Generate manifest as part of gradle build (#37)

.github/workflows/android.yml

@@ -14,6 +14,9 @@ jobs:
     permissions:
       contents: write
     steps:
+    - name: Extract tag name
+      if: startsWith(github.ref, 'refs/tags/')
+      run: echo "RELEASE_VERSION=${GITHUB_REF#refs/tags/}" >> $GITHUB_ENV
     - name: Set up environment variables
       run: |
         echo "GPR_USER=${{ github.actor }}" >> $GITHUB_ENV
@@ -22,7 +25,7 @@ jobs:
         echo "KEY_PASSWORD=${{ secrets.KEY_PASSWORD }}" >> $GITHUB_ENV
         echo "KEYSTORE_PASSWORD=${{ secrets.KEYSTORE_PASSWORD }}" >> $GITHUB_ENV
         echo "KEYSTORE_BASE64=${{ secrets.KEYSTORE_BASE64 }}" >> $GITHUB_ENV
-
+        echo "BUILD_NUMBER=${{ github.run_number }}" >> $GITHUB_ENV
     - uses: actions/checkout@v4
     - name: set up JDK 17
       uses: actions/setup-java@v4

app/build.gradle.kts

@@ -15,8 +15,8 @@ android {
         applicationId = "de.timklge.karooreminder"
         minSdk = 26
         targetSdk = 34
-        versionCode = 14
-        versionName = "1.1.5"
+        versionCode = 100 + (System.getenv("BUILD_NUMBER")?.toInt() ?: 1)
+        versionName = System.getenv("RELEASE_VERSION") ?: "1.0"
     }
 
     signingConfigs {
@@ -51,9 +51,42 @@ android {
     }
     buildFeatures {
         compose = true
+        buildConfig = true
     }
 }
 
+
+tasks.register("generateManifest") {
+    description = "Generates manifest.json with current version information"
+    group = "build"
+
+    doLast {
+        val manifestFile = file("$projectDir/manifest.json")
+        val manifest = mapOf(
+            "label" to "karoo-reminder",
+            "packageName" to "de.timklge.karooreminder",
+            "iconUrl" to "https://github.com/timklge/karoo-reminder/releases/latest/download/karoo-reminder.png",
+            "latestApkUrl" to "https://github.com/timklge/karoo-reminder/releases/latest/download/app-release.apk",
+            "latestVersion" to android.defaultConfig.versionName,
+            "latestVersionCode" to android.defaultConfig.versionCode,
+            "developer" to "timklge",
+            "description" to "Shows in-ride alerts after a given time interval, distance or HR / power / speed / cadence out of range",
+            "releaseNotes" to "*  Enlarge trigger select\n" +
+                "* Increase tone frequency\n" +
+                "* Optimize build\n" +
+                "* Add touchable back button",
+        )
+
+        val gson = groovy.json.JsonBuilder(manifest).toPrettyString()
+        manifestFile.writeText(gson)
+        println("Generated manifest.json with version ${android.defaultConfig.versionName} (${android.defaultConfig.versionCode})")
+    }
+}
+
+tasks.named("assemble") {
+    dependsOn("generateManifest")
+}
+
 dependencies {
     implementation(libs.hammerhead.karoo.ext)
     implementation(libs.androidx.core.ktx)

app/manifest.json

@@ -1,11 +0,0 @@
-{
-  "label": "karoo-reminder",
-  "packageName": "de.timklge.karooreminder",
-  "iconUrl": "https://github.com/timklge/karoo-reminder/releases/latest/download/karoo-reminder.png",
-  "latestApkUrl": "https://github.com/timklge/karoo-reminder/releases/latest/download/app-release.apk",
-  "latestVersion": "1.1.5",
-  "latestVersionCode": 14,
-  "developer": "timklge",
-  "description": "Shows in-ride alerts after a given time interval, distance or HR / power / speed / cadence out of range",
-  "releaseNotes": "* Enlarge trigger select\n* Increase tone frequency\n* Optimize build\n* Add touchable back button"
-}

app/src/main/kotlin/de/timklge/karooreminder/KarooReminderExtension.kt

@@ -88,8 +88,7 @@ fun Flow<Int>.allIntermediateInts(): Flow<Int> = flow {
     }
 }
 
-class KarooReminderExtension : KarooExtension("karoo-reminder", "1.1.5") {
-
+class KarooReminderExtension : KarooExtension("karoo-reminder", BuildConfig.VERSION_NAME) {
     companion object {
         const val TAG = "karoo-reminder"
     }