* ✨ fix typo

* setting pubspec.yaml and modify CHANGELOG.md

* fix typo

Co-authored-by: zhoujuanjuan001 <zhoujuanjuan001@ke.com>
Co-authored-by: zhoujuanjuan <15143015732@163.com>

* update TextTheme api usage

* api usage change, WhitelistingTextInputFormatter -> FilteringTextInputFormatter

* 优化radio_button的点击范围

* 更改BrnRadioCore的behavior属性默认为HitTestBehavior.translucent

* 代码修改部分格式化（AS）

* Null safe (#13)

* remove useless comments

* remove useless dependencies

* adapt brn_expandable_text.dart null-safe

* upgrade dependencies:collection to stable

* migrate constants to null safety

* migrate brn_multi_click_util to null safety

* migrate font util to null safety

* migrate brn_text_style to null safety

* migrate brn picker constants to null safety

* migrate brn appBar theme to null safety

* optimize bruno theme's import (#16)

* ♻️  [NNBD] Part 1. Migrate configs (#28)

* ♻️ [NNBD] Part 2. Migrate utils (#30)

* ♻️ Migrate utils to NNBD

* 🎨 Improve the color getter

* 🎨 BrnSearchText (#36)

* Theme: 优化单例实现，初步优化 BrnAllThemeConfig 属性获取不为 null

* refactor:优化theme,暴露非null引用

* theme:去除无用信息及优化部分代码

* theme:增加属性类型

* Theme: 优化单例实现，初步优化 BrnAllThemeConfig 属性获取不为 null (#40)

* Theme: 优化单例实现，初步优化 BrnAllThemeConfig 属性获取不为 null

* refactor:优化theme,暴露非null引用

* theme:去除无用信息及优化部分代码

* theme:增加属性类型

* 🎨 utils-EventBus添加null-safe (#23)

* 🎨 utils-EventBus添加null-safe

* 🎨 修改theme配置功能及utils/brn_tools工具函数 null-safe

* 🎨 EventBus添加null-safe(其他提交请忽略,输入回退)

Co-authored-by: 大脸儿 <hexintao521@hotmail.com>

* refactor brn_toast (#33)

* refactor brn_toast

* refactor brn_toast

* 优化修复 EventBus

* 优化 EventBus  单例实现 (#43)

* Theme: 优化单例实现，初步优化 BrnAllThemeConfig 属性获取不为 null

* refactor:优化theme,暴露非null引用

* theme:去除无用信息及优化部分代码

* theme:增加属性类型

* 优化修复 EventBus

* brn_toast time change to seconds (#45)

* migrate brn_loading to null safety (#32)

* migrate brn_loading to null safety

* mv loading content to brnString constants

* optimization brn_theme_configurator instance constructor (#47)

* 迁移example ，优化常量命名，增加export

* migrate brn_empty_status.dart

* Migrate BrnStateTag、BrnTagCustom、BrnSelectTag、BrnDeleteTag to null-safe (#46)

* [null-safe]: BrnStateTag、BrnTagCustom、BrnSelectTag、BrnDeleteTag 空安全适配

* perf: BrnDeleteTag null-safe

* 删除 BrnThemeImg

* fix:tagConfig merge方法增加判空处理

* fix:revert tagConfig

* fix:BrnAbnormalStateWidget空处理

* reset and migrated package [rating] to null-safety. (#42)

* 迁移example ，优化常量命名，增加export (#51)

* Theme: 优化单例实现，初步优化 BrnAllThemeConfig 属性获取不为 null

* refactor:优化theme,暴露非null引用

* theme:去除无用信息及优化部分代码

* theme:增加属性类型

* 优化修复 EventBus

* 迁移example ，优化常量命名，增加export

* migrate brn_empty_status.dart

* 删除 BrnThemeImg

* fix:tagConfig merge方法增加判空处理

* fix:revert tagConfig

* fix:BrnAbnormalStateWidget空处理

* 空安全报错修改 (#55)

* 空安全报错修改

* 优化sketch教程为视频教程

* Migrated  package [selectcity] to null-safety (#56)

* reset and migrated package [rating] to null-safety.

* Migrated package [selectcity] to null-safety

* 修改ISuspensionBean抽象类相关子类的空字段问题。

* Migrated package [noticebar] to null-safety

* migrate card_title to null safety (#59)

* migrate card_title to null-safety

* [fix] brn_action_card_title: _sub widget is not null

* [optimize] empty widget use SizedBox instead of Container

* replace empty widget SizedBox to SizedBox.shrink

* Migrated package [radio] to null-safety (#62)

* reset and migrated package [rating] to null-safety.

* Migrated package [selectcity] to null-safety

* 修改ISuspensionBean抽象类相关子类的空字段问题。

* Migrated package [noticebar] to null-safety

* 1.Migrated package [radio] to null-safety;
2.Modified not-need-nullable param in brn_single_select_city_page.dart;

* Migrated tabbar to null-safety

* Migrated package [guide] to null-safety (#65)

* reset and migrated package [rating] to null-safety.

* Migrated package [selectcity] to null-safety

* 修改ISuspensionBean抽象类相关子类的空字段问题。

* Migrated package [noticebar] to null-safety

* 1.Migrated package [radio] to null-safety;
2.Modified not-need-nullable param in brn_single_select_city_page.dart;

* Migrated package [guide] to null-safety

* 🚀 Use the latest Podfile for the example (#68)

* Null safe calendar (#64)

* migrate calendar widget to null safety

* brn_calendar_view fix _currentStartSelectedDate is not null

* brn_calendar_view: simplify borderRadius usage

* calendar widget late _displayMode

* calendar widget add two constructors with date change

* Card Components Null safe adapter (#53)

* feat: support fvm

* feat: Card components null-safey adpater

* refactor: make code simple and clean

* refactor: make code simple and clean

* Migrated scroll_anchor to null-safety

* fix #71 (#77)

* fix content_card themeData is not null (#79)

* Null safe of all buttons (#20)

* icon button 增加null safe

* null safe for normal button

* null safe for normal button

* null safe for button

* null safe for all button

* merge

* rebase

* rebase

* merge

* optimization

* GlobalKey is not null

* optimization

* reset popup window

* showButtonPanelPopList

Co-authored-by: foreturn <foreturn@outlook.com>

* Migrated package [navbar][input] to null-safety (#75)

* reset and migrated package [rating] to null-safety.

* Migrated package [selectcity] to null-safety

* 修改ISuspensionBean抽象类相关子类的空字段问题。

* Migrated package [noticebar] to null-safety

* 1.Migrated package [radio] to null-safety;
2.Modified not-need-nullable param in brn_single_select_city_page.dart;

* Migrated package [guide] to null-safety

* Migrated package [navbar][input] to null-safety

* Optimized codes in brn_appbar.dart

* Restore partial modification

* fix:修复迁移tabar问题

* Migrated tabbar & scroll_anchor to null-safety (#66)

* Theme: 优化单例实现，初步优化 BrnAllThemeConfig 属性获取不为 null

* refactor:优化theme,暴露非null引用

* theme:去除无用信息及优化部分代码

* theme:增加属性类型

* 优化修复 EventBus

* 迁移example ，优化常量命名，增加export

* migrate brn_empty_status.dart

* 删除 BrnThemeImg

* fix:tagConfig merge方法增加判空处理

* fix:revert tagConfig

* fix:BrnAbnormalStateWidget空处理

* Migrated tabbar to null-safety

* Migrated scroll_anchor to null-safety

* fix:修复迁移tabar问题

* Migrate Selection to null-safe (#54)

* [null-safe]: BrnStateTag、BrnTagCustom、BrnSelectTag、BrnDeleteTag 空安全适配

* perf: BrnDeleteTag null-safe

* Migrate Selection to null-safe

* Migrate Selection to null-safe

* perf:  ItemEntity name 字段的初始化

* Migrate Selection to null-safe

* migrate form to null safety

* fix：修复tabbar报错及selection警告信息

* Migrated package [dialog] to null-safety (#81)

* reset and migrated package [rating] to null-safety.

