docs(switch/slider/toast/touchable): add some example

Author: 2534290808

README.md

@@ -23,8 +23,8 @@ To use this plugin, add `flutter_weui` as a [dependency in your pubspec.yaml fil
 - [`Panel`](https://github.com/flutter-studio/flutter-weui/blob/master/example/lib/panel_example.dart)
 - [`Picker`](https://github.com/flutter-studio/flutter-weui/blob/master/example/lib/picker_example.dart)
 - [`Slider`](https://github.com/flutter-studio/flutter-weui/blob/master/example/lib/slider_example.dart)
-- [`Switch`]()
-- [`Toast`]()
-- [`TouchableHighlight`]()
-- [`TouchableOpacity`]()
+- [`Switch`](https://github.com/flutter-studio/flutter-weui/blob/master/example/lib/slider_example.dart)
+- [`Toast`](https://github.com/flutter-studio/flutter-weui/blob/master/example/lib/slider_example.dart)
+- [`TouchableHighlight`](https://github.com/flutter-studio/flutter-weui/blob/master/example/lib/slider_example.dart)
+- [`TouchableOpacity`](https://github.com/flutter-studio/flutter-weui/blob/master/example/lib/slider_example.dart)
 

README_zh-CN.md

@@ -23,7 +23,7 @@
 - [`Panel`](https://github.com/flutter-studio/flutter-weui/blob/master/example/lib/panel_example.dart)
 - [`Picker`](https://github.com/flutter-studio/flutter-weui/blob/master/example/lib/picker_example.dart)
 - [`Slider`](https://github.com/flutter-studio/flutter-weui/blob/master/example/lib/slider_example.dart)
-- [`Switch`]()
-- [`Toast`]()
-- [`TouchableHighlight`]()
-- [`TouchableOpacity`]()
+- [`Switch`](https://github.com/flutter-studio/flutter-weui/blob/master/example/lib/slider_example.dart)
+- [`Toast`](https://github.com/flutter-studio/flutter-weui/blob/master/example/lib/slider_example.dart)
+- [`TouchableHighlight`](https://github.com/flutter-studio/flutter-weui/blob/master/example/lib/slider_example.dart)
+- [`TouchableOpacity`](https://github.com/flutter-studio/flutter-weui/blob/master/example/lib/slider_example.dart)

example/lib/slider_example.dart

@@ -6,13 +6,48 @@ class SliderExample extends StatelessWidget {
   Widget build(BuildContext context) {
     return Scaffold(
       appBar: AppBar(
-        title: Text("Slider"),
+        title: Text("Slider、Switch、Toast、Touchable"),
       ),
       body: Center(
-        child:Column(
+        child: Column(
           children: <Widget>[
-            WSlider(),
-            WSlider(showValue: true,)
+            WSlider(
+              onChanged: (value) {},
+            ),
+            WSlider(
+              showValue: true,
+              onChanged: (value) {},
+            ),
+            WSwitch(
+              onChanged: (value) {},
+            ),
+            FlatButton(
+                onPressed: () {
+                  Toast.success(context, "success");
+                },
+                child: Text("Toast_success")),
+            FlatButton(
+                onPressed: () {
+                  Toast.loading(context, "loading");
+                  Future.delayed(const Duration(seconds: 1), () {
+                    Toast.close(context);
+                  });
+                },
+                child: Text("Toast_loading")),
+            TouchableHighlight(
+              child: Padding(
+                padding: const EdgeInsets.symmetric(vertical: 15,horizontal: 10),
+                child: Text("TouchableHightlight"),
+              ),
+              onPressed: () {},
+            ),
+            TouchableOpacity(
+              child: Padding(
+                padding: const EdgeInsets.symmetric(vertical: 15,horizontal: 10),
+                child: Text("TouchableOpacity"),
+              ),
+              onPressed: () {},
+            )
           ],
         ),
       ),