Android Developer Certification Preparation

This project got created in the purpose to learn for the Associate Android Developer Certification.
All information provided are based on public materials from Google, including the ToC below.

Exam Content

Testing and debugging

• Write and execute local JVM unit tests
• Write and execute Android UI tests
• Use the system log to output debug information
• Debug and fix issues with an app’s functional behavior and usability

  User interface (UI) and app functionality

• Create an Activity that displays a layout
• Construct a UI with ConstraintLayout
• Create a custom view class and add it to a layout
• Add accessibility hooks to a custom view
• Apply content descriptions to views for accessibility
• Implement a custom app theme
• Display items in a RecyclerView
• Bind local data to a RecyclerView list using the paging library
• Implement menu-based or drawer navigation
• Localize the app
• Display notifications, toasts, and snackbar messages
• Schedule a background task using JobScheduler
• Efficiently run jobs in the background

  App data and files

• Define data using Room entities
• Access Room database with data access object (DAO)
• Observe and respond to changing data using LiveData
• Use a Repository to handle data operations
• Read and parse raw resources or asset files
• Create persistent preference data from user input
• Change the behavior of the app based on user preferences