flutter - 随笔分类 - papering

Flutter TextField 限制只允许输入数字、小数、字母

摘要：Flutter TextField 限制只允许输入数字、小数、字母 - flutter教程 - IT逐梦人 http://www.fc-home.cn/article/57.html 【Flutter】五、Flutter之表单输入框——TextField_flutter textfield 验证_M 阅读全文

posted @ 2023-09-21 23:34 papering 阅读(1059) 评论(0) 推荐(0)

A named channel for communicating with platform plugins using asynchronous /// message passing.

摘要：Future<void> initWithScopeLimitCredential() async { final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>( 'dev.flutter.pigeon.Cos 阅读全文

posted @ 2023-09-12 20:41 papering 阅读(55) 评论(0) 推荐(0)

Flutter图片裁剪源码

摘要：image_clipboard | Flutter Package https://pub-web.flutter-io.cn/packages/image_clipboard Flutter图片裁剪_flutter 裁剪图片_Mr大伟哥的博客-CSDN博客 https://blog.csdn.ne 阅读全文

posted @ 2023-09-11 22:58 papering 阅读(62) 评论(0) 推荐(0)

Rust build is seamlessly integrated into the Flutter build process

摘要：super_clipboard uses Rust internally to implement low-level platform specific functionality. Rather than shipping prebuilt binaries with the plugin, R 阅读全文

posted @ 2023-09-11 22:57 papering 阅读(26) 评论(0) 推荐(0)

Do not use BuildContexts across async gaps.

摘要：use_build_context_synchronously | Dart https://dart.dev/tools/linter-rules/use_build_context_synchronously 翻译搜索复制阅读全文

posted @ 2023-09-11 22:57 papering 阅读(124) 评论(0) 推荐(0)

fit 缩放形式

摘要：fit 缩放形式 fit 缩放形式对应的是BoxFit是一个枚举 contain是默认的形式,图片会在保证图片本身长宽比不变的情况下缩放以适应当前显示空间，图片不会变形。（全图显示在区域，保证高度，不会被裁剪；但是可能不能铺满显示区域） fill拉伸填充，宽高比例会发生变化，导致图片变形 cov 阅读全文

posted @ 2023-09-10 22:40 papering 阅读(78) 评论(0) 推荐(0)

Flutter区别于其他方案的关键技术是什么

摘要：04 | Flutter区别于其他方案的关键技术是什么？ https://time.geekbang.org/column/article/105703 翻译搜索复制阅读全文

posted @ 2023-09-10 13:45 papering 阅读(14) 评论(0) 推荐(0)

城市地区选择器级联选择器

摘要：级联选择 Cascader - Ant Design https://ant-design.gitee.io/components/cascader-cn city_picker_china | Flutter Package https://pub-web.flutter-io.cn/packag 阅读全文

posted @ 2023-09-09 16:33 papering 阅读(324) 评论(0) 推荐(0)

20 | 关于跨组件传递数据

摘要：20 | 关于跨组件传递数据，你只需要记住这三招 https://time.geekbang.org/column/article/116382 翻译搜索复制阅读全文

posted @ 2023-09-08 13:49 papering 阅读(34) 评论(0) 推荐(0)

双向滑动区间滑动滑动条 slider

摘要：实践 double sliderValueLeft = 18;double sliderValueRight = 100;double sliderValueMin = 18;double sliderValueMax = 100;List<double> sliderValue = [18, 10 阅读全文

posted @ 2023-09-08 13:49 papering 阅读(205) 评论(0) 推荐(0)

定义子控件在父容器中排版的位置

摘要：小结： 1、先用一个根 Widget 去包装这些子 Widget，然后把这个根 Widget 放到 Container 中，再由 Container 设置它的对齐 alignment、边距 padding 等基础属性和样式属性。 14 | 经典布局：如何定义子控件在父容器中排版的位置？ https 阅读全文

posted @ 2023-09-08 09:27 papering 阅读(45) 评论(0) 推荐(0)

视图开发命令式声明式将视图和数据分离

摘要：10 | Widget中的State到底是什么？ https://time.geekbang.org/column/article/108576 下述代码分别展示了在 Android、iOS 及原生 Javascript 中，如何将一个文本控件的展示文案更改为 Hello World： // And 阅读全文

posted @ 2023-09-02 18:28 papering 阅读(42) 评论(0) 推荐(0)

avoid_catches_without_on_clauses 避免使用没有 on 语句的 catch

摘要：avoid_catches_without_on_clauses | Dart https://dart.cn/tools/linter-rules/avoid_catches_without_on_clauses 翻译搜索复制阅读全文

posted @ 2023-09-02 16:24 papering 阅读(36) 评论(0) 推荐(0)

it is not possible with the current architecture. Isar vs Hive

摘要：The future of Hive · Issue #246 · isar/hive https://github.com/isar/hive/issues/246 翻译搜索复制阅读全文

posted @ 2023-08-30 22:28 papering 阅读(42) 评论(0) 推荐(0)

StatefulWidget StatelessWidget 有状态无状态

摘要：StatefulWidget class - widgets library - Dart API https://api.flutter.dev/flutter/widgets/StatefulWidget-class.html StatelessWidget class - widgets li 阅读全文

posted @ 2023-08-30 11:09 papering 阅读(22) 评论(0) 推荐(0)

A RenderFlex overflowed by 483 pixels on the right.

摘要：A RenderFlex overflowed by 483 pixels on the right. Flutter出现List<dynamic> is not a subtype of type List<String>解决方法_flutter list<dynamic>_codekxx的博客- 阅读全文

posted @ 2023-08-29 23:24 papering 阅读(78) 评论(0) 推荐(0)

压缩图像

摘要：对象存储快速入门-SDK 文档-文档中心-腾讯云 https://cloud.tencent.com/document/product/436/86294 tencentcloud_cos_sdk_plugin 目前兼容支持 iOS、Android，是通过 Flutter Plugin 桥接原生阅读全文

posted @ 2023-08-29 07:28 papering 阅读(85) 评论(0) 推荐(0)

Uint8List class

摘要：Uint8List class - dart:typed_data library - Dart API https://api.flutter-io.cn/flutter/dart-typed_data/Uint8List-class.html 翻译搜索复制阅读全文

posted @ 2023-07-30 18:14 papering 阅读(48) 评论(0) 推荐(0)

papering

随笔分类 - flutter