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[mobile-ledger.git] / 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.widget.Toolbar;
40 import androidx.core.view.GravityCompat;
41 import androidx.drawerlayout.widget.DrawerLayout;
42 import androidx.fragment.app.Fragment;
43 import androidx.fragment.app.FragmentActivity;
44 import androidx.lifecycle.ViewModelProvider;
45 import androidx.recyclerview.widget.LinearLayoutManager;
46 import androidx.recyclerview.widget.RecyclerView;
47 import androidx.viewpager2.adapter.FragmentStateAdapter;
48 import androidx.viewpager2.widget.ViewPager2;
49
50 import com.google.android.material.floatingactionbutton.FloatingActionButton;
51 import com.google.android.material.snackbar.Snackbar;
52
53 import net.ktnx.mobileledger.R;
54 import net.ktnx.mobileledger.async.RetrieveTransactionsTask;
55 import net.ktnx.mobileledger.model.Data;
56 import net.ktnx.mobileledger.model.MobileLedgerProfile;
57 import net.ktnx.mobileledger.ui.MainModel;
58 import net.ktnx.mobileledger.ui.account_summary.AccountSummaryFragment;
59 import net.ktnx.mobileledger.ui.profiles.ProfileDetailFragment;
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 setupProfileColors() {
133         final int profileColor = Data.retrieveCurrentThemeIdFromDb();
134         Colors.setupTheme(this, profileColor);
135         Colors.profileThemeId = profileColor;
136     }
137     @Override
138     protected void onResume() {
139         super.onResume();
140         fabShouldShow();
141     }
142     @Override
143     protected void onCreate(Bundle savedInstanceState) {
144         Logger.debug("MainActivity", "onCreate()/entry");
145         super.onCreate(savedInstanceState);
146         Logger.debug("MainActivity", "onCreate()/after super");
147         setContentView(R.layout.activity_main);
148
149         mainModel = new ViewModelProvider(this).get(MainModel.class);
150
151         fab = findViewById(R.id.btn_add_transaction);
152         profileListHeadMore = findViewById(R.id.nav_profiles_start_edit);
153         profileListHeadCancel = findViewById(R.id.nav_profiles_cancel_edit);
154         LinearLayout profileListHeadMoreAndCancel =
155                 findViewById(R.id.nav_profile_list_head_buttons);
156         profileListHeadAddProfile = findViewById(R.id.nav_new_profile_button);
157         drawer = findViewById(R.id.drawer_layout);
158         bTransactionListCancelDownload = findViewById(R.id.transaction_list_cancel_download);
159         mSectionsPagerAdapter = new SectionsPagerAdapter(this);
160         mViewPager = findViewById(R.id.root_frame);
161
162         Bundle extra = getIntent().getBundleExtra(BUNDLE_SAVED_STATE);
163         if (extra != null && savedInstanceState == null)
164             savedInstanceState = extra;
165
166
167         mToolbar = findViewById(R.id.toolbar);
168         setSupportActionBar(mToolbar);
169
170         Data.observeProfile(this, this::onProfileChanged);
171
172         Data.profiles.observe(this, this::onProfileListChanged);
173         Data.backgroundTaskProgress.observe(this, this::onRetrieveProgress);
174         Data.backgroundTasksRunning.observe(this, this::onRetrieveRunningChanged);
175
176         if (barDrawerToggle == null) {
177             barDrawerToggle = new ActionBarDrawerToggle(this, drawer, mToolbar,
178                     R.string.navigation_drawer_open, R.string.navigation_drawer_close);
179             drawer.addDrawerListener(barDrawerToggle);
180         }
181         barDrawerToggle.syncState();
182
183         try {
184             PackageInfo pi = getApplicationContext().getPackageManager()
185                                                     .getPackageInfo(getPackageName(), 0);
186             ((TextView) findViewById(R.id.nav_upper).findViewById(
187                     R.id.drawer_version_text)).setText(pi.versionName);
188             ((TextView) findViewById(R.id.no_profiles_layout).findViewById(
189                     R.id.drawer_version_text)).setText(pi.versionName);
190         }
191         catch (Exception e) {
192             e.printStackTrace();
193         }
194
195         markDrawerItemCurrent(R.id.nav_account_summary);
196
197         mViewPager.setAdapter(mSectionsPagerAdapter);
198
199         if (pageChangeCallback == null) {
200             pageChangeCallback = new ViewPager2.OnPageChangeCallback() {
201                 @Override
