to allow Dagger to generate code in test and androidTest folders we should add dependencies test and androidTest to gradle.
Dagger test component not found
Dagger not generating components for /test class
Continue reading Dagger test, androidTest component generated code
Annotation Processing in Android Studio
Writing your own Annotation Processors in Android [https://medium.com/androidiots/writing-your-own-annotation-processors-in-android-1fa0cd96ef11]
All About Annotations and Annotation Processors
12.01.2021 [https://medium.com/swlh/all-about-annotations-and-annotation-processors-4af47159f29d]
Making ActionBar beautiful by showing Count on ActionBar Icon