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.LinearLayout;
  34 import android.widget.ProgressBar;
  35 import android.widget.TextView;
  36
  37 import androidx.annotation.NonNull;
  38 import androidx.appcompat.app.ActionBarDrawerToggle;
  39 import androidx.appcompat.app.AlertDialog;
  40 import androidx.appcompat.widget.Toolbar;
  41 import androidx.core.view.GravityCompat;
  42 import androidx.drawerlayout.widget.DrawerLayout;
  43 import androidx.fragment.app.Fragment;
  44 import androidx.fragment.app.FragmentActivity;
  45 import androidx.lifecycle.ViewModelProvider;
  46 import androidx.recyclerview.widget.LinearLayoutManager;
  47 import androidx.recyclerview.widget.RecyclerView;
  48 import androidx.viewpager2.adapter.FragmentStateAdapter;
  49 import androidx.viewpager2.widget.ViewPager2;
  50
  51 import com.google.android.material.floatingactionbutton.FloatingActionButton;
  52 import com.google.android.material.snackbar.Snackbar;
  53
  54 import net.ktnx.mobileledger.R;
  55 import net.ktnx.mobileledger.async.RetrieveTransactionsTask;
  56 import net.ktnx.mobileledger.model.Data;
  57 import net.ktnx.mobileledger.model.MobileLedgerProfile;
  58 import net.ktnx.mobileledger.ui.MainModel;
  59 import net.ktnx.mobileledger.ui.account_summary.AccountSummaryFragment;
  60 import net.ktnx.mobileledger.ui.profiles.ProfilesRecyclerViewAdapter;
  61 import net.ktnx.mobileledger.ui.transaction_list.TransactionListFragment;
  62 import net.ktnx.mobileledger.utils.Colors;
  63 import net.ktnx.mobileledger.utils.Logger;
  64 import net.ktnx.mobileledger.utils.MLDB;
  65
  66 import org.jetbrains.annotations.NotNull;
  67
  68 import java.util.ArrayList;
  69 import java.util.Date;
  70 import java.util.List;
  71 import java.util.Locale;
  72 import java.util.Objects;
  73
  74 /*
  75  * TODO: reports
  76  *  */
  77
  78 public class MainActivity extends ProfileThemedActivity {
  79     public static final String STATE_CURRENT_PAGE = "current_page";
  80     public static final String BUNDLE_SAVED_STATE = "bundle_savedState";
  81     public static final String STATE_ACC_FILTER = "account_filter";
  82     DrawerLayout drawer;
  83     private View profileListHeadMore, profileListHeadCancel, profileListHeadAddProfile;
  84     private View bTransactionListCancelDownload;
  85     private SectionsPagerAdapter mSectionsPagerAdapter;
  86     private ViewPager2 mViewPager;
  87     private FloatingActionButton fab;
  88     private ProfilesRecyclerViewAdapter mProfileListAdapter;
  89     private int mCurrentPage;
  90     private boolean mBackMeansToAccountList = false;
  91     private Toolbar mToolbar;
  92     private DrawerLayout.SimpleDrawerListener drawerListener;
  93     private ActionBarDrawerToggle barDrawerToggle;
  94     private ViewPager2.OnPageChangeCallback pageChangeCallback;
  95     private MobileLedgerProfile profile;
  96     private MainModel mainModel;
  97     @Override
  98     protected void onStart() {
  99         super.onStart();
 100
 101         Logger.debug("MainActivity", "onStart()");
 102
 103         mViewPager.setCurrentItem(mCurrentPage, false);
 104     }
 105     @Override
 106     protected void onSaveInstanceState(@NotNull Bundle outState) {
 107         super.onSaveInstanceState(outState);
 108         outState.putInt(STATE_CURRENT_PAGE, mViewPager.getCurrentItem());
 109         if (mainModel.getAccountFilter()
 110                      .getValue() != null)
 111             outState.putString(STATE_ACC_FILTER, mainModel.getAccountFilter()
 112                                                           .getValue());
 113     }
 114     @Override
 115     protected void onDestroy() {
 116         mSectionsPagerAdapter = null;
 117         RecyclerView root = findViewById(R.id.nav_profile_list);
 118         if (root != null)
 119             root.setAdapter(null);
 120         if (drawer != null)
 121             drawer.removeDrawerListener(drawerListener);
 122         drawerListener = null;
 123         if (drawer != null)
 124             drawer.removeDrawerListener(barDrawerToggle);
 125         barDrawerToggle = null;
 126         if (mViewPager != null)
 127             mViewPager.unregisterOnPageChangeCallback(pageChangeCallback);
 128         pageChangeCallback = null;
 129         super.onDestroy();