202                 public void onPageSelected(int position) {
203                     mCurrentPage = position;
204                     switch (position) {
205                         case 0:
206                             markDrawerItemCurrent(R.id.nav_account_summary);
207                             break;
208                         case 1:
209                             markDrawerItemCurrent(R.id.nav_latest_transactions);
210                             break;
211                         default:
212                             Log.e("MainActivity",
213                                     String.format("Unexpected page index %d", position));
214                     }
215
216                     super.onPageSelected(position);
217                 }
218             };
219             mViewPager.registerOnPageChangeCallback(pageChangeCallback);
220         }
221
222         mCurrentPage = 0;
223         if (savedInstanceState != null) {
224             int currentPage = savedInstanceState.getInt(STATE_CURRENT_PAGE, -1);
225             if (currentPage != -1) {
226                 mCurrentPage = currentPage;
227             }
228             mainModel.getAccountFilter()
229                      .setValue(savedInstanceState.getString(STATE_ACC_FILTER, null));
230         }
231
232         findViewById(R.id.btn_no_profiles_add).setOnClickListener(
233                 v -> startEditProfileActivity(null));
234
235         findViewById(R.id.btn_add_transaction).setOnClickListener(this::fabNewTransactionClicked);
236
237         findViewById(R.id.nav_new_profile_button).setOnClickListener(
238                 v -> startEditProfileActivity(null));
239
240         findViewById(R.id.transaction_list_cancel_download).setOnClickListener(this::onStopTransactionRefreshClick);
241
242         RecyclerView root = findViewById(R.id.nav_profile_list);
243         if (root == null)
244             throw new RuntimeException("Can't get hold on the transaction value view");
245
246         if (mProfileListAdapter == null)
247             mProfileListAdapter = new ProfilesRecyclerViewAdapter();
248         root.setAdapter(mProfileListAdapter);
249
250         mProfileListAdapter.editingProfiles.observe(this, newValue -> {
251             if (newValue) {
252                 profileListHeadMore.setVisibility(View.GONE);
253                 profileListHeadCancel.setVisibility(View.VISIBLE);
254                 profileListHeadAddProfile.setVisibility(View.VISIBLE);
255                 if (drawer.isDrawerOpen(GravityCompat.START)) {
256                     profileListHeadMore.startAnimation(
257                             AnimationUtils.loadAnimation(MainActivity.this, R.anim.fade_out));
258                     profileListHeadCancel.startAnimation(
259                             AnimationUtils.loadAnimation(MainActivity.this, R.anim.fade_in));
260                     profileListHeadAddProfile.startAnimation(
261                             AnimationUtils.loadAnimation(MainActivity.this, R.anim.fade_in));
262                 }
263             }
264             else {
265                 profileListHeadCancel.setVisibility(View.GONE);
266                 profileListHeadMore.setVisibility(View.VISIBLE);
267                 profileListHeadAddProfile.setVisibility(View.GONE);
268                 if (drawer.isDrawerOpen(GravityCompat.START)) {
269                     profileListHeadCancel.startAnimation(
270                             AnimationUtils.loadAnimation(MainActivity.this, R.anim.fade_out));
271                     profileListHeadMore.startAnimation(
272                             AnimationUtils.loadAnimation(MainActivity.this, R.anim.fade_in));
273                     profileListHeadAddProfile.startAnimation(
274                             AnimationUtils.loadAnimation(MainActivity.this, R.anim.fade_out));
275                 }
276             }
277
278             mProfileListAdapter.notifyDataSetChanged();
279         });
280
281         LinearLayoutManager llm = new LinearLayoutManager(this);
282
283         llm.setOrientation(RecyclerView.VERTICAL);
284         root.setLayoutManager(llm);
285
286         profileListHeadMore.setOnClickListener((v) -> mProfileListAdapter.flipEditingProfiles());
287         profileListHeadCancel.setOnClickListener((v) -> mProfileListAdapter.flipEditingProfiles());
288         profileListHeadMoreAndCancel.setOnClickListener(
289                 (v) -> mProfileListAdapter.flipEditingProfiles());
