我正在尝试使用两个日期和时间选择器（如fromdate和To date）获取所选日期。如果我从日期中选择，我可以将fromdate添加到textview。但是，如果我选择第二个datepicker（todate）更新相同的textview（Fromdate textview）。
public class F2Activity extends InfosoftActivity
{
private int mYear;
private int mMonth;
private int mDay;
private int mYear2;
private int mMonth2;
private int mDay2;
private TextView mDateDisplay;
private TextView mDateDisplay2;
private Button mPickDate;
private Button mPickDate2;
static final int DATE_DIALOG_ID = 0;
static final int DATE_DIALOG_IDD = 0;
public String AAA;
public String BBB;
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setTheme(android.R.style.Theme_Black);
setContentView(R.layout.activity_f2);
Button BtnView=(Button) findViewById(R.id.BtnView);
Button BtnDownload=(Button) findViewById(R.id.BtnDownload);
mDateDisplay = (TextView) findViewById(R.id.showMyDate);
mDateDisplay2 = (TextView) findViewById(R.id.showMyDatee);
mPickDate = (Button) findViewById(R.id.myDatePickerButton);
mPickDate2 = (Button) findViewById(R.id.myDatePickerButton2);
mPickDate.setOnClickListener(new View.OnClickListener()
{
public void onClick(View v) {
showDialog(DATE_DIALOG_ID);
}
});
// get the current date
final Calendar c = Calendar.getInstance();
mYear = c.get(Calendar.YEAR);
mMonth = c.get(Calendar.MONTH);
mDay = c.get(Calendar.DAY_OF_MONTH);
// display the current date
updateDisplay();
mPickDate2.setOnClickListener(new View.OnClickListener()
{
public void onClick(View v) {
showDialog(DATE_DIALOG_IDD);
}
});
// get the current date
final Calendar c2 = Calendar.getInstance();
mYear2 = c2.get(Calendar.YEAR);
mMonth2 = c2.get(Calendar.MONTH);
mDay2 = c2.get(Calendar.DAY_OF_MONTH);
// display the current date
updateDisplayTo();
private void updateDisplay()
{
this.mDateDisplay.setText(new StringBuilder()
// Month is 0 based so add 1
.append(mMonth + 1).append("-")
.append(mDay).append("-")
.append(mYear).append(" "));
}
private void updateDisplayTo()
{
this.mDateDisplay2.setText(
new StringBuilder()
// Month is 0 based so add 1
.append(mMonth2 + 1).append("-")
.append(mDay2).append("-")
.append(mYear2).append(" "));
}
private DatePickerDialog.OnDateSetListener mDateSetListener = new
DatePickerDialog.OnDateSetListener()
{
public void onDateSet(DatePicker view, int year,int monthOfYear, int dayOfMonth)
{
mYear = year;
mMonth = monthOfYear;
mDay = dayOfMonth;
updateDisplay();
}
};
@Override
protected Dialog onCreateDialog(int id) {
switch (id) {
case DATE_DIALOG_ID:
return new DatePickerDialog(this,
mDateSetListener,
mYear, mMonth, mDay);
}
return null;
}
private DatePickerDialog.OnDateSetListener mDateSetListener2 =new
DatePickerDialog.OnDateSetListener()
{
@Override
public void onDateSet(DatePicker view, int year, int
monthOfYear,
int dayOfMonth) {
// TODO Auto-generated method stub
mYear2 = year;
mMonth2 = monthOfYear;
mDay2 = dayOfMonth;
updateDisplayTo();
}
};
protected Dialog onCreateDialog2 (int id)
{
switch (id)
{
case DATE_DIALOG_IDD:
return new DatePickerDialog(this,
mDateSetListener2,
mYear2, mMonth2, mDay2);
}
return null;
}
}
答案 0 :(得分：1)
检查我亲自在我的代码中使用过...它对我有用..
