90 lines
2.1 KiB
Dart
90 lines
2.1 KiB
Dart
import 'package:easy_localization/easy_localization.dart';
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import 'package:flutter/material.dart';
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import 'package:gap/gap.dart';
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class LoadingIndicator extends StatefulWidget {
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final bool isActive;
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final Color? backgroundColor;
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const LoadingIndicator({
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super.key,
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this.isActive = true,
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this.backgroundColor,
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});
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@override
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State<LoadingIndicator> createState() => _LoadingIndicatorState();
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}
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class _LoadingIndicatorState extends State<LoadingIndicator>
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with SingleTickerProviderStateMixin {
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late AnimationController _controller;
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late Animation<double> _animation;
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@override
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void initState() {
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super.initState();
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_controller = AnimationController(
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vsync: this,
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duration: const Duration(milliseconds: 300),
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);
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_animation = CurvedAnimation(
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parent: _controller,
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curve: Curves.easeInOut,
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);
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if (widget.isActive) {
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_controller.forward();
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} else {
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_controller.reverse();
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}
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}
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@override
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void didUpdateWidget(covariant LoadingIndicator oldWidget) {
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super.didUpdateWidget(oldWidget);
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if (widget.isActive != oldWidget.isActive) {
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if (widget.isActive) {
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_controller.forward();
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} else {
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_controller.reverse();
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}
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}
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}
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@override
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void dispose() {
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_controller.dispose();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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return SizeTransition(
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sizeFactor: _animation,
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axisAlignment: -1, // Align animation from the top
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child: Container(
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padding: const EdgeInsets.symmetric(vertical: 16, horizontal: 24),
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child: widget.isActive
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? Row(
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mainAxisAlignment: MainAxisAlignment.center,
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crossAxisAlignment: CrossAxisAlignment.center,
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children: [
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const SizedBox(
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height: 16,
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width: 16,
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child: CircularProgressIndicator(strokeWidth: 2.5),
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),
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const Gap(16),
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Text('loading').tr(),
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],
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)
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: const SizedBox.shrink(),
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),
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);
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}
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}
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