]> git.ktnx.net Git - mobile-ledger-staging.git/blobdiff - app/src/main/java/net/ktnx/mobileledger/ui/activity/MainActivity.java
fix setup of theme when the last profile was removed
[mobile-ledger-staging.git] / app / src / main / java / net / ktnx / mobileledger / ui / activity / MainActivity.java
index bedd3b3e424e654e825d1d46fc737a82e837a0dd..c66f43c489a98328556edd196dcdec6580b92852 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * Copyright © 2019 Damyan Ivanov.
+ * Copyright © 2020 Damyan Ivanov.
  * This file is part of MoLe.
  * MoLe is free software: you can distribute it and/or modify it
  * under the term of the GNU General Public License as published by
 package net.ktnx.mobileledger.ui.activity;
 
 import android.content.Intent;
-import android.content.SharedPreferences;
 import android.content.pm.PackageInfo;
 import android.content.pm.ShortcutInfo;
 import android.content.pm.ShortcutManager;
 import android.content.res.ColorStateList;
 import android.graphics.Color;
 import android.graphics.drawable.Icon;
-import android.os.AsyncTask;
 import android.os.Build;
 import android.os.Bundle;
+import android.text.format.DateUtils;
 import android.util.Log;
 import android.view.View;
-import android.view.ViewGroup;
-import android.view.ViewPropertyAnimator;
 import android.view.animation.AnimationUtils;
 import android.widget.LinearLayout;
 import android.widget.ProgressBar;
@@ -45,6 +42,7 @@ import androidx.drawerlayout.widget.DrawerLayout;
 import androidx.fragment.app.Fragment;
 import androidx.fragment.app.FragmentManager;
 import androidx.fragment.app.FragmentPagerAdapter;
+import androidx.lifecycle.ViewModelProvider;
 import androidx.recyclerview.widget.LinearLayoutManager;
 import androidx.recyclerview.widget.RecyclerView;
 import androidx.viewpager.widget.ViewPager;
@@ -53,33 +51,25 @@ import com.google.android.material.floatingactionbutton.FloatingActionButton;
 import com.google.android.material.snackbar.Snackbar;
 
 import net.ktnx.mobileledger.R;
-import net.ktnx.mobileledger.async.DbOpQueue;
-import net.ktnx.mobileledger.async.RefreshDescriptionsTask;
 import net.ktnx.mobileledger.async.RetrieveTransactionsTask;
 import net.ktnx.mobileledger.model.Data;
-import net.ktnx.mobileledger.model.LedgerAccount;
 import net.ktnx.mobileledger.model.MobileLedgerProfile;
-import net.ktnx.mobileledger.ui.account_summary.AccountSummaryAdapter;
+import net.ktnx.mobileledger.ui.MainModel;
 import net.ktnx.mobileledger.ui.account_summary.AccountSummaryFragment;
-import net.ktnx.mobileledger.ui.account_summary.AccountSummaryViewModel;
 import net.ktnx.mobileledger.ui.profiles.ProfileDetailFragment;
 import net.ktnx.mobileledger.ui.profiles.ProfilesRecyclerViewAdapter;
 import net.ktnx.mobileledger.ui.transaction_list.TransactionListFragment;
-import net.ktnx.mobileledger.ui.transaction_list.TransactionListViewModel;
 import net.ktnx.mobileledger.utils.Colors;
-import net.ktnx.mobileledger.utils.GetOptCallback;
-import net.ktnx.mobileledger.utils.LockHolder;
+import net.ktnx.mobileledger.utils.Logger;
 import net.ktnx.mobileledger.utils.MLDB;
 
 import org.jetbrains.annotations.NotNull;
 
-import java.text.DateFormat;
 import java.util.ArrayList;
 import java.util.Date;
 import java.util.List;
 import java.util.Locale;
-
-import static net.ktnx.mobileledger.utils.Logger.debug;
+import java.util.Objects;
 