* Migrated package [selectcity] to null-safety

* 修改ISuspensionBean抽象类相关子类的空字段问题。

* Migrated package [noticebar] to null-safety

* 1.Migrated package [radio] to null-safety;
2.Modified not-need-nullable param in brn_single_select_city_page.dart;

* Migrated package [guide] to null-safety

* Migrated package [navbar][input] to null-safety

* Optimized codes in brn_appbar.dart

* Restore partial modification

* Migrated package [dialog] to null-safety

* Modified some params's default value or  nullable type

* migrate brn_horizontal_steps、brn_step_line to null safety (#89)

* migrate charts to null safety (#80)

* migrate DoughuntChart to null safety

* migrate progress bar chart to null safety

* update progress bar chart document

* migrate progress chart to null safety

* migrate radar chart to null safety

* migrate funnel chart to null safety

* migrate broken line chart to null safety

* fix progress bar chart some value is required

* fix progress bar chart some value is required

* fix brn_line_paint _path is not null

* fix brn_funnel_chart properties is not null

* fix brn_radar_chart properties is not null

* fix brn_line_painter not null values

* fix brn_progress_bar_chart error

* brn_broken_line some properties is not null value

* replace empty Container to SizedBox.shrink

* update progress_bar_chart null safety value by hand

* update broken_line null safety values by hand

* update funnel_chart null safety value by hand

* make LineCanvasModel immutable

* migrate actionsheet into null-safe (#73)

* migrate actionsheet into null-safe

* sheet: code review

Co-authored-by: yuanjunliang <yuanjunliang1@flkj.ai>

* fix:修复迁移问题

* fix:优化迁移部分问题key和style非空问题

* migrate form to null safety (#86)

* Theme: 优化单例实现，初步优化 BrnAllThemeConfig 属性获取不为 null

* refactor:优化theme,暴露非null引用

* theme:去除无用信息及优化部分代码

* theme:增加属性类型

* 优化修复 EventBus

* 迁移example ，优化常量命名，增加export

* migrate brn_empty_status.dart

* 删除 BrnThemeImg

* fix:tagConfig merge方法增加判空处理

* fix:revert tagConfig

* fix:BrnAbnormalStateWidget空处理

* Migrated tabbar to null-safety

* Migrated scroll_anchor to null-safety

* fix:修复迁移tabar问题

* migrate form to null safety

* fix：修复tabbar报错及selection警告信息

* fix:修复迁移问题

* fix:优化迁移部分问题key和style非空问题

* migrate picker to null safety

* migrate popup to null safety (#69)

* migrate popup to null safety

* fix MeasureSize null safe problems

* fix popup migrate to null-safety review problems

* migrate gallery to null safety (#90)

* migrate gallery to null safety

* change the type error

* remove @

* change String? to String

* fix:修复picker空安全迁移问题

* migrate appraise dir to null safety (#84)

* migrate appraise dir to null safety

* fix appraise migrate to null-safety review problems

* fix:修复list没指定泛型及if判断错误问题

* fix:migrate dashed line to null safty

* migrate picker to null safety (#91)

* Theme: 优化单例实现，初步优化 BrnAllThemeConfig 属性获取不为 null

* refactor:优化theme,暴露非null引用

* theme:去除无用信息及优化部分代码

* theme:增加属性类型

* 优化修复 EventBus

* 迁移example ，优化常量命名，增加export

* migrate brn_empty_status.dart

* 删除 BrnThemeImg

* fix:tagConfig merge方法增加判空处理

* fix:revert tagConfig

* fix:BrnAbnormalStateWidget空处理

* Migrated tabbar to null-safety

* Migrated scroll_anchor to null-safety

* fix:修复迁移tabar问题

* migrate form to null safety

* fix：修复tabbar报错及selection警告信息

* fix:修复迁移问题

* fix:优化迁移部分问题key和style非空问题

* migrate picker to null safety

* fix:修复picker空安全迁移问题

* fix:修复list没指定泛型及if判断错误问题

* fix:migrate dashed line to null safty

* migrate example to null safty

* fix:修复部分example warning

* fix:修复demo报错问题

* fix:追加未跟踪修复

* fix:优化部分接口可空参数为非空

* Perf：Button Null safe (#93)

* perf: Migrate Button Null-Safe

* perf：优化 HorizontalStep Null-Safe

* fix: null exception when parse json to entity

* perf Button Null-Safe,
fix NullException
perf  more layer  icon  color when item selected

* migrate example to null safety (#94)

* Theme: 优化单例实现，初步优化 BrnAllThemeConfig 属性获取不为 null

* refactor:优化theme,暴露非null引用

* theme:去除无用信息及优化部分代码

* theme:增加属性类型

* 优化修复 EventBus

* 迁移example ，优化常量命名，增加export

* migrate brn_empty_status.dart

* 删除 BrnThemeImg

* fix:tagConfig merge方法增加判空处理

* fix:revert tagConfig

* fix:BrnAbnormalStateWidget空处理

* Migrated tabbar to null-safety

* Migrated scroll_anchor to null-safety

* fix:修复迁移tabar问题

* migrate form to null safety

* fix：修复tabbar报错及selection警告信息

* fix:修复迁移问题

* fix:优化迁移部分问题key和style非空问题

* migrate picker to null safety

* fix:修复picker空安全迁移问题

* fix:修复list没指定泛型及if判断错误问题

* fix:migrate dashed line to null safty

* migrate example to null safty

* fix:修复部分example warning

* fix:修复demo报错问题

* fix:追加未跟踪修复

* fix:优化部分接口可空参数为非空

Co-authored-by: violinday <flwh123@sina.com>

* fix:修复tabar showmore overflow 问题 #98 以及 tabbar 标签颜色默认设置倒置问题

* Fix #98 问题及优化部分代码 (#99)

* Theme: 优化单例实现，初步优化 BrnAllThemeConfig 属性获取不为 null

* refactor:优化theme,暴露非null引用

* theme:去除无用信息及优化部分代码

* theme:增加属性类型

* 优化修复 EventBus

* 迁移example ，优化常量命名，增加export

* migrate brn_empty_status.dart

* 删除 BrnThemeImg

* fix:tagConfig merge方法增加判空处理

* fix:revert tagConfig

* fix:BrnAbnormalStateWidget空处理

* Migrated tabbar to null-safety

* Migrated scroll_anchor to null-safety

* fix:修复迁移tabar问题

* migrate form to null safety

* fix：修复tabbar报错及selection警告信息

* fix:修复迁移问题

* fix:优化迁移部分问题key和style非空问题

* migrate picker to null safety

* fix:修复picker空安全迁移问题

* fix:修复list没指定泛型及if判断错误问题

* fix:migrate dashed line to null safty

* migrate example to null safty

* fix:修复部分example warning

* fix:修复demo报错问题

* fix:追加未跟踪修复

* fix:优化部分接口可空参数为非空

* fix:修复tabar showmore overflow 问题 #98 以及 tabbar 标签颜色默认设置倒置问题

Co-authored-by: violinday <flwh123@sina.com>

* refactor:优化 BrnInputItemType 常量命名

* refactor:优化枚举值命名

* fix:修改docs目录下form相关常量命名及所有枚举命名

* 优化 BrnInputItemType 常量命名 (#100)

* Theme: 优化单例实现，初步优化 BrnAllThemeConfig 属性获取不为 null

* refactor:优化theme,暴露非null引用

* theme:去除无用信息及优化部分代码

* theme:增加属性类型

* 优化修复 EventBus

* 迁移example ，优化常量命名，增加export

* migrate brn_empty_status.dart

* 删除 BrnThemeImg

* fix:tagConfig merge方法增加判空处理

* fix:revert tagConfig

* fix:BrnAbnormalStateWidget空处理

* Migrated tabbar to null-safety

* Migrated scroll_anchor to null-safety

* fix:修复迁移tabar问题

* migrate form to null safety

* fix：修复tabbar报错及selection警告信息

* fix:修复迁移问题

* fix:优化迁移部分问题key和style非空问题

* migrate picker to null safety

* fix:修复picker空安全迁移问题

* fix:修复list没指定泛型及if判断错误问题

* fix:migrate dashed line to null safty

* migrate example to null safty

* fix:修复部分example warning

* fix:修复demo报错问题

* fix:追加未跟踪修复

* fix:优化部分接口可空参数为非空

* fix:修复tabar showmore overflow 问题 #98 以及 tabbar 标签颜色默认设置倒置问题

* refactor:优化 BrnInputItemType 常量命名

* refactor:优化枚举值命名

* fix:修改docs目录下form相关常量命名及所有枚举命名

Co-authored-by: violinday <flwh123@sina.com>

* refactor: 更新 changelog

* refactor:BrnBubbleText 增加属性 bgColor、textStyle,修复demo  actionSheet、gallery、selection、picker错误

