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Callback interface for when the map is ready to be used.
Once an instance of this interface is set on a MapFragment or MapView object, the onMapReady(GoogleMap) method is triggered when the map is ready to be used and provides a non-null instance of GoogleMap.
If Google Play services is not installed on the device, the user will be prompted to install it, and the onMapReady(GoogleMap) method will only be triggered when the user has installed it and returned to the app.
Called when the map is ready to be used.
Note that this does not guarantee that the map has undergone layout. Therefore, the map's size may not have been determined by the time the callback method is called. If you need to know the dimensions or call a method in the API that needs to know the dimensions, get the map's View and register an ViewTreeObserver.OnGlobalLayoutListener as well.
Do not chain the OnMapReadyCallback and OnGlobalLayoutListener listeners, but instead register and wait for both callbacks independently, since the callbacks can be fired in any order.
As an example, if you want to update the map's camera using a LatLngBounds without dimensions, you should wait until both OnMapReadyCallback and OnGlobalLayoutListener have completed. Otherwise there is a race condition that could trigger an IllegalStateException.
MapFragment or MapView that defines the callback.
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Last updated 2024-10-31 UTC.
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