Hi ,
I have a vertical manager with backgroungd image.and all my code i checked in 7100t simulator. but now when i use simulator with small screen i dont get the vertical scrollbar. so how can i achieve a vertical scroll bar. the code is given below . Also i tried adding null field below but it did not helped me.
package HelloWorld;
import net.rim.device.api.ui.*;
import net.rim.device.api.ui.component.*;
import net.rim.device.api.ui.container.*;
import net.rim.device.api.system.*;
import net.rim.device.api.ui.Manager;
import net.rim.device.api.ui.Field;
import net.rim.device.api.ui.Screen.*;
public class HelloWorld extends UiApplication
{
public static void main(String[] args) {
HelloWorld theApp = new HelloWorld();
theApp.enterEventDispatcher();
}
public HelloWorld() {
pushScreen(new HelloWorldScreen());
}
}
class HelloWorldScreen extends MainScreen {
//this is the backup button
private CustomButtonField backUpButton;
//this is the restore button
private CustomButtonField restoreButton;
//this is the share button
private CustomButtonField shareButton;
//this is the import button
private CustomButtonField importButton;
//this is the Web button
private CustomButtonField WebButton;
//his button is use to backup data from server
private BigButtonField backup_data_button;
RestoreScreen resscreen;
WebScreen webscreen;
//this is the background image
private Bitmap backgroundBitmap;
// instance of the backup class
// private BackupContacts backupContact;
//instance of progress bar
private ProgressBar progressBar;
private int i=0;
int nScreenWidth=0;
int nScreenHieght=0;
VerticalFieldManager vfm;
public HelloWorldScreen()
{
super();
//create a label field and add the title to the main screen
LabelField title = new LabelField("Backup Contacts",Field.FIELD_HCENTER);
setTitle(title);
//create the button here
backUpButton = new CustomButtonField("backup");
restoreButton = new CustomButtonField("restore");
WebButton = new CustomButtonField("web");
backup_data_button = new BigButtonField("backupdata");
//get the screen width and height here
nScreenWidth = Display.getWidth();
nScreenHieght = Display.getHeight();
//display the screen width and height here
System.out.println("Screen width--->"+nScreenWidth);
System.out.println("Screen height--->"+nScreenHieght);
//set padding according to screen width and height
backUpButton.setPadding(0,0,0,35);
Manager gridFieldManager = new GridFieldManager(3, 0);
//add to grid field manager
gridFieldManager.add(backUpButton);
gridFieldManager.add(restoreButton);
gridFieldManager.add(WebButton);
//create the horizontal field manager and add the manager to the status
HorizontalFieldManager hfm_status = new HorizontalFieldManager();
hfm_status.add(gridFieldManager);
setStatus(hfm_status);
//get the background image
backgroundBitmap = Bitmap.getBitmapResource("bg2.png");
VerticalFieldManager main_vfm = new VerticalFieldManager(VerticalFieldManager.USE_ALL_WIDTH | VerticalFieldManager.USE_ALL_HEIGHT)
{
//Override the paint method to draw the background image.
public void paint(Graphics graphics)
{
//Draw the background image and then call paint.
graphics.drawBitmap(0, 0, 240,240, backgroundBitmap, 0, 0);
super.paint(graphics);
}
};
//add the background image here
add(main_vfm);
backup_data_button.setPadding(140,0,0,30);
//add the backup button to the main_vfm which user will click
main_vfm.add(backup_data_button);
//fire event for going to backup screen.
backUpButton.setChangeListener(new FieldChangeListener()
{
public void fieldChanged(Field field, int context)
{
Dialog.alert("You are in Backup Screen.");
}
});
//fire event for backing up data from server
backup_data_button.setChangeListener(new FieldChangeListener()
{
public void fieldChanged(Field field, int context)
{
//Dialog.alert("Backup button clicked!");
//backupContact = new BackupContacts();
progressBar = new ProgressBar("Backing up...Please Wait",100,600);
progressBar.start();
}
});
// fire event for navigating to restore Screen.
restoreButton.setChangeListener(new FieldChangeListener()
{
public void fieldChanged(Field field, int context) {
//Dialog.alert("Restore button clicked for screen navigation!");
//System.out.println("now call restore");
resscreen = new RestoreScreen();
UiApplication.getUiApplication().pushScreen(resscreen);
}
});
// fire event for navigating to web Screen.
WebButton.setChangeListener(new FieldChangeListener()
{
public void fieldChanged(Field field, int context) {
//Dialog.alert("Web button clicked for screen navigation!");
webscreen = new WebScreen();
UiApplication.getUiApplication().pushScreen(webscreen);
}
});
}
//on close or on escape this function gets called
public boolean onClose()
{
Dialog.alert("Thank u For Using IDRIVELITE");
System.exit(0);
return true;
}
}
thanks®ards
