chore: analyze issues introduced from new dart version (#1196)

* Added Component.childrenFactory

* fix some of the lint warnings

* more lint warnings

* remove changelog entry

* more analyzer warnings

* one more warning

* one more warning

* remove more unused imports

* fix more warnings

* another warning

* one more warning

* a lot more warnings

* some more warnings

* fix warnings in flame_svg

* fix warnings in flame_bloc

* Remove OrderedSet override feature

* Remove testRandom change

* Remove unnecessary type checks

* Re-remove deprecated argument in random_test

Co-authored-by: Pasha Stetsenko <stpasha@google.com>

examples/lib/commons/ember.dart

@@ -1,5 +1,4 @@
 import 'package:flame/components.dart';
-import 'package:flame/effects.dart';
 import 'package:flame/game.dart';
 
 class Ember<T extends FlameGame> extends SpriteAnimationComponent

examples/lib/stories/camera_and_viewport/coordinate_systems_example.dart

@@ -6,7 +6,6 @@ import 'package:flame/input.dart';
 import 'package:flame/palette.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
-import 'package:flutter/widgets.dart';
 
 /// A game that allows for camera control and displays Tap, Drag & Scroll
 /// events information on the screen, to allow exploration of the 3 coordinate

examples/lib/stories/collision_detection/circles_example.dart

@@ -1,5 +1,3 @@
-import 'dart:ui';
-
 import 'package:flame/components.dart';
 import 'package:flame/extensions.dart';
 import 'package:flame/game.dart';

examples/lib/stories/collision_detection/collidable_animation_example.dart

@@ -2,11 +2,9 @@ import 'dart:math';
 import 'dart:ui';
 
 import 'package:flame/components.dart';
-import 'package:flame/effects.dart';
 import 'package:flame/extensions.dart';
 import 'package:flame/game.dart';
 import 'package:flame/geometry.dart';
-import 'package:flame/input.dart';
 import 'package:flame/palette.dart';
 
 class CollidableAnimationExample extends FlameGame with HasCollidables {

examples/lib/stories/collision_detection/multiple_shapes_example.dart

@@ -1,12 +1,10 @@
 import 'dart:math';
-import 'dart:ui';
 
 import 'package:flame/components.dart';
 import 'package:flame/extensions.dart';
 import 'package:flame/game.dart';
 import 'package:flame/geometry.dart';
 import 'package:flame/input.dart';
-import 'package:flame/palette.dart';
 import 'package:flutter/material.dart' hide Image, Draggable;
 
 enum Shapes { circle, rectangle, polygon }

examples/lib/stories/collision_detection/simple_shapes_example.dart

@@ -3,7 +3,6 @@ import 'dart:ui';
 
 import 'package:flame/components.dart';
 import 'package:flame/effects.dart';
-import 'package:flame/extensions.dart';
 import 'package:flame/game.dart';
 import 'package:flame/geometry.dart';
 import 'package:flame/input.dart';

examples/lib/stories/components/composability_example.dart

@@ -1,6 +1,5 @@
 import 'package:flame/components.dart';
 import 'package:flame/game.dart';
-import 'package:flame/input.dart';
 import 'package:flame/palette.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';

examples/lib/stories/components/debug_example.dart

@@ -1,5 +1,3 @@
-import 'dart:ui' hide TextStyle;
-
 import 'package:flame/components.dart';
 import 'package:flame/game.dart';
 import 'package:flutter/material.dart';

examples/lib/stories/effects/scale_effect_example.dart

@@ -1,6 +1,5 @@
 import 'package:flame/components.dart';
 import 'package:flame/effects.dart';
-import 'package:flame/extensions.dart';
 import 'package:flame/game.dart';
 import 'package:flame/input.dart';
 import 'package:flame/palette.dart';

examples/lib/stories/effects/size_effect_example.dart

@@ -2,7 +2,6 @@ import 'dart:ui';
 
 import 'package:flame/components.dart';
 import 'package:flame/effects.dart';
-import 'package:flame/extensions.dart';
 import 'package:flame/game.dart';
 import 'package:flame/input.dart';
 import 'package:flame/palette.dart';

examples/lib/stories/input/draggables_example.dart

@@ -1,5 +1,4 @@
 import 'package:flame/components.dart';
-import 'package:flame/extensions.dart';
 import 'package:flame/game.dart';
 import 'package:flame/input.dart';
 import 'package:flutter/material.dart' show Colors;

examples/lib/stories/input/joystick_advanced_example.dart

@@ -2,14 +2,11 @@ import 'dart:math';
 
 import 'package:flame/components.dart';
 import 'package:flame/effects.dart';
-import 'package:flame/extensions.dart';
 import 'package:flame/game.dart';
 import 'package:flame/input.dart';
 import 'package:flame/palette.dart';
 import 'package:flame/sprite.dart';
-import 'package:flutter/animation.dart';
 import 'package:flutter/material.dart';
-import 'package:flutter/painting.dart';
 
