app/src/main/java/net/ktnx/mobileledger/ui/activity/MainActivity.java

   1 /*
   2  * Copyright © 2021 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.new_transaction.NewTransactionActivity;
  58 import net.ktnx.mobileledger.ui.profiles.ProfilesRecyclerViewAdapter;
  59 import net.ktnx.mobileledger.ui.templates.TemplatesActivity;
  60 import net.ktnx.mobileledger.ui.transaction_list.TransactionListFragment;
  61 import net.ktnx.mobileledger.utils.Colors;
  62 import net.ktnx.mobileledger.utils.Logger;
  63 import net.ktnx.mobileledger.utils.MLDB;
  64
  65 import org.jetbrains.annotations.NotNull;
  66
  67 import java.util.ArrayList;
  68 import java.util.Date;
  69 import java.util.List;
  70 import java.util.Locale;
  71 import java.util.Objects;
  72
  73 /*
  74  * TODO: reports
  75  *  */
  76
  77 public class MainActivity extends ProfileThemedActivity {
  78     public static final String STATE_CURRENT_PAGE = "current_page";
  79     public static final String BUNDLE_SAVED_STATE = "bundle_savedState";
  80     public static final String STATE_ACC_FILTER = "account_filter";
  81     private SectionsPagerAdapter mSectionsPagerAdapter;
  82     private ProfilesRecyclerViewAdapter mProfileListAdapter;
  83     private int mCurrentPage;
  84     private boolean mBackMeansToAccountList = false;
  85     private DrawerLayout.SimpleDrawerListener drawerListener;
  86     private ActionBarDrawerToggle barDrawerToggle;
  87     private ViewPager2.OnPageChangeCallback pageChangeCallback;
  88     private MobileLedgerProfile profile;
  89     private MainModel mainModel;
  90     private ActivityMainBinding b;
  91     @Override
  92     protected void onStart() {
  93         super.onStart();
  94
  95         Logger.debug("MainActivity", "onStart()");
  96
  97         b.mainPager.setCurrentItem(mCurrentPage, false);
  98     }
  99     @Override
 100     protected void onSaveInstanceState(@NotNull Bundle outState) {
 101         super.onSaveInstanceState(outState);
 102         outState.putInt(STATE_CURRENT_PAGE, b.mainPager.getCurrentItem());
 103         if (mainModel.getAccountFilter()
 104                      .getValue() != null)
 105             outState.putString(STATE_ACC_FILTER, mainModel.getAccountFilter()
 106                                                           .getValue());
 107     }
 108     @Override
 109     protected void onDestroy() {
 110         mSectionsPagerAdapter = null;
 111         b.navProfileList.setAdapter(null);
 112         b.drawerLayout.removeDrawerListener(drawerListener);
 113         drawerListener = null;
 114         b.drawerLayout.removeDrawerListener(barDrawerToggle);
 115         barDrawerToggle = null;
 116         b.mainPager.unregisterOnPageChangeCallback(pageChangeCallback);
 117         pageChangeCallback = null;
 118         super.onDestroy();
 119     }
 120     @Override
 121     protected void onResume() {
 122         super.onResume();
 123         fabShouldShow();
 124     }
 125     @Override
 126     protected void onCreate(Bundle savedInstanceState) {
 127         Logger.debug("MainActivity", "onCreate()/entry");
 128         super.onCreate(savedInstanceState);
 129         Logger.debug("MainActivity", "onCreate()/after super");
 130         b = ActivityMainBinding.inflate(getLayoutInflater());
 131         setContentView(b.getRoot());
 132
 133         mainModel = new ViewModelProvider(this).get(MainModel.class);
 134
 135         mSectionsPagerAdapter = new SectionsPagerAdapter(this);
 136
 137         Bundle extra = getIntent().getBundleExtra(BUNDLE_SAVED_STATE);
 138         if (extra != null && savedInstanceState == null)
 139             savedInstanceState = extra;
 140
 141
 142         setSupportActionBar(b.toolbar);
 143
 144         Data.observeProfile(this, this::onProfileChanged);
 145
 146         Data.profiles.observe(this, this::onProfileListChanged);
 147         Data.backgroundTaskProgress.observe(this, this::onRetrieveProgress);
 148         Data.backgroundTasksRunning.observe(this, this::onRetrieveRunningChanged);
 149
 150         if (barDrawerToggle == null) {
 151             barDrawerToggle = new ActionBarDrawerToggle(this, b.drawerLayout, b.toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close);
 152             b.drawerLayout.addDrawerListener(barDrawerToggle);
 153         }
 154         barDrawerToggle.syncState();
