From 113417fe0cb3f26cf098d440936f6f53a1ced54a Mon Sep 17 00:00:00 2001
From: Thiago Brezinski <thiagobrez@gmail.com>
Date: Thu, 2 Jul 2026 14:17:03 +0100
Subject: [PATCH] fix(android): expose tab test ids to UIAutomator

---
 .changeset/maestro-android-testid.md          |  5 +++
 .../main/java/com/rcttabview/RCTTabView.kt    | 32 +++++++++++++++----
 2 files changed, 31 insertions(+), 6 deletions(-)
 create mode 100644 .changeset/maestro-android-testid.md

diff --git a/.changeset/maestro-android-testid.md b/.changeset/maestro-android-testid.md
new file mode 100644
index 00000000..e0879f7d
--- /dev/null
+++ b/.changeset/maestro-android-testid.md
@@ -0,0 +1,5 @@
+---
+"react-native-bottom-tabs": patch
+---
+
+Expose Android tab button test IDs as accessibility resource IDs for UIAutomator-based E2E tools.
diff --git a/packages/react-native-bottom-tabs/android/src/main/java/com/rcttabview/RCTTabView.kt b/packages/react-native-bottom-tabs/android/src/main/java/com/rcttabview/RCTTabView.kt
index 911d2789..588ed293 100644
--- a/packages/react-native-bottom-tabs/android/src/main/java/com/rcttabview/RCTTabView.kt
+++ b/packages/react-native-bottom-tabs/android/src/main/java/com/rcttabview/RCTTabView.kt
@@ -20,7 +20,10 @@ import android.view.ViewGroup
 import android.widget.FrameLayout
 import android.widget.LinearLayout
 import android.widget.TextView
+import androidx.core.view.AccessibilityDelegateCompat
 import androidx.core.view.MenuItemCompat
+import androidx.core.view.ViewCompat
+import androidx.core.view.accessibility.AccessibilityNodeInfoCompat
 import androidx.core.view.forEachIndexed
 import coil3.ImageLoader
 import coil3.asDrawable
@@ -281,12 +284,7 @@ class ReactBottomNavigationView(context: Context) : LinearLayout(context) {
             onTabSelected(menuItem)
           }
 
-          item.testID?.let { testId ->
-            view.findViewById<View>(com.google.android.material.R.id.navigation_bar_item_content_container)
-              ?.apply {
-                tag = testId
-              }
-          }
+          applyTestID(view, item.testID)
         }
       }
     }
@@ -301,6 +299,28 @@ class ReactBottomNavigationView(context: Context) : LinearLayout(context) {
     return bottomNavigation.menu.findItem(index) ?: bottomNavigation.menu.add(0, index, 0, title)
   }
 
+  private fun applyTestID(itemView: View, testID: String?) {
+    val contentContainer =
+      itemView.findViewById<View>(com.google.android.material.R.id.navigation_bar_item_content_container)
+        ?: return
+
+    contentContainer.tag = testID
+    if (testID == null) {
+      ViewCompat.setAccessibilityDelegate(contentContainer, null)
+      return
+    }
+
+    ViewCompat.setAccessibilityDelegate(contentContainer, object : AccessibilityDelegateCompat() {
+      override fun onInitializeAccessibilityNodeInfo(
+        host: View,
+        info: AccessibilityNodeInfoCompat
+      ) {
+        super.onInitializeAccessibilityNodeInfo(host, info)
+        info.viewIdResourceName = testID
+      }
+    })
+  }
+
   private fun updateIconTintMode(menuItem: MenuItem, item: TabInfo) {
     MenuItemCompat.setIconTintMode(
       menuItem,