Merge branch '12-use-flutter-linter-and-apply-lints' into 'master'

Resolve "Use flutter linter and apply lints" Closes #12 See merge request !9

Merge branch '12-use-flutter-linter-and-apply-lints' into 'master'
2aab256f · Benoît Harrault · d76ed777 · 2e0137da · 2aab256f · 2aab256f
Commit 2aab256f authored Feb 22, 2024 by Benoît Harrault
--- a/analysis_options.yaml
+++ b/analysis_options.yaml
+include: package:flutter_lints/flutter.yaml
--- a/android/app/build.gradle
+++ b/android/app/build.gradle
@@ -44,7 +44,7 @@ android {

    defaultConfig {
        applicationId "org.benoitharrault.tetrisdual"
-        minSdkVersion 16
+        minSdkVersion flutter.minSdkVersion
        targetSdkVersion 30
        versionCode appVersionCode.toInteger()
        versionName appVersionName


--- a/android/gradle.properties
+++ b/android/gradle.properties
 org.gradle.jvmargs=-Xmx1536M
 android.useAndroidX=true
 android.enableJetifier=true
-app.versionName=0.0.8
-app.versionCode=8
+app.versionName=0.0.9
+app.versionCode=9
--- a/fastlane/metadata/android/en-US/changelogs/9.txt
+++ b/fastlane/metadata/android/en-US/changelogs/9.txt
+Add automatic flutter linter. Apply code lints. Update dependencies.
--- a/fastlane/metadata/android/fr-FR/changelogs/9.txt
+++ b/fastlane/metadata/android/fr-FR/changelogs/9.txt
+Ajout d'un correcteur automatique de code. Application des correction. Mise à jour des dépendances.
--- a/lib/entity/counter.dart
+++ b/lib/entity/counter.dart
 import 'dart:math';

 import 'package:flutter/material.dart';
+
 import 'package:tetrisdual/provider/data.dart';

 class Counter {
@@ -10,56 +11,79 @@ class Counter {
  int _holes = 0; // Count non fillable holes caused by this new tetrimino

  // Points definitions
-  int _base = 50;
-  int _pointsIfMatch = 50;
-  int _pointsPerLine = 60;
-  int _pointsPerHole = -10;
+  static const int _base = 50;
+  static const int _pointsIfMatch = 50;
+  static const int _pointsPerLine = 60;
+  static const int _pointsPerHole = -10;

-  Color categoryIconColor = Colors.green;
-  Color buttonIconColor = Colors.blue;
-  double iconSize = 30.0;
+  static const double iconSize = 30.0;
+  static const double fontSize = 50.0;
+  static const double spacerHeight = 7;

-  TableRow spacer() {
-    double height = 7;
-    return TableRow(children: [
-      SizedBox(height: height),
-      SizedBox(height: height),
-      SizedBox(height: height),
-      SizedBox(height: height)
-    ]);
-  }
+  // Counter categories icons
+  static const Color categoryIconColor = Colors.green;
+  static const Icon iconTouchingColor = Icon(
+    Icons.join_full,
+    color: categoryIconColor,
+    size: iconSize,
+  );
+  static const Icon iconRowsCount = Icon(
+    Icons.table_rows,
+    color: categoryIconColor,
+    size: iconSize,
+  );
+  static const Icon iconHolesCount = Icon(
+    Icons.check_box_outline_blank,
+    color: categoryIconColor,
+    size: iconSize,
+  );
+
+  // Action buttons icons
+  static const Color buttonIconColor = Colors.blue;
+  static const Icon iconRemove = Icon(
+    Icons.remove,
+    color: buttonIconColor,
+    size: iconSize,
+  );
+  static const Icon iconAdd = Icon(
+    Icons.add,
+    color: buttonIconColor,
+    size: iconSize,
+  );

  Widget buildCounterWidget(Data myProvider) {
-    return Container(
-      child: Table(
+    return Table(
      children: [
        buildMatchWidget(myProvider),
-          spacer(),
+        buildSpacerRow(),
        buildLinesWidget(myProvider),
-          spacer(),
+        buildSpacerRow(),
        buildHolesWidget(myProvider),
-          spacer(),
+        buildSpacerRow(),
      ],
-      ),
    );
  }

