l
VISVESARAYA TECHNOLOGICAL UNIVERSITY
JNANASANGAMA, BELAGAVl-$900 I8, KARNATAKA
An internship report
On
"ANDROID APPLICATION DEVELOPMENT"
Submitted In partialJulfilmenl of the n:quin:mcnlfor the dcgru ofaward of
BACHELOR OF ENGINEERING IN
ELECTRONICS AND COMMUNICATION ENGINEERING
SUBMJ1TED BY
SIDDHANTI-J G
IDB20EC079
/nttrnship carrltd out at,
TECH MAl-UNDRA
External guide
Mr. Venkatesh K Jellu
Intm1alguide
Dr. Bhagya P
Software Analyst
AaocimlPrufessor
Tech Mahindra
. OBIT (Dept. Of ECE)
TECH
mal,indra
DEPARTMENT OF ELECTRON1CS AND COMMUNICATION ENGINEERING
DON BOSCO INSTITUTE OF TECHNOLOGY
KumbaJagodu. Mysore Road, Bangalore-560074
Pb: +91-80-28437028129/30 Fu:+91-80-
2843703 I(2023-2024 I
pON BOSCO INSTITUTE OF TECHNOLOGY
Kumbnlagodu, Mysore Road, Bangalore-S60074
Department of Electronics and Communication Engineering
CERTIFICATE
This is to certify that the Internship work entitled "ANDROID APPLICATION
, DEVELOPMENT,
TECH
MAHINDRA"
carried
out
by
SIDDHANTH
G
(JDB20EC079), bonafide student of DON BOSCO fNSTITUTEOF TECHNOLOGY
In
partial
fulfilment
for the
award of Bachelor of Engineering in Electronics and
communication Engineering of the Visvesvoraya Technological University, Belagavi during
lhc year 2023-2024. It is certified that all the corrections/ Suggestions indicated for Internal
~ent have been incorporated and the Internship report has been approved as it
· satisfies the academic requirements in Respect of Internship work prescribed for the award
ofthcdegree of Bachelor of Engineering.
~-~~\' 1,4
~ "'7\sh-Y ('1~ ~
Signature of the Guide
Signature of the HOD
Signature of the Principal
Dr. Bhagya P
~ate Professor
Dept ofECE, DB IT
Dr. Maheshwarappa A N
Professor and HOD
Dept ofECE, OBIT
Prof. 8 S Nagabusbana
Principal
p( ~~IJ:;~,
Professor a R .O.D
Don Elo-:r/
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u agodu My,•oro R d
HN BOSCO INSTI TL! I. OF ru;11 1MULO I
Bang.:,,ur~-ss"'oo74 01 I
Name of the examiner
I)
• • •~•••aod11. bANGALO■E-U• , , .
Signature of the Examiner
I)-- - - - - -
21_____ __
2) - - - - - -
ooN BOSCO INSTITUTE ·OF TECHNOLOGY
Kumbalagodu, Myser:e Road, Bangalore-560074
Department ofEJectronics and Communication Engineering
DECLARATION
, 1sIDDHANTH G, student of Electroni~ and Communication Engineering bearing the
tJSN:IDB20EC079, here by declar;e that I own the full responsibility for the information,
rrsu)ts and conclusion provided in this ·report titled '·ANDROID APPLICATION
DEVELOPMENT, TECH MAHINDRA" submitted to Visvesvaraya
Technological
University, Belaga¥i during lhe academic year 2023-2024. To best of my knowl.edge, this
intanship work has been submitted in part of full .elsewhere in any oi:ganization for the
award of degree. I ha¥e completely taken care in acknowledgement the contributfon of the
olbers in this academic wprk. I further declare llhat in case of any vialation of intellectual
IIOIJCrly rights and particulars declared found at any stage. I wilJ be respan.sible fer the
'
ae.
SIDDHANTH G
IDH20EC079
ACKNOWLE DGEMENT
- satisfaction ~d euphoria lh~l accompany the successful completion of any task would
1 jncolllPlete without the mention of the people who made
il possible and under whose
~Janee ond encouragement the task was completed.
exp~ my since~. gratitude lo ~ayanamac Education Trus~ Don Bosoo Educational
1
(IIStitution, for proVIding an opportumty and facilitating for the entire duration of the course.
