Examples with Line im.tny.segvault.subway.Line used on opensource projects

Example 6 with Line

use of im.tny.segvault.subway.Line in project underlx by underlx.

the class RouteFragment method showRoute.

private void showRoute(boolean realtimeEqualsNeutral) {
    if (route == null) {
        return;
    }
    layoutRoute.removeAllViews();
    if (originPicker.getSelection().isAlwaysClosed()) {
        viewOriginStationClosed.setText(String.format(getString(R.string.frag_route_station_closed_extended), originPicker.getSelection().getName()));
        layoutOriginStationClosed.setVisibility(View.VISIBLE);
    } else if (originPicker.getSelection().isExceptionallyClosed(network, new Date()) && useRealtimeCheckbox.isChecked()) {
        viewOriginStationClosed.setText(String.format(getString(R.string.frag_route_station_closed_schedule), originPicker.getSelection().getName()));
        layoutOriginStationClosed.setVisibility(View.VISIBLE);
    } else {
        layoutOriginStationClosed.setVisibility(View.GONE);
    }
    if (destinationPicker.getSelection().isAlwaysClosed()) {
        viewDestinationStationClosed.setText(String.format(getString(R.string.frag_route_station_closed_extended), destinationPicker.getSelection().getName()));
        layoutDestinationStationClosed.setVisibility(View.VISIBLE);
    } else if (destinationPicker.getSelection().isExceptionallyClosed(network, new Date()) && useRealtimeCheckbox.isChecked()) {
        viewDestinationStationClosed.setText(String.format(getString(R.string.frag_route_station_closed_schedule), destinationPicker.getSelection().getName()));
        layoutDestinationStationClosed.setVisibility(View.VISIBLE);
    } else {
        layoutDestinationStationClosed.setVisibility(View.GONE);
    }
    for (Step step : route) {
        View view = null;
        if (step instanceof EnterStep) {
            view = getActivity().getLayoutInflater().inflate(R.layout.step_enter_network, layoutRoute, false);
            final Line line = step.getLine();
            int lineColor = line.getColor();
            FrameLayout lineStripeLayout = (FrameLayout) view.findViewById(R.id.line_stripe_layout);
            lineStripeLayout.setBackgroundColor(lineColor);
            populateStationView(getActivity(), step.getStation(), view);
            if (step.getStation().getLines().size() > 1) {
                Drawable drawable = ContextCompat.getDrawable(getContext(), Util.getDrawableResourceIdForLineId(line.getId()));
                drawable.setColorFilter(lineColor, PorterDuff.Mode.SRC_ATOP);
                FrameLayout iconFrame = (FrameLayout) view.findViewById(R.id.frame_icon);
                if (Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.JELLY_BEAN) {
                    iconFrame.setBackgroundDrawable(drawable);
                } else {
                    iconFrame.setBackground(drawable);
                }
                TextView lineView = (TextView) view.findViewById(R.id.line_name_view);
                lineView.setText(String.format(getString(R.string.frag_route_line_name), Util.getLineNames(getContext(), line)[0]));
                lineView.setTextColor(lineColor);
                LinearLayout lineLayout = (LinearLayout) view.findViewById(R.id.line_layout);
                lineLayout.setOnClickListener(new View.OnClickListener() {