+  TableRow buildSpacerRow() {
+    return const TableRow(children: [
+      SizedBox(height: spacerHeight),
+      SizedBox(height: spacerHeight),
+      SizedBox(height: spacerHeight),
+      SizedBox(height: spacerHeight)
+    ]);
+  }
+
  TableRow buildMatchWidget(Data myProvider) {
    return TableRow(
      children: [
-        Icon(
-          Icons.join_full,
-          color: categoryIconColor,
-          size: iconSize,
-        ),
+        iconTouchingColor,
        IconButton(
          padding: EdgeInsets.zero,
-          constraints: BoxConstraints(),
-          icon: Icon(
-            Icons.remove,
-            color: buttonIconColor,
-            size: iconSize,
+          constraints: const BoxConstraints(),
+          style: const ButtonStyle(
+            tapTargetSize: MaterialTapTargetSize.shrinkWrap,
          ),
+          icon: iconRemove,
          onPressed: () {
            _match = false;
            myProvider.redraw();
@@ -74,12 +98,11 @@ class Counter {
        ),
        IconButton(
          padding: EdgeInsets.zero,
-          constraints: BoxConstraints(),
-          icon: Icon(
-            Icons.add,
-            color: buttonIconColor,
-            size: iconSize,
+          constraints: const BoxConstraints(),
+          style: const ButtonStyle(
+            tapTargetSize: MaterialTapTargetSize.shrinkWrap,
          ),
+          icon: iconAdd,
          onPressed: () {
            _match = true;
            myProvider.redraw();
@@ -92,19 +115,14 @@ class Counter {
  TableRow buildLinesWidget(Data myProvider) {
    return TableRow(
      children: [
-        Icon(
-          Icons.table_rows,
-          color: categoryIconColor,
-          size: iconSize,
-        ),
+        iconRowsCount,
        IconButton(
          padding: EdgeInsets.zero,
-          constraints: BoxConstraints(),
-          icon: Icon(
-            Icons.remove,
-            color: buttonIconColor,
-            size: iconSize,
+          constraints: const BoxConstraints(),
+          style: const ButtonStyle(
+            tapTargetSize: MaterialTapTargetSize.shrinkWrap,
          ),
+          icon: iconRemove,
          onPressed: () {
            _lines = max(_lines - 1, 0);
            myProvider.redraw();
@@ -113,20 +131,23 @@ class Counter {
        Center(
          child: Text(
            _lines.toString(),
-            style: TextStyle(
+            style: const TextStyle(
              fontFamily: 'Blocks',
-              fontSize: 50,
+              fontSize: fontSize,
+            ),
+            textHeightBehavior: const TextHeightBehavior(
+              applyHeightToFirstAscent: false,
+              applyHeightToLastDescent: false,
            ),
          ),
        ),
        IconButton(
          padding: EdgeInsets.zero,
-          constraints: BoxConstraints(),
-          icon: Icon(
-            Icons.add,
-            color: buttonIconColor,
-            size: iconSize,
+          constraints: const BoxConstraints(),
+          style: const ButtonStyle(
+            tapTargetSize: MaterialTapTargetSize.shrinkWrap,
          ),
+          icon: iconAdd,
          onPressed: () {
            _lines = min(_lines + 1, 4);
            myProvider.redraw();
@@ -139,19 +160,14 @@ class Counter {
  TableRow buildHolesWidget(Data myProvider) {
    return TableRow(
      children: [
-        Icon(
-          Icons.check_box_outline_blank,
-          color: categoryIconColor,
-          size: iconSize,
-        ),
+        iconHolesCount,
        IconButton(
          padding: EdgeInsets.zero,
-          constraints: BoxConstraints(),
-          icon: Icon(
-            Icons.remove,
-            color: buttonIconColor,
-            size: iconSize,
+          constraints: const BoxConstraints(),
+          style: const ButtonStyle(
+            tapTargetSize: MaterialTapTargetSize.shrinkWrap,
          ),
+          icon: iconRemove,
          onPressed: () {
            _holes = max(_holes - 1, 0);
            myProvider.redraw();
@@ -160,22 +176,25 @@ class Counter {
        Center(
          child: Text(
            _holes.toString(),
-            style: TextStyle(
+            style: const TextStyle(
              fontFamily: 'Blocks',
-              fontSize: 50,
+              fontSize: fontSize,
+            ),
+            textHeightBehavior: const TextHeightBehavior(
+              applyHeightToFirstAscent: false,
+              applyHeightToLastDescent: false,
            ),
          ),
        ),
        IconButton(
          padding: EdgeInsets.zero,
-          constraints: BoxConstraints(),
-          icon: Icon(
-            Icons.add,
-            color: buttonIconColor,
-            size: iconSize,
+          constraints: const BoxConstraints(),
+          style: const ButtonStyle(
+            tapTargetSize: MaterialTapTargetSize.shrinkWrap,
          ),
+          icon: iconAdd,
          onPressed: () {
-            _holes = min(_holes + 1, 4);
+            _holes = min(_holes + 1, 9);
            myProvider.redraw();
          },
        ),


--- a/lib/entity/player.dart
+++ b/lib/entity/player.dart
 import 'dart:math';

 import 'package:flutter/material.dart';
+
 import 'package:tetrisdual/entity/counter.dart';
 import 'package:tetrisdual/layout/board_painter.dart';
 import 'package:tetrisdual/provider/data.dart';
@@ -11,18 +12,16 @@ class Player {

  int _score = 0;
  int _currentTetrimino = 0;
-  Counter _counter = new Counter();
+  final Counter _counter = Counter();

  Widget buildTetriminoWidget(Data myProvider, double width) {
-    return Container(
-      child: GestureDetector(
+    return GestureDetector(
      onTapUp: (details) {
        if (playerId == myProvider.getCurrentPlayer().playerId) {
          pickRandomTetrimino();
          myProvider.redraw();
        }
      },
-        child: Container(
      child: CustomPaint(
        size: Size(width, width),
        willChange: false,
@@ -30,87 +29,91 @@ class Player {
        isComplex: true,
        key: Key(_currentTetrimino.toString()),
      ),
-        ),
-      ),
    );
  }

  Widget buildManagerWidget(Data myProvider) {
-    List<Widget> items = [];
-
-    if (myProvider.currentPlayer == playerId) {
-      items.add(_counter.buildCounterWidget(myProvider));
-      items.add(buildSubmitWidget(myProvider));
-    }
-
    return Expanded(
      child: Container(
-        margin: EdgeInsets.all(5),
+        margin: const EdgeInsets.all(5),
        child: Column(
          mainAxisAlignment: MainAxisAlignment.start,
          crossAxisAlignment: CrossAxisAlignment.center,
-          children: items,
+          children: myProvider.currentPlayer == playerId
+              ? [
+                  _counter.buildCounterWidget(myProvider),
+                  buildSubmitWidget(myProvider),
+                ]
+              : [],
        ),
      ),
    );
  }

