in example/lib/pages/short_video/short_video_page.dart [225:235]
void _pauseAllExceptCurrent(int currentIndex) {
for (int i = 0; i < _itemKeys.length; i++) {
if (i != currentIndex) {
// 暂停非当前 item
_itemKeys[i].currentState?.pause();
} else if (i == currentIndex) {
// 恢复当前 item
_itemKeys[i].currentState?.resume();
}
}
}