fix: text classifier crash in Android

android/src/main/java/com/swmansion/enriched/EnrichedTextClassifier.kt

@@ -0,0 +1,39 @@
+package com.swmansion.enriched
+
+import android.os.Build
+import android.view.textclassifier.TextClassification
+import android.view.textclassifier.TextClassifier
+import android.view.textclassifier.TextSelection
+import androidx.annotation.RequiresApi
+import com.swmansion.enriched.constants.Strings
+
+@RequiresApi(Build.VERSION_CODES.O)
+internal class EnrichedTextClassifier(
+  private val delegate: TextClassifier,
+) : TextClassifier {
+  @RequiresApi(Build.VERSION_CODES.P)
+  override fun suggestSelection(request: TextSelection.Request): TextSelection =
+    if (touchesReplacementBlock(request.text, request.startIndex, request.endIndex)) {
+      TextSelection.Builder(request.startIndex, request.endIndex).build()
+    } else {
+      delegate.suggestSelection(request)
+    }
+
+  @RequiresApi(Build.VERSION_CODES.P)
+  override fun classifyText(request: TextClassification.Request): TextClassification =
+    if (touchesReplacementBlock(request.text, request.startIndex, request.endIndex)) {
+      TextClassification.Builder().build()
+    } else {
+      delegate.classifyText(request)
+    }
+
+  private fun touchesReplacementBlock(
+    text: CharSequence,
+    start: Int,
+    end: Int,
+  ): Boolean {
+    val from = (start - 1).coerceAtLeast(0)
+    val to = (end + 1).coerceAtMost(text.length)
+    return (from until to).any { text[it] == Strings.OBJECT_REPLACEMENT_CHAR }
+  }
+}

android/src/main/java/com/swmansion/enriched/EnrichedTextInputView.kt

@@ -121,6 +121,7 @@ class EnrichedTextInputView : AppCompatEditText {
   private var typefaceDirty = false
 
   private var inputMethodManager: InputMethodManager? = null
+  private var enrichedTextClassifier: EnrichedTextClassifier? = null
   private var autoFocus = false
   private var didAttachToWindow = false
 
@@ -210,6 +211,12 @@ class EnrichedTextInputView : AppCompatEditText {
     transformationMethod = LineSeparatorTransformationMethod()
     addTextChangedListener(EnrichedTextWatcher(this))
     filters = arrayOf(NonEditableParagraphFilter(), ParagraphLimitFilter(this))
+    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+      enrichedTextClassifier =
+        EnrichedTextClassifier(textClassifier).also {
+          setTextClassifier(it)
+        }
+    }
   }
 
   override fun onLayout(