app/src/main/java/net/ktnx/mobileledger/ui/activity/MainActivity.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.activity;
  19
  20 import android.content.Intent;
  21 import android.content.pm.PackageInfo;
  22 import android.content.pm.ShortcutInfo;
  23 import android.content.pm.ShortcutManager;
  24 import android.content.res.ColorStateList;
  25 import android.graphics.Color;
  26 import android.graphics.drawable.Icon;
  27 import android.os.Build;
  28 import android.os.Bundle;
  29 import android.text.format.DateUtils;
  30 import android.util.Log;
  31 import android.view.View;
  32 import android.view.animation.AnimationUtils;
  33 import android.widget.TextView;
  34
  35 import androidx.annotation.NonNull;
  36 import androidx.appcompat.app.ActionBarDrawerToggle;
  37 import androidx.appcompat.app.AlertDialog;
  38 import androidx.core.view.GravityCompat;
  39 import androidx.drawerlayout.widget.DrawerLayout;
  40 import androidx.fragment.app.Fragment;
  41 import androidx.fragment.app.FragmentActivity;
  42 import androidx.lifecycle.ViewModelProvider;
  43 import androidx.recyclerview.widget.LinearLayoutManager;
  44 import androidx.recyclerview.widget.RecyclerView;
  45 import androidx.viewpager2.adapter.FragmentStateAdapter;
  46 import androidx.viewpager2.widget.ViewPager2;
  47
  48 import com.google.android.material.snackbar.Snackbar;
  49
  50 import net.ktnx.mobileledger.R;
  51 import net.ktnx.mobileledger.async.RetrieveTransactionsTask;
  52 import net.ktnx.mobileledger.databinding.ActivityMainBinding;
  53 import net.ktnx.mobileledger.model.Data;
  54 import net.ktnx.mobileledger.model.MobileLedgerProfile;
  55 import net.ktnx.mobileledger.ui.MainModel;
  56 import net.ktnx.mobileledger.ui.account_summary.AccountSummaryFragment;
  57 import net.ktnx.mobileledger.ui.profiles.ProfilesRecyclerViewAdapter;
  58 import net.ktnx.mobileledger.ui.transaction_list.TransactionListFragment;
  59 import net.ktnx.mobileledger.utils.Colors;
  60 import net.ktnx.mobileledger.utils.Logger;
  61 import net.ktnx.mobileledger.utils.MLDB;
  62
  63 import org.jetbrains.annotations.NotNull;
  64
  65 import java.util.ArrayList;
  66 import java.util.Date;
  67 import java.util.List;
  68 import java.util.Locale;
  69 import java.util.Objects;
  70
  71 /*
  72  * TODO: reports
  73  *  */
  74
  75 public class MainActivity extends ProfileThemedActivity {
  76     public static final String STATE_CURRENT_PAGE = "current_page";
  77     public static final String BUNDLE_SAVED_STATE = "bundle_savedState";
  78     public static final String STATE_ACC_FILTER = "account_filter";
  79     private SectionsPagerAdapter mSectionsPagerAdapter;
  80     private ProfilesRecyclerViewAdapter mProfileListAdapter;
  81     private int mCurrentPage;
  82     private boolean mBackMeansToAccountList = false;
  83     private DrawerLayout.SimpleDrawerListener drawerListener;
  84     private ActionBarDrawerToggle barDrawerToggle;
  85     private ViewPager2.OnPageChangeCallback pageChangeCallback;
  86     private MobileLedgerProfile profile;
  87     private MainModel mainModel;
  88     private ActivityMainBinding b;
  89     @Override
  90     protected void onStart() {
  91         super.onStart();
  92
  93         Logger.debug("MainActivity", "onStart()");
  94
  95         b.mainPager.setCurrentItem(mCurrentPage, false);
  96     }
  97     @Override
  98     protected void onSaveInstanceState(@NotNull Bundle outState) {
  99         super.onSaveInstanceState(outState);
 100         outState.putInt(STATE_CURRENT_PAGE, b.mainPager.getCurrentItem());
 101         if (mainModel.getAccountFilter()
 102                      .getValue() != null)
 103             outState.putString(STATE_ACC_FILTER, mainModel.getAccountFilter()
 104                                                           .getValue());
 105     }
 106     @Override
 107     protected void onDestroy() {
 108         mSectionsPagerAdapter = null;
 109         b.navProfileList.setAdapter(null);
 110         b.drawerLayout.removeDrawerListener(drawerListener);
 111         drawerListener = null;
 112         b.drawerLayout.removeDrawerListener(barDrawerToggle);
