Developer Simon Stuart from LaKraven Studios Ltd. has released a new Stream Handler library for Delphi XE6 Firemonkey. The library supports Android, IOS, Windows, and OSX in addition to compiling in AppMethod. Simon Stuart is also the developer of MonkeyMixer. Basically the stream handler library provides a bunch of flat methods for reading, writing, inserting, and deleting data from streams in Object Pascal. There are methods in the library to handle all of the following data types (and it is easy to add your own): AnsiChar, AnsiString, Boolean, Byte, Char, Currency, Date, DateTime, Double, Extended, GUID, Int64, Integer, LongInt, ShortInt, ShortString, Single, SmallInt, String, Stream, DateTime, WideString, and Word. Simon notes that one awesome thing this library does is allows you to easily read and write one stream from within another stream (in addition to delete and insert). The library has been launched in this Google Plus post. The full source code is available for free off of Github.
Head over, download, and check out the full cross platform Delphi Stream Handler library for free.
Update: Now part of the cross platform LaKraven Studios Standard Library.
Just want to point out that the Delphi Stream Handler Library has now been rolled into the LaKraven Studios Standard Library [LKSL], so your link to the original repository is no longer valid. The new link is https://github.com/LaKraven/LKSL