getDisplay() in Constructor or at startApp()

is it better to identify the display in the constructor or in the method startApp().

Code:

Code:

public class SampleMIDlet extends MIDlet {

private Display display;

protected void startApp() throws MIDletStateChangeException {
display = Display.getDisplay(this);
}

                ...

}


vs.

Code:

Code:

public class SampleMIDlet extends MIDlet {

private Display display;

public SampleMIDlet() {
display = Display.getDisplay(this);
}

                ...

}


somebody informed me, that some mobile phones are unable to execute "getDisplay" in the constructor. but most of the open source code i checked are coded in this way.

what's your style? do you know, if there can be any trouble?