* fix:修复changelog 错误，brn_gallery_summary_page.dart 中标题空处理

* fix:修复部分问题

* fix:修复部分问题

Co-authored-by: laiiihz <laiiihz@outlook.com>
Co-authored-by: LAIIIHZ <35956195+laiiihz@users.noreply.github.com>
Co-authored-by: Alex Li <github@alexv525.com>
Co-authored-by: kalifun <37646342+kalifun@users.noreply.github.com>
Co-authored-by: kkkman22 <2594387207@qq.com>
Co-authored-by: 大脸儿 <hexintao521@hotmail.com>
Co-authored-by: leftcoding <137387869@qq.com>
Co-authored-by: violinday <flwh123@sina.com>
Co-authored-by: jojinshallar <jojinshallar@outlook.com>
Co-authored-by: HappyImp <kyluzoi@gmail.com>
Co-authored-by: Kenneth <youzicong@gmail.com>
Co-authored-by: donywan <donywan@outlook.com>
Co-authored-by: foreturn <foreturn@outlook.com>
Co-authored-by: Junl <17602153700@163.com>
Co-authored-by: yuanjunliang <yuanjunliang1@flkj.ai>
Co-authored-by: Nayuta403 <40540394+Nayuta403@users.noreply.github.com>

* Null safe (#13)

* remove useless comments

* remove useless dependencies

* adapt brn_expandable_text.dart null-safe

* upgrade dependencies:collection to stable

* migrate constants to null safety

* migrate brn_multi_click_util to null safety

* migrate font util to null safety

* migrate brn_text_style to null safety

* migrate brn picker constants to null safety

* migrate brn appBar theme to null safety

* optimize bruno theme's import (#16)

* ♻️  [NNBD] Part 1. Migrate configs (#28)

* ♻️ [NNBD] Part 2. Migrate utils (#30)

* ♻️ Migrate utils to NNBD

* 🎨 Improve the color getter

* 🎨 BrnSearchText (#36)

* Theme: 优化单例实现，初步优化 BrnAllThemeConfig 属性获取不为 null

* refactor:优化theme,暴露非null引用

* theme:去除无用信息及优化部分代码

* theme:增加属性类型

* Theme: 优化单例实现，初步优化 BrnAllThemeConfig 属性获取不为 null (#40)

* Theme: 优化单例实现，初步优化 BrnAllThemeConfig 属性获取不为 null

* refactor:优化theme,暴露非null引用

* theme:去除无用信息及优化部分代码

* theme:增加属性类型

* 🎨 utils-EventBus添加null-safe (#23)

* 🎨 utils-EventBus添加null-safe

* 🎨 修改theme配置功能及utils/brn_tools工具函数 null-safe

* 🎨 EventBus添加null-safe(其他提交请忽略,输入回退)

Co-authored-by: 大脸儿 <hexintao521@hotmail.com>

* refactor brn_toast (#33)

* refactor brn_toast

* refactor brn_toast

* 优化修复 EventBus

* 优化 EventBus  单例实现 (#43)

* Theme: 优化单例实现，初步优化 BrnAllThemeConfig 属性获取不为 null

* refactor:优化theme,暴露非null引用

* theme:去除无用信息及优化部分代码

* theme:增加属性类型

* 优化修复 EventBus

* brn_toast time change to seconds (#45)

* migrate brn_loading to null safety (#32)

* migrate brn_loading to null safety

* mv loading content to brnString constants

* optimization brn_theme_configurator instance constructor (#47)

* 迁移example ，优化常量命名，增加export

* migrate brn_empty_status.dart

* Migrate BrnStateTag、BrnTagCustom、BrnSelectTag、BrnDeleteTag to null-safe (#46)

* [null-safe]: BrnStateTag、BrnTagCustom、BrnSelectTag、BrnDeleteTag 空安全适配

* perf: BrnDeleteTag null-safe

* 删除 BrnThemeImg

* fix:tagConfig merge方法增加判空处理

* fix:revert tagConfig

* fix:BrnAbnormalStateWidget空处理

* reset and migrated package [rating] to null-safety. (#42)

* 迁移example ，优化常量命名，增加export (#51)

* Theme: 优化单例实现，初步优化 BrnAllThemeConfig 属性获取不为 null

* refactor:优化theme,暴露非null引用

* theme:去除无用信息及优化部分代码

* theme:增加属性类型

* 优化修复 EventBus

* 迁移example ，优化常量命名，增加export

* migrate brn_empty_status.dart

* 删除 BrnThemeImg

* fix:tagConfig merge方法增加判空处理

* fix:revert tagConfig

* fix:BrnAbnormalStateWidget空处理

* 空安全报错修改 (#55)

* 空安全报错修改

* 优化sketch教程为视频教程

* Migrated  package [selectcity] to null-safety (#56)

* reset and migrated package [rating] to null-safety.

* Migrated package [selectcity] to null-safety

* 修改ISuspensionBean抽象类相关子类的空字段问题。

* Migrated package [noticebar] to null-safety

* migrate card_title to null safety (#59)

* migrate card_title to null-safety

* [fix] brn_action_card_title: _sub widget is not null

* [optimize] empty widget use SizedBox instead of Container

* replace empty widget SizedBox to SizedBox.shrink

* Migrated package [radio] to null-safety (#62)

* reset and migrated package [rating] to null-safety.

* Migrated package [selectcity] to null-safety

* 修改ISuspensionBean抽象类相关子类的空字段问题。

* Migrated package [noticebar] to null-safety

* 1.Migrated package [radio] to null-safety;
2.Modified not-need-nullable param in brn_single_select_city_page.dart;

* Migrated tabbar to null-safety

* Migrated package [guide] to null-safety (#65)

* reset and migrated package [rating] to null-safety.

* Migrated package [selectcity] to null-safety

* 修改ISuspensionBean抽象类相关子类的空字段问题。

* Migrated package [noticebar] to null-safety

* 1.Migrated package [radio] to null-safety;
2.Modified not-need-nullable param in brn_single_select_city_page.dart;

* Migrated package [guide] to null-safety

* 🚀 Use the latest Podfile for the example (#68)

* Null safe calendar (#64)

* migrate calendar widget to null safety

* brn_calendar_view fix _currentStartSelectedDate is not null

* brn_calendar_view: simplify borderRadius usage

* calendar widget late _displayMode

* calendar widget add two constructors with date change

* Card Components Null safe adapter (#53)

* feat: support fvm

* feat: Card components null-safey adpater

* refactor: make code simple and clean

* refactor: make code simple and clean

* Migrated scroll_anchor to null-safety

* fix #71 (#77)

* fix content_card themeData is not null (#79)

* Null safe of all buttons (#20)

* icon button 增加null safe

* null safe for normal button

* null safe for normal button

* null safe for button

* null safe for all button

* merge

* rebase

* rebase

* merge

* optimization

* GlobalKey is not null

* optimization

* reset popup window

* showButtonPanelPopList

Co-authored-by: foreturn <foreturn@outlook.com>

* Migrated package [navbar][input] to null-safety (#75)

* reset and migrated package [rating] to null-safety.

* Migrated package [selectcity] to null-safety

* 修改ISuspensionBean抽象类相关子类的空字段问题。

* Migrated package [noticebar] to null-safety

* 1.Migrated package [radio] to null-safety;
2.Modified not-need-nullable param in brn_single_select_city_page.dart;

* Migrated package [guide] to null-safety

* Migrated package [navbar][input] to null-safety

* Optimized codes in brn_appbar.dart

* Restore partial modification

* fix:修复迁移tabar问题

* Migrated tabbar & scroll_anchor to null-safety (#66)

* Theme: 优化单例实现，初步优化 BrnAllThemeConfig 属性获取不为 null

* refactor:优化theme,暴露非null引用

* theme:去除无用信息及优化部分代码

* theme:增加属性类型

* 优化修复 EventBus

* 迁移example ，优化常量命名，增加export

* migrate brn_empty_status.dart

* 删除 BrnThemeImg

* fix:tagConfig merge方法增加判空处理

* fix:revert tagConfig

* fix:BrnAbnormalStateWidget空处理

* Migrated tabbar to null-safety

* Migrated scroll_anchor to null-safety

* fix:修复迁移tabar问题

* Migrate Selection to null-safe (#54)

* [null-safe]: BrnStateTag、BrnTagCustom、BrnSelectTag、BrnDeleteTag 空安全适配

* perf: BrnDeleteTag null-safe

* Migrate Selection to null-safe

* Migrate Selection to null-safe

* perf:  ItemEntity name 字段的初始化

* Migrate Selection to null-safe

* migrate form to null safety

* fix：修复tabbar报错及selection警告信息

* Migrated package [dialog] to null-safety (#81)

* reset and migrated package [rating] to null-safety.

