public static GoogleMapConfig.Builder getBuilder(Context context) {
    int width = context.getResources().getDisplayMetrics().widthPixels;
    int height = context.getResources().getDisplayMetrics().heightPixels;
    int mapRouteWidth = context.getResources().getDimensionPixelSize(R.dimen.map_route_width);
    GoogleMapConfig.TripOptions tripOptions = GoogleMapConfig.newTripOptions()
            .tripDestinationMarker(new MarkerOptions()
                    .anchor(0.5f, 0.5f)
                    .icon(BitmapDescriptorFactory.fromResource(R.drawable.ic_destination_marker)))
            .tripPassedRoutePolyline(null)
            .tripComingRoutePolyline(new PolylineOptions()
                    .width(mapRouteWidth)
                    .color(Color.BLACK)
                    .pattern(Collections.<PatternItem>singletonList(new Dash(mapRouteWidth))));
    return GoogleMapConfig.newBuilder(context)
            .tripOptions(tripOptions)
            .boundingBoxDimensions(width, height / 3);
}
 

/**
 * Convert the list of latitude and longitude to the polyline options.
 *
 * @param context         A context.
 * @param locationList    A list of latitude and longitude.
 * @param width           Width of the polyline in screen pixels.
 * @param color           Color of the polyline as a 32-bit ARGB color.
 * @param clickable       Is polyline clickable.
 * @param patternItemList Stroke pattern for the polyline.
 * @return Options for a polyline.
 * @since 1.2.0
 */
public static PolylineOptions createPolyline(
        @NonNull Context context,
        @Nullable ArrayList<LatLng> locationList,
        @Dimension(unit = Dimension.DP) int width,
        @ColorInt int color,
        boolean clickable,
        @Nullable List<PatternItem> patternItemList
) {
    return createPolyline(
            context,
            locationList,
            width,
            color,
            clickable,
            JointType.DEFAULT,
            null,
            null,
            patternItemList
    );
}
 

/**
 * Convert the list of latitude and longitude to the polyline options in transit mode.
 *
 * @param context                A context.
 * @param stepList               A list of latitude and longitude for the steps.
 * @param transitWidth           Width of the polyline in screen pixels for transit polyline.
 * @param transitColor           Color of the polyline as a 32-bit ARGB color for transit polyline.
 * @param transitPatternItemList Stroke pattern for the polyline for transit polyline.
 * @param walkingWidth           Width of the polyline in screen pixels for walking polyline.
 * @param walkingColor           Color of the polyline as a 32-bit ARGB color for walking polyline.
 * @param walkingPatternItemList Stroke pattern for the polyline for walking polyline.
 * @return Options for a polyline.
 * @since 1.2.0
 */
public static ArrayList<PolylineOptions> createTransitPolyline(
        @NonNull Context context,
        @Nullable List<Step> stepList,
        @Dimension(unit = Dimension.DP) int transitWidth,
        @Nullable List<PatternItem> transitPatternItemList,
        @ColorInt int transitColor,
        @Dimension(unit = Dimension.DP) int walkingWidth,
        @ColorInt int walkingColor,
        @Nullable List<PatternItem> walkingPatternItemList) {
    return createTransitPolyline(
            context,
            stepList,
            transitWidth,
            transitColor,
            transitPatternItemList,
            walkingWidth,
            walkingColor,
            walkingPatternItemList,
            true,
            JointType.DEFAULT,
            null,
            null
    );
}
 

@Override
public void onMapReady(GoogleMap googleMap) {
    this.map = googleMap;
    curveManager = new CurveManager(map);

    ArrayList<LatLng> latLngArrayList = new ArrayList<>();
    latLngArrayList.add(new LatLng(12.30548451, 76.65521267));
    latLngArrayList.add(new LatLng(19.81516491, 85.83133625));
    latLngArrayList.add(new LatLng(26.9124336, 75.7872709));
    latLngArrayList.add(new LatLng(28.596111, 83.820278));

    CurveOptions curveOptions = new CurveOptions();
    curveOptions.addAll(latLngArrayList);
    curveOptions.color(Color.DKGRAY);
    curveOptions.setComputePointsBasedOnScreenPixels(false);
    curveOptions.setAlpha(0.5f);
    curveOptions.width(10);
    List<PatternItem> pattern = Arrays.asList(new Dash(30), new Gap(20));
    curveOptions.pattern(pattern);
    curveOptions.geodesic(false);

    for (LatLng position : latLngArrayList) {
        new MarkerOptions().position(position);
        map.addMarker(new MarkerOptions().position(position));
    }
    map.animateCamera(CameraUpdateFactory.newLatLngZoom(new LatLng(21.146633, 79.088860), 5));

    curveManager.drawCurveAsync(curveOptions);
}
 

@Override
public void onMapReady(GoogleMap googleMap) {
    this.map = googleMap;
    curveManager = new CurveManager(map);

