itemizedoverlay | 易学教程

Moving icons on a Android MapView

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问题 I'm working on an application that displays the location of moving items on a Google MapView. I need a way to update the position of the icons that represent the items (as well as change the facing of the icons every two seconds as updated data comes in). I currently have an activity in the app that extends MapActivity. On to this I have overlaid a static Overlay that draws some lines on the map and an ItemizedOverlay that draws a static icon. There is a draw() method that claims to be used

GoogleMaps: custom ItemizedOverlay and OverlayItem, the correct way to show different marker

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I've been searching long for clear informations about the right way of extending ItemizedOverlay and OverlayItem, but the result I get does not satisfy me yet. In a few words, I need to show on a map different kind of markers related to a number of locations; the type of the marker to be displayed is determined by specific properties of the location itself. I will also need to display a certain marker when a marker is selected, and another one when the marker is unselected or unfocused. According to what I understand, this is what I wrote: public class MyItemizedOverlay extends ItemizedOverlay

android, google map errors: BaseTileRequest, Server returned: 3

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I got some strange errors while develop some custom map overlays, anyone experience these? pls help, tks in advance. BaseTileRequest.readResponseData(BaseTileRequest.java:115) MapService$MapTileRequest.readResponseData(MapService.java:1473) MapService$MapTileRequest.readResponseData(MapService.java:1473) 09-17 00:53:25.933: WARN/System.err(32480): java.io.IOException: Server returned: 3 09-17 00:53:25.933: WARN/System.err(32480): at android_maps_conflict_avoidance.com.google.googlenav.map.BaseTileRequest.readResponseData(BaseTileRequest.java:115) 09-17 00:53:25.938: WARN/System.err(32480): at

GoogleMaps: custom ItemizedOverlay and OverlayItem, the correct way to show different marker

阅读更多关于 GoogleMaps: custom ItemizedOverlay and OverlayItem, the correct way to show different marker

问题 I've been searching long for clear informations about the right way of extending ItemizedOverlay and OverlayItem, but the result I get does not satisfy me yet. In a few words, I need to show on a map different kind of markers related to a number of locations; the type of the marker to be displayed is determined by specific properties of the location itself. I will also need to display a certain marker when a marker is selected, and another one when the marker is unselected or unfocused.