 130     }
 131     @Override
 132     protected void onResume() {
 133         super.onResume();
 134         fabShouldShow();
 135     }
 136     @Override
 137     protected void onCreate(Bundle savedInstanceState) {
 138         Logger.debug("MainActivity", "onCreate()/entry");
 139         super.onCreate(savedInstanceState);
 140         Logger.debug("MainActivity", "onCreate()/after super");
 141         setContentView(R.layout.activity_main);
 142
 143         mainModel = new ViewModelProvider(this).get(MainModel.class);
 144
 145         fab = findViewById(R.id.btn_add_transaction);
 146         profileListHeadMore = findViewById(R.id.nav_profiles_start_edit);
 147         profileListHeadCancel = findViewById(R.id.nav_profiles_cancel_edit);
 148         LinearLayout profileListHeadMoreAndCancel =
 149                 findViewById(R.id.nav_profile_list_head_buttons);
 150         profileListHeadAddProfile = findViewById(R.id.nav_new_profile_button);
 151         drawer = findViewById(R.id.drawer_layout);
 152         bTransactionListCancelDownload = findViewById(R.id.transaction_list_cancel_download);
 153         mSectionsPagerAdapter = new SectionsPagerAdapter(this);
 154         mViewPager = findViewById(R.id.root_frame);
 155
 156         Bundle extra = getIntent().getBundleExtra(BUNDLE_SAVED_STATE);
 157         if (extra != null && savedInstanceState == null)
 158             savedInstanceState = extra;
 159
 160
 161         mToolbar = findViewById(R.id.toolbar);
 162         setSupportActionBar(mToolbar);
 163
 164         Data.observeProfile(this, this::onProfileChanged);
 165
 166         Data.profiles.observe(this, this::onProfileListChanged);
 167         Data.backgroundTaskProgress.observe(this, this::onRetrieveProgress);
 168         Data.backgroundTasksRunning.observe(this, this::onRetrieveRunningChanged);
 169
 170         if (barDrawerToggle == null) {
 171             barDrawerToggle = new ActionBarDrawerToggle(this, drawer, mToolbar,
 172                     R.string.navigation_drawer_open, R.string.navigation_drawer_close);
 173             drawer.addDrawerListener(barDrawerToggle);
 174         }
 175         barDrawerToggle.syncState();
 176
 177         try {
 178             PackageInfo pi = getApplicationContext().getPackageManager()
 179                                                     .getPackageInfo(getPackageName(), 0);
 180             ((TextView) findViewById(R.id.nav_upper).findViewById(
 181                     R.id.drawer_version_text)).setText(pi.versionName);
 182             ((TextView) findViewById(R.id.no_profiles_layout).findViewById(
 183                     R.id.drawer_version_text)).setText(pi.versionName);
 184         }
 185         catch (Exception e) {
 186             e.printStackTrace();
 187         }
 188
 189         markDrawerItemCurrent(R.id.nav_account_summary);
 190
 191         mViewPager.setAdapter(mSectionsPagerAdapter);
 192
 193         if (pageChangeCallback == null) {
 194             pageChangeCallback = new ViewPager2.OnPageChangeCallback() {
 195                 @Override
 196                 public void onPageSelected(int position) {
 197                     mCurrentPage = position;
 198                     switch (position) {
 199                         case 0:
 200                             markDrawerItemCurrent(R.id.nav_account_summary);
 201                             break;
 202                         case 1:
 203                             markDrawerItemCurrent(R.id.nav_latest_transactions);
 204                             break;
 205                         default:
 206                             Log.e("MainActivity",
 207                                     String.format("Unexpected page index %d", position));
 208                     }
 209
 210                     super.onPageSelected(position);
 211                 }
 212             };
 213             mViewPager.registerOnPageChangeCallback(pageChangeCallback);
 214         }
 215
 216         mCurrentPage = 0;
 217         if (savedInstanceState != null) {
 218             int currentPage = savedInstanceState.getInt(STATE_CURRENT_PAGE, -1);
 219             if (currentPage != -1) {
 220                 mCurrentPage = currentPage;
 221             }
 222             mainModel.getAccountFilter()
