Managing LifeCycle and ViewModel Data from Pluralsight

Learn the skills necessary to effectively maintain activity state and simplify coordination with the activity lifecycle using the Android Architecture Componets' ViewModel, Lifecycle, and other related types.

Effectively managing Android activity state and coordinating the lifecycle of components within an activity are essential to providing a high-quality and consistent user experience; however, doing so can sometimes be a challenge. In this course, Android Apps with Kotlin: ViewModel and Lifecycle, you’ll learn how to use the Android Architecture Components’ ViewModel, Lifecycle, and other related types to deliver just such an experience. First, you'll see how to use ViewModel to simplify managing activity-related data and maintain consistent access to that data even when the system recreates the activity in response to device orientation changes. After that, you'll explore how to use ViewModel in cooperation with onSaveInstanceState to assure a more consistent user experience when moving between apps. Next, you'll discover how to leverage Lifecycle events to simplify coordination between life cycle dependent components and the activity that uses them. Finally, you’ll delve into Lifecycle states to create more flexible, easier-to-use life cycle dependent components. By the end of this course, you'll have the necessary skills and knowledge to create Android apps of your own that provide a high-quality and consistent user experience with the Android Architecture Components’ ViewModel, Lifecycle, and other related types.

What's inside

Syllabus

Course Overview

Managing Activity State with ViewModel

Maintaining Activity State during System-initiated Shutdowns

Persisting Complex Activity State

Subscribing to Lifecycle Events

Determining Lifecycle State

Good to know

Know what's good

, what to watch for

, and possible dealbreakers

Effectively managing Android activity state is essential to providing a high-quality and consistent user experience; however, doing so requires advanced skills that Android Apps with Kotlin: ViewModel and Lifecycle provides

Learners will study how to use the Android Architecture Components’ ViewModel, Lifecycle and related types to deliver an activity state management experience

Android Apps with Kotlin: ViewModel and Lifecycle explores important concepts such as data management, system-initiated shutdowns, complex activity states, lifecycle events, and lifecycle states

Jim Wilson is the instructor for Android Apps with Kotlin: ViewModel and Lifecycle

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 Managing LifeCycle and ViewModel Data with these activities:

Review Android Lifecycle and ViewModel

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Review the official documentation and tutorials on Android Lifecycle and ViewModel to refresh your understanding.

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Read the Android documentation on Lifecycle and ViewModel
Watch the Google I/O talks on these topics
Complete the codelabs or tutorials provided by Google

Assist New Android Developers

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Help others understand ViewModel and Lifecycle by providing guidance and support.

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Join online forums or communities related to Android development
Offer to help beginners with their coding questions
Review code and provide constructive feedback
Share your knowledge and experience through blog posts or presentations

Follow Android Architecture Blueprints

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Follow expert-led tutorials to expand knowledge of Android architecture best practices and design patterns.

Browse courses on Android Architecture

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Watch the Android Architecture Blueprints video series
Read the accompanying blog posts and documentation
Implement the recommended patterns in your own projects

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Review Design Patterns

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Review fundamental design patterns to solidify understanding of software architecture and principles.

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Read and summarize the Gang of Four book
Identify and classify design patterns in existing Android projects
Implement a design pattern in a personal project

Build a Simple Android App

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Build a functional Android app to apply and solidify ViewModel and Lifecycle concepts.

Browse courses on Android Development

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Create a new Android project using Android Studio
Implement the ViewModel class
Observe LiveData in the Activity
Handle lifecycle events in the Activity
Test the app on a physical device or emulator

Implement Lifecycle-Aware Components

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Practice implementing Lifecycle-Aware Components to improve code maintainability and efficiency.

Browse courses on ViewModel

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Create a new Android project using Android Studio
Implement a ViewModel to store and manage UI data
Use LiveData to observe changes in the ViewModel
Handle lifecycle events in the Activity or Fragment
Test the app on a physical device or emulator

Design an Architecture for a Complex App

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Design a comprehensive architecture for a complex Android app to demonstrate understanding of best practices and scalability.

Browse courses on Software Architecture

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Define the app's requirements and use cases
Research and evaluate different architectural patterns
Create a detailed architecture diagram
Describe the rationale for your design decisions
Present your design to peers or mentors for feedback

Career center

Learners who complete Managing LifeCycle and ViewModel Data will develop knowledge and skills that may be useful to these careers:

Android Developer

The Android Developer is responsible for the lifecycle management of Android applications, ensuring that they perform consistently and efficiently across various devices. This course provides a solid foundation in using the Android Architecture Components' ViewModel, Lifecycle, and related types to effectively manage activity state and simplify coordination. By understanding how to maintain activity state, persist complex data, and subscribe to lifecycle events, Android Developers can create apps that deliver a high-quality user experience.

