def restore(self, t):

            if t == 'standard':
                text = self.enter_seed_dialog(MSG_ENTER_ANYTHING, None)
                if not text:
                    return
                if Wallet.is_xprv(text):
                    password = self.password_dialog()
                    wallet = Wallet.from_xprv(text, password, self.storage)
                elif Wallet.is_old_mpk(text):
                    wallet = Wallet.from_old_mpk(text, self.storage)
                elif Wallet.is_xpub(text):
                    wallet = Wallet.from_xpub(text, self.storage)
                elif Wallet.is_address(text):
                    wallet = Wallet.from_address(text, self.storage)
                elif Wallet.is_private_key(text):
                    password = self.password_dialog()
                    wallet = Wallet.from_private_key(text, password, self.storage)
                elif Wallet.is_seed(text):
                    password = self.password_dialog()
                    wallet = Wallet.from_seed(text, password, self.storage)
                else:
                    raise BaseException('unknown wallet type')

            elif t in ['2of2', '2of3']:
                key_list = self.multi_seed_dialog(1 if t == '2of2' else 2)
                if not key_list:
                    return
                password = self.password_dialog() if any(map(lambda x: Wallet.is_seed(x) or Wallet.is_xprv(x), key_list)) else None
                wallet = Wallet.from_multisig(key_list, password, self.storage)

            else:
                self.storage.put('wallet_type', t)
                wallet = always_hook('installwizard_restore', self, self.storage)
                if not wallet:
                    return

            # create first keys offline
            self.waiting_dialog(wallet.synchronize)

            return wallet
    def __init__(self):
        global wallet
        self.qr_data = None
        storage = WalletStorage('/sdcard/electrum-rby/authenticator')
        if not storage.file_exists:

            action = self.restore_or_create()
            if not action:
                exit()
            password = droid.dialogGetPassword('Choose a password').result
            if password:
                password2 = droid.dialogGetPassword('Confirm password').result
                if password != password2:
                    modal_dialog('Error', 'Passwords do not match')
                    exit()
            else:
                password = None
            if action == 'create':
                wallet = Wallet(storage)
                seed = wallet.make_seed()
                modal_dialog('Your seed is:', seed)
            elif action == 'import':
                seed = self.seed_dialog()
                if not seed:
                    exit()
                if not Wallet.is_seed(seed):
                    exit()
                wallet = Wallet.from_seed(seed, storage)
            else:
                exit()

            wallet.add_seed(seed, password)
            wallet.create_master_keys(password)
            wallet.create_main_account(password)
        else:
            wallet = Wallet(storage)