webview: Allow passing activity meta-data

to the Android manifest XML.

https://phabricator.endlessm.com/T33607

Author: manuq

pythonforandroid/bootstraps/common/build/build.py

@@ -682,6 +682,8 @@ def parse_args_and_make_package(args=None):
                     help='The permissions to give this app.', nargs='+')
     ap.add_argument('--meta-data', dest='meta_data', action='append', default=[],
                     help='Custom key=value to add in application metadata')
+    ap.add_argument('--activity-meta-data', dest='activity_meta_data', action='append', default=[],
+                    help='Custom key=value to add in activity metadata')
     ap.add_argument('--uses-library', dest='android_used_libs', action='append', default=[],
                     help='Used shared libraries included using <uses-library> tag in AndroidManifest.xml')
     ap.add_argument('--asset', dest='assets',

pythonforandroid/bootstraps/webview/build/templates/AndroidManifest.tmpl.xml

@@ -78,6 +78,8 @@
             {%- if args.intent_filters -%}
             {{- args.intent_filters -}}
             {%- endif -%}
+            {% for m in args.activity_meta_data %}
+            <meta-data android:name="{{ m.split('=', 1)[0] }}" android:value="{{ m.split('=', 1)[-1] }}"/>{% endfor %}
         </activity>
 
         {% if service %}