LWUIT Button pressed and released

Question

如何在LWUIT中检测按住窗体上的按钮，以及如何检测该按钮被释放。

Answer 1

Yoo have in form and button in Lwuit functions that take care about thus actions.

keyPressed(int keyCode)- keyboard press

keyReleased(int keyCode) - keyboard released

pointerPressed(int x, int y) - touch press

ublic void pointerReleased(int x, int y) - touch released

Answer 2

Button has pressed() and released() methods which you can override to detect long press. To detect short presses just use addActionListener() on the button.