flutter中点击按钮滑动弹出弹框、变更弹框箭头

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已于 2022-05-29 20:38:55 修改

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分类专栏： flutter 文章标签： flutter android ios

于 2022-05-29 20:26:13 首次发布

本文链接：https://blog.youkuaiyun.com/qq_20426717/article/details/125035671

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这篇博客介绍了如何在Flutter中创建一个点击按钮后滑动弹出的弹框，并详细讲解了如何自定义弹框的尖端箭头，包括角度、高度和位置等参数的调整。

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import 'dart:math';
import 'dart:ui';

import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:wrapper/wrapper.dart';

class BtnPopupWidget extends StatefulWidget {
  final double spineHeight;
  final bool formEnd;
  final double width;
  final double height;
  final double angle;
  final double right;
  final double btnHeight;
  final double btnWidth;
  final Widget content;
  BtnPopupWidget( {
    Key? key,
    required this.width,
    required this.height,
    required this.btnHeight,
    required this.btnWidth,
    required this.content,
    this.spineHeight=12,
    this.angle=80,
    this.right=0,
    this.formEnd=false
  }) : super(key: key);


  @override
  State<BtnPopupWidget> createState() => _BtnPopupWidgetState();
}

class _BtnPopupWidgetState extends State<BtnPopupWidget> with SingleTickerProviderStateMixin{
  final LayerLink _layerLink = LayerLi

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