Android JSON样式不更改MapView的样式
我正在尝试使用自定义JSON代码为我的android应用程序设计地图视图，但为什么地图样式a的代码不起作用？而地图样式B的代码却起作用？该代码是从网站复制的，并以字符串形式使用，只需轻按Android JSON样式不更改MapView的样式,android,json,google-maps,android-maps-v2,Android,Json,Google Maps,Android Maps V2,我正在尝试使用自定义JSON代码为我的android应用程序设计地图视图，但为什么地图样式a的代码不起作用？而地图样式B的代码却起作用？该代码是从网站复制的，并以字符串形式使用，只需轻按开关，即可更改地图视图样式 地图样式A [ { "elementType": "geometry", "stylers": [ { "color": "#212121" } ] }, { "elementType": "label
开关地图视图[
{
"elementType": "geometry",
"stylers": [
{
"color": "#212121"
}
]
},
{
"elementType": "labels.icon",
"stylers": [
{
"visibility": "off"
}
]
},
{
"elementType": "labels.text.fill",
"stylers": [
{
"color": "#757575"
}
]
},
{
"elementType": "labels.text.stroke",
"stylers": [
{
"color": "#212121"
}
]
},
{
"featureType": "administrative",
"stylers": [
{
"visibility": "on"
}
]
},
{
"featureType": "administrative",
"elementType": "geometry",
"stylers": [
{
"color": "#757575"
}
]
},
{
"featureType": "administrative.country",
"elementType": "labels.text.fill",
"stylers": [
{
"color": "#9e9e9e"
}
]
},
{
"featureType": "administrative.land_parcel",
"stylers": [
{
"visibility": "off"
}
]
},
{
"featureType": "administrative.locality",
"elementType": "labels.text.fill",
"stylers": [
{
"color": "#bdbdbd"
}
]
},
{
"featureType": "poi",
"stylers": [
{
"visibility": "on"
}
]
},
{
"featureType": "poi",
"elementType": "labels.text.fill",
"stylers": [
{
"color": "#757575"
}
]
},
{
"featureType": "poi.park",
"elementType": "geometry",
"stylers": [
{
"color": "#181818"
}
]
},
{
"featureType": "poi.park",
"elementType": "labels.text.fill",
"stylers": [
{
"color": "#616161"
}
]
},
{
"featureType": "poi.park",
"elementType": "labels.text.stroke",
"stylers": [
{
"color": "#1b1b1b"
}
]
},
{
"featureType": "road",
"elementType": "geometry.fill",
"stylers": [
{
"color": "#2c2c2c"
}
]
},
{
"featureType": "road",
"elementType": "labels.text.fill",
"stylers": [
{
"color": "#8a8a8a"
}
]
},
{
"featureType": "road.arterial",
"elementType": "geometry",
"stylers": [
{
"color": "#373737"
}
]
},
{
"featureType": "road.highway",
"elementType": "geometry",
"stylers": [
{
"color": "#3c3c3c"
}
]
},
{
"featureType": "road.highway.controlled_access",
"elementType": "geometry",
"stylers": [
{
"color": "#4e4e4e"
}
]
},
{
"featureType": "road.local",
"elementType": "labels.text.fill",
"stylers": [
{
"color": "#616161"
}
]
},
{
"featureType": "transit",
"stylers": [
{
"visibility": "on"
}
]
},
{
"featureType": "transit",
"elementType": "labels.text.fill",
"stylers": [
{
"color": "#757575"
}
]
},
{
"featureType": "water",
"stylers": [
{
"visibility": "on"
}
]
},
{
"featureType": "water",
"elementType": "geometry",
"stylers": [
{
"color": "#000000"
}
]
},
{
"featureType": "water",
"elementType": "labels.text.fill",
"stylers": [
{
"color": "#3d3d3d"
}
]
}
]
[
{
\"featureType\": \"all\",
\"elementType\": \"geometry\",
\"stylers\": [
{
\"color\": \"#242f3e\"
}
]
},
{
\"featureType\": \"all\",
\"elementType\": \"labels.text.stroke\",
\"stylers\": [
{
\"lightness\": -80
}
]
},
{
\"featureType\": \"administrative\",
\"elementType\": \"labels.text.fill\",
\"stylers\": [
