Add build workflow and update gradle files

.github/workflows/build.yml

@@ -0,0 +1,29 @@
+name: Android CI
+
+on:
+  push:
+    branches: [ "core" ]
+  pull_request:
+    branches: [ "core" ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: set up JDK
+      uses: actions/setup-java@v3
+      with:
+        java-version: '21'
+        distribution: 'zulu'
+        cache: gradle
+
+    - name: Grant execute permission for gradlew
+      run: chmod +x gradlew
+    - name: Build with Gradle
+      run: ./gradlew build
+    - name: Build debug apk
+      run: bash ./gradlew assembleDebug --stacktrace
+

app/build.gradle

@@ -3,20 +3,18 @@ apply plugin: 'kotlin-android'
 
 ext.getVersionCode = { base ->
     try {
-        def stdout = new ByteArrayOutputStream()
-        exec {
+        providers.exec {
             commandLine 'git', 'rev-list', '--count', base + '..HEAD'
-            standardOutput(stdout)
-        }
-        Integer.parseInt(stdout.toString().trim())
+        }.standardOutput.asText.get().toInteger()
     } catch(ignored) {
         10
     }
 }
 
 android {
-    compileSdkVersion 30
-    ndkVersion '21.4.7075529'
+    namespace 'pro.archiemeng.waifu2x'
+    compileSdkVersion 34
+    ndkVersion '25.1.8937393'
 
     defaultConfig {
         applicationId "pro.archiemeng.waifu2x"

build.gradle

@@ -6,7 +6,7 @@ buildscript {
         google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:7.2.1'
+        classpath 'com.android.tools.build:gradle:8.1.2'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }

gradle/wrapper/gradle-wrapper.properties

@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.3.3-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.4-all.zip