How to call BlackBerryContactList.choose () of the background application

I am facing a problem while call BlackBerryContactList.choose () to background application (process) nothing happens.

Below is the code

List of BlackBerryContactList = (BlackBerryContactList) PIM.getInstance () .openPIMList (PIM. CONTACT_LIST, PIM. READ_WRITE);
Choose PIMItem = list.choose ();

When you call a user interface application works well, but even does not work when the application background.

Please help me...

This dialog works separately from your Application.  It is not actually a part of your Application.  It is a Global screen.  It works very well.

But to use the dialog to choose, I think you should return control in your application, and as you've found, I think that you need to bring your application to the foreground in order to ensure that he choose the dialog box is displayed.  This means that you have to run a UiApplication, not a request.

To make sure that it can request not bought to the forefront accidentally, you can set acceptsForeground() to false.

But when you want to use the Choose dialog box, you will need to have this method returns true and then put your Application in the foreground.  When you get the answer to choose, you can set it to false and again take your application in the background.

I suggest while you develop it you just create a UiApplication standard and make it work like that.  Then try to simulate an application by adjusting the acceptsForeground() at the right times.

Since your application will in fact be a UiApplication, I suggest you have a too associated screen.  A simple splash screen will do.

I hope this helps.

PS > there is a small chance that you can requestForeground on your Application when you call the method of choice and it appears.  Try it.  But I will not be surprised if it fails.

Tags: BlackBerry Developers

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