{
\"color\": \"#746855\"
}
]
},
{
\"featureType\": \"administrative.locality\",
\"elementType\": \"labels.text.fill\",
\"stylers\": [
{
\"color\": \"#d59563\"
}
]
},
{
\"featureType\": \"poi\",
\"elementType\": \"labels.text.fill\",
\"stylers\": [
{
\"color\": \"#d59563\"
}
]
},
{
\"featureType\": \"poi.park\",
\"elementType\": \"geometry\",
\"stylers\": [
{
\"color\": \"#263c3f\"
}
]
},
{
\"featureType\": \"poi.park\",
\"elementType\": \"labels.text.fill\",
\"stylers\": [
{
\"color\": \"#6b9a76\"
}
]
},
{
\"featureType\": \"road\",
\"elementType\": \"geometry.fill\",
\"stylers\": [
{
\"color\": \"#2b3544\"
}
]
},
{
\"featureType\": \"road\",
\"elementType\": \"labels.text.fill\",
\"stylers\": [
{
\"color\": \"#9ca5b3\"
}
]
},
{
\"featureType\": \"road.arterial\",
\"elementType\": \"geometry.fill\",
\"stylers\": [
{
\"color\": \"#38414e\"
}
]
},
{
\"featureType\": \"road.arterial\",
\"elementType\": \"geometry.stroke\",
\"stylers\": [
{
\"color\": \"#212a37\"
}
]
},
{
\"featureType\": \"road.highway\",
\"elementType\": \"geometry.fill\",
\"stylers\": [
{
\"color\": \"#746855\"
}
]
},
{
\"featureType\": \"road.highway\",
\"elementType\": \"geometry.stroke\",
\"stylers\": [
{
\"color\": \"#1f2835\"
}
]
},
{
\"featureType\": \"road.highway\",
\"elementType\": \"labels.text.fill\",
\"stylers\": [
{
\"color\": \"#f3d19c\"
}
]
},
{
\"featureType\": \"road.local\",
\"elementType\": \"geometry.fill\",
\"stylers\": [
{
\"color\": \"#38414e\"
}
]
},
{
\"featureType\": \"road.local\",
\"elementType\": \"geometry.stroke\",
\"stylers\": [
{
\"color\": \"#212a37\"
}
]
},
{
\"featureType\": \"transit\",
\"elementType\": \"geometry\",
\"stylers\": [
{
\"color\": \"#2f3948\"
}
]
},
{
\"featureType\": \"transit.station\",
\"elementType\": \"labels.text.fill\",
\"stylers\": [
{
\"color\": \"#d59563\"
}
]
},
{
\"featureType\": \"water\",
\"elementType\": \"geometry\",
\"stylers\": [
{
\"color\": \"#17263c\"
}
]
},
{
\"featureType\": \"water\",
\"elementType\": \"labels.text.fill\",
\"stylers\": [
{
\"color\": \"#515c6d\"
}
]
},
{
\"featureType\": \"water\",
\"elementType\": \"labels.text.stroke\",
\"stylers\": [
{
\"lightness\": -20
}
]
}
]
class MyFragment : androidx.fragment.app.Fragment(), OnMapReadyCallback {
private lateinit var mGoogleMap: GoogleMap
private lateinit var mMapView: MapView
private lateinit var swt: Switch
private lateinit var tvA: TextView
private lateinit var tvB: TextView
override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
val v = inflater.inflate(R.layout.fragment_map, container, false)
mMapView = v.findViewById(R.id.my_map)
mMapView.onCreate(savedInstanceState)
mMapView.getMapAsync(this)
swt = v.findViewById(R.id.my_switch)
tvA = v.findViewById(R.id.imageView_a)
tvB = v.findViewById(R.id.imageView_b)
return v
}
override fun onMapReady(googleMap: GoogleMap) {
mGoogleMap = googleMap
mGoogleMap.uiSettings.isZoomControlsEnabled = true
mGoogleMap.isBuildingsEnabled = true
mGoogleMap.mapType = GoogleMap.MAP_TYPE_NORMAL
swt.setOnCheckedChangeListener { _, isChecked -> initMap(isChecked) }
initMap(swt.isChecked)
val locationA = LatLng(51.746278, -0.473333)
