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The Dependency injection (DI) pattern provides the backbone of the application by articulating all our software components around it. Koin is an easy to use and efficient dependency injection framework that has been used in Android applications since 2017. This course presents all the fundamentals to begin to use the Koin framework and use dependency injection in your Android application. The course will give you a solid foundation in dependency injection fundamentals and walk you through the critical steps from declaring your components to testing them with JUnit tests.

In this course, you'll learn how to implement a custom camera for your app using the CameraX library. You'll start with an existing app that's currently using the default camera to take a picture and record a video, and you'll migrate it to use your camera. To accomplish this, you'll start by creating a preview of what your camera is seeing, and then you'll add the photo and recording features. Once done, you'll use the Extensions API to add special effects to your photos: Auto, Bokeah (background blur), Face Retouch, HDR, and Night are some of the modes that you're going to implement.

In this course, we'll be building an Android App while applying the concepts of Clean Architecture. This allows us to structure our project in a way that has clear separations of concerns, providing foundations that are easy for us to build onto while also allowing for a high level of maintainability and testing.