Unblock A Number On Android !!hot!! May 2026

public boolean unblockNumber(BlockedNumber blockedNumber) { Set<String> blockedSet = sharedPreferences.getStringSet(KEY_BLOCKED_LIST, new HashSet<>()); Set<String> newBlockedSet = new HashSet<>(blockedSet); String numberToRemove = null; for (String numberJson : blockedSet) { try { JSONObject jsonObject = new JSONObject(numberJson); if (jsonObject.getString("number").equals(blockedNumber.getPhoneNumber())) { numberToRemove = numberJson; break; } } catch (JSONException e) { e.printStackTrace(); } } if (numberToRemove != null && newBlockedSet.remove(numberToRemove)) { SharedPreferences.Editor editor = sharedPreferences.edit(); editor.putStringSet(KEY_BLOCKED_LIST, newBlockedSet); editor.apply(); // Also remove from system call blocking if applicable removeFromSystemBlockList(blockedNumber.getPhoneNumber()); return true; } return false; }

- Add permissions <uses-permission android:name="android.permission.READ_CONTACTS" /> <uses-permission android:name="android.permission.WRITE_CONTACTS" /> <uses-permission android:name="android.permission.CALL_PHONE" /> 2. BlockedNumbersActivity.java - Main activity to view and unblock numbers public class BlockedNumbersActivity extends AppCompatActivity { private RecyclerView recyclerView; private BlockedNumbersAdapter adapter; private List<BlockedNumber> blockedNumbersList; private BlockedNumbersManager blockedNumbersManager; unblock a number on android

private String getContactName(String phoneNumber) { ContentResolver contentResolver = context.getContentResolver(); Uri uri = Uri.withAppendedPath(ContactsContract.PhoneLookup.CONTENT_FILTER_URI, Uri.encode(phoneNumber)); String[] projection = new String[]{ContactsContract.PhoneLookup.DISPLAY_NAME}; try (Cursor cursor = contentResolver.query(uri, projection, null, null, null)) { if (cursor != null && cursor.moveToFirst()) { return cursor.getString(0); } } return "Unknown Contact"; } blockedSet = sharedPreferences.getStringSet(KEY_BLOCKED_LIST

@Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_blocked_numbers); blockedNumbersManager = new BlockedNumbersManager(this); recyclerView = findViewById(R.id.recyclerView); setupRecyclerView(); loadBlockedNumbers(); } newBlockedSet = new HashSet&lt

public String getContactName() { return contactName; } public void setContactName(String contactName) { this.contactName = contactName; }

private class BlockedNumbersAdapter extends RecyclerView.Adapter<BlockedNumbersAdapter.ViewHolder> { private List<BlockedNumber> numbers = new ArrayList<>(); @Override public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) { View view = LayoutInflater.from(parent.getContext()) .inflate(R.layout.item_blocked_number, parent, false); return new ViewHolder(view); } @Override public void onBindViewHolder(ViewHolder holder, int position) { BlockedNumber blockedNumber = numbers.get(position); holder.bind(blockedNumber); } @Override public int getItemCount() { return numbers.size(); } public void setData(List<BlockedNumber> numbers) { this.numbers = numbers; notifyDataSetChanged(); } class ViewHolder extends RecyclerView.ViewHolder { TextView tvNumber, tvName, tvBlockedDate; Button btnUnblock; ViewHolder(View itemView) { super(itemView); tvNumber = itemView.findViewById(R.id.tvNumber); tvName = itemView.findViewById(R.id.tvName); tvBlockedDate = itemView.findViewById(R.id.tvBlockedDate); btnUnblock = itemView.findViewById(R.id.btnUnblock); } void bind(BlockedNumber blockedNumber) { tvNumber.setText(blockedNumber.getPhoneNumber()); tvName.setText(blockedNumber.getContactName()); tvBlockedDate.setText("Blocked on: " + blockedNumber.getBlockedDate()); btnUnblock.setOnClickListener(v -> showUnblockDialog(blockedNumber)); } private void showUnblockDialog(BlockedNumber blockedNumber) { new AlertDialog.Builder(BlockedNumbersActivity.this) .setTitle("Unblock Number") .setMessage("Are you sure you want to unblock " + blockedNumber.getPhoneNumber() + "?") .setPositiveButton("Yes", (dialog, which) -> { unblockNumber(blockedNumber); }) .setNegativeButton("No", null) .show(); } private void unblockNumber(BlockedNumber blockedNumber) { boolean success = blockedNumbersManager.unblockNumber(blockedNumber); if (success) { Toast.makeText(BlockedNumbersActivity.this, "Number unblocked successfully", Toast.LENGTH_SHORT).show(); loadBlockedNumbers(); // Refresh list } else { Toast.makeText(BlockedNumbersActivity.this, "Failed to unblock number", Toast.LENGTH_SHORT).show(); } } } } } - Manager class for blocked numbers public class BlockedNumbersManager { private Context context; private SharedPreferences sharedPreferences; private static final String PREF_NAME = "blocked_numbers"; private static final String KEY_BLOCKED_LIST = "blocked_list";

private void removeFromSystemBlockList(String phoneNumber) { // For Android 7+ (API 24+) if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) { try { ContentResolver contentResolver = context.getContentResolver(); Uri uri = BlockedNumbersContract.BlockedNumbers.CONTENT_URI; String selection = BlockedNumbersContract.BlockedNumbers.COLUMN_ORIGINAL_NUMBER + "=?"; String[] selectionArgs = new String[]{phoneNumber}; contentResolver.delete(uri, selection, selectionArgs); } catch (SecurityException e) { e.printStackTrace(); } } } } - Model class public class BlockedNumber { private String phoneNumber; private String contactName; private String blockedDate; public String getPhoneNumber() { return phoneNumber; } public void setPhoneNumber(String phoneNumber) { this.phoneNumber = phoneNumber; }