 113         barDrawerToggle = null;
 114         b.mainPager.unregisterOnPageChangeCallback(pageChangeCallback);
 115         pageChangeCallback = null;
 116         super.onDestroy();
 117     }
 118     @Override
 119     protected void onResume() {
 120         super.onResume();
 121         fabShouldShow();
 122     }
 123     @Override
 124     protected void onCreate(Bundle savedInstanceState) {
 125         Logger.debug("MainActivity", "onCreate()/entry");
 126         super.onCreate(savedInstanceState);
 127         Logger.debug("MainActivity", "onCreate()/after super");
 128         b = ActivityMainBinding.inflate(getLayoutInflater());
 129         setContentView(b.getRoot());
 130
 131         mainModel = new ViewModelProvider(this).get(MainModel.class);
 132
 133         mSectionsPagerAdapter = new SectionsPagerAdapter(this);
 134
 135         Bundle extra = getIntent().getBundleExtra(BUNDLE_SAVED_STATE);
 136         if (extra != null && savedInstanceState == null)
 137             savedInstanceState = extra;
 138
 139
 140         setSupportActionBar(b.toolbar);
 141
 142         Data.observeProfile(this, this::onProfileChanged);
 143
 144         Data.profiles.observe(this, this::onProfileListChanged);
 145         Data.backgroundTaskProgress.observe(this, this::onRetrieveProgress);
 146         Data.backgroundTasksRunning.observe(this, this::onRetrieveRunningChanged);
 147
 148         if (barDrawerToggle == null) {
 149             barDrawerToggle = new ActionBarDrawerToggle(this, b.drawerLayout, b.toolbar,
 150                     R.string.navigation_drawer_open, R.string.navigation_drawer_close);
 151             b.drawerLayout.addDrawerListener(barDrawerToggle);
 152         }
 153         barDrawerToggle.syncState();
 154
 155         try {
 156             PackageInfo pi = getApplicationContext().getPackageManager()
 157                                                     .getPackageInfo(getPackageName(), 0);
 158             ((TextView) b.navUpper.findViewById(R.id.drawer_version_text)).setText(pi.versionName);
 159             ((TextView) b.noProfilesLayout.findViewById(R.id.drawer_version_text)).setText(
 160                     pi.versionName);
 161         }
 162         catch (Exception e) {
 163             e.printStackTrace();
 164         }
 165
 166         markDrawerItemCurrent(R.id.nav_account_summary);
 167
 168         b.mainPager.setAdapter(mSectionsPagerAdapter);
 169
 170         if (pageChangeCallback == null) {
 171             pageChangeCallback = new ViewPager2.OnPageChangeCallback() {
 172                 @Override
 173                 public void onPageSelected(int position) {
 174                     mCurrentPage = position;
 175                     switch (position) {
 176                         case 0:
 177                             markDrawerItemCurrent(R.id.nav_account_summary);
 178                             break;
 179                         case 1:
 180                             markDrawerItemCurrent(R.id.nav_latest_transactions);
 181                             break;
 182                         default:
 183                             Log.e("MainActivity",
 184                                     String.format("Unexpected page index %d", position));
 185                     }
 186
 187                     super.onPageSelected(position);
 188                 }
 189             };
 190             b.mainPager.registerOnPageChangeCallback(pageChangeCallback);
 191         }
 192
 193         mCurrentPage = 0;
 194         if (savedInstanceState != null) {
 195             int currentPage = savedInstanceState.getInt(STATE_CURRENT_PAGE, -1);
 196             if (currentPage != -1) {
 197                 mCurrentPage = currentPage;
 198             }
 199             mainModel.getAccountFilter()
 200                      .setValue(savedInstanceState.getString(STATE_ACC_FILTER, null));
 201         }
 202
 203         b.btnNoProfilesAdd.setOnClickListener(
 204                 v -> MobileLedgerProfile.startEditProfileActivity(this, null));
 205
 206         b.btnAddTransaction.setOnClickListener(this::fabNewTransactionClicked);
 207
 208         b.navNewProfileButton.setOnClickListener(