 223                      .setValue(savedInstanceState.getString(STATE_ACC_FILTER, null));
 224         }
 225
 226         findViewById(R.id.btn_no_profiles_add).setOnClickListener(
 227                 v -> MobileLedgerProfile.startEditProfileActivity(this, null));
 228
 229         findViewById(R.id.btn_add_transaction).setOnClickListener(this::fabNewTransactionClicked);
 230
 231         findViewById(R.id.nav_new_profile_button).setOnClickListener(
 232                 v -> MobileLedgerProfile.startEditProfileActivity(this, null));
 233
 234         findViewById(R.id.transaction_list_cancel_download).setOnClickListener(
 235                 this::onStopTransactionRefreshClick);
 236
 237         RecyclerView root = findViewById(R.id.nav_profile_list);
 238         if (root == null)
 239             throw new RuntimeException("Can't get hold on the transaction value view");
 240
 241         if (mProfileListAdapter == null)
 242             mProfileListAdapter = new ProfilesRecyclerViewAdapter();
 243         root.setAdapter(mProfileListAdapter);
 244
 245         mProfileListAdapter.editingProfiles.observe(this, newValue -> {
 246             if (newValue) {
 247                 profileListHeadMore.setVisibility(View.GONE);
 248                 profileListHeadCancel.setVisibility(View.VISIBLE);
 249                 profileListHeadAddProfile.setVisibility(View.VISIBLE);
 250                 if (drawer.isDrawerOpen(GravityCompat.START)) {
 251                     profileListHeadMore.startAnimation(
 252                             AnimationUtils.loadAnimation(MainActivity.this, R.anim.fade_out));
 253                     profileListHeadCancel.startAnimation(
 254                             AnimationUtils.loadAnimation(MainActivity.this, R.anim.fade_in));
 255                     profileListHeadAddProfile.startAnimation(
 256                             AnimationUtils.loadAnimation(MainActivity.this, R.anim.fade_in));
 257                 }
 258             }
 259             else {
 260                 profileListHeadCancel.setVisibility(View.GONE);
 261                 profileListHeadMore.setVisibility(View.VISIBLE);
 262                 profileListHeadAddProfile.setVisibility(View.GONE);
 263                 if (drawer.isDrawerOpen(GravityCompat.START)) {
 264                     profileListHeadCancel.startAnimation(
 265                             AnimationUtils.loadAnimation(MainActivity.this, R.anim.fade_out));
 266                     profileListHeadMore.startAnimation(
 267                             AnimationUtils.loadAnimation(MainActivity.this, R.anim.fade_in));
 268                     profileListHeadAddProfile.startAnimation(
 269                             AnimationUtils.loadAnimation(MainActivity.this, R.anim.fade_out));
 270                 }
 271             }
 272
 273             mProfileListAdapter.notifyDataSetChanged();
 274         });
 275
 276         LinearLayoutManager llm = new LinearLayoutManager(this);
 277
 278         llm.setOrientation(RecyclerView.VERTICAL);
 279         root.setLayoutManager(llm);
 280
 281         profileListHeadMore.setOnClickListener((v) -> mProfileListAdapter.flipEditingProfiles());
 282         profileListHeadCancel.setOnClickListener((v) -> mProfileListAdapter.flipEditingProfiles());
 283         profileListHeadMoreAndCancel.setOnClickListener(
 284                 (v) -> mProfileListAdapter.flipEditingProfiles());
 285         if (drawerListener == null) {
 286             drawerListener = new DrawerLayout.SimpleDrawerListener() {
 287                 @Override
 288                 public void onDrawerSlide(@NonNull View drawerView, float slideOffset) {
 289                     if (slideOffset > 0.2)
 290                         fabHide();
 291                 }
 292                 @Override
 293                 public void onDrawerClosed(View drawerView) {
 294                     super.onDrawerClosed(drawerView);
 295                     mProfileListAdapter.setAnimationsEnabled(false);
 296                     mProfileListAdapter.editingProfiles.setValue(false);
 297                     Data.drawerOpen.setValue(false);
 298                     fabShouldShow();
 299                 }
 300                 @Override
 301                 public void onDrawerOpened(View drawerView) {
