Fix alpha value dismissing (#23)

* Remove unused code

* Auto-update iOS file

* Fix alpha value dismissing, refactor color changing methods

* Update version and changelog

Author: nohli

CHANGELOG.md

@@ -1,3 +1,7 @@
+## [1.2.3]
+
+* Fix bug on color change where previously set alpha value was ignored.
+
 ## [1.2.2]
 
 * Update example app.

example/ios/Runner/Info.plist

@@ -41,5 +41,7 @@
 	</array>
 	<key>UIViewControllerBasedStatusBarAppearance</key>
 	<false/>
+	<key>CADisableMinimumFrameDurationOnPhone</key>
+	<true/>
 </dict>
 </plist>

lib/src/color_picker.dart

@@ -1,14 +1,14 @@
 import 'package:flutter/material.dart';
 
-import 'widgets/alpha_picker.dart';
-import 'widgets/hex_picker.dart';
 import 'pickers/hsv_picker.dart';
 import 'pickers/palette_hue_picker.dart';
 import 'pickers/palette_saturation_picker.dart';
 import 'pickers/palette_value_picker.dart';
 import 'pickers/rgb_picker.dart';
 import 'pickers/swatches_picker.dart';
 import 'pickers/wheel_picker.dart';
+import 'widgets/alpha_picker.dart';
+import 'widgets/hex_picker.dart';
 
 enum Picker {
   swatches,
@@ -70,29 +70,26 @@ class _ColorPickerState extends State<ColorPicker> {
   late int _index;
 
   void _alphaOnChanged(int value) {
-    _alpha = value;
-    _color = _color.withAlpha(_alpha);
-    widget.onChanged(_color);
+    _updateColor(_color.withAlpha(value));
   }
 
   void _colorOnChanged(Color value) {
-    _color = value;
-    _hSVColor = HSVColor.fromColor(value);
-    widget.onChanged(value);
+    _updateColor(value.withAlpha(_color.alpha));
   }
 
   void _hSVColorOnChanged(HSVColor value) {
-    _color = value.toColor();
-    _hSVColor = value;
-    widget.onChanged(value.toColor());
+    _updateColor(value.toColor().withAlpha(_color.alpha));
   }
 
   void _colorWithAlphaOnChanged(Color value) {
-    _alpha = value.alpha;
-    final Color color = value.withAlpha(255);
+    _updateColor(value);
+  }
+
+  void _updateColor(Color color) {
+    _alpha = color.alpha;
     _color = color;
     _hSVColor = HSVColor.fromColor(color);
-    widget.onChanged(value);
+    widget.onChanged(color);
   }
 
   void _pickerOnChanged(_IPicker? value) {

lib/src/pickers/swatches_picker.dart

@@ -30,9 +30,7 @@ class _SwatchesPickerState extends State<SwatchesPicker>
     );
   }
 
-  Widget buildListView(Color? item) {
-    if (item == null) return const Divider(height: 60.0);
-
+  Widget buildListView(Color item) {
     return Container(
       width: 40.0,
       height: 40.0,

pubspec.yaml

@@ -1,6 +1,6 @@
 name: flutter_hsvcolor_picker
 description: A HSV color picker inspired by chrome devtools and a material color picker for your flutter app.
-version: 1.2.2
+version: 1.2.3
 homepage: https://github.com/fluttercandies/flutter_hsvcolor_picker
 
 dependencies: