Update

.travis.yml

@@ -1,50 +1,58 @@
 language: android
 
+env:
+  global:
+    - ANDROID_API=28
+    - ANDROID_BUILD_TOOLS=28.0.1
+
 android:
   components:
-    # Uncomment the lines below if you want to
-    # use the latest revision of Android SDK Tools
-    - platform-tools
     - tools
-
-    # The BuildTools version used by your project
-    - build-tools-27.0.3
-
-    # The SDK version used to compile your project
-    - android-27
-
-    # Additional components
+    - platform-tools
+    - build-tools-$ANDROID_BUILD_TOOLS
+    - android-$ANDROID_API
     - extra-android-support
     - extra-google-m2repository
     - extra-android-m2repository
-  licenses:
-    - '.+'
+
+before_install:
+  - yes | sdkmanager "platforms;android-$ANDROID_API"
+  - yes | sdkmanager "build-tools;$ANDROID_BUILD_TOOLS"
+
 jdk:
   - oraclejdk8
 
-script: ./gradlew clean test
+script: ./gradlew clean test --stacktrace
 
 branches:
   except:
     - images
     - gh-pages
+    - travis-build
     - i18n
 
 notifications:
   email: false
-  slack: 
+  slack:
     rooms: jahirfiquitiva:StCMaxV85iad38DdSMBY43xW
-    template: 
-      - "Build <%{build_url}|#%{build_number}> (<%{compare_url}|%{commit}: '%{commit_subject}'>)  by %{author} for %{repository_name}@%{branch}, %{result} in %{duration}. <%{build_url}|Check details>."
+    template:
+      - 'Build <%{build_url}|#%{build_number}> (<%{compare_url}|%{commit}: ''%{commit_subject}''>)  by
+        %{author} for %{repository_name}@%{branch}, %{result} in %{duration}. <%{build_url}|Check
+        details>.'
 
 sudo: false
 
+before_cache:
+  - rm -f $HOME/.gradle/caches/modules-2/modules-2.lock
+  - rm -fr $HOME/.gradle/caches/*/plugin-resolution/
+
 cache:
   directories:
-    - $HOME/.m2
+    - "$HOME/.android/build-cache"
+    - "$HOME/.m2"
+    - "$HOME/.gradle"
+    - "$HOME/.gradle/caches/"
+    - "$HOME/.gradle/wrapper/"
 
 before_script:
-  - chmod +x gradlew
-
-before_install:
-  - yes | sdkmanager "platforms;android-27"
+  - chmod +x gradlew

app/build.gradle

@@ -15,8 +15,13 @@
  */
 // TODO: Remove comment marks to enable
 /*
-plugins {
-    id 'com.onesignal.androidsdk.onesignal-gradle-plugin' version '0.8.1'
+buildscript {
+    repositories {
+        maven { url 'https://plugins.gradle.org/m2/' }
+    }
+    dependencies {
+        classpath 'gradle.plugin.com.onesignal:onesignal-gradle-plugin:0.11.0'
+    }
 }
 apply plugin: 'com.onesignal.androidsdk.onesignal-gradle-plugin'
 */
@@ -51,8 +56,8 @@ android {
         applicationId "jahirfiquitiva.apps.kuper.sample"
         minSdkVersion versions.minSdk
         targetSdkVersion versions.targetSdk
-        versionCode 142
-        versionName "1.4.2"
+        versionCode 144
+        versionName "1.4.4"
         vectorDrawables.useSupportLibrary = true
         proguardFiles 'proguard-android-optimize.txt', 'proguard-rules.pro'
         consumerProguardFiles 'proguard-android-optimize.txt', 'proguard-rules.pro'
@@ -87,7 +92,7 @@ android {
 
 dependencies {
     // Kuper
-    implementation('com.jahirfiquitiva:Kuper:1.4.2@aar') {
+    implementation('com.jahirfiquitiva:Kuper:1.4.4@aar') {
         transitive = true
     }
     // TODO: Remove comment marks to enable

dependencies.gradle

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017. Jahir Fiquitiva
+ * Copyright (c) 2018. Jahir Fiquitiva
  *
  * Licensed under the CreativeCommons Attribution-ShareAlike
  * 4.0 International License. You may not use this file except in compliance
@@ -16,13 +16,13 @@
 ext.versions = [
         // Projects
         minSdk    : 16,
-        targetSdk : 27,
-        buildTools: '27.0.3',
+        targetSdk : 28,
+        buildTools: '28.0.1',
         // Gradle Plugins
         gradle    : '3.1.3',
         kotlin    : '1.2.51',
         // Dependencies
-        oneSignal : '3.8.3'
+        oneSignal : '3.9.3'
 ]
 
 ext.gradlePlugins = [