 302                     super.onDrawerOpened(drawerView);
 303                     mProfileListAdapter.setAnimationsEnabled(true);
 304                     Data.drawerOpen.setValue(true);
 305                     fabHide();
 306                 }
 307             };
 308             drawer.addDrawerListener(drawerListener);
 309         }
 310
 311         Data.drawerOpen.observe(this, open -> {
 312             if (open)
 313                 drawer.open();
 314             else
 315                 drawer.close();
 316         });
 317
 318         mainModel.getUpdateError()
 319                  .observe(this, (error) -> {
 320                      if (error == null)
 321                          return;
 322
 323                      Snackbar.make(mViewPager, error, Snackbar.LENGTH_LONG)
 324                              .show();
 325                      mainModel.clearUpdateError();
 326                  });
 327         Data.locale.observe(this, l -> refreshLastUpdateInfo());
 328         Data.lastUpdateDate.observe(this, date -> refreshLastUpdateInfo());
 329         Data.lastUpdateTransactionCount.observe(this, date -> refreshLastUpdateInfo());
 330         Data.lastUpdateAccountCount.observe(this, date -> refreshLastUpdateInfo());
 331     }
 332     private void scheduleDataRetrievalIfStale(long lastUpdate) {
 333         long now = new Date().getTime();
 334         if ((lastUpdate == 0) || (now > (lastUpdate + (24 * 3600 * 1000)))) {
 335             if (lastUpdate == 0)
 336                 Logger.debug("db::", "WEB data never fetched. scheduling a fetch");
 337             else
 338                 Logger.debug("db", String.format(Locale.ENGLISH,
 339                         "WEB data last fetched at %1.3f and now is %1.3f. re-fetching",
 340                         lastUpdate / 1000f, now / 1000f));
 341
 342             mainModel.scheduleTransactionListRetrieval();
 343         }
 344     }
 345     private void createShortcuts(List<MobileLedgerProfile> list) {
 346         if (Build.VERSION.SDK_INT < Build.VERSION_CODES.N_MR1)
 347             return;
 348
 349         ShortcutManager sm = getSystemService(ShortcutManager.class);
 350         List<ShortcutInfo> shortcuts = new ArrayList<>();
 351         int i = 0;
 352         for (MobileLedgerProfile p : list) {
 353             if (shortcuts.size() >= sm.getMaxShortcutCountPerActivity())
 354                 break;
 355
 356             if (!p.isPostingPermitted())
 357                 continue;
 358
 359             final ShortcutInfo.Builder builder =
 360                     new ShortcutInfo.Builder(this, "new_transaction_" + p.getUuid());
 361             ShortcutInfo si = builder.setShortLabel(p.getName())
 362                                      .setIcon(Icon.createWithResource(this,
 363                                              R.drawable.thick_plus_icon))
 364                                      .setIntent(new Intent(Intent.ACTION_VIEW, null, this,
 365                                              NewTransactionActivity.class).putExtra("profile_uuid",
 366                                              p.getUuid()))
 367                                      .setRank(i)
 368                                      .build();
 369             shortcuts.add(si);
 370             i++;
 371         }
 372         sm.setDynamicShortcuts(shortcuts);
 373     }
 374     private void onProfileListChanged(List<MobileLedgerProfile> newList) {
 375         if ((newList == null) || newList.isEmpty()) {
 376             findViewById(R.id.no_profiles_layout).setVisibility(View.VISIBLE);
 377             findViewById(R.id.main_app_layout).setVisibility(View.GONE);
 378             return;
 379         }
 380
 381         findViewById(R.id.main_app_layout).setVisibility(View.VISIBLE);
 382         findViewById(R.id.no_profiles_layout).setVisibility(View.GONE);
 383
 384         findViewById(R.id.nav_profile_list).setMinimumHeight(
 385                 (int) (getResources().getDimension(R.dimen.thumb_row_height) * newList.size()));
 386
 387         Logger.debug("profiles", "profile list changed");
 388         mProfileListAdapter.notifyDataSetChanged();
 389
 390         createShortcuts(newList);
 391     }
 392     /**
 393      * called when the current profile has changed
 394      */
