Remove i18n package. Add xml files with strings to flutter assets. Create method for passing localized strings to channel.

pubspec.lock

@@ -1,20 +1,6 @@
 # Generated by pub
 # See http://pub.dartlang.org/doc/glossary.html#lockfile
 packages:
-  analyzer:
-    dependency: transitive
-    description:
-      name: analyzer
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.30.0+4"
-  args:
-    dependency: transitive
-    description:
-      name: args
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.13.7"
   async:
     dependency: transitive
     description:
@@ -22,13 +8,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.0.3"
-  barback:
-    dependency: transitive
-    description:
-      name: barback
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.15.2+14"
   charcode:
     dependency: transitive
     description:
@@ -36,13 +15,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.1.1"
-  cli_util:
-    dependency: transitive
-    description:
-      name: cli_util
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.1.2+1"
   collection:
     dependency: transitive
     description:
@@ -50,60 +22,11 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.14.5"
-  convert:
-    dependency: transitive
-    description:
-      name: convert
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.0.1"
-  crypto:
-    dependency: transitive
-    description:
-      name: crypto
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.0.2+1"
-  csslib:
-    dependency: transitive
-    description:
-      name: csslib
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.14.1"
-  dart_style:
-    dependency: transitive
-    description:
-      name: dart_style
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.0.9+1"
   flutter:
     dependency: "direct main"
     description: flutter
     source: sdk
     version: "0.0.0"
-  front_end:
-    dependency: transitive
-    description:
-      name: front_end
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.1.0-alpha.4.1"
-  glob:
-    dependency: transitive
-    description:
-      name: glob
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.1.5"
-  html:
-    dependency: transitive
-    description:
-      name: html
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.13.2+2"
   http:
     dependency: "direct main"
     description:
@@ -125,41 +48,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.1.5"
-  intl:
-    dependency: "direct main"
-    description:
-      name: intl
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.15.2"
-  intl_translation:
-    dependency: "direct main"
-    description:
-      name: intl_translation
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.15.0"
-  isolate:
-    dependency: transitive
-    description:
-      name: isolate
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.1.0"
-  kernel:
-    dependency: transitive
-    description:
-      name: kernel
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.3.0-alpha.1.1"
-  logging:
-    dependency: transitive
-    description:
-      name: logging
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.11.3+1"
   matcher:
     dependency: transitive
     description:
@@ -174,13 +62,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.1.1"
-  package_config:
-    dependency: transitive
-    description:
-      name: package_config
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.0.3"
   path:
     dependency: transitive
     description:
@@ -202,20 +83,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.7.0"
-  plugin:
-    dependency: transitive
-    description:
-      name: plugin
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.2.0+2"
-  pool:
-    dependency: transitive
-    description:
-      name: pool
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.3.4"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -241,7 +108,7 @@ packages:
       name: sqflite
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.6.2+1"
+    version: "0.6.2+2"
   stack_trace:
     dependency: transitive
     description:
@@ -270,13 +137,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.1.4"
-  utf:
-    dependency: transitive
-    description:
-      name: utf
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.9.0+3"
   vector_math:
     dependency: transitive
     description:
@@ -284,13 +144,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.0.5"
-  watcher:
-    dependency: transitive
-    description:
-      name: watcher
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.9.7+6"
   xml:
     dependency: "direct main"
     description:
@@ -298,12 +151,5 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.6.0"
-  yaml:
-    dependency: transitive
-    description:
-      name: yaml
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.1.13"
 sdks:
   dart: ">=2.0.0-dev.15.0 <=2.0.0-dev.19.0"