Excellent! Thank you for sharing this useful information with the PalmOS developer community!
-- David Thacker http://www.SatelliteForms.net The Premier RAD Tool for PalmOS & PocketPC "Lionscribe" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] >I was looking all over for an SDK (or API) to launch the wonderful new >Google Maps for Palm application (free). It would be great to be able to >have your application launch the Google Maps application, and show the map >of a particular site. > Therefore, in the true Palm developer spirit, I decided to hack the Find > and Goto launch codes of Google Maps, so that the developer can simulate a > goto launch. It wasn't too hard, and following is the code. > Please note: Since this is undocumented from Google, it might break in > future releases. The best thing would be for Google to release a SDK with > custom launch codes. Even better would be, if they would register it as a > helper application, thus allowing the end-user do decide which map > application (if there will be any others) to use. I would suggest in > future versions, that the launch-helper notification should a value for > the calling application's creatorID and some data, so that the map > application could have a "Return to <Application>" button. If you want to > keep this thread alive, just add suggestions, maybe they will get back to > Google. :-) > > And here is the code: > > #define googleMapCreatorID 'GLM.' > #define googleMapPreferenceID 1 > #define googleMapPreferenceVersion 1 > > typedef enum > { > googleMapFindLocation = 0, > googleMapFindBusiness = 1, > googleMapDirectionsTo = 2, > googleMapDirectionsFrom = 3 > }googleMapFindType; > > Boolean LaunchGoogleMap(const Char * findStr, googleMapFindType findType); > > Boolean LaunchGoogleMap(const Char * findStr, googleMapFindType findType) > { > UInt16 cardNo; > LocalID dbID = 0; > DmSearchStateType stateInfo; > if (errNone == DmGetNextDatabaseByTypeCreator(true, &stateInfo, > sysFileTApplication, googleMapCreatorID, false, &cardNo, &dbID) && dbID) > { > GoToParamsType * cmdPBP = (GoToParamsType > *)MemPtrNew(sizeof(GoToParamsType)); > MemPtrSetOwner(cmdPBP, 0); > MemSet(cmdPBP, sizeof(GoToParamsType), 0); > cmdPBP->recordNum = findType; > PrefSetAppPreferences(googleMapCreatorID, googleMapPreferenceID, > googleMapPreferenceVersion, findStr, StrLen(findStr), false); > SysUIAppSwitch(cardNo, dbID, sysAppLaunchCmdGoTo, cmdPBP); > return true; > } > return false; > } > > -- For information on using the PalmSource Developer Forums, or to unsubscribe, please see http://www.palmos.com/dev/support/forums/
