BlackBerry progress dialog

I want to show the user a progress dialog until a particular task is complete.

For example, after the user enters userna开发者_运维百科me and password it takes some time to connect as the username and password are validated. I want to show the progress bar to the user while waiting.

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GaugeField percentGauge = new GaugeField("Percent: ", 1, 100, 29, GaugeField.PERCENT);

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While user is waiting for response u can also show loader screen or an activity indicator.

check these:

http://supportforums.blackberry.com/t5/Java-Development/How-to-display-the-blackberry-loading-icon-manually/m-p/552833

Blackberry - Application loading screen

Blackberry - Loading/Wait screen with animation

May be it can help u.