ENFlutter小部件采用现代反应式框架构建，从React中获得灵感。 中心思想是你从小部件中构建你的UI。 小组...
flutter 获取initState中的InheritedWidget参数首先，请注意，您可能确实想使用didChangeDependencies。但您不能...
问在微件的InitState中使用共享首选项导致错误EN在前面的代码中，使用fluent mybatis的mapper对表进行增删改查都没有问题。 但是fluent mybatis官方也说了，自动会生成dao层代码，将dao及其实现类都生成好了。因此也想尝试下生成的代码使用的效果。 此外，由于不想建多个project来进行测试，因此对于不同的测试，...
我发现initState和didChangeDependencies之间有一个显著的区别：initState()当新的Widget插入到树中时调用。...
我发现initState和didChangeDependencies之间有一个显著的区别：initState()当新的Widget插入到树中时调用。
``` @override voidinitState() { //initState必须调用 super.initState(); 否则报错:info: This method overrides a method annotated as @mustCallSuper in 'State', but does not invoke the overridden meth... ide flutter 其他 转载 mob604756efcf97 ...
When I know there is a method I could override, such as initState, I'd like to start typing in ini and hit control space for suggestions and ask for method override options, and hit enter to write the ast. Steps to Reproduce Start typing...
This method is also called immediately after initState. It is safe to call BuildContext.inheritFromWidgetOfExactType from this method. @overridevoiddidChangeDependencies(){super.didChangeDependencies();finalStringhoge=fuge.of(context).piyo;}
@overridevoid initState() {// initState 必须调用 super.initState(); 否则报错:info: This method overrides a method annotated as @mustCallSuper in 'State', but does not invoke the overridden method. (must_call_super at [qutoutiao_flutter] lib/routes/home/FeedList.dart:14)super.initState();_...
I/flutter (12789): Typically references to inherited widgets should occur in widget build() methods. Alternatively, I/flutter (12789): initialization based on inherited widgets can be placed in the didChangeDependencies method, which I/flutter (12789): is called after initState and whenever the ...