    CurveOptions curveOptions = new CurveOptions();
    curveOptions.add(sourceLatLng);
    curveOptions.add(destinationLatLng);
    curveOptions.color(Color.DKGRAY);
    curveOptions.setComputePointsBasedOnScreenPixels(true);
    curveOptions.setAlpha(0.5f);
    curveOptions.width(12);
    List<PatternItem> pattern = Arrays.asList(new Dash(30), new Gap(30));
    curveOptions.pattern(pattern);
    curveOptions.geodesic(false);

    map.addMarker(new MarkerOptions()
            .position(sourceLatLng)
            .anchor(0.5f, 1f));
    map.addMarker(new MarkerOptions()
            .position(destinationLatLng)
            .icon(BitmapDescriptorFactory.defaultMarker(BitmapDescriptorFactory.HUE_GREEN))
            .anchor(0.5f, 1f));

    map.moveCamera(CameraUpdateFactory.newLatLngZoom(new LatLng(56.14683221, 10.2079815), 14));
    curveManager.drawCurveAsync(curveOptions);
}
 

/**
 * Convert the list of latitude and longitude to the polyline options.
 *
 * @param context         A context.
 * @param locationList    A list of latitude and longitude.
 * @param width           Width of the polyline in screen pixels.
 * @param color           Color of the polyline as a 32-bit ARGB color.
 * @param clickable       Is polyline clickable.
 * @param jointType       Joint type for all vertices of the polyline except the start and end vertices.
 * @param startCap        Cap at the start vertex of the polyline.
 * @param endCap          Cap at the end vertex of the polyline.
 * @param patternItemList Stroke pattern for the polyline.
 * @return Options for a polyline.
 * @since 1.2.0
 */
public static PolylineOptions createPolyline(
        @NonNull Context context,
        @Nullable ArrayList<LatLng> locationList,
        @Dimension(unit = Dimension.DP) int width,
        @ColorInt int color,
        boolean clickable,
        int jointType,
        @Nullable Cap startCap,
        @Nullable Cap endCap,
        @Nullable List<PatternItem> patternItemList) {
    PolylineOptions rectLine = new PolylineOptions().width(dpToPx(context, width)).color(color).geodesic(true);
    rectLine.clickable(clickable);
    rectLine.jointType(jointType);
    if (patternItemList != null) {
        rectLine.pattern(patternItemList);
    }
    if (startCap != null) {
        rectLine.startCap(startCap);
    }
    if (endCap != null) {
        rectLine.endCap(endCap);
    }
    if (locationList != null && locationList.size() > 0) {
        for (LatLng location : locationList) {
            rectLine.add(location);
        }
    }
    return rectLine;
}
 

/**
 * Styles the polygon, based on type.
 * @param polygon The polygon object that needs styling.
 */
private void stylePolygon(Polygon polygon) {
    String type = "";
    // Get the data object stored with the polygon.
    if (polygon.getTag() != null) {
        type = polygon.getTag().toString();
    }

    List<PatternItem> pattern = null;
    int strokeColor = COLOR_BLACK_ARGB;
    int fillColor = COLOR_WHITE_ARGB;

    switch (type) {
        // If no type is given, allow the API to use the default.
        case "alpha":
            // Apply a stroke pattern to render a dashed line, and define colors.
            pattern = PATTERN_POLYGON_ALPHA;
            strokeColor = COLOR_GREEN_ARGB;
            fillColor = COLOR_PURPLE_ARGB;
            break;
        case "beta":
            // Apply a stroke pattern to render a line of dots and dashes, and define colors.
            pattern = PATTERN_POLYGON_BETA;
            strokeColor = COLOR_ORANGE_ARGB;
            fillColor = COLOR_BLUE_ARGB;
            break;
    }

    polygon.setStrokePattern(pattern);
    polygon.setStrokeWidth(POLYGON_STROKE_WIDTH_PX);
    polygon.setStrokeColor(strokeColor);
    polygon.setFillColor(fillColor);
}
 

private List<PatternItem> getSelectedPattern(int pos) {
    switch (PATTERN_TYPE_NAME_RESOURCE_IDS[pos]) {
        case R.string.pattern_solid:
            return null;
        case R.string.pattern_dotted:
            return PATTERN_DOTTED;
        case R.string.pattern_dashed:
            return PATTERN_DASHED;
        case R.string.pattern_mixed:
            return PATTERN_MIXED;
        default:
            return null;
    }
}
 

private List<PatternItem> getSelectedPattern(int pos) {
    switch (PATTERN_TYPE_NAME_RESOURCE_IDS[pos]) {
        case R.string.pattern_solid:
            return null;
        case R.string.pattern_dotted:
            return PATTERN_DOTTED;
        case R.string.pattern_dashed:
            return PATTERN_DASHED;
        case R.string.pattern_mixed:
            return PATTERN_MIXED;
        default:
            return null;
    }
}
 

private List<PatternItem> getSelectedPattern(int pos) {
    switch (PATTERN_TYPE_NAME_RESOURCE_IDS[pos]) {
        case R.string.pattern_solid:
            return null;
        case R.string.pattern_dotted:
            return PATTERN_DOTTED;
        case R.string.pattern_dashed:
            return PATTERN_DASHED;
        case R.string.pattern_mixed:
            return PATTERN_MIXED;
        default:
            return null;
    }
}
 

@Test
public void testStrokePattern() {
    List<PatternItem> strokePatternItems = new ArrayList<>();
    strokePatternItems.add(new Dot());

    polygonStyle.setStrokePattern(strokePatternItems);
    assertEquals(strokePatternItems, polygonStyle.getStrokePattern());
    assertEquals(strokePatternItems, polygonStyle.toPolygonOptions().getStrokePattern());
}
 

private void drawCurveLine() {
    String sourceLatitude = latitudeInputOneEditText.getText().toString().trim();
    String sourceLongitude = longitudeInputOneEditText.getText().toString().trim();
    String destLatitude = latitudeInputTwoEditText.getText().toString().trim();
    String destLongitude = longitudeInputTwoEditText.getText().toString().trim();
    String alpha = alphaEditText.getText().toString().trim();
    if (sourceLatitude.equals("") || sourceLongitude.equals("")
            || destLatitude.equals("") || destLongitude.equals("") || alpha.equals("")) {
        return;
    }

    LatLng initLatLng = new LatLng(Double.valueOf(sourceLatitude), Double.valueOf(sourceLongitude));
    LatLng finalLatLng = new LatLng(Double.valueOf(destLatitude), Double.valueOf(destLongitude));
    CurveOptions curveOptions = new CurveOptions();
    curveOptions.add(initLatLng);
    curveOptions.add(finalLatLng);
    curveOptions.clickable(true);
    curveOptions.setComputePointsBasedOnScreenPixels(checkBox.isChecked());
    curveOptions.setZoomToPosition(true);
    curveOptions.setAlpha(Float.valueOf(alpha));
    curveOptions.width(12);
    List<PatternItem> pattern = Arrays.asList(new Dash(30), new Gap(25));
    curveOptions.pattern(pattern);
    curveOptions.geodesic(false);
    if (checkBox.isChecked()) {
        curveOptions.color(getResources().getColor(R.color.red_500));
    } else {
        curveOptions.color(getResources().getColor(R.color.indigo_a700));
    }

    LatLngBounds.Builder builder = new LatLngBounds.Builder();
    builder.include(initLatLng);
    builder.include(finalLatLng);
    LatLngBounds bounds = builder.build();
    map.moveCamera(CameraUpdateFactory.newLatLngBounds(bounds, 20));

    if (curveManager != null) {
        curveManager.drawCurveAsync(curveOptions);
    }

    map.addMarker(new MarkerOptions().position(initLatLng).anchor(0.5f, 1f));
    map.addMarker(new MarkerOptions().position(finalLatLng)
            .icon(BitmapDescriptorFactory.defaultMarker(BitmapDescriptorFactory.HUE_GREEN))
            .anchor(0.5f, 1f));
}
 

@Override
public List<PatternItem> getPattern() {
    return polyline.getPattern();
}
 