 209                 v -> MobileLedgerProfile.startEditProfileActivity(this, null));
 210
 211         b.transactionListCancelDownload.setOnClickListener(this::onStopTransactionRefreshClick);
 212
 213         if (mProfileListAdapter == null)
 214             mProfileListAdapter = new ProfilesRecyclerViewAdapter();
 215         b.navProfileList.setAdapter(mProfileListAdapter);
 216
 217         mProfileListAdapter.editingProfiles.observe(this, newValue -> {
 218             if (newValue) {
 219                 b.navProfilesStartEdit.setVisibility(View.GONE);
 220                 b.navProfilesCancelEdit.setVisibility(View.VISIBLE);
 221                 b.navNewProfileButton.setVisibility(View.VISIBLE);
 222                 if (b.drawerLayout.isDrawerOpen(GravityCompat.START)) {
 223                     b.navProfilesStartEdit.startAnimation(
 224                             AnimationUtils.loadAnimation(MainActivity.this, R.anim.fade_out));
 225                     b.navProfilesCancelEdit.startAnimation(
 226                             AnimationUtils.loadAnimation(MainActivity.this, R.anim.fade_in));
 227                     b.navNewProfileButton.startAnimation(
 228                             AnimationUtils.loadAnimation(MainActivity.this, R.anim.fade_in));
 229                 }
 230             }
 231             else {
 232                 b.navProfilesCancelEdit.setVisibility(View.GONE);
 233                 b.navProfilesStartEdit.setVisibility(View.VISIBLE);
 234                 b.navNewProfileButton.setVisibility(View.GONE);
 235                 if (b.drawerLayout.isDrawerOpen(GravityCompat.START)) {
 236                     b.navProfilesCancelEdit.startAnimation(
 237                             AnimationUtils.loadAnimation(MainActivity.this, R.anim.fade_out));
 238                     b.navProfilesStartEdit.startAnimation(
 239                             AnimationUtils.loadAnimation(MainActivity.this, R.anim.fade_in));
 240                     b.navNewProfileButton.startAnimation(
 241                             AnimationUtils.loadAnimation(MainActivity.this, R.anim.fade_out));
 242                 }
 243             }
 244
 245             mProfileListAdapter.notifyDataSetChanged();
 246         });
 247
 248         LinearLayoutManager llm = new LinearLayoutManager(this);
 249
 250         llm.setOrientation(RecyclerView.VERTICAL);
 251         b.navProfileList.setLayoutManager(llm);
 252
 253         b.navProfilesStartEdit.setOnClickListener((v) -> mProfileListAdapter.flipEditingProfiles());
 254         b.navProfilesCancelEdit.setOnClickListener(
 255                 (v) -> mProfileListAdapter.flipEditingProfiles());
 256         b.navProfileListHeadButtons.setOnClickListener(
 257                 (v) -> mProfileListAdapter.flipEditingProfiles());
 258         if (drawerListener == null) {
 259             drawerListener = new DrawerLayout.SimpleDrawerListener() {
 260                 @Override
 261                 public void onDrawerSlide(@NonNull View drawerView, float slideOffset) {
 262                     if (slideOffset > 0.2)
 263                         fabHide();
 264                 }
 265                 @Override
 266                 public void onDrawerClosed(View drawerView) {
 267                     super.onDrawerClosed(drawerView);
 268                     mProfileListAdapter.setAnimationsEnabled(false);
 269                     mProfileListAdapter.editingProfiles.setValue(false);
 270                     Data.drawerOpen.setValue(false);
 271                     fabShouldShow();
 272                 }
 273                 @Override
 274                 public void onDrawerOpened(View drawerView) {
 275                     super.onDrawerOpened(drawerView);
 276                     mProfileListAdapter.setAnimationsEnabled(true);
 277                     Data.drawerOpen.setValue(true);
 278                     fabHide();
 279                 }
 280             };
 281             b.drawerLayout.addDrawerListener(drawerListener);
 282         }
 283
 284         Data.drawerOpen.observe(this, open -> {
 285             if (open)
 286                 b.drawerLayout.open();
 287             else
