Code : Invoke rich media explorer

/* Application.java */

import net.rim.device.api.ui.UiApplication; public class Application extends UiApplication{     public static void main(String[] args) {         (new Application()).enterEventDispatcher();     }     public Application() {         this.pushScreen(new MyScreen());     } }

/* MyScreen.java */

import net.rim.device.api.system.ApplicationDescriptor; import net.rim.device.api.system.ApplicationManager; import net.rim.device.api.system.ApplicationManagerException; import net.rim.device.api.system.CodeModuleManager; import net.rim.device.api.ui.MenuItem; import net.rim.device.api.ui.component.Menu; import net.rim.device.api.ui.container.MainScreen; import net.rim.device.api.system.Bitmap; public class MyScreen extends MainScreen {     private static final MenuItem menuItemClose =                                                  new MenuItem(                                                              "Close", 13, 244) {         public void run() {             System.exit(0);         }     };     private static final MenuItem menuItemRun =                                                  new MenuItem(                                                                "Run", 13, 244) {         public void run() {             int handle = CodeModuleManager                                 .getModuleHandle("net_rim_bb_file_explorer");             if (handle <= 0) {                 System.out.println("HANDLE IS INVALID");                 return;             }             ApplicationDescriptor[] appDescriptors = CodeModuleManager                                             .getApplicationDescriptors(handle);             if ((appDescriptors==null) || (appDescriptors.length == 0)) {                 System.out.println("App descriptors are missing");                 return;             }             String[] args = {"", "" };             ApplicationDescriptor descriptor = new ApplicationDescriptor(                                       appDescriptors[0], "Media explorer", args,                                       Bitmap.getBitmapResource("icon.png"), -1, null, -1,                                       ApplicationDescriptor.FLAG_SYSTEM);                        try {                 ApplicationManager.getApplicationManager().runApplication(descriptor);             } catch (ApplicationManagerException e) {                 System.out.println("App cannot be launched");                 System.out.println(e.getMessage());                 return;                            }                }     };     public MyScreen() {         super();     }     public boolean onClose() {         System.exit(0);         return false;     }     public void makeMenu(Menu menu, int context) {         menu.add(menuItemRun);         menu.add(menuItemClose);     } }

Enjoy!