import org.osmdroid.events.ScrollEvent; //导入依赖的package包/类
@Override
public void scrollTo(int x, int y) {
	setMapScroll(x, y);
	resetProjection();
	invalidate();

	// Force a layout, so that children are correctly positioned according to map orientation
	if (getMapOrientation() != 0f)
		myOnLayout(true, getLeft(), getTop(), getRight(), getBottom());

	// do callback on listener
	for (MapListener mapListener: mListners){
		final ScrollEvent event = new ScrollEvent(this, x, y);
		mapListener.onScroll(event);
	}
}
 

import org.osmdroid.events.ScrollEvent; //导入依赖的package包/类
/**
 * Set the map view to the given center. There will be no animation.
 */
@Override
public void setCenter(final IGeoPoint point) {
    // If no layout, delay this call
    for (MapListener mapListener: mMapView.mListners) {
        mapListener.onScroll(new ScrollEvent(mMapView, 0, 0));
    }
    if (!mMapView.isLayoutOccurred()) {
        mReplayController.setCenter(point);
        return;
    }
    mMapView.setExpectedCenter(point);
}
 

import org.osmdroid.events.ScrollEvent; //导入依赖的package包/类
/**
 * handles the map movement rendering portions, prevents more than one render at a time,
 * waits for the user to stop moving the map before triggering the render
 */
@Override
public boolean onScroll(ScrollEvent event) {
    lastMovement = System.currentTimeMillis();
    needsDataRefresh = true;
    return false;
}
 

import org.osmdroid.events.ScrollEvent; //导入依赖的package包/类
@Override
public boolean onScroll(ScrollEvent event) {

    if(lastEvent+40 < System.currentTimeMillis()) {
        lastEvent=System.currentTimeMillis();
        if (event.getSource() == mMapView) {
            mMapView2.getController().setCenter(mMapView.getMapCenter());
        } else {
            mMapView.getController().setCenter(mMapView2.getMapCenter());
        }

    }

    return true;
}
 

import org.osmdroid.events.ScrollEvent; //导入依赖的package包/类
/***********************************************
 * MapListener interface implementation
 ***********************************************/
public boolean onScroll(ScrollEvent scrollEvent) {
	Log.d("MapListener", scrollEvent.toString());
	boolean isOsmDataDownloadAutomatic = SettingsManager.getInstance().getBoolean(MapzenPreferenceActivity.PREF_DOWNLOAD_OSM, true);
	if (isOsmDataDownloadAutomatic)
		tryUpdateData();
	return true;
}
 

import org.osmdroid.events.ScrollEvent; //导入依赖的package包/类
@Override
public View onCreateView(LayoutInflater inflater,
                         ViewGroup container,
                         Bundle savedInstanceState) {
    Log.d(TAG, "onCreateView");
    View createdView;

    if (getMapLayoutId() == -1) {
        LinearLayout linearLayout =
                (LinearLayout) inflater.inflate(getLayoutId(), container, false);
        linearLayout.addView(this.mapView);
        createdView = linearLayout;
    } else {
        createdView = inflater.inflate(getLayoutId(), container, false);
        LinearLayout mapLayout = (LinearLayout) createdView.findViewById(getMapLayoutId());
        mapLayout.addView(this.mapView);
    }


    this.mapView.setMapListener(
            new DelayedMapListener(
                    new MapListener() {
                        Integer x, y;

                        public boolean onZoom(final ZoomEvent zoomEvent) {
                            Log.i(TAG, "onZoom: " + zoomEvent.getZoomLevel());
                            currentStrategy.onMapDisplacement(
                                    mapView.getZoomLevel(),
                                    mapView.getMapCenter().getLatitude(),
                                    mapView.getMapCenter().getLongitude());
                            return true;
                        }

                        public boolean onScroll(final ScrollEvent e) {
                            Log.d(TAG, "onScroll");
                            MapFragment.this.onScroll();
                            if (x == null || y == null) {
                                x = e.getX();
                                y = e.getY();
                            } else if (x == e.getX() && y == e.getY()) {
                                return true;
                            }

                            currentStrategy.onMapDisplacement(
                                    mapView.getZoomLevel(),
                                    mapView.getMapCenter().getLatitude(),
                                    mapView.getMapCenter().getLongitude());

                            return true;
                        }
                    }, 200));

    return createdView;
}
 

import org.osmdroid.events.ScrollEvent; //导入依赖的package包/类
@Override
public boolean onScroll(final ScrollEvent event) 
{
	refreshItems();
	return true;
}
 

import org.osmdroid.events.ScrollEvent; //导入依赖的package包/类
@Override
public boolean onScroll(ScrollEvent event) {
	return false;
}
 

import org.osmdroid.events.ScrollEvent; //导入依赖的package包/类
@Override
public boolean onScroll(ScrollEvent scrollEvent) {
    updateGridlines();
    return false;
}
 

import org.osmdroid.events.ScrollEvent; //导入依赖的package包/类
@Override
public boolean onScroll(ScrollEvent scrollEvent) {
    return false;
}
 

import org.osmdroid.events.ScrollEvent; //导入依赖的package包/类
/******************************************
 * MapListener interface implementation
 ******************************************/
@Override
public boolean onScroll(ScrollEvent event) {
	return mPoisOverlay.onScroll(event);
}