build: rewrite build.gradle files to Kotlin DSL

app/build.gradle

@@ -1,102 +0,0 @@
-plugins {
-    id 'com.android.application'
-    id 'kotlin-android'
-    id 'org.jmailen.kotlinter' version "4.3.0"
-}
-
-android {
-    namespace "com.github.gotify"
-    compileSdk 34
-    defaultConfig {
-        applicationId "com.github.gotify"
-        minSdk 23
-        targetSdk 34
-        versionCode 32
-        versionName "2.8.1"
-        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
-        vectorDrawables.useSupportLibrary = true
-        signingConfig signingConfigs.debug
-        resValue "string", "app_name", "Gotify"
-    }
-    buildTypes {
-        release {
-            minifyEnabled false
-            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
-        }
-        development {
-            applicationIdSuffix ".dev"
-            debuggable true
-            resValue "string", "app_name", "Gotify DEV"
-        }
-    }
-    buildFeatures {
-        viewBinding true
-        buildConfig true
-    }
-    compileOptions {
-        sourceCompatibility JavaVersion.VERSION_17
-        targetCompatibility JavaVersion.VERSION_17
-    }
-    kotlinOptions {
-        jvmTarget = '17'
-    }
-    packagingOptions {
-        resources {
-            excludes += ['META-INF/DEPENDENCIES']
-        }
-    }
-    lint {
-        disable 'GoogleAppIndexingWarning'
-        lintConfig file('../lint.xml')
-    }
-}
-
-if (project.hasProperty('sign')) {
-    android {
-        signingConfigs {
-            release {
-                storeFile file(System.getenv("RELEASE_STORE_FILE"))
-                storePassword System.getenv("RELEASE_STORE_PASSWORD")
-                keyAlias System.getenv("RELEASE_KEY_ALIAS")
-                keyPassword System.getenv("RELEASE_KEY_PASSWORD")
-            }
-        }
-    }
-    android.buildTypes.release.signingConfig android.signingConfigs.release
-}
-
-dependencies {
-    def coil_version = "2.6.0"
-    def markwon_version = "4.6.2"
-    def tinylog_version = "2.7.0"
-    implementation project(':client')
-    implementation 'androidx.appcompat:appcompat:1.7.0'
-    implementation 'androidx.core:core-splashscreen:1.0.1'
-    implementation 'com.google.android.material:material:1.12.0'
-    implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
-    implementation 'androidx.swiperefreshlayout:swiperefreshlayout:1.1.0'
-    implementation 'androidx.vectordrawable:vectordrawable:1.2.0'
-    implementation 'androidx.preference:preference-ktx:1.2.1'
-
-    implementation 'com.github.cyb3rko:QuickPermissions-Kotlin:1.1.3'
-    implementation "io.coil-kt:coil:$coil_version"
-    implementation "io.coil-kt:coil-svg:$coil_version"
-    implementation "io.noties.markwon:core:$markwon_version"
-    implementation "io.noties.markwon:image-coil:$markwon_version"
-    implementation "io.noties.markwon:image:$markwon_version"
-    implementation "io.noties.markwon:ext-tables:$markwon_version"
-    implementation "io.noties.markwon:ext-strikethrough:$markwon_version"
-
-    implementation "org.tinylog:tinylog-api-kotlin:$tinylog_version"
-    implementation "org.tinylog:tinylog-impl:$tinylog_version"
-
-    implementation 'com.google.code.gson:gson:2.11.0'
-    implementation 'com.squareup.retrofit2:retrofit:2.11.0'
-    implementation 'org.threeten:threetenbp:1.7.0'
-}
-
-configurations {
-    configureEach {
-        exclude group: 'androidx.lifecycle', module: 'lifecycle-viewmodel-ktx'
-    }
-}