290         if (drawerListener == null) {
291             drawerListener = new DrawerLayout.SimpleDrawerListener() {
292                 @Override
293                 public void onDrawerSlide(@NonNull View drawerView, float slideOffset) {
294                     if (slideOffset > 0.2)
295                         fabHide();
296                 }
297                 @Override
298                 public void onDrawerClosed(View drawerView) {
299                     super.onDrawerClosed(drawerView);
300                     mProfileListAdapter.setAnimationsEnabled(false);
301                     mProfileListAdapter.editingProfiles.setValue(false);
302                     Data.drawerOpen.setValue(false);
303                     fabShouldShow();
304                 }
305                 @Override
306                 public void onDrawerOpened(View drawerView) {
307                     super.onDrawerOpened(drawerView);
308                     mProfileListAdapter.setAnimationsEnabled(true);
309                     Data.drawerOpen.setValue(true);
310                     fabHide();
311                 }
312             };
313             drawer.addDrawerListener(drawerListener);
314         }
315
316         Data.drawerOpen.observe(this, open -> {
317             if (open)
318                 drawer.open();
319             else
320                 drawer.close();
321         });
322
323         mainModel.getUpdateError()
324                  .observe(this, (error) -> {
325                      if (error == null)
326                          return;
327
328                      Snackbar.make(mViewPager, error, Snackbar.LENGTH_LONG)
329                              .show();
330                      mainModel.clearUpdateError();
331                  });
332         Data.locale.observe(this, l -> refreshLastUpdateInfo());
333         Data.lastUpdateDate.observe(this, date -> refreshLastUpdateInfo());
334         Data.lastUpdateTransactionCount.observe(this, date -> refreshLastUpdateInfo());
335         Data.lastUpdateAccountCount.observe(this, date -> refreshLastUpdateInfo());
336     }
337     private void scheduleDataRetrievalIfStale(long lastUpdate) {
338         long now = new Date().getTime();
339         if ((lastUpdate == 0) || (now > (lastUpdate + (24 * 3600 * 1000)))) {
340             if (lastUpdate == 0)
341                 Logger.debug("db::", "WEB data never fetched. scheduling a fetch");
342             else
343                 Logger.debug("db", String.format(Locale.ENGLISH,
344                         "WEB data last fetched at %1.3f and now is %1.3f. re-fetching",
345                         lastUpdate / 1000f, now / 1000f));
346
347             mainModel.scheduleTransactionListRetrieval();
348         }
349     }
350     private void createShortcuts(List<MobileLedgerProfile> list) {
351         if (Build.VERSION.SDK_INT < Build.VERSION_CODES.N_MR1)
352             return;
353
354         ShortcutManager sm = getSystemService(ShortcutManager.class);
355         List<ShortcutInfo> shortcuts = new ArrayList<>();
356         int i = 0;
357         for (MobileLedgerProfile p : list) {
358             if (shortcuts.size() >= sm.getMaxShortcutCountPerActivity())
359                 break;
360
361             if (!p.isPostingPermitted())
362                 continue;
363
364             final ShortcutInfo.Builder builder =
365                     new ShortcutInfo.Builder(this, "new_transaction_" + p.getUuid());
366             ShortcutInfo si = builder.setShortLabel(p.getName())
367                                      .setIcon(Icon.createWithResource(this,
368                                              R.drawable.thick_plus_icon))
369                                      .setIntent(new Intent(Intent.ACTION_VIEW, null, this,
370                                              NewTransactionActivity.class).putExtra("profile_uuid",
371                                              p.getUuid()))
372                                      .setRank(i)
373                                      .build();
374             shortcuts.add(si);
375             i++;
376         }
377         sm.setDynamicShortcuts(shortcuts);
378     }
379     private void onProfileListChanged(List<MobileLedgerProfile> newList) {
380         if ((newList == null) || newList.isEmpty()) {
381             findViewById(R.id.no_profiles_layout).setVisibility(View.VISIBLE);
