This document discusses Android development using Java SE 8 features. It introduces Mohamed Taman, a Java Champion and mobile architect. The agenda includes why Java SE 8 is important, how Android supports Java 8, and a live demo of using Java 8 language features like lambda expressions in Android development.

1. ANDROID DEVELOPMENT
POWERED BY JAVA SE 8
MOHAMED TAMAN @_TAMANM
JAVA CHAMPION
Unleash the Dragon

2. BIOGRAPHY
• Java Champion
• Enterprise Architect / Innovation & R&D Sr. Manager @efinance
• Mobile / Web Architect
• JCP (Won Duke’s choice award 2013, 2014, 2015)
• Speaks Java (Won Outstanding adopt-a-jsr participant 2013 JCP annual award)
• International Speaker
• Author (“JavaFX 8 essentials”, and upcoming “Mastering JDK 9”)
Mohamed Taman @_tamanm

3. REACH ME ON
@_tamanm
http://eg.linkedin.com/in/mohamedtaman/
https://www.facebook.com/mohamed.m.taman.7
(Mohamed Mahmoud Taman)
http://tamanmohamed.blogspot.com

4. AGENDA
• Why Java SE 8?
• Android Development and Java SE 8
• Start using supported Java 8
• Live Demo
Mohamed Taman @_tamanm

5. WHY JAVA SE 8?
Mohamed Taman @_tamanm

6. JAVA SE 8
Java Platform, Standard Edition 8 is a major feature release,
since Java SE 5 release.
Mohamed Taman @_tamanm

7. BRINGS
Functional Programming to the language, like others Scala, Groovy,.. and
other languages
Mohamed Taman @_tamanm

8. FUNCTIONAL PROGRAMMING
By introducing Lambda Expressions
Mohamed Taman @_tamanm

9. LAMBDA EXPRESSION SYNTAX
Mohamed Taman @_tamanm

10. WHAT'S NEW IN JDK 8
• Lambda Expressions (Covered already)
• Method references
• Default and static interface methods
• Streams & Collections
• For more:
Mohamed Taman @_tamanm
Supported by Android development
https://developer.android.com/studio/preview/features/java8-support.html#supported_features

11. QUICK LIVE DEMO
Mohamed Taman @_tamanm
http://www.oracle.com/technetwork/java/javase/8-whats-new-2157071.html

12. ANDROID DEVELOPMENT
AND JAVA SE 8
Mohamed Taman @_tamanm

13. USE JAVA 8 LANGUAGE FEATURES
• Android Studio 2.4 Preview 4 and later supports all Java SE 7 language features.
• And a subset of Java SE 8 language features.
Mohamed Taman @_tamanm
Note: When developing apps for Android, using Java 8
language features, is optional.

14. DESUGAR TOOLCHAIN
Is the default toolchain for
new Android Studio 2.4+
Mohamed Taman @_tamanm
.java .class
.class
(desugared)
.dex
javac dexdesugar
Third party
library
Java 8 language feature support using desugar bytecode transformations.

15. START USING SUPPORTED JAVA 8
Mohamed Taman @_tamanm

16. UPDATE GRADLE PLUGIN
• Update the Android plugin to 2.4.0 (or higher), you can use latest Gradle v3.5.
• Add the following to your module’s build.gradle file
Mohamed Taman @_tamanm
android {
...
compileOptions {
sourceCompatibility JavaVersion.VERSION_1_8
targetCompatibility JavaVersion.VERSION_1_8
}
}

17. API VERSION, VM IMAGE, & TOOLS
• Update API to API level 24 or higher.
• minSdkVersion (24) is Noga Android N or higher should be installed.
• Intel x86 atom System image of Noga SDK.
• Latest build and platform tools v24.0.0+.
• Google Repository v24 or later.
• Intel x86 emulator accelerator (HAXM installer) latest version.
Mohamed Taman @_tamanm

18. LIVE DEMO
Mohamed Taman @_tamanm

19. Mohamed Taman @_tamanm