Refine plugin sign and upload

build.gradle

@@ -26,6 +26,7 @@ buildscript {
     }
 
     dependencies {
+        classpath 'com.vanniktech:gradle-maven-publish-plugin:0.8.0'
         classpath 'com.android.tools.build:gradle:3.3.1'
         classpath 'com.github.ben-manes:gradle-versions-plugin:0.20.0'
         classpath 'com.google.gms:google-services:4.2.0'

plugin/build.gradle

@@ -1,8 +1,17 @@
 apply plugin: 'com.android.library'
 apply plugin: 'kotlin-android'
 apply plugin: 'kotlin-android-extensions'
+apply plugin: 'com.vanniktech.maven.publish'
 
-apply from: 'gradle-mvn-push.gradle'
+@SuppressWarnings("GroovyUnusedDeclaration")
+def getRepositoryUsername() {
+    return hasProperty('NEXUS_USERNAME') ? NEXUS_USERNAME : ""
+}
+
+@SuppressWarnings("GroovyUnusedDeclaration")
+def getRepositoryPassword() {
+    return hasProperty('NEXUS_PASSWORD') ? NEXUS_PASSWORD : ""
+}
 
 android {
     buildToolsVersion rootProject.buildToolsVersion
@@ -11,10 +20,10 @@ android {
     defaultConfig {
         minSdkVersion rootProject.minSdkVersion
         targetSdkVersion rootProject.sdkVersion
-        versionCode 9
-        versionName "1.2.0"
+        versionCode Integer.parseInt(VERSION_CODE)
+        versionName VERSION_NAME
 
-        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+        testInstrumentationRunner "androidx.testgetRepositoryPassword().runner.AndroidJUnitRunner"
     }
 
     buildTypes {
@@ -28,6 +37,17 @@ androidExtensions {
     experimental = true
 }
 
+mavenPublish {
+    targets {
+        uploadArchives {
+            releaseRepositoryUrl = "https://oss.sonatype.org/service/local/staging/deploy/maven2/"
+            snapshotRepositoryUrl = "https://oss.sonatype.org/content/repositories/snapshots/"
+            repositoryUsername = getRepositoryUsername()
+            repositoryPassword = getRepositoryPassword()
+        }
+    }
+}
+
 dependencies {
     api "androidx.core:core-ktx:1.0.1"
     api "com.google.android.material:material:1.1.0-alpha03"

plugin/gradle.properties

@@ -0,0 +1,22 @@
+GROUP=com.github.shadowsocks
+VERSION_NAME=1.2.0
+VERSION_CODE=9
+
+POM_ARTIFACT_ID=plugin
+POM_NAME=Shadowsocks Plugin
+POM_PACKAGING=aar
+
+POM_DESCRIPTION=SIP003 plugin for Shadowsocks
+POM_INCEPTION_YEAR=2018
+
+POM_URL=https://github.com/shadowsocks/shadowsocks-android
+POM_SCM_URL=https://github.com/shadowsocks/shadowsocks-android
+POM_SCM_CONNECTION=scm:git:git://github.com/shadowsocks/shadowsocks-android.git
+POM_SCM_DEV_CONNECTION=scm:git:ssh://git@github.com/shadowsocks/shadowsocks-android.git
+
+POM_LICENCE_NAME=The GNU General Public License v3.0
+POM_LICENCE_URL=https://www.gnu.org/licenses/gpl-3.0.html
+POM_LICENCE_DIST=repo
+
+POM_DEVELOPER_ID=Mygod
+POM_DEVELOPER_NAME=Mygod Studio