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Input on focus change border flutter

Strange Shrew answered on May 13, 2022 Popularity 8/10 Helpfulness 3/10

answer Input on focus change border flutter

Input on focus change border flutter

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class MyHomePage extends StatefulWidget {
      @override
      _MyHomePageState createState() => _MyHomePageState();
    }

    class _MyHomePageState extends State<MyHomePage> {
      @override
      Widget build(BuildContext context) {
        return Center(
            child: Column(
          children: <Widget>[
            MyCustomTextField(
              title: "Testing 1",
            ),
            MyCustomTextField(
              title: "Testing 2",
            )
          ],
        ));
      }
    }

    class MyCustomTextField extends StatefulWidget {
      final String title;
      final ValueChanged<String> validator;

      MyCustomTextField({this.title, this.validator});

      @override
      _MyCustomTextFieldState createState() => _MyCustomTextFieldState();
    }

    class _MyCustomTextFieldState extends State<MyCustomTextField> {
      var _focusNode = new FocusNode();

      _focusListener() {
        setState(() {});
      }

      @override
      void initState() {
        _focusNode.addListener(_focusListener);
        super.initState();
      }

      @override
      void dispose() {
        _focusNode.removeListener(_focusListener);
        super.dispose();
      }

      @override
      Widget build(BuildContext context) {
        return TextFormField(
          autocorrect: false,
          focusNode: _focusNode,
          style: TextStyle(color: Colors.green),
          decoration: new InputDecoration(
            fillColor: Colors.white,
            border: _focusNode.hasFocus
                ? OutlineInputBorder(
                    borderRadius: BorderRadius.all(Radius.circular(5.0)),
                    borderSide: BorderSide(color: Colors.blue))
                : InputBorder.none,
            filled: true,
            contentPadding: EdgeInsets.only(bottom: 10.0, left: 10.0, right: 10.0),
            labelText: widget.title,
          ),
          validator: widget.validator,
          onSaved: (String newValue) {},
        );
      }
    }

Popularity 8/10 Helpfulness 3/10 Language whatever

Source: stackoverflow.com

Tags: border flutter focus input whatever

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Contributed on May 13 2022

Strange Shrew

0 Answers Avg Quality 2/10

Input on focus change border flutter

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