Android 安卓谷歌地图标记';s图标不';不改变
我有一个Viewpager,它有4个选项卡,其中一个选项卡有地图。 我将在运行时更改android GoogleMap marker的图标。我做了以下代码Android 安卓谷歌地图标记';s图标不';不改变,android,google-maps,google-maps-api-3,Android,Google Maps,Google Maps Api 3,我有一个Viewpager,它有4个选项卡,其中一个选项卡有地图。 我将在运行时更改android GoogleMap marker的图标。我做了以下代码 @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { final View rootVi
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
final View rootView = inflater.inflate(R.layout.fragment_menu, container, false);
mMapView = (MapView) rootView.findViewById(R.id.mapView);
mMapView.onCreate(savedInstanceState);
mMapView.onResume(); // needed to get the map to display immediately
try {
MapsInitializer.initialize(getActivity().getApplicationContext());
} catch (Exception e) {
e.printStackTrace();
}
mMapView.getMapAsync(new OnMapReadyCallback() {
@Override
public void onMapReady(GoogleMap mMap) {
googleMap = mMap;
// For showing a move to my location button
googleMap.setMyLocationEnabled(true);
// For dropping a marker at a point on the Map
/* googleMap.addMarker(new MarkerOptions().position(sydney).title("Marker Title").snippet("Marker Description")).
setIcon(BitmapDescriptorFactory.fromResource(R.drawable.position_icon));*/
googleMap.setOnMyLocationChangeListener(new GoogleMap.OnMyLocationChangeListener() {
@Override
public void onMyLocationChange(Location location) {
sydney=new LatLng(location.getLatitude(), location.getLongitude());
googleMap.addMarker(new MarkerOptions().position(sydney).title(""))
.setIcon(BitmapDescriptorFactory.fromResource(R.drawable.position_icon));
CameraPosition cameraPosition = new CameraPosition.Builder().target(sydney).zoom(12).build();
googleMap.animateCamera(CameraUpdateFactory.newCameraPosition(cameraPosition));
googleMap.setOnMarkerClickListener(new GoogleMap.OnMarkerClickListener() {
@Override
public boolean onMarkerClick(Marker marker) {
marker.setIcon(BitmapDescriptorFactory.fromResource(R.drawable.logo));
return false;
}
});
}
});
// For zooming automatically to the location of the marker
/* */
}
});
return rootView;
}
但不幸的是,我点击了标记图标,它被改变了,但几秒钟后,上一个标记与新的标记图标重叠。
上面的代码是TabLayout的第一个选项卡,我说它有一个映射,它是一个片段。上述问题的问题是图标在onClickItem事件中更改后将被撤销。所以我定义了一个类的全局属性名marker_change,然后用简单的if语句进行控制
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
final View rootView = inflater.inflate(R.layout.fragment_menu, container, false);
mMapView = (MapView) rootView.findViewById(R.id.mapView);
mMapView.onCreate(savedInstanceState);
mMapView.onResume(); // needed to get the map to display immediately
try {
MapsInitializer.initialize(getActivity().getApplicationContext());
} catch (Exception e) {
e.printStackTrace();
}
mMapView.getMapAsync(new OnMapReadyCallback() {
@Override
public void onMapReady(GoogleMap mMap) {
googleMap = mMap;
// For showing a move to my location button
googleMap.setMyLocationEnabled(true);
// For dropping a marker at a point on the Map
/* googleMap.addMarker(new MarkerOptions().position(sydney).title("Marker Title").snippet("Marker Description")).
