From 673ba946e2658eac1a6f4aabf7dea97c18c6b37c Mon Sep 17 00:00:00 2001
From: Vishwajith-Shettigar <zekromvishwa56789@gmail.com>
Date: Sat, 6 Jul 2024 11:55:51 +0530
Subject: [PATCH] klint

---
 .../oppia/android/app/player/state/StateFragment.kt   |  2 +-
 .../app/player/state/StateFragmentPresenter.kt        |  8 ++++----
 .../player/state/StatePlayerRecyclerViewAssembler.kt  | 11 ++++++++---
 .../oppia/android/app/player/state/StateViewModel.kt  |  2 +-
 .../state/answerhandling/InteractionAnswerHandler.kt  |  3 +--
 .../itemviewmodel/ContinueInteractionViewModel.kt     |  2 +-
 .../DragAndDropSortInteractionViewModel.kt            |  2 +-
 .../itemviewmodel/FractionInteractionViewModel.kt     |  2 +-
 .../ImageRegionSelectionInteractionViewModel.kt       |  2 +-
 .../MathExpressionInteractionsViewModel.kt            |  2 +-
 .../state/itemviewmodel/NumericInputViewModel.kt      |  2 +-
 .../RatioExpressionInputInteractionViewModel.kt       |  2 +-
 .../itemviewmodel/SelectionInteractionViewModel.kt    | 11 +++++------
 .../player/state/itemviewmodel/TextInputViewModel.kt  |  2 +-
 14 files changed, 28 insertions(+), 25 deletions(-)

diff --git a/app/src/main/java/org/oppia/android/app/player/state/StateFragment.kt b/app/src/main/java/org/oppia/android/app/player/state/StateFragment.kt
index fa2230df8e1..44c3d333252 100755
--- a/app/src/main/java/org/oppia/android/app/player/state/StateFragment.kt
+++ b/app/src/main/java/org/oppia/android/app/player/state/StateFragment.kt
@@ -10,6 +10,7 @@ import org.oppia.android.app.fragment.InjectableFragment
 import org.oppia.android.app.model.HelpIndex
 import org.oppia.android.app.model.StateFragmentArguments
 import org.oppia.android.app.model.UserAnswer
+import org.oppia.android.app.model.UserAnswerState
 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
@@ -23,7 +24,6 @@ import org.oppia.android.app.player.state.listener.SubmitNavigationButtonListene
 import org.oppia.android.util.extensions.getProto
 import org.oppia.android.util.extensions.putProto
 import javax.inject.Inject
-import org.oppia.android.app.model.UserAnswerState
 
 /** Fragment that represents the current state of an exploration. */
 class StateFragment :
diff --git a/app/src/main/java/org/oppia/android/app/player/state/StateFragmentPresenter.kt b/app/src/main/java/org/oppia/android/app/player/state/StateFragmentPresenter.kt
index c84474cc9c1..a0b73c6d137 100755
--- a/app/src/main/java/org/oppia/android/app/player/state/StateFragmentPresenter.kt
+++ b/app/src/main/java/org/oppia/android/app/player/state/StateFragmentPresenter.kt
@@ -27,6 +27,7 @@ import org.oppia.android.app.model.ProfileId
 import org.oppia.android.app.model.State
 import org.oppia.android.app.model.SurveyQuestionName
 import org.oppia.android.app.model.UserAnswer
+import org.oppia.android.app.model.UserAnswerState
 import org.oppia.android.app.player.audio.AudioButtonListener
 import org.oppia.android.app.player.audio.AudioFragment
 import org.oppia.android.app.player.audio.AudioUiManager
@@ -54,7 +55,6 @@ import org.oppia.android.util.gcsresource.DefaultResourceBucketName
 import org.oppia.android.util.parser.html.ExplorationHtmlParserEntityType
 import org.oppia.android.util.system.OppiaClock
 import javax.inject.Inject
-import org.oppia.android.app.model.UserAnswerState
 
