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How to Create Dialog Series Datepicker - Kotlin
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class MyDialogFragment : DialogFragment(), DatePickerDialog.OnDateSetListener { | |
override fun onCreateDialog(savedInstanceState: Bundle?): Dialog { | |
val dialog = activity?.let { | |
// デフォルトの日付を用意 | |
val c = Calendar.getInstance() | |
val year = c[Calendar.YEAR] | |
val month = c[Calendar.MONTH] | |
val day = c[Calendar.DAY_OF_MONTH] | |
DatePickerDialog(it, this, year, month, day) | |
} | |
return dialog ?: throw IllegalStateException("アクティビティがNullです。") | |
} | |
override fun onDateSet(view: DatePicker, year: Int, month: Int, dayOfMonth: Int) { | |
val msg = "${year}年${(month+1)}月${dayOfMonth}日" | |
Toast.makeText(context, msg, Toast.LENGTH_SHORT).show() | |
} | |
} |
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