app/src/main/java/net/ktnx/mobileledger/ui/profiles/ProfileDetailFragment.java

   1 /*
   2  * Copyright © 2020 Damyan Ivanov.
   3  * This file is part of MoLe.
   4  * MoLe is free software: you can distribute it and/or modify it
   5  * under the term of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 3 of the License, or
   7  * (at your opinion), any later version.
   8  *
   9  * MoLe is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12  * GNU General Public License terms for details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with MoLe. If not, see <https://www.gnu.org/licenses/>.
  16  */
  17
  18 package net.ktnx.mobileledger.ui.profiles;
  19
  20 import android.app.Activity;
  21 import android.app.AlertDialog;
  22 import android.graphics.Typeface;
  23 import android.os.Bundle;
  24 import android.text.Editable;
  25 import android.text.TextWatcher;
  26 import android.view.Menu;
  27 import android.view.MenuInflater;
  28 import android.view.MenuItem;
  29 import android.view.View;
  30 import android.widget.LinearLayout;
  31 import android.widget.PopupMenu;
  32 import android.widget.Switch;
  33 import android.widget.TextView;
  34
  35 import androidx.annotation.NonNull;
  36 import androidx.annotation.Nullable;
  37 import androidx.appcompat.app.AppCompatActivity;
  38 import androidx.fragment.app.Fragment;
  39 import androidx.fragment.app.FragmentActivity;
  40 import androidx.lifecycle.LifecycleOwner;
  41 import androidx.lifecycle.ViewModelProvider;
  42
  43 import com.google.android.material.appbar.CollapsingToolbarLayout;
  44 import com.google.android.material.floatingactionbutton.FloatingActionButton;
  45 import com.google.android.material.textfield.TextInputLayout;
  46
  47 import net.ktnx.mobileledger.BuildConfig;
  48 import net.ktnx.mobileledger.R;
  49 import net.ktnx.mobileledger.async.SendTransactionTask;
  50 import net.ktnx.mobileledger.model.Data;
  51 import net.ktnx.mobileledger.model.MobileLedgerProfile;
  52 import net.ktnx.mobileledger.ui.CurrencySelectorFragment;
  53 import net.ktnx.mobileledger.ui.HueRingDialog;
  54 import net.ktnx.mobileledger.ui.activity.ProfileDetailActivity;
  55 import net.ktnx.mobileledger.utils.Colors;
  56 import net.ktnx.mobileledger.utils.Misc;
  57
  58 import org.jetbrains.annotations.NonNls;
  59 import org.jetbrains.annotations.NotNull;
  60
  61 import java.net.MalformedURLException;
  62 import java.net.URL;
  63 import java.util.ArrayList;
  64 import java.util.Objects;
  65 import java.util.UUID;
  66
  67 import static net.ktnx.mobileledger.utils.Logger.debug;
  68
  69 /**
  70  * A fragment representing a single Profile detail screen.
  71  * a {@link ProfileDetailActivity}
  72  * on handsets.
  73  */
  74 public class ProfileDetailFragment extends Fragment {
  75     /**
  76      * The fragment argument representing the item ID that this fragment
  77      * represents.
  78      */
  79     public static final String ARG_ITEM_ID = "item_id";
  80     public static final String ARG_HUE = "hue";
  81     @NonNls
  82
  83     private MobileLedgerProfile mProfile;
  84     private TextView url;
  85     private TextView defaultCommodity;
  86     private boolean defaultCommoditySet;
  87     private TextInputLayout urlLayout;
  88     private LinearLayout authParams;
  89     private Switch useAuthentication;
  90     private TextView userName;
  91     private TextInputLayout userNameLayout;
  92     private TextView password;
  93     private TextInputLayout passwordLayout;
  94     private TextView profileName;
  95     private TextInputLayout profileNameLayout;
  96     private TextView preferredAccountsFilter;
  97     private View huePickerView;
  98     private View insecureWarningText;
  99     private TextView futureDatesText;
 100     private TextView apiVersionText;
 101     private boolean syncingModelFromUI = false;
 102     /**
 103      * Mandatory empty constructor for the fragment manager to instantiate the
 104      * fragment (e.g. upon screen orientation changes).
