Tutorial 6
Coding Your First Mobile Android App
A mobile app (or mobile application) is a computer program designed to run on a mobile device such as a phone/tablet or watch. An Android app is a software application running on the Android platform. Because the Android platform is built for mobile devices, a typical Android app is designed for a smartphone or a tablet PC running on the Android.

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Full tutorial on creating an Android app (Click me!!!)
Tutorial contents
Part 1: Mobile App Overview
- What is a mobile app and an Android app?Mobile app development overview
Part 2: Hardware/software requirements for coding an Android app
- Tools for writing Android appWhere and how to get the toolsInstall the tools
Part 3: Write your first Android app—An adding calculator
Part 4: Major limitations of Android apps
Part 5: Resources
Resources:
Meet Android Studio (The official user guide)
Lynda.com online courses—Android Development Essential Training Series
Android Studio Development Essentials