Fix pom file (#517)

build.gradle

@@ -5,8 +5,8 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.4.1'
-        classpath 'com.github.dcendents:android-maven-gradle-plugin:1.5'
+        classpath 'com.android.tools.build:gradle:3.4.2'
+        classpath 'com.github.dcendents:android-maven-gradle-plugin:2.1'
         classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.8.4'
     }
 }

cameraview/build.gradle

@@ -56,19 +56,33 @@ dependencies {
 
 //region bintray
 
+// install is a task defined by the Gradle Maven plugin, which is used to
+// publish a maven repo to a local repository. (we actually use the android version of the plugin,
+// com.github.dcendents.android-maven, to support AARs)
+// https://docs.gradle.org/current/userguide/maven_plugin.html#sec:maven_tasks
 install {
-    repositories.mavenInstaller {
-        pom.project {
+    // The repositories property is common to all tasks of type Upload and returns the repositories
+    // into which we will upload data. https://docs.gradle.org/current/dsl/org.gradle.api.tasks.Upload.html#org.gradle.api.tasks.Upload:repositories
+    // It returns a RepositoryHandler: https://docs.gradle.org/current/dsl/org.gradle.api.artifacts.dsl.RepositoryHandler.html
+    repositories {
+        // The maven plugin adds a mavenInstaller property to the RepositoryHandler which can be used to
+        // add and configure a local maven repository cache.
+        // https://docs.gradle.org/current/dsl/org.gradle.api.artifacts.dsl.RepositoryHandler.html#N11785
+        mavenInstaller {
+            // The object here extends PomFilterContainer so we can configure the pom file here.
+            // https://docs.gradle.org/current/javadoc/org/gradle/api/artifacts/maven/PomFilterContainer.html#pom-groovy.lang.Closure-
+            pom {
+                // Now we are inside a MavenPom object that can be configured. We get the project and configure.
+                // https://docs.gradle.org/current/javadoc/org/gradle/api/artifacts/maven/MavenPom.html
+                project {
                     name 'CameraView'
                     description 'A well documented, high-level Android interface that makes capturing pictures ' +
                             'and videos easy, addressing most of the common issues and needs.'
                     url 'https://github.com/natario1/CameraView'
-
                     packaging 'aar'
                     groupId project.group
                     artifactId 'cameraview'
                     version project.version
-
                     licenses {
                         license {
                             name 'The Apache Software License, Version 2.0'
@@ -84,7 +98,9 @@ install {
                     developers {
                         developer {
                             id = 'natario'
-                    name 'Natario'
+                            name 'Mattia Iavarone'
+                        }
+                    }
                 }
             }
         }