                    @Override
                    public void onClick(View v) {
                        Intent intent = new Intent(getContext(), LineActivity.class);
                        intent.putExtra(LineActivity.EXTRA_LINE_ID, line.getId());
                        intent.putExtra(LineActivity.EXTRA_NETWORK_ID, network.getId());
                        startActivity(intent);
                    }
                });
                lineLayout.setVisibility(View.VISIBLE);
            }
            TextView directionView = (TextView) view.findViewById(R.id.direction_view);
            directionView.setText(Util.fromHtml(String.format(getString(R.string.frag_route_direction), ((EnterStep) step).getDirection().getName())));
            if (line.getUsualCarCount() < network.getUsualCarCount()) {
                LinearLayout carsWarningLayout = (LinearLayout) view.findViewById(R.id.cars_warning_layout);
                carsWarningLayout.setVisibility(View.VISIBLE);
            }
            if (mListener != null && mListener.getMainService() != null) {
                Map<String, LineStatusCache.Status> statuses = mListener.getLineStatusCache().getLineStatus();
                if (statuses.get(line.getId()) != null && statuses.get(line.getId()).down) {
                    LinearLayout disturbancesWarningLayout = (LinearLayout) view.findViewById(R.id.disturbances_warning_layout);
                    disturbancesWarningLayout.setVisibility(View.VISIBLE);
                }
            }
        } else if (step instanceof ChangeLineStep) {
            final ChangeLineStep lStep = (ChangeLineStep) step;
            view = getActivity().getLayoutInflater().inflate(R.layout.step_change_line, layoutRoute, false);
            int prevLineColor = lStep.getLine().getColor();
            FrameLayout prevLineStripeLayout = (FrameLayout) view.findViewById(R.id.prev_line_stripe_layout);
            prevLineStripeLayout.setBackgroundColor(prevLineColor);
            int nextLineColor = lStep.getTarget().getColor();
            FrameLayout nextLineStripeLayout = (FrameLayout) view.findViewById(R.id.next_line_stripe_layout);
            nextLineStripeLayout.setBackgroundColor(nextLineColor);
            populateStationView(getActivity(), lStep.getStation(), view);
            Drawable drawable = ContextCompat.getDrawable(getContext(), Util.getDrawableResourceIdForLineId(lStep.getTarget().getId()));
            drawable.setColorFilter(nextLineColor, PorterDuff.Mode.SRC_ATOP);
            FrameLayout iconFrame = (FrameLayout) view.findViewById(R.id.frame_icon);
            if (Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.JELLY_BEAN) {
                iconFrame.setBackgroundDrawable(drawable);
            } else {
                iconFrame.setBackground(drawable);
            }
            TextView lineView = (TextView) view.findViewById(R.id.line_name_view);
            lineView.setText(String.format(getString(R.string.frag_route_line_name), Util.getLineNames(getContext(), lStep.getTarget())[0]));
            lineView.setTextColor(nextLineColor);
            LinearLayout lineLayout = (LinearLayout) view.findViewById(R.id.line_layout);
            lineLayout.setOnClickListener(new View.OnClickListener() {

