Posts by NelsonThiago • 121 points
4 posts
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answer28
viewsA: How to validate if the value of one form is equal to the value of the other in the Textformfield attribute'Validator()
Just check the controller values: validator: (text) { if(text == outroController.value) { return null; } else { return 'não combinam'; } }
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answer370
viewsQ: Problem reading csv file that has comma and comma and comma
The code reads the file successfully until it hangs on line 6, which has a comma in the middle, I took the comma off line 6, and the err went to line 8 and so on. How do I read the file? ignoring…
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answers529
viewsA: Flutter - How to pass Firestore ID list to a Futurebuilder?
I believe one way to do it would be: For that you should change the statement of futureBook to an empty list. List() Future<dynamic> _makeFavoriteList() async{ Future.delayed(Duration(seconds:…
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answer445
viewsQ: Listview.Uilder does not update when removing an item from the list, but when adding yes
I have a Future Builder that takes a list, and then returns a column with a Listview.Builder() and a button below, when using the button to add an element the list updates successfully, now when…