i have successfully implemented datepicker in android my problem is i want to disable all dates in datepicker prior to 1 st dec 2014 how can that be done ,i tried looking for examples but they all provide examples to disable date prior to todays date
i have not implemented any code for disabling previous dates any working example would be good
thanks in advance
here is my code
import java.util.Calendar;
import android.app.DatePickerDialog;
import android.app.Dialog;
import android.os.Bundle;
import android.support.v7.app.ActionBarActivity;
import android.view.View;
import android.widget.Button;
import android.widget.DatePicker;
import android.widget.TextView;
import android.widget.Toast;
public class MainActivity extends ActionBarActivity {
/** Private members of the class */
private TextView pDisplayDate;
private Button pPickDate;
private int pYear;
private int pMonth;
private int pDay;
/** This integer will uniquely define the dialog to be used for displaying date picker.*/
static final int DATE_DIALOG_ID = 0;
/** Callback received when the user "picks" a date in the dialog */
private DatePickerDialog.OnDateSetListener pDateSetListener =
new DatePickerDialog.OnDateSetListener() {
public void onDateSet(DatePicker view, int year,
int monthOfYear, int dayOfMonth) {
pYear = year;
pMonth = monthOfYear + 1;
pDay = dayOfMonth;
// if (pMonth<10)
// pMonth='0'+pMonth;
// if (pDay<10)
// pDay='0'+pDay;
updateDisplay();
displayToast();
}
};
/** Updates the date in the Te
* xtView */
private void updateDisplay() {
String formattedMonth = "" + pMonth;
String formattedDayOfMonth = "" + pDay;
if(pMonth < 10){
formattedMonth = "0" + pMonth;
}
if(pDay < 10){
formattedDayOfMonth = "0" + pDay;
}
// searchText.setText(formattedDayOfMonth + "/" + formattedMonth + "/" + year);
pDisplayDate.setText(
new StringBuilder()
// // Month is 0 based so add 1
.append(pYear).append("-")
.append(formattedMonth).append("-")
.append(formattedDayOfMonth).append(" "));
}
/** Displays a notification when the date is updated */
private void displayToast() {
Toast.makeText(this, new StringBuilder().append("Date choosen is ").append(pDisplayDate.getText()), Toast.LENGTH_SHORT).show();
}
/** Called when the activity is first created. */
#Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
/** Capture our View elements */
pDisplayDate = (TextView) findViewById(R.id.displayDate);
pPickDate = (Button) findViewById(R.id.pickDate);
/** Listener for click event of the button */
pPickDate.setOnClickListener(new View.OnClickListener() {
#SuppressWarnings("deprecation")
public void onClick(View v) {
showDialog(DATE_DIALOG_ID);
}
});
/** Get the current date */
final Calendar cal = Calendar.getInstance();
pYear = cal.get(Calendar.YEAR);
pMonth = cal.get(Calendar.MONTH);
pDay = cal.get(Calendar.DAY_OF_MONTH);
/** Display the current date in the TextView */
updateDisplay();
}
/** Create a new dialog for date picker */
#Override
protected Dialog onCreateDialog(int id) {
switch (id) {
case DATE_DIALOG_ID:
return new DatePickerDialog(this,
pDateSetListener,
pYear, pMonth, pDay);
}
return null;
}
}
set Max date like this :
protected Dialog onCreateDialog(int id) {
switch (id) {
case DATE_DIALOG_ID:
DatePickerDialog dialog = new DatePickerDialog(mContext,
datePickerListener, myCalendar.get(Calendar.YEAR),
myCalendar.get(Calendar.MONTH), myCalendar
.get(Calendar.DAY_OF_MONTH));
dialog.getDatePicker().setMaxDate(new Date().getTime());
dialog.show();
}
return null;
}
done it might be helpful for someone can play with the if conditions accordingly
package com.example.datepicker;
import java.util.Calendar;
import android.app.Activity;
import android.app.DatePickerDialog;
import android.app.Dialog;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.DatePicker;
import android.widget.TextView;
public class MainActivity extends Activity {
private TextView tvDisplayDate;
private Button btnChangeDate;
private int myear;
private int mmonth;
private int mday;
private int maxyear;
private int maxmonth;
private int maxday;
static final int DATE_DIALOG_ID = 999;
#Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
setCurrentDateOnView();
addListenerOnButton();
}
// display current date
public void setCurrentDateOnView() {
tvDisplayDate = (TextView) findViewById(R.id.tvDate);
final Calendar c = Calendar.getInstance();
maxyear = c.get(Calendar.YEAR);
maxmonth = c.get(Calendar.MONTH);
maxday = c.get(Calendar.DAY_OF_MONTH);
myear = 2014;
mmonth = 12;
mday = 31;
String formattedMonth = "" + mmonth;
String formattedDayOfMonth = "" + mday;
// set selected date into textview
if(maxmonth < 10){
formattedMonth = "" + maxmonth + 1;
}
if(maxday < 10){
formattedDayOfMonth = "0" + maxday;
}
// set current date into textview
tvDisplayDate.setText(new StringBuilder()
// Month is 0 based, just add 1
.append(formattedMonth).append("-").append(formattedDayOfMonth).append("-")
.append(maxyear).append(" "));
}
public void addListenerOnButton() {
btnChangeDate = (Button) findViewById(R.id.btnChangeDate);
btnChangeDate.setOnClickListener(new OnClickListener() {
#Override
public void onClick(View v) {
showDialog(DATE_DIALOG_ID);
}
});
}
#Override
protected Dialog onCreateDialog(int id) {
switch (id) {
case DATE_DIALOG_ID:
// set date picker as current date
DatePickerDialog _date = new DatePickerDialog(this, datePickerListener, maxyear,maxmonth,
maxday){
#Override
public void onDateChanged(DatePicker view, int year, int monthOfYear, int dayOfMonth)
{
if (year < 2014)
view.updateDate(2014, mmonth, mday);
if (monthOfYear < 12 && year == 2014)
view.updateDate(2014, 12, mday);
if (dayOfMonth < 31 && year == 2014 && monthOfYear == 12)
view.updateDate(2014, 12, 31);
if (year > maxyear)
view.updateDate(maxyear, maxmonth, maxday);
if (monthOfYear > maxmonth && year == maxyear)
view.updateDate(maxyear, maxmonth, maxday);
if (dayOfMonth > maxday && year == maxyear && monthOfYear == maxmonth)
view.updateDate(maxyear, maxmonth, maxday);
}
};
return _date;
}
return null;
}
private DatePickerDialog.OnDateSetListener datePickerListener = new DatePickerDialog.OnDateSetListener() {
// when dialog box is closed, below method will be called.
