Answers for "Failed assertion: line 198 pos 15: 'initialValue == null || controller == null': is not true."

Failed assertion: line 198 pos 15: 'initialValue == null || controller == null': is not true.

// In class level 
final controller = TextEditingController(text: "Your initial value");

Widget build(BuildContext context) {
  return TextFormField(
    controller: controller, 
    // ...
  );
}

Posted by: Guest on September-20-2021

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Answers for "Failed assertion: line 198 pos 15: 'initialValue == null || controller == null': is not true."

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Answers for "Failed assertion: line 198 pos 15: 'initialValue == null || controller == null': is not true."

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