NestedScrollView中的MapView无法平滑滚动

Question

我在NestedScroollView内的MapView有问题。我的Google地图显示正确，但是，当我尝试滚动地图时，它不起作用。我不知道该怎么解决。谁能帮我？谢谢！

那是我的代码：Dog_view.xml

...
<android.support.v4.widget.NestedScrollView
    android:fillViewport="true"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:id="@+id/nestedScroll"
    app:layout_behavior="@string/appbar_scrolling_view_behavior">

    <include layout="@layout/dog_view_layout"
        android:layout_height="match_parent"
        android:layout_width="match_parent"/>

</android.support.v4.widget.NestedScrollView>

dog_view_layout.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="match_parent"
    android:background="#000"
    android:layout_height="wrap_content"
    android:paddingTop="20dp">
    <com.google.android.gms.maps.MapView
        android:id="@+id/mapView"
        android:layout_width="match_parent"
        android:layout_height="match_parent"/>

</RelativeLayout>

狗片段

...
    MapView mMapView;
    private GoogleMap googleMap;


    public DogFragment(){

    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        View rootView = inflater.inflate(R.layout.dog_view, container, false);
        this.dog = getArguments().getParcelable("data");
        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;
                googleMap.setMapType(GoogleMap.MAP_TYPE_SATELLITE);
                googleMap.setMyLocationEnabled(true);
            }
        });
        setLayout(rootView);
        return rootView;
    }
.....
}

Answer 1

您必须创建自定义MapView。请遵循下面提供的代码段

public class AppMapView extends MapView {

    public AppMapView(Context context, AttributeSet attrs) {
        super(context, attrs);
    }

    @Override
    public boolean dispatchTouchEvent(MotionEvent ev) {
        switch (ev.getAction()) {
            case MotionEvent.ACTION_UP:
               System.out.println("unlocked");
               this.getParent().requestDisallowInterceptTouchEvent(false);
               break;

            case MotionEvent.ACTION_DOWN:
               System.out.println("locked");
               this.getParent().requestDisallowInterceptTouchEvent(true);
               break;
       }
       return super.dispatchTouchEvent(ev);
   }
}

在XML中，请遵循以下代码：

<com.hantash.nadeem.custom_views.AppMapView
   android:id="@+id/map_ride_route"
   android:layout_width="match_parent"
   android:layout_height="220dp"
   android:layout_margin="10dp"/>