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Message Error: The Argument Type 'String?' Can't Be Assigned To The Parameter Type 'String'

- 1 answer

How to fix this? The argument type 'String?' can't be assigned to the parameter type 'String'. enter image description here

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Answer

you just need to add ! at the end of each one of your variables, so Uri.base.queryPrameters['token'] becomes Uri.base.queryPrameters['token']! of course this is assuming that your data is not null, otherwise it would give you a runtime error.

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source: stackoverflow.com
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