@Override
public void setPattern(List<PatternItem> pattern) {
    polyline.setPattern(pattern);
}
 

public List<PatternItem> getPattern() {
    return real.getPattern();
}
 

/**
 * Convert the list of latitude and longitude to the polyline options in transit mode.
 *
 * @param context                A context.
 * @param stepList               A list of latitude and longitude for the steps.
 * @param transitWidth           Width of the polyline in screen pixels for transit polyline.
 * @param transitColor           Color of the polyline as a 32-bit ARGB color for transit polyline.
 * @param transitPatternItemList Stroke pattern for the polyline for transit polyline.
 * @param walkingWidth           Width of the polyline in screen pixels for walking polyline.
 * @param walkingColor           Color of the polyline as a 32-bit ARGB color for walking polyline.
 * @param walkingPatternItemList Stroke pattern for the polyline for walking polyline.
 * @param clickable              Is polyline clickable.
 * @param jointType              Joint type for all vertices of the polyline except the start and end vertices.
 * @param startCap               Cap at the start vertex of the polyline.
 * @param endCap                 Cap at the end vertex of the polyline.
 * @return Options for a polyline.
 * @since 1.2.0
 */
public static ArrayList<PolylineOptions> createTransitPolyline(
        @NonNull Context context,
        @Nullable List<Step> stepList,
        @Dimension(unit = Dimension.DP) int transitWidth,
        @ColorInt int transitColor,
        @Nullable List<PatternItem> transitPatternItemList,
        @Dimension(unit = Dimension.DP) int walkingWidth,
        @ColorInt int walkingColor,
        @Nullable List<PatternItem> walkingPatternItemList,
        boolean clickable,
        int jointType,
        @Nullable Cap startCap,
        @Nullable Cap endCap
) {
    ArrayList<PolylineOptions> polylineOptionsList = new ArrayList<>();
    if (stepList != null && stepList.size() > 0) {
        for (Step step : stepList) {
            ArrayList<LatLng> directionPointList = new ArrayList<>();
            convertStepToPosition(step, directionPointList);
            if (step.isContainStepList()) {
                polylineOptionsList.add(createPolyline(
                        context,
                        directionPointList,
                        walkingWidth,
                        walkingColor,
                        clickable,
                        jointType,
                        startCap,
                        endCap,
                        walkingPatternItemList
                ));
            } else {
                polylineOptionsList.add(createPolyline(
                        context,
                        directionPointList,
                        transitWidth,
                        transitColor,
                        clickable,
                        jointType,
                        startCap,
                        endCap,
                        transitPatternItemList
                ));
            }
        }
    }
    return polylineOptionsList;
}
 

public List<PatternItem> getPatternItemList() {
    return patternItemList;
}
 

public PathOption setPatternItemList(List<PatternItem> patternItemList) {
    this.patternItemList = patternItemList;
    return this;
}
 

@Nullable
public List<PatternItem> getTransitPatternItemList() {
    return transitPatternItemList;
}
 

public TransitPathOption setTransitPatternItemList(@Nullable List<PatternItem> transitPatternItemList) {
    this.transitPatternItemList = transitPatternItemList;
    return this;
}
 

@Nullable
public List<PatternItem> getWalkingPatternItemList() {
    return walkingPatternItemList;
}
 

public TransitPathOption setWalkingPatternItemList(@Nullable List<PatternItem> walkingPatternItemList) {
    this.walkingPatternItemList = walkingPatternItemList;
    return this;
}
 

public void setStrokePattern(List<PatternItem> pattern) {
    circle.setStrokePattern(pattern);
}
 

/**
 * Gets the pattern of the GeoJsonLineString
 *
 * @return line style of GeoJsonLineString
 */
public List<PatternItem> getPattern() {
    return mPolylineOptions.getPattern();
}
 

/**
 * Sets the pattern of the GeoJsonLineString
 *
 * @param pattern line style of GeoJsonLineString
 */
public void setPattern(List<PatternItem> pattern) {
    mPolylineOptions.pattern(pattern);
    styleChanged();
}
 

/**
 * Gets the stroke pattern of the GeoJsonPolygon as a list of pattern items
 *
 * @return stroke pattern of the GeoJsonPolygon
 */
public List<PatternItem> getStrokePattern() {
    return mPolygonOptions.getStrokePattern();
}
 

/**
 * Sets the stroke pattern of the GeoJsonPolygon as a list of pattern items
 *
 * @param strokePattern stroke pattern value of the GeoJsonPolygon
 */
public void setStrokePattern(List<PatternItem> strokePattern) {
    mPolygonOptions.strokePattern(strokePattern);
    styleChanged();
}
 

List<PatternItem> getPattern(); 

void setPattern(List<PatternItem> pattern);