 import 'joystick_player.dart';
 

examples/lib/stories/input/joystick_example.dart

@@ -1,6 +1,5 @@
 import 'package:flame/components.dart';
 import 'package:flame/game.dart';
-import 'package:flame/input.dart';
 import 'package:flame/palette.dart';
 import 'package:flutter/painting.dart';
 

examples/lib/stories/input/joystick_player.dart

@@ -1,5 +1,4 @@
 import 'package:flame/components.dart';
-import 'package:flame/game.dart';
 
 class JoystickPlayer extends SpriteComponent with HasGameRef {
   /// Pixels/s

examples/lib/stories/input/keyboard_example.dart

@@ -1,5 +1,3 @@
-import 'dart:ui';
-
 import 'package:flame/game.dart';
 import 'package:flame/input.dart';
 import 'package:flame/palette.dart';

examples/lib/stories/input/multitap_advanced_example.dart

@@ -2,7 +2,6 @@ import 'package:flame/extensions.dart';
 import 'package:flame/game.dart';
 import 'package:flame/input.dart';
 import 'package:flame/palette.dart';
-import 'package:flutter/material.dart';
 
 /// Showcases how to mix two advanced detectors
 class MultitapAdvancedExample extends FlameGame

examples/lib/stories/input/multitap_example.dart

@@ -2,7 +2,6 @@ import 'package:flame/extensions.dart';
 import 'package:flame/game.dart';
 import 'package:flame/input.dart';
 import 'package:flame/palette.dart';
-import 'package:flutter/material.dart';
 
 /// Includes an example including advanced detectors
 class MultitapExample extends FlameGame with MultiTouchTapDetector {

examples/lib/stories/input/scroll_example.dart

@@ -2,7 +2,6 @@ import 'package:flame/extensions.dart';
 import 'package:flame/game.dart';
 import 'package:flame/input.dart';
 import 'package:flame/palette.dart';
-import 'package:flutter/material.dart';
 
 class ScrollExample extends FlameGame with ScrollDetector {
   static const String description = '''

examples/lib/stories/parallax/no_fcs_parallax_example.dart

@@ -1,8 +1,6 @@
-import 'package:flame/components.dart';
 import 'package:flame/extensions.dart';
 import 'package:flame/game.dart';
 import 'package:flame/parallax.dart';
-import 'package:flutter/material.dart';
 
 class NoFCSParallaxExample with Loadable, Game {
   static const String description = '''

examples/lib/stories/rendering/flip_sprite_example.dart

@@ -1,4 +1,3 @@
-import 'package:flame/components.dart';
 import 'package:flame/game.dart';
 
 import '../../commons/ember.dart';

examples/lib/stories/rendering/isometric_tile_map_example.dart

@@ -5,7 +5,6 @@ import 'package:flame/extensions.dart';
 import 'package:flame/game.dart';
 import 'package:flame/input.dart';
 import 'package:flame/sprite.dart';
-import 'package:flutter/material.dart' hide Image;
 
 class IsometricTileMapExample extends FlameGame with MouseMovementDetector {
   static const String description = '''

examples/lib/stories/rendering/particles_example.dart

@@ -1,6 +1,5 @@
 import 'dart:async';
 import 'dart:math';
-import 'dart:ui';
 
 import 'package:flame/components.dart' hide Timer;
 import 'package:flame/game.dart';

examples/lib/stories/rendering/text_example.dart

@@ -1,5 +1,3 @@
-import 'dart:ui';
-
 import 'package:flame/components.dart';
 import 'package:flame/game.dart';
 import 'package:flame/palette.dart';

examples/lib/stories/system/without_flamegame_example.dart

@@ -1,5 +1,3 @@
-import 'dart:ui';
-
 import 'package:flame/game.dart';
 import 'package:flame/input.dart';
 import 'package:flame/palette.dart';

examples/lib/stories/widgets/partial_sprite_widget_example.dart

@@ -2,7 +2,6 @@ import 'package:dashbook/dashbook.dart';
 import 'package:flame/extensions.dart';
 import 'package:flame/widgets.dart';
 import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
 
 final anchorOptions = Anchor.values.map((e) => e.name).toList();
 

examples/lib/stories/widgets/sprite_animation_widget_example.dart

@@ -1,6 +1,5 @@
 import 'package:dashbook/dashbook.dart';
 import 'package:flame/extensions.dart';
-import 'package:flame/sprite.dart';
 import 'package:flame/widgets.dart';
 import 'package:flutter/widgets.dart';
 

