laod versions from properties file, and copy it to dist package

Author: codeanticode

build.gradle

@@ -22,18 +22,19 @@ allprojects {
     apply plugin: 'java'
     apply plugin: 'java-library'
 
-    // Versions of all dependencies - TODO: read from some properties file...
-    ext.targetSdkVersion = '26'
-    ext.supportLibsVersion = '26.0.2'
-    ext.wearVersion = '2.1.0'
-    ext.gvrVersion = '1.150.0'
-    ext.garVersion = '1.2.0'
-    ext.processingVersion = '3.3.7'
-    ext.toolingVersion = '5.6.2'
-    ext.slf4jVersion = '1.7.28'
-    ext.gradlewVersion = '5.6.2'
-    ext.toolsLibVersion = '26.0.0-dev'
-    ext.jdtVersion = '3.11.100'
+    Properties versions = new Properties()
+    versions.load(project.rootProject.file("mode/version.properties").newDataInputStream())
+    ext.targetSdkVersion = versions.getProperty("android-platform")
+    ext.supportLibsVersion = versions.getProperty("com.android.support%support-v4")
+    ext.wearVersion = versions.getProperty("com.google.android.support%wearable")
+    ext.gvrVersion = versions.getProperty("com.google.vr")
+    ext.garVersion = versions.getProperty("com.google.ar")
+    ext.processingVersion = versions.getProperty("org.processing")
+    ext.toolingVersion = versions.getProperty("org.gradle%gradle-tooling-api")
+    ext.slf4jVersion = versions.getProperty("org.slf4j")
+    ext.gradlewVersion = versions.getProperty("gradlew")
+    ext.toolsLibVersion = versions.getProperty("android-toolslib")
+    ext.jdtVersion = versions.getProperty("org.eclipse.jdt")
 
     Properties modeProperties = new Properties()
     modeProperties.load(project.rootProject.file("mode/mode.properties").newDataInputStream())
@@ -115,6 +116,9 @@ task dist {
         Files.copy(file("mode/processing-core.zip").toPath(),
                    file("${root}/processing-core.zip").toPath(), REPLACE_EXISTING)
 
+        Files.copy(file("mode/version.properties").toPath(),
+                   file("${root}/version.properties").toPath(), REPLACE_EXISTING)
+
         Files.copy(file("mode/mode.properties").toPath(),
                    file("${root}/mode.properties").toPath(), REPLACE_EXISTING)