Set up entry points for flavors.

lib/config.dart

+enum Flavor {
+  DEVELOPMENT,
+  PRODUCTION
+}
+
+class Config {
+  static Flavor appFlavor;
+}
+
 const String APP_HOST = "https://demo1.vereign.com";
 
 /* OAuth */

lib/main-dev.dart

+import 'package:flutter/material.dart';
+import 'app.dart';
+import 'config.dart';
+void main() {
+  Config.appFlavor = Flavor.DEVELOPMENT;
+  runApp(App());
+}
\ No newline at end of file

lib/main.dart

-// main.dart
 import 'package:flutter/material.dart';
 import 'app.dart';
-void main() => runApp(App());
\ No newline at end of file
+import 'config.dart';
+void main() {
+  Config.appFlavor = Flavor.PRODUCTION;
+  runApp(App());
+}
\ No newline at end of file