seletion state retain support with error

oppia · Jul 9, 2024 · ea9ca3b · ea9ca3b
1 parent ee98317
commit ea9ca3b
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Showing 18 changed files with 42 additions and 26 deletions.
diff --git a/app/src/main/java/org/oppia/android/app/player/state/StateViewModel.kt b/app/src/main/java/org/oppia/android/app/player/state/StateViewModel.kt
@@ -8,14 +8,14 @@ import androidx.lifecycle.Observer
 import androidx.lifecycle.Transformations
 import androidx.lifecycle.ViewModel
 import org.oppia.android.app.fragment.FragmentScope
+import org.oppia.android.app.model.AnswerErrorCategory
 import org.oppia.android.app.model.EphemeralState
 import org.oppia.android.app.model.OppiaLanguage
 import org.oppia.android.app.model.Profile
 import org.oppia.android.app.model.ProfileId
 import org.oppia.android.app.model.UserAnswer
 import org.oppia.android.app.model.UserAnswerState
 import org.oppia.android.app.model.WrittenTranslationLanguageSelection
-import org.oppia.android.app.player.state.answerhandling.AnswerErrorCategory
 import org.oppia.android.app.player.state.answerhandling.InteractionAnswerHandler
 import org.oppia.android.app.player.state.itemviewmodel.StateItemViewModel
 import org.oppia.android.app.viewmodel.ObservableArrayList

diff --git a/...c/main/java/org/oppia/android/app/player/state/answerhandling/InteractionAnswerHandler.kt b/...c/main/java/org/oppia/android/app/player/state/answerhandling/InteractionAnswerHandler.kt
@@ -1,5 +1,6 @@
 package org.oppia.android.app.player.state.answerhandling
 
+import org.oppia.android.app.model.AnswerErrorCategory
 import org.oppia.android.app.model.UserAnswer
 import org.oppia.android.app.model.UserAnswerState
 
@@ -41,10 +42,10 @@ interface InteractionAnswerReceiver {
   fun onAnswerReadyForSubmission(answer: UserAnswer)
 }
 
-/** Categories of errors that can be inferred from a pending answer. */
-enum class AnswerErrorCategory {
-  /** Corresponds to errors that may be found while the user is trying to input an answer. */
-  REAL_TIME,
-  /** Corresponds to errors that may be found only when a user tries to submit an answer. */
-  SUBMIT_TIME
-}
+// /** Categories of errors that can be inferred from a pending answer. */
+// enum class AnswerErrorCategory {
+//  /** Corresponds to errors that may be found while the user is trying to input an answer. */
+//  REAL_TIME,
+//  /** Corresponds to errors that may be found only when a user tries to submit an answer. */
+//  SUBMIT_TIME
+// }
diff --git a/...a/org/oppia/android/app/player/state/itemviewmodel/DragAndDropSortInteractionViewModel.kt b/...a/org/oppia/android/app/player/state/itemviewmodel/DragAndDropSortInteractionViewModel.kt
@@ -5,6 +5,7 @@ import androidx.databinding.Observable
 import androidx.databinding.ObservableField
 import androidx.recyclerview.widget.RecyclerView
 import org.oppia.android.R
+import org.oppia.android.app.model.AnswerErrorCategory
 import org.oppia.android.app.model.Interaction
 import org.oppia.android.app.model.InteractionObject
 import org.oppia.android.app.model.ListOfSetsOfHtmlStrings
@@ -16,7 +17,6 @@ import org.oppia.android.app.model.TranslatableHtmlContentId
 import org.oppia.android.app.model.UserAnswer
 import org.oppia.android.app.model.UserAnswerState
 import org.oppia.android.app.model.WrittenTranslationContext
-import org.oppia.android.app.player.state.answerhandling.AnswerErrorCategory
 import org.oppia.android.app.player.state.answerhandling.InteractionAnswerErrorOrAvailabilityCheckReceiver
 import org.oppia.android.app.player.state.answerhandling.InteractionAnswerHandler
 import org.oppia.android.app.player.state.answerhandling.InteractionAnswerReceiver
@@ -164,6 +164,7 @@ class DragAndDropSortInteractionViewModel private constructor(
       AnswerErrorCategory.REAL_TIME -> null
       AnswerErrorCategory.SUBMIT_TIME ->
         getSubmitTimeError().getErrorMessageFromStringRes(resourceHandler)
+      else -> null
     }
     errorMessage.set(pendingAnswerError)
     return pendingAnswerError

