千丝海阁

class pScreen extends PopupScreen implements KeyListener{
public boolean keyChar(char key, int status, int time) {
if (key == Characters.ESCAPE)
close();
return false;
}
}

public boolean keyChar(char key,
int status,
int time)

Invoked when a sequence of zero or more keyDowns generates a character.

Most applications will want to use this function over the others. It will be invoked when a character is generated.

Parameters:
key – Character generated, after any effects of the ALT or SHIFT keys and any complex keyboard mappings.
status – Status of the ALT, SHIFT and CAPS LOCK keys.
time – Number of milliseconds since the device was turned on.
Returns:
True if the event was consumed.