1would link to express my immense gratitude to Dr. B. S. Nagabusbana, Principal, Don
eoseo Institute of Technology, Bangalore for his timely help and inspiration during the
ldll1fC of the course.
1express my sincere regards and gratitude to Dr. A. N. Maheshwarappa, Professor an
HOD, Department of Electronics and Communication Engineering, OBIT, Bangalore for hi
cnoouragement and support in the successful completion of the Internship.
I also extent my sincere thanks lo my guide Dr. Bbagya P, Assistant Professor and all the
faculty members ofth.e Department of Electronics and Communication Engineerin~ OBIT,
Bangalore, who have enoouraged me throughout the rourse.
I M>uld like to express my sincere thanks to the Internship coordinator Mn. Babitba S,
Amstant Professor, Department of Electronics and Communication Engineering, OBIT,
Bangalore for his encouragement and suggestions which helped mea lot in the completion o
Internship.
My sine.ere gratitude to Mr. Venkatcsh K Jellu for accepting my Internship request and
allowing me to complete my internship md all the staff" members for their kind help
extaldcd dwing the entire period of Internship.
I WOUid like 1o thank TECH MAHINDRA for giving me lhe opportunity to complete my
~work.In spite of their busy schedules, it was very kind of them to space some o
11:irll'CQous lime and give us valuable suggestions.
1- DOI leut, I express my heartfelt gratitude to the almighty, my parents for their love
Hlllinp .hat helped me complete the Internship work successfully.
Thanks, and Regards
SIDDHANTHG
1D820EC079
TABLE OF CONTENT'S
content
CHAPTER I: INTRODUCTION OF TECH MAHINDRA
cHAYfER 2: INTRODUCTION TO ANDROID STUDJO
CHAPTER J: PROCEDURE TO USE ANDROID STUDIO
Page No
01
04
06
CHAPTER 4: APPLICATION PROGRAMs
09
CHAYfER S: PICTURE GALLERY
21
CONCLUSION
24
REFERENCES
25
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certify that Slddhandl G (Associate 10 - C117957) has Cbmpleted tntemshlp pracnm with Tech Mahindra
~.:.. 1J,/Ol/20ll to 15/09/2023). He worked on the profect titled Android AJ,pUcation Dftelopnlent Under
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ABSTRACT
. ,cpOl'l prcsenl5 of lhe activities I was involved during the internship Bl the TECH
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.
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~JlNDlt4• Thc purpose Of ti1e mtcms
up was t.o study more about the designID
8 ilUU
~t
"""'ent of tllC ANDROID APPLICATION DEVELOPMENT. We got the cxpo5W'C in
~~~~-
.
IT f,dd of work ond bow lo run a company succ.essfully which has also hdped us an
!lit diP8 the team activity lo complete the task given to us during the course of the time at
i,ii1iJlllllllShip. I was able to enhance my knowledge , rommunicalion skills. fJC'Xlbility and
~ medmllism in lhc indusll}' standards cl.cs finally, I would say Ibis was a bcallti[ul
·eocc, from where we were able to know the things which arc very important for our
Android Application Development
2023-24
Chapter 1
INTRODUCTION OF TECH MAHINDRA
HISTORY
Mahindra & Mahindra started a joint venture with British Telecom in 1986 as a
technology outsourcing firm. British Telecom initially had around a 30 percent stake
in Tech Mahindra. In December 2010, British Telecom sold 5.5 percent of its stake in
Tech Mahindra to Mahindra & Mahindra for Rs. 451 crore. In August 2012, British
Telecom sold 14.1 percent of its stake to institutional investors for about Rs. 1,395
crores. In December 2012, British Telecom sold its remaining 9.1 per cent (11.6
million shares) shareholding to institutional investors for total gross cash proceeds of
Rs. 1,011.4 crores. This sale marked the exit of British Telecom from Tech Mahindra.