diff --git a/...ain/java/org/oppia/android/app/player/state/itemviewmodel/FractionInteractionViewModel.kt b/...ain/java/org/oppia/android/app/player/state/itemviewmodel/FractionInteractionViewModel.kt
@@ -5,13 +5,13 @@ import android.text.TextWatcher
 import androidx.databinding.Observable
 import androidx.databinding.ObservableField
 import org.oppia.android.R
+import org.oppia.android.app.model.AnswerErrorCategory
 import org.oppia.android.app.model.Interaction
 import org.oppia.android.app.model.InteractionObject
 import org.oppia.android.app.model.UserAnswer
 import org.oppia.android.app.model.UserAnswerState
 import org.oppia.android.app.model.WrittenTranslationContext
 import org.oppia.android.app.parser.FractionParsingUiError
-import org.oppia.android.app.player.state.answerhandling.AnswerErrorCategory
 import org.oppia.android.app.player.state.answerhandling.InteractionAnswerErrorOrAvailabilityCheckReceiver
 import org.oppia.android.app.player.state.answerhandling.InteractionAnswerHandler
 import org.oppia.android.app.player.state.answerhandling.InteractionAnswerReceiver

diff --git a/.../oppia/android/app/player/state/itemviewmodel/ImageRegionSelectionInteractionViewModel.kt b/.../oppia/android/app/player/state/itemviewmodel/ImageRegionSelectionInteractionViewModel.kt
@@ -4,14 +4,14 @@ import androidx.annotation.StringRes
 import androidx.databinding.Observable
 import androidx.databinding.ObservableField
 import org.oppia.android.R
+import org.oppia.android.app.model.AnswerErrorCategory
 import org.oppia.android.app.model.ClickOnImage
 import org.oppia.android.app.model.ImageWithRegions
 import org.oppia.android.app.model.Interaction
 import org.oppia.android.app.model.InteractionObject
 import org.oppia.android.app.model.UserAnswer
 import org.oppia.android.app.model.UserAnswerState
 import org.oppia.android.app.model.WrittenTranslationContext
-import org.oppia.android.app.player.state.answerhandling.AnswerErrorCategory
 import org.oppia.android.app.player.state.answerhandling.InteractionAnswerErrorOrAvailabilityCheckReceiver
 import org.oppia.android.app.player.state.answerhandling.InteractionAnswerHandler
 import org.oppia.android.app.player.state.answerhandling.InteractionAnswerReceiver

diff --git a/...a/org/oppia/android/app/player/state/itemviewmodel/MathExpressionInteractionsViewModel.kt b/...a/org/oppia/android/app/player/state/itemviewmodel/MathExpressionInteractionsViewModel.kt
@@ -6,6 +6,7 @@ import androidx.annotation.StringRes
 import androidx.databinding.Observable
 import androidx.databinding.ObservableField
 import org.oppia.android.R
+import org.oppia.android.app.model.AnswerErrorCategory
 import org.oppia.android.app.model.Interaction
 import org.oppia.android.app.model.InteractionObject
 import org.oppia.android.app.model.MathEquation
@@ -14,7 +15,6 @@ import org.oppia.android.app.model.OppiaLanguage
 import org.oppia.android.app.model.UserAnswer
 import org.oppia.android.app.model.UserAnswerState
 import org.oppia.android.app.model.WrittenTranslationContext
-import org.oppia.android.app.player.state.answerhandling.AnswerErrorCategory
 import org.oppia.android.app.player.state.answerhandling.InteractionAnswerErrorOrAvailabilityCheckReceiver
 import org.oppia.android.app.player.state.answerhandling.InteractionAnswerHandler
 import org.oppia.android.app.player.state.answerhandling.InteractionAnswerReceiver
@@ -162,6 +162,7 @@ class MathExpressionInteractionsViewModel private constructor(
           answerText.toString(), allowedVariables, resourceHandler
         )
       }
+      else -> { null }
     }
     errorMessage.set(pendingAnswerError)
     return pendingAnswerError

