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Automatic versionCode generation in Android Gradle
defaultConfig {
versionCode buildVersionCode()
versionName version
// Top-level build file where you can add configuration options common to all sub-projects/modules.
apply from: 'versioning.gradle'
ext {
* Builds an Android version code from the version of the project.
* This is designed to handle the -SNAPSHOT and -RC format.
* I.e. during development the version ends with -SNAPSHOT. As the code stabilizes and release nears
* one or many Release Candidates are tagged. These all end with "-RC1", "-RC2" etc.
* And the final release is without any suffix.
* @return
buildVersionCode = {
//The rules is as follows:
//-SNAPSHOT counts as 0
//-RC* counts as the RC number, i.e. 1 to 98
//final release counts as 99.
//Thus you can only have 98 Release Candidates, which ought to be enough for everyone
def candidate = "99"
def (major, minor, patch) = version.toLowerCase().replaceAll('-', '').tokenize('.')
if (patch.endsWith("snapshot")) {
candidate = "0"
patch = patch.replaceAll("[^0-9]","")
} else {
def rc
(patch, rc) = patch.tokenize("rc")
if (rc) {
candidate = rc
(major, minor, patch, candidate) = [major, minor, patch, candidate].collect{it.toInteger()}
(major * 1000000) + (minor * 10000) + (patch * 100) + candidate;
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