1) Activator
Download typesafe-activator-1.3.5.zip, extract, set path
2) Create new project
activator new hello
3) Eclipse setting
Create: ~/.sbt/0.13/plugins/plugins.sbt
Add: addSbtPlugin("com.typesafe.sbteclipse" % "sbteclipse-plugin" % "4.0.0")
Run: activator eclipse
4) Import to Eclipse:
Import --> Existing Projects --> Select root directory --> Finish
5) Modify controller
app --> controllers --> Application.java: return ok(index.render("Hello World!"));
6) Run application
activator run
visit "http://localhost:9000/" in browser
7) Bingo!