[Crane] Adds buildSrc

Change-Id: I2760f0488fce6fa02dabfc31eaa45bcf4fb039d6

Crane/app/build.gradle

@@ -1,5 +1,3 @@
-import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
-
 /*
  * Copyright 2019 Google, Inc.
  *
@@ -16,19 +14,24 @@ import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
  * limitations under the License.
  */
 
-apply plugin: 'com.android.application'
-apply plugin: 'kotlin-android'
+import com.example.crane.buildsrc.Libs
+import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
+
+plugins {
+    id 'com.android.application'
+    id 'kotlin-android'
+}
 
 // Reads the Google maps key that is used in the AndroidManifest
 Properties properties = new Properties()
 properties.load(project.rootProject.file("local.properties").newDataInputStream())
 
 android {
-    compileSdkVersion 29
+    compileSdkVersion 30
     defaultConfig {
         applicationId "androidx.compose.samples.crane"
         minSdkVersion 21
-        targetSdkVersion 29
+        targetSdkVersion 30
         versionCode 1
         versionName "1.0"
         vectorDrawables.useSupportLibrary = true
@@ -55,13 +58,16 @@ android {
         compose true
     }
     composeOptions {
-        kotlinCompilerVersion "1.4.0-dev-withExperimentalGoogleExtensions-20200720"
-        kotlinCompilerExtensionVersion "0.1.0-SNAPSHOT"
+        kotlinCompilerVersion Libs.AndroidX.Compose.kotlinCompilerVersion
+        kotlinCompilerExtensionVersion Libs.AndroidX.Compose.version
     }
 }
 
 tasks.withType(KotlinCompile).configureEach {
     kotlinOptions {
+        // Treat all Kotlin warnings as errors
+        allWarningsAsErrors = true
+
         jvmTarget = "1.8"
         freeCompilerArgs += ["-Xallow-jvm-ir-dependencies", "-Xskip-prerelease-check"]
     }
@@ -72,25 +78,24 @@ configurations {
 }
 
 dependencies {
-    implementation 'org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.4-M3'
-    implementation 'com.google.android.gms:play-services-maps:17.0.0'
+    implementation Libs.Kotlin.stdlib
+    implementation Libs.googleMaps
 
-    def composeVersion = "0.1.0-SNAPSHOT"
-    implementation "androidx.compose.runtime:runtime:$composeVersion"
-    implementation "androidx.compose.material:material:$composeVersion"
-    implementation "androidx.compose.foundation:foundation:$composeVersion"
-    implementation "androidx.compose.foundation:foundation-layout:$composeVersion"
-    implementation "androidx.compose.animation:animation:$composeVersion"
-    implementation "androidx.ui:ui-tooling:$composeVersion"
+    implementation Libs.AndroidX.Compose.runtime
+    implementation Libs.AndroidX.Compose.foundation
+    implementation Libs.AndroidX.Compose.material
+    implementation Libs.AndroidX.Compose.layout
+    implementation Libs.AndroidX.Compose.animation
+    implementation Libs.AndroidX.UI.tooling
 
-    implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.2.0'
-    implementation 'androidx.appcompat:appcompat:1.1.0'
-    implementation 'androidx.activity:activity-ktx:1.1.0'
-    implementation 'androidx.lifecycle:lifecycle-extensions:2.2.0'
+    implementation Libs.AndroidX.appcompat
+    implementation Libs.AndroidX.Lifecycle.viewModelKtx
+    implementation Libs.AndroidX.activityKtx
+    implementation Libs.AndroidX.Lifecycle.extensions
 
-    implementation 'com.squareup.picasso:picasso:2.71828'
+    implementation Libs.picasso
 
-    ktlint "com.pinterest:ktlint:0.37.2"
+    ktlint Libs.ktLint
 }
 
 task ktlint(type: JavaExec, group: "verification") {

Crane/build.gradle

@@ -0,0 +1,41 @@
+/*
+ * Copyright 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import com.example.crane.buildsrc.Libs
+import com.example.crane.buildsrc.Urls
+
+buildscript {
+    repositories {
+        google()
+        jcenter()
+        maven { url Urls.kotlinEap }
+    }
+    dependencies {
+        classpath Libs.androidGradlePlugin
+        classpath Libs.Kotlin.gradlePlugin
+    }
+}
+
+subprojects {
+    repositories {
+        google()
+        jcenter()
+        maven { url Urls.kotlinEap }
+        if (Libs.AndroidX.Compose.version.endsWith("SNAPSHOT")) {
+            maven { url Urls.snapshotUrl }
+        }
+    }
+}

Crane/buildSrc/.gitignore

@@ -0,0 +1 @@
+/build

Crane/buildSrc/build.gradle.kts

@@ -0,0 +1,25 @@
+/*
+ * Copyright 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import org.gradle.kotlin.dsl.`kotlin-dsl`
+
+repositories {
+    jcenter()
+}
+
+plugins {
+    `kotlin-dsl`
+}

Crane/buildSrc/src/main/java/com/example/crane/buildsrc/Dependencies.kt

@@ -0,0 +1,69 @@
+/*
+ * Copyright 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.example.crane.buildsrc
+
+object Versions {
+    const val ktLint = "0.37.2"
+}
+
+object Libs {
+    const val androidGradlePlugin = "com.android.tools.build:gradle:4.2.0-alpha05"
+    const val ktLint = "com.pinterest:ktlint:${Versions.ktLint}"
+    const val picasso = "com.squareup.picasso:picasso:2.71828"
+    const val googleMaps = "com.google.android.gms:play-services-maps:17.0.0"
+
+    object Kotlin {
+        private const val version = "1.4-M3"
+        const val stdlib = "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$version"
+        const val gradlePlugin = "org.jetbrains.kotlin:kotlin-gradle-plugin:$version"
+        const val extensions = "org.jetbrains.kotlin:kotlin-android-extensions:$version"
+    }
+
+    object AndroidX {
+        const val appcompat = "androidx.appcompat:appcompat:1.3.0-alpha01"
+        const val activityKtx = "androidx.activity:activity-ktx:1.1.0"
+
+        object Compose {
+            const val snapshot = "6695716"
+            const val version = "0.1.0-SNAPSHOT"
+
+            const val kotlinCompilerVersion = "1.4.0-dev-withExperimentalGoogleExtensions-20200720"
+            const val runtime = "androidx.compose.runtime:runtime:$version"
+            const val material = "androidx.compose.material:material:$version"
+            const val foundation = "androidx.compose.foundation:foundation:$version"
+            const val layout = "androidx.compose.foundation:foundation-layout:$version"
+            const val animation = "androidx.compose.animation:animation:$version"
+        }
+
+        object UI {
+            const val tooling = "androidx.ui:ui-tooling:${Compose.version}"
+        }
+
+        object Lifecycle {
+            private const val version = "2.2.0"
+
+            const val viewModelKtx = "androidx.lifecycle:lifecycle-viewmodel-ktx:$version"
+            const val extensions = "androidx.lifecycle:lifecycle-extensions:$version"
+        }
+    }
+}
+
+object Urls {
+    const val kotlinEap = "https://dl.bintray.com/kotlin/kotlin-eap/"
+    const val snapshotUrl = "https://androidx-dev-prod.appspot.com/snapshots/builds/" + // Dev15
+            "${Libs.AndroidX.Compose.snapshot}/artifacts/ui/repository/"
+}