 /*
  * TODO: reports
@@ -89,8 +79,6 @@ public class MainActivity extends ProfileThemedActivity {
     public static final String STATE_CURRENT_PAGE = "current_page";
     public static final String BUNDLE_SAVED_STATE = "bundle_savedState";
     public static final String STATE_ACC_FILTER = "account_filter";
-    private static final String PREF_THEME_ID = "themeId";
-    public AccountSummaryFragment mAccountSummaryFragment;
     DrawerLayout drawer;
     private View profileListHeadMore, profileListHeadCancel, profileListHeadAddProfile;
     private View bTransactionListCancelDownload;
@@ -105,18 +93,23 @@ public class MainActivity extends ProfileThemedActivity {
     private ActionBarDrawerToggle barDrawerToggle;
     private ViewPager.SimpleOnPageChangeListener pageChangeListener;
     private MobileLedgerProfile profile;
+    private MainModel mainModel;
     @Override
     protected void onStart() {
         super.onStart();
 
+        Logger.debug("MainActivity", "onStart()");
+
         mViewPager.setCurrentItem(mCurrentPage, false);
     }
     @Override
     protected void onSaveInstanceState(@NotNull Bundle outState) {
         super.onSaveInstanceState(outState);
         outState.putInt(STATE_CURRENT_PAGE, mViewPager.getCurrentItem());
-        if (Data.accountFilter.getValue() != null)
-            outState.putString(STATE_ACC_FILTER, Data.accountFilter.getValue());
+        if (mainModel.getAccountFilter()
+                     .getValue() != null)
+            outState.putString(STATE_ACC_FILTER, mainModel.getAccountFilter()
+                                                          .getValue());
     }
     @Override
     protected void onDestroy() {
@@ -137,13 +130,9 @@ public class MainActivity extends ProfileThemedActivity {
     }
     @Override
     protected void setupProfileColors() {
-        SharedPreferences prefs = getPreferences(MODE_PRIVATE);
-        int profileColor = prefs.getInt(PREF_THEME_ID, -2);
-        if (profileColor == -2)
-            profileColor = Data.retrieveCurrentThemeIdFromDb();
+        final int profileColor = Data.retrieveCurrentThemeIdFromDb();
         Colors.setupTheme(this, profileColor);
         Colors.profileThemeId = profileColor;
-        storeThemeIdInPrefs(profileColor);
     }
     @Override
     protected void onResume() {
@@ -152,10 +141,13 @@ public class MainActivity extends ProfileThemedActivity {
     }
     @Override
     protected void onCreate(Bundle savedInstanceState) {
+        Logger.debug("MainActivity", "onCreate()/entry");
         super.onCreate(savedInstanceState);
-        debug("flow", "MainActivity.onCreate()");
+        Logger.debug("MainActivity", "onCreate()/after super");
         setContentView(R.layout.activity_main);
 
+        mainModel = new ViewModelProvider(this).get(MainModel.class);
+
         fab = findViewById(R.id.btn_add_transaction);
         profileListHeadMore = findViewById(R.id.nav_profiles_start_edit);
         profileListHeadCancel = findViewById(R.id.nav_profiles_cancel_edit);
@@ -175,9 +167,11 @@ public class MainActivity extends ProfileThemedActivity {
         mToolbar = findViewById(R.id.toolbar);
         setSupportActionBar(mToolbar);
 
-        Data.profile.observe(this, this::onProfileChanged);
+        Data.observeProfile(this, this::onProfileChanged);
 
         Data.profiles.observe(this, this::onProfileListChanged);
+        Data.backgroundTaskProgress.observe(this, this::onRetrieveProgress);
+        Data.backgroundTasksRunning.observe(this, this::onRetrieveRunningChanged);
 
         if (barDrawerToggle == null) {
             barDrawerToggle = new ActionBarDrawerToggle(this, drawer, mToolbar,
@@ -185,24 +179,6 @@ public class MainActivity extends ProfileThemedActivity {
             drawer.addDrawerListener(barDrawerToggle);
         }
         barDrawerToggle.syncState();
-        drawer.addDrawerListener(new DrawerLayout.DrawerListener() {
-            @Override
-            public void onDrawerSlide(@NonNull View drawerView, float slideOffset) {
-                if (slideOffset > 0.2)
-                    fabHide();
-            }
-            @Override
-            public void onDrawerOpened(@NonNull View drawerView) {
-                fabHide();
-            }
-            @Override
-            public void onDrawerClosed(@NonNull View drawerView) {
-                fabShouldShow();
-            }
-            @Override
-            public void onDrawerStateChanged(int newState) {}
-        });
-
 