diff --git a/app/src/main/java/org/oppia/android/app/player/state/itemviewmodel/NumericInputViewModel.kt b/app/src/main/java/org/oppia/android/app/player/state/itemviewmodel/NumericInputViewModel.kt
@@ -4,13 +4,13 @@ import android.text.Editable
 import android.text.TextWatcher
 import androidx.databinding.Observable
 import androidx.databinding.ObservableField
+import org.oppia.android.app.model.AnswerErrorCategory
 import org.oppia.android.app.model.Interaction
 import org.oppia.android.app.model.InteractionObject
 import org.oppia.android.app.model.UserAnswer
 import org.oppia.android.app.model.UserAnswerState
 import org.oppia.android.app.model.WrittenTranslationContext
 import org.oppia.android.app.parser.StringToNumberParser
-import org.oppia.android.app.player.state.answerhandling.AnswerErrorCategory
 import org.oppia.android.app.player.state.answerhandling.InteractionAnswerErrorOrAvailabilityCheckReceiver
 import org.oppia.android.app.player.state.answerhandling.InteractionAnswerHandler
 import org.oppia.android.app.player.state.answerhandling.InteractionAnswerReceiver
@@ -65,6 +65,7 @@ class NumericInputViewModel private constructor(
       AnswerErrorCategory.SUBMIT_TIME ->
         stringToNumberParser.getSubmitTimeError(answerText.toString())
           .getErrorMessageFromStringRes(resourceHandler)
+      else -> null
     }
     errorMessage.set(pendingAnswerError)
     return pendingAnswerError

diff --git a/.../oppia/android/app/player/state/itemviewmodel/RatioExpressionInputInteractionViewModel.kt b/.../oppia/android/app/player/state/itemviewmodel/RatioExpressionInputInteractionViewModel.kt
@@ -5,13 +5,13 @@ import android.text.TextWatcher
 import androidx.databinding.Observable
 import androidx.databinding.ObservableField
 import org.oppia.android.R
+import org.oppia.android.app.model.AnswerErrorCategory
 import org.oppia.android.app.model.Interaction
 import org.oppia.android.app.model.InteractionObject
 import org.oppia.android.app.model.UserAnswer
 import org.oppia.android.app.model.UserAnswerState
 import org.oppia.android.app.model.WrittenTranslationContext
 import org.oppia.android.app.parser.StringToRatioParser
-import org.oppia.android.app.player.state.answerhandling.AnswerErrorCategory
 import org.oppia.android.app.player.state.answerhandling.InteractionAnswerErrorOrAvailabilityCheckReceiver
 import org.oppia.android.app.player.state.answerhandling.InteractionAnswerHandler
 import org.oppia.android.app.player.state.answerhandling.InteractionAnswerReceiver
@@ -90,6 +90,7 @@ class RatioExpressionInputInteractionViewModel private constructor(
           answerText.toString(),
           numberOfTerms = numberOfTerms
         ).getErrorMessageFromStringRes(resourceHandler)
+      else -> null
     }
     errorMessage.set(pendingAnswerError)
     return pendingAnswerError

diff --git a/...in/java/org/oppia/android/app/player/state/itemviewmodel/SelectionInteractionViewModel.kt b/...in/java/org/oppia/android/app/player/state/itemviewmodel/SelectionInteractionViewModel.kt
@@ -6,6 +6,7 @@ import androidx.databinding.ObservableBoolean
 import androidx.databinding.ObservableField
 import androidx.databinding.ObservableList
 import org.oppia.android.R
+import org.oppia.android.app.model.AnswerErrorCategory
 import org.oppia.android.app.model.Interaction
 import org.oppia.android.app.model.InteractionObject
 import org.oppia.android.app.model.ItemSelectionAnswerState
@@ -15,7 +16,6 @@ import org.oppia.android.app.model.TranslatableHtmlContentId
 import org.oppia.android.app.model.UserAnswer
 import org.oppia.android.app.model.UserAnswerState
 import org.oppia.android.app.model.WrittenTranslationContext
-import org.oppia.android.app.player.state.answerhandling.AnswerErrorCategory
 import org.oppia.android.app.player.state.answerhandling.InteractionAnswerErrorOrAvailabilityCheckReceiver
 import org.oppia.android.app.player.state.answerhandling.InteractionAnswerHandler
 import org.oppia.android.app.player.state.answerhandling.InteractionAnswerReceiver
@@ -63,6 +63,9 @@ class SelectionInteractionViewModel private constructor(
       ?.map { schemaObject -> schemaObject.customSchemaValue.subtitledHtml }
       ?: listOf()
   }
+
+  private var answerErrorCetegory: AnswerErrorCategory = AnswerErrorCategory.NO_ERROR
+
   private val minAllowableSelectionCount: Int by lazy {
     interaction.customizationArgsMap["minAllowableSelectionCount"]?.signedInt ?: 1
   }
@@ -119,13 +122,16 @@ class SelectionInteractionViewModel private constructor(
       updateSelectionText()
       updateIsAnswerAvailable()
     }
+
+    checkPendingAnswerError(userAnswerState.answerErrorCategory)
   }
 