examples/lib/stories/widgets/sprite_widget_example.dart

@@ -3,7 +3,6 @@ import 'dart:math';
 import 'package:dashbook/dashbook.dart';
 import 'package:flame/widgets.dart';
 import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
 
 final anchorOptions = Anchor.values.map((e) => e.name).toList();
 

packages/flame/example/lib/main.dart

@@ -1,8 +1,6 @@
 import 'dart:math' as math;
-import 'dart:ui';
 
 import 'package:flame/components.dart';
-import 'package:flame/extensions.dart';
 import 'package:flame/game.dart';
 import 'package:flame/input.dart';
 import 'package:flame/palette.dart';

packages/flame/lib/src/assets/images.dart

@@ -72,11 +72,12 @@ class Images {
   /// Convert an array of pixel values into an [Image] object.
   ///
   /// The [pixels] parameter is the pixel data in the encoding described by
-  /// [PixelFormat.rgba8888], the encoding can't be changed to allow for web support.
+  /// [PixelFormat.rgba8888], the encoding can't be changed to allow for web
+  /// support.
   ///
   /// If you want the image to be decoded as it would be on the web you can set
-  /// [runAsWeb] to `true`. Keep in mind that it is slightly slower than the native
-  /// [ui.decodeImageFromPixels]. By default it is set to [kIsWeb].
+  /// [runAsWeb] to `true`. Keep in mind that it is slightly slower than the
+  /// native [ui.decodeImageFromPixels]. By default it is set to [kIsWeb].
   Future<Image> decodeImageFromPixels(
     Uint8List pixels,
     int width,

packages/flame/lib/src/components/component.dart

@@ -1,15 +1,10 @@
-import 'dart:ui';
-
 import 'package:flutter/painting.dart';
 import 'package:meta/meta.dart';
 
 import '../../components.dart';
 import '../../game.dart';
 import '../../input.dart';
-import '../extensions/vector2.dart';
-import '../game/mixins/loadable.dart';
 import 'cache/value_cache.dart';
-import 'positioning_type.dart';
 
 /// This represents a Component for your game.
 ///
@@ -285,9 +280,7 @@ class Component with Loadable {
   ) {
     var shouldContinue = true;
     for (final child in children.reversed()) {
-      if (child is Component) {
       shouldContinue = child.propagateToChildren(handler);
-      }
       if (shouldContinue && child is T) {
         shouldContinue = handler(child);
       } else if (shouldContinue && child is FlameGame) {
@@ -336,9 +329,7 @@ class Component with Loadable {
         'Did you try to access it on the Game constructor? '
         'Use the "onLoad" or "onMount" method instead.',
       );
-      if (parentGame is FlameGame) {
       parentGame.prepareComponent(this);
-      }
 
       debugMode |= parent.debugMode;
       isPrepared = true;

packages/flame/lib/src/components/custom_painter_component.dart

@@ -1,8 +1,6 @@
 import 'package:flutter/widgets.dart';
 
 import '../../components.dart';
-import '../extensions/vector2.dart';
-import 'position_component.dart';
 
 /// A [PositionComponent] that renders a [CustomPainter] at the designated
 /// position, scaled to have the designated size and rotated to the specified

packages/flame/lib/src/components/input/button_component.dart

@@ -1,9 +1,7 @@
 import 'package:meta/meta.dart';
 
 import '../../../components.dart';
-import '../../../extensions.dart';
 import '../../../input.dart';
-import '../../gestures/events.dart';
 
 /// The [ButtonComponent] bundles two [PositionComponent]s, one that shows while
 /// the button is being pressed, and one that shows otherwise.

packages/flame/lib/src/components/input/hud_button_component.dart

@@ -2,9 +2,7 @@ import 'package:flutter/rendering.dart' show EdgeInsets;
 import 'package:meta/meta.dart';
 
 import '../../../components.dart';
-import '../../../extensions.dart';
 import '../../../input.dart';
-import '../../gestures/events.dart';
 
 /// The [HudButtonComponent] bundles two [PositionComponent]s, one that shows
 /// when the button is being pressed, and one that shows otherwise.

packages/flame/lib/src/components/input/hud_margin_component.dart

@@ -2,9 +2,7 @@ import 'package:flutter/widgets.dart' show EdgeInsets;
 import 'package:meta/meta.dart';
 
 import '../../../components.dart';
-import '../../../extensions.dart';
 import '../../../game.dart';
-import '../positioning_type.dart';
 