mGoogleMap.addMarker(MarkerOptions()
.position(locationA)
.title(getString(R.string.location_a))
)
val cameraUpdate = CameraUpdateFactory.newLatLngZoom(LatLng(51.746278, -0.473333), 18f)
mGoogleMap.animateCamera(cameraUpdate)
}
override fun onResume() {
super.onResume()
mMapView.onResume()
}
override fun onPause() {
super.onPause()
mMapView.onPause()
}
override fun onDestroy() {
super.onDestroy()
mMapView.onDestroy()
}
override fun onSaveInstanceState(outState: Bundle) {
super.onSaveInstanceState(outState)
mMapView.onSaveInstanceState(outState)
}
override fun onLowMemory() {
super.onLowMemory()
mMapView.onLowMemory()
}
private fun initMap(isChecked: Boolean) {
when {
isChecked -> mGoogleMap.setMapStyle(MapStyleOptions(resources.getString(R.string.style_json)))
else -> mGoogleMap.setMapStyle(null)
}
}
}
E/Google Maps Android API: Map style parsing failed: org.json.JSONException: End of input at character 4356 of [ { elementType: geometry, stylers: [ { color: #212121 } ] }, { elementType: labels.icon, stylers: [ { visibility: off } ] }, { elementType: labels.text.fill, stylers: [ { color: #757575 } ] }, { elementType: labels.text.stroke, stylers: [ { color: #212121 } ] }, { featureType: administrative, stylers: [ { visibility: on } ] }, { featureType: administrative, elementType: geometry, stylers: [ { color: #757575 } ] }, { featureType: administrative.country, elementType: labels.text.fill, stylers: [ { color: #9e9e9e } ] }, { featureType: administrative.land_parcel, stylers: [ { visibility: off } ] }, { featureType: administrative.locality, elementType: labels.text.fill, stylers: [ { color: #bdbdbd } ] }, { featureType: poi, stylers: [ { visibility: on } ] }, { featureType: poi, elementType: labels.text.fill, stylers: [ { color: #757575 } ] }, { featureType: poi.park, elementType: geometry, stylers: [ { color: #181818 } ] }, { featureType: poi.park, elementType: labels.text.fill, stylers: [ { color: #616161 } ] }, { featureType: poi.park, elementType: labels.text.stroke, stylers: [ { color: #1b1b1b } ] }, { featureType: road, elementType: geometry.fill, stylers: [ { color: #2c2c2c } ] }, { featureType: road, elementType: labels.text.fill, stylers: [ { color: #8a8a8a } ] }, { featureType: road.arterial, elementType: geometry, stylers: [ { color: #373737 } ] }, { featureType: road.highway, elementType: geometry, stylers: [ { color: #3c3c3c } ] }, { featureType: road.highway.controlled_access, elementType: geometry, stylers: [ { color: #4e4e4e } ] }, { featureType: road.local, elementType: labels.text.fill, stylers: [ { color: #616161 } ] }, { featureType: transit, stylers: [ { visibility: on } ] }, { featureType: transit, elementType: labels.text.fill, stylers: [ { color: #757575 } ] }, { featureType: water, stylers: [ { visibility: on } ] }, { featureType: water, elementType: geometry, stylers: [ { color: #000000 } ] }, { featureType: water, elementType: labels.text.fill, stylers: [ { color: #3d3d3d } ] } ] [ { elementType: geometry, stylers: [ { color: #212121 } ] }, { elementType: labels.icon, stylers: [ { visibility: off } ] }, { elementType: labels.text.fill, stylers: [ { color: #757575 } ] }, { elementType: labels.text.stroke, stylers: [ { color: #212121 } ] }, { featureType: administrative, elementType: geometry, stylers: [ { color: #757575 } ] }, { featureType: administrative.country, elementType: labels.text.fill, stylers: [ { color: #9e9e9e } ] }, { featureType: administrative.land_parcel, stylers: [ { visibility: off } ] }, { featureType: administrative.locality, elementType: labels.text.fill, stylers: [ { color: #bdbdbd } ] }, { featureType: poi, elementType: labels.text.fill, stylers: [ { color: #757575 } ] }, { featureType: poi.attraction, stylers: [ { visibility: on } ] }, { featureType: poi.business, stylers: [ { visibility: on } ] }, { featureType: poi.government, stylers: [ { visibility: on } ] }, { featureType: poi.medical, stylers: [ { visibility: on } ] }, { featureType: poi.park, elementType: geometry, stylers: [ { color: #181818 } ] }, { featureType: poi.park, elementType: labels.text.fill, stylers: [ { color: #616161 } ] }, { featureType: poi.park, elementType: labels.text.stroke, stylers: [ { color: #1b1b1b } ] }, { featureType: poi.place_of_worship, stylers: [ { visibility: on } ] }, { featureType: poi.school, stylers: [ { visibility: on } ] }, { featureType: poi.sports_complex, stylers: [ { visibility: on } ] }, { featureType: road, elementType: geometry.fill, stylers: [ { color: #2c2c2c } ] }, { featureType: road, elementType: labels.text.fill, stylers: [ { color: #8a8a8a } ] }, { featureType: road.arterial, elementType: geometry, stylers: [ { color: #373737 } ] }, { featureType: road.highway, elementType: geometry, stylers: [ { color: #3c3c3c } ] }, { featureType: road.highway.controlled_access, elementType: geometry, stylers: [ { color: #4e4e4e } ] }, { featureTyp
<string name="style_json">
[
{
"elementType": "geometry",
"stylers": [
{
"color": "#212121"
}
]
},
{
"elementType": "labels.icon",
"stylers": [
{
"visibility": "off"
}
]
},
{
"elementType": "labels.text.fill",
"stylers": [
{
"color": "#757575"
}
]
},
{
"elementType": "labels.text.stroke",
"stylers": [
{
"color": "#212121"
}
]
},
{
"featureType": "administrative",
"stylers": [
{
"visibility": "on"
}
]
},
{
"featureType": "administrative",
"elementType": "geometry",
"stylers": [
{
"color": "#757575"
}
]
},
{
"featureType": "administrative.country",
"elementType": "labels.text.fill",
"stylers": [
{
"color": "#9e9e9e"
}
]
},
{
"featureType": "administrative.land_parcel",
"stylers": [
{
"visibility": "off"
}
]
},
{
"featureType": "administrative.locality",
"elementType": "labels.text.fill",
"stylers": [
{
"color": "#bdbdbd"
}
]
},
{
"featureType": "poi",
"stylers": [
{
"visibility": "on"
}
]
},
{
"featureType": "poi",
"elementType": "labels.text.fill",
"stylers": [
{
"color": "#757575"
}
]
},
{
"featureType": "poi.park",
"elementType": "geometry",
"stylers": [
{
"color": "#181818"
}
]
},
{
"featureType": "poi.park",
"elementType": "labels.text.fill",
"stylers": [
{
"color": "#616161"
}
]
},
{
"featureType": "poi.park",
"elementType": "labels.text.stroke",
"stylers": [
{
"color": "#1b1b1b"
}
]
},
{
