@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);
}
 

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));
}