would like to add a zoom control to the map. I also want to layout the position of the zoom Control instead of the default middle bottom position. I can do this by getZoomControl but it is deprecated.
Could anyone tell me how to do this with setBuildtInZoomControls?
This is how I got mine working finally (by embedding a ZoomControl in XML layout).
mapView = (MapView) this.findViewById(R.id.mapView);
ZoomControls zoomControls = (ZoomControls) findViewById(R.id.zoomcontrols);
zoomControls.setOnZoomInClickListener(new OnClickListener() {
public void onClick(View v) {
mapView.getController().zoomIn();
}
});
zoomControls.setOnZoomOutClickListener(new OnClickListener() {
public void onClick(View v) {
mapView.getController().zoomOut();
}
});
mapView.getZoomButtonsController()
Although this is undocumented (at least in the javadoc available here: com.google.android.maps) I am quite sure this is the replacement for the deprecated getZoomControls
Edit: just found out that it is documented, just not in the google api docs but rather here: ZoomButtonsController on developer.android.com
You could then call getContainer () or getZoomControls () (depending on what you want to do) to get access to the zoom controls view.
And then do something like
RelativeLayout.LayoutParams zoomParams = new RelativeLayout.LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
zoomParams.addRule(RelativeLayout.ALIGN_PARENT_TOP);
mapView.getZoomButtonsController().getZoomControls().setLayoutParams(zoomParams);
although I have to admit that I am not sure what layout the maps view uses, could be LinearLayout as well.
LinearLayout zoomLayout = (LinearLayout) findViewById(R.id.layout_zoom);
View mapController = mapView.getZoomButtonsController().getZoomControls();
zoomLayout.addView(mapController, new LinearLayout.LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT));
I m pretty sure that the only way to do this is to either use the MapView s deprecated getZoomControls() or to DIY it. The MapController has the methods necessary (e.g. zoomIn() and zoomOut()).
RelativeLayout relativeLayout = new RelativeLayout(this);
setContentView(relativeLayout);
final MapView mapView = new MapView(this, DEBUG_MAP_API_KEY);
RelativeLayout.LayoutParams mapViewLayoutParams = new RelativeLayout.LayoutParams(RelativeLayout.LayoutParams.FILL_PARENT,RelativeLayout.LayoutParams.FILL_PARENT );
relativeLayout.addView(mapView, mapViewLayoutParams);
RelativeLayout.LayoutParams zoomControlsLayoutParams = new RelativeLayout.LayoutParams(RelativeLayout.LayoutParams.WRAP_CONTENT,RelativeLayout.LayoutParams.WRAP_CONTENT );
zoomControlsLayoutParams.addRule(RelativeLayout.ALIGN_PARENT_BOTTOM);
zoomControlsLayoutParams.addRule(RelativeLayout.CENTER_HORIZONTAL);
relativeLayout.addView(mapView.getZoomControls(), zoomControlsLayoutParams);
mapView.setClickable(true);
mapView.setEnabled(true);
I think this should work ... Hope this is useful :)
The solution provided by George on Placing Zoom Controls in a MapView allows to layout the built in zoom controls by using gravity attributes. This attribute positions the element into its container which seems that is positioned on the bottom of the screen so its not possible to position the zoom controls on the top of the screen by layouting the zoom controls.
In conclusion you can layout the built in zoom controls by doing:
((FrameLayout.LayoutParams) mapView.getZoomButtonsController().getZoomControls().getLayoutParams()).gravity = Gravity.RIGHT;
Remember that the zoom controls are contained into a FrameLayout therefore any try to use rules like RelativeLayout.ALIGN_PARENT_BOTTOM or RelativeLayout.ALIGN_PARENT_TOP will lead you only to pain and sorrow.
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