing Query, Update, and Delete Operation

Creating an App Using Realm

Exploring Miscellaneous Realm Concepts

Conclusion

Good to know

Know what's good

, what to watch for

, and possible dealbreakers

Serves as a comprehensive guide to the Realm database system for Android applications

Strengthens a foundation in the fundamentals of database management systems

Emphasizes practical implementation of Realm in professional Android app development

Focuses on Realm's benefits for Android development, including speed, modern features, and ease of integration

Provides a comprehensive overview of Realm's capabilities, including queries, transactions, and notifications

Activities

Be better prepared before your course. Deepen your understanding during and after it. Supplement your coursework and achieve mastery of the topics covered in Android Realm Fundamentals with these activities:

Compile a list of Realm resources

Show steps

Gather a comprehensive collection of Realm-related resources, such as documentation, tutorials, and community forums, to have quick access to relevant information.

Show steps

Create a document or spreadsheet
Add relevant resources, including links to documentation, tutorials, and community forums
Organize and categorize the resources for easy access

Review Realm documentation

Show steps

Realm documentation provides comprehensive information on the library's features and best practices. Reviewing it will ensure a solid understanding of Realm's capabilities.

Show steps

Read through Realm's official documentation
Familiarize yourself with key concepts like objects, properties, and Realm Queries

Review Android development basics

Show steps

Ensure a strong foundation in Android development principles to enhance your understanding of Realm implementation.

Browse courses on Android Development

Show steps

Revisit materials from a previous Android development course or online resources
Practice writing Android code snippets to refresh your understanding
Set up an Android development environment and create sample projects

19 other activities

Expand to see all activities and additional details

Show all 22 activities

Follow Realm tutorials

Show steps

Realm provides a range of tutorials covering various use cases. Following these tutorials will supplement your learning from the course.

Show steps

Browse Realm's tutorial library
Select tutorials relevant to your interests and knowledge level
Complete the tutorials and apply the concepts to your own projects

Review SQL

Show steps

Review the basics of SQL to strengthen your foundation for working with Realm.

Browse courses on SQL

Show steps

Go over your notes from a previous SQL course or tutorial.
Complete some SQL practice problems online.

Review database principles

Show steps

Ensure a solid foundation for understanding Realm by reviewing the fundamentals of database design and principles.

Show steps

Refer to notes or online resources to recap ER models and normalization.
Review examples of database schemas and practice creating your own.
Set up a practice environment to experiment with database queries and CRUD operations.

Review basic data structures and algorithms

Show steps

Start the course with a solid understanding of fundamental data structures and algorithms to accelerate progress.

Browse courses on Data Structures

Show steps

Review notes or materials from a previous data structures and algorithms course
Solve practice problems on platforms like LeetCode or HackerRank
Work through tutorials or online courses on data structures and algorithms

Follow Realm tutorials

Show steps

Complete the official Realm tutorials to gain practical experience using Realm.

Browse courses on Realm

Show steps

Visit the Realm documentation website.
Choose a tutorial that aligns with your learning goals.
Follow the tutorial steps carefully and experiment with the code.

Practice queries on mock database

Show steps

Realm queries can replace SQL queries in many cases. Practice writing and executing queries to reinforce understanding.

Browse courses on SQL

Show steps

Set up mock database and Realm instance
Write queries for common scenarios, such as retrieving, filtering, and aggregating data
Execute queries and verify results

Follow online tutorials on Realm

Show steps

Complement the course materials with interactive tutorials to enhance your understanding of Realm's concepts and usage.

Browse courses on Realm

Show steps

Search for tutorials on Realm's official website or other reputable sources
Follow step-by-step instructions to build sample projects and experiment with Realm's features
Troubleshoot any issues encountered during the tutorials

Solve Realm exercises

Show steps

Practice writing Realm queries and performing data operations to improve your proficiency.

Browse courses on Realm

Show steps

Find online resources or textbooks with Realm exercises.
Attempt to solve the exercises on your own.
Review your solutions and identify areas for improvement.

Complete practice exercises in the course

Show steps

Reinforce your comprehension by actively practicing the concepts covered in the lessons and assignments.

Browse courses on Realm

Show steps

Attempt the quizzes and exercises provided in the course materials
Create your own practice scenarios to test your understanding
Share your solutions with peers or the instructor for feedback

Participate in study groups or collaborate with peers

Show steps

Enhance your learning by collaborating with peers, discussing concepts, and sharing insights.

Browse courses on Realm

Show steps

Join or create study groups with other course participants
Host virtual or in-person meetings to discuss course materials and assignments
Facilitate peer-to-peer knowledge sharing and support

Build a simple CRUD app using Realm

Show steps

Creating a CRUD (Create, Read, Update, Delete) app allows you to apply Realm's features in a practical scenario, solidifying your understanding.

Browse courses on Android App Development

Show steps

Design the app's data model and UI
Implement data persistence using Realm
Write CRUD operations for managing data
Test the app's functionality

Build a simple Realm app

Show steps

Create a small Android application using Realm to solidify your understanding of its features and capabilities.

Browse courses on Realm

Show steps

Plan the functionality and design of your app.
Implement the app using Realm for data persistence.
Test and iterate on your app to improve its functionality and user experience.

Mentor a beginner in Android development or Realm

Show steps

Enhance your comprehension by guiding others, reinforcing your knowledge while fostering a supportive learning community.

Browse courses on Realm

Show steps

Identify opportunities to mentor beginners through online forums, study groups, or volunteering
Provide guidance and support to help them understand concepts and overcome challenges
Share your experiences and insights to inspire and motivate your mentee

Assist fellow learners in Realm forums

Show steps

Mentoring others encourages you to articulate your understanding of Realm and reinforces your knowledge through teaching.

Show steps

Join Realm community forums or discussion groups
Identify questions or discussions where you can provide valuable insights
Share your knowledge and offer assistance to other learners

Contribute to the Realm open source project

Show steps

Engage with the Realm community by contributing to the open source project, enhancing your understanding of Realm's architecture and internals.

Browse courses on Realm

Show steps

Familiarize yourself with the Realm GitHub repository.
Identify an area where you can contribute, such as bug fixes or feature enhancements.
Submit a pull request with your proposed changes.

Develop a mobile app with Realm integration

Show steps

Applying Realm in a real-world project forces you to confront challenges and reinforce your understanding by solving practical problems.

Browse courses on Mobile App Development

Show steps

Identify a suitable app idea that requires data persistence
Design the app's architecture and integrate Realm
Implement core features using Realm for data management
Test and debug the app thoroughly

Develop an app using Realm

Show steps

Apply your acquired knowledge to build a practical project that showcases your proficiency with Realm and Android development.

Browse courses on Realm

Show steps

Design and plan your app's features and functionality
Implement Realm database to store and manage your app's data
Create a user interface that seamlessly interacts with the Realm database
Test and debug your app to ensure proper functioning
Deploy your app to an app store or share it with others

Build a Simple Android App with Realm

Show steps

Apply your acquired knowledge by creating a functional Android application that utilizes Realm for data storage and retrieval.

Show steps

Define the application's purpose and design the database schema.
Set up the Android Studio environment and integrate Realm.
Implement the data access layer using Realm's API.
Create the user interface for interacting with the data.
Test and debug the application to ensure its functionality.

Write a blog post or create a video tutorial on Realm

Show steps

Deepen your understanding by explaining concepts to others through writing or creating videos, solidifying your knowledge.

Browse courses on Realm

Show steps

Choose a specific topic or aspect of Realm to focus on
Research and gather information from reliable sources
Create a well-structured and engaging blog post or video tutorial
Publish and promote your content to reach a wider audience

Career center

Learners who complete Android Realm Fundamentals will develop knowledge and skills that may be useful to these careers:

Database Administrator

A Database Administrator (DBA) is responsible for managing and maintaining the databases of an organization. They ensure that databases are running smoothly, securely, and efficiently. DBAs also work with developers to design and implement new database systems.

See salaries and explore the career path for Database Administrator

Information Security Analyst

Information Security Analysts protect an organization's computer systems and networks from cyberattacks. They develop and implement security measures, monitor systems for suspicious activity, and respond to security incidents.

See salaries and explore the career path for Information Security Analyst

Software Engineer

Software Engineers apply engineering principles to the design, development, and maintenance of software systems. They work on a variety of projects, from small mobile apps to large enterprise systems.

See salaries and explore the career path for Software Engineer

Software Developer

Software Developers design, develop, and maintain software applications. They work with clients to understand their needs, design the software, and write the code. Software Developers also test and debug software to ensure it is working correctly.

See salaries and explore the career path for Software Developer

Android Developer

An Android Developer is the mastermind behind the apps on your favorite Android device or system. They conceptualize, design, code, test, deploy, and maintain these applications using programming languages like Java or Kotlin. The applications can be games, utilities, or business tools. Android Developers must stay up-to-date with the latest versions of the Android operating system as well as new tools and technologies.

See salaries and explore the career path for Android Developer

Systems Analyst

Systems Analysts analyze an organization's systems and procedures to identify areas for improvement. They work with stakeholders to design and implement new systems or improve existing ones.

See salaries and explore the career path for Systems Analyst

Data Analyst

Data Analysts gather, clean, and analyze raw data to uncover valuable insights. They work closely with stakeholders to identify business needs and translate raw data into actionable insights. Data Analysts play a critical role in decision-making and problem-solving within an organization.

See salaries and explore the career path for Data Analyst

Software Quality Assurance Analyst

Software Quality Assurance Analysts test software to ensure it is working correctly. They work with developers to identify and fix bugs.

See salaries and explore the career path for Software Quality Assurance Analyst

Web Developer

Web Developers design and develop websites and web applications. They work with clients to understand their needs, design the website or application, and write the code. Web Developers also test and debug websites and applications to ensure they are working correctly.

See salaries and explore the career path for Web Developer

Computer Systems Analyst

Computer Systems Analysts analyze and design computer systems to meet the needs of an organization. They work with stakeholders to understand their needs, design the system, and implement it.

See salaries and explore the career path for Computer Systems Analyst

Technical Writer

Technical Writers create documentation for software and other technical products. They work with engineers and developers to understand the product and write clear and concise documentation for users.

See salaries and explore the career path for Technical Writer

Data Scientist

Data Scientists are responsible for extracting knowledge and insights from data. They use statistical and machine learning techniques to analyze data and identify trends and patterns.

See salaries and explore the career path for Data Scientist

Information Technology Manager

Information Technology Managers plan, implement, and maintain an organization's IT systems. They work with stakeholders to identify business needs and develop IT solutions.

See salaries and explore the career path for Information Technology Manager

User Experience Designer

User Experience Designers design the user interface for websites and applications. They work with stakeholders to understand the user's needs and design an interface that is both user-friendly and visually appealing.

See salaries and explore the career path for User Experience Designer

Machine Learning Engineer

Machine Learning Engineers design, develop, and maintain machine learning models. They work with data scientists to identify the right machine learning algorithms and implement them in software.

See salaries and explore the career path for Machine Learning Engineer