"featureType": "road",
"elementType": "geometry.fill",
"stylers": [
{
"color": "#2c2c2c"
}
]
},
{
"featureType": "road",
"elementType": "labels.text.fill",
"stylers": [
{
"color": "#8a8a8a"
}
]
},
{
"featureType": "road.arterial",
"elementType": "geometry",
"stylers": [
{
"color": "#373737"
}
]
},
{
"featureType": "road.highway",
"elementType": "geometry",
"stylers": [
{
"color": "#3c3c3c"
}
]
},
{
"featureType": "road.highway.controlled_access",
"elementType": "geometry",
"stylers": [
{
"color": "#4e4e4e"
}
]
},
{
"featureType": "road.local",
"elementType": "labels.text.fill",
"stylers": [
{
"color": "#616161"
}
]
},
{
"featureType": "transit",
"stylers": [
{
"visibility": "on"
}
]
},
{
"featureType": "transit",
"elementType": "labels.text.fill",
"stylers": [
{
"color": "#757575"
}
]
},
{
"featureType": "water",
"stylers": [
{
"visibility": "on"
}
]
},
{
"featureType": "water",
"elementType": "geometry",
"stylers": [
{
"color": "#000000"
}
]
},
{
"featureType": "water",
"elementType": "labels.text.fill",
"stylers": [
{
"color": "#3d3d3d"
}
]
}
]
</string>
[
{
“elementType”：“几何体”，
“造型师”：[
{
“颜色”：“212121”
}
]
},
{
“elementType”：“labels.icon”，
“造型师”：[
{
“可见性”：“关闭”
}
]
},
{
“elementType”：“labels.text.fill”，
“造型师”：[
{
“颜色”：“#7575”
}
]
},
{
“elementType”：“labels.text.stroke”，
“造型师”：[
{
“颜色”：“212121”
}
]
},
{
“功能类型”：“管理”，
“造型师”：[
{
“可见性”：“打开”
}
]
},
{
“功能类型”：“管理”，
“elementType”：“几何体”，
“造型师”：[
{
“颜色”：“#7575”
}
]
},
{
“featureType”：“administration.country”，
“elementType”：“labels.text.fill”，
“造型师”：[
{
“颜色”：“#9e9e9e”
}
]
},
{
“功能类型”：“行政用地”，
“造型师”：[
{
“可见性”：“关闭”
}
]
},
{
“featureType”：“administration.locality”，
“elementType”：“labels.text.fill”，
“造型师”：[
{
“颜色”：“#bdbdbd”
}
]
},
{
“featureType”：“poi”，
“造型师”：[
{
“可见性”：“打开”
}
]
},
{
“featureType”：“poi”，
“elementType”：“labels.text.fill”，
“造型师”：[
{
“颜色”：“#7575”
}
]
},
{
“功能类型”：“poi.park”，
“elementType”：“几何体”，
“造型师”：[
{
“颜色”：“#181818”
}
]
},
{
“功能类型”：“poi.park”，
“elementType”：“labels.text.fill”，
“造型师”：[
{
“颜色”：“#6161”
}
]
},
{
“功能类型”：“poi.park”，
“elementType”：“labels.text.stroke”，
“造型师”：[
{
“颜色”：“#1b1b”
}
]
},
{
“功能类型”：“道路”，
“elementType”：“geometry.fill”，
“造型师”：[
{
“颜色”：“#2C2C”
}
]
},
{
“功能类型”：“道路”，
“elementType”：“labels.text.fill”，
“造型师”：[
{
“颜色”：“#8a8a8a”
}
]
},
{
“功能类型”：“道路干线”，
“elementType”：“几何体”，
“造型师”：[
{
“颜色”：“#3737”
}
]
},
{
“功能类型”：“道路.公路”，
“elementType”：“几何体”，
“造型师”：[
{
“颜色”：“3c”
}
]
},
{
“功能类型”：“道路、公路、受控通道”，
“elementType”：“几何体”，
“造型师”：[
{
“颜色”：“#4e4e”
}
]
},
{
“功能类型”：“road.local”，
“elementType”：“labels.text.fill”，
“造型师”：[
{
“颜色”：“#6161”
}
]
},
{
“featureType”：“transit”，
“造型师”：[
{
“可见性”：“打开”
}
]
},
{
“featureType”：“transit”，
“elementType”：“labels.text.fill”，
“造型师”：[
{
“颜色”：“#7575”
}
]
},
{
“功能类型”：“水”，
“造型师”：[
{
“可见性”：“打开”
}
]
},
{
“功能类型”：“水”，
“elementType”：“几何体”，
“造型师”：[
{
“颜色”：“000000”
}
]
},
{
“功能类型”：“水”，
“elementType”：“labels.text.fill”，
“造型师”：[
{
“颜色”：“#3d3D”
}
]
}
]
[
{
\“elementType\”：“geometry\”，
\“stylers\”：[
{
\“颜色”：“212121”
}
]
},
{
\“elementType\”：\“labels.icon\”，
\“stylers\”：[
{
\“可见性\”：“关闭”
}
]
},
{
\“elementType\”：\“labels.text.fill\”，
\“stylers\”：[
{
\“颜色”：“7575”
}
]
},
{
\“elementType\”：\“labels.text.stroke\”，