   override fun getUserAnswerState(): UserAnswerState {
     return UserAnswerState.newBuilder().apply {
       this.itemSelection = ItemSelectionAnswerState.newBuilder().addAllSelectedIndexes(
         selectedItems
       ).build()
+      this.answerErrorCategory = answerErrorCetegory
     }.build()
   }
 
@@ -162,10 +168,14 @@ class SelectionInteractionViewModel private constructor(
    * updates the error string based on the specified error category.
    */
   override fun checkPendingAnswerError(category: AnswerErrorCategory): String? {
+    answerErrorCetegory = category
     pendingAnswerError = when (category) {
-      AnswerErrorCategory.REAL_TIME -> null
+      AnswerErrorCategory.REAL_TIME -> {
+        null
+      }
       AnswerErrorCategory.SUBMIT_TIME ->
         getSubmitTimeError().getErrorMessageFromStringRes(resourceHandler)
+      else -> null
     }
     errorMessage.set(pendingAnswerError)
     return pendingAnswerError

diff --git a/app/src/main/java/org/oppia/android/app/player/state/itemviewmodel/TextInputViewModel.kt b/app/src/main/java/org/oppia/android/app/player/state/itemviewmodel/TextInputViewModel.kt
@@ -6,12 +6,12 @@ import androidx.annotation.StringRes
 import androidx.databinding.Observable
 import androidx.databinding.ObservableField
 import org.oppia.android.R
+import org.oppia.android.app.model.AnswerErrorCategory
 import org.oppia.android.app.model.Interaction
 import org.oppia.android.app.model.InteractionObject
 import org.oppia.android.app.model.UserAnswer
 import org.oppia.android.app.model.UserAnswerState
 import org.oppia.android.app.model.WrittenTranslationContext
-import org.oppia.android.app.player.state.answerhandling.AnswerErrorCategory
 import org.oppia.android.app.player.state.answerhandling.InteractionAnswerErrorOrAvailabilityCheckReceiver
 import org.oppia.android.app.player.state.answerhandling.InteractionAnswerHandler
 import org.oppia.android.app.player.state.answerhandling.InteractionAnswerReceiver
@@ -64,6 +64,7 @@ class TextInputViewModel private constructor(
           answerText.toString()
         ).createForText(resourceHandler)
       }
+      else -> { null }
     }.also {
       pendingAnswerError = it
       errorMessage.set(it)

diff --git a/app/src/main/java/org/oppia/android/app/testing/FractionInputInteractionViewTestActivity.kt b/app/src/main/java/org/oppia/android/app/testing/FractionInputInteractionViewTestActivity.kt
@@ -8,11 +8,11 @@ import org.oppia.android.R
 import org.oppia.android.app.activity.ActivityComponentImpl
 import org.oppia.android.app.activity.InjectableAutoLocalizedAppCompatActivity
 import org.oppia.android.app.customview.interaction.FractionInputInteractionView
+import org.oppia.android.app.model.AnswerErrorCategory
 import org.oppia.android.app.model.InputInteractionViewTestActivityParams
 import org.oppia.android.app.model.Interaction
 import org.oppia.android.app.model.UserAnswer
 import org.oppia.android.app.model.WrittenTranslationContext
-import org.oppia.android.app.player.state.answerhandling.AnswerErrorCategory
 import org.oppia.android.app.player.state.answerhandling.InteractionAnswerErrorOrAvailabilityCheckReceiver
 import org.oppia.android.app.player.state.answerhandling.InteractionAnswerReceiver
 import org.oppia.android.app.player.state.itemviewmodel.FractionInteractionViewModel