         try {
             PackageInfo pi = getApplicationContext().getPackageManager()
@@ -249,11 +225,10 @@ public class MainActivity extends ProfileThemedActivity {
             if (currentPage != -1) {
                 mCurrentPage = currentPage;
             }
-            Data.accountFilter.setValue(savedInstanceState.getString(STATE_ACC_FILTER, null));
+            mainModel.getAccountFilter()
+                     .setValue(savedInstanceState.getString(STATE_ACC_FILTER, null));
         }
 
-        Data.lastUpdateDate.observe(this, this::updateLastUpdateDisplay);
-
         findViewById(R.id.btn_no_profiles_add).setOnClickListener(
                 v -> startEditProfileActivity(null));
 
@@ -312,33 +287,62 @@ public class MainActivity extends ProfileThemedActivity {
                 (v) -> mProfileListAdapter.flipEditingProfiles());
         if (drawerListener == null) {
             drawerListener = new DrawerLayout.SimpleDrawerListener() {
+                @Override
+                public void onDrawerSlide(@NonNull View drawerView, float slideOffset) {
+                    if (slideOffset > 0.2)
+                        fabHide();
+                }
                 @Override
                 public void onDrawerClosed(View drawerView) {
                     super.onDrawerClosed(drawerView);
                     mProfileListAdapter.setAnimationsEnabled(false);
                     mProfileListAdapter.editingProfiles.setValue(false);
+                    Data.drawerOpen.setValue(false);
+                    fabShouldShow();
                 }
                 @Override
                 public void onDrawerOpened(View drawerView) {
                     super.onDrawerOpened(drawerView);
                     mProfileListAdapter.setAnimationsEnabled(true);
+                    Data.drawerOpen.setValue(true);
+                    fabHide();
                 }
             };
             drawer.addDrawerListener(drawerListener);
         }
-        setupProfile();
-    }
-    private void scheduleDataRetrievalIfStale(Date lastUpdate) {
+
+        Data.drawerOpen.observe(this, open -> {
+            if (open)
+                drawer.open();
+            else
+                drawer.close();
+        });
+
+        mainModel.getUpdateError()
+                 .observe(this, (error) -> {
+                     if (error == null)
+                         return;
+
+                     Snackbar.make(mViewPager, error, Snackbar.LENGTH_LONG)
+                             .show();
+                     mainModel.clearUpdateError();
+                 });
+        Data.locale.observe(this, l -> refreshLastUpdateInfo());
+        Data.lastUpdateDate.observe(this, date -> refreshLastUpdateInfo());
+        Data.lastUpdateTransactionCount.observe(this, date -> refreshLastUpdateInfo());
+        Data.lastUpdateAccountCount.observe(this, date -> refreshLastUpdateInfo());
+    }
+    private void scheduleDataRetrievalIfStale(long lastUpdate) {
         long now = new Date().getTime();
-        if ((lastUpdate == null) || (now > (lastUpdate.getTime() + (24 * 3600 * 1000)))) {
-            if (lastUpdate == null)
-                debug("db::", "WEB data never fetched. scheduling a fetch");
+        if ((lastUpdate == 0) || (now > (lastUpdate + (24 * 3600 * 1000)))) {
+            if (lastUpdate == 0)
+                Logger.debug("db::", "WEB data never fetched. scheduling a fetch");
             else
-                debug("db", String.format(Locale.ENGLISH,
+                Logger.debug("db", String.format(Locale.ENGLISH,
                         "WEB data last fetched at %1.3f and now is %1.3f. re-fetching",
-                        lastUpdate.getTime() / 1000f, now / 1000f));
+                        lastUpdate / 1000f, now / 1000f));
 
-            Data.scheduleTransactionListRetrieval(this);
+            mainModel.scheduleTransactionListRetrieval();
         }
     }
     private void createShortcuts(List<MobileLedgerProfile> list) {
@@ -355,52 +359,35 @@ public class MainActivity extends ProfileThemedActivity {
             if (!p.isPostingPermitted())
                 continue;
 
