Introduction to Mobile Application Development

Questions and Answers

What is a primary reason businesses prefer mobile applications over mobile-friendly websites?

Mobile applications require less maintenance than websites.

Mobile applications can perform better and provide more features. (correct)

Mobile applications are always easier to download.

Mobile applications are cheaper to develop.

Which of the following is NOT a device type used for mobile application development?

Laptops (correct)

Tablets

Smartphones

Automobiles

What fundamental skill is emphasized for students in mobile application development?

Coding a simple program in Kotlin. (correct)

Designing user interfaces for websites.

Understanding advanced web development.

Creating marketing strategies for mobile apps.

As of 2020, approximately how many smartphone users were there worldwide?

3.5 billion Signup and view all the answers

What aspect of mobile applications is highlighted as valuable to businesses?

The ability to add value to the business. Signup and view all the answers

What do mobile applications typically offer over traditional communication devices?

Various incredible features and opportunities. Signup and view all the answers

Which of the following technologies is primarily associated with mobile application development?

Kotlin and Swift. Signup and view all the answers

Which of the following statements about mobile phones is true?

Mobile phones offer incredible features for users. Signup and view all the answers

What is the total percentage weight of the midterm assessment in the course?

20% Signup and view all the answers

Which week of the course plan involves the topic of 'Mobile Interface Design Concepts'?

Week 2 Signup and view all the answers

How many hours per week are allocated for practical tutorials in the module?

2 hours Signup and view all the answers

What is the weight of the final exam in the assessment criteria?

50% Signup and view all the answers

Who is responsible for coordinating the module?

Mr.Nelum Chathuranga Amarasena Signup and view all the answers

Which topic covers the 'Main Components of Android Applications'?

Week 3 Signup and view all the answers

What is the combined weight of all the lab exams in the assessment criteria?

40% Signup and view all the answers

What is the primary operating system introduced in this module?

Android Signup and view all the answers

What keyword should be used for a variable that cannot be reassigned in Kotlin?

val Signup and view all the answers

Which statement about Kotlin's type inference is correct?

Type inference allows the compiler to guess the type from the assigned value. Signup and view all the answers

How can a variable in Kotlin hold a null value?

By suffixing its type with '?'. Signup and view all the answers

What is the main purpose of using 'var' in Kotlin?

To declare a variable that can change its value. Signup and view all the answers

In Kotlin, what is a consequence of the lack of null reference types by default?

Null pointer exceptions are impossible. Signup and view all the answers

What is a key feature that mobile applications must have?

Great UI (User Interface) Signup and view all the answers

Which of the following is NOT a reason for mobile app failures?

The app performs quickly enough Signup and view all the answers

Which integrated development environment (IDE) is used for Android app development?

Android Studio Signup and view all the answers

What type of mobile application platform is Flutter categorized as?

Cross platform Signup and view all the answers

Which of the following features is critical for mobile apps to adapt effectively to users?

Adapts to a user’s needs Signup and view all the answers

What is a major disadvantage of adapting web versions of applications for smartphones?

It may be hard to adjust web version to the smartphone screen Signup and view all the answers

Which mobile platform is specifically used for developing applications for iOS?

Xcode Signup and view all the answers

What is a common misconception about mobile app performance?

User experience is not influenced by app speed Signup and view all the answers

What was announced at the Google I/O conference on May 16, 2013?

Android Studio as the official IDE for Android development Signup and view all the answers

What significant change occurred at the end of 2015 regarding Android IDEs?

Android Studio became the sole officially supported IDE Signup and view all the answers

Which language replaced Java as Google's preferred language for Android app development?

Kotlin Signup and view all the answers

Why is Kotlin considered a safer programming language for Android development?

It has features that help avoid common mistakes Signup and view all the answers

What advantage does Kotlin provide regarding code interop with Java?

Kotlin is 100% interoperable with Java Signup and view all the answers

How does Kotlin improve developer productivity according to professional developers?

By allowing developers to express ideas with less boilerplate code Signup and view all the answers

What feature of Kotlin simplifies working with asynchronous code?

Coroutines Signup and view all the answers

What percentage of professional developers reported increased productivity when using Kotlin?

67% Signup and view all the answers

Study Notes

Module Overview

Mobile Application Development focuses on creating applications for devices like smartphones, tablets, and watches.
Module Code: IT2010, with a credit value of 4.
Course structure includes 1 hour of lectures, 2 hours of practical tutorials, and 2 hours of lab work per week.
Enrollment key for Courseweb: IT2010.

Lecture Plan

Topics include introductions to mobile development, platform fundamentals, UI/UX design, and Android OS basics.
Covers main components, sensors, media handling, data handling in Android applications, and testing/security aspects.

Assessment Criteria

Midterm (MCQ): 20%
LAB Exams (1, 2, and 3): 10% each
Final Exam: 50%

Lecturer Panel

Mr. Nelum Chathuranga Amarasena: module in-charge
Metro: Ms. Rivoni De Zoyza
Matara: Ms. Suriyaa Kumari
Kandy: Ms. Gihani Gunarathna
Jaffna: Mr. Rajan Bala

Learning Outcomes

Understand mobile application development fundamentals.
Explain various mobile platforms and technologies.
Code simple applications in Kotlin.

Importance of Mobile Apps

The global number of smartphone users reached 3.5 billion in 2020.
Businesses prefer mobile apps over mobile-friendly websites to enhance customer engagement and value.

Key Features of Mobile Applications

User-friendly interface (UI).
Fast loading times and high performance.
Excellent user support.
Adaptability to user needs.
Compatibility with mobile platforms.

Reasons for App Failures

Lack of market demand.
Inadequate security measures.
Underperformance or slow operations.
Poor UX/UI considerations.
Unpersuasive marketplace listings and limited functionalities.

Development Platforms

Android: Android Studio
iOS: Xcode
HarmonyOS: DevEco Studio
Cross-Platform: Flutter, React Native, Xamarin

Android Studio

Official IDE for Android development, based on JetBrains' IntelliJ IDEA.
Announced on May 16, 2013, replacing Eclipse ADT as the primary IDE.
Kotlin has become the preferred language for Android development as of May 7, 2019, though Java remains supported.

Kotlin Programming Language

Modern, concise, and designed for safe programming.
Easy to learn and enables fast application development.
Allows for expressive and more efficient code, enhancing developer productivity.

Advantages of Kotlin

High interoperability with Java code.
Structured concurrency with coroutines simplifies asynchronous code management.
Reduces common programming errors, such as null pointer exceptions.

Kotlin Essentials

Variable Declaration: Use 'val' for immutable variables and 'var' for mutable variables.
Type Inference: Compiler infers type from assigned values.
Null Safety: Variables cannot hold null values by default, use '?' to declare nullable types.

Upcoming Tutorial Sessions

Will include more Kotlin programming exercises to reinforce learning.

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Description

This quiz provides an overview of the module on Mobile Application Development, focusing on the foundational concepts and techniques necessary for creating mobile apps. It covers key principles involved in app development and the significance of student-centered learning in this field.