System Architecture Note Date: October 2023 (Revised for 2024-2026 Android Versions) Target API: Android 13+ (API 33), Android 14 (API 34), Android 15 Beta
After trying these methods, the contact should be unblocked, and you should be able to receive calls or messages from them again. unblock contact android
// Simplified sequence from BlockedNumberProvider.java public int delete(Uri uri, String selection, String[] selectionArgs) // 1. Validate caller has WRITE_BLOCKED_NUMBERS permission // 2. Acquire a database write lock on blocked_numbers.db // 3. Delete the row matching the normalized phone number (E.164 format) int rowsDeleted = mDb.delete(TABLE_BLOCKED, whereClause, args); // 4. Trigger a ContentObserver notification to TelephonyManager Intent intent = new Intent(TelephonyManager.ACTION_BLOCKED_NUMBER_REMOVED); mContext.sendBroadcast(intent, BLOCKED_NUMBER_PERMISSION); System Architecture Note Date: October 2023 (Revised for
// 5. Reset local spam confidence for that number val pm = context.getSystemService(ProtectionManager::class.java) // Android 14+ pm.resetSpamFeedback(normalized) Acquire a database write lock on blocked_numbers