started to work on gradle build

Author: codeanticode

src/processing/mode/android/AndroidBuild.java

@@ -31,6 +31,7 @@
 import processing.app.Library;
 import processing.app.Messages;
 import processing.app.Platform;
+import processing.app.Preferences;
 import processing.app.Sketch;
 import processing.app.SketchException;
 import processing.app.Util;
@@ -94,7 +95,6 @@ class AndroidBuild extends JavaBuild {
   static public final String wear_version = "2.0.0";
   static public final String gvr_sdk_version = "1.10.0";
 
-  
   private boolean runOnEmulator = false;
   private int appComponent = FRAGMENT;
   private boolean rewriteManifest = false;
@@ -751,6 +751,12 @@ public File exportProject() throws IOException, SketchException {
     // this will set debuggable to true in the .xml file
     target = "debug";
 
+    String buildSystem = Preferences.get("android.build.system");
+    if (buildSystem == null) {
+      buildSystem = "gradle";
+      Preferences.set("android.build.system", buildSystem);
+    }
+    
     if (appComponent == WATCHFACE) {
       // We are building a watchface not to run on the emulator. We need the
       // handheld app:
@@ -761,15 +767,24 @@ public File exportProject() throws IOException, SketchException {
       File projectFolder = createHandheldProject(wearFolder, null);
       if (projectFolder != null) {
         File exportFolder = createExportFolder();
-        Util.copyDir(projectFolder, exportFolder);
+        if (buildSystem.equals("gradle")) {
+          createGradleProject(projectFolder, exportFolder);
+        } else { // ant          
+          Util.copyDir(projectFolder, exportFolder);
+        }
         return exportFolder;
       }
       return null;      
     } else {
       File projectFolder = createProject(false);
       if (projectFolder != null) {
         File exportFolder = createExportFolder();
-        Util.copyDir(projectFolder, exportFolder);
+        if (buildSystem.equals("gradle")) {
+          createGradleProject(projectFolder, exportFolder);
+        } else { // ant   
+        Util.copyDir(
+          projectFolder, exportFolder);
+        }
         return exportFolder;
       }
       return null;
@@ -1496,6 +1511,11 @@ public void cleanup() {
   }
 
 
+  protected void createGradleProject(File projectFolder, File exportFolder) {
+    
+  }
+  
+  
   // Some leftovers from earlier versions of the mode, probably should remove at some point...
   /*
   // SDK tools 17 have a problem where 'dex' won't pick up the libs folder