 288                 b.drawerLayout.close();
 289         });
 290
 291         mainModel.getUpdateError()
 292                  .observe(this, (error) -> {
 293                      if (error == null)
 294                          return;
 295
 296                      Snackbar.make(b.mainPager, error, Snackbar.LENGTH_LONG)
 297                              .show();
 298                      mainModel.clearUpdateError();
 299                  });
 300         Data.locale.observe(this, l -> refreshLastUpdateInfo());
 301         Data.lastUpdateDate.observe(this, date -> refreshLastUpdateInfo());
 302         Data.lastUpdateTransactionCount.observe(this, date -> refreshLastUpdateInfo());
 303         Data.lastUpdateAccountCount.observe(this, date -> refreshLastUpdateInfo());
 304         b.navAccountSummary.setOnClickListener(this::onAccountSummaryClicked);
 305         b.navLatestTransactions.setOnClickListener(this::onLatestTransactionsClicked);
 306     }
 307     private void scheduleDataRetrievalIfStale(long lastUpdate) {
 308         long now = new Date().getTime();
 309         if ((lastUpdate == 0) || (now > (lastUpdate + (24 * 3600 * 1000)))) {
 310             if (lastUpdate == 0)
 311                 Logger.debug("db::", "WEB data never fetched. scheduling a fetch");
 312             else
 313                 Logger.debug("db", String.format(Locale.ENGLISH,
 314                         "WEB data last fetched at %1.3f and now is %1.3f. re-fetching",
 315                         lastUpdate / 1000f, now / 1000f));
 316
 317             mainModel.scheduleTransactionListRetrieval();
 318         }
 319     }
 320     private void createShortcuts(List<MobileLedgerProfile> list) {
 321         if (Build.VERSION.SDK_INT < Build.VERSION_CODES.N_MR1)
 322             return;
 323
 324         ShortcutManager sm = getSystemService(ShortcutManager.class);
 325         List<ShortcutInfo> shortcuts = new ArrayList<>();
 326         int i = 0;
 327         for (MobileLedgerProfile p : list) {
 328             if (shortcuts.size() >= sm.getMaxShortcutCountPerActivity())
 329                 break;
 330
 331             if (!p.isPostingPermitted())
 332                 continue;
 333
 334             final ShortcutInfo.Builder builder =
 335                     new ShortcutInfo.Builder(this, "new_transaction_" + p.getUuid());
 336             ShortcutInfo si = builder.setShortLabel(p.getName())
 337                                      .setIcon(Icon.createWithResource(this,
 338                                              R.drawable.thick_plus_icon))
 339                                      .setIntent(new Intent(Intent.ACTION_VIEW, null, this,
 340                                              NewTransactionActivity.class).putExtra("profile_uuid",
 341                                              p.getUuid()))
 342                                      .setRank(i)
 343                                      .build();
 344             shortcuts.add(si);
 345             i++;
 346         }
 347         sm.setDynamicShortcuts(shortcuts);
 348     }
 349     private void onProfileListChanged(List<MobileLedgerProfile> newList) {
 350         if ((newList == null) || newList.isEmpty()) {
 351             b.noProfilesLayout.setVisibility(View.VISIBLE);
 352             b.mainAppLayout.setVisibility(View.GONE);
 353             return;
 354         }
 355
 356         b.mainAppLayout.setVisibility(View.VISIBLE);
 357         b.noProfilesLayout.setVisibility(View.GONE);
 358
 359         b.navProfileList.setMinimumHeight(
 360                 (int) (getResources().getDimension(R.dimen.thumb_row_height) * newList.size()));
 361
 362         Logger.debug("profiles", "profile list changed");
 363         mProfileListAdapter.notifyDataSetChanged();
 364
 365         createShortcuts(newList);
 366     }
 367     /**
 368      * called when the current profile has changed
 369      */
 370     private void onProfileChanged(MobileLedgerProfile profile) {
 371         if (this.profile == null) {
 372             if (profile == null)
 373                 return;
 374         }
 375         else {
 376             if (this.profile.equals(profile))
 377                 return;
