尝试使用此代码在一个自定义对话框中获取/设置日期和时间:
CustomDateTimePicker.java
import android.app.Activity;
import android.app.Dialog;
import android.content.DialogInterface;
import android.view.Gravity;
import android.view.View;
import android.view.Window;
import android.widget.Button;
import android.widget.DatePicker;
import android.widget.FrameLayout;
import android.widget.LinearLayout;
import android.widget.TimePicker;
import android.widget.ViewSwitcher;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
public class CustomDateTimePicker implements View.OnClickListener {
private DatePicker datePicker;
private TimePicker timePicker;
private ViewSwitcher viewSwitcher;
private final int SET_DATE = 100, SET_TIME = 101, SET = 102, CANCEL = 103;
private Button btn_setDate, btn_setTime, btn_set, btn_cancel;
private Calendar calendar_date = null;
private Activity activity;
private ICustomDateTimeListener iCustomDateTimeListener = null;
private Dialog dialog;
private boolean is24HourView = true, isAutoDismiss = true;
private int selectedHour, selectedMinute;
public CustomDateTimePicker(Activity a,
ICustomDateTimeListener customDateTimeListener) {
activity = a;
iCustomDateTimeListener = customDateTimeListener;
dialog = new Dialog(activity);
dialog.setOnDismissListener(new DialogInterface.OnDismissListener() {
@Override
public void onDismiss(DialogInterface dialog) {
resetData();
}
});
dialog.requestWindowFeature(Window.FEATURE_NO_TITLE);
View dialogView = getDateTimePickerLayout();
dialog.setContentView(dialogView);
}
public View getDateTimePickerLayout() {
LinearLayout.LayoutParams linear_match_wrap = new LinearLayout.LayoutParams(
LinearLayout.LayoutParams.MATCH_PARENT,
LinearLayout.LayoutParams.MATCH_PARENT);
LinearLayout.LayoutParams linear_wrap_wrap = new LinearLayout.LayoutParams(
LinearLayout.LayoutParams.WRAP_CONTENT,
LinearLayout.LayoutParams.WRAP_CONTENT);
FrameLayout.LayoutParams frame_match_wrap = new FrameLayout.LayoutParams(
FrameLayout.LayoutParams.MATCH_PARENT,
FrameLayout.LayoutParams.WRAP_CONTENT);
LinearLayout.LayoutParams button_params = new LinearLayout.LayoutParams(
0, LinearLayout.LayoutParams.WRAP_CONTENT, 1.0f);
LinearLayout linear_main = new LinearLayout(activity);
linear_main.setLayoutParams(linear_match_wrap);
linear_main.setOrientation(LinearLayout.VERTICAL);
linear_main.setGravity(Gravity.CENTER);
LinearLayout linear_child = new LinearLayout(activity);
linear_child.setLayoutParams(linear_wrap_wrap);
linear_child.setOrientation(LinearLayout.VERTICAL);
LinearLayout linear_top = new LinearLayout(activity);
linear_top.setLayoutParams(linear_match_wrap);
btn_setDate = new Button(activity);
btn_setDate.setLayoutParams(button_params);
btn_setDate.setText("Set Date");
btn_setDate.setId(SET_DATE);
btn_setDate.setOnClickListener(this);
btn_setTime = new Button(activity);
btn_setTime.setLayoutParams(button_params);
btn_setTime.setText("Set Time");
btn_setTime.setId(SET_TIME);
btn_setTime.setOnClickListener(this);
linear_top.addView(btn_setDate);
linear_top.addView(btn_setTime);
viewSwitcher = new ViewSwitcher(activity);
viewSwitcher.setLayoutParams(frame_match_wrap);
datePicker = new DatePicker(activity);
timePicker = new TimePicker(activity);
timePicker.setOnTimeChangedListener(new TimePicker.OnTimeChangedListener() {
@Override
public void onTimeChanged(TimePicker view, int hourOfDay, int minute) {
selectedHour = hourOfDay;
selectedMinute = minute;
}
});
viewSwitcher.addView(timePicker);
viewSwitcher.addView(datePicker);
LinearLayout linear_bottom = new LinearLayout(activity);
linear_match_wrap.topMargin = 8;
linear_bottom.setLayoutParams(linear_match_wrap);
btn_set = new Button(activity);
btn_set.setLayoutParams(button_params);
btn_set.setText("Set");
btn_set.setId(SET);
btn_set.setOnClickListener(this);
btn_cancel = new Button(activity);