 const val STATE_FRAGMENT_PROFILE_ID_ARGUMENT_KEY =
   "StateFragmentPresenter.state_fragment_profile_id"
@@ -127,7 +127,7 @@ class StateFragmentPresenter @Inject constructor(
       /* attachToRoot= */ false
     )
     recyclerViewAssembler = createRecyclerViewAssembler(
-      assemblerBuilderFactory.create(resourceBucketName, entityType, profileId,userAnswerState),
+      assemblerBuilderFactory.create(resourceBucketName, entityType, profileId, userAnswerState),
       binding.congratulationsTextView,
       binding.congratulationsTextConfettiView,
       binding.fullScreenConfettiView
@@ -367,7 +367,7 @@ class StateFragmentPresenter @Inject constructor(
   private fun subscribeToAnswerOutcome(
     answerOutcomeResultLiveData: LiveData<AsyncResult<AnswerOutcome>>
   ) {
-    if (stateViewModel.getCanSubmitAnswer().get()==true){
+    if (stateViewModel.getCanSubmitAnswer().get() == true) {
       recyclerViewAssembler.resetUserAnswerState()
     }
     val answerOutcomeLiveData = getAnswerOutcome(answerOutcomeResultLiveData)
@@ -392,7 +392,7 @@ class StateFragmentPresenter @Inject constructor(
 
   /** Returns the [UserAnswerState] representing the user's current pending answer. */
   fun getUserAnswerState(): UserAnswerState {
-    return  stateViewModel.getUserAnswerState(recyclerViewAssembler::getPendingAnswerHandler)
+    return stateViewModel.getUserAnswerState(recyclerViewAssembler::getPendingAnswerHandler)
   }
 
   /** Helper for subscribeToAnswerOutcome. */
diff --git a/app/src/main/java/org/oppia/android/app/player/state/StatePlayerRecyclerViewAssembler.kt b/app/src/main/java/org/oppia/android/app/player/state/StatePlayerRecyclerViewAssembler.kt
index bc8416eeb30..5dd9202c470 100644
--- a/app/src/main/java/org/oppia/android/app/player/state/StatePlayerRecyclerViewAssembler.kt
+++ b/app/src/main/java/org/oppia/android/app/player/state/StatePlayerRecyclerViewAssembler.kt
@@ -28,6 +28,7 @@ import org.oppia.android.app.model.ProfileId
 import org.oppia.android.app.model.StringList
 import org.oppia.android.app.model.SubtitledHtml
 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.audio.AudioUiManager
 import org.oppia.android.app.player.state.StatePlayerRecyclerViewAssembler.Builder.Factory
@@ -93,7 +94,6 @@ import org.oppia.android.util.accessibility.AccessibilityService
 import org.oppia.android.util.parser.html.HtmlParser
 import org.oppia.android.util.threading.BackgroundDispatcher
 import javax.inject.Inject
-import org.oppia.android.app.model.UserAnswerState
 
 private typealias AudioUiManagerRetriever = () -> AudioUiManager?
 
@@ -912,7 +912,7 @@ class StatePlayerRecyclerViewAssembler private constructor(
     private val translationController: TranslationController,
     private val multiTypeBuilderFactory: BindableAdapter.MultiTypeBuilder.Factory,
     private val singleTypeBuilderFactory: BindableAdapter.SingleTypeBuilder.Factory,
-   private val userAnswerState: UserAnswerState
+    private val userAnswerState: UserAnswerState
   ) {
 
     private val adapterBuilder: BindableAdapter.MultiTypeBuilder<StateItemViewModel,
@@ -1425,7 +1425,12 @@ class StatePlayerRecyclerViewAssembler private constructor(
        * Returns a new [Builder] for the specified GCS resource bucket information for loading
        * assets, and the current logged in [ProfileId].
        */
-      fun create(resourceBucketName: String, entityType: String, profileId: ProfileId,userAnswerState: UserAnswerState = UserAnswerState.getDefaultInstance()): Builder {
+      fun create(
+        resourceBucketName: String,
+        entityType: String,
+        profileId: ProfileId,
+        userAnswerState: UserAnswerState = UserAnswerState.getDefaultInstance()
+      ): Builder {
         return Builder(
           accessibilityService,
           htmlParserFactory,
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
index 8a37f78c2ef..f7e1f291e5f 100644
--- 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
@@ -13,6 +13,7 @@ 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
@@ -29,7 +30,6 @@ import org.oppia.android.util.locale.OppiaLocale
 import org.oppia.android.util.platformparameter.EnableFastLanguageSwitchingInLesson
 import org.oppia.android.util.platformparameter.PlatformParameterValue
 import javax.inject.Inject
-import org.oppia.android.app.model.UserAnswerState
 