 378         }
 379
 380         boolean haveProfile = profile != null;
 381
 382         if (haveProfile)
 383             setTitle(profile.getName());
 384         else
 385             setTitle(R.string.app_name);
 386
 387         mainModel.setProfile(profile);
 388
 389         this.profile = profile;
 390
 391         int newProfileTheme = haveProfile ? profile.getThemeHue() : -1;
 392         if (newProfileTheme != Colors.profileThemeId) {
 393             Logger.debug("profiles",
 394                     String.format(Locale.ENGLISH, "profile theme %d → %d", Colors.profileThemeId,
 395                             newProfileTheme));
 396             Colors.profileThemeId = newProfileTheme;
 397             profileThemeChanged();
 398             // profileThemeChanged would restart the activity, so no need to reload the
 399             // data sets below
 400             return;
 401         }
 402
 403         b.noProfilesLayout.setVisibility(haveProfile ? View.GONE : View.VISIBLE);
 404         b.pagerLayout.setVisibility(haveProfile ? View.VISIBLE : View.VISIBLE);
 405
 406         mProfileListAdapter.notifyDataSetChanged();
 407
 408         mainModel.clearAccounts();
 409         mainModel.clearTransactions();
 410
 411         if (haveProfile) {
 412             mainModel.scheduleAccountListReload();
 413             Logger.debug("transactions", "requesting list reload");
 414             mainModel.scheduleTransactionListReload();
 415
 416             if (profile.isPostingPermitted()) {
 417                 b.toolbar.setSubtitle(null);
 418                 b.btnAddTransaction.show();
 419             }
 420             else {
 421                 b.toolbar.setSubtitle(R.string.profile_subtitle_read_only);
 422                 b.btnAddTransaction.hide();
 423             }
 424         }
 425         else {
 426             b.toolbar.setSubtitle(null);
 427             b.btnAddTransaction.hide();
 428         }
 429
 430         updateLastUpdateTextFromDB();
 431     }
 432     private void profileThemeChanged() {
 433         // un-hook all observed LiveData
 434         Data.removeProfileObservers(this);
 435         Data.profiles.removeObservers(this);
 436         Data.lastUpdateTransactionCount.removeObservers(this);
 437         Data.lastUpdateAccountCount.removeObservers(this);
 438         Data.lastUpdateDate.removeObservers(this);
 439
 440         recreate();
 441     }
 442     public void fabNewTransactionClicked(View view) {
 443         Intent intent = new Intent(this, NewTransactionActivity.class);
 444         startActivity(intent);
 445         overridePendingTransition(R.anim.slide_in_up, R.anim.dummy);
 446     }
 447     public void markDrawerItemCurrent(int id) {
 448         TextView item = b.drawerLayout.findViewById(id);
 449         item.setBackgroundColor(Colors.tableRowDarkBG);
 450
 451         for (int i = 0; i < b.navActions.getChildCount(); i++) {
 452             View view = b.navActions.getChildAt(i);
 453             if (view.getId() != id) {
 454                 view.setBackgroundColor(Color.TRANSPARENT);
 455             }
 456         }
 457     }
 458     public void onAccountSummaryClicked(View view) {
 459         b.drawerLayout.closeDrawers();
 460
 461         showAccountSummaryFragment();
 462     }
 463     private void showAccountSummaryFragment() {
 464         b.mainPager.setCurrentItem(0, true);
 465         mainModel.getAccountFilter()
 466                  .setValue(null);
 467     }
 468     public void onLatestTransactionsClicked(View view) {
 469         b.drawerLayout.closeDrawers();
 470
 471         showTransactionsFragment(null);
 472     }
 473     public void showTransactionsFragment(String accName) {
 474         mainModel.getAccountFilter()
 475                  .setValue(accName);
 476         b.mainPager.setCurrentItem(1, true);
 477     }
 478     public void showAccountTransactions(String accountName) {
 479         mBackMeansToAccountList = true;
 480         showTransactionsFragment(accountName);
 481     }
 482     @Override
 483     public void onBackPressed() {
 484         if (b.drawerLayout.isDrawerOpen(GravityCompat.START)) {
