This Java library provides an implementation of macaroons, which are flexible authorization tokens that work great in distributed systems.
Like cookies, macaroons are bearer tokens that enable applications to ascertain whether their holders' actions are authorized. But macaroons are better than cookies!
The free 3D solution for Java and Android. jPCT supports Android 1.5 and higher and can be used with OpenGL ES 1.x as well as with OpenGL ES 2.0.
This library helps developer to make calendar without problems.