Gradle for java library

Summary: This builds the java bindings with gradle, and adds a script for Facebook employees to upload the generated artifacts to JCenter.

Reviewed By: emilsjolander

Differential Revision: D4597335

fbshipit-source-id: 4c01695a8638000a417bfb49deba4b9b9b4e114b

.gitignore

@@ -60,3 +60,6 @@ Pods/
 # Carthage/Checkouts
 
 Carthage/Build
+
+# Gradle
+.gradle

android/BUCK

@@ -9,7 +9,7 @@ include_defs('//YOGA_DEFS')
 
 android_aar(
   name = 'android',
-  manifest_skeleton = 'AndroidManifest.xml',
+  manifest_skeleton = 'src/main/AndroidManifest.xml',
   deps = [
     ANDROID_JAVA_TARGET,
     ANDROID_RES_TARGET,

android/src/main/res/values/attrs.xml

@@ -14,27 +14,27 @@
 
     <attr name="align_content" format="enum">
       <enum name="auto" value="0"/>
-      <enum name="flex-start" value="1"/>
+      <enum name="flex_start" value="1"/>
       <enum name="center" value="2"/>
-      <enum name="flex-end" value="3"/>
+      <enum name="flex_end" value="3"/>
       <enum name="stretch" value="4"/>
       <enum name="baseline" value="5"/>
     </attr>
 
     <attr name="align_items" format="enum">
       <enum name="auto" value="0"/>
-      <enum name="flex-start" value="1"/>
+      <enum name="flex_start" value="1"/>
       <enum name="center" value="2"/>
-      <enum name="flex-end" value="3"/>
+      <enum name="flex_end" value="3"/>
       <enum name="stretch" value="4"/>
       <enum name="baseline" value="5"/>
     </attr>
 
     <attr name="align_self" format="enum">
       <enum name="auto" value="0"/>
-      <enum name="flex-start" value="1"/>
+      <enum name="flex_start" value="1"/>
       <enum name="center" value="2"/>
-      <enum name="flex-end" value="3"/>
+      <enum name="flex_end" value="3"/>
       <enum name="stretch" value="4"/>
       <enum name="baseline" value="5"/>
     </attr>
@@ -65,9 +65,9 @@
 
     <attr name="flex_direction" format="enum">
       <enum name="column" value="0"/>
-      <enum name="column-reverse" value="1"/>
+      <enum name="column_reverse" value="1"/>
       <enum name="row" value="2"/>
-      <enum name="row-reverse" value="3"/>
+      <enum name="row_reverse" value="3"/>
     </attr>
 
     <attr name="flex_grow" format="float"/>
@@ -79,11 +79,11 @@
     <attr name="height_percent" format="float"/>
 
     <attr name="justify_content" format="enum">
-      <enum name="flex-start" value="0"/>
+      <enum name="flex_start" value="0"/>
       <enum name="center" value="1"/>
-      <enum name="flex-end" value="2"/>
-      <enum name="space-between" value="3"/>
-      <enum name="space-around" value="4"/>
+      <enum name="flex_end" value="2"/>
+      <enum name="space_between" value="3"/>
+      <enum name="space_around" value="4"/>
     </attr>
 
     <attr name="margin_left" format="dimension"/>
@@ -178,7 +178,7 @@
     <attr name="width_percent" format="float"/>
 
     <attr name="wrap" format="enum">
-      <enum name="no-wrap" value="0"/>
+      <enum name="no_wrap" value="0"/>
       <enum name="wrap" value="1"/>
     </attr>
   </declare-styleable>