  Widget buildSubmitWidget(Data myProvider) {
-    double fontSize = 70;
+    const double gainFontSize = 70;

-    return Container(
-      decoration: BoxDecoration(
+    const gainTestStyle = TextStyle(
+      fontFamily: 'Blocks',
+      fontSize: gainFontSize,
+      fontWeight: FontWeight.bold,
+    );
+    const submitIcon = Icon(
+      Icons.done_all,
+      color: Colors.orange,
+      size: gainFontSize / 2,
+    );
+
+    const topBorderBlack = BoxDecoration(
      border: Border(
        top: BorderSide(
          color: Colors.black,
          width: 2,
        ),
      ),
-      ),
-      padding: EdgeInsets.only(
-        top: 5,
+    );
+
+    return Container(
+      decoration: topBorderBlack,
+      padding: const EdgeInsets.only(
+        top: 10,
      ),
      child: Row(
        mainAxisAlignment: MainAxisAlignment.end,
        crossAxisAlignment: CrossAxisAlignment.center,
        children: [
          Text(
-            '+' + _counter.computePoints().toString(),
-            style: TextStyle(
-              fontFamily: 'Blocks',
-              fontSize: fontSize,
-              fontWeight: FontWeight.bold,
+            '+${_counter.computePoints()}',
+            style: gainTestStyle,
+            textHeightBehavior: const TextHeightBehavior(
+              applyHeightToFirstAscent: false,
+              applyHeightToLastDescent: false,
            ),
          ),
-          SizedBox(
-            width: 10,
-          ),
+          const SizedBox(width: 10),
          IconButton(
            padding: EdgeInsets.zero,
-            constraints: BoxConstraints(),
-            icon: Icon(
-              Icons.done_all,
-              color: Colors.orange,
-              size: fontSize / 2.5,
+            constraints: const BoxConstraints(),
+            style: const ButtonStyle(
+              tapTargetSize: MaterialTapTargetSize.shrinkWrap,
            ),
+            icon: submitIcon,
            onPressed: () {
              _score = _score + _counter.computePoints();
              _counter.reset();
              myProvider.toggleCurrentPlayer();
            },
          ),
-          SizedBox(
-            width: 10,
-          ),
+          const SizedBox(width: 10),
        ],
      ),
    );
  }

  Widget buildPlayerBoard(Data myProvider, double screenWidth, bool isActive) {
-    double tetriminoBlockWidth = screenWidth / 2.3;
-    Color borderColor = isActive ? Colors.greenAccent : Colors.blueGrey;
-    double borderWidth = 10;
+    final double tetriminoBlockWidth = screenWidth / 2.3;
+    final Color borderColor = isActive ? Colors.greenAccent : Colors.blueGrey;
+    const double borderWidth = 10;

    return Column(
      mainAxisAlignment: MainAxisAlignment.center,
@@ -118,11 +121,15 @@ class Player {
      children: [
        Text(
          _score.toString(),
-          style: TextStyle(
+          style: const TextStyle(
            fontFamily: 'Blocks',
            fontSize: 130,
            fontWeight: FontWeight.bold,
          ),
+          textHeightBehavior: const TextHeightBehavior(
+            applyHeightToFirstAscent: false,
+            applyHeightToLastDescent: false,
+          ),
        ),
        Container(
          decoration: BoxDecoration(
@@ -132,8 +139,8 @@ class Player {
            ),
          ),
          child: Row(
-            mainAxisAlignment: MainAxisAlignment.center,
-            crossAxisAlignment: CrossAxisAlignment.start,
+            mainAxisAlignment: MainAxisAlignment.spaceBetween,
+            crossAxisAlignment: CrossAxisAlignment.center,
            children: [
              isActive
                  ? buildTetriminoWidget(myProvider, tetriminoBlockWidth)


--- a/lib/layout/board.dart
+++ b/lib/layout/board.dart
 import 'package:flutter/material.dart';
+
 import 'package:tetrisdual/provider/data.dart';

 class Board {
-  static Container buildGameBoard(Data myProvider, double screenWidth) {
-    Widget player1 = new RotatedBox(
+  static Widget buildGameBoard(Data myProvider, double screenWidth) {
+    final Widget player1 = RotatedBox(
      quarterTurns: 2,
      child: myProvider
          .getPlayer(1)
          .buildPlayerBoard(myProvider, screenWidth, myProvider.currentPlayer == 1),
    );
-    Widget player2 = myProvider
+
+    final Widget player2 = myProvider
        .getPlayer(2)
        .buildPlayerBoard(myProvider, screenWidth, myProvider.currentPlayer == 2);

-    Widget togglePlayerWidget = GestureDetector(
+    final Widget togglePlayerWidget = GestureDetector(
      onTapUp: (details) {
        myProvider.toggleCurrentPlayer();
      },
-      child: Text(
+      child: const Text(
        '🔄',
        style: TextStyle(
          fontSize: 50,
        ),
+        textHeightBehavior: TextHeightBehavior(
+          applyHeightToFirstAscent: false,
+          applyHeightToLastDescent: false,
+        ),
      ),
    );

-    return Container(
+    return Center(
      child: Column(
        mainAxisAlignment: MainAxisAlignment.spaceBetween,
        crossAxisAlignment: CrossAxisAlignment.center,


