diff --git a/src/com/android/phone/euicc/EuiccResolutionUiDispatcherActivity.java b/src/com/android/phone/euicc/EuiccResolutionUiDispatcherActivity.java
index 0f083c9..fd741a0 100644
--- a/src/com/android/phone/euicc/EuiccResolutionUiDispatcherActivity.java
+++ b/src/com/android/phone/euicc/EuiccResolutionUiDispatcherActivity.java
@@ -20,6 +20,7 @@
 import android.content.Intent;
 import android.service.euicc.EuiccService;
 import android.telephony.euicc.EuiccManager;
+import android.util.ArraySet;
 import android.util.Log;
 
 /**
@@ -33,6 +34,14 @@
 public class EuiccResolutionUiDispatcherActivity extends EuiccUiDispatcherActivity {
     private static final String TAG = "EuiccResUiDispatcher";
 
+    /** List of all valid resolution actions for validation purposes. */
+    private static final ArraySet<String> RESOLUTION_ACTIONS = new ArraySet<>();
+    static {
+        RESOLUTION_ACTIONS.add(EuiccService.ACTION_RESOLVE_DEACTIVATE_SIM);
+        RESOLUTION_ACTIONS.add(EuiccService.ACTION_RESOLVE_NO_PRIVILEGES);
+        RESOLUTION_ACTIONS.add(EuiccService.ACTION_RESOLVE_RESOLVABLE_ERRORS);
+    }
+
     @Override
     @Nullable
     protected Intent getEuiccUiIntent() {
@@ -45,7 +54,7 @@
         String euiccUiAction =
                 getIntent().getStringExtra(
                         EuiccManager.EXTRA_EMBEDDED_SUBSCRIPTION_RESOLUTION_ACTION);
-        if (!EuiccService.RESOLUTION_ACTIONS.contains(euiccUiAction)) {
+        if (!RESOLUTION_ACTIONS.contains(euiccUiAction)) {
             Log.w(TAG, "Unknown resolution action: " + euiccUiAction);
             return null;
         }