382             findViewById(R.id.main_app_layout).setVisibility(View.GONE);
383             return;
384         }
385
386         findViewById(R.id.main_app_layout).setVisibility(View.VISIBLE);
387         findViewById(R.id.no_profiles_layout).setVisibility(View.GONE);
388
389         findViewById(R.id.nav_profile_list).setMinimumHeight(
390                 (int) (getResources().getDimension(R.dimen.thumb_row_height) * newList.size()));
391
392         Logger.debug("profiles", "profile list changed");
393         mProfileListAdapter.notifyDataSetChanged();
394
395         createShortcuts(newList);
396     }
397     /**
398      * called when the current profile has changed
399      */
400     private void onProfileChanged(MobileLedgerProfile profile) {
401         if (this.profile == null) {
402             if (profile == null)
403                 return;
404         }
405         else {
406             if (this.profile.equals(profile))
407                 return;
408         }
409
410         boolean haveProfile = profile != null;
411
412         if (haveProfile)
413             setTitle(profile.getName());
414         else
415             setTitle(R.string.app_name);
416
417         mainModel.setProfile(profile);
418
419         this.profile = profile;
420
421         int newProfileTheme = haveProfile ? profile.getThemeHue() : -1;
422         if (newProfileTheme != Colors.profileThemeId) {
423             Logger.debug("profiles",
424                     String.format(Locale.ENGLISH, "profile theme %d → %d", Colors.profileThemeId,
425                             newProfileTheme));
426             Colors.profileThemeId = newProfileTheme;
427             profileThemeChanged();
428             // profileThemeChanged would restart the activity, so no need to reload the
429             // data sets below
430             return;
431         }
432
433         findViewById(R.id.no_profiles_layout).setVisibility(haveProfile ? View.GONE : View.VISIBLE);
434         findViewById(R.id.pager_layout).setVisibility(haveProfile ? View.VISIBLE : View.VISIBLE);
435
436         mProfileListAdapter.notifyDataSetChanged();
437
438         mainModel.clearAccounts();
439         mainModel.clearTransactions();
440
441         if (haveProfile) {
442             mainModel.scheduleAccountListReload();
443             Logger.debug("transactions", "requesting list reload");
444             mainModel.scheduleTransactionListReload();
445
446             if (profile.isPostingPermitted()) {
447                 mToolbar.setSubtitle(null);
448                 fab.show();
449             }
450             else {
451                 mToolbar.setSubtitle(R.string.profile_subtitle_read_only);
452                 fab.hide();
453             }
454         }
455         else {
456             mToolbar.setSubtitle(null);
457             fab.hide();
458         }
459
460         updateLastUpdateTextFromDB();
461     }
462     private void profileThemeChanged() {
463         // un-hook all observed LiveData
464         Data.removeProfileObservers(this);
465         Data.profiles.removeObservers(this);
466         Data.lastUpdateTransactionCount.removeObservers(this);
467         Data.lastUpdateAccountCount.removeObservers(this);
468         Data.lastUpdateDate.removeObservers(this);
469
470         recreate();
471     }
472     public void startEditProfileActivity(MobileLedgerProfile profile) {
473         Intent intent = new Intent(this, ProfileDetailActivity.class);
474         Bundle args = new Bundle();
475         if (profile != null) {
476             int index = Data.getProfileIndex(profile);
477             if (index != -1)
478                 intent.putExtra(ProfileDetailFragment.ARG_ITEM_ID, index);
479         }
480         intent.putExtras(args);
481         startActivity(intent, args);
482     }
483     public void fabNewTransactionClicked(View view) {
484         Intent intent = new Intent(this, NewTransactionActivity.class);
485         startActivity(intent);
486         overridePendingTransition(R.anim.slide_in_up, R.anim.dummy);
487     }
488     public void markDrawerItemCurrent(int id) {
489         TextView item = drawer.findViewById(id);
490         item.setBackgroundColor(Colors.tableRowDarkBG);
491
492         LinearLayout actions = drawer.findViewById(R.id.nav_actions);
493         for (int i = 0; i < actions.getChildCount(); i++) {
494             View view = actions.getChildAt(i);
