42 lines
1.2 KiB
Dart
42 lines
1.2 KiB
Dart
import 'dart:async';
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import 'package:flutter/material.dart';
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ScaffoldFeatureController<SnackBar, SnackBarClosedReason> notifyUserX(
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ScaffoldMessengerState sm,
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String message, {
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int delaySeconds = 3,
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}) {
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final durationSeconds = _normalizeDelaySeconds(delaySeconds);
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sm.clearSnackBars();
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return sm.showSnackBar(
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SnackBar(
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content: Text(message),
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duration: Duration(seconds: durationSeconds),
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),
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);
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}
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ScaffoldFeatureController<SnackBar, SnackBarClosedReason> notifyUser(BuildContext context, String message, { int delaySeconds = 3 }) {
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return notifyUserX(ScaffoldMessenger.of(context), message, delaySeconds: delaySeconds);
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}
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Future<ScaffoldFeatureController<SnackBar, SnackBarClosedReason>> postNotifyUser(
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BuildContext context,
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String message, {
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int delaySeconds = 3,
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}) {
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final completer = Completer<ScaffoldFeatureController<SnackBar, SnackBarClosedReason>>();
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WidgetsBinding.instance.addPostFrameCallback((_) {
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final controller = notifyUser(context, message, delaySeconds: delaySeconds);
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completer.complete(controller);
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});
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return completer.future;
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}
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int _normalizeDelaySeconds(int delaySeconds) =>
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delaySeconds <= 0 ? 3 : delaySeconds;
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