 105      */
 106     public ProfileDetailFragment() {
 107         super(R.layout.profile_detail);
 108     }
 109     @Override
 110     public void onCreateOptionsMenu(@NotNull Menu menu, @NotNull MenuInflater inflater) {
 111         debug("profiles", "[fragment] Creating profile details options menu");
 112         super.onCreateOptionsMenu(menu, inflater);
 113         inflater.inflate(R.menu.profile_details, menu);
 114         final MenuItem menuDeleteProfile = menu.findItem(R.id.menuDelete);
 115         menuDeleteProfile.setOnMenuItemClickListener(item -> {
 116             AlertDialog.Builder builder = new AlertDialog.Builder(getContext());
 117             builder.setTitle(mProfile.getName());
 118             builder.setMessage(R.string.remove_profile_dialog_message);
 119             builder.setPositiveButton(R.string.Remove, (dialog, which) -> {
 120                 debug("profiles",
 121                         String.format("[fragment] removing profile %s", mProfile.getUuid()));
 122                 mProfile.removeFromDB();
 123                 ArrayList<MobileLedgerProfile> oldList = Data.profiles.getValue();
 124                 if (oldList == null)
 125                     throw new AssertionError();
 126                 ArrayList<MobileLedgerProfile> newList = new ArrayList<>(oldList);
 127                 newList.remove(mProfile);
 128                 Data.profiles.setValue(newList);
 129                 if (mProfile.equals(Data.getProfile())) {
 130                     debug("profiles", "[fragment] setting current profile to 0");
 131                     Data.setCurrentProfile(newList.get(0));
 132                 }
 133
 134                 final FragmentActivity activity = getActivity();
 135                 if (activity != null)
 136                     activity.finish();
 137             });
 138             builder.show();
 139             return false;
 140         });
 141         final ArrayList<MobileLedgerProfile> profiles = Data.profiles.getValue();
 142         menuDeleteProfile.setVisible(
 143                 (mProfile != null) && (profiles != null) && (profiles.size() > 1));
 144
 145         if (BuildConfig.DEBUG) {
 146             final MenuItem menuWipeProfileData = menu.findItem(R.id.menuWipeData);
 147             menuWipeProfileData.setOnMenuItemClickListener(ignored -> onWipeDataMenuClicked());
 148             menuWipeProfileData.setVisible(mProfile != null);
 149         }
 150     }
 151     private boolean onWipeDataMenuClicked() {
 152         // this is a development option, so no confirmation
 153         mProfile.wipeAllData();
 154         if (mProfile.equals(Data.getProfile()))
 155             triggerProfileChange();
 156         return true;
 157     }
 158     private void triggerProfileChange() {
 159         int index = Data.getProfileIndex(mProfile);
 160         MobileLedgerProfile newProfile = new MobileLedgerProfile(mProfile);
 161         final ArrayList<MobileLedgerProfile> profiles =
 162                 Objects.requireNonNull(Data.profiles.getValue());
 163         profiles.set(index, newProfile);
 164
 165         ProfilesRecyclerViewAdapter viewAdapter = ProfilesRecyclerViewAdapter.getInstance();
 166         if (viewAdapter != null)
 167             viewAdapter.notifyItemChanged(index);
 168
 169         if (mProfile.equals(Data.getProfile()))
 170             Data.setCurrentProfile(newProfile);
 171     }
 172     private void hookTextChangeSyncRoutine(TextView view, TextChangeSyncRoutine syncRoutine) {
 173         view.addTextChangedListener(new TextWatcher() {
 174             @Override
 175             public void beforeTextChanged(CharSequence s, int start, int count, int after) {}
 176             @Override
 177             public void onTextChanged(CharSequence s, int start, int before, int count) {}
 178             @Override
 179             public void afterTextChanged(Editable s) { syncRoutine.onTextChanged(s.toString());}
 180         });
 181     }
 182     @Override
 183     public void onActivityCreated(@Nullable Bundle savedInstanceState) {
 184         super.onActivityCreated(savedInstanceState);
 185         Activity context = getActivity();
 186         if (context == null)
 187             return;
 188
 189         if ((getArguments() != null) && getArguments().containsKey(ARG_ITEM_ID)) {