                @Override
                public void onClick(View v) {
                    Intent intent = new Intent(getContext(), LineActivity.class);
                    intent.putExtra(LineActivity.EXTRA_LINE_ID, lStep.getTarget().getId());
                    intent.putExtra(LineActivity.EXTRA_NETWORK_ID, network.getId());
                    startActivity(intent);
                }
            });
            lineLayout.setVisibility(View.VISIBLE);
            TextView directionView = (TextView) view.findViewById(R.id.direction_view);
            directionView.setText(Util.fromHtml(String.format(getString(R.string.frag_route_direction), lStep.getDirection().getName())));
            if (lStep.getTarget().getUsualCarCount() < network.getUsualCarCount()) {
                LinearLayout carsWarningLayout = (LinearLayout) view.findViewById(R.id.cars_warning_layout);
                carsWarningLayout.setVisibility(View.VISIBLE);
            }
            if (mListener != null && mListener.getMainService() != null) {
                Map<String, LineStatusCache.Status> statuses = mListener.getLineStatusCache().getLineStatus();
                if (statuses.get(lStep.getTarget().getId()) != null && statuses.get(lStep.getTarget().getId()).down) {
                    LinearLayout disturbancesWarningLayout = (LinearLayout) view.findViewById(R.id.disturbances_warning_layout);
                    disturbancesWarningLayout.setVisibility(View.VISIBLE);
                }
            }
        } else if (step instanceof ExitStep) {
            view = getActivity().getLayoutInflater().inflate(R.layout.step_exit_network, layoutRoute, false);
            int lineColor = step.getLine().getColor();
            FrameLayout lineStripeLayout = (FrameLayout) view.findViewById(R.id.line_stripe_layout);
            lineStripeLayout.setBackgroundColor(lineColor);
            populateStationView(getActivity(), step.getStation(), view);
        }
        layoutRoute.addView(view);
    }
    if (layoutRoute.getChildCount() == 0) {
        View view = getActivity().getLayoutInflater().inflate(R.layout.step_already_there, layoutRoute, false);
        populateStationView(getActivity(), originPicker.getSelection(), view);
        // TODO maybe revive this
        /*if (originPicker.getSelection().getLine().getUsualCarCount() < network.getUsualCarCount() ||
                    destinationPicker.getSelection().getLine().getUsualCarCount() < network.getUsualCarCount()) {
                LinearLayout carsWarningLayout = (LinearLayout) view.findViewById(R.id.cars_warning_layout);
                carsWarningLayout.setVisibility(View.VISIBLE);
            }*/
        layoutRoute.addView(view);
    }
    if (network.isAboutToClose() && route.hasLineChange()) {
        Formatter f = new Formatter();
        DateUtils.formatDateRange(getContext(), f, network.getNextCloseTime(), network.getNextCloseTime(), DateUtils.FORMAT_SHOW_TIME, network.getTimezone().getID());
        viewNetworkClosed.setText(String.format(getString(R.string.warning_network_about_to_close_transfers), f.toString(), destinationPicker.getSelection().getName()));
        layoutNetworkClosed.setVisibility(View.VISIBLE);
    } else
        updateClosedWarning();
    layoutInstructions.setVisibility(View.GONE);
    layoutRoute.setVisibility(View.VISIBLE);
    swapButton.setVisibility(View.VISIBLE);
    if (realtimeEqualsNeutral) {
        useRealtimeCheckbox.setVisibility(View.GONE);
    } else {
        useRealtimeCheckbox.setVisibility(View.VISIBLE);
    }
    int length = 0;
    double realWeight = 0;
    // TODO: switch to using route.getPath().getWeight() directly once DisturbanceAwareWeighter
    // can actually provide proper weights for lines with disturbances, and not just some
    // extremely large number
    NeutralWeighter weighter = new NeutralWeighter();
    for (Connection c : route.getPath().getEdgeList()) {
        length += c.getWorldLength();
        realWeight += weighter.getEdgeWeight(network, c);
    }
    if (length < 1000) {
        routeEtaView.setText(String.format("%s (%d m)", DateUtils.formatElapsedTime((int) realWeight), length));
    } else {
        routeEtaView.setText(String.format("%s (%.01f km)", DateUtils.formatElapsedTime((int) realWeight), length / 1000.0));
    }
    SharedPreferences sharedPref = getContext().getSharedPreferences("settings", MODE_PRIVATE);
    boolean locationEnabled = sharedPref.getBoolean(PreferenceNames.LocationEnable, true);
    if (locationEnabled) {
        layoutBottomSheet.setVisibility(View.VISIBLE);
    }
}

Example 7 with Line

use of im.tny.segvault.subway.Line in project underlx by underlx.

the class DisturbancesIntroSlide method onCreateView.

@Nullable
@Override
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
    view = inflater.inflate(R.layout.fragment_intro_disturbances, container, false);
    ((Button) view.findViewById(R.id.select_lines_button)).setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View v) {
            List<Line> lines = new LinkedList<>();
            if (mListener != null && mListener.getMainService() != null) {
                for (Network n : mListener.getMainService().getNetworks()) {
                    lines.addAll(n.getLines());
                }
                Collections.sort(lines, new Comparator<Line>() {

                    @Override
                    public int compare(Line line, Line t1) {
                        return Integer.valueOf(line.getOrder()).compareTo(t1.getOrder());
                    }
                });
            }
            if (lines.size() == 0) {
                if (Connectivity.isConnected(getContext())) {
                    Snackbar.make(view, R.string.intro_disturbances_misc_error, Snackbar.LENGTH_LONG).show();
                } else {
                    Snackbar.make(view, R.string.intro_disturbances_connection_error, Snackbar.LENGTH_LONG).show();
                }
                return;
            }
            view.findViewById(R.id.description_layout).setVisibility(View.GONE);
            view.findViewById(R.id.select_lines_button).setVisibility(View.GONE);
            LinearLayout checkboxLayout = (LinearLayout) view.findViewById(R.id.checkbox_layout);
            SharedPreferences sharedPref = getContext().getSharedPreferences("notifsettings", Context.MODE_PRIVATE);
            Set<String> linePref = sharedPref.getStringSet(PreferenceNames.NotifsLines, null);
            for (final Line l : lines) {
                AppCompatCheckBox checkBox = new AppCompatCheckBox(view.getContext());
                checkBox.setText(Util.getLineNames(getContext(), l)[0]);
                checkBox.setTextColor(Color.WHITE);
                ColorStateList colorStateList = new ColorStateList(new int[][] { // unchecked
                new int[] { -android.R.attr.state_checked }, // checked
                new int[] { android.R.attr.state_checked } }, new int[] { l.getColor(), l.getColor() });
                CompoundButtonCompat.setButtonTintList(checkBox, colorStateList);
                checkBox.setChecked(linePref == null || linePref.contains(l.getId()));
                checkBox.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {

                    @Override
                    public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
                        updateShowLineNotifs(l.getId(), isChecked);
                    }
                });
                checkboxLayout.addView(checkBox);
            }
            view.findViewById(R.id.lines_layout).setVisibility(View.VISIBLE);
        }
    });
    return view;
}

Example 8 with Line

use of im.tny.segvault.subway.Line in project underlx by underlx.

the class HomeStatsFragment method redraw.

private void redraw(Context context) {
    if (mListener == null || mListener.getMainService() == null) {
        return;
    }
    StatsCache cache = mListener.getMainService().getStatsCache();
    if (cache == null) {
        return;
    }
    StatsCache.Stats stats = cache.getNetworkStats(networkId);
    if (stats == null) {
        return;
    }
    // Calculate days difference like the website
    Calendar today = Calendar.getInstance();
    today.setTime(new Date());
    today.set(Calendar.HOUR_OF_DAY, 0);
    today.set(Calendar.MINUTE, 0);
    today.set(Calendar.SECOND, 0);
    today.set(Calendar.MILLISECOND, 0);
    Calendar lastDisturbance = Calendar.getInstance();
    lastDisturbance.setTime(stats.lastDisturbance);
    lastDisturbance.set(Calendar.HOUR_OF_DAY, 0);
    lastDisturbance.set(Calendar.MINUTE, 0);
    lastDisturbance.set(Calendar.SECOND, 0);
    lastDisturbance.set(Calendar.MILLISECOND, 0);
    SharedPreferences sharedPref = context.getSharedPreferences("settings", MODE_PRIVATE);
    boolean locationEnabled = sharedPref.getBoolean(PreferenceNames.LocationEnable, true);
    if (locationEnabled) {
        if (stats.curOnInTransit == 0) {
            usersOnlineView.setText(R.string.frag_stats_few_users_in_network);
        } else {
            usersOnlineView.setText(String.format(getString(R.string.frag_stats_users_in_network), stats.curOnInTransit));
        }
        usersOnlineView.setVisibility(View.VISIBLE);
    } else {
        usersOnlineView.setVisibility(View.GONE);
    }
    long days = (today.getTime().getTime() - lastDisturbance.getTime().getTime()) / (24 * 60 * 60 * 1000);
    if (days < 2) {
        long hours = (new Date().getTime() - stats.lastDisturbance.getTime()) / (60 * 60 * 1000);
        lastDisturbanceView.setHtml(String.format(getString(R.string.frag_stats_last_disturbance_hours), hours));
    } else {
        lastDisturbanceView.setHtml(String.format(getString(R.string.frag_stats_last_disturbance_days), days));
    }
    Network net = mListener.getMainService().getNetwork(networkId);
    if (net == null) {
        return;
    }
    List<Line> lines = new ArrayList<>(net.getLines());
    Collections.sort(lines, new Comparator<Line>() {