-            ShortcutInfo si =
-                    new ShortcutInfo.Builder(this, "new_transaction_" + p.getUuid()).setShortLabel(
-                            p.getName())
-                                                                                    .setIcon(
-                                                                                            Icon.createWithResource(
-                                                                                                    this,
-                                                                                                    R.drawable.svg_thick_plus_white))
-                                                                                    .setIntent(
-                                                                                            new Intent(
-                                                                                                    Intent.ACTION_VIEW,
-                                                                                                    null,
-                                                                                                    this,
-                                                                                                    NewTransactionActivity.class).putExtra(
-                                                                                                    "profile_uuid",
-                                                                                                    p.getUuid()))
-                                                                                    .setRank(i)
-                                                                                    .build();
+            final ShortcutInfo.Builder builder =
+                    new ShortcutInfo.Builder(this, "new_transaction_" + p.getUuid());
+            ShortcutInfo si = builder.setShortLabel(p.getName())
+                                     .setIcon(Icon.createWithResource(this,
+                                             R.drawable.thick_plus_icon))
+                                     .setIntent(new Intent(Intent.ACTION_VIEW, null, this,
+                                             NewTransactionActivity.class).putExtra("profile_uuid",
+                                             p.getUuid()))
+                                     .setRank(i)
+                                     .build();
             shortcuts.add(si);
             i++;
         }
         sm.setDynamicShortcuts(shortcuts);
     }
     private void onProfileListChanged(List<MobileLedgerProfile> newList) {
-        if (newList == null) {
-            // profiles not yet loaded from DB
-            findViewById(R.id.loading_layout).setVisibility(View.VISIBLE);
-            findViewById(R.id.no_profiles_layout).setVisibility(View.GONE);
-            findViewById(R.id.main_app_layout).setVisibility(View.GONE);
-            return;
-        }
-
-        if (newList.isEmpty()) {
+        if ((newList == null) || newList.isEmpty()) {
             findViewById(R.id.no_profiles_layout).setVisibility(View.VISIBLE);
             findViewById(R.id.main_app_layout).setVisibility(View.GONE);
-            findViewById(R.id.loading_layout).setVisibility(View.GONE);
             return;
         }
 
         findViewById(R.id.main_app_layout).setVisibility(View.VISIBLE);
         findViewById(R.id.no_profiles_layout).setVisibility(View.GONE);
-        findViewById(R.id.loading_layout).setVisibility(View.GONE);
 
         findViewById(R.id.nav_profile_list).setMinimumHeight(
                 (int) (getResources().getDimension(R.dimen.thumb_row_height) * newList.size()));
 
-        debug("profiles", "profile list changed");
+        Logger.debug("profiles", "profile list changed");
         mProfileListAdapter.notifyDataSetChanged();
 
         createShortcuts(newList);
@@ -409,6 +396,15 @@ public class MainActivity extends ProfileThemedActivity {
      * called when the current profile has changed
      */
     private void onProfileChanged(MobileLedgerProfile profile) {
+        if (this.profile == null) {
+            if (profile == null)
+                return;
+        }
+        else {
+            if (this.profile.equals(profile))
+                return;
+        }
+
         boolean haveProfile = profile != null;
 
         if (haveProfile)
@@ -416,11 +412,13 @@ public class MainActivity extends ProfileThemedActivity {
         else
             setTitle(R.string.app_name);
 
+        mainModel.setProfile(profile);
+
         this.profile = profile;
 
         int newProfileTheme = haveProfile ? profile.getThemeHue() : -1;
         if (newProfileTheme != Colors.profileThemeId) {
-            debug("profiles",
+            Logger.debug("profiles",
                     String.format(Locale.ENGLISH, "profile theme %d → %d", Colors.profileThemeId,
                             newProfileTheme));
             Colors.profileThemeId = newProfileTheme;
@@ -435,16 +433,14 @@ public class MainActivity extends ProfileThemedActivity {
 
         mProfileListAdapter.notifyDataSetChanged();
 