In 2014, Tech Mahindra acquired Lightbridge Communications Corporation (LCC), a
telecom services company operating in over 50 countries. In 2015, Tech Mahindra
acquired SOFGEN Holdings, a 450-employee Swiss IT firm supplying the financial
services industry Tech Mahindra purchased a controlling stake in Pinin farina S.p.A.,
an Italian brand in automotive and industrial design Tech Mahindra announced the
launch of its Automation Framework AQT (Automation, Quality, Time) By March
2016, Tech Mahindra's post-tax earnings had surpassed that of M&M. Tech Mahindra
said it would buy financial technology firm Target Group to boost its platform
business process-as-a-service offering in the banking sector. In 2017, Tech Mahindra
and Midad Holdings, a part of diversified business conglomerate Al Fozan Group
announced the launch of a joint venture, Tech Mahindra Arabia Ltd. On the basis of a
global partnership agreement signed, Tech Mahindra markets Huawei's enterprise
products and services across 44 countries including India. Tech Mahindra acquired
CJS Solutions Group LLC, a US-based healthcare Information Technology
consulting company which does business as (DBA) “The HCI Group.”] In 2019, Tech
Mahindra acquired Dyn Commerce BV. Tech Mahindra in September 2019 acquired
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BORN Group, a New York City-based digital content and production agency, for $95
million in an all-cash deal.
In March 2021, Tech Mahindra partnered with US-based business intelligence
analytics company ThoughtSpot.
In April 2021, Tech Mahindra acquired US-based Digital Onus, a hybrid cloud and
DevOps services provider for $120 million. In June 2021, Tech Mahindra also
acquired US-based (New Jersey) Brain scale Inc., a cloud consulting and cloud
transformation service provider for $30 million, and Colorado-based Events Solutions
Group for $44 million. Overall, spending around $230 million to buy 5 companies in
the year 2021 itself.
In October 2022 Tech Mahindra acquired 26% equity shares in Upendra Singh Multi
Transmission Private Limited, allowing the company to procure 1.5 MW of solar
energy for its facilities in Noida.
1.1 SERVICES PROVIDED
• Cloud Services. By combining a comprehensive suite of cloud offerings
• Across the cloud lifecycle, we provide our clients a unique transformation
roadmap aligned to their business goals.
• FLEX Digital Workplace Services.
• Enterprise Network Services.
• Data Centre Services.
• Enterprise Security Services.
1.2 AWARDS
• State Best Employer award by Govt of Telangana.
• 8th CSR Impact Awards in the special Category for ARISE+ program.
• Best Healthcare Skilling Institute
• Mahatma Awards 2022
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• ATF Awards 2022
1.3 FUTURE GOALS
• Digital Manufacturing
• Connected Machines
• Additive Manufacturing
• Automation 2.0, Virtual & Augmented reality
• Artificial Intelligence & Analysis
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Chapter 2
INTRODUCTION TO ANDROID STUDIO
Android studio is a powerful integrated development environment (IDE) Specially
designed for building Android applications. It’s the official IDE for Android app
development, created by Google. Android studio provides developers with a
comprehensive set of tools and features to streamline the entire app development
process. Here’s an introduction to Android studio:
1. Purpose:
Android studio is used by developers to create, edit, debug and deploy Android
applications. It simplifies the Android app development process and provides an
environment where you can write code, design user interfaces, and test your apps on
virtual or physical devices.
2. Key features:
a) CODE EDITOR: Android studio comes with a sophisticated code editor that
supports various programming languages, including Java and Kotlin, which are
commonly used for Android app development .
b) VISUAL LAYOUT EDITOR: You can design your app’s user interface using a
drag- and- drop interface builder or by writing the XML layouts.
c) EMULATOR: Android studio includes a built in emulator that allows your apps on
various Android device configurations, screen sizes and API levels.
d) REAL TIME DEBUGGER: Debugging is made easy with real-time code
inspection, breakpoints, and advanced debugging tools.
e) GRADLE BUILDING SYSTEM: Android studio uses Gradle build system, which
automates the build process and manages dependencies efficiently.
f) VERSION CONTROL: It integrates with popular version control system like Git,
making it easy to collaborate with other developers.