495             if (view.getId() != id) {
496                 view.setBackgroundColor(Color.TRANSPARENT);
497             }
498         }
499     }
500     public void onAccountSummaryClicked(View view) {
501         drawer.closeDrawers();
502
503         showAccountSummaryFragment();
504     }
505     private void showAccountSummaryFragment() {
506         mViewPager.setCurrentItem(0, true);
507         mainModel.getAccountFilter()
508                  .setValue(null);
509     }
510     public void onLatestTransactionsClicked(View view) {
511         drawer.closeDrawers();
512
513         showTransactionsFragment(null);
514     }
515     public void showTransactionsFragment(String accName) {
516         mainModel.getAccountFilter()
517                  .setValue(accName);
518         mViewPager.setCurrentItem(1, true);
519     }
520     public void showAccountTransactions(String accountName) {
521         mBackMeansToAccountList = true;
522         showTransactionsFragment(accountName);
523     }
524     @Override
525     public void onBackPressed() {
526         DrawerLayout drawer = findViewById(R.id.drawer_layout);
527         if (drawer.isDrawerOpen(GravityCompat.START)) {
528             drawer.closeDrawer(GravityCompat.START);
529         }
530         else {
531             if (mBackMeansToAccountList && (mViewPager.getCurrentItem() == 1)) {
532                 mainModel.getAccountFilter()
533                          .setValue(null);
534                 showAccountSummaryFragment();
535                 mBackMeansToAccountList = false;
536             }
537             else {
538                 Logger.debug("fragments", String.format(Locale.ENGLISH, "manager stack: %d",
539                         getSupportFragmentManager().getBackStackEntryCount()));
540
541                 super.onBackPressed();
542             }
543         }
544     }
545     public void updateLastUpdateTextFromDB() {
546         if (profile == null)
547             return;
548
549         long lastUpdate = profile.getLongOption(MLDB.OPT_LAST_SCRAPE, 0L);
550
551         Logger.debug("transactions", String.format(Locale.ENGLISH, "Last update = %d", lastUpdate));
552         if (lastUpdate == 0) {
553             Data.lastUpdateDate.postValue(null);
554         }
555         else {
556             Data.lastUpdateDate.postValue(new Date(lastUpdate));
557         }
558
559         scheduleDataRetrievalIfStale(lastUpdate);
560
561     }
562     private void refreshLastUpdateInfo() {
563         final int formatFlags = DateUtils.FORMAT_SHOW_DATE | DateUtils.FORMAT_SHOW_YEAR |
564                                 DateUtils.FORMAT_SHOW_TIME | DateUtils.FORMAT_NUMERIC_DATE;
565         String templateForTransactions =
566                 getResources().getString(R.string.transaction_count_summary);
567         String templateForAccounts = getResources().getString(R.string.account_count_summary);
568         Integer accountCount = Data.lastUpdateAccountCount.getValue();
569         Integer transactionCount = Data.lastUpdateTransactionCount.getValue();
570         Date lastUpdate = Data.lastUpdateDate.getValue();
571         if (lastUpdate == null) {
572             Data.lastTransactionsUpdateText.set("----");
573             Data.lastAccountsUpdateText.set("----");
574         }
575         else {
576             Data.lastTransactionsUpdateText.set(
577                     String.format(Objects.requireNonNull(Data.locale.getValue()),
578                             templateForTransactions,
579                             transactionCount == null ? 0 : transactionCount,
580                             DateUtils.formatDateTime(this, lastUpdate.getTime(), formatFlags)));
581             Data.lastAccountsUpdateText.set(
582                     String.format(Objects.requireNonNull(Data.locale.getValue()),
583                             templateForAccounts, accountCount == null ? 0 : accountCount,
584                             DateUtils.formatDateTime(this, lastUpdate.getTime(), formatFlags)));
585         }
586     }
587     public void onStopTransactionRefreshClick(View view) {
588         Logger.debug("interactive", "Cancelling transactions refresh");
589         mainModel.stopTransactionsRetrieval();
590         bTransactionListCancelDownload.setEnabled(false);
591     }
592     public void onRetrieveRunningChanged(Boolean running) {
593         final View progressLayout = findViewById(R.id.transaction_progress_layout);