public class StartEndActivity extends Activity implements OnClickListener {
/** Called when the activity is first created. */
Button btnFromDate;
Button btnToDate;
Button btnFromTime;
Button btnToTime;
Button btnStartEndBack;
Button btnStartEndDone;
TextView txtFrom;
TextView txtToDate;
CheckBox chAlldays;
private int mYear;
private int mMonth;
private int mDay;
private int mHour;
private int mMinute;
private int mEYear;
private int mEMonth;
private int mEDay;
private int mEHour;
private int mEMinute;
private int pStartHour, pEndHour;
static final int DATE_DIALOG_ID = 0;
static final int TIME_DIALOG_ID = 1;
static final int END_DATE_DIALOG_ID = 2;
static final int END_TIME_DIALOG_ID = 3;
boolean IsAllDay = false;
TimePickerDialog tc;
TimePickerDialog Etc;
String startDate;
String startTime;
String endDate;
String endTime;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.startendlayout);
btnToDate = (Button) findViewById(R.id.btnToDate);
btnToTime = (Button) findViewById(R.id.btnToTime);
btnFromDate = (Button) findViewById(R.id.btnFromDate);
btnFromTime = (Button) findViewById(R.id.btnFromTime);
btnStartEndBack = (Button) findViewById(R.id.btnStartEndBack);
btnStartEndDone = (Button) findViewById(R.id.btnStartEndDone);
txtToDate = (TextView) findViewById(R.id.txtTo);
txtFrom = (TextView) findViewById(R.id.txtFrom);
chAlldays = (CheckBox) findViewById(R.id.chAlldays);
btnToDate.setOnClickListener(this);
btnToTime.setOnClickListener(this);
chAlldays.setOnClickListener(this);
btnFromDate.setOnClickListener(this);
btnFromTime.setOnClickListener(this);
btnStartEndBack.setOnClickListener(this);
btnStartEndDone.setOnClickListener(this);
IsAllDay = Boolean.parseBoolean(getIntent().getSerializableExtra(
"IsAllDay").toString());
chAlldays.setChecked(IsAllDay);
/*final Calendar c = Calendar.getInstance();
mYear = c.get(Calendar.YEAR);
mMonth = c.get(Calendar.MONTH);
mDay = c.get(Calendar.DAY_OF_MONTH);
mHour = c.get(Calendar.HOUR);
mMinute = c.get(Calendar.MINUTE);
pStartHour = c.get(Calendar.HOUR_OF_DAY);
mEYear = c.get(Calendar.YEAR);
mEMonth = c.get(Calendar.MONTH);
mEDay = c.get(Calendar.DAY_OF_MONTH);
mEHour = c.get(Calendar.HOUR);
mEMinute = c.get(Calendar.MINUTE);
pEndHour = c.get(Calendar.HOUR_OF_DAY);*/
String stDate = null;
final Calendar c = Calendar.getInstance();
c.setTime(new Date(startDate + " " + startTime));
mYear = c.get(Calendar.YEAR);
mMonth = c.get(Calendar.MONTH);
mDay = c.get(Calendar.DAY_OF_MONTH);
mHour = c.get(Calendar.HOUR);
mMinute = c.get(Calendar.MINUTE);
pStartHour = c.get(Calendar.HOUR_OF_DAY);
mEYear = c.get(Calendar.YEAR);
mEMonth = c.get(Calendar.MONTH);
mEDay = c.get(Calendar.DAY_OF_MONTH);
mEHour = c.get(Calendar.HOUR);
mEMinute = c.get(Calendar.MINUTE);
pEndHour = c.get(Calendar.HOUR_OF_DAY);
if (stDate != null && stDate.length() > 0)
btnToTime.setText(stDate);
else {
Format formatter;
SimpleDateFormat df = new SimpleDateFormat("hh:mm");
Date d=null;
try {
d = df.parse(mHour + ":" + mMinute);
} catch (ParseException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
Calendar gc = new GregorianCalendar();
gc.setTime(d);
gc.add(Calendar.MINUTE, 30);
Date d2 = gc.getTime();
formatter = new SimpleDateFormat("hh:mm a");
String time = formatter.format(d2);
btnToTime.setText(time);
//venkat
Log.d("inide else--->", time);
}
}
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
v.getId();
Log.d("START END", "View ID" + v.getId());
if (v == btnFromDate) {
showDialog(DATE_DIALOG_ID);
} else if (v == btnFromTime) {
showDialog(TIME_DIALOG_ID);
} else if (v == btnToDate) {
showDialog(END_DATE_DIALOG_ID);
} else if (v == btnToTime) {
showDialog(END_TIME_DIALOG_ID);
}
switch (v.getId()) {
case R.id.chAlldays:
