I am using Google Maps Android API
v2<https://developers.google.com/maps/documentation/android/> in
my android app, but there is no way to zoom in and out on the pins on the
map. There is no zoom function at all, I press on map or pins and I dont
see how to zoom.
Here's some of the relevant code:
Iterator<Map<String, String>> iterator2 = historyData.iterator();
while(iterator2.hasNext()){
Map<String, String> item = iterator2.next();
double currentLat = Double.parseDouble(item.get("latitude"));
double currentLong = Double.parseDouble(item.get("longitude"));
mMap.addMarker(new MarkerOptions()
.position(new LatLng(currentLat, currentLong))
.title(item.get("address"))
.snippet("Alert: " + item.get("alert") + ", Speed:" + item.get(
"speed"))
)
;
if(previousItem != null){
Polyline line = mMap.addPolyline(new PolylineOptions()
.add(new LatLng(currentLat, currentLong),
newLatLng(Double.parseDouble(previousItem.get(
"latitude")),Double.parseDouble(previousItem.get("longitude"))) )
.width(5)
.color(Color.RED));
}
if(!iterator2.hasNext()){
currentView = new LatLng(currentLat, currentLong);
}
previousItem = item;
}
if(currentView != null){
mMap.getUiSettings().setZoomControlsEnabled(false);
mMap.getUiSettings().setAllGesturesEnabled(false);
CameraPosition cameraPosition = new CameraPosition.Builder()
.target(currentView)
.zoom(13)
.bearing(90)
.build();
mMap.moveCamera(CameraUpdateFactory.newCameraPosition(cameraPosition));
}
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