 155
 156         try {
 157             PackageInfo pi = getApplicationContext().getPackageManager()
 158                                                     .getPackageInfo(getPackageName(), 0);
 159             ((TextView) b.navUpper.findViewById(R.id.drawer_version_text)).setText(pi.versionName);
 160             ((TextView) b.noProfilesLayout.findViewById(R.id.drawer_version_text)).setText(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(v -> MobileLedgerProfile.startEditProfileActivity(this, null));
 204
 205         b.btnAddTransaction.setOnClickListener(this::fabNewTransactionClicked);
 206
 207         b.navNewProfileButton.setOnClickListener(v -> MobileLedgerProfile.startEditProfileActivity(this, null));
 208
 209         b.transactionListCancelDownload.setOnClickListener(this::onStopTransactionRefreshClick);
 210
 211         if (mProfileListAdapter == null)
 212             mProfileListAdapter = new ProfilesRecyclerViewAdapter();
 213         b.navProfileList.setAdapter(mProfileListAdapter);
 214
 215         mProfileListAdapter.editingProfiles.observe(this, newValue -> {
 216             if (newValue) {
 217                 b.navProfilesStartEdit.setVisibility(View.GONE);
 218                 b.navProfilesCancelEdit.setVisibility(View.VISIBLE);
 219                 b.navNewProfileButton.setVisibility(View.VISIBLE);
 220                 if (b.drawerLayout.isDrawerOpen(GravityCompat.START)) {
 221                     b.navProfilesStartEdit.startAnimation(
 222                             AnimationUtils.loadAnimation(MainActivity.this, R.anim.fade_out));
 223                     b.navProfilesCancelEdit.startAnimation(
 224                             AnimationUtils.loadAnimation(MainActivity.this, R.anim.fade_in));
 225                     b.navNewProfileButton.startAnimation(
 226                             AnimationUtils.loadAnimation(MainActivity.this, R.anim.fade_in));
 227                 }
 228             }
 229             else {
 230                 b.navProfilesCancelEdit.setVisibility(View.GONE);
 231                 b.navProfilesStartEdit.setVisibility(View.VISIBLE);
 232                 b.navNewProfileButton.setVisibility(View.GONE);
 233                 if (b.drawerLayout.isDrawerOpen(GravityCompat.START)) {
 234                     b.navProfilesCancelEdit.startAnimation(
 235                             AnimationUtils.loadAnimation(MainActivity.this, R.anim.fade_out));
 236                     b.navProfilesStartEdit.startAnimation(
 237                             AnimationUtils.loadAnimation(MainActivity.this, R.anim.fade_in));
 238                     b.navNewProfileButton.startAnimation(
 239                             AnimationUtils.loadAnimation(MainActivity.this, R.anim.fade_out));
 240                 }
 241             }
 242
 243             mProfileListAdapter.notifyDataSetChanged();
 244         });
 245
 246         LinearLayoutManager llm = new LinearLayoutManager(this);
 247
 248         llm.setOrientation(RecyclerView.VERTICAL);
 249         b.navProfileList.setLayoutManager(llm);
 250
 251         b.navProfilesStartEdit.setOnClickListener((v) -> mProfileListAdapter.flipEditingProfiles());
 252         b.navProfilesCancelEdit.setOnClickListener((v) -> mProfileListAdapter.flipEditingProfiles());
 253         b.navProfileListHeadButtons.setOnClickListener((v) -> mProfileListAdapter.flipEditingProfiles());
 254         if (drawerListener == null) {
 255             drawerListener = new DrawerLayout.SimpleDrawerListener() {
 256                 @Override
 257                 public void onDrawerSlide(@NonNull View drawerView, float slideOffset) {
 258                     if (slideOffset > 0.2)
 259                         fabHide();
 260                 }
 261                 @Override
 262                 public void onDrawerClosed(View drawerView) {
 263                     super.onDrawerClosed(drawerView);
 264                     mProfileListAdapter.setAnimationsEnabled(false);
 265                     mProfileListAdapter.editingProfiles.setValue(false);
 266                     Data.drawerOpen.setValue(false);
 267                     fabShouldShow();
 268                 }
 269                 @Override
 270                 public void onDrawerOpened(View drawerView) {
 271                     super.onDrawerOpened(drawerView);
