我正在使用 Material DateTime 选择器来选择日期和时间。它工作正常,但在 onTimeSetListener
方法中它以 24 小时格式返回 hourOfTheDay
。
我想以 12 小时格式显示它,因为我使用了 if 条件,其中小时数大于 12,那么它应该显示 PM,但小时数不会改变。
我怎样才能改变这个?
public class TransportFragment extends Fragment implements DatePickerDialog.OnDateSetListener,TimePickerDialog.OnTimeSetListener {
private OnFragmentInteractionListener mListener;
private EditText mEditTxt_From,mEditTxt_To,mEditTxt_DateTime;
int PLACE_PICKER_REQUEST = 1;
private static final String TAG = "PlacePickerSample";
private static final int REQUEST_PLACE_PICKER_FROM = 1;
private static final int REQUEST_PLACE_PICKER_TO = 2;
private String mDate;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// Inflate the layout for this fragment
View view = inflater.inflate(R.layout.fragment_transport, container, false);
mEditTxt_From = (EditText) view.findViewById(R.id.editTextFrom);
mEditTxt_To = (EditText) view.findViewById(R.id.editTextTo);
mEditTxt_DateTime = (EditText) view.findViewById(R.id.editTextDateTime);
mEditTxt_DateTime = (EditText) view.findViewById(R.id.editTextDateTime);
mEditTxt_DateTime.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Calendar now = Calendar.getInstance();
DatePickerDialog dpd = DatePickerDialog.newInstance(
TransportFragment.this,
now.get(Calendar.YEAR),
now.get(Calendar.MONTH),
now.get(Calendar.DAY_OF_MONTH)
);
dpd.setVersion(DatePickerDialog.Version.VERSION_2);
dpd.setAccentColor(ContextCompat.getColor(getActivity(),R.color.colorAccent));
dpd.show(getFragmentManager(), "Datepickerdialog");
}
});
@Override
public void onDateSet(DatePickerDialog view, int year, int monthOfYear, int dayOfMonth) {
mDate = dayOfMonth+"/"+(++monthOfYear)+"/"+year;
Calendar now = Calendar.getInstance();
TimePickerDialog tpd = TimePickerDialog.newInstance(
TransportFragment.this,
now.get(Calendar.HOUR_OF_DAY),
now.get(Calendar.MINUTE),
false
);
tpd.setVersion(TimePickerDialog.Version.VERSION_2);
tpd.setAccentColor(ContextCompat.getColor(getActivity(),R.color.colorAccent));
tpd.setOnCancelListener(new DialogInterface.OnCancelListener() {
@Override
public void onCancel(DialogInterface dialogInterface) {
Log.d("TimePicker", "Dialog was cancelled");
}
});
tpd.show(getFragmentManager(), "Timepickerdialog");
}
@Override
public void onTimeSet(TimePickerDialog view, int hourOfDay, int minute, int second) {
String hourString = hourOfDay < 10 ? "0"+hourOfDay : ""+hourOfDay;
String minuteString = minute < 10 ? "0"+minute : ""+minute;
String secondString = second < 10 ? "0"+second : ""+second;
String time;
if(hourOfDay > 12)
{
time = hourOfDay + ":" + minuteString + " PM";
}
else {
time = hourOfDay + ":" + minuteString + " AM";
}
mEditTxt_DateTime.setText(mDate + " " + time );
}
}
请帮忙。谢谢。
最佳答案
我认为您的if
语句无效:
if (hourOfDay > 12) {
time = (hourOfDay - 12) + ":" + minuteString + " PM";
} else {
...
}
关于java - 从日期时间选择器获取 12 小时时间,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/44088500/