我试图显示地图,但谷歌地图为空。我的代码是 - :getSupportFragmentManager()给出null
supportMapFragment = (SupportMapFragment)getSupportFragmentManager().findFragmentById(R.id.add_event_map);
supportMapFragment.getMapAsync(new OnMapReadyCallback() {
@Override
public void onMapReady(GoogleMap googleMap) {
mgoogleMap = googleMap;
}
});
mgoogleMap.getUiSettings().setZoomControlsEnabled(true);
我收到的最后一行空指针异常 - :
mgoogleMap.getUiSettings().setZoomControlsEnabled(true);
'mgoogleMap'为'null'。 – Piyush