update ios project

2024-07-24 11:51:39 +08:00
parent 876d355b18
commit 1bf69048f3
275 changed files with 3372 additions and 1015 deletions
@@ -0,0 +1,86 @@
+import 'dart:math';
+
+import 'package:flutter/material.dart';
+
+import 'circle_painter.dart';
+
+///
+/// desc:
+///
+
+class WaterMultipleCircleLoading extends StatefulWidget {
+  final Color color;
+  final Duration duration;
+  final Curve curve;
+
+  const WaterMultipleCircleLoading(
+      {Key? key,
+      this.color = Colors.white,
+      this.duration = const Duration(milliseconds: 1500),
+      this.curve = Curves.linear})
+      : super(key: key);
+
+  @override
+  _WaterMultipleCircleLoadingState createState() =>
+      _WaterMultipleCircleLoadingState();
+}
+
+class _WaterMultipleCircleLoadingState extends State<WaterMultipleCircleLoading>
+    with SingleTickerProviderStateMixin {
+  late AnimationController _controller;
+  late Animation _animation, _animation1, _animation2, _animation3;
+
+  @override
+  void initState() {
+    _controller = AnimationController(vsync: this, duration: widget.duration)
+      ..repeat();
+
+    _animation = CurveTween(curve: Interval(0.0, 0.7, curve: widget.curve))
+        .animate(_controller);
+    _animation1 = CurveTween(curve: Interval(0.15, 0.8, curve: widget.curve))
+        .animate(_controller);
+    _animation2 = CurveTween(curve: Interval(0.3, 0.9, curve: widget.curve))
+        .animate(_controller);
+    _animation3 = CurveTween(curve: Interval(0.45, 1.0, curve: widget.curve))
+        .animate(_controller);
+
+    super.initState();
+  }
+
+  @override
+  void dispose() {
+    _controller.dispose();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return AnimatedBuilder(
+        animation: _controller,
+        builder: (context, child) {
+          return Stack(
+            children: [
+              _item(_animation),
+              _item(_animation1),
+              _item(_animation2),
+              _item(_animation3),
+            ],
+          );
+        });
+  }
+
+  _item(Animation animation) {
+    return Positioned.fill(
+        child: Center(
+      child: FractionallySizedBox(
+        widthFactor: animation.value,
+        heightFactor: animation.value,
+        child: CustomPaint(
+          painter: CirclePainter(
+              progress: _controller.value,
+              color: widget.color.withOpacity(animation.value)),
+        ),
+      ),
+    ));
+  }
+}