3. Programming Languages: Android studio primarily uses two programming
languages:
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a) JAVA: Android app development was primarily done in java.
b) KOTLIN: It is now preferred language for Android development. Its fully
supported by Android studio and offers concise and expressive syntax.
4. SDK Manager: Android studio includes the Android SDK Manager, which helps
you download and manage Android SDK components, platform versions, and system
images for testing.
5. Plugins: You can extend Android studio’s functionality by adding various plugins
and extensions from the Android studio Plugin Marketplace.
6. Community Support: Android studio has a large and active developer
community. You can find extensive documentation, tutorials, and forums to get help
and learn from others.
7. Cross-Platform Development: While Android studio is primarily used for
Android app development, it also supports cross-platform development through
frameworks like Flutter, enabling developers to create apps for both Android and iOS
from a single codebase.
8. System Requirements: Android studio is available for Windows, macOS, and
Linux. The system requirements may vary depending on your project’s complexity,
but generally requires a modern computer with sufficient RAM and storage.
In summary, Android studio is an essential tool for Android app developers. It
provides a rich set of features, supports popular programming languages like Kotlin,
and offers a user-friendly environment for creating, testing, and deploying Android
applications. Whether you’re a beginner or an experienced developer, Android studio
is the go-to choice for building high-quality Android apps.
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Chapter 3
Procedure To Use Android Studio
Using Android Studio to develop Android applications involves several steps. Here'sa
step-by-step procedure to get you started:
1. Installation:
Download
Android
Studio
from
the
official
website
(https://developer.android.com/studio).
Run the installer and follow the on-screen instructions to install Android Studio on
your computer.
During installation, make sure to install the necessary SDK components and system
images.
2. Launch Android Studio: After installation, launch Android Studio.
On the welcome screen, you can either start a new project or open an existing one.
3. Create a New Project (if starting from scratch): Click on "Start a new
Android Studio project."
Follow the New Project Wizard to configure your project, including choosing a project
template, setting the app name, package name, and selecting the programming
language (Kotlin or Java).
4. Project Structure: Familiarize yourself with the project structure on the left-hand
side of the IDE. This includes the app's source code, resources, manifests, and more.
5. Coding: Write your app's code in the appropriate source code files. Android Studio
provides a code editor with syntax highlighting, auto-completion, and real-time error
checking.
6. Designing User Interfaces: Use the Layout Editor to design your app's user
interfaces visually by creating XML layout files or using the drag-and-drop interface
builder.
7. Building and Running: Click the "Run" button (usually a green triangle) or use
the shortcut (Shift + F10) to build and run your app on an emulator or a physical
Android device.
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Configure and create virtual devices in the AVD Manager if you're using an emulator.
8. Debugging: Android Studio includes powerful debugging tools. Set breakpoints in
your code, run the app in debug mode, and use the Debug window to inspect variables,
stack traces, and more.
9. Testing: Write unit tests and instrumented tests to ensure your app functions
correctly. Android Studio supports testing frameworks like JUnit and Espresso.
10. Version Control: If you're collaborating with others, use version control (e.g.,
Git) integrated with Android Studio to manage your project's source code.
11. Deployment: When your app is ready for distribution, you can generate an APK
(Android Package) file for publishing on the Google Play Store or other distribution
platforms.
12. Publishing: Follow the guidelines and requirements of the Google Play Store or
other app stores to publish your app.
13. Update and Maintenance: Continuously update and maintain your app based on
user feedback, bug reports, and changes in Android platform versions.
14. Resources and Documentation: Utilize the extensive Android documentation,
community forums, and online resources to learn and troubleshoot as you develop your
app.
Remember that Android development can be complex, especially for beginners, so it's
essential to be patient, take advantage of available resources, and gradually build your
skills. Android Studio provides a comprehensive environment to help you create highquality Android applications efficiently.
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Fig 3.1 Home Page of Android Studio
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Chapter 4:
Application programs
4.1 Login page:
The below shown is the Flowchart for creating a new project in Android Studio
Fig 4.1 Flowchart for Login Page
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Set Up Android Studio: Make sure you have Android Studio installed and set up on
your computer. You can download it from the official Android website.
Create a New Project: Open Android Studio and create a new project. Choose an
empty activity template or a login activity template.