diff --git a/app/src/main/java/org/oppia/android/app/testing/ImageRegionSelectionTestFragmentPresenter.kt b/app/src/main/java/org/oppia/android/app/testing/ImageRegionSelectionTestFragmentPresenter.kt
@@ -6,13 +6,13 @@ import android.view.ViewGroup
 import android.widget.Button
 import androidx.fragment.app.Fragment
 import org.oppia.android.R
+import org.oppia.android.app.model.AnswerErrorCategory
 import org.oppia.android.app.model.ImageWithRegions.LabeledRegion
 import org.oppia.android.app.model.Interaction
 import org.oppia.android.app.model.Point2d
 import org.oppia.android.app.model.UserAnswer
 import org.oppia.android.app.model.WrittenTranslationContext
 import org.oppia.android.app.player.state.ImageRegionSelectionInteractionView
-import org.oppia.android.app.player.state.answerhandling.AnswerErrorCategory
 import org.oppia.android.app.player.state.answerhandling.InteractionAnswerErrorOrAvailabilityCheckReceiver
 import org.oppia.android.app.player.state.answerhandling.InteractionAnswerReceiver
 import org.oppia.android.app.player.state.itemviewmodel.ImageRegionSelectionInteractionViewModel

diff --git a/app/src/main/java/org/oppia/android/app/testing/InputInteractionViewTestActivity.kt b/app/src/main/java/org/oppia/android/app/testing/InputInteractionViewTestActivity.kt
@@ -8,11 +8,11 @@ import org.oppia.android.R
 import org.oppia.android.app.activity.ActivityComponentImpl
 import org.oppia.android.app.activity.InjectableAutoLocalizedAppCompatActivity
 import org.oppia.android.app.customview.interaction.NumericInputInteractionView
+import org.oppia.android.app.model.AnswerErrorCategory
 import org.oppia.android.app.model.InputInteractionViewTestActivityParams
 import org.oppia.android.app.model.Interaction
 import org.oppia.android.app.model.UserAnswer
 import org.oppia.android.app.model.WrittenTranslationContext
-import org.oppia.android.app.player.state.answerhandling.AnswerErrorCategory
 import org.oppia.android.app.player.state.answerhandling.InteractionAnswerErrorOrAvailabilityCheckReceiver
 import org.oppia.android.app.player.state.answerhandling.InteractionAnswerReceiver
 import org.oppia.android.app.player.state.itemviewmodel.NumericInputViewModel

diff --git a/...src/main/java/org/oppia/android/app/testing/MathExpressionInteractionsViewTestActivity.kt b/...src/main/java/org/oppia/android/app/testing/MathExpressionInteractionsViewTestActivity.kt
@@ -7,12 +7,12 @@ import androidx.databinding.DataBindingUtil
 import org.oppia.android.R
 import org.oppia.android.app.activity.ActivityComponentImpl
 import org.oppia.android.app.activity.InjectableAutoLocalizedAppCompatActivity
+import org.oppia.android.app.model.AnswerErrorCategory
 import org.oppia.android.app.model.Interaction
 import org.oppia.android.app.model.MathExpressionInteractionsViewTestActivityParams
 import org.oppia.android.app.model.MathExpressionInteractionsViewTestActivityParams.MathInteractionType
 import org.oppia.android.app.model.UserAnswer
 import org.oppia.android.app.model.WrittenTranslationContext
-import org.oppia.android.app.player.state.answerhandling.AnswerErrorCategory
 import org.oppia.android.app.player.state.answerhandling.InteractionAnswerErrorOrAvailabilityCheckReceiver
 import org.oppia.android.app.player.state.answerhandling.InteractionAnswerReceiver
 import org.oppia.android.app.player.state.itemviewmodel.MathExpressionInteractionsViewModel

diff --git a/app/src/main/java/org/oppia/android/app/testing/RatioInputInteractionViewTestActivity.kt b/app/src/main/java/org/oppia/android/app/testing/RatioInputInteractionViewTestActivity.kt
@@ -8,12 +8,12 @@ import org.oppia.android.R
 import org.oppia.android.app.activity.ActivityComponentImpl
 import org.oppia.android.app.activity.InjectableAutoLocalizedAppCompatActivity
 import org.oppia.android.app.customview.interaction.RatioInputInteractionView
+import org.oppia.android.app.model.AnswerErrorCategory
 import org.oppia.android.app.model.InputInteractionViewTestActivityParams
 import org.oppia.android.app.model.Interaction
 import org.oppia.android.app.model.SchemaObject
 import org.oppia.android.app.model.UserAnswer
 import org.oppia.android.app.model.WrittenTranslationContext
-import org.oppia.android.app.player.state.answerhandling.AnswerErrorCategory
 import org.oppia.android.app.player.state.answerhandling.InteractionAnswerErrorOrAvailabilityCheckReceiver
 import org.oppia.android.app.player.state.answerhandling.InteractionAnswerReceiver
 import org.oppia.android.app.player.state.itemviewmodel.RatioExpressionInputInteractionViewModel

