Question 295883 in Flutter Question posted in
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trying to use fl_chart of flutter but when i import it i got this kind of error : Error: 'TextScaler' isn't a type

Time when trying to import fl_chart.dart it through this error

: Error: ‘TextScaler’ isn’t a type.
base_chart_painter.dart:31
final TextScaler textScaler;
^^^^^^^^^^
: Error: The getter ‘textScaler’ isn’t defined for the class ‘MediaQueryData’.
line_chart_renderer.dart:27

  • ‘MediaQueryData’ is from ‘package:flutter/src/widgets/media_query.dart’ (‘/C:/flutter/packages/flutter/lib/src/widgets/media_query.dart’).
    media_query.dart:1
    Try correcting the name to the name of an existing getter, or defining a getter or field named ‘textScaler’.

how can i solve this error

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2

Answers


  1. 0

    TextScaler was introduced in Flutter 3.16.0 to replace all textScaleFactor
    https://docs.flutter.dev/release/breaking-changes/deprecate-textscalefactor

    The package author should have updated the package’s sdk constraint to flutter: ^3.16.0 to support the new TextScaler.

    You could either update your flutter sdk to 3.16.0 up or use an older version of the package which does not introduce the new TextScaler.

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  2. 0

    Run flutter upgrade in your terminal to upgrade the Flutter SDK. See the release notes of Flutter here https://docs.flutter.dev/release/release-notes

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