Workaround in Java due to Dagger/Kotlin not playing well together as …

…of now

see: google/dagger#1478

app/src/main/java/com/example/twcgilbert/postsapp/common/di/ViewModelFactory.kt

@@ -2,11 +2,9 @@ package com.example.twcgilbert.postsapp.common.di
 
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.ViewModelProvider
-import dagger.MapKey
 import javax.inject.Inject
 import javax.inject.Provider
 import javax.inject.Singleton
-import kotlin.reflect.KClass
 
 @Singleton
 class ViewModelFactory @Inject constructor(
@@ -16,9 +14,4 @@ class ViewModelFactory @Inject constructor(
 
     @Suppress("UNCHECKED_CAST")
     override fun <T : ViewModel?> create(modelClass: Class<T>): T = viewModels[modelClass]?.get() as T
-}
-
-@Target(AnnotationTarget.FUNCTION, AnnotationTarget.PROPERTY_GETTER, AnnotationTarget.PROPERTY_SETTER)
-@Retention(AnnotationRetention.RUNTIME)
-@MapKey
-internal annotation class ViewModelKey(val value: KClass<out ViewModel>)
+}

app/src/main/java/com/example/twcgilbert/postsapp/common/di/ViewModelKey.java

@@ -0,0 +1,22 @@
+package com.example.twcgilbert.postsapp.common.di;
+
+import java.lang.annotation.Documented;
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+import androidx.lifecycle.ViewModel;
+import dagger.MapKey;
+
+/**
+ * Workaround in Java due to Dagger/Kotlin not playing well together as of now
+ * https://github.com/google/dagger/issues/1478
+ */
+@MapKey
+@Documented
+@Target({ElementType.METHOD})
+@Retention(RetentionPolicy.RUNTIME)
+public @interface ViewModelKey {
+    Class<? extends ViewModel> value();
+}