"pushModalScreen called by a non-event thread" thrown on event thread
- by JGWeissman
I am trying to get my Blackberry application to display a custom modal dialog, and have the opening thread wait until the user closes the dialog screen.
final Screen dialog = new FullScreen();
...// Fields are added to dialog
Application.getApplication().invokeAndWait(new Runnable()
{
public void run()
{
Application.getUiApplication().pushModalScreen(dialog);
}
});
This is throwing an Exception which says "pushModalScreen called by a non-event thread" despite the fact that I am using invokeAndWait to call pushModalScreen from the event thread.
Any ideas about what the real problem is?
Here is the code to duplicate this problem:
package com.test;
import net.rim.device.api.ui.*;
import net.rim.device.api.ui.component.*;
import net.rim.device.api.ui.container.*;
public class Application extends UiApplication {
public static void main(String[] args)
{
new Application();
}
private Application()
{
new Thread()
{
public void run()
{
Application.this.enterEventDispatcher();
}
}.start();
final Screen dialog = new FullScreen();
final ButtonField closeButton = new ButtonField("Close Dialog");
closeButton.setChangeListener(new FieldChangeListener()
{
public void fieldChanged(Field field, int context)
{
Application.getUiApplication().popScreen(dialog);
}
});
dialog.add(closeButton);
Application.getApplication().invokeAndWait(new Runnable()
{
public void run()
{
try
{
Application.getUiApplication().pushModalScreen(dialog);
}
catch (Exception e)
{
// To see the Exception in the debugger
throw new RuntimeException(e.getMessage());
}
}
});
System.exit(0);
}
}
I am using Component Package version 4.5.0.
