Dart Questions

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Open / close filter menu

I have a code that is responsible for building a menu filter. it allows you to filter data by category and then by subcategory. initially,

Set width SnackBar

I'm setting up a snackbar and would like to set its maximum width, which would be limited by the width of the field for filling in information (i
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Extending class in Dart

So i have this class carprice, i want to create new car with a price with it and i want to display all the data about it, however i have no clue

Save value from dropdown list

This code is responsible for editing the user profile. the bottom line is that the user can go to the settings, change the country, city, and
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Import dart file in flutter

I'm working on a flutter project and i want to import a dart file in my main file but i don't know how to do it. i import my dart file first

Text Button in flutter

I'm new to flutter want to create below send again text as a button. how can i do that? appreciate your help on this.
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Launch link in flutter

I would like to launch custom dynamic links.. i have getter which load string text from database, this string text is user input with them

How to Hide Button in Flutter

I need to hide button untill i select one of the item from the list if i selected the item my button should be visible like
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How to filter a List in Dart

I'm getting my documentsnapshots from firebase and i'm trying to delete the document where the user id match but the userlist is always returning
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