Otherwise I swap (delete and rename) the files, thereby causing a rebuild of my Module with a new BuildNo. So when I re-write VersionUtils.java (first into VersionUtils.~java) to increment the BuildNo, I compare the CRCs and if they are the same, I can simply discard the temp file.

lib and generate a CRC32 using the FileWriteTime and FileSize of each source file. So, I modified BuildNum.exe to find the 'src' folder in the VersionUtils.java, and then recursively scan each subfolder looking for. What I really wanted was for the BuildNum to only increment when a dependancy changed requiring a build. Public static final int nSkyUtilsBuild = 228 Public static final int nSkyUtilsCRC = 1078887142 This is VersionUtils.java, a source file in my Module which contains the BuildNum for the Module. The Exec command runs the exe in the same folder as the ade file, so use relative paths to the tool and source. For those unfamiliar with Gradle (like me), at the bottom is the full adle script for my Module so you can see where and how the tool is integrated, as again we were just given snippets.

Preload gradle android studio