update gradle

build.gradle

@@ -3,9 +3,10 @@
 buildscript {
     repositories {
         jcenter()
+        google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.1.0'
+        classpath 'com.android.tools.build:gradle:3.1.2'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
-#Mon Apr 11 11:06:38 EEST 2016
+#Sun Jun 10 21:28:47 EEST 2018
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.10-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip

library/build.gradle

@@ -1,30 +1,29 @@
-apply plugin: 'com.android.library'
-
-android {
-    compileSdkVersion 23
-    buildToolsVersion "23.0.3"
-
-    defaultConfig {
-        minSdkVersion 14
-        targetSdkVersion 23
-        versionCode Integer.parseInt(project.VERSION_CODE)
-        versionName project.VERSION_NAME
-    }
-    buildTypes {
-        release {
-            minifyEnabled false
-            debuggable false
-        }
-
-        debug {
-            minifyEnabled false
-            debuggable true
-        }
-    }
-}
-
-dependencies {
-    compile fileTree(dir: 'libs', include: ['*.jar'])
-}
-
-apply from: '../gradle-mvn-push.gradle'
+apply plugin: 'com.android.library'
+
+android {
+    compileSdkVersion 27
+
+    defaultConfig {
+        minSdkVersion 14
+        targetSdkVersion 27
+        versionCode Integer.parseInt(project.VERSION_CODE)
+        versionName project.VERSION_NAME
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            debuggable false
+        }
+
+        debug {
+            minifyEnabled false
+            debuggable true
+        }
+    }
+}
+
+dependencies {
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+}
+
+apply from: '../gradle-mvn-push.gradle'

sample/build.gradle

@@ -1,13 +1,12 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 23
-    buildToolsVersion "23.0.3"
+    compileSdkVersion 27
 
     defaultConfig {
         applicationId "com.github.fab.sample"
         minSdkVersion 14
-        targetSdkVersion 23
+        targetSdkVersion 27
         versionCode Integer.parseInt(project.VERSION_CODE)
         versionName project.VERSION_NAME
     }
@@ -27,9 +26,9 @@ android {
 }
 
 dependencies {
-    compile fileTree(dir: 'libs', include: ['*.jar'])
-    compile 'com.android.support:appcompat-v7:23.3.0'
-    compile 'com.android.support:recyclerview-v7:23.3.0'
-    compile 'com.android.support:design:23.3.0'
-    compile project(':library')
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+    implementation 'com.android.support:appcompat-v7:27.1.1'
+    implementation 'com.android.support:recyclerview-v7:27.1.1'
+    implementation 'com.android.support:design:27.1.1'
+    implementation project(':library')
 }