--- a/lib/layout/board_painter.dart
+++ b/lib/layout/board_painter.dart
@@ -7,10 +7,15 @@ class BoardPainter extends CustomPainter {

  final int currentTetrimino;

-  void drawPixels(List<List<int>> pixels, Canvas canvas, double drawSize, Color pixelColor) {
+  void drawPixels(
+    List<List<int>> pixels,
+    Canvas canvas,
+    double drawSize,
+    Color pixelColor,
+  ) {
    int blockWidth = 1;
    int blockHeight = 1;
-    pixels.forEach((pixel) {
+    for (List<int> pixel in pixels) {
      int x = pixel[0] + 1;
      int y = pixel[1] + 1;
      if (x > blockWidth) {
@@ -19,52 +24,53 @@ class BoardPainter extends CustomPainter {
      if (y > blockHeight) {
        blockHeight = y;
      }
-    });
+    }

-    double pixelSize = drawSize / (max(blockWidth, blockHeight) + 2);
-    double xOffset =
+    final double pixelSize = drawSize / (max(blockWidth, blockHeight) + 2);
+    final double xOffset =
        (blockHeight > blockWidth) ? (blockHeight - blockWidth) * pixelSize / 2 : 0;
-    double yOffset =
+    final double yOffset =
        (blockWidth > blockHeight) ? (blockWidth - blockHeight) * pixelSize / 2 : 0;

    // Fill background
    final paintPixelBackground = Paint();
    paintPixelBackground.color = pixelColor;
    paintPixelBackground.style = PaintingStyle.fill;
-    pixels.forEach((pixel) {
-      int x = pixel[0];
-      int y = pixel[1];
+    for (List<int> pixel in pixels) {
+      final int x = pixel[0];
+      final int y = pixel[1];
      final Rect pixelBackground = Rect.fromPoints(
          Offset(xOffset + pixelSize * (x + 1), yOffset + pixelSize * (y + 1)),
          Offset(xOffset + pixelSize * (x + 2), yOffset + pixelSize * (y + 2)));
      canvas.drawRect(pixelBackground, paintPixelBackground);
-    });
+    }

    // Border lines
    final paintPixelBorder = Paint();
    paintPixelBorder.color = Colors.grey.shade200;
    paintPixelBorder.style = PaintingStyle.stroke;
    paintPixelBorder.strokeWidth = 4;
-    pixels.forEach((pixel) {
-      int x = pixel[0];
-      int y = pixel[1];
+    for (List<int> pixel in pixels) {
+      final int x = pixel[0];
+      final int y = pixel[1];
      final Rect rectBackground = Rect.fromPoints(
          Offset(xOffset + pixelSize * (x + 1), yOffset + pixelSize * (y + 1)),
          Offset(xOffset + pixelSize * (x + 2), yOffset + pixelSize * (y + 2)));
      canvas.drawRect(rectBackground, paintPixelBorder);
-    });
+    }
  }

  @override
  void paint(Canvas canvas, Size size) {
-    double drawSize = min(size.width, size.height);
+    final double drawSize = min(size.width, size.height);

    // Fill background
    final paintBackground = Paint();
    paintBackground.color = Colors.grey.shade800;
    paintBackground.style = PaintingStyle.fill;

-    final Rect rectBackground = Rect.fromPoints(Offset(0, 0), Offset(drawSize, drawSize));
+    final Rect rectBackground =
+        Rect.fromPoints(const Offset(0, 0), Offset(drawSize, drawSize));
    canvas.drawRect(rectBackground, paintBackground);

    // Add tetrimino


--- a/lib/layout/game.dart
+++ b/lib/layout/game.dart
 import 'package:flutter/material.dart';
+
 import 'package:tetrisdual/layout/board.dart';
 import 'package:tetrisdual/provider/data.dart';
 import 'package:tetrisdual/utils/game_utils.dart';

 class Game {
-  static Container buildGameWidget(Data myProvider, double screenWidth) {
-    return Container(
-      child: !myProvider.isGameFinished
+  static Widget buildGameWidget(Data myProvider, double screenWidth) {
+    return !myProvider.isGameFinished
        ? Board.buildGameBoard(myProvider, screenWidth)
-          : Game.buildEndGameMessage(myProvider),
-    );
+        : Game.buildEndGameMessage(myProvider);
  }

  static TextButton buildQuitGameButton(Data myProvider) {
    return TextButton(
-      child: Image(
+      child: const Image(
        image: AssetImage('assets/icons/button_back.png'),
        fit: BoxFit.fill,
      ),
@@ -23,21 +22,21 @@ class Game {
  }

  static Container buildEndGameMessage(Data myProvider) {
-    String decorationImageAssetName = 'assets/icons/game_fail.png';
+    const String decorationImageAssetName = 'assets/icons/game_fail.png';

-    Widget decorationWidget = TextButton(
-      child: Image(
+    final Widget decorationWidget = TextButton(
+      child: const Image(
        image: AssetImage(decorationImageAssetName),
        fit: BoxFit.fill,
      ),
-      onPressed: () => null,
+      onPressed: () {},
    );

    return Container(
-      margin: EdgeInsets.all(2),
-      padding: EdgeInsets.all(2),
+      margin: const EdgeInsets.all(2),
+      padding: const EdgeInsets.all(2),
      child: Table(
-        defaultColumnWidth: IntrinsicColumnWidth(),
+        defaultColumnWidth: const IntrinsicColumnWidth(),
        children: [
          TableRow(
            children: [