 /// The [HudMarginComponent] positions itself by a margin to the edge of the
 /// screen instead of by an absolute position on the screen or on the game, so

packages/flame/lib/src/components/input/joystick_component.dart

@@ -4,7 +4,6 @@ import 'package:flutter/rendering.dart' show EdgeInsets;
 import 'package:meta/meta.dart';
 
 import '../../../components.dart';
-import '../../../extensions.dart';
 import '../../gestures/events.dart';
 import 'hud_margin_component.dart';
 

packages/flame/lib/src/components/input/sprite_button_component.dart

@@ -1,6 +1,4 @@
 import '../../../components.dart';
-import '../../../extensions.dart';
-import '../../../input.dart';
 
 enum _ButtonState {
   up,

packages/flame/lib/src/components/isometric_tile_map_component.dart

@@ -3,9 +3,7 @@ import 'dart:ui';
 import 'package:meta/meta.dart';
 
 import '../../components.dart';
-import '../extensions/vector2.dart';
 import '../spritesheet.dart';
-import 'position_component.dart';
 
 /// This is just a pair of <int, int>.
 ///

packages/flame/lib/src/components/mixins/collidable.dart

@@ -2,10 +2,7 @@ import 'package:meta/meta.dart';
 
 import '../../../components.dart';
 import '../../../game.dart';
-import '../../components/position_component.dart';
-import '../../extensions/vector2.dart';
 import '../../geometry/rectangle.dart';
-import 'hitbox.dart';
 
 /// [CollidableType.active] collides with other [Collidable]s of type active or static
 /// [CollidableType.passive] collides with other [Collidable]s of type active

packages/flame/lib/src/components/nine_tile_box_component.dart

@@ -3,9 +3,6 @@ import 'dart:ui';
 import 'package:meta/meta.dart';
 
 import '../../components.dart';
-import '../extensions/vector2.dart';
-import '../nine_tile_box.dart';
-import 'position_component.dart';
 
 export '../nine_tile_box.dart';
 

packages/flame/lib/src/components/parallax_component.dart

@@ -1,5 +1,4 @@
 import 'dart:async';
-import 'dart:ui';
 
 import 'package:flutter/painting.dart';
 import 'package:meta/meta.dart';
@@ -7,9 +6,7 @@ import 'package:meta/meta.dart';
 import '../../components.dart';
 import '../../game.dart';
 import '../assets/images.dart';
-import '../extensions/vector2.dart';
 import '../parallax.dart';
-import 'position_component.dart';
 
 extension ParallaxComponentExtension on FlameGame {
   Future<ParallaxComponent> loadParallaxComponent(

packages/flame/lib/src/components/position_component.dart

@@ -3,7 +3,6 @@ import 'dart:ui' hide Offset;
 
 import '../anchor.dart';
 import '../extensions/offset.dart';
-import '../extensions/rect.dart';
 import '../extensions/vector2.dart';
 import '../game/notifying_vector2.dart';
 import '../game/transform2d.dart';

packages/flame/lib/src/components/shape_component.dart

@@ -5,8 +5,6 @@ import 'package:flutter/material.dart';
 import '../../components.dart';
 import '../../geometry.dart';
 import '../../palette.dart';
-import '../anchor.dart';
-import '../extensions/vector2.dart';
 
 /// A [ShapeComponent] is a [Shape] wrapped in a [PositionComponent] so that it
 /// can be added to a component tree and take the camera and viewport into

packages/flame/lib/src/components/sprite_animation_component.dart

@@ -3,10 +3,6 @@ import 'dart:ui';
 import 'package:meta/meta.dart';
 
 import '../../components.dart';
-import '../extensions/vector2.dart';
-import '../sprite_animation.dart';
-import 'mixins/has_paint.dart';
-import 'position_component.dart';
 
 export '../sprite_animation.dart';
 

packages/flame/lib/src/components/sprite_animation_group_component.dart

@@ -3,10 +3,6 @@ import 'dart:ui';
 import 'package:meta/meta.dart';
 
 import '../../components.dart';
-import '../extensions/vector2.dart';
-import '../sprite_animation.dart';
-import 'mixins/has_paint.dart';
-import 'position_component.dart';
 
 export '../sprite_animation.dart';
 

packages/flame/lib/src/components/sprite_component.dart

@@ -4,11 +4,6 @@ import 'package:meta/meta.dart';
 
 import '../../components.dart';
 import '../extensions/image.dart';
-import '../extensions/vector2.dart';
-import '../sprite.dart';
-import 'component.dart';
-import 'mixins/has_paint.dart';
-import 'position_component.dart';
 
 export '../sprite.dart';
 

packages/flame/lib/src/components/sprite_group_component.dart

@@ -3,10 +3,6 @@ import 'dart:ui';
 import 'package:meta/meta.dart';
 
 import '../../components.dart';
-import '../extensions/vector2.dart';
-import '../sprite_animation.dart';
-import 'mixins/has_paint.dart';
-import 'position_component.dart';
 
 export '../sprite_animation.dart';
 

packages/flame/lib/src/components/text_box_component.dart

@@ -6,10 +6,7 @@ import 'package:flutter/widgets.dart' hide Image;
 import 'package:meta/meta.dart';
 
 import '../../components.dart';
-import '../extensions/vector2.dart';
 import '../palette.dart';
-import '../text.dart';
-import 'position_component.dart';
 
