Fix build

Author: lucasnlm

lib/features/about/screen/about_screen.dart

@@ -107,7 +107,7 @@ class AboutScreen extends StatelessWidget {
     }
   }
 
-  static final _titleAlphaColor = (255.0 * 0.5) as int;
+  static final _titleAlphaColor = (255.0 * 0.5).toInt();
   static const _githubUrl = 'https://github.com/lucasnlm/antimine-android/';
   static const _videoUrl =
       'https://open.spotify.com/artist/5Z1PXKko20wSH0yFr9HtNr';

lib/features/controls/widgets/control_divider.dart

@@ -17,5 +17,5 @@ class ControlDivider extends StatelessWidget {
     );
   }
 
-  static final _controlDividerAlpha = (255.0 * 0.25) as int;
+  static final _controlDividerAlpha = (255.0 * 0.25).toInt();
 }

lib/features/dialogs/game_over_dialog.dart

@@ -120,5 +120,5 @@ class GameOverDialog extends StatelessWidget {
     );
   }
 
-  static final _titleAlphaColor = (255.0 * 0.7) as int;
+  static final _titleAlphaColor = (255.0 * 0.7).toInt();
 }

lib/features/dialogs/victory_dialog.dart

@@ -182,7 +182,7 @@ class _VictoryDialogState extends State<VictoryDialog> {
 
   double _degToRad(double deg) => deg * (pi / 180.0);
 
-  static final _titleAlphaColor = (255.0 * 0.7) as int;
+  static final _titleAlphaColor = (255.0 * 0.7).toInt();
   static const _numberOfParticles = 5;
   static const _gravity = 0.1;
   static const _emissionFrequency = 0.05;

lib/features/game/flame/components/hover_component.dart

@@ -68,14 +68,14 @@ class HoverComponent extends ShapeComponent
       _expansion = max(_expansion - _expansionSpeed * dt, 0.0);
       final color = theme.cover
           .darken(0.1)
-          .withAlpha((_opacity * 255.0) as int);
+          .withAlpha((_opacity * _maxAlpha).toInt());
       paint.colorFilter = ColorFilter.mode(color, BlendMode.srcIn);
     } else {
       _opacity = min(_opacity + _expansionSpeed * dt, _maxOpacity);
       _expansion = min(_expansion + _expansionSpeed * dt, _maxExpansion);
       final color = theme.cover
           .darken(0.1)
-          .withAlpha((_opacity * 255.0) as int);
+          .withAlpha((_opacity * _maxAlpha).toInt());
       paint.colorFilter = ColorFilter.mode(color, BlendMode.srcIn);
     }
   }
@@ -104,6 +104,7 @@ class HoverComponent extends ShapeComponent
     );
   }
 
+  static const _maxAlpha = 255.0;
   static const _spriteSizeExpanded = ComponentConstants.spriteSize * 0.05;
   static const _maxExpansion = 0.5;
   static const _maxOpacity = 0.5;

lib/features/game/logic/game_constants.dart

@@ -16,7 +16,7 @@ class GameConstants {
   static const confettiDuration = Duration(seconds: 3);
   static const hintReward = 5;
   static const initialHintCount = 5;
-  static final revealedOpacity = (0.6 * 255.0) as int;
+  static final revealedOpacity = (0.6 * 255.0).toInt();
   static const dimOpacity = 127;
 
   static const safeAreaEnabled = true;

lib/features/game/screen/game_params.dart

@@ -73,7 +73,7 @@ class GameParams extends Equatable {
         restart: object[_restartKey] ?? false,
         difficulty:
             object[_difficultyKey] != null
-                ? Difficulty.values[object[_difficultyKey] as int]
+                ? Difficulty.values[object[_difficultyKey].toInt()]
                 : null,
         seed: object[_seedKey],
         saveId: object[_saveIdKey],

lib/features/game/widgets/action_button.dart

@@ -62,5 +62,5 @@ class ActionButton extends StatelessWidget {
     );
   }
 
-  static final _buttonAlphaSurface = (0.7 * 255.0) as int;
+  static final _buttonAlphaSurface = (0.7 * 255.0).toInt();
 }

lib/features/game/widgets/action_card.dart

@@ -42,6 +42,6 @@ class ActionCard extends StatelessWidget {
     );
   }
 
-  static final _actionBorderAlpha = (255.0 * 0.1) as int;
-  static final _actionSurfaceAlpha = (255.0 * 0.5) as int;
+  static final _actionBorderAlpha = (255.0 * 0.1).toInt();
+  static final _actionSurfaceAlpha = (255.0 * 0.5).toInt();
 }

lib/features/game/widgets/highlight_container.dart

@@ -41,5 +41,5 @@ class HighlightContainer extends StatelessWidget {
     );
   }
 
-  static final _actionBorderAlpha = (255.0 * 0.1) as int;
+  static final _actionBorderAlpha = (255.0 * 0.1).toInt();
 }