XobotOS is a

Xamarin Xamarin is a Microsoft-owned San Francisco-based software company founded in May 2011 by the engineers that created Mono, Xamarin.Android (formerly Mono for Android) and Xamarin.iOS (formerly MonoTouch), which are cross-platform implementatio ...

research project that explored porting

Android 4.0 Android Ice Cream Sandwich (or Android 4.0) is the 9th major version of the Android mobile operating system developed by Google. Unveiled on October 19, 2011, Android 4.0 builds upon the significant changes made by the tablet-only release Androi ...

from

Java Java (; id, Jawa, ; jv, ꦗꦮ; su, ) is one of the Greater Sunda Islands in Indonesia. It is bordered by the Indian Ocean to the south and the Java Sea to the north. With a population of 151.6 million people, Java is the world's mos ...

/Dalvik to C# to explore the performance and

memory footprint Memory footprint refers to the amount of main memory that a program uses or references while running. The word footprint generally refers to the extent of physical dimensions that an object occupies, giving a sense of its size. In computing, the ...

benefits of C#. XobotOS is a semi-automated port of the Android 4.0

source code In computing, source code, or simply code, is any collection of code, with or without comments, written using a human-readable programming language, usually as plain text. The source code of a program is specially designed to facilitate the w ...

from Java to C#. The automated parts were ported using an improved version of Sharpen that can compile more advanced Java constructs and supports generics. Most of the manual bits of code fall in two categories (a) code to integrate with the host

operating system An operating system (OS) is system software that manages computer hardware, software resources, and provides common services for computer programs. Time-sharing operating systems schedule tasks for efficient use of the system and may also i ...

and (b) replace the Java

JNI In software design, the Java Native Interface (JNI) is a foreign function interface programming software framework, framework that enables Java (programming language), Java code running in a Java virtual machine (JVM) to call and be called by n ...

code used to call into C, with the ECMA

CLI CLI may refer to: Computing * Call Level Interface, an SQL database management API * Command-line interface, of a computer program * Command-line interpreter or command language interpreter; see List of command-line interpreters * CLI (x86 instruc ...

P/Invoke functionality.

References

Android (operating system) software {{operating-system-stub