 190             int index = getArguments().getInt(ARG_ITEM_ID, -1);
 191             ArrayList<MobileLedgerProfile> profiles = Data.profiles.getValue();
 192             if ((profiles != null) && (index != -1) && (index < profiles.size()))
 193                 mProfile = profiles.get(index);
 194
 195             Activity activity = this.getActivity();
 196             if (activity == null)
 197                 throw new AssertionError();
 198             CollapsingToolbarLayout appBarLayout = activity.findViewById(R.id.toolbar_layout);
 199             if (appBarLayout != null) {
 200                 if (mProfile != null)
 201                     appBarLayout.setTitle(mProfile.getName());
 202                 else
 203                     appBarLayout.setTitle(getResources().getString(R.string.new_profile_title));
 204             }
 205         }
 206
 207         final LifecycleOwner viewLifecycleOwner = getViewLifecycleOwner();
 208         final ProfileDetailModel model = getModel();
 209
 210         model.observeDefaultCommodity(viewLifecycleOwner, c -> {
 211             if (c != null)
 212                 setDefaultCommodity(c.getName());
 213             else
 214                 resetDefaultCommodity();
 215         });
 216
 217         FloatingActionButton fab = context.findViewById(R.id.fab);
 218         fab.setOnClickListener(v -> onSaveFabClicked());
 219
 220         profileName = context.findViewById(R.id.profile_name);
 221         hookTextChangeSyncRoutine(profileName, model::setProfileName);
 222         model.observeProfileName(viewLifecycleOwner, pn -> {
 223             if (!Misc.equalStrings(pn, profileName.getText()))
 224                 profileName.setText(pn);
 225         });
 226
 227         profileNameLayout = context.findViewById(R.id.profile_name_layout);
 228
 229         url = context.findViewById(R.id.url);
 230         hookTextChangeSyncRoutine(url, model::setUrl);
 231         model.observeUrl(viewLifecycleOwner, u -> {
 232             if (!Misc.equalStrings(u, url.getText()))
 233                 url.setText(u);
 234         });
 235
 236         urlLayout = context.findViewById(R.id.url_layout);
 237
 238         context.findViewById(R.id.default_commodity_layout)
 239                .setOnClickListener(v -> {
 240                    CurrencySelectorFragment cpf = CurrencySelectorFragment.newInstance(
 241                            CurrencySelectorFragment.DEFAULT_COLUMN_COUNT, false);
 242                    cpf.setOnCurrencySelectedListener(model::setDefaultCommodity);
 243                    final AppCompatActivity activity = (AppCompatActivity) v.getContext();
 244                    cpf.show(activity.getSupportFragmentManager(), "currency-selector");
 245                });
 246
 247         Switch showCommodityByDefault = context.findViewById(R.id.profile_show_commodity);
 248         showCommodityByDefault.setOnCheckedChangeListener(
 249                 (buttonView, isChecked) -> model.setShowCommodityByDefault(isChecked));
 250         model.observeShowCommodityByDefault(viewLifecycleOwner, showCommodityByDefault::setChecked);
 251
 252         View postingSubItems = context.findViewById(R.id.posting_sub_items);
 253
 254         Switch postingPermitted = context.findViewById(R.id.profile_permit_posting);
 255         model.observePostingPermitted(viewLifecycleOwner, isChecked -> {
 256             postingPermitted.setChecked(isChecked);
 257             postingSubItems.setVisibility(isChecked ? View.VISIBLE : View.GONE);
 258         });
 259         postingPermitted.setOnCheckedChangeListener(
 260                 ((buttonView, isChecked) -> model.setPostingPermitted(isChecked)));
 261
 262         Switch showCommentsByDefault = context.findViewById(R.id.profile_show_comments);
 263         model.observeShowCommentsByDefault(viewLifecycleOwner, showCommentsByDefault::setChecked);
 264         showCommentsByDefault.setOnCheckedChangeListener(
 265                 ((buttonView, isChecked) -> model.setShowCommentsByDefault(isChecked)));
 266
 267         defaultCommodity = context.findViewById(R.id.default_commodity_text);
 268
 269         futureDatesText = context.findViewById(R.id.future_dates_text);
 270         context.findViewById(R.id.future_dates_layout)
 271                .setOnClickListener(v -> {