if (((CheckBox) v).isChecked()) {
btnToTime.setVisibility(View.GONE);
btnFromTime.setVisibility(View.GONE);
btnFromTime.setText("12:00 AM");
btnToTime.setText("11:59 PM");
} else {
btnToTime.setVisibility(View.VISIBLE);
btnFromTime.setVisibility(View.VISIBLE);
}
break;
case R.id.btnStartEndBack:
String location = new String();
location = "";
Intent backMeetingIntent = new Intent(this, NewMeeting.class);
backMeetingIntent.putExtra("2", location);
setResult(RESULT_OK, backMeetingIntent);
finish();
break;
case R.id.btnStartEndDone:
try {
String startDate = new String();
String startTime = new String();
String endDate = new String();
String endTime = new String();
IsAllDay = chAlldays.isChecked();
Intent insertIntent = new Intent(this, NewMeeting.class);
if (btnFromDate.getText() != null
&& btnFromDate.getText().toString().length() > 0)
startDate = btnFromDate.getText().toString();
if (btnFromTime.getText() != null
&& btnFromTime.getText().toString().length() > 0)
startTime = btnFromTime.getText().toString();
if (btnToDate.getText() != null
&& btnToDate.getText().toString().length() > 0)
endDate = btnToDate.getText().toString();
if (btnToTime.getText() != null
&& btnToTime.getText().toString().length() > 0)
endTime = btnToTime.getText().toString();
Date dateStart = null;
Date dateEnd = null;
if(chAlldays.isChecked()){
dateStart = new Date(startDate);
dateEnd = new Date(endDate);
}else{
dateStart = new Date(startDate + " " + startTime);
dateEnd = new Date(endDate + " " + endTime);
}
Log.d("GS startDate", dateStart+"");
Log.d("GS endDate", dateEnd+"");
//venkat
Calendar current = Calendar.getInstance();
int cHour = current.get(Calendar.HOUR);
int cMinute = current.get(Calendar.MINUTE);
//Log.d("currentTime in StartEndActivity--->",cHour+""+cMinute);
String time = currentTimeDisplay(cHour, cMinute);
//Log.d("selectedTime in StartEndActivity--->",btnFromTime.getText().toString());
Collator myCollator = Collator.getInstance();
Log.d("test in StartEndActivity--->", myCollator.compare(time, btnFromTime.getText().toString()) +"");
if (dateStart.equals(current.getTime())
|| dateEnd.equals(current.getTime())
|| dateStart.before(current.getTime())
|| dateEnd.before(current.getTime())) {
AlertDialog.Builder alertbox = new AlertDialog.Builder(this);
alertbox.setMessage("Start Date/Time should be greater than current Date/Time");
alertbox.setNeutralButton("Ok",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface arg0,
int arg1) {
}
});
alertbox.show();
}else if(dateStart.equals(dateEnd)){
AlertDialog.Builder alertbox = new AlertDialog.Builder(this);
alertbox.setMessage("Start and End Date/Time should not be same");
alertbox.setNeutralButton("Ok",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface arg0,
int arg1) {
}
});
alertbox.show();
} else if(dateStart.before(dateEnd)) {
insertIntent.putExtra("1", startDate);
insertIntent.putExtra("2", startTime);
insertIntent.putExtra("3", endDate);
insertIntent.putExtra("4", endTime);
insertIntent.putExtra("IsAllDay", IsAllDay);
setResult(RESULT_OK, insertIntent);
finish();
}else if(dateStart.after(dateEnd)){
AlertDialog.Builder alertbox = new AlertDialog.Builder(this);
alertbox.setMessage("End date/time should be greater than Start date/time");
alertbox.setNeutralButton("Ok",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface arg0,
int arg1) {
}
});
alertbox.show();
}
} catch (Exception e) {
e.printStackTrace();
}
}
}
//venkat
private String currentTimeDisplay(int hour, int minutes) {
try {
Format formatter;
SimpleDateFormat df = new SimpleDateFormat("hh:mm");
Date d = df.parse(hour + ":" + minutes);
Calendar gc = new GregorianCalendar();
gc.setTime(d);
gc.add(Calendar.HOUR, 0);
gc.add(Calendar.MINUTE,0);