        @Override
        public int compare(Line t0, Line t1) {
            return Integer.valueOf(t0.getOrder()).compareTo(t1.getOrder());
        }
    });
    lineStatsLayout.removeAllViews();
    TableRow header = (TableRow) getActivity().getLayoutInflater().inflate(R.layout.line_stats_header, lineStatsLayout, false);
    lineStatsLayout.addView(header);
    for (Line line : lines) {
        double weekAvail;
        if (stats.weekLineStats.get(line.getId()) == null) {
            continue;
        } else {
            weekAvail = stats.weekLineStats.get(line.getId()).availability;
        }
        double monthAvail;
        if (stats.monthLineStats.get(line.getId()) == null) {
            continue;
        } else {
            monthAvail = stats.monthLineStats.get(line.getId()).availability;
        }
        TableRow row = (TableRow) getActivity().getLayoutInflater().inflate(R.layout.line_stats_row, lineStatsLayout, false);
        TextView lineNameView = (TextView) row.findViewById(R.id.line_name_view);
        lineNameView.setText(Util.getLineNames(getContext(), line)[0]);
        lineNameView.setTextColor(line.getColor());
        ((TextView) row.findViewById(R.id.week_availability_view)).setText(String.format("%.3f%%", weekAvail * 100));
        ((TextView) row.findViewById(R.id.month_availability_view)).setText(String.format("%.3f%%", monthAvail * 100));
        lineStatsLayout.addView(row);
    }
    if (new Date().getTime() - stats.updated.getTime() > java.util.concurrent.TimeUnit.MINUTES.toMillis(5)) {
        lineStatsLayout.setAlpha(0.6f);
        lastDisturbanceView.setAlpha(0.6f);
        usersOnlineView.setAlpha(0.6f);
        updateInformationView.setTypeface(null, Typeface.BOLD);
    } else {
        lineStatsLayout.setAlpha(1f);
        lastDisturbanceView.setAlpha(1f);
        usersOnlineView.setAlpha(1f);
        updateInformationView.setTypeface(null, Typeface.NORMAL);
    }
    updateInformationView.setText(String.format(getString(R.string.frag_stats_updated), DateUtils.getRelativeTimeSpanString(context, stats.updated.getTime(), true)));
}

Example 9 with Line

use of im.tny.segvault.subway.Line in project underlx by underlx.

the class TripFragment method populatePathView.

public static void populatePathView(final Context context, final LayoutInflater inflater, final Path path, ViewGroup root, boolean showInfoIcons) {
    root.removeAllViews();
    List<Connection> el = path.getEdgeList();
    final int stepviewPadding = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 16, context.getResources().getDisplayMetrics());
    if (el.size() == 0) {
        View stepview = inflater.inflate(R.layout.path_station, root, false);
        FrameLayout prevLineStripeLayout = (FrameLayout) stepview.findViewById(R.id.prev_line_stripe_layout);
        FrameLayout nextLineStripeLayout = (FrameLayout) stepview.findViewById(R.id.next_line_stripe_layout);
        prevLineStripeLayout.setVisibility(View.GONE);
        nextLineStripeLayout.setVisibility(View.GONE);
        TextView timeView = (TextView) stepview.findViewById(R.id.time_view);
        if (path.getManualEntry(0)) {
            timeView.setVisibility(View.INVISIBLE);
        } else {
            timeView.setText(DateUtils.formatDateTime(context, path.getEntryTime(0).getTime(), DateUtils.FORMAT_SHOW_TIME));
        }
        final Station station = path.getStartVertex().getStation();
        stepview.setOnClickListener(new View.OnClickListener() {

            @Override
            public void onClick(View view) {
                Intent intent = new Intent(context, StationActivity.class);
                intent.putExtra(StationActivity.EXTRA_STATION_ID, station.getId());
                intent.putExtra(StationActivity.EXTRA_NETWORK_ID, station.getNetwork().getId());
                context.startActivity(intent);
            }
        });
        RouteFragment.populateStationView(context, station, stepview, showInfoIcons, false);
        stepview.setPadding(stepviewPadding, 0, stepviewPadding, 0);
        root.addView(stepview);
        return;
    }
    boolean isFirst = true;
    Connection c = el.get(0);
    int i = 0;
    for (; i < el.size(); i++) {
        c = el.get(i);
        if (i == 0 && c instanceof Transfer) {
            // starting with a line change? ignore
            continue;
        }
        View stepview = inflater.inflate(R.layout.path_station, root, false);
        FrameLayout prevLineStripeLayout = (FrameLayout) stepview.findViewById(R.id.prev_line_stripe_layout);
        FrameLayout nextLineStripeLayout = (FrameLayout) stepview.findViewById(R.id.next_line_stripe_layout);
        if (isFirst) {
            Line line = c.getSource().getLine();
            int lineColor = line.getColor();
            prevLineStripeLayout.setVisibility(View.GONE);
            nextLineStripeLayout.setBackgroundColor(lineColor);
            TextView timeView = (TextView) stepview.findViewById(R.id.time_view);
            if (path.getManualEntry(i)) {
                timeView.setVisibility(View.INVISIBLE);
            } else {
                timeView.setText(DateUtils.formatDateTime(context, path.getEntryTime(i).getTime(), DateUtils.FORMAT_SHOW_TIME));
            }
            isFirst = false;
        } else {
            Line targetLine = c.getTarget().getLine();
            int prevLineColor = c.getSource().getLine().getColor();
            int nextLineColor = targetLine.getColor();
            prevLineStripeLayout.setBackgroundColor(prevLineColor);
            nextLineStripeLayout.setBackgroundColor(nextLineColor);
            TextView timeView = (TextView) stepview.findViewById(R.id.time_view);
            // start of the path was extended with the first step getting replaced by a transfer
            if (path.getManualEntry(i) && !(c instanceof Transfer && !path.getManualEntry(i + 1))) {
                timeView.setVisibility(View.INVISIBLE);
            } else {
                timeView.setText(DateUtils.formatDateTime(context, path.getEntryTime(i).getTime(), DateUtils.FORMAT_SHOW_TIME));
            }
        }
        final Station station = c.getSource().getStation();
        stepview.setOnClickListener(new View.OnClickListener() {

