how to resize text while click on text in flutter?-CodePudding

Here is my code

Container(
          child: Positioned(
            left: offset.dx,
            top: offset.dy,
            child: GestureDetector(
                onPanUpdate: (details) {
                  setState(() {
                    offset = Offset(offset.dx   details.delta.dx, offset.dy   details.delta.dy);
                    print('offset $offset');
                  });
                },
                child: Text(_controller.text, textAlign: TextAlign.center, maxLines: 3,
                    style: TextStyle(fontWeight: FontWeight.bold, fontSize: 20.0, color: colorrr)),),
          ),
        )

CodePudding user response：

The easiest way would be for you to put the fontSize in the State of your Widget, and update it from a button or tap somewhere.

Essentially, just like you update the offset, you can update a state variable named fontSize and use it in your TextStyle.

CodePudding user response：

For resize text you may use

dependencies: auto_size_text: ^3.0.0

import dart code:

import 'package:auto_size_text/auto_size_text.dart';

GestureDetector ontap inside use that code :

 onTap: () {
            child: AutoSizeText(
              'This string will be automatically resized to fit in two lines.',
              style: TextStyle(fontSize: 30),
              maxLines: 2,
            );

Hope you will get solution . Also to know about package: https://pub.dev/packages/auto_size_text/install