 395     private void onProfileChanged(MobileLedgerProfile profile) {
 396         if (this.profile == null) {
 397             if (profile == null)
 398                 return;
 399         }
 400         else {
 401             if (this.profile.equals(profile))
 402                 return;
 403         }
 404
 405         boolean haveProfile = profile != null;
 406
 407         if (haveProfile)
 408             setTitle(profile.getName());
 409         else
 410             setTitle(R.string.app_name);
 411
 412         mainModel.setProfile(profile);
 413
 414         this.profile = profile;
 415
 416         int newProfileTheme = haveProfile ? profile.getThemeHue() : -1;
 417         if (newProfileTheme != Colors.profileThemeId) {
 418             Logger.debug("profiles",
 419                     String.format(Locale.ENGLISH, "profile theme %d → %d", Colors.profileThemeId,
 420                             newProfileTheme));
 421             Colors.profileThemeId = newProfileTheme;
 422             profileThemeChanged();
 423             // profileThemeChanged would restart the activity, so no need to reload the
 424             // data sets below
 425             return;
 426         }
 427
 428         findViewById(R.id.no_profiles_layout).setVisibility(haveProfile ? View.GONE : View.VISIBLE);
 429         findViewById(R.id.pager_layout).setVisibility(haveProfile ? View.VISIBLE : View.VISIBLE);
 430
 431         mProfileListAdapter.notifyDataSetChanged();
 432
 433         mainModel.clearAccounts();
 434         mainModel.clearTransactions();
 435
 436         if (haveProfile) {
 437             mainModel.scheduleAccountListReload();
 438             Logger.debug("transactions", "requesting list reload");
 439             mainModel.scheduleTransactionListReload();
 440
 441             if (profile.isPostingPermitted()) {
 442                 mToolbar.setSubtitle(null);
 443                 fab.show();
 444             }
 445             else {
 446                 mToolbar.setSubtitle(R.string.profile_subtitle_read_only);
 447                 fab.hide();
 448             }
 449         }
 450         else {
 451             mToolbar.setSubtitle(null);
 452             fab.hide();
 453         }
 454
 455         updateLastUpdateTextFromDB();
 456     }
 457     private void profileThemeChanged() {
 458         // un-hook all observed LiveData
 459         Data.removeProfileObservers(this);
 460         Data.profiles.removeObservers(this);
 461         Data.lastUpdateTransactionCount.removeObservers(this);
 462         Data.lastUpdateAccountCount.removeObservers(this);
 463         Data.lastUpdateDate.removeObservers(this);
 464
 465         recreate();
 466     }
 467     public void fabNewTransactionClicked(View view) {
 468         Intent intent = new Intent(this, NewTransactionActivity.class);
 469         startActivity(intent);
 470         overridePendingTransition(R.anim.slide_in_up, R.anim.dummy);
 471     }
 472     public void markDrawerItemCurrent(int id) {
 473         TextView item = drawer.findViewById(id);
 474         item.setBackgroundColor(Colors.tableRowDarkBG);
 475
 476         LinearLayout actions = drawer.findViewById(R.id.nav_actions);
 477         for (int i = 0; i < actions.getChildCount(); i++) {
 478             View view = actions.getChildAt(i);
 479             if (view.getId() != id) {
 480                 view.setBackgroundColor(Color.TRANSPARENT);
 481             }
 482         }
 483     }
 484     public void onAccountSummaryClicked(View view) {
 485         drawer.closeDrawers();
 486
 487         showAccountSummaryFragment();
 488     }
 489     private void showAccountSummaryFragment() {
 490         mViewPager.setCurrentItem(0, true);
 491         mainModel.getAccountFilter()
 492                  .setValue(null);
 493     }
 494     public void onLatestTransactionsClicked(View view) {
 495         drawer.closeDrawers();
 496
 497         showTransactionsFragment(null);
 498     }
 499     public void showTransactionsFragment(String accName) {
 500         mainModel.getAccountFilter()
 501                  .setValue(accName);
 502         mViewPager.setCurrentItem(1, true);
 503     }
 504     public void showAccountTransactions(String accountName) {
 505         mBackMeansToAccountList = true;
 506         showTransactionsFragment(accountName);
