Upgrade Gradle and Android SDK versions.

RNTester/android/app/build.gradle

@@ -84,13 +84,12 @@ def enableSeparateBuildPerCPUArchitecture = false
 def enableProguardInReleaseBuilds = false
 
 android {
-    compileSdkVersion 23
-    buildToolsVersion "23.0.1"
+    compileSdkVersion 27
 
     defaultConfig {
         applicationId "com.facebook.react.uiapp"
         minSdkVersion 16
-        targetSdkVersion 23
+        targetSdkVersion 27
         versionCode 1
         versionName "1.0"
         ndk {
@@ -136,9 +135,9 @@ android {
 }
 
 dependencies {
-    compile fileTree(dir: 'libs', include: ['*.jar'])
-    compile 'com.android.support:appcompat-v7:23.0.1'
+    api fileTree(dir: 'libs', include: ['*.jar'])
+    api 'com.android.support:appcompat-v7:27.0.2'
 
     // Build React Native from source
-    compile project(':ReactAndroid')
+    api project(':ReactAndroid')
 }

RNTester/android/app/src/main/AndroidManifest.xml

@@ -18,7 +18,7 @@
 
   <uses-sdk
     android:minSdkVersion="16"
-    android:targetSdkVersion="23" />
+    android:targetSdkVersion="27" />
 
   <!--
   android:icon is used to display launcher icon on mobile devices.

ReactAndroid/DevExperience.md

@@ -4,9 +4,9 @@ Assuming you have the [Android SDK](https://developer.android.com/sdk/installing
 
 Make sure you have the following installed:
 
-- Android SDK version 23
-- SDK build tools version 23
-- Android Support Repository 17 (for Android Support Library)
+- Android SDK version 27
+- SDK build tools version 27
+- Android Support Repository 47 (for Android Support Library)
 
 Follow steps on https://github.com/facebook/react-native/blob/master/react-native-cli/CONTRIBUTING.md, but be sure to bump the version of react-native in package.json to some version > 0.9 (latest published npm version) or set up proxying properly for react-native
 

ReactAndroid/build.gradle

@@ -242,12 +242,11 @@ task packageReactNdkLibsForBuck(dependsOn: packageReactNdkLibs, type: Copy) {
 }
 
 android {
-    compileSdkVersion 23
-    buildToolsVersion "23.0.1"
+    compileSdkVersion 27
 
     defaultConfig {
         minSdkVersion 16
-        targetSdkVersion 22
+        targetSdkVersion 27
         versionCode 1
         versionName "1.0"
 
@@ -292,7 +291,7 @@ android {
 dependencies {
     compile fileTree(dir: 'src/main/third-party/java/infer-annotations/', include: ['*.jar'])
     compile 'javax.inject:javax.inject:1'
-    compile 'com.android.support:appcompat-v7:23.0.1'
+    api 'com.android.support:appcompat-v7:27.0.2'
     compile 'com.facebook.fbui.textlayoutbuilder:textlayoutbuilder:1.0.0'
     compile 'com.facebook.fresco:fresco:1.9.0'
     compile 'com.facebook.fresco:imagepipeline-okhttp3:1.9.0'

ReactAndroid/src/androidTest/AndroidManifest.xml

@@ -3,7 +3,7 @@
           package="com.facebook.react.tests.gradle"
           android:versionCode="1"
           android:versionName="1.0" >
-  <uses-sdk android:targetSdkVersion="7" />
+  <uses-sdk android:targetSdkVersion="27" />
   <supports-screens android:anyDensity="true" />
   <uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW" />
   <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />

build.gradle

@@ -4,10 +4,11 @@ buildscript {
     repositories {
         jcenter()
         mavenLocal()
+        google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.2.2'
-        classpath 'de.undercouch:gradle-download-task:3.1.2'
+        classpath 'com.android.tools.build:gradle:3.0.1'
+        classpath 'de.undercouch:gradle-download-task:3.3.0'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
@@ -23,5 +24,6 @@ allprojects {
         maven {
             url "$androidSdk/extras/m2repository/"
         }
+        google()
     }
 }