--- a/lib/layout/parameters.dart
+++ b/lib/layout/parameters.dart
 import 'package:flutter/material.dart';
+
 import 'package:tetrisdual/provider/data.dart';
 import 'package:tetrisdual/utils/game_utils.dart';

 class Parameters {
-  static double separatorHeight = 2.0;
-  static double blockMargin = 3.0;
-  static double blockPadding = 2.0;
-  static Color buttonBackgroundColor = Colors.white;
-  static Color buttonBorderColorActive = Colors.blue;
-  static Color buttonBorderColorInactive = Colors.white;
-  static double buttonBorderWidth = 10.0;
-  static double buttonBorderRadius = 8.0;
-  static double buttonPadding = 0.0;
-  static double buttonMargin = 0.0;
-
-  static Container buildParametersSelector(Data myProvider) {
-    List<Widget> lines = [];
-
-    List parameters = myProvider.availableParameters;
-    for (var index = 0; index < parameters.length; index++) {
+  static const double separatorHeight = 2.0;
+  static const double blockMargin = 3.0;
+  static const double blockPadding = 2.0;
+  static const Color buttonBackgroundColor = Colors.white;
+  static const Color buttonBorderColorActive = Colors.blue;
+  static const Color buttonBorderColorInactive = Colors.white;
+  static const double buttonBorderWidth = 10.0;
+  static const double buttonBorderRadius = 8.0;
+  static const double buttonPadding = 0.0;
+  static const double buttonMargin = 0.0;
+
+  static Widget buildParametersSelector(Data myProvider) {
+    final List<Widget> lines = [];
+
+    final List<String> parameters = myProvider.availableParameters;
+    for (int index = 0; index < parameters.length; index++) {
      lines.add(buildParameterSelector(myProvider, parameters[index]));
-      lines.add(SizedBox(height: separatorHeight));
+      lines.add(const SizedBox(height: separatorHeight));
    }

-    Widget buttonsBlock = buildStartNewGameButton(myProvider);
+    final Widget buttonsBlock = buildStartNewGameButton(myProvider);

-    return Container(
-      child: Column(
+    return Column(
      mainAxisAlignment: MainAxisAlignment.start,
      crossAxisAlignment: CrossAxisAlignment.center,
      children: [
-          SizedBox(height: separatorHeight),
+        const SizedBox(height: separatorHeight),
        Expanded(
          child: Column(
            mainAxisSize: MainAxisSize.min,
@@ -38,18 +38,17 @@ class Parameters {
            children: lines,
          ),
        ),
-          SizedBox(height: separatorHeight),
+        const SizedBox(height: separatorHeight),
        Container(
          child: buttonsBlock,
        ),
      ],
-      ),
    );
  }

  static Image buildImageWidget(String imageAssetCode) {
    return Image(
-      image: AssetImage('assets/icons/' + imageAssetCode + '.png'),
+      image: AssetImage('assets/icons/$imageAssetCode.png'),
      fit: BoxFit.fill,
    );
  }
@@ -65,7 +64,7 @@ class Parameters {
      children: [
        TextButton(
          child: buildImageContainerWidget('placeholder'),
-          onPressed: () => null,
+          onPressed: () {},
        ),
      ],
    );
@@ -73,10 +72,10 @@ class Parameters {

  static Container buildStartNewGameButton(Data myProvider) {
    return Container(
-      margin: EdgeInsets.all(blockMargin),
-      padding: EdgeInsets.all(blockPadding),
+      margin: const EdgeInsets.all(blockMargin),
+      padding: const EdgeInsets.all(blockPadding),
      child: Table(
-        defaultColumnWidth: IntrinsicColumnWidth(),
+        defaultColumnWidth: const IntrinsicColumnWidth(),
        children: [
          TableRow(
            children: [
@@ -98,18 +97,18 @@ class Parameters {
  }

  static Widget buildParameterSelector(Data myProvider, String parameterCode) {
-    List availableValues = myProvider.getParameterAvailableValues(parameterCode);
+    final List<String> availableValues = myProvider.getParameterAvailableValues(parameterCode);

    if (availableValues.length == 1) {
-      return SizedBox(height: 0.0);
+      return const SizedBox(height: 0.0);
    }

    return Table(
-      defaultColumnWidth: IntrinsicColumnWidth(),
+      defaultColumnWidth: const IntrinsicColumnWidth(),
      children: [
        TableRow(
          children: [
-            for (var index = 0; index < availableValues.length; index++)
+            for (int index = 0; index < availableValues.length; index++)
              Column(
                children: [
                  _buildParameterButton(myProvider, parameterCode, availableValues[index])
@@ -122,16 +121,19 @@ class Parameters {
  }

  static Widget _buildParameterButton(
-      Data myProvider, String parameterCode, String parameterValue) {
-    String currentValue = myProvider.getParameterValue(parameterCode).toString();
+    Data myProvider,
+    String parameterCode,
+    String parameterValue,
+  ) {
+    final String currentValue = myProvider.getParameterValue(parameterCode).toString();

-    bool isActive = (parameterValue == currentValue);
-    String imageAsset = parameterCode + '_' + parameterValue;
+    final bool isActive = (parameterValue == currentValue);
+    final String imageAsset = '${parameterCode}_$parameterValue';

    return TextButton(
      child: Container(
-        margin: EdgeInsets.all(buttonMargin),
-        padding: EdgeInsets.all(buttonPadding),
+        margin: const EdgeInsets.all(buttonMargin),
+        padding: const EdgeInsets.all(buttonPadding),
        decoration: BoxDecoration(
          color: buttonBackgroundColor,
          borderRadius: BorderRadius.circular(buttonBorderRadius),