See salaries and explore the career path for Android Developer

Mobile Application Developer

The Mobile Application Developer designs, develops, and maintains mobile applications for various platforms. This course helps build a foundation in using the Android Architecture Components' ViewModel, Lifecycle, and related types to manage activity state and lifecycle coordination. By mastering these concepts, Mobile Application Developers can create robust and responsive mobile apps that adapt seamlessly to device configurations and system changes.

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Software Architect

The Software Architect designs and oversees the development of software systems, ensuring their reliability, scalability, and maintainability. This course may be useful for Software Architects who seek to enhance their understanding of lifecycle management in Android applications. By learning how to effectively manage activity state and coordinate lifecycle events, Software Architects can contribute to the development of software systems that are robust and adaptable to evolving requirements.

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Technical Lead

The Technical Lead provides technical guidance and leadership to a team of developers, ensuring the quality and efficiency of software development projects. This course may be useful for Technical Leads who seek to enhance their knowledge of lifecycle management in Android applications. By understanding how to maintain activity state and coordinate lifecycle events, Technical Leads can effectively guide their teams in developing robust and responsive mobile apps.

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Software Engineer

The Software Engineer designs, develops, and maintains software systems, ensuring their functionality, performance, and reliability. This course helps build a foundation in using the Android Architecture Components' ViewModel, Lifecycle, and related types to manage activity state and lifecycle coordination. By mastering these concepts, Software Engineers can create scalable and maintainable software systems.

See salaries and explore the career path for Software Engineer

Application Developer

The Application Developer designs, develops, and maintains software applications for various platforms and domains. This course may be useful for Application Developers who seek to enhance their skills in lifecycle management of Android applications. By learning how to effectively manage activity state and coordinate lifecycle events, Application Developers can create user-friendly and responsive applications.

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Web Developer

The Web Developer designs, develops, and maintains websites and web applications. While this course primarily focuses on Android application development, the concepts of lifecycle management and state persistence are applicable to web development as well. By understanding these concepts, Web Developers can create more robust and interactive web applications.

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Data Scientist

The Data Scientist analyzes and interprets data to extract meaningful insights and patterns. While this course does not directly cover data science, it may be useful for Data Scientists who seek to gain a foundational understanding of lifecycle management and state persistence. By understanding these concepts, Data Scientists can develop more efficient and reliable data pipelines and applications.

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Product Manager

The Product Manager defines and manages the roadmap for a software product, ensuring its alignment with market needs and business objectives. This course may be useful for Product Managers who seek to gain a deeper understanding of the technical aspects of Android application development, particularly in the area of lifecycle management. By understanding how Android applications manage state and coordinate lifecycle events, Product Managers can make more informed decisions and collaborate effectively with technical teams.

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UX Designer

The UX Designer creates user interfaces and experiences for software applications, ensuring their usability, accessibility, and aesthetics. While this course primarily focuses on the technical aspects of Android application development, it may be полезно for UX Designers who seek to gain a better understanding of how lifecycle management and state persistence impact the user experience. By understanding these concepts, UX Designers can create more user-centric and intuitive interfaces.

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Business Analyst

The Business Analyst gathers and analyzes business requirements to define and document the scope and functionality of software systems. While this course does not directly cover business analysis, it may be useful for Business Analysts who seek to gain a foundational understanding of lifecycle management and state persistence in software development. By understanding these concepts, Business Analysts can effectively communicate technical requirements and contribute to the development of robust and reliable software systems.

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Project Manager

The Project Manager plans, executes, and controls software development projects, ensuring their timely and successful delivery. This course may be useful for Project Managers who seek to gain a deeper understanding of the technical aspects of Android application development, particularly in the area of lifecycle management. By understanding how Android applications manage state and coordinate lifecycle events, Project Managers can effectively plan and manage development schedules and mitigate potential risks.

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Quality Assurance Analyst

The Quality Assurance Analyst tests and evaluates software systems to ensure their quality, reliability, and functionality. While this course does not directly cover quality assurance, the concepts of lifecycle management and state persistence are applicable to testing and evaluation. By understanding these concepts, Quality Assurance Analysts can design more effective test cases and contribute to the development of high-quality software systems.

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Technical Writer

The Technical Writer creates and maintains documentation for software systems and applications, ensuring their clarity, accuracy, and completeness. While this course does not directly cover technical writing, the concepts of lifecycle management and state persistence are essential for understanding the behavior and functionality of software systems. By understanding these concepts, Technical Writers can produce more comprehensive and accurate documentation.

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IT Support Specialist

The IT Support Specialist provides technical support to users of software systems and applications, resolving issues and providing guidance. While this course does not directly cover IT support, the concepts of lifecycle management and state persistence are essential for understanding the behavior and functionality of software systems. By understanding these concepts, IT Support Specialists can provide more effective support and resolve issues more efficiently.

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