 507     }
 508     @Override
 509     public void onBackPressed() {
 510         DrawerLayout drawer = findViewById(R.id.drawer_layout);
 511         if (drawer.isDrawerOpen(GravityCompat.START)) {
 512             drawer.closeDrawer(GravityCompat.START);
 513         }
 514         else {
 515             if (mBackMeansToAccountList && (mViewPager.getCurrentItem() == 1)) {
 516                 mainModel.getAccountFilter()
 517                          .setValue(null);
 518                 showAccountSummaryFragment();
 519                 mBackMeansToAccountList = false;
 520             }
 521             else {
 522                 Logger.debug("fragments", String.format(Locale.ENGLISH, "manager stack: %d",
 523                         getSupportFragmentManager().getBackStackEntryCount()));
 524
 525                 super.onBackPressed();
 526             }
 527         }
 528     }
 529     public void updateLastUpdateTextFromDB() {
 530         if (profile == null)
 531             return;
 532
 533         long lastUpdate = profile.getLongOption(MLDB.OPT_LAST_SCRAPE, 0L);
 534
 535         Logger.debug("transactions", String.format(Locale.ENGLISH, "Last update = %d", lastUpdate));
 536         if (lastUpdate == 0) {
 537             Data.lastUpdateDate.postValue(null);
 538         }
 539         else {
 540             Data.lastUpdateDate.postValue(new Date(lastUpdate));
 541         }
 542
 543         scheduleDataRetrievalIfStale(lastUpdate);
 544
 545     }
 546     private void refreshLastUpdateInfo() {
 547         final int formatFlags = DateUtils.FORMAT_SHOW_DATE | DateUtils.FORMAT_SHOW_YEAR |
 548                                 DateUtils.FORMAT_SHOW_TIME | DateUtils.FORMAT_NUMERIC_DATE;
 549         String templateForTransactions =
 550                 getResources().getString(R.string.transaction_count_summary);
 551         String templateForAccounts = getResources().getString(R.string.account_count_summary);
 552         Integer accountCount = Data.lastUpdateAccountCount.getValue();
 553         Integer transactionCount = Data.lastUpdateTransactionCount.getValue();
 554         Date lastUpdate = Data.lastUpdateDate.getValue();
 555         if (lastUpdate == null) {
 556             Data.lastTransactionsUpdateText.set("----");
 557             Data.lastAccountsUpdateText.set("----");
 558         }
 559         else {
 560             Data.lastTransactionsUpdateText.set(
 561                     String.format(Objects.requireNonNull(Data.locale.getValue()),
 562                             templateForTransactions,
 563                             transactionCount == null ? 0 : transactionCount,
 564                             DateUtils.formatDateTime(this, lastUpdate.getTime(), formatFlags)));
 565             Data.lastAccountsUpdateText.set(
 566                     String.format(Objects.requireNonNull(Data.locale.getValue()),
 567                             templateForAccounts, accountCount == null ? 0 : accountCount,
 568                             DateUtils.formatDateTime(this, lastUpdate.getTime(), formatFlags)));
 569         }
 570     }
 571     public void onStopTransactionRefreshClick(View view) {
 572         Logger.debug("interactive", "Cancelling transactions refresh");
 573         mainModel.stopTransactionsRetrieval();
 574         bTransactionListCancelDownload.setEnabled(false);
 575     }
 576     public void onRetrieveRunningChanged(Boolean running) {
 577         final View progressLayout = findViewById(R.id.transaction_progress_layout);
 578         if (running) {
 579             ProgressBar progressBar = findViewById(R.id.transaction_list_progress_bar);
 580             bTransactionListCancelDownload.setEnabled(true);
 581             ColorStateList csl = Colors.getColorStateList();
 582             progressBar.setIndeterminateTintList(csl);
 583             progressBar.setProgressTintList(csl);
 584             progressBar.setIndeterminate(true);
 585             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 586                 progressBar.setProgress(0, false);
 587             }
 588             else {
 589                 progressBar.setProgress(0);
 590             }
 591             progressLayout.setVisibility(View.VISIBLE);
 592         }
 593         else {
 594             progressLayout.setVisibility(View.GONE);