 272                    MenuInflater mi = new MenuInflater(context);
 273                    PopupMenu menu = new PopupMenu(context, v);
 274                    menu.inflate(R.menu.future_dates);
 275                    menu.setOnMenuItemClickListener(item -> {
 276                        model.setFutureDates(futureDatesSettingFromMenuItemId(item.getItemId()));
 277                        return true;
 278                    });
 279                    menu.show();
 280                });
 281         model.observeFutureDates(viewLifecycleOwner,
 282                 v -> futureDatesText.setText(v.getText(getResources())));
 283
 284         apiVersionText = context.findViewById(R.id.api_version_text);
 285         model.observeApiVersion(viewLifecycleOwner,
 286                 apiVer -> apiVersionText.setText(apiVer.getDescription(getResources())));
 287         context.findViewById(R.id.api_version_layout)
 288                .setOnClickListener(v -> {
 289                    MenuInflater mi = new MenuInflater(context);
 290                    PopupMenu menu = new PopupMenu(context, v);
 291                    menu.inflate(R.menu.api_version);
 292                    menu.setOnMenuItemClickListener(item -> {
 293                        SendTransactionTask.API apiVer;
 294                        switch (item.getItemId()) {
 295                            case R.id.api_version_menu_html:
 296                                apiVer = SendTransactionTask.API.html;
 297                                break;
 298                            case R.id.api_version_menu_post_1_14:
 299                                apiVer = SendTransactionTask.API.post_1_14;
 300                                break;
 301                            case R.id.api_version_menu_pre_1_15:
 302                                apiVer = SendTransactionTask.API.pre_1_15;
 303                                break;
 304                            case R.id.api_version_menu_auto:
 305                            default:
 306                                apiVer = SendTransactionTask.API.auto;
 307                        }
 308                        model.setApiVersion(apiVer);
 309                        apiVersionText.setText(apiVer.getDescription(getResources()));
 310                        return true;
 311                    });
 312                    menu.show();
 313                });
 314         authParams = context.findViewById(R.id.auth_params);
 315
 316         useAuthentication = context.findViewById(R.id.enable_http_auth);
 317         useAuthentication.setOnCheckedChangeListener((buttonView, isChecked) -> {
 318             model.setUseAuthentication(isChecked);
 319             if (isChecked)
 320                 userName.requestFocus();
 321         });
 322         model.observeUseAuthentication(viewLifecycleOwner, isChecked -> {
 323             useAuthentication.setChecked(isChecked);
 324             authParams.setVisibility(isChecked ? View.VISIBLE : View.GONE);
 325             checkInsecureSchemeWithAuth();
 326         });
 327
 328         userName = context.findViewById(R.id.auth_user_name);
 329         model.observeUserName(viewLifecycleOwner, text -> {
 330             if (!Misc.equalStrings(text, userName.getText()))
 331                 userName.setText(text);
 332         });
 333         hookTextChangeSyncRoutine(userName, model::setAuthUserName);
 334         userNameLayout = context.findViewById(R.id.auth_user_name_layout);
 335
 336         password = context.findViewById(R.id.password);
 337         model.observePassword(viewLifecycleOwner, text -> {
 338             if (!Misc.equalStrings(text, password.getText()))
 339                 password.setText(text);
 340         });
 341         hookTextChangeSyncRoutine(password, model::setAuthPassword);
 342         passwordLayout = context.findViewById(R.id.password_layout);
 343
 344         huePickerView = context.findViewById(R.id.btn_pick_ring_color);
 345         model.observeThemeId(viewLifecycleOwner, themeId -> {
 346             final int hue = (themeId == -1) ? Colors.DEFAULT_HUE_DEG : themeId;
 347             final int profileColor = Colors.getPrimaryColorForHue(hue);
 348             huePickerView.setBackgroundColor(profileColor);
 349             huePickerView.setTag(hue);
 350         });
 351
 352         preferredAccountsFilter = context.findViewById(R.id.preferred_accounts_filter_filter);