btn_cancel.setLayoutParams(button_params);
btn_cancel.setText("Cancel");
btn_cancel.setId(CANCEL);
btn_cancel.setOnClickListener(this);
linear_bottom.addView(btn_set);
linear_bottom.addView(btn_cancel);
linear_child.addView(linear_top);
linear_child.addView(viewSwitcher);
linear_child.addView(linear_bottom);
linear_main.addView(linear_child);
return linear_main;
}
public void showDialog() {
if (!dialog.isShowing()) {
if (calendar_date == null)
calendar_date = Calendar.getInstance();
selectedHour = calendar_date.get(Calendar.HOUR_OF_DAY);
selectedMinute = calendar_date.get(Calendar.MINUTE);
timePicker.setIs24HourView(is24HourView);
timePicker.setCurrentHour(selectedHour);
timePicker.setCurrentMinute(selectedMinute);
datePicker.updateDate(calendar_date.get(Calendar.YEAR),
calendar_date.get(Calendar.MONTH),
calendar_date.get(Calendar.DATE));
dialog.show();
btn_setDate.performClick();
}
}
public void setAutoDismiss(boolean isAutoDismiss) {
this.isAutoDismiss = isAutoDismiss;
}
public void dismissDialog() {
if (!dialog.isShowing())
dialog.dismiss();
}
public void setDate(Calendar calendar) {
if (calendar != null)
calendar_date = calendar;
}
public void setDate(Date date) {
if (date != null) {
calendar_date = Calendar.getInstance();
calendar_date.setTime(date);
}
}
public void setDate(int year, int month, int day) {
if (month < 12 && month >= 0 && day < 32 && day >= 0 && year > 100
&& year < 3000) {
calendar_date = Calendar.getInstance();
calendar_date.set(year, month, day);
}
}
public void setTimeIn24HourFormat(int hourIn24Format, int minute) {
if (hourIn24Format < 24 && hourIn24Format >= 0 && minute >= 0
&& minute < 60) {
if (calendar_date == null)
calendar_date = Calendar.getInstance();
calendar_date.set(calendar_date.get(Calendar.YEAR),
calendar_date.get(Calendar.MONTH),
calendar_date.get(Calendar.DAY_OF_MONTH), hourIn24Format,
minute);
is24HourView = true;
}
}
public void setTimeIn12HourFormat(int hourIn12Format, int minute,
boolean isAM) {
if (hourIn12Format < 13 && hourIn12Format > 0 && minute >= 0
&& minute < 60) {
if (hourIn12Format == 12)
hourIn12Format = 0;
int hourIn24Format = hourIn12Format;
if (!isAM)
hourIn24Format += 12;
if (calendar_date == null)
calendar_date = Calendar.getInstance();
calendar_date.set(calendar_date.get(Calendar.YEAR),
calendar_date.get(Calendar.MONTH),
calendar_date.get(Calendar.DAY_OF_MONTH), hourIn24Format,
minute);
is24HourView = false;
}
}
public void set24HourFormat(boolean is24HourFormat) {
is24HourView = is24HourFormat;
}
public interface ICustomDateTimeListener {
public void onSet(Dialog dialog, Calendar calendarSelected,
Date dateSelected, int year, String monthFullName,
String monthShortName, int monthNumber, int date,
String weekDayFullName, String weekDayShortName, int hour24,
int hour12, int min, int sec, String AM_PM);
public void onCancel();
}
@Override
public void onClick(View v) {
switch (v.getId()) {
case SET_DATE:
btn_setTime.setEnabled(true);
btn_setDate.setEnabled(false);
viewSwitcher.showNext();
break;
case SET_TIME:
btn_setTime.setEnabled(false);
btn_setDate.setEnabled(true);
viewSwitcher.showPrevious();
break;
case SET:
if (iCustomDateTimeListener != null) {
int month = datePicker.getMonth();
int year = datePicker.getYear();
int day = datePicker.getDayOfMonth();
calendar_date.set(year, month, day, selectedHour,
selectedMinute);
iCustomDateTimeListener.onSet(dialog, calendar_date,
calendar_date.getTime(), calendar_date
.get(Calendar.YEAR),
getMonthFullName(calendar_date.get(Calendar.MONTH)),
getMonthShortName(calendar_date.get(Calendar.MONTH)),
calendar_date.get(Calendar.MONTH), calendar_date
.get(Calendar.DAY_OF_MONTH),
getWeekDayFullName(calendar_date
.get(Calendar.DAY_OF_WEEK)),
getWeekDayShortName(calendar_date
.get(Calendar.DAY_OF_WEEK)), calendar_date
.get(Calendar.HOUR_OF_DAY),
