Groovy on Android

9 oct 2014

Agenda

1. What is Groovy?

2. Swift and Groovy

3. Groovy on Android

Agenda

1. What is Groovy?

2. Swift and Groovy

3. Groovy on Android

What Apple think

After Swift release

• Ruby devs: Swift looks like Ruby

• Groovy devs: Swift looks like Groovy

• C# devs: Swift looks like C#

• Java devs: WTH is a closure?

Groovy• Started in August 2003 (release 1.0 on January 2,

2007)

• Open Source (BSD/Apache licenses)

• Compiled to Java Bytecode

• Grammar similar to Java with inspiration from Python, Ruby and Smalltalk

• Extremely flat learning curve for the Java developers

Groovy

Java

Groovy features• Annotations for AST Transformation

(@InheritConstructors, @Singleton, @EqualsAndHashCode)

• Closure

• Metaprogramming (adding method to a class on the fly)

• Native JSON support

Groovy features

• ?. and *. operators

• Native support for Lists, Maps and Regular Expressions

• String interpolation

• Static and Dynamic typing

Groovy features

• ?. and *. operators

• Native support for Lists, Maps and Regular Expressions

• String interpolation

• Static and Dynamic typing

Agenda

1. What is Groovy?

2. Swift and Groovy

3. Groovy on Android

Groovy and Swift

Groovy and Swift

Groovy and Swift

Groovy and Swift

Groovy and Swift

Groovy and Swift

Groovy and Swift

Agenda

1. What is Groovy?

2. Swift and Groovy

3. Groovy on Android

Let’s code!

Q & A