Update deps

.travis.yml

@@ -10,13 +10,17 @@ cache:
     - $HOME/.gradle/wrapper/
     - $HOME/.android/build-cache
 
+before_install:
+  - mkdir "$ANDROID_HOME/licenses" || true
+  - echo -e "\n8933bad161af4178b1185d1a37fbf41ea5269c55" > "$ANDROID_HOME/licenses/android-sdk-license"
+  - echo -e "\n84831b9409646a918e30573bab4c9c91346d8abd" > "$ANDROID_HOME/licenses/android-sdk-preview-license"
 android:
   components:
+    # https://github.com/travis-ci/travis-ci/issues/6040#issuecomment-219367943
+    - tools
     - tools
-    - platform-tools
-    - build-tools-26.0.1
-    - android-26
 
+before_script: echo y | ${ANDROID_HOME}tools/bin/sdkmanager --channel=3 "tools" "platform-tools" "platforms;android-27"
 script: ./gradlew build
 
 after_failure:

app/build.gradle

@@ -2,7 +2,6 @@ apply plugin: 'com.android.application'
 
 android {
     compileSdkVersion compileSdk
-    buildToolsVersion buildTools
 
     defaultConfig {
         applicationId "pub.devrel.easypermissions.sample"

build.gradle

@@ -5,7 +5,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.0.0-beta6'
+        classpath 'com.android.tools.build:gradle:3.0.0'
 
         classpath 'com.github.dcendents:android-maven-gradle-plugin:1.5'
         classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.7.3'
@@ -35,9 +35,8 @@ ext {
 
     bintrayOrg = 'easygoogle'
 
-    support_library_version = '26.0.1'
+    support_library_version = '27.0.1'
 
-    buildTools = '26.0.1'
-    compileSdk = 26
-    targetSdk = 26
+    compileSdk = 27
+    targetSdk = 27
 }

easypermissions/build.gradle

@@ -2,7 +2,6 @@ apply plugin: 'com.android.library'
 
 android {
     compileSdkVersion compileSdk
-    buildToolsVersion buildTools
 
     defaultConfig {
         minSdkVersion 14
@@ -25,7 +24,7 @@ dependencies {
     api "com.android.support:support-fragment:$support_library_version"
 
     testImplementation 'junit:junit:4.12'
-    testImplementation 'org.robolectric:robolectric:3.4.2'
+    testImplementation 'org.robolectric:robolectric:3.5.1'
 }
 
 apply from: 'maven.gradle'

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,5 @@
-#Fri Aug 18 16:20:16 PDT 2017
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.3.1-all.zip