Migrated to Kotlin for Gradle scripts.

app/build.gradle.kts

@@ -0,0 +1,113 @@
+import org.gradle.kotlin.dsl.*
+import org.jetbrains.kotlin.gradle.dsl.KotlinJvmOptions
+import java.io.FileInputStream
+import java.util.*
+
+plugins {
+  id("com.android.application")
+  id("kotlin-android")
+  id("kotlin-android-extensions")
+
+  id("org.jlleitschuh.gradle.ktlint") version "8.1.0"
+  id("com.gladed.androidgitversion") version "0.4.10"
+  id("com.github.triplet.play") version "2.4.2"
+}
+
+val props = Properties().apply {
+  load(FileInputStream(rootProject.file("local.properties")))
+}
+
+android {
+  compileOptions {
+    sourceCompatibility = JavaVersion.VERSION_1_8
+    targetCompatibility = JavaVersion.VERSION_1_8
+  }
+
+  kotlinOptions {
+    (this as KotlinJvmOptions).apply {
+      jvmTarget = JavaVersion.VERSION_1_8.toString()
+    }
+  }
+
+  compileSdkVersion(29)
+
+  defaultConfig {
+    applicationId = "com.github.apognu.otter"
+
+    minSdkVersion(23)
+    targetSdkVersion(29)
+
+    versionCode = androidGitVersion.code()
+    versionName = androidGitVersion.name()
+  }
+
+  signingConfigs {
+    create("release") {
+      if (props.contains("signing.store")) {
+        storeFile = file(props.getProperty("signing.store"))
+        storePassword = props.getProperty("signing.store_passphrase")
+        keyAlias = props.getProperty("signing.alias").toString()
+        keyPassword = props.getProperty("signing.key_passphrase")
+      }
+    }
+  }
+
+  buildTypes {
+    getByName("release") {
+      signingConfig = signingConfigs.getByName("release")
+
+      isMinifyEnabled = false
+
+      proguardFile(getDefaultProguardFile("proguard-android-optimize.txt"))
+      proguardFile("proguard-rules.pro")
+    }
+  }
+}
+
+androidGitVersion {
+  codeFormat = "MNNPP"
+}
+
+ktlint {
+  debug.set(false)
+  verbose.set(false)
+}
+
+play {
+  isEnabled = props.contains("play.credentials")
+
+  if (isEnabled) {
+    serviceAccountCredentials = file(props.getProperty("play.credentials"))
+    defaultToAppBundles = true
+    track = "beta"
+  }
+}
+
+dependencies {
+  implementation(fileTree(mapOf("dir" to "libs", "include" to listOf("*.jar"))))
+
+  implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.3.50")
+  implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.2.2")
+  implementation("org.jetbrains.kotlinx:kotlinx-coroutines-android:1.2.2")
+
+  implementation("androidx.appcompat:appcompat:1.1.0")
+  implementation("androidx.core:core-ktx:1.2.0-beta01")
+  implementation("androidx.coordinatorlayout:coordinatorlayout:1.0.0")
+  implementation("androidx.preference:preference:1.1.0")
+  implementation("androidx.recyclerview:recyclerview:1.0.0")
+  implementation("androidx.swiperefreshlayout:swiperefreshlayout:1.0.0")
+  implementation("com.google.android.material:material:1.1.0-beta01")
+  implementation("com.android.support.constraint:constraint-layout:1.1.3")
+
+  implementation("com.google.android.exoplayer:exoplayer:2.10.3")
+  implementation("com.google.android.exoplayer:extension-mediasession:2.10.6")
+  implementation("com.google.android.exoplayer:extension-cast:2.10.6")
+  implementation("com.aliassadi:power-preference-lib:1.4.1")
+  implementation("com.github.kittinunf.fuel:fuel:2.1.0")
+  implementation("com.github.kittinunf.fuel:fuel-coroutines:2.1.0")
+  implementation("com.github.kittinunf.fuel:fuel-android:2.1.0")
+  implementation("com.github.kittinunf.fuel:fuel-gson:2.1.0")
+  implementation("com.google.code.gson:gson:2.8.5")
+  implementation("com.squareup.picasso:picasso:2.71828")
+  implementation("jp.wasabeef:picasso-transformations:2.2.1")
+}

app/proguard-rules.pro

@@ -1,21 +0,0 @@
-# Add project specific ProGuard rules here.
-# You can control the set of applied configuration files using the
-# proguardFiles setting in build.gradle.
-#
-# For more details, see
-#   http://developer.android.com/guide/developing/tools/proguard.html
-
-# If your project uses WebView with JS, uncomment the following
-# and specify the fully qualified class name to the JavaScript interface
-# class:
-#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
-#   public *;
-#}
-
-# Uncomment this to preserve the line number information for
-# debugging stack traces.
-#-keepattributes SourceFile,LineNumberTable
-
-# If you keep the line number information, uncomment this to
-# hide the original source file name.
-#-renamesourcefileattribute SourceFile

build.gradle.kts

@@ -0,0 +1,24 @@
+buildscript {
+  repositories {
+    google()
+    jcenter()
+  }
+
+  dependencies {
+    classpath("com.android.tools.build:gradle:3.5.1")
+    classpath("org.jetbrains.kotlin:kotlin-gradle-plugin:1.3.50")
+  }
+}
+
+allprojects {
+  repositories {
+    google()
+    jcenter()
+  }
+}
+
+tasks {
+  val clean by registering(Delete::class) {
+    delete(buildDir)
+  }
+}

gradle.properties

@@ -1,21 +1,5 @@
-# Project-wide Gradle settings.
-# IDE (e.g. Android Studio) users:
-# Gradle settings configured through the IDE *will override*
-# any settings specified in this file.
-# For more details on how to configure your build environment visit
-# http://www.gradle.org/docs/current/userguide/build_environment.html
-# Specifies the JVM arguments used for the daemon process.
-# The setting is particularly useful for tweaking memory settings.
 org.gradle.jvmargs=-Xmx1536m
-# When configured, Gradle will run in incubating parallel mode.
-# This option should only be used with decoupled projects. More details, visit
-# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
-# org.gradle.parallel=true
-# AndroidX package structure to make it clearer which packages are bundled with the
-# Android operating system, and which are packaged with your app's APK
-# https://developer.android.com/topic/libraries/support-library/androidx-rn
+
 android.useAndroidX=true
-# Automatically convert third-party libraries to use AndroidX
 android.enableJetifier=true
-# Kotlin code style for this project: "official" or "obsolete":
 kotlin.code.style=official

settings.gradle.kts

@@ -0,0 +1 @@
+include(":app")