 /** [ViewModel] for state-fragment. */
 @FragmentScope
diff --git a/app/src/main/java/org/oppia/android/app/player/state/answerhandling/InteractionAnswerHandler.kt b/app/src/main/java/org/oppia/android/app/player/state/answerhandling/InteractionAnswerHandler.kt
index 0bdad875aed..ce9238a835b 100644
--- a/app/src/main/java/org/oppia/android/app/player/state/answerhandling/InteractionAnswerHandler.kt
+++ b/app/src/main/java/org/oppia/android/app/player/state/answerhandling/InteractionAnswerHandler.kt
@@ -28,10 +28,9 @@ interface InteractionAnswerHandler {
     return null
   }
 
-  fun getUserAnswerState():UserAnswerState{
+  fun getUserAnswerState(): UserAnswerState {
     return UserAnswerState.getDefaultInstance()
   }
-
 }
 
 /**
diff --git a/app/src/main/java/org/oppia/android/app/player/state/itemviewmodel/ContinueInteractionViewModel.kt b/app/src/main/java/org/oppia/android/app/player/state/itemviewmodel/ContinueInteractionViewModel.kt
index c0a72b642b6..eb08cf630d0 100644
--- a/app/src/main/java/org/oppia/android/app/player/state/itemviewmodel/ContinueInteractionViewModel.kt
+++ b/app/src/main/java/org/oppia/android/app/player/state/itemviewmodel/ContinueInteractionViewModel.kt
@@ -4,13 +4,13 @@ import androidx.fragment.app.Fragment
 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.InteractionAnswerErrorOrAvailabilityCheckReceiver
 import org.oppia.android.app.player.state.answerhandling.InteractionAnswerHandler
 import org.oppia.android.app.player.state.answerhandling.InteractionAnswerReceiver
 import org.oppia.android.app.player.state.listener.PreviousNavigationButtonListener
 import javax.inject.Inject
-import org.oppia.android.app.model.UserAnswerState
 
 // For context:
 // https://github.com/oppia/oppia/blob/37285a/extensions/interactions/Continue/directives/oppia-interactive-continue.directive.ts
diff --git a/app/src/main/java/org/oppia/android/app/player/state/itemviewmodel/DragAndDropSortInteractionViewModel.kt b/app/src/main/java/org/oppia/android/app/player/state/itemviewmodel/DragAndDropSortInteractionViewModel.kt
index 812057f9f9f..225910237d4 100644
--- a/app/src/main/java/org/oppia/android/app/player/state/itemviewmodel/DragAndDropSortInteractionViewModel.kt
+++ b/app/src/main/java/org/oppia/android/app/player/state/itemviewmodel/DragAndDropSortInteractionViewModel.kt
@@ -14,6 +14,7 @@ import org.oppia.android.app.model.StringList
 import org.oppia.android.app.model.SubtitledHtml
 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
@@ -25,7 +26,6 @@ import org.oppia.android.app.recyclerview.OnItemDragListener
 import org.oppia.android.app.translation.AppLanguageResourceHandler
 import org.oppia.android.domain.translation.TranslationController
 import javax.inject.Inject
-import org.oppia.android.app.model.UserAnswerState
 
