1. Mobile Computing
Lecture Materials By
Bintang Eka Putera

2. Android OS WHAT IS ANDROID?
Android is an open source and Linux-based operating system for mobile devices such as smartphones and tablet computers
Android was developed by the Open Handset Alliance, led by Google, and other companies.

3. Why Android
Android offers a unified approach to application development for mobile devices which means developers need only develop for Android, and their applications should be able to run on different devices powered by Android.

4. Features of Android Beautiful UI Multi-tasking Connectivity
Resizable widgets
Storage
Multi-Language
Media support
Google Cloud Messaging (GCM)
Messaging
Wi-Fi Direct
Web browser
Android Beam
Multi-touch

5. What is API level?
API Level is an integer value that uniquely identifies the framework API revision offered by a version of the Android platform.
Android Base 1.0
Android Base 1.1

6. What is API level? Platform Version API Level VERSION_CODE
< next >
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Android 9.0 28
Pie
Android 8.1.0 27
Oreo
Android 8.0.0 26
Android 7.1 25
Nougat
Android 7.0 24

7. KitKat for Wearables Only
What is API level?
Platform Version
API Level
VERSION_CODE
Android 6.0 23
Marshmallow
Android 5.1 22
Lollipop_mr1
Android 5.0 21
Lollipop
Android 4.4W
KitKat for Wearables Only 20
Kitkat_watch
Android 4.4 19
Kitkat

8. What is API level? Platform Version API Level VERSION_CODE Android 4.318
Jelly_bean_mr2
Android 4.2, 4.2.2 17
Jelly_bean_mr1
Android 4.1, 4.1.1 16
Jelly_bean
Android 4.0.3, 4.0.4 15
Ice_cream_sandwich_mr1
Android 4.0, 4.0.1, 4.0.2 14
Ice_cream_sandwich
Android 3.0.x
11-13
Honeycomb
Android 2.3.3
- Android 2.3.4 10
Gingerbread_mr1
Android 2.3
- Android 2.3.2
9, NDK 5
Gingerbread

9. What is API level? Platform Version API Level VERSION_CODE Android 2.1
Android 2.2.x 8
Froyo
Android 2.1 7
Eclair
Android 2.0.1 6
Android 2.0 5
Android 1.6 4
Donut
Android 1.5 3
Cupcake
Android 1.1 2
Base_1_1
Android 1.0 1
Base

10. SDK Platforms

11. Android Application Developments
Run apps on the Android Emulator
The Android Emulator simulates Android devices on your computer so that you can test your application on a variety of devices and Android API levels without needing to have each physical device.

12. Android Application Developments
Run apps on the Android Emulator cont.
The emulator provides almost all of the capabilities of a real Android device. You can simulate incoming phone calls and text messages, specify the location of the device, simulate different network speeds, simulate rotation and other hardware sensors, access the Google Play Store, and much more.

13. Android Application Developments
Run apps on the Android Emulator cont.
Android Studio’s Emulator (free)
ARChon (free)
Bliss (free)
Bluestacks (free/paid)
Droid4X  (free)
Genymotion (free/paid)

14. Android Application Developments
Run apps on the Android Emulator cont.
KoPlayer (free)
MEmu (free)
Nox (free)
Remix OS Player (free)
Xamarin (free/varies)
YouWave (free)
… or build your own emulator

15. Integrated Development Environments
Android Studio
Provides the fastest tools for building apps on every type of Android device.
Built on JetBrains' IntelliJ IDEA software and designed specifically for Android development
Available for Windows, macOS and Linux based operating systems.
Download:
Programming Language:
Java,
Kotlin ( / / )
NDK/Native Development Kit (C/C++)

16. Integrated Development Environments
Android-IDE (AIDE) (
Android Apps (Java)
PhoneGap Apps (Java/XML)
Android NDK (C/C++)
IntelliJ IDEA
NetBeans IDE
Xamarin.Android
cross-platform mobile applications for Android, iOS and Windows Mobile and use only one codebase
JetBrains Rider
cross platform
JetBrains GO (GoLand)
Kotlin
Komodo IDE
Eclipse Che
Java, Javascript, C++, PHP, C#
Eclipse + Android Development Tools plugin
RAD studio
Currently featuring iOS, Android and windows cross compiler.

17. Kotlin Source: https://play.kotlinlang.org/byExample
Configurations:

18. Kotlin: Hello World

19. Kotlin: Functions

20. Kotlin: Functions

21. Kotlin: Infix Functions

22. Kotlin: Functions

23. Kotlin: Functions with vararg parameters

24. Kotlin: Variables

25. Kotlin: Variables

26. Kotlin: Null Safety

27. Kotlin: Working with NULLs

28. Kotlin: Classes

29. Kotlin: Generics (Classes and Functions)

30. Kotlin: Generics (Classes and Functions)

31. Kotlin: Inheritance

32. Kotlin: Inheriting Without Default Constructor

33. Kotlin: Bypass Constructor Arguments

34. Kotlin: Control Flow

35. Kotlin: Control Flow

36. Kotlin: Control Flow

37. Kotlin: Control Flow

38. Kotlin: Control Flow

39. Kotlin: Control Flow

40. Thank you