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-2.14.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip

local-cli/link/__fixtures__/android/build.gradle

@@ -1,5 +1,5 @@
 dependencies {
-    compile fileTree(dir: "libs", include: ["*.jar"])
-    compile "com.android.support:appcompat-v7:23.0.1"
-    compile "com.facebook.react:react-native:0.18.+"
+    api fileTree(dir: "libs", include: ["*.jar"])
+    api "com.android.support:appcompat-v7:27.0.2"
+    api "com.facebook.react:react-native:0.18.+"
 }

local-cli/link/__fixtures__/android/patchedBuild.gradle

@@ -1,9 +1,9 @@
 dependencies {
-    compile project(':test')
-    compile(project(':test2')) {
+    api project(':test')
+    api(project(':test2')) {
       exclude(group: 'org.unwanted', module: 'test10')
     }
-    compile fileTree(dir: "libs", include: ["*.jar"])
-    compile "com.android.support:appcompat-v7:23.0.1"
-    compile "com.facebook.react:react-native:0.18.+"
+    api fileTree(dir: "libs", include: ["*.jar"])
+    api "com.android.support:appcompat-v7:27.0.2"
+    api "com.facebook.react:react-native:0.18.+"
 }

local-cli/link/android/patches/makeBuildPatch.js

@@ -10,12 +10,12 @@ const normalizeProjectName = require('./normalizeProjectName');
 module.exports = function makeBuildPatch(name) {
   const normalizedProjectName = normalizeProjectName(name);
   const installPattern = new RegExp(
-    `\\s{4}(compile)(\\(|\\s)(project)\\(\\\':${normalizedProjectName}\\\'\\)(\\)|\\s)`
+    `\\s{4}(api)(\\(|\\s)(project)\\(\\\':${normalizedProjectName}\\\'\\)(\\)|\\s)`
   );
 
   return {
     installPattern,
     pattern: /[^ \t]dependencies {\n/,
-    patch: `    compile project(':${normalizedProjectName}')\n`
+    patch: `    api project(':${normalizedProjectName}')\n`
   };
 };

local-cli/templates/HelloWorld/android/app/build.gradle

@@ -94,13 +94,12 @@ def enableSeparateBuildPerCPUArchitecture = false
 def enableProguardInReleaseBuilds = false
 
 android {
-    compileSdkVersion 23
-    buildToolsVersion "23.0.1"
+    compileSdkVersion 27
 
     defaultConfig {
         applicationId "com.helloworld"
         minSdkVersion 16
-        targetSdkVersion 22
+        targetSdkVersion 27
         versionCode 1
         versionName "1.0"
         ndk {
@@ -137,9 +136,9 @@ android {
 }
 
 dependencies {
-    compile fileTree(dir: "libs", include: ["*.jar"])
-    compile "com.android.support:appcompat-v7:23.0.1"
-    compile "com.facebook.react:react-native:+"  // From node_modules
+    api fileTree(dir: "libs", include: ["*.jar"])
+    api "com.android.support:appcompat-v7:27.0.2"
+    api "com.facebook.react:react-native:+"  // From node_modules
 }
 
 // Run this once to be able to run the application with BUCK

local-cli/templates/HelloWorld/android/build.gradle

@@ -2,10 +2,11 @@
 
 buildscript {
     repositories {
+        google()
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.2.3'
+        classpath 'com.android.tools.build:gradle:3.0.1'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
@@ -20,5 +21,6 @@ allprojects {
             // All of React Native (JS, Obj-C sources, Android binaries) is installed from npm
             url "$rootDir/../node_modules/react-native/android"
         }
+        google()
     }
 }

local-cli/templates/HelloWorld/android/gradle/wrapper/gradle-wrapper.properties

@@ -2,4 +2,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.14.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip

scripts/circle-ci-android-setup.sh

@@ -1,9 +1,9 @@
 # inspired by https://github.com/Originate/guide/blob/master/android/guide/Continuous%20Integration.md
 
-# SDK Built Tools revision, per http://facebook.github.io/react-native/docs/getting-started.html
-ANDROID_SDK_BUILD_TOOLS_REVISION=23.0.1
+# SDK Build Tools revision, per http://facebook.github.io/react-native/docs/getting-started.html
+ANDROID_SDK_BUILD_TOOLS_REVISION=27.0.3
 # API Level we build with
-ANDROID_SDK_BUILD_API_LEVEL="23"
+ANDROID_SDK_BUILD_API_LEVEL="27"
 # Minimum API Level we target, used for emulator image
 ANDROID_SDK_TARGET_API_LEVEL="19"
 # Emulator name