 /// A set of configurations for the [TextBoxComponent] itself, as opposed to
 /// the [TextRenderer], which contains the configuration for how to render the

packages/flame/lib/src/components/text_component.dart

@@ -4,9 +4,6 @@ import 'package:flutter/painting.dart';
 import 'package:meta/meta.dart';
 
 import '../../components.dart';
-import '../extensions/vector2.dart';
-import '../text.dart';
-import 'position_component.dart';
 
 class TextComponent<T extends TextRenderer> extends PositionComponent {
   String _text;

packages/flame/lib/src/effects/size_effect.dart

@@ -1,5 +1,4 @@
 import '../../components.dart';
-import '../../extensions.dart';
 import 'component_effect.dart';
 import 'controllers/effect_controller.dart';
 

packages/flame/lib/src/game/camera/camera.dart

@@ -1,10 +1,8 @@
 import 'dart:math' as math;
-import 'dart:ui' show Rect, Canvas;
 
 import '../../../components.dart';
 import '../../../extensions.dart';
 import '../../../game.dart';
-import '../projector.dart';
 
 /// A camera translates your game coordinate system; this is useful when your
 /// world is not 1:1 with your screen size.

packages/flame/lib/src/game/camera/viewport.dart

@@ -1,11 +1,7 @@
 import 'dart:math' as math;
-import 'dart:ui';
-
-import 'package:flutter/painting.dart';
 
 import '../../../extensions.dart';
 import '../../../game.dart';
-import '../projector.dart';
 
 /// A viewport is a class that potentially translates and resizes the screen.
 /// The reason you might want to have a viewport is to make sure you handle any

packages/flame/lib/src/game/game_render_box.dart

@@ -1,8 +1,4 @@
-import 'dart:ui';
-
-import 'package:flutter/gestures.dart';
 import 'package:flutter/rendering.dart';
-import 'package:flutter/scheduler.dart';
 import 'package:flutter/widgets.dart' hide WidgetBuilder;
 
 import '../extensions/size.dart';

packages/flame/lib/src/game/game_widget/game_widget.dart

@@ -1,4 +1,3 @@
-import 'package:flutter/rendering.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter/widgets.dart';
 

packages/flame/lib/src/game/game_widget/gestures.dart

@@ -3,8 +3,6 @@ import 'package:flutter/widgets.dart';
 
 import '../../../components.dart';
 import '../../../extensions.dart';
-import '../../components/mixins/draggable.dart';
-import '../../extensions/offset.dart';
 import '../../gestures/detectors.dart';
 import '../../gestures/events.dart';
 import '../mixins/game.dart';

packages/flame/lib/src/game/mixins/game.dart

@@ -3,16 +3,12 @@ import 'dart:ui';
 
 import 'package:flutter/material.dart';
 import 'package:flutter/rendering.dart';
-import 'package:flutter/scheduler.dart';
 import 'package:flutter/widgets.dart';
 
 import '../../../components.dart';
 import '../../assets/assets_cache.dart';
 import '../../assets/images.dart';
 import '../../extensions/offset.dart';
-import '../../extensions/vector2.dart';
-import '../../sprite.dart';
-import '../../sprite_animation.dart';
 import '../game_render_box.dart';
 import '../projector.dart';
 import 'loadable.dart';

packages/flame/lib/src/game/mixins/has_collidables.dart

@@ -1,6 +1,5 @@
 import '../../../components.dart';
 import '../../../game.dart';
-import '../../components/mixins/collidable.dart';
 import '../../geometry/collision_detection.dart';
 
 /// Keeps track of all the [Collidable]s in the component tree and initiates

packages/flame/lib/src/game/mixins/keyboard.dart

@@ -3,7 +3,6 @@ import 'package:flutter/services.dart';
 
 import '../../../components.dart';
 import '../../../game.dart';
-import 'game.dart';
 
 /// A [Component] mixin to add keyboard handling capability to components.
 /// Must be used in components that can only be added to games that are mixed

packages/flame/lib/src/geometry/circle.dart

@@ -4,7 +4,6 @@ import 'dart:ui';
 import '../../game.dart';
 import '../../geometry.dart';
 import '../extensions/vector2.dart';
-import 'shape.dart';
 
 class Circle extends Shape {
   /// The [normalizedRadius] is what ratio (0.0, 1.0] of the shortest edge of

packages/flame/lib/src/geometry/polygon.dart

@@ -7,7 +7,6 @@ import '../extensions/canvas.dart';
 import '../extensions/offset.dart';
 import '../extensions/rect.dart';
 import '../extensions/vector2.dart';
-import 'shape.dart';
 
 class Polygon extends Shape {
   final List<Vector2> normalizedVertices;

packages/flame/lib/src/geometry/rectangle.dart

@@ -1,9 +1,5 @@
-import 'dart:ui';
-
 import '../../extensions.dart';
-import '../../game.dart';
 import '../../geometry.dart';
-import 'shape.dart';
 
 class Rectangle extends Polygon {
   static final _defaultNormalizedVertices = [

packages/flame/lib/src/geometry/shape.dart

@@ -1,9 +1,7 @@
 import 'dart:ui';
 
 import '../../components.dart';
-import '../../game.dart';
 import '../components/cache/value_cache.dart';
-import '../extensions/vector2.dart';
 import 'shape_intersections.dart' as intersection_system;
 
 /// A shape can represent any geometrical shape with optionally a size, position

packages/flame/lib/src/geometry/shape_intersections.dart

@@ -1,13 +1,7 @@
 import 'dart:math';
-import 'dart:ui';
-
-import 'package:flutter/material.dart';
 
 import '../../extensions.dart';
 import '../../geometry.dart';
-import 'circle.dart';
-import 'polygon.dart';
-import 'shape.dart';
 
 abstract class Intersections<T1 extends Shape, T2 extends Shape> {
   Set<Vector2> intersect(T1 shapeA, T2 shapeB);

packages/flame/lib/src/parallax.dart

@@ -8,8 +8,6 @@ import '../game.dart';
 import 'assets/images.dart';
 import 'extensions/canvas.dart';
 import 'extensions/image.dart';
-import 'extensions/rect.dart';
-import 'extensions/vector2.dart';
 import 'flame.dart';
 import 'sprite_animation.dart';
 

packages/flame/lib/src/particles/accelerated_particle.dart

@@ -1,5 +1,3 @@
-import 'dart:ui';
-
 import '../../extensions.dart';
 import '../components/mixins/single_child_particle.dart';
 import 'curved_particle.dart';

packages/flame/lib/src/particles/moving_particle.dart

@@ -1,5 +1,3 @@
-import 'dart:ui';
-
 import 'package:flutter/animation.dart';
 
 import '../../extensions.dart';

packages/flame/lib/src/particles/particle.dart

@@ -1,5 +1,4 @@
 import 'dart:math';
-import 'dart:ui';
 
 import 'package:flutter/animation.dart';
 

packages/flame/lib/src/particles/translated_particle.dart

@@ -1,5 +1,3 @@
-import 'dart:ui';
-
 import '../../extensions.dart';
 import '../components/mixins/single_child_particle.dart';
 import 'particle.dart';

packages/flame/lib/src/sprite.dart

@@ -3,8 +3,6 @@ import 'dart:ui';
 import '../image_composition.dart';
 import 'anchor.dart';
 import 'assets/images.dart';
-import 'extensions/offset.dart';
-import 'extensions/vector2.dart';
 import 'flame.dart';
 import 'palette.dart';
 

packages/flame/lib/src/sprite_batch.dart

@@ -4,7 +4,6 @@ import 'dart:ui';
 import '../game.dart';
 import 'assets/images.dart';
 import 'extensions/image.dart';
-import 'extensions/vector2.dart';
 import 'flame.dart';
 
 extension SpriteBatchExtension on Game {

packages/flame/lib/src/spritesheet.dart

@@ -1,7 +1,6 @@
 import 'dart:ui';
 
 import 'extensions/vector2.dart';
-import 'sprite.dart';
 import 'sprite_animation.dart';
 
 /// Utility class to help extract animations and sprites from a sprite sheet image.

packages/flame/lib/src/text.dart

@@ -1,5 +1,3 @@
-import 'dart:ui' hide TextStyle, TextDirection;
-
 import 'package:flutter/material.dart';
 
 import 'anchor.dart';

packages/flame/lib/src/widgets/sprite_widget.dart

@@ -3,7 +3,6 @@ import 'package:flutter/widgets.dart';
 import '../../assets.dart';
 import '../../extensions.dart';
 import '../anchor.dart';
-import '../sprite.dart';
 import 'animation_widget.dart';
 import 'base_future_builder.dart';
 import 'sprite_painter.dart';

packages/flame/test/components/collidable_type_test.dart

@@ -1,10 +1,8 @@
 import 'package:flame/components.dart';
-import 'package:flame/extensions.dart';
 import 'package:flame/game.dart';
 import 'package:flame/geometry.dart';
 import 'package:flame_test/flame_test.dart';
 import 'package:test/test.dart';
-import 'package:vector_math/vector_math_64.dart';
 
 class _HasCollidablesGame extends FlameGame with HasCollidables {}
 

packages/flame/test/components/collision_callback_test.dart

@@ -1,5 +1,4 @@
 import 'package:flame/components.dart';
-import 'package:flame/extensions.dart';
 import 'package:flame/game.dart';
 import 'package:flame/geometry.dart';
 import 'package:flame_test/flame_test.dart';

packages/flame/test/components/collision_detection_test.dart

@@ -1,9 +1,6 @@
 import 'package:flame/extensions.dart';
 import 'package:flame/geometry.dart';
 import 'package:flame/geometry.dart' as geometry;
-import 'package:flame/src/geometry/circle.dart';
-import 'package:flame/src/geometry/line.dart';
-import 'package:flame/src/geometry/line_segment.dart';
 import 'package:test/test.dart';
 
 void main() {

packages/flame/test/components/component_lifecycle_test.dart

@@ -1,5 +1,4 @@
 import 'package:flame/components.dart';
-import 'package:flame/game.dart';
 import 'package:flame_test/flame_test.dart';
 import 'package:flutter_test/flutter_test.dart';
 

packages/flame/test/components/hoverable_test.dart

@@ -2,7 +2,6 @@ import 'dart:ui';
 
 import 'package:flame/components.dart';
 import 'package:flame/game.dart';
-import 'package:flame/src/components/mixins/hoverable.dart';
 import 'package:flame/src/gestures/events.dart';
 import 'package:flame_test/flame_test.dart';
 import 'package:flutter/gestures.dart' show PointerHoverEvent;

packages/flame/test/components/hud_margin_component_test.dart

@@ -1,4 +1,3 @@
-import 'package:flame/game.dart';
 import 'package:flame/input.dart';
 import 'package:flame_test/flame_test.dart';
 import 'package:flutter/widgets.dart';

packages/flame/test/components/isometric_tile_map_component_test.dart

@@ -1,5 +1,4 @@
 import 'package:flame/components.dart';
-import 'package:flame/extensions.dart';
 import 'package:flame/sprite.dart';
 import 'package:flame_test/flame_test.dart';
 import 'package:mocktail/mocktail.dart';

packages/flame/test/components/shape_component_test.dart

@@ -1,7 +1,6 @@
 import 'dart:math';
 
 import 'package:flame/components.dart';
-import 'package:flame/extensions.dart';
 import 'package:flame_test/flame_test.dart';
 import 'package:test/test.dart';
 

packages/flame/test/game/component_rendering_test.dart

@@ -2,10 +2,8 @@ import 'dart:ui';
 
 import 'package:canvas_test/canvas_test.dart';
 import 'package:flame/components.dart';
-import 'package:flame/game.dart';
 import 'package:flame/palette.dart';
 import 'package:flame_test/flame_test.dart';
-import 'package:flutter/rendering.dart';
 import 'package:flutter/widgets.dart';
 import 'package:flutter_test/flutter_test.dart';
 

packages/flame/test/game/flame_game_test.dart

@@ -1,10 +1,7 @@
-import 'dart:ui';
-
 import 'package:flame/components.dart';
 import 'package:flame/game.dart';
 import 'package:flame/src/game/game_render_box.dart';
 import 'package:flame_test/flame_test.dart';
-import 'package:flutter/gestures.dart';
 import 'package:flutter/rendering.dart';
 import 'package:flutter/widgets.dart';
 import 'package:flutter_test/flutter_test.dart' as flutter;

packages/flame/test/game/game_widget/game_widget_keyboard_test.dart

@@ -3,7 +3,6 @@ import 'package:flame/game.dart';
 import 'package:flame/input.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
-import 'package:flutter/widgets.dart';
 import 'package:flutter_test/flutter_test.dart';
 
 class _KeyboardEventsGame extends FlameGame with KeyboardEvents {

packages/flame/test/game/notifying_vector2_test.dart

@@ -9,7 +9,6 @@ void main() {
   /// notification during a modifying operation.
   void check(NotifyingVector2 v1, void Function(Vector2) operation) {
     final v2 = v1.clone();
-    expect(v2 is Vector2, true);
     expect(v2 is NotifyingVector2, false);
     var notified = 0;
     void listener() {

packages/flame/test/game/projections_test.dart

@@ -1,5 +1,4 @@
 import 'package:flame/components.dart';
-import 'package:flame/extensions.dart';
 import 'package:flame/game.dart';
 import 'package:flame_test/flame_test.dart';
 import 'package:test/test.dart';

packages/flame/test/image_composition_test.dart

@@ -1,6 +1,3 @@
-import 'dart:ui';
-
-import 'package:flame/extensions.dart';
 import 'package:flame/image_composition.dart';
 import 'package:mocktail/mocktail.dart';
 import 'package:test/test.dart';

packages/flame/test/text_test.dart

@@ -1,5 +1,3 @@
-import 'dart:ui' hide TextStyle;
-
 import 'package:flame/components.dart';
 import 'package:flutter/material.dart';
 import 'package:test/test.dart';

packages/flame_bloc/example/lib/src/game/components/player.dart

@@ -1,7 +1,6 @@
 import 'package:flame/components.dart';
 import 'package:flame/geometry.dart';
 import 'package:flame/input.dart';
-import 'package:flame/timer.dart';
 import 'package:flame_bloc/flame_bloc.dart';
 import 'package:flutter/services.dart';
 

packages/flame_bloc/lib/src/flame_bloc_game.dart

@@ -1,6 +1,5 @@
 import 'dart:async';
 
