An Introduction to Android Development for Students
- 1. Android Developer Fundamentals V2 This work is licensed under a Creative Commons Attribution 4.0 Inte rnational License Introduction to Android Android Developer Fundamentals V2 Introduction to Android This work is licensed under a Creative Commons Attribution 4.0 Inte rnational License 1 1 Build your first app 1 Android Developer Fundamentals V2 Lesson 1
- 2. Android Developer Fundamentals V2 This work is licensed under a Creative Commons Attribution 4.0 Inte rnational License Introduction to Android 2 1.0 Introduction to Android
- 3. Android Developer Fundamentals V2 This work is licensed under a Creative Commons Attribution 4.0 Inte rnational License Introduction to Android Contents ● Android is an ecosystem ● Android platform architecture ● Android Versions ● Challenges of Android app development ● App fundamentals 3
- 4. Android Developer Fundamentals V2 This work is licensed under a Creative Commons Attribution 4.0 Inte rnational License Introduction to Android Android Ecosystem 4
- 5. Android Developer Fundamentals V2 This work is licensed under a Creative Commons Attribution 4.0 Inte rnational License Introduction to Android What is Android? ● Mobile operating system based on Linux kernel ● User Interface for touch screens ● Used on over 80% of all smartphones ● Powers devices such as watches, TVs, and cars ● Over 2 Million Android apps in Google Play store ● Highly customizable for devices / by vendors ● Open source 5
- 6. Android Developer Fundamentals V2 This work is licensed under a Creative Commons Attribution 4.0 Inte rnational License Introduction to Android Android user interaction ● Touch gestures: swiping, tapping, pinching ● Virtual keyboard for characters, numbers, and emoji ● Support for Bluetooth, USB controllers and peripherals 6
- 7. Android Developer Fundamentals V2 This work is licensed under a Creative Commons Attribution 4.0 Inte rnational License Introduction to Android Android and sensors Sensors can discover user action and respond ● Device contents rotate as needed ● Walking adjusts position on map ● Tilting steers a virtual car or controls a physical toy ● Moving too fast disables game interactions 7
- 8. Android Developer Fundamentals V2 This work is licensed under a Creative Commons Attribution 4.0 Inte rnational License Introduction to Android Android home screen ● Launcher icons for apps ● Self-updating widgets for live content ● Can be multiple pages ● Folders to organize apps ● "OK Google" 8
- 9. Android Developer Fundamentals V2 This work is licensed under a Creative Commons Attribution 4.0 Inte rnational License Introduction to Android Android app examples 9 Pandora Pokemon GO Facebook Messenger
- 10. Android Developer Fundamentals V2 This work is licensed under a Creative Commons Attribution 4.0 Inte rnational License Introduction to Android Android Software Developer Kit (SDK) ● Development tools (debugger, monitors, editors) ● Libraries (maps, wearables) ● Virtual devices (emulators) ● Documentation (developers.android.com) ● Sample code 10
- 11. Android Developer Fundamentals V2 This work is licensed under a Creative Commons Attribution 4.0 Inte rnational License Introduction to Android Android Studio 11 ● Official Android IDE ● Develop, run, debug, test, and package apps ● Monitors and performance tools ● Virtual devices ● Project views ● Visual layout editor
- 12. Android Developer Fundamentals V2 This work is licensed under a Creative Commons Attribution 4.0 Inte rnational License Introduction to Android Google Play store Publish apps through Google Play store: ● Official app store for Android ● Digital distribution service operated by Google 12
- 13. Android Developer Fundamentals V2 This work is licensed under a Creative Commons Attribution 4.0 Inte rnational License Introduction to Android Android Platform Architecture 13
- 14. Android Developer Fundamentals V2 This work is licensed under a Creative Commons Attribution 4.0 Inte rnational License Introduction to Android Android stack 14 1. System and user apps 2. Android OS API in Java framework 3. Expose native APIs; run apps 4. Expose device hardware capabilities 5. Linux Kernel
- 15. Android Developer Fundamentals V2 This work is licensed under a Creative Commons Attribution 4.0 Inte rnational License Introduction to Android System and user apps ● System apps have no special status ● System apps provide key capabilities to app developers Example: Your app can use a system app to deliver a SMS message. 15
