:warning: This document is aim for older versions (from 2.3.0 to 2.5.3). Document for new version is https://github.com/mapsplugin/cordova-plugin-googlemaps-doc/blob/master/v2.6.0/README.md

polygon.setZIndex()

Change the order in which this polygon overlay is drawn with respect to other overlays (including GroundOverlays, TileOverlays, Polylines, and Circles but not Markers).

polygon.setZIndex(index);

Parameters

name	type	description
index	number	z-index (default: 0)

---

Demo code

<div id="map_canvas">
  <span class="smallPanel"><button>Reverse the zIndex orders</button></span>
</div>

var path1 = [
  {"lat":32.682542,"lng":6.965338},{"lat":-18.715622,"lng":-16.940925},
  {"lat":-20.810888,"lng":12.121579},{"lat":-38.69694,"lng":-2.995607}
];
var path2 = [
  {"lat":20.124723,"lng":-47.878427},{"lat":-36.090536,"lng":-35.456546},
  {"lat":-23.631102,"lng":22.785649},{"lat":14.760725,"lng":33.684091},
  {"lat":-10.790138,"lng":-22.448735}
];
var path3 = [
  {"lat":24.460485,"lng":2.160642},{"lat":14.19339,"lng":-27.956545},
  {"lat":-37.311922,"lng":24.074706}
];

var mapDiv = document.getElementById("map_canvas");

// Create a map with specified camera bounds
var map = plugin.google.maps.Map.getMap(mapDiv);

var colors = ["green", "blue", "yellow"];
var pathArray = [path2, path3, path1];
var polygons = pathArray.map(function(path, idx) {

  // Create polygons
  return map.addPolygon({
    points: path,
    fillColor: colors[idx],
    strokeWidth: 7,
    zIndex: idx
  });
});

// Change the polygon zIndex orders.
var button = document.getElementsByTagName("button")[0];
button.addEventListener("click", function() {

  polygons = polygons.reverse();
  polygons.forEach(function(polygon, idx) {
    polygon.setZIndex(idx);
  });

});