diff --git a/app/src/main/java/org/oppia/android/app/testing/TextInputInteractionViewTestActivity.kt b/app/src/main/java/org/oppia/android/app/testing/TextInputInteractionViewTestActivity.kt
@@ -6,10 +6,10 @@ import org.oppia.android.R
 import org.oppia.android.app.activity.ActivityComponentImpl
 import org.oppia.android.app.activity.InjectableAutoLocalizedAppCompatActivity
 import org.oppia.android.app.customview.interaction.TextInputInteractionView
+import org.oppia.android.app.model.AnswerErrorCategory
 import org.oppia.android.app.model.Interaction
 import org.oppia.android.app.model.UserAnswer
 import org.oppia.android.app.model.WrittenTranslationContext
-import org.oppia.android.app.player.state.answerhandling.AnswerErrorCategory
 import org.oppia.android.app.player.state.answerhandling.InteractionAnswerErrorOrAvailabilityCheckReceiver
 import org.oppia.android.app.player.state.answerhandling.InteractionAnswerReceiver
 import org.oppia.android.app.player.state.itemviewmodel.StateItemViewModel

diff --git a/app/src/main/java/org/oppia/android/app/topic/questionplayer/QuestionPlayerViewModel.kt b/app/src/main/java/org/oppia/android/app/topic/questionplayer/QuestionPlayerViewModel.kt
@@ -4,9 +4,9 @@ import androidx.databinding.ObservableBoolean
 import androidx.databinding.ObservableField
 import androidx.databinding.ObservableList
 import org.oppia.android.R
+import org.oppia.android.app.model.AnswerErrorCategory
 import org.oppia.android.app.model.UserAnswer
 import org.oppia.android.app.model.UserAnswerState
-import org.oppia.android.app.player.state.answerhandling.AnswerErrorCategory
 import org.oppia.android.app.player.state.answerhandling.InteractionAnswerHandler
 import org.oppia.android.app.player.state.itemviewmodel.StateItemViewModel
 import org.oppia.android.app.translation.AppLanguageResourceHandler

diff --git a/...t/java/org/oppia/android/app/customview/interaction/MathExpressionInteractionsViewTest.kt b/...t/java/org/oppia/android/app/customview/interaction/MathExpressionInteractionsViewTest.kt
@@ -32,6 +32,8 @@ import org.oppia.android.app.application.ApplicationStartupListenerModule
 import org.oppia.android.app.application.testing.TestingBuildFlavorModule
 import org.oppia.android.app.devoptions.DeveloperOptionsModule
 import org.oppia.android.app.devoptions.DeveloperOptionsStarterModule
+import org.oppia.android.app.model.AnswerErrorCategory.REAL_TIME
+import org.oppia.android.app.model.AnswerErrorCategory.SUBMIT_TIME
 import org.oppia.android.app.model.CustomSchemaValue
 import org.oppia.android.app.model.Interaction
 import org.oppia.android.app.model.MathExpressionInteractionsViewTestActivityParams
@@ -42,8 +44,6 @@ import org.oppia.android.app.model.SchemaObjectList
 import org.oppia.android.app.model.SubtitledUnicode
 import org.oppia.android.app.model.Translation
 import org.oppia.android.app.model.WrittenTranslationContext
-import org.oppia.android.app.player.state.answerhandling.AnswerErrorCategory.REAL_TIME
-import org.oppia.android.app.player.state.answerhandling.AnswerErrorCategory.SUBMIT_TIME
 import org.oppia.android.app.player.state.itemviewmodel.SplitScreenInteractionModule
 import org.oppia.android.app.shim.ViewBindingShimModule
 import org.oppia.android.app.testing.MathExpressionInteractionsViewTestActivity