 272                     mProfileListAdapter.setAnimationsEnabled(true);
 273                     Data.drawerOpen.setValue(true);
 274                     fabHide();
 275                 }
 276             };
 277             b.drawerLayout.addDrawerListener(drawerListener);
 278         }
 279
 280         Data.drawerOpen.observe(this, open -> {
 281             if (open)
 282                 b.drawerLayout.open();
 283             else
 284                 b.drawerLayout.close();
 285         });
 286
 287         mainModel.getUpdateError()
 288                  .observe(this, (error) -> {
 289                      if (error == null)
 290                          return;
 291
 292                      Snackbar.make(b.mainPager, error, Snackbar.LENGTH_INDEFINITE)
 293                              .show();
 294                      mainModel.clearUpdateError();
 295                  });
 296         Data.locale.observe(this, l -> refreshLastUpdateInfo());
 297         Data.lastUpdateDate.observe(this, date -> refreshLastUpdateInfo());
 298         Data.lastUpdateTransactionCount.observe(this, date -> refreshLastUpdateInfo());
 299         Data.lastUpdateAccountCount.observe(this, date -> refreshLastUpdateInfo());
 300         b.navAccountSummary.setOnClickListener(this::onAccountSummaryClicked);
 301         b.navLatestTransactions.setOnClickListener(this::onLatestTransactionsClicked);
 302         b.navPatterns.setOnClickListener(this::onPatternsClick);
 303     }
 304     private void onPatternsClick(View view) {
 305         Intent intent = new Intent(this, TemplatesActivity.class);
 306         startActivity(intent);
 307     }
 308     private void scheduleDataRetrievalIfStale(long lastUpdate) {
 309         long now = new Date().getTime();
 310         if ((lastUpdate == 0) || (now > (lastUpdate + (24 * 3600 * 1000)))) {
 311             if (lastUpdate == 0)
 312                 Logger.debug("db::", "WEB data never fetched. scheduling a fetch");
 313             else
 314                 Logger.debug("db", String.format(Locale.ENGLISH,
 315                         "WEB data last fetched at %1.3f and now is %1.3f. re-fetching",
 316                         lastUpdate / 1000f, now / 1000f));
 317
 318             mainModel.scheduleTransactionListRetrieval();
 319         }
 320     }
 321     private void createShortcuts(List<MobileLedgerProfile> list) {
 322         if (Build.VERSION.SDK_INT < Build.VERSION_CODES.N_MR1)
 323             return;
 324
 325         ShortcutManager sm = getSystemService(ShortcutManager.class);
 326         List<ShortcutInfo> shortcuts = new ArrayList<>();
 327         int i = 0;
 328         for (MobileLedgerProfile p : list) {
 329             if (shortcuts.size() >= sm.getMaxShortcutCountPerActivity())
 330                 break;
 331
 332             if (!p.isPostingPermitted())
 333                 continue;
 334
 335             final ShortcutInfo.Builder builder =
 336                     new ShortcutInfo.Builder(this, "new_transaction_" + p.getUuid());
 337             ShortcutInfo si = builder.setShortLabel(p.getName())
 338                                      .setIcon(Icon.createWithResource(this,
 339                                              R.drawable.thick_plus_icon))
 340                                      .setIntent(new Intent(Intent.ACTION_VIEW, null, this,
 341                                              NewTransactionActivity.class).putExtra("profile_uuid",
 342                                              p.getUuid()))
 343                                      .setRank(i)
 344                                      .build();
 345             shortcuts.add(si);
 346             i++;
 347         }
 348         sm.setDynamicShortcuts(shortcuts);
 349     }
 350     private void onProfileListChanged(List<MobileLedgerProfile> newList) {
 351         if ((newList == null) || newList.isEmpty()) {
 352             b.noProfilesLayout.setVisibility(View.VISIBLE);
 353             b.mainAppLayout.setVisibility(View.GONE);
 354             return;
 355         }
 356
 357         b.mainAppLayout.setVisibility(View.VISIBLE);
 358         b.noProfilesLayout.setVisibility(View.GONE);
 359
 360         b.navProfileList.setMinimumHeight(
 361                 (int) (getResources().getDimension(R.dimen.thumb_row_height) * newList.size()));
 362
