Material 3 demo: add tooltips to expanded color picker widgets (#1848)

experimental/material_3_demo/lib/home.dart

@@ -521,9 +521,8 @@ class _ExpandedColorSeedAction extends StatelessWidget {
             isSelected: colorSelected.color == ColorSeed.values[i].color &&
                 colorSelectionMethod == ColorSelectionMethod.colorSeed,
             selectedIcon: const Icon(Icons.circle),
-            onPressed: () {
-              handleColorSelect(i);
-            },
+            onPressed: () => handleColorSelect(i),
+            tooltip: ColorSeed.values[i].label,
           ),
         ),
       ),
@@ -552,7 +551,9 @@ class _ExpandedImageColorAction extends StatelessWidget {
           crossAxisCount: 3,
           children: List.generate(
             ColorImageProvider.values.length,
-            (i) => InkWell(
+            (i) => Tooltip(
+              message: ColorImageProvider.values[i].label,
+              child: InkWell(
                 borderRadius: BorderRadius.circular(4.0),
                 onTap: () => handleImageSelect(i),
                 child: Padding(
@@ -578,6 +579,7 @@ class _ExpandedImageColorAction extends StatelessWidget {
             ),
           ),
         ),
+      ),
     );
   }
 }

material_3_demo/lib/home.dart

@@ -524,6 +524,7 @@ class _ExpandedColorSeedAction extends StatelessWidget {
             onPressed: () {
               handleColorSelect(i);
             },
+            tooltip: ColorSeed.values[i].label,
           ),
         ),
       ),
@@ -552,7 +553,9 @@ class _ExpandedImageColorAction extends StatelessWidget {
           crossAxisCount: 3,
           children: List.generate(
             ColorImageProvider.values.length,
-            (i) => InkWell(
+            (i) => Tooltip(
+              message: ColorImageProvider.values[i].name,
+              child: InkWell(
                 borderRadius: BorderRadius.circular(4.0),
                 onTap: () => handleImageSelect(i),
                 child: Padding(
@@ -578,6 +581,7 @@ class _ExpandedImageColorAction extends StatelessWidget {
             ),
           ),
         ),
+      ),
     );
   }
 }