質問編集履歴
2
DatePickerFragment追加
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -256,6 +256,72 @@
|
|
|
256
256
|
|
|
257
257
|
|
|
258
258
|
|
|
259
|
+
Dialog
|
|
260
|
+
|
|
261
|
+
--
|
|
262
|
+
|
|
263
|
+
class DatePickerFragment : DialogFragment(),
|
|
264
|
+
|
|
265
|
+
DatePickerDialog.OnDateSetListener {
|
|
266
|
+
|
|
267
|
+
|
|
268
|
+
|
|
269
|
+
interface OnDateSelectedListener {
|
|
270
|
+
|
|
271
|
+
fun onSelected(year: Int, month: Int, date: Int)
|
|
272
|
+
|
|
273
|
+
}
|
|
274
|
+
|
|
275
|
+
|
|
276
|
+
|
|
277
|
+
private lateinit var listener: OnDateSelectedListener
|
|
278
|
+
|
|
279
|
+
|
|
280
|
+
|
|
281
|
+
override fun onAttach(context: Context?) {
|
|
282
|
+
|
|
283
|
+
super.onAttach(context)
|
|
284
|
+
|
|
285
|
+
if(context is OnDateSelectedListener) {
|
|
286
|
+
|
|
287
|
+
listener = context
|
|
288
|
+
|
|
289
|
+
}
|
|
290
|
+
|
|
291
|
+
}
|
|
292
|
+
|
|
293
|
+
|
|
294
|
+
|
|
295
|
+
override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
|
|
296
|
+
|
|
297
|
+
val c = Calendar.getInstance()
|
|
298
|
+
|
|
299
|
+
val year = c.get(Calendar.YEAR)
|
|
300
|
+
|
|
301
|
+
val month = c.get(Calendar.MONTH)
|
|
302
|
+
|
|
303
|
+
val date = c.get(Calendar.DAY_OF_MONTH)
|
|
304
|
+
|
|
305
|
+
return DatePickerDialog(context, this, year, month, date)
|
|
306
|
+
|
|
307
|
+
}
|
|
308
|
+
|
|
309
|
+
|
|
310
|
+
|
|
311
|
+
override fun onDateSet(view: DatePicker, year:
|
|
312
|
+
|
|
313
|
+
Int, month: Int, date: Int) {
|
|
314
|
+
|
|
315
|
+
```listener.onSelected(year, month, date)
|
|
316
|
+
|
|
317
|
+
```
|
|
318
|
+
|
|
319
|
+
}
|
|
320
|
+
|
|
321
|
+
}
|
|
322
|
+
|
|
323
|
+
|
|
324
|
+
|
|
259
325
|
試したこと
|
|
260
326
|
|
|
261
327
|
--
|
1
試したことを追記
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -253,3 +253,13 @@
|
|
|
253
253
|
}
|
|
254
254
|
|
|
255
255
|
}
|
|
256
|
+
|
|
257
|
+
|
|
258
|
+
|
|
259
|
+
試したこと
|
|
260
|
+
|
|
261
|
+
--
|
|
262
|
+
|
|
263
|
+
Dialogファイルを作成し、DatePickerFragment.OnDateSelectedListenerをMainActivityに書いたところ日付選択ダイアログは表示されたのですが、日付を選択した後落ちてしまいます。エラー内容(kotlin.UninitializedPropertyAccessException: lateinit property listener has not been initialized
|
|
264
|
+
|
|
265
|
+
at com.example.myalarmclock.DatePickerFragment.onDateSet)
|