build.gradle

@@ -0,0 +1,31 @@
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+
+buildscript {
+    repositories {
+        jcenter()
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:2.2.2'
+        classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.7.3'
+        classpath 'com.github.dcendents:android-maven-gradle-plugin:1.4.1'
+        classpath 'com.nabilhachicha:android-native-dependencies:0.1'
+
+        // NOTE: Do not place your application dependencies here; they belong
+        // in the individual module build.gradle files
+    }
+}
+
+allprojects {
+  repositories {
+    flatDir {
+      dirs "${rootDir}/lib/jsr-305"
+      dirs "${rootDir}/lib/soloader"
+      dirs "${rootDir}/lib/appcompat"
+      dirs "${rootDir}/lib/android-support"
+    }
+  }
+}
+
+task clean(type: Delete) {
+    delete rootProject.buildDir
+}

java/AndroidManifest.xml

@@ -0,0 +1,6 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.facebook.yoga">
+
+    <application/>
+
+</manifest>

java/build.gradle

@@ -0,0 +1,148 @@
+apply plugin: "com.jfrog.bintray"
+apply plugin: 'com.android.library'
+apply plugin: 'com.github.dcendents.android-maven'
+apply plugin: 'maven-publish'
+
+targetCompatibility = '1.7'
+sourceCompatibility = '1.7'
+
+version = '1.0.0'
+group = 'com.facebook.yoga'
+
+// We currently build the native libraries with buck and bundle them together
+// at this point into the AAR
+task buckBuildAndCopy(type: Exec) {
+  commandLine '../scripts/build_natives_for_gradle.sh'
+}
+
+android {
+  compileSdkVersion 19
+  buildToolsVersion "19.1.0"
+
+  defaultConfig {
+      minSdkVersion 15
+      targetSdkVersion 19
+  }
+
+  compileOptions {
+    sourceCompatibility JavaVersion.VERSION_1_7
+    targetCompatibility JavaVersion.VERSION_1_7
+  }
+
+  sourceSets {
+    main {
+      java.srcDir 'com'
+      manifest.srcFile 'AndroidManifest.xml'
+      res.srcDirs = ['res']
+      jniLibs.srcDirs = ['build/buck-out/jniLibs']
+    }
+  }
+}
+
+preBuild.dependsOn buckBuildAndCopy
+
+dependencies {
+  compile(name: 'jsr305')
+  compile(name: 'soloader-0.1.0', ext: 'aar')
+}
+
+task sourcesJar(type: Jar) {
+    from android.sourceSets.main.java.srcDirs
+    classifier = 'source'
+}
+
+task javadoc(type: Javadoc) {
+    failOnError false
+    source = android.sourceSets.main.java.sourceFiles
+    classpath += project.files(android.getBootClasspath().join(File.pathSeparator))
+    classpath += configurations.compile
+}
+
+task javadocJar(type: Jar, dependsOn: javadoc) {
+    classifier = 'javadoc'
+    from javadoc.destinationDir
+}
+
+ext {
+    bintrayRepo = 'maven'
+    bintrayUserOrg = 'facebook'
+    bintrayName = "com.facebook.yoga:yoga"
+    siteURL = "https://facebook.github.io/yoga/"
+    projectLicenses = {
+        license {
+            name 'BSD License'
+            url 'https://github.com/facebook/yoga/blob/master/LICENSE'
+            distribution 'repo'
+        }
+    }
+}
+
+
+def pomConfig = {
+    licenses  {
+        // TODO Can we grab this from above?
+        license {
+            name 'BSD License'
+            url 'https://github.com/facebook/yoga/blob/master/LICENSE'
+            distribution 'repo'
+        }
+    }
+}
+
+publishing {
+  publications {
+    yoga(MavenPublication) {
+      groupId group
+      artifact(sourcesJar)
+      artifact(javadocJar)
+      pom.withXml {
+          def root = asNode()
+          root.appendNode('name', 'Yoga')
+          root.appendNode('url', siteURL)
+          root.children().last() + pomConfig
+      }
+    }
+  }
+}
+
+bintray {
+    user = getBintrayUsername()
+    key = getBintrayApiKey()
+    publications = ['yoga']
+    configurations = ['archives']
+    pkg {
+        repo = bintrayRepo
+        userOrg = bintrayUserOrg
+        name = bintrayName
+        dryRun = dryRunOnly()
+        licenses = projectLicenses
+        override = true
+        publish = true
+        publicDownloadNumbers = true
+        version {
+            name = version
+            released = new Date()
+            gpg {
+                sign = true
+                passphrase = getBintrayGpgPassword()
+            }
+        }
+    }
+}
+
+
+def getBintrayUsername() {
+    return hasProperty('bintrayUsername') ? property('bintrayUsername') : System.getenv('BINTRAY_USERNAME')
+}
+
+def getBintrayApiKey() {
+    return hasProperty('bintrayApiKey') ? property('bintrayApiKey') : System.getenv('BINTRAY_API_KEY')
+}
+
+def getBintrayGpgPassword() {
+    return hasProperty('bintrayGpgPassword') ? property('bintrayGpgPassword') : System.getenv('BINTRAY_GPG_PASSWORD')
+}
+
+def dryRunOnly() {
+    return hasProperty('dryRun') ? property('dryRun').toBoolean() : false 
+}

