如何将 DatePickerDialog 的“年”、“月”和“日”的值保存到领域数据库中?

问题描述

覆盖 fun onViewCreated(view: View,savedInstanceState: Bundle?){ super.onViewCreated(view,savedInstanceState)

    var cal: Calendar = Calendar.getInstance()
    var year = cal.get(Calendar.YEAR)
    var month = cal.get(Calendar.MONTH)
    var day = cal.get(Calendar.DAY_OF_MONTH)

    Toast.makeText(requireContext(),"for test",Toast.LENGTH_SHORT).show()

    **btn_cal.setonClickListener {
        val pickdate = DatePickerDialog(
                requireContext(),DatePickerDialog.OnDateSetListener {
            view,y: Int,m: Int,d: Int ->
            text_cal.setText("${y}년 ${m + 1}월 ${d}일")
        },year,month,day
        )
        pickdate.show()
    }**


    navController = Navigation.findNavController(view)
    btn_home01.setonClickListener {
        navController.navigate(R.id.action_fragment_one_to_fragment_home)
    }
}

解决方法

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