嗨,我正在将字符串传递给包中的片段,它可以为空,但我不确定当我从包参数中读取时如何接受空值
companion object {
private const val KEY_CONTACT_P_NUM = "contact_p_num"
fun newInstance(pNum: String?): GITFragment {
return GetInTouchResponseFragment().apply {
arguments = bundleOf(KEY_CONTACT_P_NUM to phoneNumber)
}
}
}
val pNum = arguments?.getString(KEY_CONTACT_P_NUM) as String
当我从参数中读取 KEY_CONTACT_P_NUM 时,出现错误
Fatal Exception: java.lang.NullPointerException null cannot be cast to non-null type kotlin.String
从参数读取时如何接受空值
谢谢 R