594         if (running) {
595             ProgressBar progressBar = findViewById(R.id.transaction_list_progress_bar);
596             bTransactionListCancelDownload.setEnabled(true);
597             ColorStateList csl = Colors.getColorStateList();
598             progressBar.setIndeterminateTintList(csl);
599             progressBar.setProgressTintList(csl);
600             progressBar.setIndeterminate(true);
601             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
602                 progressBar.setProgress(0, false);
603             }
604             else {
605                 progressBar.setProgress(0);
606             }
607             progressLayout.setVisibility(View.VISIBLE);
608         }
609         else {
610             progressLayout.setVisibility(View.GONE);
611         }
612     }
613     public void onRetrieveProgress(RetrieveTransactionsTask.Progress progress) {
614         ProgressBar progressBar = findViewById(R.id.transaction_list_progress_bar);
615
616         if (progress.getState() == RetrieveTransactionsTask.ProgressState.FINISHED) {
617             Logger.debug("progress", "Done");
618             findViewById(R.id.transaction_progress_layout).setVisibility(View.GONE);
619
620             mainModel.transactionRetrievalDone();
621
622             if (progress.getError() != null) {
623                 Snackbar.make(mViewPager, progress.getError(), Snackbar.LENGTH_LONG)
624                         .show();
625                 return;
626             }
627
628             return;
629         }
630
631
632         bTransactionListCancelDownload.setEnabled(true);
633 //        ColorStateList csl = Colors.getColorStateList();
634 //        progressBar.setIndeterminateTintList(csl);
635 //        progressBar.setProgressTintList(csl);
636 //        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N)
637 //            progressBar.setProgress(0, false);
638 //        else
639 //            progressBar.setProgress(0);
640         findViewById(R.id.transaction_progress_layout).setVisibility(View.VISIBLE);
641
642         if (progress.isIndeterminate() || (progress.getTotal() <= 0)) {
643             progressBar.setIndeterminate(true);
644             Logger.debug("progress", "indeterminate");
645         }
646         else {
647             if (progressBar.isIndeterminate()) {
648                 progressBar.setIndeterminate(false);
649             }
650 //            Logger.debug("progress",
651 //                    String.format(Locale.US, "%d/%d", progress.getProgress(), progress.getTotal
652 //                    ()));
653             progressBar.setMax(progress.getTotal());
654             // for some reason animation doesn't work - no progress is shown (stick at 0)
655             // on lineageOS 14.1 (Nougat, 7.1.2)
656             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N)
657                 progressBar.setProgress(progress.getProgress(), false);
658             else
659                 progressBar.setProgress(progress.getProgress());
660         }
661     }
662     public void fabShouldShow() {
663         if ((profile != null) && profile.isPostingPermitted() && !drawer.isOpen())
664             fab.show();
665         else
666             fabHide();
667     }
668     public void fabHide() {
669         fab.hide();
670     }
671
672     public static class SectionsPagerAdapter extends FragmentStateAdapter {
673
674         public SectionsPagerAdapter(@NonNull FragmentActivity fragmentActivity) {
675             super(fragmentActivity);
676         }
677         @NotNull
678         @Override
679         public Fragment createFragment(int position) {
680             Logger.debug("main",
681                     String.format(Locale.ENGLISH, "Switching to fragment %d", position));
682             switch (position) {
683                 case 0:
684 //                    debug("flow", "Creating account summary fragment");
685                     return new AccountSummaryFragment();
686                 case 1:
687                     return new TransactionListFragment();
688                 default:
689                     throw new IllegalStateException(
690                             String.format("Unexpected fragment index: " + "%d", position));
691             }
692         }
693
694         @Override
695         public int getItemCount() {
696             return 2;
697         }
698     }
699 }