Question

我试图在点击地图时添加标记或通过搜索选择地点，我也使用GeoJson创建多个图层，但我获得空指针异常在Google地图中再次点击标记时。

错误讯息：

E / AndroidRuntime：致命异常：主要过程：com.tekraiders.wherehouse.wherehouse，PID：7058 显示java.lang.NullPointerException 在 com.google.maps.android.data.Layer.multiObjectHandler（Layer.java:144）在com.google.maps.android.data.Layer.access $ 000（Layer.java:41）在com.google.maps.android.data.Layer $ 2.onMarkerClick（Layer.java:114）在com.google.android.gms.maps.GoogleMap $ 2.zza（未知来源）在com.google.android.gms.maps.internal.zzu $ zza.onTransact（未知资源）在android.os.Binder.transact（Binder.java:361）在 com.google.android.gms.maps.internal.bz.a（：com.google.android.gms.DynamiteModulesB：84）在 com.google.maps.api.android.lib6.impl.dd.b（：com.google.android.gms.DynamiteModulesB：292）在 com.google.maps.api.android.lib6.gmm6.api.e.a（：com.google.android.gms.DynamiteModulesB：242）在 com.google.maps.api.android.lib6.gmm6.vector.m.a（：com.google.android.gms.DynamiteModulesB：4070）在 com.google.maps.api.android.lib6.gmm6.vector.af.c（：com.google.android.gms.DynamiteModulesB：611）在 com.google.maps.api.android.lib6.gmm6.vector.df.onSingleTapConfirmed（：com.google.android.gms.DynamiteModulesB：236）在 com.google.maps.api.android.lib6.impl.gesture.g.onSingleTapConfirmed（：com.google.android.gms.DynamiteModulesB：189）在 com.google.maps.api.android.lib6.impl.gesture.i.handleMessage（：com.google.android.gms.DynamiteModulesB：132）在android.os.Handler.dispatchMessage（Handler.java:102）在android.os.Looper.loop（Looper.java:136）在android.app.ActivityThread.main（ActivityThread.java:5052） at java.lang.reflect.Method.invokeNative（Native Method）在java.lang.reflect.Method.invoke（Method.java:515）在 com.android.internal.os.ZygoteInit $ MethodAndArgsCaller.run（ZygoteInit.java:793）在com.android.internal.os.ZygoteInit.main（ZygoteInit.java:609）在dalvik.system.NativeStart.main（本地方法）

mMap.setOnMapClickListener(new GoogleMap.OnMapClickListener() {
            @Override
            public void onMapClick(LatLng latLng) {
                try {
                    int i = 0;

                    //Log.e("SahajLOG", " latlang > " + latLng + " " + layer.getBoundingBox().contains(latLng) + " " + layer.getBoundingBox().including(latLng));
                    String MarkerString = "location marked";


                    i = 0;
                    for (LatLngBounds bbc : latLngBoundsArray) {
                        Log.e("SahajLOG", "callad A1" + bbc.contains(latLng));
                        if (bbc.contains(latLng)) {
                            i++;
                            layer.addLayerToMap();
                            MarkerString = "Cyclone ZONE 1";
                        } else if (layer.isLayerOnMap() && i == 0) {
                            layer.removeLayerFromMap();
                        }
                    }


                    i = 0;
                    for (LatLngBounds bbc : latLngBoundsArray2) {
                        Log.e("SahajLOG", "callad A2" + bbc.contains(latLng));
                        if (bbc.contains(latLng)) {
                            i++;
                            layer2.addLayerToMap();
                            MarkerString = "Cyclone ZONE 2";
                        } else if (layer2.isLayerOnMap() && i == 0) {
                            layer2.removeLayerFromMap();
                        }
                    }


                    i = 0;
                    for (LatLngBounds bbc : latLngBoundsArray3) {
                        Log.e("SahajLOG", "callad A3" + bbc.contains(latLng));
                        if (bbc.contains(latLng)) {
                            i++;
                            layer3.addLayerToMap();
                            MarkerString = "Cyclone ZONE 3";
                        } else if (layer3.isLayerOnMap() && i == 0) {
                            layer3.removeLayerFromMap();
                        }
                    }


                    i = 0;
                    for (LatLngBounds bbc : latLngBoundsArray4) {
                        Log.e("SahajLOG", "callad A4" + bbc.contains(latLng));
                        if (bbc.contains(latLng)) {
                            i++;
                            layer4.addLayerToMap();
                            MarkerString = "Cyclone ZONE 4";
                        } else if (layer4.isLayerOnMap() && i == 0) {
                            layer4.removeLayerFromMap();
                        }
                    }

                    if (hashMapMarker != null) {
                        if (hashMapMarker.get("otherLocMark") != null) {
                            removeUpMaker("otherLocMark");
                            setUpMaker(latLng.latitude, latLng.longitude, "otherLocMark", MarkerString);
                        } else
                            setUpMaker(latLng.latitude, latLng.longitude, "otherLocMark", MarkerString);
                    } else
                        setUpMaker(latLng.latitude, latLng.longitude, "otherLocMark", MarkerString);

                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        });

和标记

private void setUpMaker(double currentLatitude,double currentLongitude,String Key,String title) {
    hashMapMarker = new HashMap<>();
    Marker marker = mMap.addMarker(new MarkerOptions().position(new LatLng(currentLatitude, currentLongitude)).title(title));
    hashMapMarker.put(Key, marker);
    marker.showInfoWindow();
  //  Log.e("SahajLOG", "setUpMarker > " +marker +" key "+Key);
    //mMap.addMarker(new MarkerOptions().position(new LatLng(currentLatitude, currentLongitude)).title("I am here!"));
}
private void removeUpMaker(String Key) {
    Marker marker = hashMapMarker.get(Key);
    marker.remove();
    hashMapMarker.remove(Key);
    Log.e("SahajLOG", "removeMarker > " + marker + " key " + Key);
}

在Google地图中再次点击标记时出现空指针异常

0 个答案: