ViewModelProvider.AndroidViewModelFactory.getInstance(getApplication())). get(xxxViewModel .class) 发现还是创建失败 然后检查发现xxxViewModel 的构造函数有一行因为别的地方修改后报错,但是没捕获异常,修复之后就好了。
针对“cannot create an instance of viewmodel”的问题,可以从以下几个方面进行排查和解决: 检查ViewModel类的构造函数: ViewModel的构造函数不应包含除Application以外的任何参数,因为ViewModelProvider默认使用无参构造函数或通过反射使用带Application参数的构造函数来创建ViewModel实例。 如果你的ViewModel类包含除Application...
出现原因 1 viewModel 类构造 方法 没有 加public 2 如果是使用kotlin,需要替换所有的annotationProcessor 为kapt like this replace as and add
Caused by: java.lang.RuntimeException: Cannot create an instance of class com.example.jetpack.ui.lifecycles.SavedStateViewModel at androidx.lifecycle.ViewModelProvider$NewInstanceFactory.create(ViewModelProvider.java:221) at androidx.lifecycle.ViewModelProvider$AndroidViewModelFactory.create(ViewModelProvider.jav...
I got the error below. Cannot create an instance of ReactiveUI.Winforms.ReactiveUserControl`1[TViewModel] because Type.ContainsGenericParameters is true. I am using .NET5, WinForms. (on winddows10) When I designed the screen, it was disp...
1 viewModel 类构造 方法 没有 加public 2 如果是使用kotlin,需要替换所有的annotationProcessor 为kapt like this annotationProcessor"android.arch.persistence.room:compiler:$rootProject.roomVersion" replace as kapt"android.arch.persistence.room:compiler:$rootProject.roomVersion" ...
"Cannot create ActiveX Component" "Exception from HRESULT: 0x800A03EC" Unable to open excel file "Failed to compare two elements in the array." "Object reference not set to an instance of an object" error which points to my "htmlparser.Parse(sr)" "Please wait..." while file is uploadi...
An error occurred when trying to create a controller of type 'XXXController'. Make sure that the controller has a parameterless public constructor An error occurred while communicating with the remote host. The error code is 0x80070057. An error occurred while creating a controller of type 'Web...
public void setModel(JCOTableViewModel value){ this.model = value; } } JCoBean.java: public class JCoBean extends PageProcessorComponent { public DynPage getPage() { return new JCoBeanDynPage(); } public static class JCoBeanDynPage extends JSPDynPage { ...
Binding a knockout .js viewModel to MVC problem. I have tried to follow at least 5 tutorials and all of them look different from each other, nothing worked for me. I dont get any errors while building... Subaggregation leads to missing data ...