            @Override
            public void onClick(View view) {
                Intent intent = new Intent(context, StationActivity.class);
                intent.putExtra(StationActivity.EXTRA_STATION_ID, station.getId());
                intent.putExtra(StationActivity.EXTRA_NETWORK_ID, station.getNetwork().getId());
                context.startActivity(intent);
            }
        });
        RouteFragment.populateStationView(context, station, stepview, showInfoIcons, false);
        ImageView crossView = (ImageView) stepview.findViewById(R.id.station_cross_image);
        if (c.getSource().getStation().isAlwaysClosed()) {
            crossView.setVisibility(View.VISIBLE);
        }
        stepview.setPadding(stepviewPadding, 0, stepviewPadding, 0);
        root.addView(stepview);
        if (c instanceof Transfer && i != el.size() - 1) {
            c = el.get(++i);
        }
    }
    View stepview = inflater.inflate(R.layout.path_station, root, false);
    int lineColor = c.getSource().getLine().getColor();
    FrameLayout prevLineStripeLayout = (FrameLayout) stepview.findViewById(R.id.prev_line_stripe_layout);
    FrameLayout nextLineStripeLayout = (FrameLayout) stepview.findViewById(R.id.next_line_stripe_layout);
    prevLineStripeLayout.setBackgroundColor(lineColor);
    nextLineStripeLayout.setVisibility(View.GONE);
    TextView timeView = (TextView) stepview.findViewById(R.id.time_view);
    if (path.getManualEntry(i)) {
        timeView.setVisibility(View.INVISIBLE);
    } else {
        timeView.setText(DateUtils.formatDateTime(context, path.getEntryTime(i).getTime(), DateUtils.FORMAT_SHOW_TIME));
    }
    ImageView crossView = (ImageView) stepview.findViewById(R.id.station_cross_image);
    if (c.getTarget().getStation().isAlwaysClosed()) {
        crossView.setVisibility(View.VISIBLE);
    }
    final Station station = c.getTarget().getStation();
    stepview.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View view) {
            Intent intent = new Intent(context, StationActivity.class);
            intent.putExtra(StationActivity.EXTRA_STATION_ID, station.getId());
            intent.putExtra(StationActivity.EXTRA_NETWORK_ID, station.getNetwork().getId());
            context.startActivity(intent);
        }
    });
    RouteFragment.populateStationView(context, station, stepview, showInfoIcons, false);
    stepview.setPadding(stepviewPadding, 0, stepviewPadding, 0);
    root.addView(stepview);
}

Example 10 with Line

use of im.tny.segvault.subway.Line in project underlx by underlx.

the class LineStatusCache method readLineStatus.

private HashMap<String, Status> readLineStatus() {
    HashMap<String, Status> info;
    try {
        FileInputStream fis = new FileInputStream(new File(context.getCacheDir(), LINE_STATUS_CACHE_FILENAME));
        ObjectInputStream is = new ObjectInputStream(fis);
        info = (HashMap) is.readObject();
        is.close();
        fis.close();
        Map<String, Line> lines = new HashMap<>();
        for (Line l : mainService.getAllLines()) {
            lines.put(l.getId(), l);
        }
        for (Status s : info.values()) {
            if (!(s instanceof Status)) {
                throw new Exception();
            }
            s.line = lines.get(s.id);
        }
    } catch (Exception e) {
        // caching is best-effort
        return null;
    }
    return info;
}