Building my first application

Guys, I'm new to the forum. I built a base application that opens a menu IM--> system Messages.

However after that giving a sleep of 1000 ms the application switches to the MyScreen.java.However I don't want my MyScreen is visible. I want my Menu IM to stay on the bb screen, and then I want to access the menu--> options--> and the following screen... Help me pzzz. And don't forget that I am new to the community. Thank you

package mypackage;

import net.rim.device.api.system.ApplicationManager;
import net.rim.device.api.system.ApplicationManagerException;
import net.rim.device.api.system.SystemListener;
import net.rim.device.api.ui.UiApplication;

/**
 * This class extends the UiApplication class, providing a
 * graphical user interface.
 */
public class MyApp extends UiApplication implements SystemListener
{
    /**
     * Entry point for application
     * @param args Command line arguments (not used)
     */
    public static void main(String[] args)
    {
        //BlackBerryMessenger bbm= BlackBerryMessenger.getInstance();

   try {
            ApplicationManager.getApplicationManager().launchApplication("net_rim_bb_qm_peer");
         }
     catch (ApplicationManagerException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } 

     try {
            Thread.sleep(1000);
         }
      catch (InterruptedException e)
        {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

        // Create a new instance of the application and make the currently
        // running thread the application's event dispatch thread.
        MyApp theApp = new MyApp();
        theApp.enterEventDispatcher();

     try
     {
            Thread.sleep(1000);
     }

     catch (InterruptedException e)

     {
            // TODO Auto-generated catch block
            e.printStackTrace();
     }

   }

    public MyApp()
    {
        // Push a screen onto the UI stack for rendering.
        pushScreen(new MyScreen());
    }

    public void batteryGood() {
        // TODO Auto-generated method stub

    }

    public void batteryLow() {
        // TODO Auto-generated method stub

    }

    public void batteryStatusChange(int status) {
        // TODO Auto-generated method stub

    }

    public void powerOff() {
        // TODO Auto-generated method stub

    }

    public void powerUp() {
        // TODO Auto-generated method stub

    }
}

I used your code then change MyScreen.java

Import net.rim.device.api.system.Application;
Import net.rim.device.api.system.ApplicationManager;
Import net.rim.device.api.system.ApplicationManagerException;
Import net.rim.device.api.ui.MenuItem;
Import net.rim.device.api.ui.container.MainScreen;

/**
* A class that extends the class screen, which offers default standard
* behavior for BlackBerry GUI applications.
*/
/ public final class MyScreen extends form {}
/**
* Creates a new object of MyScreen
*/
public MyScreen() {}
Set the displayed title of the screen
setTitle ("MyTitle");
addApplicationMenu (this);

}

/**
* Adds a menu that allows the user to perform various message store
* actions.
*
@param screen
Screen to add the menu to
*/
void addApplicationMenu (screen display) {}
AppendUnreadMenuItem MenuItem = new MenuItem ("open Messenger", 1, 1) {}
public void run() {}
try {}
ApplicationManager.getApplicationManager)
.launchApplication ("net_rim_bb_qm_peer");
} catch (ApplicationManagerException e) {}
e.printStackTrace ();
} {Finally
Application.getApplication () .requestBackground ();
}

}
};

mainScreen.addMenuItem (appendUnreadMenuItem);

}
}

and remove the code from MyApp.java. your MyApp will be like this

**
* This class extend the UiApplication class, providing a
* graphical user interface.
*/
SerializableAttribute public class MyApp extends UiApplication
{
/**
* Entry point for application
@param args command-line arguments (not used)
*/
Public Shared Sub main (String [] args)
{
Create a new instance of the application and make the currently
who runs the thread of the application of the event dispatch thread.
MyApp PAP = new MyApp();
theApp.enterEventDispatcher ();
}

/**
* Creates a new object MyApp
*/
public MyApp()
{
Push a screen onto the stack in the user interface for rendering.
pushScreen (new MyScreen());
}
}

(or just copy the code to PASE in your eclipse).

Tags: BlackBerry Developers

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