Support for resource value files

Add the --res-values options to specify resource value files to copy to
`src/main/res/values` in the dist directory. This allows customizing
`styles.xml` and `colors.xml`, for example.

doc/source/buildoptions.rst

@@ -110,6 +110,9 @@ options (this list may not be exhaustive):
 - ``--enable-crashlytics-native-symbol-upload``: Enable processing and uploading
   of native symbols to Firebase servers. This flag must be enabled to see
   properly-symbolicated native stack traces in the Crashlytics dashboard.
+- ``--res-values``: Resource value files to include in the app such as
+  ``colors.xml`` and ``styles.xml``. This option can be specified multiple
+  times.
 
 
 webview
@@ -190,6 +193,9 @@ ready.
 - ``--enable-crashlytics-native-symbol-upload``: Enable processing and uploading
   of native symbols to Firebase servers. This flag must be enabled to see
   properly-symbolicated native stack traces in the Crashlytics dashboard.
+- ``--res-values``: Resource value files to include in the app such as
+  ``colors.xml`` and ``styles.xml``. This option can be specified multiple
+  times.
 
 
 service_library
@@ -220,6 +226,9 @@ systems and frameworks.
   project directory.
 - ``--add-gradle-plugin``: Add a plugin for gradle. The format of the option
   is ``<plugin-id>:<classpath>``. The option can be specified multiple times.
+- ``--res-values``: Resource value files to include in the app such as
+  ``colors.xml`` and ``styles.xml``. This option can be specified multiple
+  times.
 
 
 Requirements blacklist (APK size optimization)

pythonforandroid/bootstraps/common/build/build.py

@@ -522,6 +522,13 @@ def make_package(args):
                 xmlpath = join(args.private, xmlpath)
             shutil.copy(xmlpath, res_xml_dir)
 
+    # Copy res_values files to src/main/res/values
+    res_values_dir = join(res_dir, 'values')
+    if args.res_values:
+        ensure_dir(res_values_dir)
+        for xmlpath in args.res_values:
+            shutil.copy(xmlpath, res_values_dir)
+
     # Render out android manifest:
     manifest_path = "src/main/AndroidManifest.xml"
     render_args = {
@@ -832,6 +839,8 @@ def parse_args_and_make_package(args=None):
                           'directory'))
     ap.add_argument('--res_xml', dest='res_xmls', action='append', default=[],
                     help='Add files to res/xml directory (for example device-filters)', nargs='+')
+    ap.add_argument('--res-values', dest='res_values', action='append', default=[],
+                    help='Add files to res/values directory (for example styles.xml)')
     ap.add_argument('--with-billing', dest='billing_pubkey',
                     help='If set, the billing service will be added (not implemented)')
     ap.add_argument('--add-source', dest='extra_source_dirs', action='append',

pythonforandroid/toolchain.py

@@ -997,7 +997,7 @@ def _fix_args(args):
         fix_args = ('--dir', '--private', '--add-jar', '--add-source',
                     '--whitelist', '--blacklist', '--presplash', '--icon',
                     '--icon-bg', '--icon-fg', '--fileprovider-paths',
-                    '--google-services-json')
+                    '--google-services-json', '--res-values')
         unknown_args = args.unknown_args
 
         for asset in args.assets: