flutter

卡在Running Gradle task ‘assembleTgRelease’.很久的解决方案

2022-07-06
flutter

原因：Gradle的Maven仓库在国外，速度较慢或访问超时。解决方案：设置淘宝镜像 1、修改flutter项目，android目录下的build.gradle buildscript { ext.kotlin_version = '1.3.50' repositories { //goo...

Flutter 3 发布，一文看懂新功能及特性置顶

2022-05-12
flutter
业界
前端

2022 年 5 月 11 日，Google I/O 版：Flutter 3 发布。 Flutter 3是手机/phone、桌面/desktop和WEB上进行跨平台 UI 开发之旅的高潮。Flutter 3 完成了Google从以移动为中心到多平台框架的路线图，Flutter 3提...

flutter沉浸式透明状态栏导航栏实现/状态栏颜色设置

2022-04-21
flutter

教你如何使用Flutter制作一个透明沉浸式的状态栏导航栏？或修改状态栏颜色为与你应用主题匹配的颜色？以Flutter 2.0为例，如下图： flutter2 沉浸式透明状态栏导航栏实现代码实现分为Android沉浸式和...

解决Unhandled Exception: DatabaseException(error database_closed)

2022-03-11
android
flutter
IOS

问题场景描述使用Flutter的Sqlite执行多条SQL(execute multiple SQL)>10，这中间会进行原库与SQL比对，符合条件会进行关闭db.close，再new一个实例重新db初始化等，操作中报错如下： Unhandled Exception...

解决Targeting S+ (version 31 and above) requires that one of FLAG_IMMUTABLE or FLAG_MUTABLE be specified when creating a PendingIntent

2022-03-09
android
flutter

Android 12 对Android 12的兼容适配报错： Targeting S+ (version 31 and above) requires that one of FLAG_IMMUTABLE or FLAG_MUTABLE be specified when creating a PendingIntent. Strongly consider ...

解决each Hero must have a unique non-null tag.

2022-03-08
flutter

完整错误如： Within each subtree for which heroes are to be animated (i.e. a PageRoute subtree), each Hero must have a unique non-null tag. 或者 I/flutter (8790): Another exception was t...

解决HTTP host https://maven.google.com/ is not reachable

2022-03-08
flutter

更新flutter之后运行flutter doctor 出现错误： [!] HTTP Host Availability ✗ HTTP host https://maven.google.com/ is not reachable. Reason: An error occurred while checking the HTTP host: Opera...