java/res/values/strings.xml

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<!--
+  Copyright (c) 2014-present, Facebook, Inc.
+  All rights reserved.
+
+  This source code is licensed under the BSD-style license found in the
+  LICENSE file in the root directory of this source tree. An additional grant
+  of patent rights can be found in the PATENTS file in the same directory.
+-->
+
+<resources>
+  <string name="app_name">Yoga</string>
+</resources>

scripts/build_natives_for_gradle.sh

@@ -0,0 +1,16 @@
+#!/bin/bash
+
+buck build //android:android
+
+X86_DEST=build/buck-out/jniLibs/x86
+ARMV7_DEST=build/buck-out/jniLibs/armabi-v7a
+
+mkdir -p $X86_DEST
+mkdir -p $ARMV7_DEST
+
+cp ../buck-out/gen/java/jni#android-armv7,shared/libyoga.so $ARMV7_DEST
+cp ../buck-out/gen/java/jni#android-x86,shared/libyoga.so $X86_DEST 
+
+cp ../buck-out/gen/yoga#android-armv7,shared/libyogacore.so $ARMV7_DEST
+cp ../buck-out/gen/yoga#android-x86,shared/libyogacore.so $X86_DEST
+

scripts/deploy_jcenter.sh

@@ -0,0 +1,30 @@
+#!/bin/bash
+set -e
+
+echo
+echo -e "\033[1;34m** We'll need your Bintray credentials. If you don't remember them go to https://bintray.com/profile/edit\033[0m"
+
+echo -e "\033[1;34m** [1/3] Please enter your Bintray username (probably not your email address): \033[0m"
+read -r BINTRAY_USER
+echo -e "\033[1;34m** [2/3] Please enter your Bintray API key: \033[0m"
+read -r BINTRAY_KEY
+echo -e "\033[1;34m** [3/3] Please enter your GPG passphrase: \033[0m"
+read -r GPG_PASS
+
+uploadcmd="gradle clean build bintrayUpload --info -PbintrayUsername='$BINTRAY_USER' -PbintrayApiKey='$BINTRAY_KEY' -PbintrayGpgPassword='$GPG_PASS'"
+
+echo
+echo -e "\033[1;34m** Dry run\033[0m"
+(cd java; eval "$uploadcmd -PdryRun=true")
+
+echo
+echo -e "\033[1;34m** Are you happy to conintue?: [yN]\033[0m"
+read -p "" -n 1 yn
+  case $yn in
+    [Yy]* ) ;;
+    * ) echo -e "\n\033[1;34m** Run $0 when you're ready to try again\033[0m" && exit;;
+  esac
+
+echo
+echo -e "\033[1;34m** Publishing\033[0m"
+eval "$uploadcmd"

settings.gradle

@@ -0,0 +1,2 @@
+include ':yoga'
+project(':yoga').projectDir = file('java')