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flutter 顶部appbar下拉图片联动缩放

使用CustomScrollView+SliverAppBar+Animation实现1.展示界面import 'package:flutter/material.dart';import 'package:testflutte/mainviews/SliverAppBar.dart';class MySliverView extends StatefulWidget{@overrideState

#flutter#android#ios
flutter输入框底部下拉框

flutter输入框底部下拉框

#flutter#android
【Flutter报错:permission_handler_android-9.0.2+1引用了已弃用的方法】

permission_handler_android-9.0.2+1\android\src\main\java\com\baseflow\permissionhandler\ServiceManager.java:75: ����: [deprecation] PackageManager�е�queryIntentActivities(Intent,int)�ѹ�ʱList callAppsL

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#android#flutter
flutter 16进制色码转 Color

/// 十六进制颜色1.0x开头 例如:0xfffefefeclass ColorUtil {/// hex, 十六进制值,例如:0xffffff,/// alpha, 透明度 [0.0,1.0]static Color hexColor(int hex,{double alpha = 1}){if (alpha < 0){alpha = 0;}else if (alpha > 1){

#flutter
flutter AppBar背景渐变色

设置AppBar属性:flexibleSpaceAppBar(title: const Text('XXXXX', style: Styles.pageTitle),centerTitle: true,flexibleSpace: Container(decoration: BoxDecoration(gradient: LinearGradient(colors: [Color

#flutter#css#css3
flutter输入框宽度跟随文本长度变化

flutter输入框宽度跟随文本长度变化

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#flutter
Flutter:Because every version of flutter_localizations from sdk depends on meta 1.3.0

原因是当前使用的flutter版本中默认的是meta 1.3.0,而json_annotation >=4.1.0

#flutter#android#ios
flutter防止按钮重复点击

flutter防止按钮重复点击

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#flutter
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