--- a/lib/main.dart
+++ b/lib/main.dart
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
-import 'package:tetrisdual/provider/data.dart';
-import 'package:tetrisdual/screens/home.dart';
 import 'package:provider/provider.dart';
 import 'package:overlay_support/overlay_support.dart';

+import 'package:tetrisdual/provider/data.dart';
+import 'package:tetrisdual/screens/home.dart';
+
 void main() {
  WidgetsFlutterBinding.ensureInitialized();
  SystemChrome.setPreferredOrientations([DeviceOrientation.portraitUp])
-      .then((value) => runApp(MyApp()));
+      .then((value) => runApp(const MyApp()));
 }

 class MyApp extends StatelessWidget {
+  const MyApp({super.key});
+
  @override
  Widget build(BuildContext context) {
    return ChangeNotifierProvider(
@@ -19,14 +22,13 @@ class MyApp extends StatelessWidget {
      child: Consumer<Data>(builder: (context, data, child) {
        return OverlaySupport(
          child: MaterialApp(
-            debugShowCheckedModeBanner: false,
            theme: ThemeData(
              primaryColor: Colors.blue,
              visualDensity: VisualDensity.adaptivePlatformDensity,
            ),
-            home: Home(),
+            home: const Home(),
            routes: {
-              Home.id: (context) => Home(),
+              Home.id: (context) => const Home(),
            },
          ),
        );


--- a/lib/provider/data.dart
+++ b/lib/provider/data.dart
@@ -2,32 +2,30 @@ import 'dart:math';

 import 'package:flutter/foundation.dart';
 import 'package:shared_preferences/shared_preferences.dart';
+
 import 'package:tetrisdual/entity/player.dart';

 class Data extends ChangeNotifier {
  // Configuration available parameters
-  List _availableParameters = [];
+  final List<String> _availableParameters = [];

-  List get availableParameters => _availableParameters;
+  List<String> get availableParameters => _availableParameters;

  // Application default configuration

  // Application current configuration
  String getParameterValue(String parameterCode) {
-    switch (parameterCode) {
-    }
+    switch (parameterCode) {}
    return '';
  }

-  List getParameterAvailableValues(String parameterCode) {
-    switch (parameterCode) {
-    }
+  List<String> getParameterAvailableValues(String parameterCode) {
+    switch (parameterCode) {}
    return [];
  }

  void setParameterValue(String parameterCode, String parameterValue) async {
-    switch (parameterCode) {
-    }
+    switch (parameterCode) {}
    final prefs = await SharedPreferences.getInstance();
    prefs.setString(parameterCode, parameterValue);
  }
@@ -75,12 +73,12 @@ class Data extends ChangeNotifier {
  }

  Player getPlayer(int playerId) {
-    int playerIndex = playerId - 1;
+    final int playerIndex = playerId - 1;
    Player? player = _players[playerIndex];

    // Create new player if none
    if (null == player) {
-      player = new Player(playerId);
+      player = Player(playerId);
      _players[playerIndex] = player;
    }

@@ -98,7 +96,7 @@ class Data extends ChangeNotifier {
  void resetGame() {
    _gameIsRunning = false;
    _gameIsFinished = false;
-    _players = [new Player(1), new Player(2)];
+    _players = [Player(1), Player(2)];
    notifyListeners();
  }
 }
--- a/lib/screens/home.dart
+++ b/lib/screens/home.dart
 import 'package:flutter/material.dart';
+import 'package:provider/provider.dart';
+import 'package:overlay_support/overlay_support.dart';
+
 import 'package:tetrisdual/layout/game.dart';
 import 'package:tetrisdual/layout/parameters.dart';
 import 'package:tetrisdual/provider/data.dart';
 import 'package:tetrisdual/utils/game_utils.dart';
-import 'package:provider/provider.dart';
-import 'package:overlay_support/overlay_support.dart';

 class Home extends StatefulWidget {
+  const Home({super.key});
+
  static const String id = 'home';

  @override
-  _HomeState createState() => _HomeState();
+  HomeState createState() => HomeState();
 }

-class _HomeState extends State<Home> {
+class HomeState extends State<Home> {
  @override
  void initState() {
    super.initState();
@@ -21,42 +24,29 @@ class _HomeState extends State<Home> {

  @override
  Widget build(BuildContext context) {
-    Data myProvider = Provider.of<Data>(context);
-    double screenWidth = MediaQuery.of(context).size.width;
+    final Data myProvider = Provider.of<Data>(context);
+    final double screenWidth = MediaQuery.of(context).size.width;