 353         model.observePreferredAccountsFilter(viewLifecycleOwner, text -> {
 354             if (!Misc.equalStrings(text, preferredAccountsFilter.getText()))
 355                 preferredAccountsFilter.setText(text);
 356         });
 357         hookTextChangeSyncRoutine(preferredAccountsFilter, model::setPreferredAccountsFilter);
 358
 359         insecureWarningText = context.findViewById(R.id.insecure_scheme_text);
 360
 361         hookClearErrorOnFocusListener(profileName, profileNameLayout);
 362         hookClearErrorOnFocusListener(url, urlLayout);
 363         hookClearErrorOnFocusListener(userName, userNameLayout);
 364         hookClearErrorOnFocusListener(password, passwordLayout);
 365
 366         if (savedInstanceState == null) {
 367             model.setValuesFromProfile(mProfile, getArguments().getInt(ARG_HUE, -1));
 368         }
 369         checkInsecureSchemeWithAuth();
 370
 371         url.addTextChangedListener(new TextWatcher() {
 372             @Override
 373             public void beforeTextChanged(CharSequence s, int start, int count, int after) {}
 374             @Override
 375             public void onTextChanged(CharSequence s, int start, int before, int count) {}
 376             @Override
 377             public void afterTextChanged(Editable s) {
 378                 checkInsecureSchemeWithAuth();
 379             }
 380         });
 381
 382         huePickerView.setOnClickListener(v -> {
 383             HueRingDialog d = new HueRingDialog(ProfileDetailFragment.this.requireContext(),
 384                     model.initialThemeHue, (Integer) v.getTag());
 385             d.show();
 386             d.setColorSelectedListener(model::setThemeId);
 387         });
 388
 389         profileName.requestFocus();
 390     }
 391     private MobileLedgerProfile.FutureDates futureDatesSettingFromMenuItemId(int itemId) {
 392         switch (itemId) {
 393             case R.id.menu_future_dates_7:
 394                 return MobileLedgerProfile.FutureDates.OneWeek;
 395             case R.id.menu_future_dates_14:
 396                 return MobileLedgerProfile.FutureDates.TwoWeeks;
 397             case R.id.menu_future_dates_30:
 398                 return MobileLedgerProfile.FutureDates.OneMonth;
 399             case R.id.menu_future_dates_60:
 400                 return MobileLedgerProfile.FutureDates.TwoMonths;
 401             case R.id.menu_future_dates_90:
 402                 return MobileLedgerProfile.FutureDates.ThreeMonths;
 403             case R.id.menu_future_dates_180:
 404                 return MobileLedgerProfile.FutureDates.SixMonths;
 405             case R.id.menu_future_dates_365:
 406                 return MobileLedgerProfile.FutureDates.OneYear;
 407             case R.id.menu_future_dates_all:
 408                 return MobileLedgerProfile.FutureDates.All;
 409             default:
 410                 return MobileLedgerProfile.FutureDates.None;
 411         }
 412     }
 413     @NotNull
 414     private ProfileDetailModel getModel() {
 415         return new ViewModelProvider(requireActivity()).get(ProfileDetailModel.class);
 416     }
 417     private void onSaveFabClicked() {
 418         if (!checkValidity())
 419             return;
 420
 421         ProfileDetailModel model = getModel();
 422
 423         if (mProfile != null) {
 424             model.updateProfile(mProfile);
 425 //                debug("profiles", String.format("Selected item is %d", mProfile.getThemeHue()));
 426             mProfile.storeInDB();
 427             debug("profiles", "profile stored in DB");
 428             triggerProfileChange();
 429         }
 430         else {
 431             mProfile = new MobileLedgerProfile(String.valueOf(UUID.randomUUID()));
 432             model.updateProfile(mProfile);
 433             mProfile.storeInDB();
 434             final ArrayList<MobileLedgerProfile> profiles = Data.profiles.getValue();
 435             if (profiles == null)
 436                 throw new AssertionError();
 437             ArrayList<MobileLedgerProfile> newList = new ArrayList<>(profiles);
 438             newList.add(mProfile);
 439             Data.profiles.setValue(newList);
 440             MobileLedgerProfile.storeProfilesOrder();
 441
 442             // first profile ever?
