重构v2.0

build.gradle

@@ -6,9 +6,9 @@ buildscript {
     addRepos(repositories)
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.2.1'
-        classpath 'com.novoda:bintray-release:0.9'
-
+        classpath "com.android.tools.build:gradle:$versions.gralde"
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$versions.kotlin"
+        classpath "com.novoda:bintray-release:$versions.bintray_release"
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
     }