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Gülsen Keskin
Gülsen Keskin

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Global Key ile Snackbar Kullanımı

#flutter #dart #snackbar #globalkey

1. Snackbar oluştur: 

import 'package:flutter/material.dart'; class Utils { static final messengerKey = GlobalKey<ScaffoldMessengerState>(); static showSnackBar(String? text) { if (text == null) return; final snackBar = SnackBar( content: Text(text), backgroundColor: Colors.red, ); messengerKey.currentState! ..removeCurrentSnackBar() ..showSnackBar(snackBar); } }
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2. MaterialApp'e key i ekle 

MaterialApp( scaffoldMessengerKey: Utils.messengerKey, ...
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3. İstediğin yerde kullan 

 Utils.showSnackBar("mesajını yaz");
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