app/build.gradle.kts

@@ -0,0 +1,111 @@
+@file:Suppress("UnstableApiUsage")
+
+import org.jetbrains.kotlin.gradle.dsl.JvmTarget
+
+plugins {
+    id("com.android.application")
+    id("kotlin-android")
+    id("org.jmailen.kotlinter") version "4.3.0"
+}
+
+android {
+    namespace = "com.github.gotify"
+    compileSdk = 34
+    defaultConfig {
+        applicationId = "com.github.gotify"
+        minSdk = 23
+        targetSdk = 34
+        versionCode = 32
+        versionName = "2.8.1"
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+        vectorDrawables.useSupportLibrary = true
+        signingConfig = signingConfigs.getByName("debug")
+        resValue("string", "app_name", "Gotify")
+    }
+    buildTypes {
+        release {
+            isMinifyEnabled = false
+            proguardFiles(
+                getDefaultProguardFile("proguard-android.txt"),
+                "proguard-rules.pro"
+            )
+        }
+        register("development") {
+            applicationIdSuffix = ".dev"
+            isDebuggable = true
+            resValue("string", "app_name", "Gotify DEV")
+        }
+    }
+    buildFeatures {
+        viewBinding = true
+        buildConfig = true
+    }
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_17
+        targetCompatibility = JavaVersion.VERSION_17
+    }
+    kotlin {
+        compilerOptions {
+            jvmTarget.set(JvmTarget.JVM_17)
+        }
+    }
+    packaging {
+        resources {
+            excludes.add("META-INF/DEPENDENCIES")
+        }
+    }
+    lint {
+        disable.add("GoogleAppIndexingWarning")
+        lintConfig = file("../lint.xml")
+    }
+}
+
+if (project.hasProperty("sign")) {
+    android {
+        signingConfigs {
+            create("release") {
+                storeFile = file(System.getenv("RELEASE_STORE_FILE"))
+                storePassword = System.getenv("RELEASE_STORE_PASSWORD")
+                keyAlias = System.getenv("RELEASE_KEY_ALIAS")
+                keyPassword = System.getenv("RELEASE_KEY_PASSWORD")
+            }
+        }
+    }
+    android.buildTypes.getByName("release").signingConfig = android.signingConfigs.getByName("release")
+}
+
+dependencies {
+    val coilVersion = "2.6.0"
+    val markwonVersion = "4.6.2"
+    val tinylogVersion = "2.7.0"
+    implementation(project(":client"))
+    implementation("androidx.appcompat:appcompat:1.7.0")
+    implementation("androidx.core:core-splashscreen:1.0.1")
+    implementation("com.google.android.material:material:1.12.0")
+    implementation("androidx.constraintlayout:constraintlayout:2.1.4")
+    implementation("androidx.swiperefreshlayout:swiperefreshlayout:1.1.0")
+    implementation("androidx.vectordrawable:vectordrawable:1.2.0")
+    implementation("androidx.preference:preference-ktx:1.2.1")
+
+    implementation("com.github.cyb3rko:QuickPermissions-Kotlin:1.1.3")
+    implementation("io.coil-kt:coil:$coilVersion")
+    implementation("io.coil-kt:coil-svg:$coilVersion")
+    implementation("io.noties.markwon:core:$markwonVersion")
+    implementation("io.noties.markwon:image-coil:$markwonVersion")
+    implementation("io.noties.markwon:image:$markwonVersion")
+    implementation("io.noties.markwon:ext-tables:$markwonVersion")
+    implementation("io.noties.markwon:ext-strikethrough:$markwonVersion")
+
+    implementation("org.tinylog:tinylog-api-kotlin:$tinylogVersion")
+    implementation("org.tinylog:tinylog-impl:$tinylogVersion")
+
+    implementation("com.google.code.gson:gson:2.11.0")
+    implementation("com.squareup.retrofit2:retrofit:2.11.0")
+    implementation("org.threeten:threetenbp:1.7.0")
+}
+
+configurations {
+    configureEach {
+        exclude(group = "androidx.lifecycle", module = "lifecycle-viewmodel-ktx")
+    }
+}

app/proguard-rules.pro

@@ -1,6 +1,6 @@
 # Add project specific ProGuard rules here.
 # You can control the set of applied configuration files using the
-# proguardFiles setting in build.gradle.
+# proguardFiles setting in build.gradle.kts.
 #
 # For more details, see
 #   http://developer.android.com/guide/developing/tools/proguard.html