Date d2 = gc.getTime();
formatter = new SimpleDateFormat("hh:mm a");
String time = formatter.format(d2);
Log.d("currentTime in StartEndActivity--->",time);
return time;
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
private void updateEndTimeDisplay() {
try {
Format formatter;
SimpleDateFormat df = new SimpleDateFormat("hh:mm");
Date d = df.parse(mEHour + ":" + mEMinute);
Calendar gc = new GregorianCalendar();
gc.setTime(d);
gc.add(Calendar.HOUR, 0);
Date d2 = gc.getTime();
formatter = new SimpleDateFormat("hh:mm a");
String time = formatter.format(d2);
btnToTime.setText(time);
} catch (Exception e) {
e.printStackTrace();
}
}
private void updateTimeDisplay() {
try {
Format formatter;
SimpleDateFormat df = new SimpleDateFormat("hh:mm");
Date d = df.parse(mHour + ":" + mMinute);
Calendar gc = new GregorianCalendar();
gc.setTime(d);
gc.add(Calendar.HOUR, 0);
Date d2 = gc.getTime();
formatter = new SimpleDateFormat("hh:mm a");
String time = formatter.format(d2);
btnFromTime.setText(time);
} catch (Exception e) {
e.printStackTrace();
}
}
private void updateEndDisplay() {
java.util.Date dt = new java.util.Date(mEYear - 1900, mEMonth, mEDay);
SimpleDateFormat dateFormatter = new SimpleDateFormat(
"EEE, MMM dd, yyyy");
btnToDate.setText(dateFormatter.format(dt));
}
private void updateStartDisplay() {
java.util.Date dt = new java.util.Date(mYear - 1900, mMonth, mDay);
SimpleDateFormat dateFormatter = new SimpleDateFormat(
"EEE, MMM dd, yyyy");
btnFromDate.setText(dateFormatter.format(dt));
}
private DatePickerDialog.OnDateSetListener mDateSetListener = new DatePickerDialog.OnDateSetListener() {
public void onDateSet(DatePicker view, int year, int monthOfYear,
int dayOfMonth) {
mYear = year;
mMonth = monthOfYear;
mDay = dayOfMonth;
updateStartDisplay();
}
};
private TimePickerDialog.OnTimeSetListener mTimeSetListener = new TimePickerDialog.OnTimeSetListener() {
public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
mHour = hourOfDay;
mMinute = minute;
if(mHour==12)
btnFromTime.setText(new StringBuilder().append("12").append(":").append(pad(minute)+" PM"));
else
updateTimeDisplay();
}
};
private DatePickerDialog.OnDateSetListener endDateSetListener = new DatePickerDialog.OnDateSetListener() {
public void onDateSet(DatePicker view, int year, int monthOfYear,
int dayOfMonth) {
mEYear = year;
mEMonth = monthOfYear;
mEDay = dayOfMonth;
updateEndDisplay();
}
};
private TimePickerDialog.OnTimeSetListener endTimeSetListener = new TimePickerDialog.OnTimeSetListener() {
public void onTimeSet(TimePicker view, int hourOfDay, int minute ) {
mEHour = hourOfDay;
mEMinute = minute;
if(mEHour==12)
btnToTime.setText(new StringBuilder().append("12").append(":").append(pad(minute)+" PM"));
else
updateEndTimeDisplay();
}
};
@Override
protected Dialog onCreateDialog(int id) {
switch (id) {
case DATE_DIALOG_ID:
return new DatePickerDialog(this, mDateSetListener, mYear, mMonth,
mDay);
case TIME_DIALOG_ID:
return new TimePickerDialog(this, mTimeSetListener, pStartHour, mMinute,
false);
case END_DATE_DIALOG_ID:
return new DatePickerDialog(this, endDateSetListener, mEYear,
mEMonth, mEDay);
case END_TIME_DIALOG_ID:
mEMinute+=30;
if(mEMinute>60){
pEndHour ++;
mEMinute = mEMinute-60;
}
return new TimePickerDialog(this, endTimeSetListener, pEndHour,
mEMinute, false);
}
return null;
}
public String pad(int c) {
if (c >= 10)
return String.valueOf(c);
else
return "0" + String.valueOf(c);
}
}
答案 1 :(得分：1)
如果要在应用程序中使用DatePicker显示多个日期，则无需使用两次DATE_DIALOG_ID。您只能使用一个并满足您的要求。我在这里贴了代码，希望它能帮到你。
在按钮中单击
btnFromDate.setOnClickListener(clkListener);
btnToDate.setOnClickListener(clkListener);
然后
public OnClickListener clkListener = new OnClickListener()
{
@Override
public void onClick(View v)
{
