diff --git a/AnkiDroid/src/main/java/com/ichi2/anki/ui/windows/reviewer/whiteboard/WhiteboardFragment.kt b/AnkiDroid/src/main/java/com/ichi2/anki/ui/windows/reviewer/whiteboard/WhiteboardFragment.kt
index 0ddc876c7c0c..4a8f662aa2cd 100644
--- a/AnkiDroid/src/main/java/com/ichi2/anki/ui/windows/reviewer/whiteboard/WhiteboardFragment.kt
+++ b/AnkiDroid/src/main/java/com/ichi2/anki/ui/windows/reviewer/whiteboard/WhiteboardFragment.kt
@@ -41,6 +41,7 @@ import androidx.fragment.app.viewModels
 import androidx.lifecycle.lifecycleScope
 import com.google.android.material.button.MaterialButton
 import com.google.android.material.button.MaterialButtonToggleGroup
+import com.google.android.material.card.MaterialCardView
 import com.google.android.material.slider.Slider
 import com.ichi2.anki.AnkiDroidApp
 import com.ichi2.anki.R
@@ -81,12 +82,14 @@ class WhiteboardFragment :
         val whiteboardView = view.findViewById<WhiteboardView>(R.id.whiteboard_view)
         brushToolbarContainerHorizontal = view.findViewById(R.id.brush_toolbar_container_horizontal)
         brushToolbarContainerVertical = view.findViewById(R.id.brush_toolbar_container_vertical)
+        val toolbarContainer = view.findViewById<MaterialCardView>(R.id.controls_container)
 
         val isNightMode = Themes.systemIsInNightMode(requireContext())
         viewModel.loadState(isNightMode)
 
         setupUI(view)
         observeViewModel(whiteboardView)
+        setupToolbarDisabling(whiteboardView, toolbarContainer)
 
         whiteboardView.onNewPath = viewModel::addPath
         whiteboardView.onEraseGestureStart = viewModel::startPathEraseGesture
@@ -94,6 +97,38 @@ class WhiteboardFragment :
         whiteboardView.onEraseGestureEnd = viewModel::endPathEraseGesture
     }
 
+    /**
+     * Recursively enables or disables a view and all of its children.
+     */
+    private fun setViewAndChildrenEnabled(
+        view: View,
+        enabled: Boolean,
+    ) {
+        view.isEnabled = enabled
+        if (view is ViewGroup) {
+            for (i in 0 until view.childCount) {
+                val child = view.getChildAt(i)
+                setViewAndChildrenEnabled(child, enabled)
+            }
+        }
+    }
+
+    /**
+     * Observes the drawing state to enable or disable the toolbar,
+     * preventing any interaction while drawing.
+     */
+    private fun setupToolbarDisabling(
+        whiteboardView: WhiteboardView,
+        toolbarContainer: View,
+    ) {
+        whiteboardView.isDrawing
+            .onEach { isCurrentlyDrawing ->
+                // Use the recursive function to disable the toolbar
+                // and EVERYTHING inside it.
+                setViewAndChildrenEnabled(toolbarContainer, !isCurrentlyDrawing)
+            }.launchIn(lifecycleScope)
+    }
+
     private fun setupUI(view: View) {
         val undoButton = view.findViewById<ImageButton>(R.id.undo_button)
         val redoButton = view.findViewById<ImageButton>(R.id.redo_button)
diff --git a/AnkiDroid/src/main/java/com/ichi2/anki/ui/windows/reviewer/whiteboard/WhiteboardView.kt b/AnkiDroid/src/main/java/com/ichi2/anki/ui/windows/reviewer/whiteboard/WhiteboardView.kt
index 9956fe5ae5c3..0a7efb1f1a2a 100644
--- a/AnkiDroid/src/main/java/com/ichi2/anki/ui/windows/reviewer/whiteboard/WhiteboardView.kt
+++ b/AnkiDroid/src/main/java/com/ichi2/anki/ui/windows/reviewer/whiteboard/WhiteboardView.kt
@@ -28,6 +28,8 @@ import android.view.MotionEvent
 import android.view.View
 import androidx.core.graphics.createBitmap
 import com.ichi2.anki.R
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.asStateFlow
 
 /**
  * A custom view for the whiteboard that handles drawing and touch events.
@@ -67,6 +69,8 @@ class WhiteboardView : View {
     private val canvasPaint = Paint(Paint.DITHER_FLAG)
 
     private var hasMoved = false
+    private val _isDrawing = MutableStateFlow(false)
+    val isDrawing = _isDrawing.asStateFlow()
 
     /**
      * Recreates the drawing buffer when the view size changes.
@@ -118,6 +122,7 @@ class WhiteboardView : View {
         when (event.action) {
             MotionEvent.ACTION_DOWN -> {
                 hasMoved = false
+                _isDrawing.value = true
                 currentPath.moveTo(touchX, touchY)
                 if (isPathEraser) {
                     onEraseGestureStart?.invoke()
@@ -134,6 +139,7 @@ class WhiteboardView : View {
                 invalidate()
             }
             MotionEvent.ACTION_UP -> {
+                _isDrawing.value = false
                 if (isPathEraser) {
                     onEraseGestureEnd?.invoke()
                 } else {
diff --git a/AnkiDroid/src/main/res/layout/fragment_whiteboard.xml b/AnkiDroid/src/main/res/layout/fragment_whiteboard.xml
index a375802f5c2a..127fb48f24c7 100644
--- a/AnkiDroid/src/main/res/layout/fragment_whiteboard.xml
+++ b/AnkiDroid/src/main/res/layout/fragment_whiteboard.xml
@@ -122,4 +122,4 @@
         </LinearLayout>
 
     </com.google.android.material.card.MaterialCardView>
-</androidx.constraintlayout.widget.ConstraintLayout>
+</androidx.constraintlayout.widget.ConstraintLayout>
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