我正在 BottomSheetDialogFragment() 中使用 ViewModel,因此必须使用 @AndroidEntryPoint 标记我的 BottomSheet。
@AndroidEntryPoint
class SearchAddressDialog : BottomSheetDialogFragment() {
private val viewModel: MyAddressesViewModel by viewModels()
......
}
但是当我尝试构建我的项目时,它会给我这个错误:
Execution failed for task ':app:kaptDebugKotlin'.
> A failure occurred while executing
org.jetbrains.kotlin.gradle.internal.KaptWithoutKotlincTask$KaptExecutionWorkAction
> java.lang.reflect.InvocationTargetException (no error message)
* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option
to get more log output. Run with --scan to get full insights.
这是我使用 --stacktrace参数运行 的输出结果:
https://gist.github.com/javlonrahimov/95de968645cace1dfb6e425381f8014b
如果我删除 BottomSheetFragmen() 上方的 @AndroidEntryPoint,应用程序将构建并安装。但当我尝试打开底部菜单时,由于将我的 repository 注入 ViewModel,应用程序崩溃:
java.lang.RuntimeException: Cannot create an instance of class uz.unical.other.ui.my_addresses.view_model.MyAddressesViewModel
at androidx.lifecycle.ViewModelProvider$NewInstanceFactory.create(ViewModelProvider.java:221)
at androidx.lifecycle.ViewModelProvider$AndroidViewModelFactory.create(ViewModelProvider.java:278)
at androidx.lifecycle.SavedStateViewModelFactory.create(SavedStateViewModelFactory.java:112)
at androidx.lifecycle.ViewModelProvider.get(ViewModelProvider.java:185)
at androidx.lifecycle.ViewModelProvider.get(ViewModelProvider.java:150)
at androidx.lifecycle.ViewModelLazy.getValue(ViewModelProvider.kt:54)
at androidx.lifecycle.ViewModelLazy.getValue(ViewModelProvider.kt:41)
at uz.unical.other.ui.my_addresses.dialogs.SearchAddressDialog.getViewModel(SearchAddressDialog.kt:26)
at uz.unical.other.ui.my_addresses.dialogs.SearchAddressDialog.onResume(SearchAddressDialog.kt:86)
at androidx.fragment.app.Fragment.performResume(Fragment.java:3039)
at androidx.fragment.app.FragmentStateManager.resume(FragmentStateManager.java:607)
at androidx.fragment.app.FragmentStateManager.moveToExpectedState(FragmentStateManager.java:306)
at androidx.fragment.app.FragmentManager.executeOpsTogether(FragmentManager.java:2189)
at androidx.fragment.app.FragmentManager.removeRedundantOperationsAndExecute(FragmentManager.java:2100)
at androidx.fragment.app.FragmentManager.execPendingActions(FragmentManager.java:2002)
at androidx.fragment.app.FragmentManager$5.run(FragmentManager.java:524)
at android.os.Handler.handleCallback(Handler.java:938)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:246)
at android.app.ActivityThread.main(ActivityThread.java:8528)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:602)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1130)
Caused by: java.lang.InstantiationException: java.lang.Class<uz.unical.other.ui.my_addresses.view_model.MyAddressesViewModel> has no zero argument constructor
at java.lang.Class.newInstance(Native Method)
at androidx.lifecycle.ViewModelProvider$NewInstanceFactory.create(ViewModelProvider.java:219)
at androidx.lifecycle.ViewModelProvider$AndroidViewModelFactory.create(ViewModelProvider.java:278)
at androidx.lifecycle.SavedStateViewModelFactory.create(SavedStateViewModelFactory.java:112)
at androidx.lifecycle.ViewModelProvider.get(ViewModelProvider.java:185)
at androidx.lifecycle.ViewModelProvider.get(ViewModelProvider.java:150)
at androidx.lifecycle.ViewModelLazy.getValue(ViewModelProvider.kt:54)
at androidx.lifecycle.ViewModelLazy.getValue(ViewModelProvider.kt:41)
at uz.unical.other.ui.my_addresses.dialogs.SearchAddressDialog.getViewModel(SearchAddressDialog.kt:26)
at uz.unical.other.ui.my_addresses.dialogs.SearchAddressDialog.onResume(SearchAddressDialog.kt:86)
at androidx.fragment.app.Fragment.performResume(Fragment.java:3039)
at androidx.fragment.app.FragmentStateManager.resume(FragmentStateManager.java:607)
at androidx.fragment.app.FragmentStateManager.moveToExpectedState(FragmentStateManager.java:306)
at androidx.fragment.app.FragmentManager.executeOpsTogether(FragmentManager.java:2189)
at androidx.fragment.app.FragmentManager.removeRedundantOperationsAndExecute(FragmentManager.java:2100)
at androidx.fragment.app.FragmentManager.execPendingActions(FragmentManager.java:2002)
at androidx.fragment.app.FragmentManager$5.run(FragmentManager.java:524)
at android.os.Handler.handleCallback(Handler.java:938)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:246)
at android.app.ActivityThread.main(ActivityThread.java:8528)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:602)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1130)
@AndroidEntryPoint 在其他普通的 Fragment 上没有出现错误。
更新:
这是我的视图模型:
@HiltViewModel
class MyAddressesViewModel @Inject constructor(
private val repository: AddressRepository,
private val geocoderRepository: GeocoderRepository
) : ViewModel() {}
更新2:
我现在正在注释BottomSheetDialogFragment(),但是编译时出现了错误。
如果我更改了这个代码:
@AndroidEntryPoint
class SearchAddressDialog : BottomSheetDialogFragment(){
转换为这样
@AndroidEntryPoint
class SearchAddressDialog : Fragment() {
它的工作非常完美。
我是否可以在BottomSheetDialogFragment()上使用@AndroidEntryPoint进行注释?
更新3:
const val navigation_version = "2.3.5"
- Javlonuz.unical.other.ui.my_addresses.view_model.MyAddressesViewModel
- 试着将my_addresses
和view_model
包名改成没有下划线的形式。 - Mark