-    List<Widget> menuActions = [];
+    final List<Widget> menuActions = [];

    if (myProvider.isGameRunning) {
-      menuActions = [
-        TextButton(
-          child: Container(
-            decoration: BoxDecoration(
-              borderRadius: BorderRadius.circular(4),
-              border: Border.all(
-                color: Colors.blue,
-                width: 4,
-              ),
-            ),
-            child: Image(
+      menuActions.add(TextButton(
+        child: const Image(
          image: AssetImage('assets/icons/button_back.png'),
          fit: BoxFit.fill,
        ),
-          ),
        onPressed: () => toast('Long press to quit game...'),
        onLongPress: () => GameUtils.quitGame(myProvider),
-        ),
-      ];
+      ));
    }

    return Scaffold(
      appBar: AppBar(
        actions: menuActions,
      ),
-      body: SafeArea(
-        child: myProvider.isGameRunning
+      body: myProvider.isGameRunning
          ? Game.buildGameWidget(myProvider, screenWidth)
          : Parameters.buildParametersSelector(myProvider),
-      ),
    );
  }
 }
--- a/lib/utils/game_utils.dart
+++ b/lib/utils/game_utils.dart
@@ -6,8 +6,6 @@ class GameUtils {
  }

  static Future<void> startNewGame(Data myProvider) async {
-    print('Starting game');
-
    myProvider.resetGame();
    myProvider.enableRandomPlayer();
    myProvider.getCurrentPlayer().pickRandomTetrimino();


