Java Development

[amj_wind]

Hi -

Is there a way to do an overlay between 2 points (coordinates are known) on BBMaps?

I would like to do something similar to the purple think overlay that comes when you look

for directions.

Thanks

amod

[mkirkup · Accepted solution]

In the 4.5 release, we have released a new API called MapField (net.rim.device.api.lbs.MapField) which would allow your application to take over full control of the BlackBerry Maps application including the ability to overlay any graphics on the map that you would like.

There is a sample in the 4.5 JDE called MapFieldDemo that outlines how you can leverage this new capability.

[bzubert]

Note that MapField involves embedding the field within your application.  If you're just looking to launch BlackBerry Maps, drawing a the purple line from point to point, this function can be accomplished using the GetRoute XML tag in your Invoke call.  Please see the following document for more information.

http://www.blackberry.com/knowledgecenterpublic/livelink.exe/fetch/2000/348583/800332/800703/How_To_...

[ptyson]

Is there a way to determine if BlackBerry Maps is actually installed and running on a device?  AT&T/Verizon do not install the BlackBerry Maps Application and if people add it later then it still doesn't work.  If one invokes the application it gives a null pointer exception.  Can we determine ahead of the Invoke that it will actually work?

Thanks,

Peter

[bzubert]

One option is to check for the presence of BlackBerry Maps using CodeModuleManager.getModuleHandle(String name), passing in the name of the COD file for BlackBerry Maps.  To determine the name of the COD file, on a device running BlackBerry Maps, you can either go to Options > Advanced Options > Applications, and select the BlackBerry Maps application to see which modules make up the app, or you can use javaloader to get a listing of all modules on the device:  javaloader -u dir

[amj_wind]

Thanks, the map field demo works well for me.

Two followup questions:

1) Can existing devices upgrade to 4.5 version?

2) If not, do you have an idea when devices with version 4.5 hit the market in the US?

[bzubert]

Yes, existing devices can be upgraded to 4.5.  8300 series, 8800 series, 8100 series, and the 8700 can all be upgraded to 4.5.  Release dates will vary from carrier to carrier with many already distributing this software today. 

[azeroual]

Hi,
I need to embed maps in one of my applications. The problem is I need to support versions 4.2 and up... What options do I have?

thanks for your help
Ali

[MSohm]

There are no APIs in the BlackBerry API set to support this in version 4.2.

[yyhokenny]

Has anyone tried the MapFieldDemo on the Bold (BB9000) simulator?  It doesn't seem to capture trackball movement.  Does later version of the OS still uses the navigationMovement to capture trackball movements?  (I am developing on 4.6)