if(v == btnFromDate)
{
showDateDialog(editTextFromDate, Calendar.getInstance());
}
if(v == btnToDate)
{
showDateDialog(editTextToDate, Calendar.getInstance());
}
}
};
然后
EditText activeDateDisplay ;
Calendar activeDate;
public void showDateDialog(EditText dateDisplay, Calendar date)
{
activeDateDisplay = dateDisplay;
activeDate = date;
showDialog(DATE_DIALOG_ID);
}
然后
CharSequence strFormate_Date;
int DATE_DIALOG_ID = 0;
@Override
protected Dialog onCreateDialog(int id)
{
switch (id)
{
case DATE_DIALOG_ID:
{
return new DatePickerDialog(Activity.this, mDateSetListener, activeDate.get(Calendar.YEAR), activeDate.get(Calendar.MONTH), activeDate.get(Calendar.DAY_OF_MONTH));
}
}
return null;
}
private DatePickerDialog.OnDateSetListener mDateSetListener = new DatePickerDialog.OnDateSetListener()
{
public void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth)
{
activeDate.set(Calendar.YEAR, year);
activeDate.set(Calendar.MONTH, monthOfYear);
activeDate.set(Calendar.DAY_OF_MONTH, dayOfMonth);
updateDisplay(activeDateDisplay, activeDate);
unregisterDateDisplay();
}
};
private void unregisterDateDisplay()
{
activeDateDisplay = null;
activeDate = null;
strFormate_Date = null;
}
private void updateDisplay(EditText dateDisplay, Calendar date)
{
Time chosenDate = new Time();
chosenDate.set(date.get(Calendar.DAY_OF_MONTH), date.get(Calendar.MONTH), date.get(Calendar.YEAR));
long dtDob = chosenDate.toMillis(true);
strFormate_Date = DateFormat.format("dd/MM/yyyy", dtDob);
dateDisplay.setText(""+strFormate_Date);
}
我希望它能解决你的问题。如果你有任何问题，那么你可以问我。
答案 2 :(得分：0)
public class DateTimepickerActivity extends Activity {
/** Called when the activity is first created. */
Button btnFromDate=(Button) findViewById(R.id.btnFromDate) ;
Button btnToDate =(Button) findViewById(R.id.btnToDate);
EditText editTextFromDate=(EditText) findViewById(R.id.btnFromDate);
EditText editTextToDate = (EditText) findViewById(R.id.btnToDate);
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
btnFromDate.setOnClickListener(clkListener);
btnToDate.setOnClickListener(clkListener);
}
public OnClickListener clkListener = new OnClickListener()
{
@Override
public void onClick(View v)
{
if(v == btnFromDate)
{
showDateDialog(editTextFromDate, Calendar.getInstance());
}
if(v == btnToDate)
{
showDateDialog(editTextToDate, Calendar.getInstance());
}
}
};
EditText activeDateDisplay ;
Calendar activeDate;
public void showDateDialog(EditText dateDisplay, Calendar date)
{
activeDateDisplay = dateDisplay;
activeDate = date;
showDialog(DATE_DIALOG_ID);
}
CharSequence strFormate_Date;
int DATE_DIALOG_ID = 0;
@Override
protected Dialog onCreateDialog(int id)
{
switch (id)
{
case DATE_DIALOG_ID:
{
return new DatePickerDialog(Activity.this, mDateSetListener,
activeDate.get(Calendar.YEAR), activeDate.get(Calendar.MONTH),
activeDate.get(Calendar.DAY_OF_MONTH));
}
}
return null;
}
private DatePickerDialog.OnDateSetListener mDateSetListener = new
DatePickerDialog.OnDateSetListener()
{
public void onDateSet(DatePicker view, int year, int monthOfYear, int
dayOfMonth)
{
activeDate.set(Calendar.YEAR, year);
activeDate.set(Calendar.MONTH, monthOfYear);
activeDate.set(Calendar.DAY_OF_MONTH, dayOfMonth);
updateDisplay(activeDateDisplay, activeDate);
unregisterDateDisplay();
}
};
private void unregisterDateDisplay()
{
activeDateDisplay = null;
activeDate = null;
strFormate_Date = null;
}
private void updateDisplay(EditText dateDisplay, Calendar date)
{
Time chosenDate = new Time();
chosenDate.set(date.get(Calendar.DAY_OF_MONTH), date.get(Calendar.MONTH),
date.get(Calendar.YEAR));
long dtDob = chosenDate.toMillis(true);
strFormate_Date = DateFormat.format("dd/MM/yyyy", dtDob);
dateDisplay.setText(""+strFormate_Date);
}