 595         }
 596     }
 597     public void onRetrieveProgress(RetrieveTransactionsTask.Progress progress) {
 598         ProgressBar progressBar = findViewById(R.id.transaction_list_progress_bar);
 599
 600         if (progress.getState() == RetrieveTransactionsTask.ProgressState.FINISHED) {
 601             Logger.debug("progress", "Done");
 602             findViewById(R.id.transaction_progress_layout).setVisibility(View.GONE);
 603
 604             mainModel.transactionRetrievalDone();
 605
 606             String error = progress.getError();
 607             if (error != null) {
 608                 if (error.equals(RetrieveTransactionsTask.Result.ERR_JSON_PARSER_ERROR))
 609                     error = getResources().getString(R.string.err_json_parser_error);
 610
 611                 AlertDialog.Builder builder = new AlertDialog.Builder(this);
 612                 builder.setMessage(error);
 613                 builder.setPositiveButton(R.string.btn_profile_options, (dialog, which) -> {
 614                     Logger.debug("error", "will start profile editor");
 615                     MobileLedgerProfile.startEditProfileActivity(this, profile);
 616                 });
 617                 builder.create()
 618                        .show();
 619                 return;
 620             }
 621
 622             return;
 623         }
 624
 625
 626         bTransactionListCancelDownload.setEnabled(true);
 627 //        ColorStateList csl = Colors.getColorStateList();
 628 //        progressBar.setIndeterminateTintList(csl);
 629 //        progressBar.setProgressTintList(csl);
 630 //        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N)
 631 //            progressBar.setProgress(0, false);
 632 //        else
 633 //            progressBar.setProgress(0);
 634         findViewById(R.id.transaction_progress_layout).setVisibility(View.VISIBLE);
 635
 636         if (progress.isIndeterminate() || (progress.getTotal() <= 0)) {
 637             progressBar.setIndeterminate(true);
 638             Logger.debug("progress", "indeterminate");
 639         }
 640         else {
 641             if (progressBar.isIndeterminate()) {
 642                 progressBar.setIndeterminate(false);
 643             }
 644 //            Logger.debug("progress",
 645 //                    String.format(Locale.US, "%d/%d", progress.getProgress(), progress.getTotal
 646 //                    ()));
 647             progressBar.setMax(progress.getTotal());
 648             // for some reason animation doesn't work - no progress is shown (stick at 0)
 649             // on lineageOS 14.1 (Nougat, 7.1.2)
 650             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N)
 651                 progressBar.setProgress(progress.getProgress(), false);
 652             else
 653                 progressBar.setProgress(progress.getProgress());
 654         }
 655     }
 656     public void fabShouldShow() {
 657         if ((profile != null) && profile.isPostingPermitted() && !drawer.isOpen())
 658             fab.show();
 659         else
 660             fabHide();
 661     }
 662     public void fabHide() {
 663         fab.hide();
 664     }
 665
 666     public static class SectionsPagerAdapter extends FragmentStateAdapter {
 667
 668         public SectionsPagerAdapter(@NonNull FragmentActivity fragmentActivity) {
 669             super(fragmentActivity);
 670         }
 671         @NotNull
 672         @Override
 673         public Fragment createFragment(int position) {
 674             Logger.debug("main",
 675                     String.format(Locale.ENGLISH, "Switching to fragment %d", position));
 676             switch (position) {
 677                 case 0:
 678 //                    debug("flow", "Creating account summary fragment");
 679                     return new AccountSummaryFragment();
 680                 case 1:
 681                     return new TransactionListFragment();
 682                 default:
 683                     throw new IllegalStateException(
 684                             String.format("Unexpected fragment index: " + "%d", position));
 685             }
 686         }
 687
 688         @Override
 689         public int getItemCount() {
 690             return 2;
 691         }
 692     }
 693 }