 363         Logger.debug("profiles", "profile list changed");
 364         mProfileListAdapter.notifyDataSetChanged();
 365
 366         createShortcuts(newList);
 367     }
 368     /**
 369      * called when the current profile has changed
 370      */
 371     private void onProfileChanged(MobileLedgerProfile profile) {
 372         if (this.profile == null) {
 373             if (profile == null)
 374                 return;
 375         }
 376         else {
 377             if (this.profile.equals(profile))
 378                 return;
 379         }
 380
 381         boolean haveProfile = profile != null;
 382
 383         if (haveProfile)
 384             setTitle(profile.getName());
 385         else
 386             setTitle(R.string.app_name);
 387
 388         mainModel.setProfile(profile);
 389
 390         this.profile = profile;
 391
 392         int newProfileTheme = haveProfile ? profile.getThemeHue() : -1;
 393         if (newProfileTheme != Colors.profileThemeId) {
 394             Logger.debug("profiles",
 395                     String.format(Locale.ENGLISH, "profile theme %d → %d", Colors.profileThemeId,
 396                             newProfileTheme));
 397             Colors.profileThemeId = newProfileTheme;
 398             profileThemeChanged();
 399             // profileThemeChanged would restart the activity, so no need to reload the
 400             // data sets below
 401             return;
 402         }
 403
 404         b.noProfilesLayout.setVisibility(haveProfile ? View.GONE : View.VISIBLE);
 405         b.pagerLayout.setVisibility(haveProfile ? View.VISIBLE : View.VISIBLE);
 406
 407         mProfileListAdapter.notifyDataSetChanged();
 408
 409         mainModel.clearAccounts();
 410         mainModel.clearTransactions();
 411
 412         if (haveProfile) {
 413             mainModel.scheduleAccountListReload();
 414             Logger.debug("transactions", "requesting list reload");
 415             mainModel.scheduleTransactionListReload();
 416
 417             if (profile.isPostingPermitted()) {
 418                 b.toolbar.setSubtitle(null);
 419                 b.btnAddTransaction.show();
 420             }
 421             else {
 422                 b.toolbar.setSubtitle(R.string.profile_subtitle_read_only);
 423                 b.btnAddTransaction.hide();
 424             }
 425         }
 426         else {
 427             b.toolbar.setSubtitle(null);
 428             b.btnAddTransaction.hide();
 429         }
 430
 431         updateLastUpdateTextFromDB();
 432     }
 433     private void profileThemeChanged() {
 434         // un-hook all observed LiveData
 435         Data.removeProfileObservers(this);
 436         Data.profiles.removeObservers(this);
 437         Data.lastUpdateTransactionCount.removeObservers(this);
 438         Data.lastUpdateAccountCount.removeObservers(this);
 439         Data.lastUpdateDate.removeObservers(this);
 440
 441         recreate();
 442     }
 443     public void fabNewTransactionClicked(View view) {
 444         Intent intent = new Intent(this, NewTransactionActivity.class);
 445         startActivity(intent);
 446         overridePendingTransition(R.anim.slide_in_up, R.anim.dummy);
 447     }
 448     public void markDrawerItemCurrent(int id) {
 449         TextView item = b.drawerLayout.findViewById(id);
 450         item.setBackgroundColor(Colors.tableRowDarkBG);
 451
 452         for (int i = 0; i < b.navActions.getChildCount(); i++) {
 453             View view = b.navActions.getChildAt(i);
 454             if (view.getId() != id) {
 455                 view.setBackgroundColor(Color.TRANSPARENT);
 456             }
 457         }
 458     }
 459     public void onAccountSummaryClicked(View view) {
 460         b.drawerLayout.closeDrawers();
 461
 462         showAccountSummaryFragment();
 463     }
 464     private void showAccountSummaryFragment() {
 465         b.mainPager.setCurrentItem(0, true);
 466         mainModel.getAccountFilter()
 467                  .setValue(null);
 468     }
 469     public void onLatestTransactionsClicked(View view) {
 470         b.drawerLayout.closeDrawers();
 471
 472         showTransactionsFragment(null);
 473     }
 474     public void showTransactionsFragment(String accName) {
 475         mainModel.getAccountFilter()
 476                  .setValue(accName);