-        drawer.closeDrawers();
-
-        Data.transactions.clear();
-        debug("transactions", "requesting list reload");
-        TransactionListViewModel.scheduleTransactionListReload();
-
-        Data.accounts.clear();
-        AccountSummaryViewModel.scheduleAccountListReload();
+        mainModel.clearAccounts();
+        mainModel.clearTransactions();
 
         if (haveProfile) {
+            mainModel.scheduleAccountListReload();
+            Logger.debug("transactions", "requesting list reload");
+            mainModel.scheduleTransactionListReload();
+
             if (profile.isPostingPermitted()) {
                 mToolbar.setSubtitle(null);
                 fab.show();
@@ -461,40 +457,16 @@ public class MainActivity extends ProfileThemedActivity {
 
         updateLastUpdateTextFromDB();
     }
-    private void updateLastUpdateDisplay(Date newValue) {
-        LinearLayout l = findViewById(R.id.transactions_last_update_layout);
-        TextView v = findViewById(R.id.transactions_last_update);
-        if (newValue == null) {
-            l.setVisibility(View.INVISIBLE);
-            debug("main", "no last update date :(");
-        }
-        else {
-            final String text = DateFormat.getDateTimeInstance()
-                                          .format(newValue);
-            v.setText(text);
-            l.setVisibility(View.VISIBLE);
-            debug("main", String.format("Date formatted: %s", text));
-        }
-
-        scheduleDataRetrievalIfStale(newValue);
-    }
     private void profileThemeChanged() {
-        storeThemeIdInPrefs(profile.getThemeHue());
-
         // un-hook all observed LiveData
-        Data.profile.removeObservers(this);
+        Data.removeProfileObservers(this);
         Data.profiles.removeObservers(this);
+        Data.lastUpdateTransactionCount.removeObservers(this);
+        Data.lastUpdateAccountCount.removeObservers(this);
         Data.lastUpdateDate.removeObservers(this);
 
         recreate();
     }
-    private void storeThemeIdInPrefs(int themeId) {
-        // store the new theme id in the preferences
-        SharedPreferences prefs = getPreferences(MODE_PRIVATE);
-        SharedPreferences.Editor e = prefs.edit();
-        e.putInt(PREF_THEME_ID, themeId);
-        e.apply();
-    }
     public void startEditProfileActivity(MobileLedgerProfile profile) {
         Intent intent = new Intent(this, ProfileDetailActivity.class);
         Bundle args = new Bundle();
@@ -506,17 +478,6 @@ public class MainActivity extends ProfileThemedActivity {
         intent.putExtras(args);
         startActivity(intent, args);
     }
-    private void setupProfile() {
-        MLDB.getOption(MLDB.OPT_PROFILE_UUID, null, new GetOptCallback() {
-            @Override
-            protected void onResult(String profileUUID) {
-                MobileLedgerProfile startupProfile;
-
-                startupProfile = Data.getProfile(profileUUID);
-                Data.setCurrentProfile(startupProfile);
-            }
-        });
-    }
     public void fabNewTransactionClicked(View view) {
         Intent intent = new Intent(this, NewTransactionActivity.class);
         startActivity(intent);
@@ -541,23 +502,22 @@ public class MainActivity extends ProfileThemedActivity {
     }
     private void showAccountSummaryFragment() {
         mViewPager.setCurrentItem(0, true);
-        Data.accountFilter.setValue(null);
+        mainModel.getAccountFilter()
+                 .setValue(null);
     }
     public void onLatestTransactionsClicked(View view) {
         drawer.closeDrawers();
 
-        showTransactionsFragment((String) null);
+        showTransactionsFragment(null);
     }
-    private void showTransactionsFragment(String accName) {
-        Data.accountFilter.setValue(accName);
+    public void showTransactionsFragment(String accName) {
+        mainModel.getAccountFilter()
+                 .setValue(accName);
         mViewPager.setCurrentItem(1, true);
     }
-    private void showTransactionsFragment(LedgerAccount account) {
-        showTransactionsFragment((account == null) ? null : account.getName());
-    }
-    public void showAccountTransactions(LedgerAccount account) {
+    public void showAccountTransactions(String accountName) {
         mBackMeansToAccountList = true;
-        showTransactionsFragment(account);
+        showTransactionsFragment(accountName);
     }
     @Override
     public void onBackPressed() {
@@ -567,12 +527,13 @@ public class MainActivity extends ProfileThemedActivity {
         }
         else {
             if (mBackMeansToAccountList && (mViewPager.getCurrentItem() == 1)) {
-                Data.accountFilter.setValue(null);
+                mainModel.getAccountFilter()
+                         .setValue(null);
                 showAccountSummaryFragment();
                 mBackMeansToAccountList = false;
             }
             else {
-                debug("fragments", String.format(Locale.ENGLISH, "manager stack: %d",
+                Logger.debug("fragments", String.format(Locale.ENGLISH, "manager stack: %d",
                         getSupportFragmentManager().getBackStackEntryCount()));
 
