#鸿蒙通关秘籍#在HarmonyOS NEXT项目中如何实现短时间内连续两次点击才能退出应用？

let lastBackPressedTime = 0;

.onBackPressed(() => {
    const currentTime = new Date().getTime();
    const timeDifference = currentTime - lastBackPressedTime;
    if (timeDifference < 2000) {
        AppUtil.exit();
    } else {
        ToastUtil.showToast('再按一次退出应用');
        lastBackPressedTime = currentTime;
    }
    return true;
});
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