Design the User Interface (UI): In the layout XML file (activity_main.xml), design
the UI for your login page. You'll typically need EditText fields for users to input their
username and password, along with a Button to submit the login credentials.
Handle User Input: In the MainActivity.java file (or Kotlin file), write code to handle
user input and interactions. Set onClick listeners for the login button to capture user
clicks and validate the entered credentials.
Implement Authentication Logic: Implement logic to authenticate users based on the
entered username and password. This may involve checking the credentials against a
database, a web service, or some other authentication mechanism.
Handle Authentication Results: Handle authentication results and take appropriate
actions based on whether the login attempt was successful or not. You can display a
toast message or navigate to a different activity upon successful login, and display an
error message if the login attempt fails.
Test the Login Page: Run the app on an emulator or physical device to test the login
functionality. Verify that users can enter their credentials, submit the login form, and
receive appropriate feedback based on the authentication result.
Refine and Improve: Refine the login page's design and functionality based on user
feedback and testing results. You can add features such as password encryption,
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remember me functionality, or password recovery options to enhance the login
experience.
By following these steps, you can create a basic login page using Android Studio that
allows users to securely authenticate and access your app's features and content. As you
gain more experience with Android development, you can explore advanced
authentication techniques and integrate additional security measures to protect user
accounts and sensitive information.
Fig. 4.2 Representation of Login Page in Android Studio
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4.2 BASIC CALCULATOR
The below shown is the Flowchart for creating a Basic Calculator using Android Studio.
Fig 4.3 Flowchart for Basic Calculator
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Set Up Android Studio: Ensure that you have Android Studio installed and set up on
your computer. You can download it from the official Android website.
Create a New Project: Open Android Studio and create a new project. Choose an
empty activity template for simplicity.
Design the User Interface (UI): In the layout XML file (activity_main.xml), design
the UI for your calculator. You can use various UI elements such as buttons and text
views to create a user-friendly interface. For a basic calculator, you'll need buttons for
numbers (0-9), arithmetic operators (+, -, *, /), an equals (=) button, and a text view to
display the input and output.
Handle User Input: In the MainActivity.java file (or Kotlin file), write code to handle
user input. You'll need to set on Click listeners for each button to capture user clicks
and perform corresponding actions. For example, when a number button is clicked,
append the clicked number to the current input.
Perform Arithmetic Operations: Implement logic to perform arithmetic operations
based on user input. When an arithmetic operator button is clicked, store the current
input as the first operand and the selected operator. When the equals button is clicked,
apply the selected operator to the first operand and the new input to calculate the
result.
Update the Display: Update the text view to display the input and output dynamically
as users enter numbers and perform calculations.
Handle Edge Cases: Handle potential edge cases such as division by zero or invalid
input to ensure the app's reliability and usability.
Test the App: Run the app on an emulator or physical device to test its functionality
and user experience. Ensure that the calculator performs arithmetic operations
accurately and handles user interactions smoothly.
Refine and Improve: Refine the app's design and functionality based on user
feedback and testing results. You can add additional features, such as memory
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functions or scientific calculations, to enhance the app's usefulness and appeal.
By following these steps, you can create a basic calculator app using Android Studio
that provides users with a simple and intuitive tool for performing arithmetic
calculations. As you gain more experience with Android development, you can
explore advanced techniques and features to further enhance your app's capabilities.
Fig. 4.4 Representation of basic calculator in Android Studio
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4.3 GUESSING GAME
The below shown is the Flowchart for creating a Guessing Game using Android
Studio.
Fig 4.5 Flowchart for Guessing Game
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Set Up Android Studio: Make sure you have Android Studio installed and set up on
your computer.
Create a New Project: Open Android Studio and create a new project. Choose an
empty activity template or a basic activity template.
Design the User Interface (UI): In the layout XML file (activity_main.xml), design
the UI for your guessing game. You'll need UI elements such as text views, an input
field for users to enter their guesses, buttons to submit guesses and start a new game,
and a text view to display feedback messages to the user.
Generate a Random Number: In the MainActivity.java file (or Kotlin file), generate
a random number within a specified range (e.g., between 1 and 100). This will be the
number that the user needs to guess.
