Resolves #348 Glance card improvements

lib/cards/widgets/card_widget.dart

@@ -220,13 +220,21 @@ class CardWidget extends StatelessWidget {
     List<Widget> rows = [];
     rows.add(CardHeaderWidget(name: card.name));
 
-    List<Widget> result = [];
     int columnsCount = entitiesToShow.length >= card.columnsCount ? card.columnsCount : entitiesToShow.length;
 
+    rows.add(
+        Padding(
+          padding: EdgeInsets.only(bottom: Sizes.rowPadding, top: Sizes.rowPadding),
+          child: FractionallySizedBox(
+            widthFactor: 1,
+            child: LayoutBuilder(
+                builder: (BuildContext context, BoxConstraints constraints) {
+                  List<Widget> buttons = [];
+                  double buttonWidth = constraints.maxWidth / columnsCount;
                   entitiesToShow.forEach((EntityWrapper entity) {
-      result.add(
-          FractionallySizedBox(
-            widthFactor: 1/columnsCount,
+                    buttons.add(
+                        SizedBox(
+                          width: buttonWidth,
                           child: EntityModel(
                               entityWrapper: entity,
                               child: GlanceEntityContainer(
@@ -238,19 +246,23 @@ class CardWidget extends StatelessWidget {
                         )
                     );
                   });
-    rows.add(
-        Padding(
-          padding: EdgeInsets.fromLTRB(0.0, Sizes.rowPadding, 0.0, 2*Sizes.rowPadding),
-          child: Wrap(
-            //alignment: WrapAlignment.spaceAround,
+                  return Wrap(
+                    //spacing: 5.0,
+                    //alignment: WrapAlignment.spaceEvenly,
                     runSpacing: Sizes.rowPadding*2,
-            children: result,
+                    children: buttons,
+                  );
+                }
+            ),
           ),
         )
     );
 
     return Card(
-        child: new Column(mainAxisSize: MainAxisSize.min, children: rows)
+        child: Column(
+            mainAxisSize: MainAxisSize.min,
+            children: rows
+        )
     );
   }
 

lib/cards/widgets/glance_entity_container.dart

@@ -54,15 +54,10 @@ class GlanceEntityContainer extends StatelessWidget {
 
     return Center(
       child: InkResponse(
-        child: ConstrainedBox(
-          constraints: BoxConstraints(minWidth: Sizes.iconSize * 2),
         child: Column(
           mainAxisSize: MainAxisSize.min,
-            //mainAxisAlignment: MainAxisAlignment.start,
-            //crossAxisAlignment: CrossAxisAlignment.center,
           children: result,
         ),
-        ),
         onTap: () => entityWrapper.handleTap(),
         onLongPress: () => entityWrapper.handleHold(),
       ),