-import 'package:bloc/bloc.dart';
 import 'package:flame/components.dart';
 import 'package:flame/game.dart';
 import 'package:flutter/material.dart';

packages/flame_bloc/test/flame_bloc_game_test.dart

@@ -1,4 +1,3 @@
-import 'package:bloc/bloc.dart';
 import 'package:flame/components.dart';
 import 'package:flame_bloc/flame_bloc.dart';
 import 'package:flame_test/flame_test.dart';

packages/flame_fire_atlas/example/lib/main.dart

@@ -1,5 +1,4 @@
 import 'package:flame/components.dart';
-import 'package:flame/extensions.dart';
 import 'package:flame/game.dart';
 import 'package:flame/input.dart';
 import 'package:flame_fire_atlas/flame_fire_atlas.dart';

packages/flame_fire_atlas/lib/flame_fire_atlas.dart

@@ -1,7 +1,6 @@
 library flame_fire_atlas;
 
 import 'dart:convert';
-import 'dart:ui';
 
 import 'package:archive/archive.dart';
 import 'package:flame/assets.dart';

packages/flame_flare/example/lib/main.dart

@@ -1,5 +1,3 @@
-import 'dart:ui';
-
 import 'package:flame/components.dart';
 import 'package:flame/game.dart';
 import 'package:flame/input.dart';

packages/flame_forge2d/example/lib/blob_sample.dart

@@ -1,7 +1,5 @@
 import 'dart:math' as math;
 
-import 'package:flame/extensions.dart';
-import 'package:flame/game.dart';
 import 'package:flame/input.dart';
 import 'package:flame_forge2d/body_component.dart';
 import 'package:flame_forge2d/forge2d_game.dart';

packages/flame_forge2d/example/lib/boundaries.dart

@@ -1,4 +1,3 @@
-import 'package:flame/game.dart';
 import 'package:flame_forge2d/body_component.dart';
 import 'package:flame_forge2d/flame_forge2d.dart';
 import 'package:flame_forge2d/forge2d_game.dart';

packages/flame_forge2d/example/lib/composition_sample.dart

@@ -1,9 +1,7 @@
 import 'package:flame/components.dart';
 import 'package:flame/palette.dart';
-import 'package:flame_forge2d/flame_forge2d.dart';
 import 'package:flame_forge2d/forge2d_game.dart';
 import 'package:flutter/material.dart';
-import 'package:forge2d/forge2d.dart';
 
 import 'balls.dart';
 import 'boundaries.dart';

packages/flame_forge2d/example/lib/contact_callbacks_sample.dart

@@ -2,7 +2,6 @@ import 'dart:math' as math;
 
 import 'package:flame/input.dart';
 import 'package:flame_forge2d/forge2d_game.dart';
-import 'package:forge2d/forge2d.dart';
 
 import 'balls.dart';
 import 'boundaries.dart';

packages/flame_forge2d/example/lib/domino_sample.dart

@@ -1,6 +1,5 @@
 import 'dart:ui';
 
-import 'package:flame/components.dart';
 import 'package:flame/input.dart';
 import 'package:flame_forge2d/body_component.dart';
 import 'package:flame_forge2d/forge2d_game.dart';

packages/flame_forge2d/example/lib/draggable_sample.dart

@@ -1,10 +1,7 @@
 import 'package:flame/components.dart';
-import 'package:flame/extensions.dart';
 import 'package:flame/input.dart';
-import 'package:flame_forge2d/flame_forge2d.dart';
 import 'package:flame_forge2d/forge2d_game.dart';
 import 'package:flutter/material.dart' hide Draggable;
-import 'package:forge2d/forge2d.dart';
 
 import 'balls.dart';
 import 'boundaries.dart';

packages/flame_forge2d/example/lib/joint_sample.dart

@@ -1,7 +1,5 @@
 import 'dart:math';
 
-import 'package:flame/extensions.dart';
-import 'package:flame/game.dart';
 import 'package:flame/input.dart';
 import 'package:flame_forge2d/body_component.dart';
 import 'package:flame_forge2d/flame_forge2d.dart';