--- a/pubspec.lock
+++ b/pubspec.lock
@@ -21,52 +21,68 @@ packages:
    dependency: transitive
    description:
      name: collection
-      sha256: f092b211a4319e98e5ff58223576de6c2803db36221657b46c82574721240687
+      sha256: ee67cb0715911d28db6bf4af1026078bd6f0128b07a5f66fb2ed94ec6783c09a
      url: "https://pub.dev"
    source: hosted
-    version: "1.17.2"
+    version: "1.18.0"
  ffi:
    dependency: transitive
    description:
      name: ffi
-      sha256: "7bf0adc28a23d395f19f3f1eb21dd7cfd1dd9f8e1c50051c069122e6853bc878"
+      sha256: "493f37e7df1804778ff3a53bd691d8692ddf69702cf4c1c1096a2e41b4779e21"
      url: "https://pub.dev"
    source: hosted
-    version: "2.1.0"
+    version: "2.1.2"
  file:
    dependency: transitive
    description:
      name: file
-      sha256: "1b92bec4fc2a72f59a8e15af5f52cd441e4a7860b49499d69dfa817af20e925d"
+      sha256: "5fc22d7c25582e38ad9a8515372cd9a93834027aacf1801cf01164dac0ffa08c"
      url: "https://pub.dev"
    source: hosted
-    version: "6.1.4"
+    version: "7.0.0"
  flutter:
    dependency: "direct main"
    description: flutter
    source: sdk
    version: "0.0.0"
+  flutter_lints:
+    dependency: "direct dev"
+    description:
+      name: flutter_lints
+      sha256: e2a421b7e59244faef694ba7b30562e489c2b489866e505074eb005cd7060db7
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.1"
  flutter_web_plugins:
    dependency: transitive
    description: flutter
    source: sdk
    version: "0.0.0"
+  lints:
+    dependency: transitive
+    description:
+      name: lints
+      sha256: cbf8d4b858bb0134ef3ef87841abdf8d63bfc255c266b7bf6b39daa1085c4290
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.0"
  material_color_utilities:
    dependency: transitive
    description:
      name: material_color_utilities
-      sha256: "9528f2f296073ff54cb9fee677df673ace1218163c3bc7628093e7eed5203d41"
+      sha256: "0e0a020085b65b6083975e499759762399b4475f766c21668c4ecca34ea74e5a"
      url: "https://pub.dev"
    source: hosted
-    version: "0.5.0"
+    version: "0.8.0"
  meta:
    dependency: transitive
    description:
      name: meta
-      sha256: "3c74dbf8763d36539f114c799d8a2d87343b5067e9d796ca22b5eb8437090ee3"
+      sha256: d584fa6707a52763a52446f02cc621b077888fb63b93bbcb1143a7be5a0c0c04
      url: "https://pub.dev"
    source: hosted
-    version: "1.9.1"
+    version: "1.11.0"
  nested:
    dependency: transitive
    description:
@@ -87,10 +103,10 @@ packages:
    dependency: transitive
    description:
      name: path
-      sha256: "8829d8a55c13fc0e37127c29fedf290c102f4e40ae94ada574091fe0ff96c917"
+      sha256: "087ce49c3f0dc39180befefc60fdb4acd8f8620e5682fe2476afd0b3688bb4af"
      url: "https://pub.dev"
    source: hosted
-    version: "1.8.3"
+    version: "1.9.0"
  path_provider_linux:
    dependency: transitive
    description:
@@ -103,10 +119,10 @@ packages:
    dependency: transitive
    description:
      name: path_provider_platform_interface
-      sha256: "94b1e0dd80970c1ce43d5d4e050a9918fce4f4a775e6142424c30a29a363265c"
+      sha256: "88f5779f72ba699763fa3a3b06aa4bf6de76c8e5de842cf6f29e2e06476c2334"
      url: "https://pub.dev"
    source: hosted
-    version: "2.1.1"
+    version: "2.1.2"
  path_provider_windows:
    dependency: transitive
    description:
@@ -119,34 +135,34 @@ packages:
    dependency: transitive
    description:
      name: platform
-      sha256: ae68c7bfcd7383af3629daafb32fb4e8681c7154428da4febcff06200585f102
+      sha256: "12220bb4b65720483f8fa9450b4332347737cf8213dd2840d8b2c823e47243ec"
      url: "https://pub.dev"
    source: hosted
-    version: "3.1.2"
+    version: "3.1.4"
  plugin_platform_interface:
    dependency: transitive
    description:
      name: plugin_platform_interface
-      sha256: da3fdfeccc4d4ff2da8f8c556704c08f912542c5fb3cf2233ed75372384a034d
+      sha256: "4820fbfdb9478b1ebae27888254d445073732dae3d6ea81f0b7e06d5dedc3f02"
      url: "https://pub.dev"
    source: hosted
-    version: "2.1.6"
+    version: "2.1.8"
  provider:
    dependency: "direct main"
    description:
      name: provider
-      sha256: cdbe7530b12ecd9eb455bdaa2fcb8d4dad22e80b8afb4798b41479d5ce26847f
+      sha256: "9a96a0a19b594dbc5bf0f1f27d2bc67d5f95957359b461cd9feb44ed6ae75096"
      url: "https://pub.dev"
    source: hosted
-    version: "6.0.5"
+    version: "6.1.1"
  shared_preferences:
    dependency: "direct main"
    description:
      name: shared_preferences
-      sha256: b7f41bad7e521d205998772545de63ff4e6c97714775902c199353f8bf1511ac
+      sha256: "81429e4481e1ccfb51ede496e916348668fd0921627779233bd24cc3ff6abd02"
      url: "https://pub.dev"
    source: hosted
-    version: "2.2.1"
+    version: "2.2.2"
  shared_preferences_android:
    dependency: transitive
    description:
@@ -159,42 +175,42 @@ packages:
    dependency: transitive
    description:
      name: shared_preferences_foundation
-      sha256: "7bf53a9f2d007329ee6f3df7268fd498f8373602f943c975598bbb34649b62a7"
+      sha256: "7708d83064f38060c7b39db12aefe449cb8cdc031d6062280087bc4cdb988f5c"
      url: "https://pub.dev"
    source: hosted
-    version: "2.3.4"
+    version: "2.3.5"
  shared_preferences_linux:
    dependency: transitive
    description:
      name: shared_preferences_linux
-      sha256: c2eb5bf57a2fe9ad6988121609e47d3e07bb3bdca5b6f8444e4cf302428a128a
+      sha256: "9f2cbcf46d4270ea8be39fa156d86379077c8a5228d9dfdb1164ae0bb93f1faa"
      url: "https://pub.dev"
    source: hosted
-    version: "2.3.1"
+    version: "2.3.2"
  shared_preferences_platform_interface:
    dependency: transitive
    description:
      name: shared_preferences_platform_interface
-      sha256: d4ec5fc9ebb2f2e056c617112aa75dcf92fc2e4faaf2ae999caa297473f75d8a
+      sha256: "22e2ecac9419b4246d7c22bfbbda589e3acf5c0351137d87dd2939d984d37c3b"
      url: "https://pub.dev"
    source: hosted
-    version: "2.3.1"
+    version: "2.3.2"
  shared_preferences_web:
    dependency: transitive
    description:
      name: shared_preferences_web
-      sha256: d762709c2bbe80626ecc819143013cc820fa49ca5e363620ee20a8b15a3e3daf
+      sha256: "9aee1089b36bd2aafe06582b7d7817fd317ef05fc30e6ba14bff247d0933042a"
      url: "https://pub.dev"
    source: hosted
-    version: "2.2.1"
+    version: "2.3.0"
  shared_preferences_windows:
    dependency: transitive
    description:
      name: shared_preferences_windows
-      sha256: f763a101313bd3be87edffe0560037500967de9c394a714cd598d945517f694f
+      sha256: "841ad54f3c8381c480d0c9b508b89a34036f512482c407e6df7a9c4aa2ef8f59"
      url: "https://pub.dev"
    source: hosted
-    version: "2.3.1"
+    version: "2.3.2"
  sky_engine:
    dependency: transitive
    description: flutter
@@ -212,26 +228,26 @@ packages:
    dependency: transitive
    description:
      name: web
-      sha256: dc8ccd225a2005c1be616fe02951e2e342092edf968cf0844220383757ef8f10
+      sha256: "1d9158c616048c38f712a6646e317a3426da10e884447626167240d45209cbad"
      url: "https://pub.dev"
    source: hosted
-    version: "0.1.4-beta"
+    version: "0.5.0"
  win32:
    dependency: transitive
    description:
      name: win32
-      sha256: "350a11abd2d1d97e0cc7a28a81b781c08002aa2864d9e3f192ca0ffa18b06ed3"
+      sha256: "464f5674532865248444b4c3daca12bd9bf2d7c47f759ce2617986e7229494a8"
      url: "https://pub.dev"
    source: hosted
-    version: "5.0.9"
+    version: "5.2.0"
  xdg_directories:
    dependency: transitive
    description:
      name: xdg_directories
-      sha256: "589ada45ba9e39405c198fe34eb0f607cddb2108527e658136120892beac46d2"
+      sha256: faea9dee56b520b55a566385b84f2e8de55e7496104adada9962e0bd11bcff1d
      url: "https://pub.dev"
    source: hosted
-    version: "1.0.3"
+    version: "1.0.4"
 sdks:
-  dart: ">=3.1.0-185.0.dev <4.0.0"
-  flutter: ">=3.7.0"
+  dart: ">=3.3.0 <4.0.0"
+  flutter: ">=3.19.0"
--- a/pubspec.yaml
+++ b/pubspec.yaml
 name: tetrisdual
 description: Tetris Dual Game
 publish_to: 'none'
-version: 1.0.0+1
+version: 0.0.9+9

 environment:
  sdk: '^3.0.0'
@@ -13,6 +13,9 @@ dependencies:
  shared_preferences: ^2.2.1
  overlay_support: ^2.1.0

+dev_dependencies:
+  flutter_lints: ^3.0.1
+
 flutter:
  uses-material-design: true
  assets: