button add width

lib/common_widgets/aku_button.dart

@@ -13,6 +13,7 @@ class AkuButton extends StatefulWidget {
   @required
   final VoidCallback onPressed;
   final Color color;
+  final double width;
   AkuButton({
     Key key,
     this.child,
@@ -21,6 +22,7 @@ class AkuButton extends StatefulWidget {
     this.onPressed,
     this.padding = EdgeInsets.zero,
     this.color = Colors.transparent,
+    this.width = 0,
   }) : super(key: key);
 
   @override
@@ -38,6 +40,7 @@ class _AkuButtonState extends State<AkuButton> with PlatformMixin {
             minHeight: widget.height,
             padding: widget.padding,
             color: widget.color,
+            minWidth: widget.width,
           )
         : AkuMaterialButton(
             onPressed: widget.onPressed,
@@ -46,6 +49,7 @@ class _AkuButtonState extends State<AkuButton> with PlatformMixin {
             height: widget.height,
             padding: widget.padding,
             color: widget.color,
+            minWidth: widget.width,
           );
   }
 }

lib/common_widgets/aku_cupertino_button.dart

@@ -9,6 +9,7 @@ class AkuCupertinoButton extends CupertinoButton {
   final double radius;
   final double minHeight;
   final Color nullColor;
+  final double minWidth;
 
   AkuCupertinoButton({
     Key key,
@@ -19,9 +20,14 @@ class AkuCupertinoButton extends CupertinoButton {
     this.radius = 0,
     this.minHeight = 0,
     this.nullColor,
+    this.minWidth,
   }) : super(
           key: key,
-          child: child,
+          child: Container(
+            alignment: Alignment.center,
+            constraints: BoxConstraints(minWidth: minWidth),
+            child: child,
+          ),
           color: color,
           onPressed: onPressed,
           padding: padding,

lib/common_widgets/aku_material_button.dart

@@ -44,5 +44,6 @@ class AkuMaterialButton extends MaterialButton {
           ),
           child: child,
           color: color,
+          materialTapTargetSize: MaterialTapTargetSize.shrinkWrap,
         );
 }