 443             if (newList.size() == 1)
 444                 Data.setCurrentProfile(mProfile);
 445         }
 446
 447         Activity activity = getActivity();
 448         if (activity != null)
 449             activity.finish();
 450     }
 451     private boolean checkUrlValidity() {
 452         boolean valid = true;
 453
 454         ProfileDetailModel model = getModel();
 455
 456         String val = model.getUrl()
 457                           .trim();
 458         if (val.isEmpty()) {
 459             valid = false;
 460             urlLayout.setError(getResources().getText(R.string.err_profile_url_empty));
 461         }
 462         try {
 463             URL url = new URL(val);
 464             String host = url.getHost();
 465             if (host == null || host.isEmpty())
 466                 throw new MalformedURLException("Missing host");
 467             String protocol = url.getProtocol()
 468                                  .toUpperCase();
 469             if (!protocol.equals("HTTP") && !protocol.equals("HTTPS")) {
 470                 valid = false;
 471                 urlLayout.setError(getResources().getText(R.string.err_invalid_url));
 472             }
 473         }
 474         catch (MalformedURLException e) {
 475             valid = false;
 476             urlLayout.setError(getResources().getText(R.string.err_invalid_url));
 477         }
 478
 479         return valid;
 480     }
 481     private void checkInsecureSchemeWithAuth() {
 482         boolean showWarning = false;
 483
 484         final ProfileDetailModel model = getModel();
 485
 486         if (model.getUseAuthentication()) {
 487             String urlText = model.getUrl();
 488             if (urlText.startsWith("http") && !urlText.startsWith("https"))
 489                 showWarning = true;
 490         }
 491
 492         if (showWarning)
 493             insecureWarningText.setVisibility(View.VISIBLE);
 494         else
 495             insecureWarningText.setVisibility(View.GONE);
 496     }
 497     private void hookClearErrorOnFocusListener(TextView view, TextInputLayout layout) {
 498         view.setOnFocusChangeListener((v, hasFocus) -> {
 499             if (hasFocus)
 500                 layout.setError(null);
 501         });
 502         view.addTextChangedListener(new TextWatcher() {
 503             @Override
 504             public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 505             }
 506             @Override
 507             public void onTextChanged(CharSequence s, int start, int before, int count) {
 508                 layout.setError(null);
 509             }
 510             @Override
 511             public void afterTextChanged(Editable s) {
 512             }
 513         });
 514     }
 515     private void syncModelFromUI() {
 516         if (syncingModelFromUI)
 517             return;
 518
 519         syncingModelFromUI = true;
 520
 521         try {
 522             ProfileDetailModel model = getModel();
 523
 524             model.setProfileName(profileName.getText());
 525             model.setUrl(url.getText());
 526             model.setPreferredAccountsFilter(preferredAccountsFilter.getText());
 527             model.setAuthUserName(userName.getText());
 528             model.setAuthPassword(password.getText());
 529         }
 530         finally {
 531             syncingModelFromUI = false;
 532         }
 533     }
 534     private boolean checkValidity() {
 535         boolean valid = true;
 536
 537         String val = String.valueOf(profileName.getText());
 538         if (val.trim()
 539                .isEmpty())
 540         {
 541             valid = false;
 542             profileNameLayout.setError(getResources().getText(R.string.err_profile_name_empty));
 543         }
 544
 545         if (!checkUrlValidity())
 546             valid = false;
 547
 548         if (useAuthentication.isChecked()) {
 549             val = String.valueOf(userName.getText());
 550             if (val.trim()
 551                    .isEmpty())
 552             {
 553                 valid = false;
 554                 userNameLayout.setError(
 555                         getResources().getText(R.string.err_profile_user_name_empty));
 556             }
 557
 558             val = String.valueOf(password.getText());
 559             if (val.trim()
 560                    .isEmpty())
 561             {
 562                 valid = false;
 563                 passwordLayout.setError(
 564                         getResources().getText(R.string.err_profile_password_empty));
 565             }
 566         }
 567
 568         return valid;
 569     }
 570     private void resetDefaultCommodity() {
 571         defaultCommoditySet = false;
 572         defaultCommodity.setText(R.string.btn_no_currency);
 573         defaultCommodity.setTypeface(defaultCommodity.getTypeface(), Typeface.ITALIC);
 574     }
 575     private void setDefaultCommodity(@NonNull @NotNull String name) {
 576         defaultCommoditySet = true;
 577         defaultCommodity.setText(name);
 578         defaultCommodity.setTypeface(Typeface.DEFAULT);
 579     }
 580     interface TextChangeSyncRoutine {
 581         void onTextChanged(String text);
 582     }
 583 }