Updated libraries. Refactor code

build.gradle

@@ -3,29 +3,31 @@ buildscript {
     repositories {
         jcenter()
         mavenCentral()
+        google()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.1.3'
-        classpath 'com.github.dcendents:android-maven-gradle-plugin:1.4.1'
+        classpath 'com.android.tools.build:gradle:3.1.0'
+        classpath 'com.github.dcendents:android-maven-gradle-plugin:1.5'
     }
 }
 
 allprojects {
 
     ext {
         androidApplicationId = 'com.marcohc.robotocalendar'
-        androidBuildToolsVersion = "24.0.1"
+        androidBuildToolsVersion = "27.0.3"
         androidMinSdkVersion = 14
-        androidTargetSdkVersion = 24
-        androidCompileSdkVersion = 24
+        androidTargetSdkVersion = 27
+        androidCompileSdkVersion = 27
         androidVersionCode = 1
-        androidVersionName = "3.1.1"
+        androidVersionName = "3.2.0"
     }
 
     repositories {
         jcenter()
         mavenCentral()
         maven { url "https://jitpack.io" }
+        google()
     }
 }

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-2.14.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.5.1-all.zip

library/build.gradle

@@ -4,14 +4,14 @@ apply plugin: 'com.github.dcendents.android-maven'
 android {
 
     def globalConfiguration = rootProject.extensions.getByName("ext")
-    compileSdkVersion globalConfiguration.getAt("androidCompileSdkVersion")
-    buildToolsVersion globalConfiguration.getAt("androidBuildToolsVersion")
+    compileSdkVersion globalConfiguration["androidCompileSdkVersion"]
+    buildToolsVersion globalConfiguration["androidBuildToolsVersion"]
 
     defaultConfig {
-        minSdkVersion globalConfiguration.getAt("androidMinSdkVersion")
-        targetSdkVersion globalConfiguration.getAt("androidTargetSdkVersion")
-        versionCode globalConfiguration.getAt("androidVersionCode")
-        versionName globalConfiguration.getAt("androidVersionName")
+        minSdkVersion globalConfiguration["androidMinSdkVersion"]
+        targetSdkVersion globalConfiguration["androidTargetSdkVersion"]
+        versionCode globalConfiguration["androidVersionCode"]
+        versionName globalConfiguration["androidVersionName"]
         vectorDrawables.useSupportLibrary = true
         android.defaultConfig.vectorDrawables.useSupportLibrary = true
     }
@@ -29,6 +29,5 @@ android {
 }
 
 dependencies {
-    compile 'uk.co.chrisjenx:calligraphy:2.2.0'
-    compile 'com.android.support:appcompat-v7:24.2.0'
+    implementation 'uk.co.chrisjenx:calligraphy:2.3.0'
 }