 485             b.drawerLayout.closeDrawer(GravityCompat.START);
 486         }
 487         else {
 488             if (mBackMeansToAccountList && (b.mainPager.getCurrentItem() == 1)) {
 489                 mainModel.getAccountFilter()
 490                          .setValue(null);
 491                 showAccountSummaryFragment();
 492                 mBackMeansToAccountList = false;
 493             }
 494             else {
 495                 Logger.debug("fragments", String.format(Locale.ENGLISH, "manager stack: %d",
 496                         getSupportFragmentManager().getBackStackEntryCount()));
 497
 498                 super.onBackPressed();
 499             }
 500         }
 501     }
 502     public void updateLastUpdateTextFromDB() {
 503         if (profile == null)
 504             return;
 505
 506         long lastUpdate = profile.getLongOption(MLDB.OPT_LAST_SCRAPE, 0L);
 507
 508         Logger.debug("transactions", String.format(Locale.ENGLISH, "Last update = %d", lastUpdate));
 509         if (lastUpdate == 0) {
 510             Data.lastUpdateDate.postValue(null);
 511         }
 512         else {
 513             Data.lastUpdateDate.postValue(new Date(lastUpdate));
 514         }
 515
 516         scheduleDataRetrievalIfStale(lastUpdate);
 517
 518     }
 519     private void refreshLastUpdateInfo() {
 520         final int formatFlags = DateUtils.FORMAT_SHOW_DATE | DateUtils.FORMAT_SHOW_YEAR |
 521                                 DateUtils.FORMAT_SHOW_TIME | DateUtils.FORMAT_NUMERIC_DATE;
 522         String templateForTransactions =
 523                 getResources().getString(R.string.transaction_count_summary);
 524         String templateForAccounts = getResources().getString(R.string.account_count_summary);
 525         Integer accountCount = Data.lastUpdateAccountCount.getValue();
 526         Integer transactionCount = Data.lastUpdateTransactionCount.getValue();
 527         Date lastUpdate = Data.lastUpdateDate.getValue();
 528         if (lastUpdate == null) {
 529             Data.lastTransactionsUpdateText.set("----");
 530             Data.lastAccountsUpdateText.set("----");
 531         }
 532         else {
 533             Data.lastTransactionsUpdateText.set(
 534                     String.format(Objects.requireNonNull(Data.locale.getValue()),
 535                             templateForTransactions,
 536                             transactionCount == null ? 0 : transactionCount,
 537                             DateUtils.formatDateTime(this, lastUpdate.getTime(), formatFlags)));
 538             Data.lastAccountsUpdateText.set(
 539                     String.format(Objects.requireNonNull(Data.locale.getValue()),
 540                             templateForAccounts, accountCount == null ? 0 : accountCount,
 541                             DateUtils.formatDateTime(this, lastUpdate.getTime(), formatFlags)));
 542         }
 543     }
 544     public void onStopTransactionRefreshClick(View view) {
 545         Logger.debug("interactive", "Cancelling transactions refresh");
 546         mainModel.stopTransactionsRetrieval();
 547         b.transactionListCancelDownload.setEnabled(false);
 548     }
 549     public void onRetrieveRunningChanged(Boolean running) {
 550         if (running) {
 551             b.transactionListCancelDownload.setEnabled(true);
 552             ColorStateList csl = Colors.getColorStateList();
 553             b.transactionListProgressBar.setIndeterminateTintList(csl);
 554             b.transactionListProgressBar.setProgressTintList(csl);
 555             b.transactionListProgressBar.setIndeterminate(true);
 556             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 557                 b.transactionListProgressBar.setProgress(0, false);
 558             }
 559             else {
 560                 b.transactionListProgressBar.setProgress(0);
 561             }
 562             b.transactionProgressLayout.setVisibility(View.VISIBLE);
 563         }
 564         else {
 565             b.transactionProgressLayout.setVisibility(View.GONE);
 566         }
 567     }
 568     public void onRetrieveProgress(RetrieveTransactionsTask.Progress progress) {
