how to auatomatically update version code in android gradle
android {
compileSdkVersion 27
buildToolsVersion '27.0.3'
def versionPropsFile = file('version.properties')
def value = 0
Properties versionProps = new Properties()
if (!versionPropsFile.exists()) {
versionProps['VERSION_PATCH'] = "0"
versionProps['VERSION_NUMBER'] = "0"
versionProps['VERSION_BUILD'] = "-1" // I set it to minus one so the first build is 0 which isn't super important.
versionProps.store(versionPropsFile.newWriter(), null)
}
def runTasks = gradle.startParameter.taskNames
if ('assembleRelease' in runTasks) {
value = 1
}
def mVersionName = ""
def mFileName = ""
if (versionPropsFile.canRead()) {
versionProps.load(new FileInputStream(versionPropsFile))
versionProps['VERSION_PATCH'] = (versionProps['VERSION_PATCH'].toInteger() + value).toString()
versionProps['VERSION_NUMBER'] = (versionProps['VERSION_NUMBER'].toInteger() + value).toString()
versionProps['VERSION_BUILD'] = (versionProps['VERSION_BUILD'].toInteger() + 1).toString()
versionProps.store(versionPropsFile.newWriter(), null)
// 1: change major and minor version here
mVersionName = "v1.0.${versionProps['VERSION_PATCH']}"
// 2: change AppName for your app name
mFileName = "AppName-${mVersionName}.apk"
defaultConfig {
minSdkVersion 21
targetSdkVersion 27
applicationId "com.example.appname" // 3: change to your package name
versionCode versionProps['VERSION_NUMBER'].toInteger()
versionName "${mVersionName} Build: ${versionProps['VERSION_BUILD']}"
}
} else {
throw new FileNotFoundException("Could not read version.properties!")
}
if ('assembleRelease' in runTasks) {
applicationVariants.all { variant ->
variant.outputs.all { output ->
if (output.outputFile != null && output.outputFile.name.endsWith('.apk')) {
outputFileName = mFileName
}
}
}
}
task copyApkFiles(type: Copy){
from 'build/outputs/apk/release'
into '../apk'
include mFileName
}
afterEvaluate {
assembleRelease.doLast {
tasks.copyApkFiles.execute()
}
}
signingConfigs {
...
}
buildTypes {
...
}
}