 477         b.mainPager.setCurrentItem(1, true);
 478     }
 479     public void showAccountTransactions(String accountName) {
 480         mBackMeansToAccountList = true;
 481         showTransactionsFragment(accountName);
 482     }
 483     @Override
 484     public void onBackPressed() {
 485         if (b.drawerLayout.isDrawerOpen(GravityCompat.START)) {
 486             b.drawerLayout.closeDrawer(GravityCompat.START);
 487         }
 488         else {
 489             if (mBackMeansToAccountList && (b.mainPager.getCurrentItem() == 1)) {
 490                 mainModel.getAccountFilter()
 491                          .setValue(null);
 492                 showAccountSummaryFragment();
 493                 mBackMeansToAccountList = false;
 494             }
 495             else {
 496                 Logger.debug("fragments", String.format(Locale.ENGLISH, "manager stack: %d",
 497                         getSupportFragmentManager().getBackStackEntryCount()));
 498
 499                 super.onBackPressed();
 500             }
 501         }
 502     }
 503     public void updateLastUpdateTextFromDB() {
 504         if (profile == null)
 505             return;
 506
 507         long lastUpdate = profile.getLongOption(MLDB.OPT_LAST_SCRAPE, 0L);
 508
 509         Logger.debug("transactions", String.format(Locale.ENGLISH, "Last update = %d", lastUpdate));
 510         if (lastUpdate == 0) {
 511             Data.lastUpdateDate.postValue(null);
 512         }
 513         else {
 514             Data.lastUpdateDate.postValue(new Date(lastUpdate));
 515         }
 516
 517         scheduleDataRetrievalIfStale(lastUpdate);
 518
 519     }
 520     private void refreshLastUpdateInfo() {
 521         final int formatFlags = DateUtils.FORMAT_SHOW_DATE | DateUtils.FORMAT_SHOW_YEAR |
 522                                 DateUtils.FORMAT_SHOW_TIME | DateUtils.FORMAT_NUMERIC_DATE;
 523         String templateForTransactions =
 524                 getResources().getString(R.string.transaction_count_summary);
 525         String templateForAccounts = getResources().getString(R.string.account_count_summary);
 526         Integer accountCount = Data.lastUpdateAccountCount.getValue();
 527         Integer transactionCount = Data.lastUpdateTransactionCount.getValue();
 528         Date lastUpdate = Data.lastUpdateDate.getValue();
 529         if (lastUpdate == null) {
 530             Data.lastTransactionsUpdateText.set("----");
 531             Data.lastAccountsUpdateText.set("----");
 532         }
 533         else {
 534             Data.lastTransactionsUpdateText.set(
 535                     String.format(Objects.requireNonNull(Data.locale.getValue()),
 536                             templateForTransactions,
 537                             transactionCount == null ? 0 : transactionCount,
 538                             DateUtils.formatDateTime(this, lastUpdate.getTime(), formatFlags)));
 539             Data.lastAccountsUpdateText.set(
 540                     String.format(Objects.requireNonNull(Data.locale.getValue()),
 541                             templateForAccounts, accountCount == null ? 0 : accountCount,
 542                             DateUtils.formatDateTime(this, lastUpdate.getTime(), formatFlags)));
 543         }
 544     }
 545     public void onStopTransactionRefreshClick(View view) {
 546         Logger.debug("interactive", "Cancelling transactions refresh");
 547         mainModel.stopTransactionsRetrieval();
 548         b.transactionListCancelDownload.setEnabled(false);
 549     }
 550     public void onRetrieveRunningChanged(Boolean running) {
 551         if (running) {
 552             b.transactionListCancelDownload.setEnabled(true);
 553             ColorStateList csl = Colors.getColorStateList();
 554             b.transactionListProgressBar.setIndeterminateTintList(csl);
 555             b.transactionListProgressBar.setProgressTintList(csl);
 556             b.transactionListProgressBar.setIndeterminate(true);
 557             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 558                 b.transactionListProgressBar.setProgress(0, false);
 559             }
 560             else {
 561                 b.transactionListProgressBar.setProgress(0);
 562             }
 563             b.transactionProgressLayout.setVisibility(View.VISIBLE);
 564         }
 565         else {
