This presentation for developing mobile application introduction

1. ANDROID SIMPLE
CALCULATOR
S. KATHEESKUMAR
H.N.Dip.in Information Technology

2. CONTENT
• Final Output Design
• Introduction About Android
• Android Versions
• Calculator Design (activity_main.xml)
• Calculation code (MainActivity.java)
• String xml
• Styles xml

3. FINAL
OUTPUT
ON MOBILE

4. INTRODUCTION ABOUT ANDROID
• It is a open source software platform and operating
system for mobile devices.
• Based on the Linux kernel
• Developed by Google and later the Open Handset
Alliance (OHA).
• Allows writing managed code in the Java language.
• Android has its own virtual machine i.e. DVM(Dalvik
Virtual Machine) ,which is used for executing the android
application.
• Google purchased the initial developer of the software ,
android incorporated in 2005.

5. ANDROID VERSIONS
• Angel Cake (Android 1.0)
• Battenberg (Android 1.1)
• Cupcake (Android 1.5)
• Donut (Android 1.6)
• Eclair (Android 2.0/2.1)
• Froyo (Android 2.2)
• Gingerbread (Android 2.3)
• Honeycomb (Android 3.0)
• Ice Cream Sandwich (Android 4.0)
• Jelly Bean (Android 4.1)
• KitKat (Android 4.4)
• Lollipop (Android 5.0/5.1/5.2)
• Marshmallow (Android 6.0/6.1)
• Nougat (Android 7.0)
• Ore (Android 8.0)
• Pie (Android 9.0)

6. ANDROID VERSION CONT…….

7. CALCULATOR DESIGN
• XML file contains; Design
View And Text View
(Coding of the Widgets)

8. CALCULATOR CODE (.JAVA FILE)
• Java File Here is the
actual coding of the
working of the app

9. STRING.XML

10. STYLES.XML

11. THANK YOU!