Android App Fundamentals
Learn Android Development fundamentals and sharpen your skills building a calculator app
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Key Concepts
Review core concepts you need to learn to master this subject
Top Level Components
Activity Components
Android Views
Android ViewGroups
Android Layout Files
Layout File Conversion
Project Files
Layout Editor
Top Level Components
Top Level Components
The ability to text, email, play games and much more are accomplished in Android applications through four top-level component classes: BroadcastReceiver, ContentProvider, Service, and Activity. These are all represented by Java Objects.