example project: upgrade to RN 0.59

example/android/build.gradle

 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 
 buildscript {
+    ext {
+        buildToolsVersion = "28.0.3"
+        minSdkVersion = 16
+        compileSdkVersion = 28
+        targetSdkVersion = 28
+        supportLibVersion = "28.0.0"
+    }
     repositories {
         google()
         mavenLocal()
@@ -8,7 +15,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.2.1'
+        classpath 'com.android.tools.build:gradle:3.3.1'
     }
 }
 

example/android/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-4.6-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.1-all.zip

example/android/myapplication/build.gradle

 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 26
+    compileSdkVersion 28
     buildToolsVersion "28.0.3"
 
     defaultConfig {
         applicationId "com.wix.reactnativenotifications.app"
         minSdkVersion 19
-        targetSdkVersion 26
+        targetSdkVersion 28
         versionCode 1
         versionName "1.0"
 
@@ -21,6 +21,10 @@ android {
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
         }
     }
+    compileOptions {
+        sourceCompatibility 1.8
+        targetCompatibility 1.8
+    }
 }
 
 configurations.all {
@@ -37,8 +41,8 @@ configurations.all {
 dependencies {
 //    compile fileTree(dir: 'libs', include: ['*.jar'])
 
-    implementation 'com.android.support:appcompat-v7:26.1.0'
-    implementation 'com.android.support:design:26.1.0'
+    implementation 'com.android.support:appcompat-v7:28.0.0'
+    implementation 'com.android.support:design:28.0.0'
     implementation 'com.facebook.react:react-native:+'
     implementation project(':react-native-notifications')
 

example/package.json

@@ -6,8 +6,8 @@
     "start": "node node_modules/react-native/local-cli/cli.js start"
   },
   "dependencies": {
-    "react": "16.6.0-alpha.8af6728",
-    "react-native": "^0.57.4",
+    "react": "16.8.3",
+    "react-native": "0.59.x",
     "react-native-notifications": "git://github.com/wix/react-native-notifications.git#iosDeprecationsFixes"
   }
 }