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我只需要加载google map
上的两个标记,但加载了多个标记。Android上的Google地图上只加载两个标记
下面是我的代码:
public class MainActivity extends FragmentActivity {
GoogleMap map;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
// Getting reference to SupportMapFragment of the activity_main
SupportMapFragment fm = (SupportMapFragment) getSupportFragmentManager().findFragmentById(R.id.map);
// Getting Map for the SupportMapFragment
map = fm.getMap();
if (map != null) {
// Enable MyLocation Button in the Map
if (ActivityCompat.checkSelfPermission(this, android.Manifest.permission.ACCESS_FINE_LOCATION) !=
PackageManager.PERMISSION_GRANTED
&& ActivityCompat.checkSelfPermission(this, android.Manifest.permission.ACCESS_COARSE_LOCATION) !=
PackageManager.PERMISSION_GRANTED) {
return;
}
map.setMyLocationEnabled(true);
//It is used to zoom when google first loading on your device.
map.setMapType(GoogleMap.MAP_TYPE_NORMAL);
map.moveCamera(CameraUpdateFactory.newLatLngZoom(new LatLng(23.0310791, 72.5954376), 11));
map.setMyLocationEnabled(true);
map.animateCamera(CameraUpdateFactory.zoomTo(11));
}
map.setOnMapClickListener(new GoogleMap.OnMapClickListener() {
@Override
public void onMapClick(LatLng latLng) {
// Creating a marker
MarkerOptions markerOptions = new MarkerOptions();
// Setting the position for the marker
markerOptions.position(latLng);
// Placing a marker on the touched position
map.addMarker(markerOptions);
}
});
}
}
我已实施google map API
加载地图,上面就是我试图加载标记。它根据提供的纬度和长度加载标记,但我需要在我的谷歌地图上只绘制两个标记。
当有人点击地图时,您已添加标记。所以你点击它的次数就会被放在地图上。所以当你放置一个新的标记时你想删除上一个标记吗? –
检查这个答案,如果它适用于你http://stackoverflow.com/a/35770711/3514144 –