Handle User Input: Implement logic to handle user input. When the user submits a
guess, compare it with the randomly generated number. Provide feedback to the user,
indicating whether their guess is too high, too low, or correct.
Update the Display: Update the text view to display feedback messages to the user
after each guess. You can display messages such as "Too high", "Too low", or
"Congratulations! You guessed the number!".
Handle Game Over: When the user correctly guesses the number, disable the input
field and the submit button to prevent further guesses. Provide an option for the user
to start a new game.
Handle Restart: Implement logic to allow the user to start a new game after they
have guessed the correct number or if they want to restart the game at any point.
Test the Game: Run the game on an emulator or physical device to test its
functionality and user experience. Ensure that the game provides clear feedback to the
user and handles user interactions correctly.
Refine and Improve: Refine the game's design and functionality based on user
feedback and testing results. You can add additional features, such as a countdown
timer, score tracking, or difficulty levels, to enhance the game's replay value and
engagement.
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Fig. 4.6 Representation of Guessing Game in Android studio
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4.4 GST BILLING
The below shown is the Flowchart for creating a GST Billing app using Android
Studio.
Fig 4.7 Flowchart for GST Billing
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• Start: Begin the flowchart.
• User Interface: Design the UI for the billing application using Android Studio.
Include fields for entering item details such as name, quantity, price, and GST
rate. Add buttons for adding items to the bill, calculating total amount, applying
discounts, and generating the final bill.
• Initialize Variables: Initialize variables to store item details, such as name,
quantity, price, and GST rate. Initialize variables for storing total amount, GST
amount, and final bill amount.
• Enter Item Details: Allow the user to enter item details such as name, quantity,
price, and GST rate for each item.
• Add Item to Bill: When the user clicks the "Add" button, add the entered item
details to the bill.
• Calculate Total Amount: Calculate the total amount for all items in the bill,
including GST.
• Apply Discounts: If applicable, apply any discounts to the total amount.
• Generate Bill: Generate the final bill, including item details, total amount, GST
amount, and any discounts applied.
• Display Bill: Display the generated bill to the user for review.
• End: End the flowchart.
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Fig 4.8 Representation of GST Billing in Android Studio
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Chapter 5
PICTURE GALLERY
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CONCLUSION
The course of internship has been beneficial for us & it has helped us a lot in gaining
technical part of our curriculum and boosting confidence of our academics. Being a
part of Tech Mahindra as an intern had been unique experience. Here in Tech
Mahindra, we had been through various steps in developing an Android Application.
It was an amazing experience of learning and understanding about the software,
procedure, and developing the Android application. We are really very thankful to all
the engineers who helped us by guiding on our every step throughout the internship
for giving their valuable time and being patient with us. We also thank all the staffs
of TECH MAHINDRA, ELECTRONIC CITY PHASE 2, BANGALORE for their
support and guidance to accomplish this internship successfully.
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REFERENCES
[1]. Ribeiro and A. R. D. Silva, “Survey on Cross-Platforms and Languages for
Mobile Apps,” Eighth International Conference on the Quality of Information and
Communications Technology, 2012.
[2]. Pohares, V. C. Kulloli, T. Bhattacharyya, and S. Bhure, “Cross Platform Mobile
Application Development,” International Journal of Computer Trends and
Technology, vol. 4, no. 5, pp. 1095–1100 , 2013.
[3]. S. S. Jagtap and D. B. Hanchate, “Development of Android Based Mobile App
for PrestaShop eCommerce Shopping Cart (ALC) ,” International Research Journal of
Engineering and Technology (IRJET) , vol. 4, no. 7, pp. 2248–2254 , Jul. 2017.
[4]. M. Q. Huynh and P. Ghimire, “Browser App Approach: Can It Be an Answer to
the Challenges in CrossPlatform App Development?,” Journal of Information
Technology Education: Innovations in Practice, vol. 16, pp. 047–068, 2017.
[5]. N. Litayem, B. Dhupia, and S. Rubab, “Review of Cross-Platforms for Mobile
Learning Application Development,” International Journal of Advanced Computer
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