public Template onGetTemplate()

in car_app_library/navigation/common/src/main/java/androidx/car/app/sample/navigation/common/car/NavigationScreen.java [132:268]
124 lines of code
13 McCabe index (conditional complexity)

    public Template onGetTemplate() {
        mSurfaceRenderer.updateMarkerVisibility(
                /* showMarkers=*/ false, /* numMarkers=*/ 0, /* activeMarker=*/ -1);

        NavigationTemplate.Builder builder = new NavigationTemplate.Builder();
        builder.setBackgroundColor(CarColor.SECONDARY);

        // Set the action strip.
        ActionStrip.Builder actionStripBuilder = new ActionStrip.Builder();
        actionStripBuilder.addAction(mSettingsAction);
        if (mIsNavigating) {
            actionStripBuilder.addAction(
                    new Action.Builder()
                            .setTitle("Stop")
                            .setOnClickListener(this::stopNavigation)
                            .build());
        } else {
            actionStripBuilder.addAction(
                    new Action.Builder()
                            .setIcon(
                                    new CarIcon.Builder(
                                            IconCompat.createWithResource(
                                                    getCarContext(),
                                                    R.drawable.ic_search_black36dp))
                                            .build())
                            .setOnClickListener(this::openSearch)
                            .build());
            actionStripBuilder.addAction(
                    new Action.Builder()
                            .setTitle("Favorites")
                            .setOnClickListener(this::openFavorites)
                            .build());
        }
        builder.setActionStrip(actionStripBuilder.build());

        // Set the map action strip with the pan and zoom buttons.
        CarIcon.Builder panIconBuilder = new CarIcon.Builder(
                IconCompat.createWithResource(
                        getCarContext(),
                        R.drawable.ic_pan_24));
        if (mIsInPanMode) {
            panIconBuilder.setTint(CarColor.BLUE);
        }

        builder.setMapActionStrip(new ActionStrip.Builder()
                .addAction(new Action.Builder(Action.PAN)
                        .setIcon(panIconBuilder.build())
                        .build())
                .addAction(
                        new Action.Builder()
                                .setIcon(
                                        new CarIcon.Builder(
                                                IconCompat.createWithResource(
                                                        getCarContext(),
                                                        R.drawable.ic_recenter_24))
                                                .build())
                                .setOnClickListener(
                                        () -> mSurfaceRenderer.handleRecenter())
                                .build())
                .addAction(
                        new Action.Builder()
                                .setIcon(
                                        new CarIcon.Builder(
                                                IconCompat.createWithResource(
                                                        getCarContext(),
                                                        R.drawable.ic_zoom_out_24))
                                                .build())
                                .setOnClickListener(
                                        () -> mSurfaceRenderer.handleScale(INVALID_FOCAL_POINT_VAL,
                                                INVALID_FOCAL_POINT_VAL,
                                                ZOOM_OUT_BUTTON_SCALE_FACTOR))
                                .build())
                .addAction(
                        new Action.Builder()
                                .setIcon(
                                        new CarIcon.Builder(
                                                IconCompat.createWithResource(
                                                        getCarContext(),
                                                        R.drawable.ic_zoom_in_24))
                                                .build())
                                .setOnClickListener(
                                        () -> mSurfaceRenderer.handleScale(INVALID_FOCAL_POINT_VAL,
                                                INVALID_FOCAL_POINT_VAL,
                                                ZOOM_IN_BUTTON_SCALE_FACTOR))
                                .build())
                .build());

        // When the user enters the pan mode, remind the user that they can exit the pan mode by
        // pressing the select button again.
        builder.setPanModeListener(isInPanMode -> {
            if (isInPanMode) {
                CarToast.makeText(getCarContext(),
                        "Press Select to exit the pan mode",
                        CarToast.LENGTH_LONG).show();
            }
            mIsInPanMode = isInPanMode;
            invalidate();
        });

        if (mIsNavigating) {
            if (mDestinationTravelEstimate != null) {
                builder.setDestinationTravelEstimate(mDestinationTravelEstimate);
            }

            if (isRerouting()) {
                builder.setNavigationInfo(new RoutingInfo.Builder().setLoading(true).build());
            } else if (mHasArrived) {

                MessageInfo messageInfo = new MessageInfo.Builder(
                        getCarContext().getString(R.string.navigation_arrived)).build();
                builder.setNavigationInfo(messageInfo);
            } else {
                RoutingInfo.Builder info = new RoutingInfo.Builder();
                Step tmp = mSteps.get(0);
                Step.Builder currentStep =
                        new Step.Builder(tmp.getCue().toCharSequence())
                                .setManeuver(tmp.getManeuver())
                                .setRoad(tmp.getRoad().toCharSequence());
                if (mShouldShowLanes) {
                    for (Lane lane : tmp.getLanes()) {
                        currentStep.addLane(lane);
                    }
                    currentStep.setLanesImage(tmp.getLanesImage());
                }
                info.setCurrentStep(currentStep.build(), mStepRemainingDistance);
                if (mShouldShowNextStep && mSteps.size() > 1) {
                    info.setNextStep(mSteps.get(1));
                }
                if (mJunctionImage != null) {
                    info.setJunctionImage(mJunctionImage);
                }
                builder.setNavigationInfo(info.build());
            }
        }

        return builder.build();
    }