search bar open/close callback. (#28)

* search open/close callback.

* fix undeclared heigh of container.

* fix undeclared heigh of container.

Author: nicks258

example/pubspec.lock

@@ -7,47 +7,53 @@ packages:
       path: ".."
       relative: true
     source: path
-    version: "2.0.3"
+    version: "2.1.3"
   async:
     dependency: transitive
     description:
       name: async
-      url: "https://pub.dartlang.org"
+      sha256: bfe67ef28df125b7dddcea62755991f807aa39a2492a23e1550161692950bbe0
+      url: "https://pub.dev"
     source: hosted
-    version: "2.9.0"
+    version: "2.10.0"
   boolean_selector:
     dependency: transitive
     description:
       name: boolean_selector
-      url: "https://pub.dartlang.org"
+      sha256: "6cfb5af12253eaf2b368f07bacc5a80d1301a071c73360d746b7f2e32d762c66"
+      url: "https://pub.dev"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
   characters:
     dependency: transitive
     description:
       name: characters
-      url: "https://pub.dartlang.org"
+      sha256: e6a326c8af69605aec75ed6c187d06b349707a27fbff8222ca9cc2cff167975c
+      url: "https://pub.dev"
     source: hosted
     version: "1.2.1"
   clock:
     dependency: transitive
     description:
       name: clock
-      url: "https://pub.dartlang.org"
+      sha256: cb6d7f03e1de671e34607e909a7213e31d7752be4fb66a86d29fe1eb14bfb5cf
+      url: "https://pub.dev"
     source: hosted
     version: "1.1.1"
   collection:
     dependency: transitive
     description:
       name: collection
-      url: "https://pub.dartlang.org"
+      sha256: cfc915e6923fe5ce6e153b0723c753045de46de1b4d63771530504004a45fae0
+      url: "https://pub.dev"
     source: hosted
-    version: "1.16.0"
+    version: "1.17.0"
   fake_async:
     dependency: transitive
     description:
       name: fake_async
-      url: "https://pub.dartlang.org"
+      sha256: "511392330127add0b769b75a987850d136345d9227c6b94c96a04cf4a391bf78"
+      url: "https://pub.dev"
     source: hosted
     version: "1.3.1"
   flutter:
@@ -60,32 +66,44 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  js:
+    dependency: transitive
+    description:
+      name: js
+      sha256: "5528c2f391ededb7775ec1daa69e65a2d61276f7552de2b5f7b8d34ee9fd4ab7"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.6.5"
   matcher:
     dependency: transitive
     description:
       name: matcher
-      url: "https://pub.dartlang.org"
+      sha256: "16db949ceee371e9b99d22f88fa3a73c4e59fd0afed0bd25fc336eb76c198b72"
+      url: "https://pub.dev"
     source: hosted
-    version: "0.12.12"
+    version: "0.12.13"
   material_color_utilities:
     dependency: transitive
     description:
       name: material_color_utilities
-      url: "https://pub.dartlang.org"
+      sha256: d92141dc6fe1dad30722f9aa826c7fbc896d021d792f80678280601aff8cf724
+      url: "https://pub.dev"
     source: hosted
-    version: "0.1.5"
+    version: "0.2.0"
   meta:
     dependency: transitive
     description:
       name: meta
-      url: "https://pub.dartlang.org"
+      sha256: "6c268b42ed578a53088d834796959e4a1814b5e9e164f147f580a386e5decf42"
+      url: "https://pub.dev"
     source: hosted
     version: "1.8.0"
   path:
     dependency: transitive
     description:
       name: path
-      url: "https://pub.dartlang.org"
+      sha256: db9d4f58c908a4ba5953fcee2ae317c94889433e5024c27ce74a37f94267945b
+      url: "https://pub.dev"
     source: hosted
     version: "1.8.2"
   sky_engine:
@@ -97,51 +115,58 @@ packages:
     dependency: transitive
     description:
       name: source_span
-      url: "https://pub.dartlang.org"
+      sha256: dd904f795d4b4f3b870833847c461801f6750a9fa8e61ea5ac53f9422b31f250
+      url: "https://pub.dev"
     source: hosted
-    version: "1.9.0"
+    version: "1.9.1"
   stack_trace:
     dependency: transitive
     description:
       name: stack_trace
-      url: "https://pub.dartlang.org"
+      sha256: c3c7d8edb15bee7f0f74debd4b9c5f3c2ea86766fe4178eb2a18eb30a0bdaed5
+      url: "https://pub.dev"
     source: hosted
-    version: "1.10.0"
+    version: "1.11.0"
   stream_channel:
     dependency: transitive
     description:
       name: stream_channel
-      url: "https://pub.dartlang.org"
+      sha256: "83615bee9045c1d322bbbd1ba209b7a749c2cbcdcb3fdd1df8eb488b3279c1c8"
+      url: "https://pub.dev"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
   string_scanner:
     dependency: transitive
     description:
       name: string_scanner
-      url: "https://pub.dartlang.org"
+      sha256: "556692adab6cfa87322a115640c11f13cb77b3f076ddcc5d6ae3c20242bedcde"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.1.1"
+    version: "1.2.0"
   term_glyph:
     dependency: transitive
     description:
       name: term_glyph
-      url: "https://pub.dartlang.org"
+      sha256: a29248a84fbb7c79282b40b8c72a1209db169a2e0542bce341da992fe1bc7e84
+      url: "https://pub.dev"
     source: hosted
     version: "1.2.1"
   test_api:
     dependency: transitive
     description:
       name: test_api
-      url: "https://pub.dartlang.org"
+      sha256: ad540f65f92caa91bf21dfc8ffb8c589d6e4dc0c2267818b4cc2792857706206
+      url: "https://pub.dev"
     source: hosted
-    version: "0.4.12"
+    version: "0.4.16"
   vector_math:
     dependency: transitive
     description:
       name: vector_math
-      url: "https://pub.dartlang.org"
+      sha256: "80b3257d1492ce4d091729e3a67a60407d227c27241d6927be0130c98e741803"
+      url: "https://pub.dev"
     source: hosted
-    version: "2.1.2"
+    version: "2.1.4"
 sdks:
-  dart: ">=2.17.0-0 <3.0.0"
+  dart: ">=2.18.0 <3.0.0"
   flutter: ">=1.17.0"