getHourIn12Format(calendar_date
.get(Calendar.HOUR_OF_DAY)), calendar_date
.get(Calendar.MINUTE), calendar_date
.get(Calendar.SECOND), getAMPM(calendar_date));
}
if (dialog.isShowing() && isAutoDismiss)
dialog.dismiss();
break;
case CANCEL:
if (iCustomDateTimeListener != null)
iCustomDateTimeListener.onCancel();
if (dialog.isShowing())
dialog.dismiss();
break;
}
}
public static String convertDate(String date, String fromFormat,
String toFormat) {
try {
SimpleDateFormat simpleDateFormat = new SimpleDateFormat(fromFormat);
Date d = simpleDateFormat.parse(date);
Calendar calendar = Calendar.getInstance();
calendar.setTime(d);
simpleDateFormat = new SimpleDateFormat(toFormat);
simpleDateFormat.setCalendar(calendar);
date = simpleDateFormat.format(calendar.getTime());
} catch (Exception e) {
e.printStackTrace();
}
return date;
}
private String getMonthFullName(int monthNumber) {
Calendar calendar = Calendar.getInstance();
calendar.set(Calendar.MONTH, monthNumber);
SimpleDateFormat simpleDateFormat = new SimpleDateFormat("MMMM");
simpleDateFormat.setCalendar(calendar);
String monthName = simpleDateFormat.format(calendar.getTime());
return monthName;
}
private String getMonthShortName(int monthNumber) {
Calendar calendar = Calendar.getInstance();
calendar.set(Calendar.MONTH, monthNumber);
SimpleDateFormat simpleDateFormat = new SimpleDateFormat("MMM");
simpleDateFormat.setCalendar(calendar);
String monthName = simpleDateFormat.format(calendar.getTime());
return monthName;
}
private String getWeekDayFullName(int weekDayNumber) {
Calendar calendar = Calendar.getInstance();
calendar.set(Calendar.DAY_OF_WEEK, weekDayNumber);
SimpleDateFormat simpleDateFormat = new SimpleDateFormat("EEEE");
simpleDateFormat.setCalendar(calendar);
String weekName = simpleDateFormat.format(calendar.getTime());
return weekName;
}
private String getWeekDayShortName(int weekDayNumber) {
Calendar calendar = Calendar.getInstance();
calendar.set(Calendar.DAY_OF_WEEK, weekDayNumber);
SimpleDateFormat simpleDateFormat = new SimpleDateFormat("EE");
simpleDateFormat.setCalendar(calendar);
String weekName = simpleDateFormat.format(calendar.getTime());
return weekName;
}
private int getHourIn12Format(int hour24) {
int hourIn12Format = 0;
if (hour24 == 0)
hourIn12Format = 12;
else if (hour24 <= 12)
hourIn12Format = hour24;
else
hourIn12Format = hour24 - 12;
return hourIn12Format;
}
private String getAMPM(Calendar calendar) {
String ampm = (calendar.get(Calendar.AM_PM) == (Calendar.AM)) ? "AM"
: "PM";
return ampm;
}
private void resetData() {
calendar_date = null;
is24HourView = true;
}
public static String pad(int integerToPad) {
if (integerToPad >= 10 || integerToPad < 0)
return String.valueOf(integerToPad);
else
return "0" + String.valueOf(integerToPad);
}
}
在你的Activity中:
MainActivity.java:
public class MainActivity extends Activity{
CustomDateTimePicker custom;
Button btnEventDateTime;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
btnEventDateTime = ((Button) findViewById(R.id.btnEventDateTime));
custom = new CustomDateTimePicker(this,
new CustomDateTimePicker.ICustomDateTimeListener() {
@Override
public void onSet(Dialog dialog, Calendar calendarSelected,
Date dateSelected, int year, String monthFullName,
String monthShortName, int monthNumber, int date,
String weekDayFullName, String weekDayShortName,
int hour24, int hour12, int min, int sec,
String AM_PM) {
edtEventDateTime.setText("");
edtEventDateTime.setText(year
+ "-" + (monthNumber + 1) + "-" + calendarSelected.get(Calendar.DAY_OF_MONTH)
+ " " + hour24 + ":" + min
+ ":" + sec);
}
@Override
public void onCancel() {
}
});
custom.set24HourFormat(true);
custom.setDate(Calendar.getInstance());
btnEventDateTime.setOnClickListener(
new View.OnClickListener() {
@Override
public void onClick(View v) {
custom.showDialog();
}
});
}
}