 569         if (progress.getState() == RetrieveTransactionsTask.ProgressState.FINISHED) {
 570             Logger.debug("progress", "Done");
 571             b.transactionProgressLayout.setVisibility(View.GONE);
 572
 573             mainModel.transactionRetrievalDone();
 574
 575             String error = progress.getError();
 576             if (error != null) {
 577                 if (error.equals(RetrieveTransactionsTask.Result.ERR_JSON_PARSER_ERROR))
 578                     error = getResources().getString(R.string.err_json_parser_error);
 579
 580                 AlertDialog.Builder builder = new AlertDialog.Builder(this);
 581                 builder.setMessage(error);
 582                 builder.setPositiveButton(R.string.btn_profile_options, (dialog, which) -> {
 583                     Logger.debug("error", "will start profile editor");
 584                     MobileLedgerProfile.startEditProfileActivity(this, profile);
 585                 });
 586                 builder.create()
 587                        .show();
 588                 return;
 589             }
 590
 591             return;
 592         }
 593
 594
 595         b.transactionListCancelDownload.setEnabled(true);
 596 //        ColorStateList csl = Colors.getColorStateList();
 597 //        progressBar.setIndeterminateTintList(csl);
 598 //        progressBar.setProgressTintList(csl);
 599 //        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N)
 600 //            progressBar.setProgress(0, false);
 601 //        else
 602 //            progressBar.setProgress(0);
 603         b.transactionProgressLayout.setVisibility(View.VISIBLE);
 604
 605         if (progress.isIndeterminate() || (progress.getTotal() <= 0)) {
 606             b.transactionListProgressBar.setIndeterminate(true);
 607             Logger.debug("progress", "indeterminate");
 608         }
 609         else {
 610             if (b.transactionListProgressBar.isIndeterminate()) {
 611                 b.transactionListProgressBar.setIndeterminate(false);
 612             }
 613 //            Logger.debug("progress",
 614 //                    String.format(Locale.US, "%d/%d", progress.getProgress(), progress.getTotal
 615 //                    ()));
 616             b.transactionListProgressBar.setMax(progress.getTotal());
 617             // for some reason animation doesn't work - no progress is shown (stick at 0)
 618             // on lineageOS 14.1 (Nougat, 7.1.2)
 619             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N)
 620                 b.transactionListProgressBar.setProgress(progress.getProgress(), false);
 621             else
 622                 b.transactionListProgressBar.setProgress(progress.getProgress());
 623         }
 624     }
 625     public void fabShouldShow() {
 626         if ((profile != null) && profile.isPostingPermitted() && !b.drawerLayout.isOpen())
 627             b.btnAddTransaction.show();
 628         else
 629             fabHide();
 630     }
 631     public void fabHide() {
 632         b.btnAddTransaction.hide();
 633     }
 634
 635     public static class SectionsPagerAdapter extends FragmentStateAdapter {
 636
 637         public SectionsPagerAdapter(@NonNull FragmentActivity fragmentActivity) {
 638             super(fragmentActivity);
 639         }
 640         @NotNull
 641         @Override
 642         public Fragment createFragment(int position) {
 643             Logger.debug("main",
 644                     String.format(Locale.ENGLISH, "Switching to fragment %d", position));
 645             switch (position) {
 646                 case 0:
 647 //                    debug("flow", "Creating account summary fragment");
 648                     return new AccountSummaryFragment();
 649                 case 1:
 650                     return new TransactionListFragment();
 651                 default:
 652                     throw new IllegalStateException(
 653                             String.format("Unexpected fragment index: " + "%d", position));
 654             }
 655         }
 656
 657         @Override
 658         public int getItemCount() {
 659             return 2;
 660         }
 661     }
 662 }