* Migrated package [selectcity] to null-safety

* 修改ISuspensionBean抽象类相关子类的空字段问题。

* Migrated package [noticebar] to null-safety

* 1.Migrated package [radio] to null-safety;
2.Modified not-need-nullable param in brn_single_select_city_page.dart;

* Migrated package [guide] to null-safety

* Migrated package [navbar][input] to null-safety

* Optimized codes in brn_appbar.dart

* Restore partial modification

* Migrated package [dialog] to null-safety

* Modified some params's default value or  nullable type

* migrate brn_horizontal_steps、brn_step_line to null safety (#89)

* migrate charts to null safety (#80)

* migrate DoughuntChart to null safety

* migrate progress bar chart to null safety

* update progress bar chart document

* migrate progress chart to null safety

* migrate radar chart to null safety

* migrate funnel chart to null safety

* migrate broken line chart to null safety

* fix progress bar chart some value is required

* fix progress bar chart some value is required

* fix brn_line_paint _path is not null

* fix brn_funnel_chart properties is not null

* fix brn_radar_chart properties is not null

* fix brn_line_painter not null values

* fix brn_progress_bar_chart error

* brn_broken_line some properties is not null value

* replace empty Container to SizedBox.shrink

* update progress_bar_chart null safety value by hand

* update broken_line null safety values by hand

* update funnel_chart null safety value by hand

* make LineCanvasModel immutable

* migrate actionsheet into null-safe (#73)

* migrate actionsheet into null-safe

* sheet: code review

Co-authored-by: yuanjunliang <yuanjunliang1@flkj.ai>

* fix:修复迁移问题

* fix:优化迁移部分问题key和style非空问题

* migrate form to null safety (#86)

* Theme: 优化单例实现，初步优化 BrnAllThemeConfig 属性获取不为 null

* refactor:优化theme,暴露非null引用

* theme:去除无用信息及优化部分代码

* theme:增加属性类型

* 优化修复 EventBus

* 迁移example ，优化常量命名，增加export

* migrate brn_empty_status.dart

* 删除 BrnThemeImg

* fix:tagConfig merge方法增加判空处理

* fix:revert tagConfig

* fix:BrnAbnormalStateWidget空处理

* Migrated tabbar to null-safety

* Migrated scroll_anchor to null-safety

* fix:修复迁移tabar问题

* migrate form to null safety

* fix：修复tabbar报错及selection警告信息

* fix:修复迁移问题

* fix:优化迁移部分问题key和style非空问题

* migrate picker to null safety

* migrate popup to null safety (#69)

* migrate popup to null safety

* fix MeasureSize null safe problems

* fix popup migrate to null-safety review problems

* migrate gallery to null safety (#90)

* migrate gallery to null safety

* change the type error

* remove @

* change String? to String

* fix:修复picker空安全迁移问题

* migrate appraise dir to null safety (#84)

* migrate appraise dir to null safety

* fix appraise migrate to null-safety review problems

* fix:修复list没指定泛型及if判断错误问题

* fix:migrate dashed line to null safty

* migrate picker to null safety (#91)

* Theme: 优化单例实现，初步优化 BrnAllThemeConfig 属性获取不为 null

* refactor:优化theme,暴露非null引用

* theme:去除无用信息及优化部分代码

* theme:增加属性类型

* 优化修复 EventBus

* 迁移example ，优化常量命名，增加export

* migrate brn_empty_status.dart

* 删除 BrnThemeImg

* fix:tagConfig merge方法增加判空处理

* fix:revert tagConfig

* fix:BrnAbnormalStateWidget空处理

* Migrated tabbar to null-safety

* Migrated scroll_anchor to null-safety

* fix:修复迁移tabar问题

* migrate form to null safety

* fix：修复tabbar报错及selection警告信息

* fix:修复迁移问题

* fix:优化迁移部分问题key和style非空问题

* migrate picker to null safety

* fix:修复picker空安全迁移问题

* fix:修复list没指定泛型及if判断错误问题

* fix:migrate dashed line to null safty

* migrate example to null safty

* fix:修复部分example warning

* fix:修复demo报错问题

* fix:追加未跟踪修复

* fix:优化部分接口可空参数为非空

* Perf：Button Null safe (#93)

* perf: Migrate Button Null-Safe

* perf：优化 HorizontalStep Null-Safe

* fix: null exception when parse json to entity

* perf Button Null-Safe,
fix NullException
perf  more layer  icon  color when item selected

* migrate example to null safety (#94)

* Theme: 优化单例实现，初步优化 BrnAllThemeConfig 属性获取不为 null

* refactor:优化theme,暴露非null引用

* theme:去除无用信息及优化部分代码

* theme:增加属性类型

* 优化修复 EventBus

* 迁移example ，优化常量命名，增加export

* migrate brn_empty_status.dart

* 删除 BrnThemeImg

* fix:tagConfig merge方法增加判空处理

* fix:revert tagConfig

* fix:BrnAbnormalStateWidget空处理

* Migrated tabbar to null-safety

* Migrated scroll_anchor to null-safety

* fix:修复迁移tabar问题

* migrate form to null safety

* fix：修复tabbar报错及selection警告信息

* fix:修复迁移问题

* fix:优化迁移部分问题key和style非空问题

* migrate picker to null safety

* fix:修复picker空安全迁移问题

* fix:修复list没指定泛型及if判断错误问题

* fix:migrate dashed line to null safty

* migrate example to null safty

* fix:修复部分example warning

* fix:修复demo报错问题

* fix:追加未跟踪修复

* fix:优化部分接口可空参数为非空

Co-authored-by: violinday <flwh123@sina.com>

* fix:修复tabar showmore overflow 问题 #98 以及 tabbar 标签颜色默认设置倒置问题

* Fix #98 问题及优化部分代码 (#99)

* Theme: 优化单例实现，初步优化 BrnAllThemeConfig 属性获取不为 null

* refactor:优化theme,暴露非null引用

* theme:去除无用信息及优化部分代码

* theme:增加属性类型

* 优化修复 EventBus

* 迁移example ，优化常量命名，增加export

* migrate brn_empty_status.dart

* 删除 BrnThemeImg

* fix:tagConfig merge方法增加判空处理

* fix:revert tagConfig

* fix:BrnAbnormalStateWidget空处理

* Migrated tabbar to null-safety

* Migrated scroll_anchor to null-safety

* fix:修复迁移tabar问题

* migrate form to null safety

* fix：修复tabbar报错及selection警告信息

* fix:修复迁移问题

* fix:优化迁移部分问题key和style非空问题

* migrate picker to null safety

* fix:修复picker空安全迁移问题

* fix:修复list没指定泛型及if判断错误问题

* fix:migrate dashed line to null safty

* migrate example to null safty

* fix:修复部分example warning

* fix:修复demo报错问题

* fix:追加未跟踪修复

* fix:优化部分接口可空参数为非空

* fix:修复tabar showmore overflow 问题 #98 以及 tabbar 标签颜色默认设置倒置问题

Co-authored-by: violinday <flwh123@sina.com>

* refactor:优化 BrnInputItemType 常量命名

* refactor:优化枚举值命名

* fix:修改docs目录下form相关常量命名及所有枚举命名

* 优化 BrnInputItemType 常量命名 (#100)

* Theme: 优化单例实现，初步优化 BrnAllThemeConfig 属性获取不为 null

* refactor:优化theme,暴露非null引用

* theme:去除无用信息及优化部分代码

* theme:增加属性类型

* 优化修复 EventBus

* 迁移example ，优化常量命名，增加export

* migrate brn_empty_status.dart

* 删除 BrnThemeImg

* fix:tagConfig merge方法增加判空处理

* fix:revert tagConfig

* fix:BrnAbnormalStateWidget空处理

* Migrated tabbar to null-safety

* Migrated scroll_anchor to null-safety

* fix:修复迁移tabar问题

* migrate form to null safety

* fix：修复tabbar报错及selection警告信息

* fix:修复迁移问题

* fix:优化迁移部分问题key和style非空问题

* migrate picker to null safety

* fix:修复picker空安全迁移问题

* fix:修复list没指定泛型及if判断错误问题

* fix:migrate dashed line to null safty

* migrate example to null safty

* fix:修复部分example warning

* fix:修复demo报错问题

* fix:追加未跟踪修复

* fix:优化部分接口可空参数为非空

* fix:修复tabar showmore overflow 问题 #98 以及 tabbar 标签颜色默认设置倒置问题

* refactor:优化 BrnInputItemType 常量命名

* refactor:优化枚举值命名

* fix:修改docs目录下form相关常量命名及所有枚举命名

Co-authored-by: violinday <flwh123@sina.com>

* refactor: 更新 changelog

* refactor:BrnBubbleText 增加属性 bgColor、textStyle,修复demo  actionSheet、gallery、selection、picker错误

* fix:修复changelog 错误，brn_gallery_summary_page.dart 中标题空处理

* fix:修复部分问题

* fix:修复部分问题

* migrate docs to null-safety

* feat:changelog 增加 BrnHorizontalStepsManager 改动

* fix:优化changelog

Co-authored-by: laiiihz <laiiihz@outlook.com>
Co-authored-by: LAIIIHZ <35956195+laiiihz@users.noreply.github.com>
Co-authored-by: Alex Li <github@alexv525.com>
Co-authored-by: kalifun <37646342+kalifun@users.noreply.github.com>
Co-authored-by: kkkman22 <2594387207@qq.com>
Co-authored-by: 大脸儿 <hexintao521@hotmail.com>
Co-authored-by: leftcoding <137387869@qq.com>
Co-authored-by: violinday <flwh123@sina.com>
Co-authored-by: jojinshallar <jojinshallar@outlook.com>
Co-authored-by: HappyImp <kyluzoi@gmail.com>
Co-authored-by: Kenneth <youzicong@gmail.com>
Co-authored-by: donywan <donywan@outlook.com>
Co-authored-by: foreturn <foreturn@outlook.com>
Co-authored-by: Junl <17602153700@163.com>
Co-authored-by: yuanjunliang <yuanjunliang1@flkj.ai>
Co-authored-by: Nayuta403 <40540394+Nayuta403@users.noreply.github.com>

* merge null safe to 2.2.x

* remove dialogStyle

* master: (25 commits)
  Release master (#124)
  fix:code style format and update changelog (#123)
  Merge 2.2.x into branch master (#119)
  Update issue templates (#41)
  👷 Add build test (#25)
  🌱 add the demo and apk tips  (#11)
  top null-safe question
  update demo qrcode
  update demo
  update the dev resource sites URL (#4)
  change README.md img size
  change README.md img size
  update demo download
  Update README.md
  update docs's links
  Fix 项目文档
  FAQ.md
  Optimize docs
  Update brn_dialog.dart
  pref: Optimize form tabBar StepLine NavBar demo display
  ...

# Conflicts:
#	CHANGELOG.md
#	README.md
#	docs/components/actionsheet/BrnCommonActionSheet/BrnCommonActionSheet.md
#	example/lib/sample/components/actionsheet/actionsheet_entry_page.dart
#	example/lib/sample/components/actionsheet/actionsheet_selected_list_example.dart
#	example/lib/sample/components/button/selection_collection_example.dart
#	example/lib/sample/components/card/bubble/brn_expanded_bubble_example.dart
#	example/lib/sample/components/card/content/keyvalue_align_content_example.dart
#	example/lib/sample/components/card/content/keyvalue_close_content_example.dart
#	example/lib/sample/components/charts/chart_entry_example.dart
#	example/lib/sample/components/charts/line/brn_broken_line_example.dart
#	example/lib/sample/components/charts/line/db_data_node_model.dart
#	example/lib/sample/components/dialog/dialog_entry_page.dart
#	example/lib/sample/components/form/form_item_entry_example.dart
#	example/lib/sample/components/form/form_page_example.dart
#	example/lib/sample/components/form/items_example/multi_choice_example.dart
#	example/lib/sample/components/form/items_example/text_quick_select_input_example.dart
#	example/lib/sample/components/gallery/gallery_example.dart
#	example/lib/sample/components/input/input_example.dart
#	example/lib/sample/components/line/dashed_line_example.dart
#	example/lib/sample/components/picker/picker_entry_page.dart
#	example/lib/sample/components/popup/overlay_window_example.dart
#	example/lib/sample/components/popup/popwindow_example.dart
#	example/lib/sample/components/rating/rating_example.dart
#	example/lib/sample/components/selectcity/selected_city_example.dart
#	example/lib/sample/components/selection/filter_entity.dart
#	example/lib/sample/components/selection/flat_selection_five_tags_example.dart
#	example/lib/sample/components/selection/flat_selection_four_tags_example.dart
#	example/lib/sample/components/selection/flat_selection_three_tags_example.dart
#	example/lib/sample/components/selection/selection_entry_page.dart
#	example/lib/sample/components/selection/selection_flat_entry_page.dart
#	example/lib/sample/components/selection/selectionview_custom_floating_layer_example.dart
#	example/lib/sample/components/selection/selectionview_customhandle_filter_example_page.dart
#	example/lib/sample/components/selection/selectionview_customview_example_page.dart
#	example/lib/sample/components/selection/selectionview_date_filter_example_page.dart
#	example/lib/sample/components/selection/selectionview_date_range_example_page.dart
#	example/lib/sample/components/selection/selectionview_interceptor_example.dart
#	example/lib/sample/components/selection/selectionview_limit_max_selected_count_example.dart
#	example/lib/sample/components/selection/selectionview_multi_list_example_page.dart
#	example/lib/sample/components/selection/selectionview_multi_range_example_page.dart
#	example/lib/sample/components/selection/selectionview_simple_multi_check_example_page.dart
#	example/lib/sample/components/selection/selectionview_simple_single_list_example_page.dart
#	example/lib/sample/components/step/brn_horizontal_step_example.dart
#	example/lib/sample/components/step/step_line_example.dart
#	example/lib/sample/components/tabbar/brn_switch_title_example.dart
#	example/lib/sample/components/tabbar/brn_tab_example.dart
#	example/lib/sample/components/tabbar/brn_tabbar_sticky_example.dart
#	example/lib/sample/components/tag/select_tag_example.dart
#	example/lib/sample/components/toast/toast_example.dart
#	example/lib/sample/home/card_data_config.dart
#	example/lib/sample/home/expandable_container_widget.dart
#	example/lib/sample/home/group_card.dart
#	example/lib/sample/theme/config_test_utils.dart
#	example/pubspec.yaml
#	lib/src/components/appraise/brn_appraise_header.dart
#	lib/src/components/appraise/brn_appraise_interface.dart
#	lib/src/components/button/brn_icon_button.dart
#	lib/src/components/button/brn_small_main_button.dart
#	lib/src/components/button/brn_small_outline_button.dart
#	lib/src/components/button/collection/brn_bottom_button_panel.dart
#	lib/src/components/button/collection/brn_button_panel.dart
#	lib/src/components/button/collection/brn_multiple_bottom_button.dart
#	lib/src/components/calendar/brn_calendar_view.dart
#	lib/src/components/card/bubble_card/brn_bubble_text.dart
#	lib/src/components/card/content_card/brn_enhance_number_card.dart
#	lib/src/components/card/content_card/brn_pair_info_rich_grid.dart
#	lib/src/components/charts/brn_progress_bar_chart/brn_bar_chart_data.dart
#	lib/src/components/charts/brn_progress_bar_chart/brn_progress_bar_chart_painter.dart
#	lib/src/components/empty/brn_empty_status.dart
#	lib/src/components/form/base/brn_form_item_type.dart
#	lib/src/components/form/base/input_item_interface.dart
#	lib/src/components/form/items/general/brn_multi_choice_input_item.dart
#	lib/src/components/form/items/general/brn_multi_choice_portrait_input_item.dart
#	lib/src/components/form/items/general/brn_quick_select_input_item.dart
#	lib/src/components/form/items/general/brn_radio_input_item.dart
#	lib/src/components/form/items/general/brn_range_input_item.dart
#	lib/src/components/form/items/general/brn_ratio_input_item.dart
#	lib/src/components/form/items/general/brn_text_block_input_item.dart
#	lib/src/components/form/items/general/brn_text_input_item.dart
#	lib/src/components/form/items/general/brn_text_select_item.dart
#	lib/src/components/form/items/group/brn_expandable_group.dart
#	lib/src/components/form/items/group/brn_portrait_radio_group.dart
#	lib/src/components/form/items/group/element_expand_widget.dart
#	lib/src/components/form/items/misc/brn_title_item.dart
#	lib/src/components/form/items/title/brn_base_title_item.dart
#	lib/src/components/form/items/title/brn_select_all_title_item.dart
#	lib/src/components/form/utils/brn_form_util.dart
#	lib/src/components/line/brn_dashed_line.dart
#	lib/src/components/navbar/brn_search_bar.dart
#	lib/src/components/picker/base/brn_picker.dart
#	lib/src/components/picker/brn_mulit_select_tags_picker.dart
#	lib/src/components/picker/brn_multi_picker.dart
#	lib/src/components/picker/brn_select_tags_with_input_picker.dart
#	lib/src/components/picker/multi_range_picker/bean/brn_multi_column_picker_entity.dart
#	lib/src/components/picker/multi_range_picker/brn_multi_column_converter.dart
#	lib/src/components/picker/multi_range_picker/brn_multi_column_list.dart
#	lib/src/components/picker/multi_range_picker/brn_multi_column_picker_util.dart
#	lib/src/components/picker/multi_range_picker/btn_multi_column_picker_item.dart
#	lib/src/components/picker/multi_select_bottom_picker/brn_multi_select_list_picker.dart
#	lib/src/components/picker/time_picker/brn_date_picker_constants.dart
#	lib/src/components/picker/time_picker/brn_date_time_formatter.dart
#	lib/src/components/picker/time_picker/date_picker/brn_date_picker.dart
#	lib/src/components/picker/time_picker/date_picker/brn_date_widget.dart
#	lib/src/components/picker/time_picker/date_picker/brn_datetime_widget.dart
#	lib/src/components/picker/time_picker/date_range_picker/brn_date_range_picker.dart
#	lib/src/components/picker/time_picker/date_range_picker/brn_time_range_side_widget.dart
#	lib/src/components/radio/brn_checkbox.dart
#	lib/src/components/radio/brn_radio_button.dart
#	lib/src/components/scroll_anchor/brn_scroll_anchor_tab.dart
#	lib/src/components/selection/bean/brn_selection_common_entity.dart
#	lib/src/components/selection/brn_flat_selection.dart
#	lib/src/components/selection/brn_more_selection.dart
#	lib/src/components/selection/brn_selection_list_entity.dart
#	lib/src/components/selection/brn_selection_view.dart
#	lib/src/components/selection/brn_simple_selection.dart
#	lib/src/components/selection/controller/brn_selection_view_date_picker_controller.dart
#	lib/src/components/selection/converter/brn_selection_converter.dart
#	lib/src/components/selection/widget/brn_flat_selection_item.dart
#	lib/src/components/selection/widget/brn_layer_more_selection_page.dart
#	lib/src/components/selection/widget/brn_selection_animate_widget.dart
#	lib/src/components/selection/widget/brn_selection_common_item_widget.dart
#	lib/src/components/selection/widget/brn_selection_date_range_item_widget.dart
#	lib/src/components/selection/widget/brn_selection_datepicker_animate_widget.dart
#	lib/src/components/selection/widget/brn_selection_list_widget.dart
#	lib/src/components/selection/widget/brn_selection_menu_widget.dart
#	lib/src/components/selection/widget/brn_selection_more_item_widget.dart
#	lib/src/components/selection/widget/brn_selection_range_input_item_widget.dart
#	lib/src/components/selection/widget/brn_selection_range_tag_widget.dart
#	lib/src/components/selection/widget/brn_selection_range_widget.dart
#	lib/src/components/selection/widget/brn_selection_single_list_widget.dart
#	lib/src/components/step/brn_horizontal_steps.dart
#	lib/src/components/step/brn_step_line.dart
#	lib/src/components/tabbar/bottom/brn_bottom_tab_bar_item.dart
#	lib/src/components/tabbar/bottom/brn_bottom_tab_bar_main.dart
#	lib/src/components/tabbar/indicator/brn_custom_width_indicator.dart
#	lib/src/components/tabbar/indicator/brn_fixed_underline_decoration.dart
#	lib/src/components/tabbar/indicator/brn_triangle_decoration.dart
#	lib/src/components/tabbar/normal/brn_switch_title.dart
#	lib/src/components/tabbar/normal/brn_tab_bar.dart
#	lib/src/components/tag/brn_state_tag.dart
#	lib/src/components/tag/brn_tag_custom.dart
#	lib/src/components/tag/tagview/brn_delete_tag.dart
#	lib/src/components/tag/tagview/brn_select_tag.dart
#	lib/src/components/toast/brn_toast.dart
#	lib/src/constants/brn_asset_constants.dart
#	lib/src/constants/brn_constants.dart
#	lib/src/theme/base/brn_default_config_utils.dart
#	lib/src/theme/brn_initializer.dart
#	lib/src/theme/brn_theme_configurator.dart
#	lib/src/theme/configs/brn_action_sheet_config.dart
#	lib/src/theme/configs/brn_appbar_config.dart
#	lib/src/theme/configs/brn_enhance_number_card_config.dart
#	lib/src/theme/configs/brn_selection_config.dart
#	lib/src/utils/brn_event_bus.dart
#	lib/src/utils/i18n/brn_date_picker_i18n.dart
#	pubspec.yaml

* master:
  fix：actionsheet title is not null (#128)
  update version to 2.1.0-nullsafety.0 (#127)
  fix:修复自定义弹窗view 错误 (#126)

# Conflicts:
#	CHANGELOG.md

)

* Null safe (#13)

* remove useless comments

* remove useless dependencies

* adapt brn_expandable_text.dart null-safe

* upgrade dependencies:collection to stable

* migrate constants to null safety

* migrate brn_multi_click_util to null safety

* migrate font util to null safety

* migrate brn_text_style to null safety

* migrate brn picker constants to null safety

* migrate brn appBar theme to null safety

* optimize bruno theme's import (#16)

* ♻️  [NNBD] Part 1. Migrate configs (#28)

* ♻️ [NNBD] Part 2. Migrate utils (#30)

* ♻️ Migrate utils to NNBD

* 🎨 Improve the color getter

* 🎨 BrnSearchText (#36)

* Theme: 优化单例实现，初步优化 BrnAllThemeConfig 属性获取不为 null

* refactor:优化theme,暴露非null引用

* theme:去除无用信息及优化部分代码

* theme:增加属性类型

* Theme: 优化单例实现，初步优化 BrnAllThemeConfig 属性获取不为 null (#40)

* Theme: 优化单例实现，初步优化 BrnAllThemeConfig 属性获取不为 null

* refactor:优化theme,暴露非null引用

* theme:去除无用信息及优化部分代码

* theme:增加属性类型

* 🎨 utils-EventBus添加null-safe (#23)

* 🎨 utils-EventBus添加null-safe

* 🎨 修改theme配置功能及utils/brn_tools工具函数 null-safe

* 🎨 EventBus添加null-safe(其他提交请忽略,输入回退)

Co-authored-by: 大脸儿 <hexintao521@hotmail.com>

* refactor brn_toast (#33)

* refactor brn_toast

* refactor brn_toast

* 优化修复 EventBus

* 优化 EventBus  单例实现 (#43)

* Theme: 优化单例实现，初步优化 BrnAllThemeConfig 属性获取不为 null

* refactor:优化theme,暴露非null引用

* theme:去除无用信息及优化部分代码

* theme:增加属性类型

* 优化修复 EventBus

* brn_toast time change to seconds (#45)

* migrate brn_loading to null safety (#32)

* migrate brn_loading to null safety

* mv loading content to brnString constants

* optimization brn_theme_configurator instance constructor (#47)

* 迁移example ，优化常量命名，增加export

* migrate brn_empty_status.dart

* Migrate BrnStateTag、BrnTagCustom、BrnSelectTag、BrnDeleteTag to null-safe (#46)

* [null-safe]: BrnStateTag、BrnTagCustom、BrnSelectTag、BrnDeleteTag 空安全适配

* perf: BrnDeleteTag null-safe

* 删除 BrnThemeImg

* fix:tagConfig merge方法增加判空处理

* fix:revert tagConfig

* fix:BrnAbnormalStateWidget空处理

* reset and migrated package [rating] to null-safety. (#42)

* 迁移example ，优化常量命名，增加export (#51)

* Theme: 优化单例实现，初步优化 BrnAllThemeConfig 属性获取不为 null

* refactor:优化theme,暴露非null引用

* theme:去除无用信息及优化部分代码

* theme:增加属性类型

* 优化修复 EventBus

* 迁移example ，优化常量命名，增加export

* migrate brn_empty_status.dart

* 删除 BrnThemeImg

* fix:tagConfig merge方法增加判空处理

* fix:revert tagConfig

* fix:BrnAbnormalStateWidget空处理

* 空安全报错修改 (#55)

* 空安全报错修改

* 优化sketch教程为视频教程

* Migrated  package [selectcity] to null-safety (#56)

* reset and migrated package [rating] to null-safety.

* Migrated package [selectcity] to null-safety

* 修改ISuspensionBean抽象类相关子类的空字段问题。

* Migrated package [noticebar] to null-safety

* migrate card_title to null safety (#59)

* migrate card_title to null-safety

* [fix] brn_action_card_title: _sub widget is not null

* [optimize] empty widget use SizedBox instead of Container

* replace empty widget SizedBox to SizedBox.shrink

* Migrated package [radio] to null-safety (#62)

* reset and migrated package [rating] to null-safety.

* Migrated package [selectcity] to null-safety

* 修改ISuspensionBean抽象类相关子类的空字段问题。

* Migrated package [noticebar] to null-safety

* 1.Migrated package [radio] to null-safety;
2.Modified not-need-nullable param in brn_single_select_city_page.dart;

* Migrated tabbar to null-safety

* Migrated package [guide] to null-safety (#65)

* reset and migrated package [rating] to null-safety.

* Migrated package [selectcity] to null-safety

* 修改ISuspensionBean抽象类相关子类的空字段问题。

* Migrated package [noticebar] to null-safety

* 1.Migrated package [radio] to null-safety;
2.Modified not-need-nullable param in brn_single_select_city_page.dart;

* Migrated package [guide] to null-safety

* 🚀 Use the latest Podfile for the example (#68)

* Null safe calendar (#64)

* migrate calendar widget to null safety

* brn_calendar_view fix _currentStartSelectedDate is not null

* brn_calendar_view: simplify borderRadius usage

* calendar widget late _displayMode

* calendar widget add two constructors with date change

* Card Components Null safe adapter (#53)

* feat: support fvm

* feat: Card components null-safey adpater

* refactor: make code simple and clean

* refactor: make code simple and clean

* Migrated scroll_anchor to null-safety

* fix #71 (#77)

* fix content_card themeData is not null (#79)

* Null safe of all buttons (#20)

* icon button 增加null safe

* null safe for normal button

* null safe for normal button

* null safe for button

* null safe for all button

* merge

* rebase

* rebase

* merge

* optimization

* GlobalKey is not null

* optimization

* reset popup window

* showButtonPanelPopList

Co-authored-by: foreturn <foreturn@outlook.com>

* Migrated package [navbar][input] to null-safety (#75)

* reset and migrated package [rating] to null-safety.

* Migrated package [selectcity] to null-safety

* 修改ISuspensionBean抽象类相关子类的空字段问题。

* Migrated package [noticebar] to null-safety

* 1.Migrated package [radio] to null-safety;
2.Modified not-need-nullable param in brn_single_select_city_page.dart;

* Migrated package [guide] to null-safety

* Migrated package [navbar][input] to null-safety

* Optimized codes in brn_appbar.dart

* Restore partial modification

* fix:修复迁移tabar问题

* Migrated tabbar & scroll_anchor to null-safety (#66)

* Theme: 优化单例实现，初步优化 BrnAllThemeConfig 属性获取不为 null

* refactor:优化theme,暴露非null引用

* theme:去除无用信息及优化部分代码

* theme:增加属性类型

* 优化修复 EventBus

* 迁移example ，优化常量命名，增加export

* migrate brn_empty_status.dart

* 删除 BrnThemeImg

* fix:tagConfig merge方法增加判空处理

* fix:revert tagConfig

* fix:BrnAbnormalStateWidget空处理

* Migrated tabbar to null-safety

* Migrated scroll_anchor to null-safety

* fix:修复迁移tabar问题

* Migrate Selection to null-safe (#54)

* [null-safe]: BrnStateTag、BrnTagCustom、BrnSelectTag、BrnDeleteTag 空安全适配

* perf: BrnDeleteTag null-safe

* Migrate Selection to null-safe

* Migrate Selection to null-safe

* perf:  ItemEntity name 字段的初始化

* Migrate Selection to null-safe

* migrate form to null safety

* fix：修复tabbar报错及selection警告信息

* Migrated package [dialog] to null-safety (#81)

* reset and migrated package [rating] to null-safety.

* Migrated package [selectcity] to null-safety

* 修改ISuspensionBean抽象类相关子类的空字段问题。

* Migrated package [noticebar] to null-safety

* 1.Migrated package [radio] to null-safety;
2.Modified not-need-nullable param in brn_single_select_city_page.dart;

* Migrated package [guide] to null-safety

* Migrated package [navbar][input] to null-safety

* Optimized codes in brn_appbar.dart

* Restore partial modification

* Migrated package [dialog] to null-safety

* Modified some params's default value or  nullable type

* migrate brn_horizontal_steps、brn_step_line to null safety (#89)

* migrate charts to null safety (#80)

* migrate DoughuntChart to null safety

* migrate progress bar chart to null safety

* update progress bar chart document

* migrate progress chart to null safety

* migrate radar chart to null safety

* migrate funnel chart to null safety

* migrate broken line chart to null safety

* fix progress bar chart some value is required

* fix progress bar chart some value is required

* fix brn_line_paint _path is not null

* fix brn_funnel_chart properties is not null

* fix brn_radar_chart properties is not null

* fix brn_line_painter not null values

* fix brn_progress_bar_chart error

* brn_broken_line some properties is not null value

* replace empty Container to SizedBox.shrink

* update progress_bar_chart null safety value by hand

* update broken_line null safety values by hand

* update funnel_chart null safety value by hand

* make LineCanvasModel immutable

* migrate actionsheet into null-safe (#73)

* migrate actionsheet into null-safe

* sheet: code review

Co-authored-by: yuanjunliang <yuanjunliang1@flkj.ai>

* fix:修复迁移问题

* fix:优化迁移部分问题key和style非空问题

* migrate form to null safety (#86)

* Theme: 优化单例实现，初步优化 BrnAllThemeConfig 属性获取不为 null

* refactor:优化theme,暴露非null引用

* theme:去除无用信息及优化部分代码

* theme:增加属性类型

* 优化修复 EventBus

* 迁移example ，优化常量命名，增加export

* migrate brn_empty_status.dart

* 删除 BrnThemeImg

* fix:tagConfig merge方法增加判空处理

* fix:revert tagConfig

* fix:BrnAbnormalStateWidget空处理

* Migrated tabbar to null-safety

* Migrated scroll_anchor to null-safety

* fix:修复迁移tabar问题

* migrate form to null safety

* fix：修复tabbar报错及selection警告信息

* fix:修复迁移问题

* fix:优化迁移部分问题key和style非空问题

* migrate picker to null safety

* migrate popup to null safety (#69)

* migrate popup to null safety

* fix MeasureSize null safe problems

* fix popup migrate to null-safety review problems

* migrate gallery to null safety (#90)

* migrate gallery to null safety

* change the type error

* remove @

* change String? to String

* fix:修复picker空安全迁移问题

* migrate appraise dir to null safety (#84)

* migrate appraise dir to null safety

* fix appraise migrate to null-safety review problems

* fix:修复list没指定泛型及if判断错误问题

* fix:migrate dashed line to null safty

* migrate picker to null safety (#91)

* Theme: 优化单例实现，初步优化 BrnAllThemeConfig 属性获取不为 null

* refactor:优化theme,暴露非null引用

* theme:去除无用信息及优化部分代码

* theme:增加属性类型

* 优化修复 EventBus

* 迁移example ，优化常量命名，增加export

* migrate brn_empty_status.dart

* 删除 BrnThemeImg

* fix:tagConfig merge方法增加判空处理

* fix:revert tagConfig

* fix:BrnAbnormalStateWidget空处理

* Migrated tabbar to null-safety

* Migrated scroll_anchor to null-safety

* fix:修复迁移tabar问题

* migrate form to null safety

* fix：修复tabbar报错及selection警告信息

* fix:修复迁移问题

* fix:优化迁移部分问题key和style非空问题

* migrate picker to null safety

* fix:修复picker空安全迁移问题

* fix:修复list没指定泛型及if判断错误问题

* fix:migrate dashed line to null safty

* migrate example to null safty

* fix:修复部分example warning

* fix:修复demo报错问题

* fix:追加未跟踪修复

* fix:优化部分接口可空参数为非空

* Perf：Button Null safe (#93)

* perf: Migrate Button Null-Safe

* perf：优化 HorizontalStep Null-Safe

* fix: null exception when parse json to entity

* perf Button Null-Safe,
fix NullException
perf  more layer  icon  color when item selected

* migrate example to null safety (#94)

* Theme: 优化单例实现，初步优化 BrnAllThemeConfig 属性获取不为 null

* refactor:优化theme,暴露非null引用

* theme:去除无用信息及优化部分代码

* theme:增加属性类型

* 优化修复 EventBus

* 迁移example ，优化常量命名，增加export

* migrate brn_empty_status.dart

* 删除 BrnThemeImg

* fix:tagConfig merge方法增加判空处理

* fix:revert tagConfig

* fix:BrnAbnormalStateWidget空处理

* Migrated tabbar to null-safety

* Migrated scroll_anchor to null-safety

* fix:修复迁移tabar问题

* migrate form to null safety

* fix：修复tabbar报错及selection警告信息

* fix:修复迁移问题

* fix:优化迁移部分问题key和style非空问题

* migrate picker to null safety

* fix:修复picker空安全迁移问题

* fix:修复list没指定泛型及if判断错误问题

* fix:migrate dashed line to null safty

* migrate example to null safty

* fix:修复部分example warning

* fix:修复demo报错问题

* fix:追加未跟踪修复

* fix:优化部分接口可空参数为非空

Co-authored-by: violinday <flwh123@sina.com>

* fix:修复tabar showmore overflow 问题 #98 以及 tabbar 标签颜色默认设置倒置问题

* Fix #98 问题及优化部分代码 (#99)

* Theme: 优化单例实现，初步优化 BrnAllThemeConfig 属性获取不为 null

* refactor:优化theme,暴露非null引用

* theme:去除无用信息及优化部分代码

* theme:增加属性类型

* 优化修复 EventBus

* 迁移example ，优化常量命名，增加export

* migrate brn_empty_status.dart

* 删除 BrnThemeImg

* fix:tagConfig merge方法增加判空处理

* fix:revert tagConfig

* fix:BrnAbnormalStateWidget空处理

* Migrated tabbar to null-safety

* Migrated scroll_anchor to null-safety

* fix:修复迁移tabar问题

* migrate form to null safety

* fix：修复tabbar报错及selection警告信息

* fix:修复迁移问题

* fix:优化迁移部分问题key和style非空问题

* migrate picker to null safety

* fix:修复picker空安全迁移问题

* fix:修复list没指定泛型及if判断错误问题

* fix:migrate dashed line to null safty

* migrate example to null safty

* fix:修复部分example warning

* fix:修复demo报错问题

* fix:追加未跟踪修复

* fix:优化部分接口可空参数为非空

* fix:修复tabar showmore overflow 问题 #98 以及 tabbar 标签颜色默认设置倒置问题

Co-authored-by: violinday <flwh123@sina.com>

* refactor:优化 BrnInputItemType 常量命名

* refactor:优化枚举值命名

* fix:修改docs目录下form相关常量命名及所有枚举命名

* 优化 BrnInputItemType 常量命名 (#100)

* Theme: 优化单例实现，初步优化 BrnAllThemeConfig 属性获取不为 null

* refactor:优化theme,暴露非null引用

* theme:去除无用信息及优化部分代码

* theme:增加属性类型

* 优化修复 EventBus

* 迁移example ，优化常量命名，增加export

* migrate brn_empty_status.dart

* 删除 BrnThemeImg

* fix:tagConfig merge方法增加判空处理

* fix:revert tagConfig

* fix:BrnAbnormalStateWidget空处理

* Migrated tabbar to null-safety

* Migrated scroll_anchor to null-safety

* fix:修复迁移tabar问题

* migrate form to null safety

* fix：修复tabbar报错及selection警告信息

* fix:修复迁移问题

* fix:优化迁移部分问题key和style非空问题

* migrate picker to null safety

* fix:修复picker空安全迁移问题

* fix:修复list没指定泛型及if判断错误问题

* fix:migrate dashed line to null safty

* migrate example to null safty

* fix:修复部分example warning

* fix:修复demo报错问题

* fix:追加未跟踪修复

* fix:优化部分接口可空参数为非空

* fix:修复tabar showmore overflow 问题 #98 以及 tabbar 标签颜色默认设置倒置问题

* refactor:优化 BrnInputItemType 常量命名

* refactor:优化枚举值命名

* fix:修改docs目录下form相关常量命名及所有枚举命名

Co-authored-by: violinday <flwh123@sina.com>

* refactor: 更新 changelog

* refactor:BrnBubbleText 增加属性 bgColor、textStyle,修复demo  actionSheet、gallery、selection、picker错误

* fix:修复changelog 错误，brn_gallery_summary_page.dart 中标题空处理

* fix:修复部分问题

* fix:修复部分问题

* migrate docs to null-safety

* feat:changelog 增加 BrnHorizontalStepsManager 改动

* fix:优化changelog

* BrnSingleSelectDialog add attribute messageText and messageWidget

* update BrnSingleSelectDialog.md

* update BrnSingleSelectDialog.md attribute desc

Co-authored-by: laiiihz <laiiihz@outlook.com>
Co-authored-by: LAIIIHZ <35956195+laiiihz@users.noreply.github.com>
Co-authored-by: Alex Li <github@alexv525.com>
Co-authored-by: kalifun <37646342+kalifun@users.noreply.github.com>
Co-authored-by: kkkman22 <2594387207@qq.com>
Co-authored-by: 大脸儿 <hexintao521@hotmail.com>
Co-authored-by: leftcoding <137387869@qq.com>
Co-authored-by: violinday <flwh123@sina.com>
Co-authored-by: jojinshallar <jojinshallar@outlook.com>
Co-authored-by: HappyImp <kyluzoi@gmail.com>
Co-authored-by: Kenneth <youzicong@gmail.com>
Co-authored-by: donywan <donywan@outlook.com>
Co-authored-by: foreturn <foreturn@outlook.com>
Co-authored-by: Junl <17602153700@163.com>
Co-authored-by: yuanjunliang <yuanjunliang1@flkj.ai>
Co-authored-by: Nayuta403 <40540394+Nayuta403@users.noreply.github.com>

…igator.push()` operation is invalid (#134)

* perf: Optimize `BrnPopupListWindow` `onItemClick` logic to aviod  `Navigator.push()` failure by user.

* perf: Optimize `BrnPopupListWindow` `onItemClick` logic to aviod  `Navigator.push()` failure by user.

* perf: Optimize `BrnPopupListWindow` `onItemClick` logic to aviod  `Navigator.push()` failure by user.

* [feature][2.2.x]: Add a Web Demo entrance;

* fix calender show error

* fix _currentEndSelectedDate is null error

* [feature][2.2.x]: Add a Web Demo entrance;

* [fix][2.2.x]:  fix BrnBottomTabBar 底部文字在特定情况下无法展示的问题。

* [fix][2.2.x]:  fix BrnToast textStyle 默认值丢失的问题

* [fix][2.2.x]:  fix BrnToast textStyle 默认值丢失的问题