Mobile Computing (CS 603) - Semester 6 BCA at APTU

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Overview

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Why it matters

3 billion people use smartphones. Every business needs a mobile app. Understanding mobile development, Android/iOS platforms, and app design is essential for modern development.

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Placement relevance

HIGH demand for mobile developers. Android/iOS roles at all product companies. Flutter/React Native growing. Startups heavily hire mobile devs. ₹15-35 LPA for experienced mobile engineers.

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Prerequisites for

Android Development · iOS Development · Flutter · React Native · Mobile UI/UX · Cross-platform Development

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Recommended books

Android Programming: The Big Nerd Ranch Guide · Head First Android Development by Dawn Griffiths · Flutter in Action by Eric Windmill · React Native in Action by Nader Dabit

Curriculum — 4 Units

U1

Unit 1 · 7 Topics · 0% complete

Mobile Fundamentals

⚡ Key Formulae

Activity Lifecycle:onCreate→onStart→onResume→onPause→onStop→onDestroy

Fragment Lifecycle:onAttach→onCreate→onCreateView→onActivityCreated→onStart→onResume

Mobile OS (Android, iOS)

App Architecture (MVC, MVVM)

Activities/Fragments

UI Design Principles

Layouts (Linear, Relative, Constraint)

Material Design

Responsive Design

U2

Unit 2 · 8 Topics · 0% complete

Android Development

⚡ Key Formulae

Intent Types:Explicit (target known), Implicit (system chooses)

Service Types:Foreground (visible), Background (hidden), Bound (client-server)

Android Studio Setup

Kotlin/Java for Android

Intents (Explicit, Implicit)

Services (Background tasks)

Broadcast Receivers

SQLite Database

SharedPreferences

Content Providers

U3

Unit 3 · 7 Topics · 0% complete

Mobile Features & Sensors

⚡ Key Formulae

REST:GET (read), POST (create), PUT (update), DELETE (remove)

Permissions:Normal (auto-granted), Dangerous (runtime request)

GPS/Location Services

Camera Integration

Sensors (Accelerometer, Gyro)

Push Notifications (FCM)

REST APIs Integration

Firebase (Auth, Firestore, Storage)

Permissions Handling

U4

Unit 4 · 6 Topics · 0% complete

Wireless Communication & Cross-Platform

⚡ Key Formulae

Native vs Hybrid:Native (platform-specific), Hybrid (web tech), Cross-platform (single codebase)

Wi-Fi, Bluetooth, NFC

Mobile Network Protocols

React Native Basics

Flutter Basics

Hybrid vs Native Apps

App Deployment (Play Store, App Store)

Previous Year Questions

Unit 12023 · End Semester10 marks

Explain Android Activity Lifecycle with a state diagram. What happens when user presses Home button vs Back button? Write code for onCreate and onResume methods.

Unit 22023 · End Semester8 marks

Write Android code to create an Intent that opens a web page in browser. Also write code for explicit intent to navigate between two activities.

Unit 32022 · End Semester6 marks

How do you integrate Firebase Authentication in an Android app? Write code for Google Sign-In. What are the benefits of using Firebase?

Exam Strategy

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Write Android code

Exam asks for actual Kotlin/Java code for activities, XML layouts. Know onCreate(), findViewById(), setOnClickListener(). Practice 5 basic apps.

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Lifecycle is ALWAYS asked

Activity lifecycle, Fragment lifecycle — draw the diagram, explain each state, write lifecycle method code. Guaranteed 8-10 marks.

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Intents and navigation

Explicit vs Implicit intents with code examples. Passing data between activities using putExtra(). Intent filters in manifest.

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