Added direction information to all callback interfaces

build.gradle

@@ -5,7 +5,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.0.0-alpha3'
+        classpath 'com.android.tools.build:gradle:3.0.0-beta2'
         classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.4'
         classpath 'com.github.dcendents:android-maven-gradle-plugin:1.4.1'
 

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
-#Mon Jun 12 17:27:00 EDT 2017
+#Tue Aug 15 11:55:10 EDT 2017
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.0-milestone-1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-rc-1-all.zip

swipeable-rv/build.gradle

@@ -14,7 +14,7 @@ ext {
     gitUrl = 'https://github.com/huan-nguyen/SwipeableRV.git'
 
     libraryVersion = '1.1.0'
-    android_support_version = '25.3.1'
+    android_support_version = '25.4.0'
 
     developerId = 'huannguyen'
     developerName = 'Huan Nguyen'