Contacts-Manager

A lightweight Android contacts manager app using Room DB and MVVM architecture. Stores names, phone numbers, and email addresses locally.

Inspired by the Udemy course on The Complete Android 15 Course -Build 82 Apps [Java& Kotlin] Created by Abbass Masri.

Understood and Implemented concepts-

• Android Components
  • Activity
    • startActivity()
  • Tasks & Back Stack
• Use of Intent
  • Explicit Intents
• Static User Interface
  • Views & Widgets
    • TextView
    • EditText
    • Button
      • setOnClickListener()
    • FloatingActionButton
  • ViewGroup
    • ConstraintLayout
    • LinearLayout
    • CardView
• Dynamic User Interface
  • RecyclerView
    • ItemTouchHelper
      • onSwiped left to delete data
      • onChildDraw to create fade-out animation
      • clearView
• UI Resources
  • Drawables
    • Set particular shape gradient as background
    • Insert shape as background in a LinearLayout
  • mipmap
    • Add custom App Icon
• Support User Interface
  • Toast
• Storage
  • Database
    • RoomDB
      • Entity Class
      • Data Access Object - DAO
      • ROOM Database Instance
      • Applying Singleton Design Pattern to ROOM Database
• Threading
  • Threads
  • Handler
  • ExecutorService
• Memory Leaks
  • Context
• Android Jetpack
  • Architecture Component
    • LiveData
    • ViewModel
    • DataBinding
• Architecture
  • MVVM

Output Screenshot-

Output Video-

Screen_recording_20240823_200701.mp4