                 super.onBackPressed();
@@ -583,174 +544,130 @@ public class MainActivity extends ProfileThemedActivity {
         if (profile == null)
             return;
 
-        long last_update = profile.getLongOption(MLDB.OPT_LAST_SCRAPE, 0L);
+        long lastUpdate = profile.getLongOption(MLDB.OPT_LAST_SCRAPE, 0L);
 
-        debug("transactions", String.format(Locale.ENGLISH, "Last update = %d", last_update));
-        if (last_update == 0) {
+        Logger.debug("transactions", String.format(Locale.ENGLISH, "Last update = %d", lastUpdate));
+        if (lastUpdate == 0) {
             Data.lastUpdateDate.postValue(null);
         }
         else {
-            Data.lastUpdateDate.postValue(new Date(last_update));
+            Data.lastUpdateDate.postValue(new Date(lastUpdate));
+        }
+
+        scheduleDataRetrievalIfStale(lastUpdate);
+
+    }
+    private void refreshLastUpdateInfo() {
+        final int formatFlags = DateUtils.FORMAT_SHOW_DATE | DateUtils.FORMAT_SHOW_YEAR |
+                                DateUtils.FORMAT_SHOW_TIME | DateUtils.FORMAT_NUMERIC_DATE;
+        String templateForTransactions =
+                getResources().getString(R.string.transaction_count_summary);
+        String templateForAccounts = getResources().getString(R.string.account_count_summary);
+        Integer accountCount = Data.lastUpdateAccountCount.getValue();
+        Integer transactionCount = Data.lastUpdateTransactionCount.getValue();
+        Date lastUpdate = Data.lastUpdateDate.getValue();
+        if (lastUpdate == null) {
+            Data.lastTransactionsUpdateText.set("----");
+            Data.lastAccountsUpdateText.set("----");
+        }
+        else {
+            Data.lastTransactionsUpdateText.set(
+                    String.format(Objects.requireNonNull(Data.locale.getValue()),
+                            templateForTransactions,
+                            transactionCount == null ? 0 : transactionCount,
+                            DateUtils.formatDateTime(this, lastUpdate.getTime(), formatFlags)));
+            Data.lastAccountsUpdateText.set(
+                    String.format(Objects.requireNonNull(Data.locale.getValue()),
+                            templateForAccounts, accountCount == null ? 0 : accountCount,
+                            DateUtils.formatDateTime(this, lastUpdate.getTime(), formatFlags)));
         }
     }
     public void onStopTransactionRefreshClick(View view) {
-        debug("interactive", "Cancelling transactions refresh");
-        Data.stopTransactionsRetrieval();
+        Logger.debug("interactive", "Cancelling transactions refresh");
+        mainModel.stopTransactionsRetrieval();
         bTransactionListCancelDownload.setEnabled(false);
     }
-    public void onRetrieveDone(String error) {
-        Data.transactionRetrievalDone();
-        findViewById(R.id.transaction_progress_layout).setVisibility(View.GONE);
-
-        if (error == null) {
-            updateLastUpdateTextFromDB();
-
-            new RefreshDescriptionsTask().executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
-            TransactionListViewModel.scheduleTransactionListReload();
+    public void onRetrieveRunningChanged(Boolean running) {
+        final View progressLayout = findViewById(R.id.transaction_progress_layout);
+        if (running) {
+            ProgressBar progressBar = findViewById(R.id.transaction_list_progress_bar);
+            bTransactionListCancelDownload.setEnabled(true);
+            ColorStateList csl = Colors.getColorStateList();
+            progressBar.setIndeterminateTintList(csl);
+            progressBar.setProgressTintList(csl);
+            progressBar.setIndeterminate(true);
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
+                progressBar.setProgress(0, false);
+            }
+            else {
+                progressBar.setProgress(0);
+            }
+            progressLayout.setVisibility(View.VISIBLE);
+        }
+        else {
+            progressLayout.setVisibility(View.GONE);
         }
-        else
-            Snackbar.make(mViewPager, error, Snackbar.LENGTH_LONG)
-                    .show();
     }
-    public void onRetrieveStart() {
+    public void onRetrieveProgress(RetrieveTransactionsTask.Progress progress) {
         ProgressBar progressBar = findViewById(R.id.transaction_list_progress_bar);
+
+        if (progress.getState() == RetrieveTransactionsTask.ProgressState.FINISHED) {
