Merge "Fix NullPointerException to get sim accounts"
diff --git a/core/java/android/provider/ContactsContract.java b/core/java/android/provider/ContactsContract.java
index 3c1b4ba..0012572 100644
--- a/core/java/android/provider/ContactsContract.java
+++ b/core/java/android/provider/ContactsContract.java
@@ -8410,7 +8410,7 @@
             extras.putString(KEY_ACCOUNT_NAME, accountName);
             extras.putString(KEY_ACCOUNT_TYPE, accountType);
 
-            contentResolver.call(ContactsContract.AUTHORITY_URI,
+            nullSafeCall(contentResolver, ContactsContract.AUTHORITY_URI,
                     ContactsContract.SimContacts.ADD_SIM_ACCOUNT_METHOD,
                     null, extras);
         }
@@ -8433,7 +8433,7 @@
             Bundle extras = new Bundle();
             extras.putInt(KEY_SIM_SLOT_INDEX, simSlotIndex);
 
-            contentResolver.call(ContactsContract.AUTHORITY_URI,
+            nullSafeCall(contentResolver, ContactsContract.AUTHORITY_URI,
                     ContactsContract.SimContacts.REMOVE_SIM_ACCOUNT_METHOD,
                     null, extras);
         }
@@ -8445,7 +8445,7 @@
          */
         public static @NonNull List<SimAccount> getSimAccounts(
                 @NonNull ContentResolver contentResolver) {
-            Bundle response = contentResolver.call(ContactsContract.AUTHORITY_URI,
+            Bundle response = nullSafeCall(contentResolver, ContactsContract.AUTHORITY_URI,
                     ContactsContract.SimContacts.QUERY_SIM_ACCOUNTS_METHOD,
                     null, null);
             List<SimAccount> result = response.getParcelableArrayList(KEY_SIM_ACCOUNTS);
@@ -9064,7 +9064,8 @@
          * @param contactId the id of the contact to undemote.
          */
         public static void undemote(ContentResolver contentResolver, long contactId) {
-            contentResolver.call(ContactsContract.AUTHORITY_URI, PinnedPositions.UNDEMOTE_METHOD,
+            nullSafeCall(contentResolver, ContactsContract.AUTHORITY_URI,
+                    PinnedPositions.UNDEMOTE_METHOD,
                     String.valueOf(contactId), null);
         }
 
@@ -10276,4 +10277,13 @@
         public static final String CONTENT_ITEM_TYPE =
                 "vnd.android.cursor.item/contact_metadata_sync_state";
     }
+
+    private static Bundle nullSafeCall(@NonNull ContentResolver resolver, @NonNull Uri uri,
+            @NonNull String method, @Nullable String arg, @Nullable Bundle extras) {
+        try (ContentProviderClient client = resolver.acquireContentProviderClient(uri)) {
+            return client.call(method, arg, extras);
+        } catch (RemoteException e) {
+            throw e.rethrowAsRuntimeException();
+        }
+    }
 }