[Tooling] Add app version setting using version.properties

build-logic/convention/src/main/kotlin/GravatarAndroidApplicationConventionPlugin.kt

@@ -25,8 +25,8 @@ class GravatarAndroidApplicationConventionPlugin : Plugin<Project> {
                 defaultConfig.apply {
                     applicationId = APP_ID
                     targetSdk = TARGET_SDK
-                    versionCode = 1
-                    versionName = "1.0"
+                    versionCode = project.property("versionCode") as Int
+                    versionName = project.property("versionName") as String
                 }
                 buildFeatures.buildConfig = true
                 configureBuildTypes()

build.gradle.kts

@@ -1,3 +1,5 @@
+import java.util.Properties
+
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 plugins {
     alias(libs.plugins.android.application) apply false
@@ -10,3 +12,24 @@ plugins {
     alias(libs.plugins.ksp) apply false
     alias(libs.plugins.room) apply false
 }
+
+val versionProperties = loadPropertiesFromFile(file("version.properties"))
+
+project.apply {
+    extra.apply {
+        set("versionName", versionProperties.getProperty("versionName", null))
+        set("versionCode", versionProperties.getProperty("versionCode", null).toInt())
+        set("isCi", System.getenv("CI")?.toBoolean() ?: false)
+    }
+}
+
+fun loadPropertiesFromFile(inputFile: File): Properties {
+    val properties = Properties()
+    if (!inputFile.exists()) {
+        return properties
+    }
+    inputFile.inputStream().use { stream ->
+        properties.load(stream)
+    }
+    return properties
+}

version.properties

@@ -0,0 +1,2 @@
+versionName=0.1
+versionCode=3