android tutorial - Versioning your builds in Android | Developer android - android app development - android studio - android app developement
Versioning your builds via "version.properties" file
- You can use Gradle to auto-increment your package version each time you build it. To do so create a version.properties file in the same directory as your build.gradle with the following contents:
VERSION_MAJOR=0
VERSION_MINOR=1
VERSION_BUILD=1
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- (Changing the values for major and minor as you see fit). Then in your build.gradle add the following code to the android section:
// Read version information from local file and increment as appropriate
def versionPropsFile = file('version.properties')
if (versionPropsFile.canRead()) {
def Properties versionProps = new Properties()
versionProps.load(new FileInputStream(versionPropsFile))
def versionMajor = versionProps['VERSION_MAJOR'].toInteger()
def versionMinor = versionProps['VERSION_MINOR'].toInteger()
def versionBuild = versionProps['VERSION_BUILD'].toInteger() + 1
// Update the build number in the local file
versionProps['VERSION_BUILD'] = versionBuild.toString()
versionProps.store(versionPropsFile.newWriter(), null)
defaultConfig {
versionCode versionBuild
versionName "${versionMajor}.${versionMinor}." + String.format("%05d", versionBuild)
}
}
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- The information can be accessed in Java as a string BuildConfig.VERSION_NAME for the complete {major}.{minor}.{build} number and as an integer BuildConfig.VERSION_CODE for just the build number.