lib/src/anim_search_widget.dart

@@ -42,13 +42,13 @@ class AnimSearchBar extends StatefulWidget {
   final bool boxShadow;
   final Function(String) onSubmitted;
   final TextInputAction textInputAction;
-
+  final Function(int) searchBarOpen;
   const AnimSearchBar({
     Key? key,
 
     /// The width cannot be null
     required this.width,
-
+    required this.searchBarOpen,
     /// The textController cannot be null
     required this.textController,
     this.suffixIcon,
@@ -137,15 +137,15 @@ class _AnimSearchBarState extends State<AnimSearchBar>
   @override
   Widget build(BuildContext context) {
     return Container(
-      height: height,
+      height: widget.height,
 
       ///if the rtl is true, search bar will be from right to left
       alignment: widget.rtl ? Alignment.centerRight : Alignment(-1.0, 0.0),
 
       ///Using Animated container to expand and shrink the widget
       child: AnimatedContainer(
         duration: Duration(milliseconds: widget.animationDurationInMilli),
-        height: 48.0,
+        height: widget.height,
         width: (toggle == 0) ? 48.0 : widget.width,
         curve: Curves.easeOut,
         decoration: BoxDecoration(
@@ -360,7 +360,9 @@ class _AnimSearchBarState extends State<AnimSearchBar>
                         _con.reverse();
                       }
                     },
+
                   );
+                  widget.searchBarOpen(toggle);
                 },
               ),
             ),