Except where noted, source code in this directory is generated by tools beneath external/icu/tools/srcgen. Do not modify the code here. Instead, modify the transformation rules used to generate it. The source is compiled into core-libart alongside the resources. See the libcore/JavaLibraries.mk build rules for details. Directories =========== src/ - A transformed copy of icu4j source repackaged into android.icu. resources/ - A transformed copy of icu4j resources repackaged into android.icu. testing/ - Android-specific test helper source. This is not auto-generated and may be edited directly.