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Thanks for the reply, I have confirmed that the layer is initialized and added into mapView, but the getFullExtent is still returns null, btw, I found only the first layer of the mapView has FullExtent, other return null.
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12-04-2012
05:30 PM
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when i use mLayer.getFullExtent() (the mLayer is one of the mapView's layer), but it returns null, so is it possible to setFullExtent to a layer?
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12-03-2012
11:51 PM
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Dear all, I have a basic question..how to set the full extent of the layer or mapview?
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11-28-2012
05:25 PM
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Dixon, can you explain the requirements for when you switch from local map to ArcGIS Online base map? Usually when you swap maps the intention is to keep the exact same extent and zoom level. And, is the ArcGIS Online base map a "WebMap" or an ArcGIS Server Map Service (REST endpoint)? If you need to change the extent and resolution/zoom level there are methods for those that you can apply that after a layer has been added to the map, for example: zoomToResolution(Point centerPt, double res)
setExtent(Geometry geometry)
-Andy Andy, Thx for the reply. Yes, usually maps are using the exact same extent and zooming level, but the requirement is: using the local map at start, if user needs online map service, the app pops warning dialog for using internet service which may cost. and the local map is a clipped version, so when swap to online map, the full extent, minimum resolution etc are limited. I'm currently using ArcGIS REST service, and there is another question if you don't mind. How to avoid "map data not yet available" tiled images display on the map when there are no images on the map? I know setMinResolution(double res) would solve the problem, but the ArcGIS android app seems using different way. it zooms the minimum LOD if the next level of LOD has no image, so i wonder how to do this.
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10-10-2012
11:14 PM
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Dear all, I found "The first layer that is added to the MapView using either approach presented previously will defines its initial extent, resolution, and spatial reference for the entire map. To change any of these attributes, use the corresponding setter methods; otherwise the MapView will maintain these initial values during the lifetime of the object." in MapView API Reference page. the problem is, when i switch local map to arcgis online base map. extent, resolution especially full-extent follow the first layer that is soooo annoying, so I decided to reset MapView. I've tried reset/reinitialize/new MapView but it doesn't work excepts switch activity, so I wonder if there is any methods that make MapView back to initialze states?
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10-10-2012
12:23 AM
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