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react-native-mapbox-gl/android/API.md
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# Android API Docs
## Options
| Option | Type | Opt/Required | Default | Note |
|---|---|---|---|---|
| `accessToken` | `string` | Required | NA |Mapbox access token. Sign up for a [Mapbox account here](https://www.mapbox.com/signup).
| `centerCoordinate` | `object` | Optional | `0,0`| Initial `latitude`/`longitude` the map will load at, defaults to `0,0`.
| `zoomLevel` | `double` | Optional | `0` | Initial zoom level the map will load at. 0 is the entire world, 18 is rooftop level. Defaults to 0.
| `rotateEnabled` | `bool` | Optional | `true` | Whether the map can rotate |
| `scrollEnabled` | `bool` | Optional | `true` | Whether the map can be scrolled |
| `zoomEnabled` | `bool` | Optional | `true` | Whether the map zoom level can be changed |
|`showsUserLocation` | `bool` | Optional | `false` | Whether the user's location is shown on the map. Note - the map will not zoom to their location.|
| `styleURL` | `string` | Optional | Mapbox Streets | A Mapbox GL style sheet. Defaults to `streets-v8`.
| `annotations` | `array` | Optional | NA | An array of annotation objects. See [annotation detail](https://github.com/bsudekum/react-native-mapbox-gl/blob/master/android/API.md#annotations)
| `direction` | `double` | Optional | `0` | Heading of the map in degrees where 0 is north and 180 is south |
| `debugActive` | `bool` | Optional | `false` | Turns on debug mode. |
| `style` | flexbox `view` | Optional | NA | Styles the actual map view container |
## Events
| Event Name | Returns | Notes
|---|---|---|
| `onRegionChange` | `{latitude: 0, longitude: 0, zoom: 0}` | Fired when the map is panning or zooming.
## Methods for Modifying the Map State
_Not yet implemented_
## GL Styles
You can change the `styleURL` to any valid GL stylesheet, here are a few:
* `asset://styles/dark-v8.json`
* `asset://styles/light-v8.json`
* `asset://styles/emerald-v8.json`
* `asset://styles/streets-v8.json`
* `asset://styles/satellite-v8.json`
## Annotations
```json
[{
"coordinates": "required. For type polyline and polygon must be an array of arrays. For type point, single array",
"type": "required: point, polyline or polygon",
"title": "optional string",
"subtitle": "optional string",
"fillAlpha": "optional, only used for type=polygon. Controls the opacity of polygon",
"fillColor": "optional string hex color including #, only used for type=polygon*",
"strokeAlpha": "optional number from 0-1. Only used for type=poyline. Controls opacity of line",
"strokeColor": "optional string hex color including #, used for type=polygon and type=polyline*",
"strokeWidth": "optional number. Only used for type=poyline. Controls line width",
"id": "optional string, unique identifier.",
}]
```
_*[Valid colors can be seen here](http://developer.android.com/reference/android/graphics/Color.html#parseColor%28java.lang.String%29)_
**For adding local images via `image!yourImage.png` see [adding static resources to your app using Images.xcassets docs](https://facebook.github.io/react-native/docs/image.html#adding-static-resources-to-your-app-using-images-xcassets)**.
#### Example
```json
annotations: [{
"coordinates": [40.72052634, -73.97686958312988],
"type": "point",
"title": "This is marker 1",
"subtitle": "It has a rightCalloutAccessory too",
}, {
"coordinates": [40.714541341726175,-74.00579452514648],
"type": "point",
"title": "Important",
"subtitle": "Neat, this is a custom annotation image",
}, {
"coordinates": [[40.76572150042782,-73.99429321289062],[40.743485405490695, -74.00218963623047],[40.728266950429735,-74.00218963623047],[40.728266950429735,-73.99154663085938],[40.73633186448861,-73.98983001708984],[40.74465591168391,-73.98914337158203],[40.749337730454826,-73.9870834350586]],
"type": "polyline",
"strokeColor": "#00FB00",
"strokeWidth": 3,
"strokeAlpha": 0.5
}, {
"coordinates": [[40.749857912194386, -73.96820068359375], [40.741924698522055,-73.9735221862793], [40.735681504432264,-73.97523880004883], [40.7315190495212,-73.97438049316406], [40.729177554196376,-73.97180557250975], [40.72345355209305,-73.97438049316406], [40.719290332250544,-73.97455215454102], [40.71369559554873,-73.97729873657227], [40.71200407096382,-73.97850036621094], [40.71031250340588,-73.98691177368163], [40.71031250340588,-73.99154663085938]],
"type": "polygon",
"fillAlpha":1,
"fillColor": "#C32C2C",
"strokeColor": "#DDDDD"
}]
```