Android 日期和时间的使用

日期和时间的使用；

1：弹出框TimePickerDialog,DatePickerDialog

2：组件TimePicker,DatePicker

TimePickerDialog的使用：通过点击button显示图一，然后用户可以设置时间

DatePickerDialog的使用只需要将TimePickerDialog修改成DatePickerDialog, TimePickerDialog.OnTimeSetListener 分别修改成DatePickerDialog,OnDateSetListener既可

public static class TimePickerFragment extends DialogFragment implements TimePickerDialog.OnTimeSetListener { //用户创建弹出时间框的方法 @Override public Dialog onCreateDialog(Bundle savedInstanceState) { // Use the current time as the default values for the picker final Calendar c = Calendar.getInstance(); int hour = c.get(Calendar.HOUR_OF_DAY); int minute = c.get(Calendar.MINUTE); // Create a new instance of TimePickerDialog and return it return new TimePickerDialog(getActivity(), this, hour, minute, DateFormat.is24HourFormat(getActivity())); } public void onTimeSet(TimePicker view, int hourOfDay, int minute) { // Do something with the time chosen by the user }} android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/pick_time" android:onClick="showTimePickerDialog" />public void showTimePickerDialog(View v) { DialogFragment newFragment = new TimePickerFragment(); newFragment.show(getSupportFragmentManager(), "timePicker");}

DatePickerDialog的代码：

public class DatePickerFragment extends DialogFragment implements DatePickerDialog.OnDateSetListener { //用户创建日期对话框的时间方法 @Override public Dialog onCreateDialog(Bundle savedInstanceState) { Calendar c = Calendar.getInstance(); int year = c.get(Calendar.YEAR); int month = c.get(Calendar.MONTH); int day = c.get(Calendar.DAY_OF_MONTH); DatePickerDialog dialog = new DatePickerDialog(getActivity(), this, year, month, day); return dialog; } @Override public void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth) { }}

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