Developing Android App with Kotlin:

General Practice

• GridView example: Show List of Items on Grid
• GridView example: Show Item Details
• HTTP Call with AsyncTask example
• ListView example
• SQLite example – CRUD operations with ListView
• SQLite example – Search with Listview

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Firebase

Cloud Messaging

• How to Receive Messages
• How to Subscribe TOPIC & Receive Messages
• How to Send Upstream Messages

Authentication

• How to Sign Up, Sign In, Sign Out, Verify Email
• Send Reset Password Email / Forgot Password
• Google Sign In

Realtime Database

• Read/Write Data
• Get List of Data
• Display List of Data with FirebaseRecyclerAdapter

Cloud Storage

• Upload Data from Memory, Local File, Stream
• Download Files to Memory, Local File
• Get List of Files example – Image List with FirebaseRecyclerAdapter

Cloud Firestore

• CRUD Operations with RecyclerView
• CRUD Operations with FirebaseUI FirestoreRecyclerAdapter