 /** Represents the type of errors that can be thrown by drag and drop sort interaction. */
 enum class DragAndDropSortInteractionError(@StringRes private var error: Int?) {
diff --git a/app/src/main/java/org/oppia/android/app/player/state/itemviewmodel/FractionInteractionViewModel.kt b/app/src/main/java/org/oppia/android/app/player/state/itemviewmodel/FractionInteractionViewModel.kt
index 7af74976636..baaf5c837e9 100644
--- a/app/src/main/java/org/oppia/android/app/player/state/itemviewmodel/FractionInteractionViewModel.kt
+++ b/app/src/main/java/org/oppia/android/app/player/state/itemviewmodel/FractionInteractionViewModel.kt
@@ -8,6 +8,7 @@ import org.oppia.android.R
 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
@@ -18,7 +19,6 @@ import org.oppia.android.app.translation.AppLanguageResourceHandler
 import org.oppia.android.domain.translation.TranslationController
 import org.oppia.android.util.math.FractionParser
 import javax.inject.Inject
-import org.oppia.android.app.model.UserAnswerState
 
 /** [StateItemViewModel] for the fraction input interaction. */
 class FractionInteractionViewModel private constructor(
diff --git a/app/src/main/java/org/oppia/android/app/player/state/itemviewmodel/ImageRegionSelectionInteractionViewModel.kt b/app/src/main/java/org/oppia/android/app/player/state/itemviewmodel/ImageRegionSelectionInteractionViewModel.kt
index ae954a62a80..e849060bd41 100644
--- a/app/src/main/java/org/oppia/android/app/player/state/itemviewmodel/ImageRegionSelectionInteractionViewModel.kt
+++ b/app/src/main/java/org/oppia/android/app/player/state/itemviewmodel/ImageRegionSelectionInteractionViewModel.kt
@@ -9,6 +9,7 @@ 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
@@ -20,7 +21,6 @@ import org.oppia.android.app.utility.NamedRegionClickedEvent
 import org.oppia.android.app.utility.OnClickableAreaClickedListener
 import org.oppia.android.app.utility.RegionClickedEvent
 import javax.inject.Inject
-import org.oppia.android.app.model.UserAnswerState
 
 /** [StateItemViewModel] for image region selection. */
 class ImageRegionSelectionInteractionViewModel private constructor(
diff --git a/app/src/main/java/org/oppia/android/app/player/state/itemviewmodel/MathExpressionInteractionsViewModel.kt b/app/src/main/java/org/oppia/android/app/player/state/itemviewmodel/MathExpressionInteractionsViewModel.kt
index 690c7a91125..f2d6c3c5acf 100644
--- a/app/src/main/java/org/oppia/android/app/player/state/itemviewmodel/MathExpressionInteractionsViewModel.kt
+++ b/app/src/main/java/org/oppia/android/app/player/state/itemviewmodel/MathExpressionInteractionsViewModel.kt
@@ -12,6 +12,7 @@ import org.oppia.android.app.model.MathEquation
 import org.oppia.android.app.model.MathExpression
 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
@@ -51,7 +52,6 @@ import org.oppia.android.util.math.toPlainText
 import org.oppia.android.util.math.toRawLatex
 import javax.inject.Inject
 import org.oppia.android.app.model.MathBinaryOperation.Operator as UnaryOperator
-import org.oppia.android.app.model.UserAnswerState
 
 /**
  * [StateItemViewModel] for input for numeric expressions, algebraic expressions, and math
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
index 09ca487be72..c16b4cb3664 100644
--- 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
@@ -7,6 +7,7 @@ import androidx.databinding.ObservableField
 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
@@ -15,7 +16,6 @@ import org.oppia.android.app.player.state.answerhandling.InteractionAnswerHandle
 import org.oppia.android.app.player.state.answerhandling.InteractionAnswerReceiver
 import org.oppia.android.app.translation.AppLanguageResourceHandler
 import javax.inject.Inject
-import org.oppia.android.app.model.UserAnswerState
 
 /** [StateItemViewModel] for the numeric input interaction. */
 class NumericInputViewModel private constructor(
diff --git a/app/src/main/java/org/oppia/android/app/player/state/itemviewmodel/RatioExpressionInputInteractionViewModel.kt b/app/src/main/java/org/oppia/android/app/player/state/itemviewmodel/RatioExpressionInputInteractionViewModel.kt
index 88ac2e3e850..7b108c49535 100644
--- a/app/src/main/java/org/oppia/android/app/player/state/itemviewmodel/RatioExpressionInputInteractionViewModel.kt
+++ b/app/src/main/java/org/oppia/android/app/player/state/itemviewmodel/RatioExpressionInputInteractionViewModel.kt
@@ -8,6 +8,7 @@ import org.oppia.android.R
 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
@@ -19,7 +20,6 @@ import org.oppia.android.app.utility.toAccessibleAnswerString
 import org.oppia.android.domain.translation.TranslationController
 import org.oppia.android.util.math.toAnswerString
 import javax.inject.Inject
-import org.oppia.android.app.model.UserAnswerState
 
 /** [StateItemViewModel] for the ratio expression input interaction. */
 class RatioExpressionInputInteractionViewModel private constructor(
diff --git a/app/src/main/java/org/oppia/android/app/player/state/itemviewmodel/SelectionInteractionViewModel.kt b/app/src/main/java/org/oppia/android/app/player/state/itemviewmodel/SelectionInteractionViewModel.kt
index 7db0f6caad0..68ebf63cf75 100644
--- a/app/src/main/java/org/oppia/android/app/player/state/itemviewmodel/SelectionInteractionViewModel.kt
+++ b/app/src/main/java/org/oppia/android/app/player/state/itemviewmodel/SelectionInteractionViewModel.kt
@@ -1,6 +1,5 @@
 package org.oppia.android.app.player.state.itemviewmodel
 
-import android.util.Log
 import androidx.annotation.StringRes
 import androidx.databinding.Observable
 import androidx.databinding.ObservableBoolean
@@ -9,10 +8,12 @@ import androidx.databinding.ObservableList
 import org.oppia.android.R
 import org.oppia.android.app.model.Interaction
 import org.oppia.android.app.model.InteractionObject
+import org.oppia.android.app.model.ItemSelectionAnswerState
 import org.oppia.android.app.model.SetOfTranslatableHtmlContentIds
 import org.oppia.android.app.model.SubtitledHtml
 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
@@ -22,8 +23,6 @@ import org.oppia.android.app.translation.AppLanguageResourceHandler
 import org.oppia.android.app.viewmodel.ObservableArrayList
 import org.oppia.android.domain.translation.TranslationController
 import javax.inject.Inject
-import org.oppia.android.app.model.ItemSelectionAnswerState
-import org.oppia.android.app.model.UserAnswerState
 
 /** Corresponds to the type of input that should be used for an item selection interaction view. */
 enum class SelectionItemInputType {
@@ -120,8 +119,8 @@ class SelectionInteractionViewModel private constructor(
     }
   }
 
-  override fun getUserAnswerState():UserAnswerState {
-  return  UserAnswerState.newBuilder().apply {
+  override fun getUserAnswerState(): UserAnswerState {
+    return UserAnswerState.newBuilder().apply {
       this.itemSelection = ItemSelectionAnswerState.newBuilder().addAllSelectedIndexes(
         selectedItems
       ).build()
@@ -160,7 +159,7 @@ class SelectionInteractionViewModel private constructor(
    * It checks the pending error for the current selection input, and correspondingly
    * updates the error string based on the specified error category.
    */
-  override fun checkPendingAnswerError(category:AnswerErrorCategory): String? {
+  override fun checkPendingAnswerError(category: AnswerErrorCategory): String? {
     pendingAnswerError = when (category) {
       AnswerErrorCategory.REAL_TIME -> null
       AnswerErrorCategory.SUBMIT_TIME ->
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
index e76dbf35378..6a62f05019c 100644
--- 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
@@ -9,6 +9,7 @@ import org.oppia.android.R
 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
@@ -17,7 +18,6 @@ import org.oppia.android.app.player.state.answerhandling.InteractionAnswerReceiv
 import org.oppia.android.app.translation.AppLanguageResourceHandler
 import org.oppia.android.domain.translation.TranslationController
 import javax.inject.Inject
-import org.oppia.android.app.model.UserAnswerState
 
 /** [StateItemViewModel] for the text input interaction. */
 class TextInputViewModel private constructor(