\“stylers\”：[
{
\“颜色”：“212121”
}
]
},
{
\“featureType\”：“administrative\”，
\“stylers\”：[
{
\“可见性\”：“打开”
}
]
},
{
\“featureType\”：“administrative\”，
\“elementType\”：“geometry\”，
\“stylers\”：[
{
\“颜色”：“7575”
}
]
},
{
\“featureType\”：“administrative.country\”，
\“elementType\”：\“labels.text.fill\”，
\“stylers\”：[
{
\“颜色\”：\“9e9e9e\”
}
]
},
{
\“featureType\”：“管理用地”，
\“stylers\”：[
{
\“可见性\”：“关闭”
}
]
},
<string name="style_json">
[
{
\"elementType\": \"geometry\",
\"stylers\": [
{
\"color\": \"#212121\"
}
]
},
{
\"elementType\": \"labels.icon\",
\"stylers\": [
{
\"visibility\": \"off\"
}
]
},
{
\"elementType\": \"labels.text.fill\",
\"stylers\": [
{
\"color\": \"#757575\"
}
]
},
{
\"elementType\": \"labels.text.stroke\",
\"stylers\": [
{
\"color\": \"#212121\"
}
]
},
{
\"featureType\": \"administrative\",
\"stylers\": [
{
\"visibility\": \"on\"
}
]
},
{
\"featureType\": \"administrative\",
\"elementType\": \"geometry\",
\"stylers\": [
{
\"color\": \"#757575\"
}
]
},
{
\"featureType\": \"administrative.country\",
\"elementType\": \"labels.text.fill\",
\"stylers\": [
{
\"color\": \"#9e9e9e\"
}
]
},
{
\"featureType\": \"administrative.land_parcel\",
\"stylers\": [
{
\"visibility\": \"off\"
}
]
},
{
\"featureType\": \"administrative.locality\",
\"elementType\": \"labels.text.fill\",
\"stylers\": [
{
\"color\": \"#bdbdbd\"
}
]
},
{
\"featureType\": \"poi\",
\"stylers\": [
{
\"visibility\": \"on\"
}
]
},
{
\"featureType\": \"poi\",
\"elementType\": \"labels.text.fill\",
\"stylers\": [
{
\"color\": \"#757575\"
}
]
},
{
\"featureType\": \"poi.park\",
\"elementType\": \"geometry\",
\"stylers\": [
{
\"color\": \"#181818\"
}
]
},
{
\"featureType\": \"poi.park\",
\"elementType\": \"labels.text.fill\",
\"stylers\": [
{
\"color\": \"#616161\"
}
]
},
{
\"featureType\": \"poi.park\",
\"elementType\": \"labels.text.stroke\",
\"stylers\": [
{
\"color\": \"#1b1b1b\"
}
]
},
{
\"featureType\": \"road\",
\"elementType\": \"geometry.fill\",
\"stylers\": [
{
\"color\": \"#2c2c2c\"
}
]
},
{
\"featureType\": \"road\",
\"elementType\": \"labels.text.fill\",
\"stylers\": [
{
\"color\": \"#8a8a8a\"
}
]
},
{
\"featureType\": \"road.arterial\",
\"elementType\": \"geometry\",
\"stylers\": [
{
\"color\": \"#373737\"
}
]
},
{
\"featureType\": \"road.highway\",
\"elementType\": \"geometry\",
\"stylers\": [
{
\"color\": \"#3c3c3c\"
}
]
},
{
\"featureType\": \"road.highway.controlled_access\",
\"elementType\": \"geometry\",
\"stylers\": [
{
\"color\": \"#4e4e4e\"
}
]
},
{
\"featureType\": \"road.local\",
\"elementType\": \"labels.text.fill\",
\"stylers\": [
{
\"color\": \"#616161\"
}
]
},
{
\"featureType\": \"transit\",
\"stylers\": [
{
\"visibility\": \"on\"
}
]
},
{
\"featureType\": \"transit\",
\"elementType\": \"labels.text.fill\",
\"stylers\": [
{
\"color\": \"#757575\"
}
]
},
{
\"featureType\": \"water\",
\"stylers\": [
{
\"visibility\": \"on\"
}
]
},
{
\"featureType\": \"water\",
\"elementType\": \"geometry\",
\"stylers\": [
{
\"color\": \"#000000\"
}
]
},
{
\"featureType\": \"water\",
\"elementType\": \"labels.text.fill\",
\"stylers\": [
{
\"color\": \"#3d3d3d\"
}
]
}
]
</string>