setIcon(BitmapDescriptorFactory.fromResource(R.drawable.position_icon));*/
googleMap.setOnMyLocationChangeListener(new GoogleMap.OnMyLocationChangeListener() {
@Override
public void onMyLocationChange(Location location) {
sydney=new LatLng(location.getLatitude(), location.getLongitude());
googleMap.addMarker(new MarkerOptions().position(sydney))
.setIcon(BitmapDescriptorFactory.fromResource(R.drawable.position_icon));
CameraPosition cameraPosition = new CameraPosition.Builder().target(sydney).zoom(12).build();
googleMap.animateCamera(CameraUpdateFactory.newCameraPosition(cameraPosition));
googleMap.setOnMarkerClickListener(new GoogleMap.OnMarkerClickListener() {
@Override
public boolean onMarkerClick(final Marker marker) {
marker_change=1;
return false;
}
});
if(marker_change==1) {
googleMap.clear();
MarkerOptions mo=new MarkerOptions().position(sydney).title("please take pic").snippet("apple")
.icon(BitmapDescriptorFactory.fromResource(R.drawable.address_icon));
// googleMap.addMarker(mo).setIcon(BitmapDescriptorFactory.fromResource(R.drawable.ic_new_mark_icon));;
googleMap.addMarker(mo).setIcon(BitmapDescriptorFactory.fromResource(R.drawable.ic_new_mark_icon));
cameraPosition = new CameraPosition.Builder().target(sydney).zoom(12).build();
googleMap.animateCamera(CameraUpdateFactory.newCameraPosition(cameraPosition));
} else {
marker_change=0;
}
}
});
}
});
return rootView;
}
上述问题的问题是图标在onClickItem事件中更改后将被撤销。所以我定义了一个类的全局属性名marker_change,然后用简单的if语句进行控制
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
final View rootView = inflater.inflate(R.layout.fragment_menu, container, false);
mMapView = (MapView) rootView.findViewById(R.id.mapView);
mMapView.onCreate(savedInstanceState);
mMapView.onResume(); // needed to get the map to display immediately
try {
MapsInitializer.initialize(getActivity().getApplicationContext());
} catch (Exception e) {
e.printStackTrace();
}
mMapView.getMapAsync(new OnMapReadyCallback() {
@Override
public void onMapReady(GoogleMap mMap) {
googleMap = mMap;
// For showing a move to my location button
googleMap.setMyLocationEnabled(true);
// For dropping a marker at a point on the Map
/* googleMap.addMarker(new MarkerOptions().position(sydney).title("Marker Title").snippet("Marker Description")).
setIcon(BitmapDescriptorFactory.fromResource(R.drawable.position_icon));*/
googleMap.setOnMyLocationChangeListener(new GoogleMap.OnMyLocationChangeListener() {
@Override
public void onMyLocationChange(Location location) {
sydney=new LatLng(location.getLatitude(), location.getLongitude());
googleMap.addMarker(new MarkerOptions().position(sydney))
.setIcon(BitmapDescriptorFactory.fromResource(R.drawable.position_icon));
CameraPosition cameraPosition = new CameraPosition.Builder().target(sydney).zoom(12).build();
googleMap.animateCamera(CameraUpdateFactory.newCameraPosition(cameraPosition));
googleMap.setOnMarkerClickListener(new GoogleMap.OnMarkerClickListener() {
@Override
public boolean onMarkerClick(final Marker marker) {
marker_change=1;
return false;
}
});
if(marker_change==1) {
googleMap.clear();
MarkerOptions mo=new MarkerOptions().position(sydney).title("please take pic").snippet("apple")
.icon(BitmapDescriptorFactory.fromResource(R.drawable.address_icon));
// googleMap.addMarker(mo).setIcon(BitmapDescriptorFactory.fromResource(R.drawable.ic_new_mark_icon));;
googleMap.addMarker(mo).setIcon(BitmapDescriptorFactory.fromResource(R.drawable.ic_new_mark_icon));
cameraPosition = new CameraPosition.Builder().target(sydney).zoom(12).build();
googleMap.animateCamera(CameraUpdateFactory.newCameraPosition(cameraPosition));
} else {
marker_change=0;
}
}
});
}
});
return rootView;
}
这是因为每当您的位置发生变化时,您都会添加一个新的标记。单击标记时,其图标会更改为徽标,但几秒钟后,位置也会更改,代码会添加一个带有位置图标的新标记,因为新位置接近旧位置,新标记与旧标记重叠。@HarjotSinghOberai您有任何解决方案来实现此目标吗?请详细说明您试图实现的目标。@HarjotSinghOberai我想在用户点击标记时更改地图标记图标,第二次点击谷歌地图标记图标时,相机打开,用户可以拍照等等要在位置更改时添加新标记吗?或者您希望标记移动到新位置?这是因为每当您的位置发生变化时,您都要添加新标记。单击标记时,其图标会更改为徽标,但几秒钟后,位置也会更改,代码会添加一个带有位置图标的新标记,因为新位置接近旧位置,新标记与旧标记重叠。@HarjotSinghOberai您有任何解决方案来实现此目标吗?请详细说明您试图实现的目标。@HarjotSinghOberai我想在用户点击标记时更改地图标记图标,第二次点击谷歌地图标记图标时,相机打开,用户可以拍照等等要在位置更改时添加新标记吗?或者您希望标记移动到新位置?