ZFOee8FeVt8W
问题如下， 问题示例代码： @JsonSerializable() classParent{ inta; Subsub; Parent({this.a,this.sub}) factoryParent.fromJson(Map<String,dynamic>json)=> _$ParentFromJson(json); Map<String,dynamic>toJson()=>_$ParentToJson(this); } @JsonSerializable() classSub{ Stringa; Sub((this.a)) facto...
当想要合并两个map Map<String,dynamic>a={ 'a':1, 'c':{"c1":1,"c2":1}, }; Map<String,dynamic>b={ 'b':1, 'c':{ "c1":2, }, }; 可以这么写 Map<String,dynamic>c={}..addAll(a)..addAll(b); 也可以用拓展运算符 Map<String,dynamic>c={...a,...b}; 但是结果会有一些问题，深层次的属性会被直接覆盖掉 上边运算结果如下： {a:1,c:{c1:2},b:1} 可...
安装插件后报错：完整报错如下 uses-sdk:minSdkVersion19cannotbesmallerthanversion21declaredinlibrary[:TbsFileSdk_base_armeabi_release_1.0.5.6000020.20230710103548:]C:\Users\sx\.gradle\caches\transforms-3\xxx\transformed\jetified-TbsFileSdk_base_armeabi_release_xxx\AndroidManifest.xmlasthelibrarymightbeusingAPIsnota...
报错如下： ThefollowingassertionwasthrownduringperformLayout(): AnInputDecorator,whichistypicallycreatedbyaTextField,cannothaveanunboundedwidth. Thishappenswhentheparentwidgetdoesnotprovideafinitewidthconstraint.Forexample,ifthe InputDecoratoriscontainedbyaRow,thenitswidthmustbeconstrained.AnExpandedwidg...
getx默认动画配置 GetMaterialApp( enableLog:true, defaultTransition:Transition.fade,//修改这里 opaqueRoute:Get.isOpaqueRouteDefault, popGesture:Get.isPopGestureEnable, transitionDuration:Get.defaultDurationTransition, defaultGlobalState:Get.defaultGlobalState, ); 为路由单独添加动画 GetMaterialApp( initialRoute:'/',...