Total Commander

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@Override
public boolean onKeyDown(int keyCode, KeyEvent event)  {
    if (keyCode == KeyEvent.KEYCODE_BACK) {
        // track for long presses
        event.startTracking();
        return true;
    }
    return super.onKeyDown(keyCode, event);
}

@Override
public boolean onKeyLongPress(int keyCode, KeyEvent event) {
    if (keyCode == KeyEvent.KEYCODE_BACK) {
        // long press event
        // end activity by calling finish() for example or show confirmation dialog
        // return true will cause the CANCELED flag to be set in the event
        // which can be checked in the onKeyUp() method to make sure
        // that the short-press-action isn't performed additionally.
        return true;
    }
    return super.onKeyLongPress(keyCode, event);
}

@Override
public boolean onKeyUp(int keyCode, KeyEvent event) {
    if (keyCode == KeyEvent.KEYCODE_CALL) {
        if (!event.isCanceled()) { // check if the user performed a long-press
            // if not, perform normal (short press) action
            /* ... */
        }
        return true;
    }
    return super.onKeyUp(keyCode, event);
}

Code: Select all

event.startTracking();

Code: Select all

    @Override
    public boolean onKeyDown(int keyCode, KeyEvent event) {
        if (keyCode == KeyEvent.KEYCODE_BACK) {
                if (event.getRepeatCount() == 0) { // actual "down" event
                    event.startTracking();
                    return true;
                } else if (event.isLongPress()) {
                    // key was held until long press is recognized, causing the FLAG_LONG_PRESS flag to be set
                    /* long press action here */
                    return true;
                }
        }
        return super.onKeyDown(keyCode, event);
    }

    @Override
    public boolean onKeyUp(int keyCode, KeyEvent event) {
        if (keyCode == KeyEvent.KEYCODE_BACK)) {
                if (event.isTracking() && !event.isCanceled()) {
                    // long press didnt fire, so this is a regular short press
                    /* short press action */
                    return true;
                }
        }
        return super.onKeyUp(keyCode, event);
    }