Update to android/build.gradle

Related to issue #327
WARNING: Configuration 'compile' is obsolete and has been replaced with 'implementation' and 'api'.
It will be removed at the end of 2018. For more information see: http://d.android.com/r/tools/update-dependency-configurations.html

Author: Shhzdmrz

android/build.gradle

@@ -1,12 +1,17 @@
 apply plugin: 'com.android.library'
 
+def DEFAULT_COMPILE_SDK_VERSION             = 26
+def DEFAULT_BUILD_TOOLS_VERSION             = "26.0.2"
+def DEFAULT_TARGET_SDK_VERSION              = 26
+def DEFAULT_SUPPORT_LIB_VERSION             = "26.1.0"
+
 android {
-    compileSdkVersion 26
-    buildToolsVersion "26.0.3"
+    compileSdkVersion rootProject.hasProperty('compileSdkVersion') ? rootProject.compileSdkVersion : DEFAULT_COMPILE_SDK_VERSION
+    buildToolsVersion rootProject.hasProperty('buildToolsVersion') ? rootProject.buildToolsVersion : DEFAULT_BUILD_TOOLS_VERSION
 
     defaultConfig {
         minSdkVersion 16
-        targetSdkVersion 26
+        targetSdkVersion rootProject.hasProperty('targetSdkVersion') ? rootProject.targetSdkVersion : DEFAULT_TARGET_SDK_VERSION
         versionCode 1
         versionName "1.0"
     }
@@ -19,8 +24,10 @@ android {
 }
 
 dependencies {
-    compile fileTree(dir: 'libs', include: ['*.jar'])
-    testCompile 'junit:junit:4.12'
-    compile 'com.android.support:appcompat-v7:26.1.0'
-    compile "com.facebook.react:react-native:+" // From node_modules
-}
+    def supportLibVersion = rootProject.hasProperty('supportLibVersion') ? rootProject.supportLibVersion : DEFAULT_SUPPORT_LIB_VERSION
+
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+    testImplementation 'junit:junit:4.12'
+    implementation "com.android.support:appcompat-v7:$supportLibVersion"
+    compileOnly "com.facebook.react:react-native:+" // From node_modules
+}

package.json

@@ -28,7 +28,7 @@
     "url": "https://github.com/crazycodeboy/react-native-splash-screen/issues"
   },
   "peerDependencies": {
-    "react-native": ">=0.47.0"
+    "react-native": ">=0.57.0"
   },
   "homepage": "https://github.com/crazycodeboy/react-native-splash-screen#readme"
 }