点击容器触发onTap()处理程序,但不会显示任何墨水飞溅效果。

class _MyHomePageState extends State<MyHomePage> {
  @override
  Widget build(BuildContext context) {
    return new Scaffold(
      appBar: new AppBar(
        title: new Text(widget.title),
      ),
      body: new Center(
        child: new InkWell(
          onTap: (){print("tapped");},
          child: new Container(
            width: 100.0,
            height: 100.0,
            color: Colors.orange,
          ),
        ),
      ),
    );
  }
}

我试着把InkWell放在容器里,但徒劳。


当前回答

我已经找到了这个解决方法。我认为它可以帮助你:

Material(
      color: Theme.of(context).primaryColor,
      child: InkWell(
        splashColor: Theme.of(context).primaryColorLight,
        child: Container(
          height: 100,
        ),
        onTap: () {},
      ),
    )

颜色被赋予材质小部件。它是小部件的默认颜色。 你可以使用Inkwell的splashColor属性来调整波纹效果的颜色。

其他回答

添加onTap:(){}监听器后,涟漪效应应该工作良好。如果你在InkWell()小部件中使用BoxShadow(),它就不工作了。

我遇到了一个类似的问题,将一个Inkwell添加到现有的复杂小部件中,用一个容器包装一个带有颜色的BoxDecoration。通过添加材质和墨水井,墨水井仍然被盒子装饰遮挡,所以我只是让盒子装饰的颜色稍微不透明,这样墨水井就能被看到

I ran into this same problem trying to create an alternating color of InkWell's in a ListView. In that particular case, there's a simple solution: wrap the alternates in a Container that uses a mostly transparent tint/brightness change -- the InkWell touch animation will still be visible beneath it. No Material needed. Note there are other issues when trying to work around this with a Materal -- e.g., it will override a DefaultTextStyle you're using with the default (it installs an AnimatedDefaultTextStyle) which is a huge pain.

现在使用MaterialButton,在更新的版本颤振


Widget build(BuildContext context) {
    return Padding(
      padding: const EdgeInsets.symmetric(horizontal: 16.0),
      child: MaterialButton(
        child: Text(
          labelText,
          style: TextStyle(fontSize: 22),
        ),
        onPressed: () {},
        color: backgroundColor,
        height: 45,
        minWidth: double.infinity,
        shape: RoundedRectangleBorder(
          borderRadius: BorderRadius.all(
            Radius.circular(16),
          ),
        ),
      ),
    );
  }

一行:

在InkWell中使用splashColor小部件。

InkWell(
  onTap: () {}, // Handle your onTap 
  splashColor: Colors.grey,
  child: Container(
    width: 200,
    height: 200,
  ),
)