feat(ci): implement dynamic versioning and github actions build workflow

Author: arinadi

.github/workflows/build.yml

@@ -0,0 +1,83 @@
+name: Build and Release
+
+on:
+  push:
+    branches:
+      - main
+      - master
+    tags:
+      - 'v*'
+  pull_request:
+    branches:
+      - main
+      - master
+
+permissions:
+  contents: write
+
+jobs:
+  build:
+    name: Build Release APK
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Set up JDK 21
+        uses: actions/setup-java@v4
+        with:
+          java-version: '21'
+          distribution: 'temurin'
+          cache: gradle
+
+      - name: Decode Keystore
+        env:
+          SIGNING_KEY_STORE_BASE64: ${{ secrets.SIGNING_KEY_STORE_BASE64 }}
+        run: |
+          if [ ! -z "$SIGNING_KEY_STORE_BASE64" ]; then
+            echo "$SIGNING_KEY_STORE_BASE64" | base64 --decode > app/release.jks
+          fi
+
+      - name: Grant execute permission for gradlew
+        run: chmod +x gradlew
+
+      - name: Build Release and Debug APKs
+        env:
+          SIGNING_STORE_PASSWORD: ${{ secrets.SIGNING_STORE_PASSWORD }}
+          SIGNING_KEY_ALIAS: ${{ secrets.SIGNING_KEY_ALIAS }}
+          SIGNING_KEY_PASSWORD: ${{ secrets.SIGNING_KEY_PASSWORD }}
+        run: ./gradlew assembleRelease assembleDebug
+
+      - name: Calculate Version
+        id: version
+        run: |
+          COMMIT_COUNT=$(git rev-list --count HEAD)
+          COMMIT_HASH=$(git rev-parse --short HEAD)
+          VERSION_NAME="1.$COMMIT_COUNT.$COMMIT_HASH"
+          echo "VERSION_NAME=$VERSION_NAME" >> $GITHUB_ENV
+          echo "VERSION_NAME=$VERSION_NAME" >> $GITHUB_OUTPUT
+          echo "Computed Version: $VERSION_NAME"
+
+      - name: Upload APK Artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: HotBell-Radio-v${{ steps.version.outputs.VERSION_NAME }}
+          path: |
+            app/build/outputs/apk/release/*.apk
+            app/build/outputs/apk/debug/*.apk
+
+      - name: Create Release
+        if: startsWith(github.ref, 'refs/tags/v') || github.ref == 'refs/heads/master' || github.ref == 'refs/heads/main'
+        uses: softprops/action-gh-release@v1
+        with:
+          files: |
+            app/build/outputs/apk/release/*.apk
+            app/build/outputs/apk/debug/*.apk
+          tag_name: v${{ steps.version.outputs.VERSION_NAME }}
+          name: Release v${{ steps.version.outputs.VERSION_NAME }}
+          prerelease: false
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

app/build.gradle.kts

@@ -12,27 +12,70 @@ android {
         applicationId = "com.hotbell.radio"
         minSdk = 26
         targetSdk = 34
-        versionCode = 1
-        versionName = "1.0"
+        
+        // Git-based Versioning
+        fun getGitCommitCount(): Int {
+            return try {
+                val process = ProcessBuilder("git", "rev-list", "--count", "HEAD").start()
+                process.inputStream.bufferedReader().readText().trim().toInt()
+            } catch (e: Exception) {
+                1 // Fallback
+            }
+        }
+
+        fun getGitCommitHash(): String {
+            return try {
+                val process = ProcessBuilder("git", "rev-parse", "--short", "HEAD").start()
+                process.inputStream.bufferedReader().readText().trim()
+            } catch (e: Exception) {
+                "unknown"
+            }
+        }
+
+        val commitCount = getGitCommitCount()
+        val commitHash = getGitCommitHash()
+
+        versionCode = commitCount
+        versionName = "1.$commitCount.$commitHash"
 
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
         vectorDrawables {
             useSupportLibrary = true
         }
     }
 
+    signingConfigs {
+        create("release") {
+            storeFile = file("release.jks")
+            storePassword = System.getenv("SIGNING_STORE_PASSWORD") ?: "123456"
+            keyAlias = System.getenv("SIGNING_KEY_ALIAS") ?: "key"
+            keyPassword = System.getenv("SIGNING_KEY_PASSWORD") ?: "123456"
+        }
+    }
+
     buildTypes {
         release {
             isMinifyEnabled = true
+            isShrinkResources = true
             proguardFiles(getDefaultProguardFile("proguard-android-optimize.txt"), "proguard-rules.pro")
+            signingConfig = signingConfigs.getByName("release")
         }
     }
     compileOptions {
-        sourceCompatibility = JavaVersion.VERSION_17
-        targetCompatibility = JavaVersion.VERSION_17
+        sourceCompatibility = JavaVersion.VERSION_21
+        targetCompatibility = JavaVersion.VERSION_21
     }
     kotlinOptions {
-        jvmTarget = "17"
+        jvmTarget = "21"
+    }
+
+    applicationVariants.all {
+        val variant = this
+        variant.outputs
+            .map { it as com.android.build.gradle.internal.api.BaseVariantOutputImpl }
+            .forEach { output ->
+                output.outputFileName = "HotBell-Radio-${variant.versionName}-${variant.name}.apk"
+            }
     }
     buildFeatures {
         compose = true

generate_secrets.sh

@@ -0,0 +1,36 @@
+#!/bin/bash
+
+# Configuration
+KEYSTORE_FILE="app/release.jks"
+ALIAS="hotbell"
+PASSWORD="hotbell_password" # Change this or use it as a default for now
+
+# Check if keystore already exists
+if [ -f "$KEYSTORE_FILE" ]; then
+    echo "Keystore $KEYSTORE_FILE already exists. Skipping generation."
+else
+    echo "Generating new keystore..."
+    keytool -genkey -v -keystore "$KEYSTORE_FILE" -alias "$ALIAS" -keyalg RSA -keysize 2048 -validity 10000 \
+      -storepass "$PASSWORD" -keypass "$PASSWORD" \
+      -dname "CN=HotBell, OU=Dev, O=HotBell, L=Internet, S=Internet, C=HB"
+fi
+
+# Generate Base64
+if [ -f "$KEYSTORE_FILE" ]; then
+    BASE64_KEYSTORE=$(base64 -w 0 "$KEYSTORE_FILE")
+    echo "------------------------------------------------------------"
+    echo "GITHUB SECRETS CONFIGURATION"
+    echo "------------------------------------------------------------"
+    echo "SIGNING_KEY_STORE_BASE64: (copied to clipboard or shown below)"
+    echo "$BASE64_KEYSTORE"
+    echo ""
+    echo "SIGNING_STORE_PASSWORD: $PASSWORD"
+    echo "SIGNING_KEY_ALIAS: $ALIAS"
+    echo "SIGNING_KEY_PASSWORD: $PASSWORD"
+    echo "------------------------------------------------------------"
+    echo "Please add these to your GitHub Repository Secrets."
+    
+    # Save to a temporary file for the user to copy easily
+    echo "$BASE64_KEYSTORE" > /tmp/hotbell_keystore_base64.txt
+    echo "Base64 also saved to /tmp/hotbell_keystore_base64.txt"
+fi