updated publishing code

app/build.gradle

@@ -231,20 +231,16 @@ publishing {
     repositories {
         maven {
             if (project.hasProperty('NEXUS_URL') && project.hasProperty('FLAVOR')) {
-                url = "$NEXUS_URL"
-                credentials {
-                    username = "$NEXUS_URL"
-                    password = "$NEXUS_PASSWORD"
+                repository(url: "$NEXUS_URL") {
+                    authentication(userName: "$NEXUS_USERNAME", password: "$NEXUS_PASSWORD")
                 }
-                pom {
-                    if ("$FLAVOR" == "PROD") {
-                        version = "navi_v$VERSION_NAME"
-                    } else {
-                        version = "navi_v$VERSION_NAME-SNAPSHOT"
-                    }
-                    artifactId = "$FLAVOR"
-                    groupId = "com.naviapp"
+                if ("$FLAVOR" == "PROD") {
+                    pom.version = "navi_v$VERSION_NAME"
+                } else {
+                    pom.version = "navi_v$VERSION_NAME-SNAPSHOT"
                 }
+                pom.artifactId = "$FLAVOR"
+                pom.groupId = "com.naviapp"
             }
         }
     }