- 16. Android Developer Fundamentals V2 This work is licensed under a Creative Commons Attribution 4.0 Inte rnational License Introduction to Android Java API Framework The entire feature-set of the Android OS is available to you through APIs written in the Java language. ● View class hierarchy to create UI screens ● Notification manager ● Activity manager for life cycles and navigation 16
- 17. Android Developer Fundamentals V2 This work is licensed under a Creative Commons Attribution 4.0 Inte rnational License Introduction to Android Android runtime Each app runs in its own process with its own instance of the Android Runtime. 17
- 18. Android Developer Fundamentals V2 This work is licensed under a Creative Commons Attribution 4.0 Inte rnational License Introduction to Android C/C++ libraries ● Core C/C++ Libraries give access to core native Android system components and services. 18
- 19. Android Developer Fundamentals V2 This work is licensed under a Creative Commons Attribution 4.0 Inte rnational License Introduction to Android Hardware Abstraction Layer (HAL) ● Standard interfaces that expose device hardware capabilities as libraries Examples: Camera, bluetooth module 19
- 20. Android Developer Fundamentals V2 This work is licensed under a Creative Commons Attribution 4.0 Inte rnational License Introduction to Android Linux Kernel ● Threading and low-level memory management ● Security features ● Drivers 20
- 21. Android Developer Fundamentals V2 This work is licensed under a Creative Commons Attribution 4.0 Inte rnational License Introduction to Android Older Android versions 21 Codename Version Released API Level Honeycomb 3.0 - 3.2.6 Feb 2011 11 - 13 Ice Cream Sandwich 4.0 - 4.0.4 Oct 2011 14 - 15 Jelly Bean 4.1 - 4.3.1 July 2012 16 - 18 KitKat 4.4 - 4.4.4 Oct 2013 19 - 20 Lollipop 5.0 - 5.1.1 Nov 2014 21 - 22 Android History and Platform Versions for more and earlier versions before 2011
- 22. Android Developer Fundamentals V2 This work is licensed under a Creative Commons Attribution 4.0 Inte rnational License Introduction to Android Newer Android versions 22 Codename Version Released API Level Marshmallow 6.0 - 6.0.1 Oct 2015 23 Nougat 7.0 - 7.1 Sept 2016 24 - 25 Oreo 8.0 - 8.1 Sept 2017 26 - 27 Pie 9.0 Aug 2018 28
- 23. Android Developer Fundamentals V2 This work is licensed under a Creative Commons Attribution 4.0 Inte rnational License Introduction to Android App Development 23
- 24. Android Developer Fundamentals V2 This work is licensed under a Creative Commons Attribution 4.0 Inte rnational License Introduction to Android What is an Android app? ● One or more interactive screens ● Written using Java Programming Language and XML ● Uses the Android Software Development Kit (SDK) ● Uses Android libraries and Android Application Framework ● Executed by Android Runtime Virtual machine (ART) 24
- 25. Android Developer Fundamentals V2 This work is licensed under a Creative Commons Attribution 4.0 Inte rnational License Introduction to Android Challenges of Android development ● Multiple screen sizes and resolutions ● Performance: make your apps responsive and smooth ● Security: keep source code and user data safe ● Compatibility: run well on older platform versions ● Marketing: understand the market and your users (Hint: It doesn't have to be expensive, but it can be.) 25
- 26. Android Developer Fundamentals V2 This work is licensed under a Creative Commons Attribution 4.0 Inte rnational License Introduction to Android App building blocks ● Resources: layouts, images, strings, colors as XML and media files ● Components: activities, services, and helper classes as Java code ● Manifest: information about app for the runtime ● Build configuration: APK versions in Gradle config files 26
- 27. Android Developer Fundamentals V2 This work is licensed under a Creative Commons Attribution 4.0 Inte rnational License Introduction to Android Learn more ● Android History ● Introduction to Android ● Platform Architecture ● UI Overview ● Platform Versions ● Supporting Different Platform Versions ● Android Studio User’s Guide 27
- 28. Android Developer Fundamentals V2 This work is licensed under a Creative Commons Attribution-NonCo mmercial 4.0 International License Introduction to Android What's Next? 28 ● Concept Chapter: 1.0 Introduction to Android ● No Practical
- 29. Android Developer Fundamentals This work is licensed under a Creative Commons Attribution-NonCo mmercial 4.0 International License Introduction to Android END 29