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flutter_field_not_map

The value of the 'flutter' field is expected to be a map.

Description

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The analyzer produces this diagnostic when the value of the flutter key isn't a map.

Example

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The following code produces this diagnostic because the value of the top-level flutter key is a string:

yaml
name: example
flutter: true

Common fixes

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If you need to specify Flutter-specific options, then change the value to be a map:

yaml
name: example
flutter:
  uses-material-design: true

If you don't need to specify Flutter-specific options, then remove the flutter key:

yaml
name: example