GlobalEventListener: to distinguish between system module and gui entrypoint

Hey. I have an application with a system module that should always run and a gui with a EULA entry point. Once accepted the EULA, I want the gui to close application and the module of the system to begin running. (It works on battery pull, but the goal is to avoid asking the user to do).

eventOccurred in GlobalEventListener fires twice, I guess once for the module of the system and once for the GUI. Two apparently weird things happen. First of all, when I use a global boolean to make a distinction between the sysmod and GUI, GUI screen is stuck and the sysmod seems to be exited. (Or I tried passing the processid of the sysmod and just exit with a different id - the GUI.) Same effect).

Then when I remove the and check only for the guid of the global event, the eula, the sysmod screen farm stop logging but an icon of the application with the generic blue icon are still there in the app selector (hold the menu button).

All I want to do is start the system module and close the EULA gui, so that the user need not cold start. Thanks for your time... code below. J.

class MDB extends UiApplication implements GlobalEventListener 

  boolean thisIsSystemModule;

    // In main(  )

        if (arg0.equals("gui")) {

            globalMDB = new MDB();
            globalMDB.SetSystemModuleFlag(false);
            globalMDB.addThatGlobal();
    }
        else if (arg0.equals("activatesysmodandexitgui")) {

            MySystemListener msl = new MySystemListener();
            globalMDB = new MDB();
            globalMDB.SetSystemModuleFlag(true);
            globalMDB.addSystemListener(msl);

            globalMDB.ScheduleNextBackgroundChange();   

                String logMessage = "MDB has both setup and scheduled a bg change.";
                EventLogger.logEvent(0x4c9d3452d87922f8L, logMessage.getBytes(), EventLogger.ALWAYS_LOG);
                    System.out.println("\n\n>>" + logMessage);

            // post global event for eula to listen to and close
            globalMDB.addThatGlobal(); 

        //// Event ID comes from MDB.Start.System.Module.And.Close.EULA.GUI  0x5395aca2ff6df828L
            ApplicationDescriptor appDescriptor = ApplicationDescriptor.currentApplicationDescriptor();
            int smprocessid = ApplicationManager.getApplicationManager().getProcessId(appDescriptor);

         ApplicationManager.getApplicationManager().postGlobalEvent(0x5395aca2ff6df828L, smprocessid, 0);

            globalMDB.enterEventDispatcher();
    }
    else {
        // code for battery pull
    }

    private void SetSystemModuleFlag(boolean flag) {

        thisIsSystemModule = flag;

    }

    private void addThatGlobal() {

        addGlobalEventListener(this);   

    }

    ////  Called when user accepts the eula. EULA is gui entrypoint. I want the gui app to exit and leave just the system module

    private static void StartSystemModule() {

            int modHandle = CodeModuleManager.getModuleHandle("MDB");
            ApplicationDescriptor[] apDes = CodeModuleManager.getApplicationDescriptors(modHandle);
            ApplicationDescriptor appDescriptor = new ApplicationDescriptor(apDes[1], new String[] {"activatesysmodandexitgui"});  // we want the system module

            try
            {
                ApplicationManager.getApplicationManager().runApplication(appDescriptor);
            }
            catch (Exception e)
            {
                    System.out.println("\n>> Problem starting system mmodule\n");
            }

    }

public void eventOccurred( long guid, int data0, int data1, Object object0, Object object1) {

        //Is this the GlobalEvent we are waiting for?
        //Long = com.samples.globalEventFiring.GlobalEventFiring
        ApplicationDescriptor appDescriptor = ApplicationDescriptor.currentApplicationDescriptor();
        int thisprocessid = ApplicationManager.getApplicationManager().getProcessId(appDescriptor);

        if (guid == 0x5395aca2ff6df828L)  //  !thisIsSystemModule &&         data0 != thisprocessid &&
        {
                System.out.println("\nEvent received, eula exiting now.");
                System.exit(1);
        }
}

Hello. The whole situation turns that arose because despite searching, I was not in the current Modules of the system to start when the application is installed (or opening). I knew only that they were running at startup, then in the absence of a way to start them from code, I asked users to cold start their phones!

Although I do not understand what caused this error, it might have something to do with the planning of a timer job or adding a listener to an instance of the application system, and then exit the application before the timer is due to run it. Could someone with more understanding fill in us, on what it would do, but unless there is another way, I wouldn't do it.

The solution was to do nothing. Delete all of the code to start the module of the system. And the other thing of smaller was to detect whether the instance is the module of the system or the gui entry point, Yes, you can use a global var but not a static. In acceptsForeground, you just check this global var defined in the hand and to be sysmod, false return.

Will seek some of the discovered books recently, in order to aim to post 2 days a week only I think that in the future.

TKS

Tags: BlackBerry Developers

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