cleanup

lib/done.dart

@@ -32,15 +32,6 @@ class MyHomePage extends StatefulWidget {
 }
 
 class _MyHomePageState extends State<MyHomePage> {
-  int _counter = 0;
-
-  void _incrementCounter() {
-    setState(() {
-      // called again, and so nothing would appear to happen.
-      _counter++;
-    });
-  }
-
   @override
   Widget build(BuildContext context) {
     return Scaffold(
@@ -54,23 +45,40 @@ class _MyHomePageState extends State<MyHomePage> {
           child: MyBarChart(),
         ),
       ),
-      floatingActionButton: FloatingActionButton(
-        onPressed: _incrementCounter,
-        tooltip: 'Increment',
-        child: const Icon(Icons.add),
-      ),
     );
   }
 }
 
 class MyBarChart extends StatelessWidget {
+  MyBarChart({super.key});
+
   final List<ChartData> data = ChartData.exampleData();
+  final double _chartTextRotation = -1.57079633;
 
   double get maxY => max(
         data.map((d) => d.gpa).reduce((a, b) => max(a, b)),
         data.map((d) => d.year).reduce((a, b) => max(a, b)),
       ).toDouble();
 
+  SideTitleWidget _getBottomSideTitleWidget(double y, TitleMeta meta) {
+    return SideTitleWidget(
+      angle: _chartTextRotation,
+      axisSide: meta.axisSide,
+      child: Center(child: Text(meta.formattedValue)),
+    );
+  }
+
+  SideTitleWidget _getLeftSideTitleWidget(double x, TitleMeta meta) {
+    return SideTitleWidget(
+      angle: _chartTextRotation,
+      axisSide: meta.axisSide,
+      child: Align(
+        alignment: Alignment.centerRight,
+        child: Text(data[x.floor()].name),
+      ),
+    );
+  }
+
   List<BarChartGroupData> _chartGroupData() {
     return data
         .map((d) => BarChartGroupData(
@@ -89,24 +97,18 @@ class MyBarChart extends StatelessWidget {
       maxY: maxY + 0.5,
       titlesData: FlTitlesData(
         show: true,
-        topTitles: AxisTitles(sideTitles: SideTitles(showTitles: false)),
-        leftTitles: AxisTitles(sideTitles: SideTitles(showTitles: false)),
+        topTitles: const AxisTitles(sideTitles: SideTitles(showTitles: false)),
+        leftTitles: const AxisTitles(sideTitles: SideTitles(showTitles: false)),
         rightTitles: AxisTitles(
             sideTitles: SideTitles(
                 reservedSize: 40,
                 showTitles: true,
-                getTitlesWidget: (y, meta) => SideTitleWidget(
-                    angle: -1.57079633,
-                    child: Text(meta.formattedValue),
-                    axisSide: meta.axisSide))),
+                getTitlesWidget: _getBottomSideTitleWidget)),
         bottomTitles: AxisTitles(
             sideTitles: SideTitles(
                 reservedSize: 50,
                 showTitles: true,
-                getTitlesWidget: (x, meta) => SideTitleWidget(
-                    angle: -1.57079633,
-                    child: Text(data[x.floor()].name),
-                    axisSide: meta.axisSide))),
+                getTitlesWidget: _getLeftSideTitleWidget)),
       ),
     );
   }