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- import android.app.TimePickerDialog;
- import android.support.v4.app.DialogFragment;
- import android.support.v4.app.FragmentActivity;
- import android.support.v4.app.FragmentManager;
- import android.util.Log;
- import android.view.View;
- import android.widget.TextView;
- import android.widget.TimePicker;
- public class ButtonListeners extends FragmentActivity implements
- View.OnClickListener, TimePickerDialog.OnTimeSetListener {
- @Override
- public void onClick(View buttons) {
- switch (buttons.getId()){
- case R.id.button1:
- break;
- case R.id.button2:
- DialogFragment timePicker = new TimePickerFragment();
- **FragmentManager manager = getSupportFragmentManager();** //<< error here
- timePicker.show(manager,"timepicker");
- }
- }
- @Override
- public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
- //do something
- }
- }
- public class TimePickerFragment extends DialogFragment {
- @NonNull
- @Override
- public Dialog onCreateDialog(@Nullable Bundle savedInstanceState) {
- Calendar c = Calendar.getInstance();
- int hour = c.get(Calendar.HOUR_OF_DAY);
- int minute = c.get(Calendar.MINUTE);
- return new TimePickerDialog(getActivity(), (TimePickerDialog.OnTimeSetListener) getActivity(), hour, minute, DateFormat.is24HourFormat(getActivity()));
- }
- }
- 2019-06-18 16:29:24.449 25857-25857/com.example.calendar E/AndroidRuntime: FATAL EXCEPTION: main
- Process: com.example.calendar, PID: 25857
- java.lang.IllegalStateException: Activity has been destroyed
- at android.support.v4.app.FragmentManagerImpl.enqueueAction(FragmentManager.java:2114)
- at android.support.v4.app.BackStackRecord.commitInternal(BackStackRecord.java:683)
- at android.support.v4.app.BackStackRecord.commit(BackStackRecord.java:637)
- at android.support.v4.app.DialogFragment.show(DialogFragment.java:144)
- at com.example.calendar.ButtonListeners.onClick(ButtonListeners.java:28)
- at android.view.View.performClick(View.java:6597)
- at android.view.View.performClickInternal(View.java:6574)
- at android.view.View.access$3100(View.java:778)
- at android.view.View$PerformClick.run(View.java:25885)
- at android.os.Handler.handleCallback(Handler.java:873)
- at android.os.Handler.dispatchMessage(Handler.java:99)
- at android.os.Looper.loop(Looper.java:193)
- at android.app.ActivityThread.main(ActivityThread.java:6669)
- at java.lang.reflect.Method.invoke(Native Method)
- at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)
- at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858)
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