+            Logger.debug("progress", "Done");
+            findViewById(R.id.transaction_progress_layout).setVisibility(View.GONE);
+
+            mainModel.transactionRetrievalDone();
+
+            if (progress.getError() != null) {
+                Snackbar.make(mViewPager, progress.getError(), Snackbar.LENGTH_LONG)
+                        .show();
+                return;
+            }
+
+            return;
+        }
+
+
         bTransactionListCancelDownload.setEnabled(true);
-        ColorStateList csl = Colors.getColorStateList();
-        progressBar.setIndeterminateTintList(csl);
-        progressBar.setProgressTintList(csl);
-        progressBar.setIndeterminate(true);
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N)
-            progressBar.setProgress(0, false);
-        else
-            progressBar.setProgress(0);
+//        ColorStateList csl = Colors.getColorStateList();
+//        progressBar.setIndeterminateTintList(csl);
+//        progressBar.setProgressTintList(csl);
+//        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N)
+//            progressBar.setProgress(0, false);
+//        else
+//            progressBar.setProgress(0);
         findViewById(R.id.transaction_progress_layout).setVisibility(View.VISIBLE);
-    }
-    public void onRetrieveProgress(RetrieveTransactionsTask.Progress progress) {
-        ProgressBar progressBar = findViewById(R.id.transaction_list_progress_bar);
-        if ((progress.getTotal() == RetrieveTransactionsTask.Progress.INDETERMINATE) ||
-            (progress.getTotal() == 0))
-        {
+
+        if (progress.isIndeterminate() || (progress.getTotal() <= 0)) {
             progressBar.setIndeterminate(true);
+            Logger.debug("progress", "indeterminate");
         }
         else {
-            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
-                progressBar.setMin(0);
+            if (progressBar.isIndeterminate()) {
+                progressBar.setIndeterminate(false);
             }
+//            Logger.debug("progress",
+//                    String.format(Locale.US, "%d/%d", progress.getProgress(), progress.getTotal
+//                    ()));
             progressBar.setMax(progress.getTotal());
-            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
-                progressBar.setProgress(progress.getProgress(), true);
-            }
+            // for some reason animation doesn't work - no progress is shown (stick at 0)
+            // on lineageOS 14.1 (Nougat, 7.1.2)
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N)
+                progressBar.setProgress(progress.getProgress(), false);
             else
                 progressBar.setProgress(progress.getProgress());
-            progressBar.setIndeterminate(false);
         }
     }
     public void fabShouldShow() {
         if ((profile != null) && profile.isPostingPermitted() && !drawer.isOpen())
             fab.show();
+        else
+            fabHide();
     }
     public void fabHide() {
         fab.hide();
     }
-    public void onAccountSummaryRowViewClicked(View view) {
-        ViewGroup row;
-        if (view.getId() == R.id.account_expander)
-            row = (ViewGroup) view.getParent()
-                                  .getParent();
-        else
-            row = (ViewGroup) view.getParent();
-
-        LedgerAccount acc = (LedgerAccount) row.getTag();
-        switch (view.getId()) {
-            case R.id.account_row_acc_name:
-            case R.id.account_expander:
-            case R.id.account_expander_container:
-                debug("accounts", "Account expander clicked");
-                if (!acc.hasSubAccounts())
-                    return;
-
-                boolean wasExpanded = acc.isExpanded();
-
-                View arrow = row.findViewById(R.id.account_expander_container);
-
-                arrow.clearAnimation();
-                ViewPropertyAnimator animator = arrow.animate();
-
-                acc.toggleExpanded();
-                DbOpQueue.add("update accounts set expanded=? where name=? and profile=?",
-                        new Object[]{acc.isExpanded(), acc.getName(), profile.getUuid()
-                        });
-
-                if (wasExpanded) {
-                    debug("accounts", String.format("Collapsing account '%s'", acc.getName()));
-                    arrow.setRotation(0);
