google maps - how to zoom and add marker to android mapfragment -

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i displaying map @ android application (google maps api v2). want manipulate map in order show specific location, zoom , marker.

can give example of manipulation mapfragment

to map instance in code this:

map = ((supportmapfragment) getsupportfragmentmanager().findfragmentbyid(r.id.map)).getmap();

or:

map = ((mapfragment) getfragmentmanager().findfragmentbyid(r.id.map)).getmap();

depending on whether used supportmapfragment or mapfragment in xml file.

then add marker it:

marker newmarker = map.addmarker(new markeroptions().position(latlng).title("marker title").icon(bitmapdescriptorfactory.fromresource(r.drawable.marker_for_map_purpul)));

to zoom map:

cameraposition cameraposition = new cameraposition.builder().target(latlng).zoom(14.0f).build(); cameraupdate cameraupdate = cameraupdatefactory.newcameraposition(cameraposition); map.movecamera(cameraupdate);

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