mlykotom

class SomeViewModel @Inject constructor(
  private val depFromDagger1: Dependency,
  private val depFromDagger2: Dependency2
) : ViewModel(){
  
  // may crash with UninitializedPropertyAccessException
  lateinit var articleId: String
  
  // must !! or ?. for every access
  var fragmentParams: Bundle? = null

mlykotom

class SomeFragment : Fragment() {
  
  // inject into this class omitted for brevity
  
  @Inject
  lateinit var dep1: Dependency
  @Inject
  lateinit var dep2: Dependency
  
  lateinit var viewModel : SomeViewModel

mlykotom

class SomeViewModel(
  private val dep1: Dependency,
  private val dep2: Dependency2,
  private val articleId: String 
) : ViewModel() {
  
class Factory constructor(
    private val dep1: Dependency,
    private val dep2: Dependency2,
    private val articleId: String 

mlykotom

@Reusable
class InjectingSavedStateViewModelFactory @Inject constructor(
    private val assistedFactories: Map<Class<out ViewModel>, @JvmSuppressWildcards AssistedSavedStateViewModelFactory<out ViewModel>>,
    private val viewModelProviders: Map<Class<out ViewModel>, @JvmSuppressWildcards Provider<ViewModel>>
) {
    /**
     * Creates instance of ViewModel either annotated with @AssistedInject or @Inject and passes dependencies it needs.
     */
    fun create(owner: SavedStateRegistryOwner, defaultArgs: Bundle? = null) =
        object : AbstractSavedStateViewModelFactory(owner, defaultArgs) {

mlykotom

class SomeFragment() : Fragment() {
  
  // ...	
	
  @Inject
  lateinit var abstractFactory: dagger.Lazy<InjectingSavedStateViewModelFactory>

  /**
   * This method androidx uses for `by viewModels` method.
   * We can set out injecting factory here and therefore don't touch it again later

mlykotom

class SomeViewModel @AssistedInject constructor(
    private val appContext: Context,
    private val someDaggerDependency: SomeDaggerDependency,
    @Assisted private val savedStateHandle: SavedStateHandle
) : ViewModel() {
    @AssistedInject.Factory
    interface Factory : AssistedSavedStateViewModelFactory<SomeViewModel>
}

mlykotom

@Module
abstract class BuilderModule {
  @Binds
  @IntoMap
  @ViewModelKey(SomeViewModel::class)
  abstract fun bindVMFactory(f: SomeViewModel.Factory): AssistedSavedStateViewModelFactory<out ViewModel>
}

mlykotom

@Reusable
class InjectingSavedStateViewModelFactory @Inject constructor(
    private val assistedFactories: Map<Class<out ViewModel>, @JvmSuppressWildcards AssistedSavedStateViewModelFactory<out ViewModel>>
) {
    fun create(owner: SavedStateRegistryOwner, defaultArgs: Bundle? = null): AbstractSavedStateViewModelFactory {
        return object : AbstractSavedStateViewModelFactory(owner, defaultArgs) {
          
            @Suppress("UNCHECKED_CAST")
            override fun <T : ViewModel?> create(key: String, modelClass: Class<T>, handle: SavedStateHandle): T {
                // Attempt to get ViewModel from assisted inject factories

mlykotom

#!/bin/bash

# Provide package of your application (com.example.myapp)
PACKAGE=$1

# First, put your app to background and then run this script

echo "Killing $PACKAGE"

adb shell ps | grep $PACKAGE | awk '{print $2}' | xargs adb shell run-as $PACKAGE kill