 566             b.transactionProgressLayout.setVisibility(View.GONE);
 567         }
 568     }
 569     public void onRetrieveProgress(RetrieveTransactionsTask.Progress progress) {
 570         if (progress.getState() == RetrieveTransactionsTask.ProgressState.FINISHED) {
 571             Logger.debug("progress", "Done");
 572             b.transactionProgressLayout.setVisibility(View.GONE);
 573
 574             mainModel.transactionRetrievalDone();
 575
 576             String error = progress.getError();
 577             if (error != null) {
 578                 if (error.equals(RetrieveTransactionsTask.Result.ERR_JSON_PARSER_ERROR))
 579                     error = getResources().getString(R.string.err_json_parser_error);
 580
 581                 AlertDialog.Builder builder = new AlertDialog.Builder(this);
 582                 builder.setMessage(error);
 583                 builder.setPositiveButton(R.string.btn_profile_options, (dialog, which) -> {
 584                     Logger.debug("error", "will start profile editor");
 585                     MobileLedgerProfile.startEditProfileActivity(this, profile);
 586                 });
 587                 builder.create()
 588                        .show();
 589                 return;
 590             }
 591
 592             return;
 593         }
 594
 595
 596         b.transactionListCancelDownload.setEnabled(true);
 597 //        ColorStateList csl = Colors.getColorStateList();
 598 //        progressBar.setIndeterminateTintList(csl);
 599 //        progressBar.setProgressTintList(csl);
 600 //        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N)
 601 //            progressBar.setProgress(0, false);
 602 //        else
 603 //            progressBar.setProgress(0);
 604         b.transactionProgressLayout.setVisibility(View.VISIBLE);
 605
 606         if (progress.isIndeterminate() || (progress.getTotal() <= 0)) {
 607             b.transactionListProgressBar.setIndeterminate(true);
 608             Logger.debug("progress", "indeterminate");
 609         }
 610         else {
 611             if (b.transactionListProgressBar.isIndeterminate()) {
 612                 b.transactionListProgressBar.setIndeterminate(false);
 613             }
 614 //            Logger.debug("progress",
 615 //                    String.format(Locale.US, "%d/%d", progress.getProgress(), progress.getTotal
 616 //                    ()));
 617             b.transactionListProgressBar.setMax(progress.getTotal());
 618             // for some reason animation doesn't work - no progress is shown (stick at 0)
 619             // on lineageOS 14.1 (Nougat, 7.1.2)
 620             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N)
 621                 b.transactionListProgressBar.setProgress(progress.getProgress(), false);
 622             else
 623                 b.transactionListProgressBar.setProgress(progress.getProgress());
 624         }
 625     }
 626     public void fabShouldShow() {
 627         if ((profile != null) && profile.isPostingPermitted() && !b.drawerLayout.isOpen())
 628             b.btnAddTransaction.show();
 629         else
 630             fabHide();
 631     }
 632     public void fabHide() {
 633         b.btnAddTransaction.hide();
 634     }
 635
 636     public static class SectionsPagerAdapter extends FragmentStateAdapter {
 637
 638         public SectionsPagerAdapter(@NonNull FragmentActivity fragmentActivity) {
 639             super(fragmentActivity);
 640         }
 641         @NotNull
 642         @Override
 643         public Fragment createFragment(int position) {
 644             Logger.debug("main",
 645                     String.format(Locale.ENGLISH, "Switching to fragment %d", position));
 646             switch (position) {
 647                 case 0:
 648 //                    debug("flow", "Creating account summary fragment");
 649                     return new AccountSummaryFragment();
 650                 case 1:
 651                     return new TransactionListFragment();
 652                 default:
 653                     throw new IllegalStateException(
 654                             String.format("Unexpected fragment index: " + "%d", position));
 655             }
 656         }
 657
 658         @Override
 659         public int getItemCount() {
 660             return 2;
 661         }
 662     }
 663 }