Gain insights into MVVM architecture in Android with Kotlin. Learn about networking with Retrofit, local storage with Room, and pagination. Discover how to build scalable, maintainable apps.

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The course focuses on the MVVM (Model-View-ViewModel) architecture in Android development using Kotlin. The MVVM is widely recommended due to its robustness, scalability, and ease of maintenance. It is a valuable skill to have for building high-performance Android applications.

Firstly, you will learn the basics of MVVM architecture and its advantages over other approaches to Android development. Then, you'll start from scratch and create layouts for a news application. Next, you'll use the Retrofit and OkHttp networking libraries and get to familiarize yourself with APIs. You'll get hands-on experience in storing data locally via the Room library. Finally, you'll be introduced to both the repository and ViewModel patterns, as well as how to work with the Paging library and deliver data to our fragments.

By the time you’re done with the course, you’ll be able to use MVVM in your Android projects, interact with APIs, store data locally, and implement pagination.

Mastering MVVM Architecture in Android Development using Kotlin

Which option is not a logical layer of MVVM?

Which option is not a logical layer of MVVM?

It’s where `Room` database `CRUD `(`create`, `read`, `update`, `delete`) methods are defined.

We don’t have to annotate it with `@Dao` annotation; `Room` will still generate implementations.

`DAO` classes don’t have properties.Instead, they have methods that are used to interact with the data.

It’s an interface with annotations used to map Java methods to `SQLite` queries.

Which of the statements below about the `DAO` class is false? 

Which of the statements below about the <code>DAO</code> class is false?

It's an observable that notifies its observers of any changes in the data.

It’s lifecycle aware and hence responds adequately to lifecycle changes of components, like an activity or fragment.

`LiveData` can cause memory leaks since the garbage collector doesn’t clean up after a lifecycle is destroyed.

It handles configuration changes by sending the latest available data after a configuration change, like screen rotation.

Which feature is not a feature of `LiveData`?

Which feature is not a feature of <code>LiveData</code>?

Which option below is not a component of Android architecture?


Which option below is not a component of Android architecture?

It’s an integrated toolset used to develop Android applications that includes a debugger, libraries, and a handset emulator.

It’s a tool that imitates the Android OS or devices and is used to test Android applications.

It includes a set of tools meant for Android application development.



It’s a basic software suite that consolidates tools required to write and test software.

Which statement below best describes an Android SDK (software development kit)?

Which statement below best describes an Android SDK (software development kit)?


`compileSDKversion` specifically defines which Android SDK version is going to be used by `gradle` to compile our application.

`targetSDKversion` specifically defines the API level that the application is targeted to in order to comfortably run on it.

`targetSDKversion` specifically defines which android SDK version is going to be used by `gradle` to compile our application.

`compileSDKversion` specifically defines the API level that the application is targeted to in order to comfortably run on it.


`compileSDKversion` indicates which Android version our app was tested against.

`targetSDKversion` indicates which version of the API our app was compiled against.


`targetSDKversion` is normally higher than `compileSDKversion`.



What’s the difference between `compileSDKversion` and `targetSDKversion`?

What’s the difference between <code>compileSDKversion</code> and <code>targetSDKversion</code>?

Introduction

MVVM Architecture

Layouts

Layout Design Assessment

API

Android Web Services Assessment

Utility Classes

Repository Pattern

ViewModel Pattern

Android Business Logic Assessment

Views

Conclusion

Appendix

Quiz about MVVM Architecture