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fun <VM : ViewModel> createViewModel( | |
viewModelClass: KClass<VM>, | |
storeProducer: ViewModelStore, | |
factory: ViewModelProvider.Factory, | |
): VM { | |
return ViewModelProvider(storeProducer, factory).get(viewModelClass.java) | |
} |
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class MyViewModelFactory: ViewModelProvider.Factory{ | |
override fun <T : ViewModel?> create(modelClass: Class<T>): T { | |
return when(modelClass){ | |
HomeViewModel::class.java ->{ | |
HomeViewModel() as T | |
} | |
ProfileViewModel::class.java -> { | |
ProfileViewModel() as T | |
} | |
SettingsViewModel::class.java -> { | |
SettingsViewModel() as T | |
} | |
else -> throw IllegalArgumentException("unknown model class $modelClass") | |
} | |
} | |
} |
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@Composable | |
fun ProfileScreen(){ | |
val vmStore = AmbientViewModelStoreOwner.current.viewModelStore | |
val viewModel: ProfileViewModel = remember { | |
createViewModel( | |
viewModelClass = ProfileViewModel::class, | |
storeProducer = vmStore, | |
factory = MyViewModelFactory() | |
) | |
} | |
} |
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