88 lines
2.3 KiB
Dart
88 lines
2.3 KiB
Dart
import 'dart:async';
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import 'package:flutter/material.dart';
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import 'package:recording_tool/app/router/app_navigator.dart';
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class AppToast {
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AppToast._();
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static OverlayEntry? _entry;
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static Timer? _timer;
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static String messageOf(Object? error) {
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if (error == null) return '未知错误';
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if (error is FormatException) return error.message;
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if (error is TimeoutException) return error.message ?? '请求超时';
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var text = error.toString().trim();
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const prefix = 'Exception: ';
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while (text.startsWith(prefix)) {
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text = text.substring(prefix.length).trimLeft();
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}
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return text.isEmpty ? '未知错误' : text;
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}
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static void show(
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String message, {
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Duration duration = const Duration(seconds: 2),
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}) {
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final context = AppNavigator.context;
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if (context == null) return;
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_dismiss();
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final overlay = Overlay.maybeOf(context, rootOverlay: true);
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if (overlay == null) return;
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_entry = OverlayEntry(builder: (_) => _ToastWidget(message: message));
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overlay.insert(_entry!);
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_timer = Timer(duration, _dismiss);
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}
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static void showError(Object error) => show(messageOf(error));
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static void _dismiss() {
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_timer?.cancel();
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_timer = null;
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try {
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_entry?.remove();
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} catch (_) {
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// OverlayEntry may already be removed.
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}
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_entry = null;
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}
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}
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class _ToastWidget extends StatelessWidget {
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const _ToastWidget({required this.message});
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final String message;
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@override
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Widget build(BuildContext context) {
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return Positioned.fill(
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child: IgnorePointer(
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child: Center(
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child: Material(
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color: Colors.transparent,
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child: Container(
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constraints: BoxConstraints(
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maxWidth: MediaQuery.sizeOf(context).width * 0.8,
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),
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padding: const EdgeInsets.symmetric(horizontal: 18, vertical: 11),
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decoration: BoxDecoration(
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color: Colors.black.withValues(alpha: 0.82),
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borderRadius: BorderRadius.circular(8),
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),
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child: Text(
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message,
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textAlign: TextAlign.center,
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style: const TextStyle(color: Colors.white, fontSize: 14),
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),
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),
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),
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),
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),
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);
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}
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}
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