-                    animator.rotationBy(180);
-
-                    // removing all child accounts from the view
-                    int start = -1, count = 0;
-                    try (LockHolder ignored = Data.accounts.lockForWriting()) {
-                        for (int i = 0; i < Data.accounts.size(); i++) {
-                            if (acc.isParentOf(Data.accounts.get(i))) {
-//                                debug("accounts", String.format("Found a child '%s' at position
-//                                %d",
-//                                        Data.accounts.get(i).getName(), i));
-                                if (start == -1) {
-                                    start = i;
-                                }
-                                count++;
-                            }
-                            else {
-                                if (start != -1) {
-//                                    debug("accounts",
-//                                            String.format("Found a non-child '%s' at position %d",
-//                                                    Data.accounts.get(i).getName(), i));
-                                    break;
-                                }
-                            }
-                        }
-
-                        if (start != -1) {
-                            for (int j = 0; j < count; j++) {
-//                                debug("accounts", String.format("Removing item %d: %s", start + j,
-//                                        Data.accounts.get(start).getName()));
-                                Data.accounts.removeQuietly(start);
-                            }
-
-                            mAccountSummaryFragment.modelAdapter.notifyItemRangeRemoved(start,
-                                    count);
-                        }
-                    }
-                }
-                else {
-                    debug("accounts", String.format("Expanding account '%s'", acc.getName()));
-                    arrow.setRotation(180);
-                    animator.rotationBy(-180);
-                    List<LedgerAccount> children = profile.loadVisibleChildAccountsOf(acc);
-                    try (LockHolder ignored = Data.accounts.lockForWriting()) {
-                        int parentPos = Data.accounts.indexOf(acc);
-                        if (parentPos != -1) {
-                            // may have disappeared in a concurrent refresh operation
-                            Data.accounts.addAllQuietly(parentPos + 1, children);
-                            mAccountSummaryFragment.modelAdapter.notifyItemRangeInserted(
-                                    parentPos + 1, children.size());
-                        }
-                    }
-                }
-                break;
-            case R.id.account_row_acc_amounts:
-                if (acc.getAmountCount() > AccountSummaryAdapter.AMOUNT_LIMIT) {
-                    acc.toggleAmountsExpanded();
-                    DbOpQueue.add(
-                            "update accounts set amounts_expanded=? where name=? and profile=?",
-                            new Object[]{acc.amountsExpanded(), acc.getName(), profile.getUuid()
-                            });
-                    Data.accounts.triggerItemChangedNotification(acc);
-                }
-                break;
-        }
-    }
 
-    public class SectionsPagerAdapter extends FragmentPagerAdapter {
+    public static class SectionsPagerAdapter extends FragmentPagerAdapter {
 
         SectionsPagerAdapter(FragmentManager fm) {
             super(fm, BEHAVIOR_RESUME_ONLY_CURRENT_FRAGMENT);
@@ -759,11 +676,12 @@ public class MainActivity extends ProfileThemedActivity {
         @NotNull
         @Override
         public Fragment getItem(int position) {
-            debug("main", String.format(Locale.ENGLISH, "Switching to fragment %d", position));
+            Logger.debug("main",
+                    String.format(Locale.ENGLISH, "Switching to fragment %d", position));
             switch (position) {
                 case 0:
 //                    debug("flow", "Creating account summary fragment");
-                    return mAccountSummaryFragment = new AccountSummaryFragment();
+                    return new AccountSummaryFragment();
                 case 1:
                     return new TransactionListFragment();
                 default: