Support unknown mime type files

example/assets/unknown/unknown_mime_type.bk

@@ -0,0 +1 @@
+This file is UNKNOWN MIME TYPE FILE.

example/lib/gen/assets.gen.dart

@@ -13,6 +13,12 @@ class $PicturesGen {
   AssetGenImage get chip5 => const AssetGenImage('pictures/chip5.jpg');
 }
 
+class $AssetsFlareGen {
+  const $AssetsFlareGen();
+
+  String get penguin => 'assets/flare/Penguin.flr';
+}
+
 class $AssetsImagesGen {
   const $AssetsImagesGen();
 
@@ -31,6 +37,18 @@ class $AssetsJsonGen {
   String get fruits => 'assets/json/fruits.json';
 }
 
+class $AssetsMovieGen {
+  const $AssetsMovieGen();
+
+  String get theEarth => 'assets/movie/the_earth.mp4';
+}
+
+class $AssetsUnknownGen {
+  const $AssetsUnknownGen();
+
+  String get unknownMimeType => 'assets/unknown/unknown_mime_type.bk';
+}
+
 class $AssetsImagesChip3Gen {
   const $AssetsImagesChip3Gen();
 
@@ -57,8 +75,11 @@ class $AssetsImagesIconsGen {
 class Assets {
   Assets._();
 
+  static const $AssetsFlareGen flare = $AssetsFlareGen();
   static const $AssetsImagesGen images = $AssetsImagesGen();
   static const $AssetsJsonGen json = $AssetsJsonGen();
+  static const $AssetsMovieGen movie = $AssetsMovieGen();
+  static const $AssetsUnknownGen unknown = $AssetsUnknownGen();
   static const $PicturesGen pictures = $PicturesGen();
 }
 

example/lib/main.dart

@@ -1,6 +1,7 @@
 import 'package:example/gen/assets.gen.dart';
 import 'package:example/gen/colors.gen.dart';
 import 'package:example/gen/fonts.gen.dart';
+import 'package:flare_flutter/flare_actor.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/widgets.dart';
 
@@ -22,6 +23,15 @@ void main() {
             mainAxisAlignment: MainAxisAlignment.center,
             children: <Widget>[
               // Auto generated image from FlutterGen.
+              Container(
+                width: 200,
+                height: 200,
+                child: FlareActor(
+                  Assets.flare.penguin,
+                  animation: 'walk',
+                  fit: BoxFit.contain,
+                ),
+              ),
               Image(image: Assets.images.chip1),
               Assets.images.icons.kmm.svg(key: Key("kmm_svg")),
               Assets.images.icons.fuchsia.svg(),

example/pubspec.lock

@@ -197,6 +197,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.10.11"
+  flare_dart:
+    dependency: transitive
+    description:
+      name: flare_dart
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.3.4"
+  flare_flutter:
+    dependency: "direct main"
+    description:
+      name: flare_flutter
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.6"
   flutter:
     dependency: "direct main"
     description: flutter

example/pubspec.yaml

@@ -14,6 +14,7 @@ dependencies:
     sdk: flutter
 
   flutter_svg: ^0.18.1
+  flare_flutter: ^2.0.6
 
 dev_dependencies:
   flutter_test:
@@ -57,6 +58,9 @@ flutter:
     - assets/images/icons/paint.svg
     - assets/json/fruits.json
     - pictures/chip5.jpg
+    - assets/flare/
+    - assets/movie/
+    - assets/unknown/unknown_mime_type.bk
   fonts:
     - family: Raleway
       fonts:

lib/src/generators/assets_generator.dart

@@ -137,7 +137,7 @@ _Statement _createAssetTypeStatement(
       value: '$childClassName\(\)',
       isConstConstructor: true,
     );
-  } else if (!assetType.isUnKnownMime) {
+  } else {
     final integration = integrations.firstWhere(
       (element) => element.mime == assetType.mime,
       orElse: () => null,

test/assets_gen_test.dart

@@ -90,6 +90,31 @@ void main() {
       expect(actual, expected);
     });
 
+    test('Assets with Unknown mime type on pubspec.yaml', () async {
+      await FlutterGenerator(
+          File('test_resources/pubspec_unknown_mime_type.yaml'))
+          .build();
+      expect(
+        File('test_resources/lib/gen/assets.gen.dart').readAsStringSync(),
+        isNotEmpty,
+      );
+
+      final pubspec =
+      File('test_resources/pubspec_unknown_mime_type.yaml');
+      final config = await Config(pubspec).load();
+      final formatter = DartFormatter(
+          pageWidth: config.flutterGen.lineLength, lineEnding: '\n');
+
+      final actual = generateAssets(
+          pubspec, formatter, config.flutterGen, config.flutter.assets);
+      final expected =
+      File('test_resources/actual_data/assets_unknown_mime_type.gen.dart')
+          .readAsStringSync()
+          .replaceAll('\r\n', '\n');
+
+      expect(actual, expected);
+    });
+
     test('Assets with No lists on pubspec.yaml', () async {
       final pubspec = File('test_resources/pubspec_assets_no_list.yaml');
       final config = await Config(pubspec).load();

test_resources/actual_data/assets_unknown_mime_type.gen.dart

@@ -0,0 +1,70 @@
+/// GENERATED CODE - DO NOT MODIFY BY HAND
+/// *****************************************************
+///  FlutterGen
+/// *****************************************************
+
+import 'package:flutter/widgets.dart';
+
+class $AssetsUnknownGen {
+  const $AssetsUnknownGen();
+
+  String get unknownMimeType => 'assets/unknown/unknown_mime_type.bk';
+}
+
+class Assets {
+  Assets._();
+
+  static const $AssetsUnknownGen unknown = $AssetsUnknownGen();
+}
+
+class AssetGenImage extends AssetImage {
+  const AssetGenImage(String assetName)
+      : _assetName = assetName,
+        super(assetName);
+  final String _assetName;
+
+  Image image({
+    Key key,
+    ImageFrameBuilder frameBuilder,
+    ImageLoadingBuilder loadingBuilder,
+    ImageErrorWidgetBuilder errorBuilder,
+    String semanticLabel,
+    bool excludeFromSemantics = false,
+    double width,
+    double height,
+    Color color,
+    BlendMode colorBlendMode,
+    BoxFit fit,
+    AlignmentGeometry alignment = Alignment.center,
+    ImageRepeat repeat = ImageRepeat.noRepeat,
+    Rect centerSlice,
+    bool matchTextDirection = false,
+    bool gaplessPlayback = false,
+    bool isAntiAlias = false,
+    FilterQuality filterQuality = FilterQuality.low,
+  }) {
+    return Image(
+      key: key,
+      image: this,
+      frameBuilder: frameBuilder,
+      loadingBuilder: loadingBuilder,
+      errorBuilder: errorBuilder,
+      semanticLabel: semanticLabel,
+      excludeFromSemantics: excludeFromSemantics,
+      width: width,
+      height: height,
+      color: color,
+      colorBlendMode: colorBlendMode,
+      fit: fit,
+      alignment: alignment,
+      repeat: repeat,
+      centerSlice: centerSlice,
+      matchTextDirection: matchTextDirection,
+      gaplessPlayback: gaplessPlayback,
+      isAntiAlias: isAntiAlias,
+      filterQuality: filterQuality,
+    );
+  }
+
+  String get path => _assetName;
+}

test_resources/assets/unknown/unknown_mime_type.bk

@@ -0,0 +1 @@
+This file is UNKNOWN MIME TYPE FILE.

test_resources/pubspec_unknown_mime_type.yaml

@@ -0,0 +1,9 @@
+name: test
+
+flutter_gen:
+  output: lib/gen/ # Optional (default: lib/gen/)
+  lineLength: 80   # Optional (default: 80)
+
+flutter:
+  assets:
+    - assets/unknown/