feature/upgrade-gradle

android/build.gradle

@@ -2,22 +2,27 @@
 buildscript {
     repositories {
         jcenter()
+        google()        
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.2.3'
+        classpath 'com.android.tools.build:gradle:3.1.4'
     }
 }
 
 apply plugin: 'com.android.library'
 
+def safeExtGet(prop, fallback) {
+    rootProject.ext.has(prop) ? rootProject.ext.get(prop) : fallback
+}
+
 android {
-    compileSdkVersion 23
-    buildToolsVersion "23.0.1"
+    compileSdkVersion safeExtGet("compileSdkVersion", 26)
+    buildToolsVersion safeExtGet("buildToolsVersion", "27.0.3")
 
     defaultConfig {
-        minSdkVersion 16
-        targetSdkVersion 22
+        minSdkVersion safeExtGet("minSdkVersion", 16)
+        targetSdkVersion safeExtGet("targetSdkVersion", 26)
         versionCode 1
         versionName "1.0"
     }
@@ -31,6 +36,6 @@ repositories {
 }
 
 dependencies {
-    compile 'com.facebook.react:react-native:+'
+    implementation "com.facebook.react:react-native:${safeExtGet("reactNative", "+")}" // from node_modules
 }
 

example/android/app/build.gradle

@@ -94,13 +94,13 @@ def enableSeparateBuildPerCPUArchitecture = false
 def enableProguardInReleaseBuilds = false
 
 android {
-    compileSdkVersion 23
-    buildToolsVersion "23.0.1"
+    compileSdkVersion rootProject.ext.compileSdkVersion
+    buildToolsVersion rootProject.ext.buildToolsVersion
 
     defaultConfig {
         applicationId "com.example"
-        minSdkVersion 16
-        targetSdkVersion 22
+        minSdkVersion rootProject.ext.minSdkVersion
+        targetSdkVersion rootProject.ext.targetSdkVersion
         versionCode 1
         versionName "1.0"
         ndk {
@@ -137,10 +137,10 @@ android {
 }
 
 dependencies {
-    compile project(':react-native-gallery-manager')
-    compile fileTree(dir: "libs", include: ["*.jar"])
-    compile "com.android.support:appcompat-v7:23.0.1"
-    compile "com.facebook.react:react-native:+"  // From node_modules
+    implementation project(':react-native-gallery-manager')
+    implementation fileTree(dir: "libs", include: ["*.jar"])
+    implementation "com.android.support:appcompat-v7:${rootProject.ext.supportLibVersion}"
+    implementation "com.facebook.react:react-native:+"  // From node_modules
 }
 
 // Run this once to be able to run the application with BUCK

example/android/build.gradle

@@ -1,11 +1,19 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 
 buildscript {
+    ext {
+        buildToolsVersion = "27.0.3"
+        minSdkVersion = 16
+        compileSdkVersion = 27
+        targetSdkVersion = 26
+        supportLibVersion = "27.1.1"
+    }
+
     repositories {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.2.3'
+        classpath 'com.android.tools.build:gradle:3.1.4'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
@@ -20,5 +28,6 @@ allprojects {
             // All of React Native (JS, Obj-C sources, Android binaries) is installed from npm
             url "$rootDir/../node_modules/react-native/android"
         }
+        google()
     }
 }

example/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-4.4-all.zip