public void onDateSet(DatePicker view, int selectedYear,
int selectedMonth, int selectedDay) {
myear = selectedYear;
mmonth = selectedMonth;
mday = selectedDay;
String formattedMonth = "" + mmonth;
String formattedDayOfMonth = "" + mday;
// set selected date into textview
if(mmonth < 10){
formattedMonth = "" + mmonth + 1;
}
if(mday < 10){
formattedDayOfMonth = "0" + mday;
}
tvDisplayDate.setText(new StringBuilder().append(formattedMonth)
.append("-").append(formattedDayOfMonth).append("-").append(myear)
.append(" "));
}
};
}
Related
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Closed 2 years ago.
I have been trying to find the difference between two dates from date picker. My app is getting crashed for null point object exception.
java.lang.NullPointerException: Attempt to invoke virtual method 'long java.util.Date.getTime()' on a null object reference
package com.cksapp.dateformat;
import androidx.appcompat.app.AppCompatActivity;
import android.app.DatePickerDialog;
import android.graphics.Color;
import android.graphics.drawable.ColorDrawable;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.DatePicker;
import android.widget.TextView;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.TimeZone;
import java.util.concurrent.TimeUnit;
import static java.util.Calendar.YEAR;
public class MainActivity extends AppCompatActivity {
TextView t1, t2, t3, t4, difference;
Button b1;
Date datefrom, dateOne;
Date dateto, dateTwo;
Date d1, d2;
private DatePickerDialog.OnDateSetListener mDate1;
private DatePickerDialog.OnDateSetListener mDate2;
private Object Date;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
t1 = findViewById(R.id.textView);
t2 = findViewById(R.id.textView2);
t3 = findViewById(R.id.textView3);
t4 = findViewById(R.id.textView4);
difference = findViewById(R.id.textView7);
b1 = findViewById(R.id.button);
t1.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
Calendar c = Calendar.getInstance();
int year = c.get(YEAR);
int month = c.get(Calendar.MONTH);
int day = c.get(Calendar.DAY_OF_MONTH);
DatePickerDialog dialog = new DatePickerDialog(MainActivity.this,
android.R.style.Theme_Holo_Dialog_MinWidth,
mDate1,
year,month,day);
//Date dateOne = c.getTime();
dialog.getWindow().setBackgroundDrawable(new ColorDrawable(Color.TRANSPARENT));
dialog.show();
}
});
mDate1 = new DatePickerDialog.OnDateSetListener() {
#Override
public void onDateSet(DatePicker view, int year, int month, int dayOfMonth) {
month = month + 1;
String datefrom = month + "/" + dayOfMonth + "/" + year;
t2.setText(datefrom);
}
};
//next
t3.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
Calendar c = Calendar.getInstance();
int year = c.get(YEAR);
int month = c.get(Calendar.MONTH);
int day = c.get(Calendar.DAY_OF_MONTH);
DatePickerDialog dialog = new DatePickerDialog(MainActivity.this,
android.R.style.Theme_Holo_Dialog_MinWidth,
mDate2,
year,month,day);
dialog.getWindow().setBackgroundDrawable(new ColorDrawable(Color.TRANSPARENT));
dialog.show();
}
});
mDate2 = new DatePickerDialog.OnDateSetListener() {
#Override
public void onDateSet(DatePicker view, int year, int month, int dayOfMonth) {
month = month + 1;
String dateto = month + "/" + dayOfMonth + "/" + year;
t4.setText(dateto);
}
};
b1.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
//This is where I tried performing subtraction but it didn't work
long diff = dateto.getTime() - datefrom.getTime();
difference.setText((int) diff);
}
});
}
}
By putting String in front of dateto, you've made it a declaration of a local variable rather than a reference to the instance variable (that you're trying to access later). So it will forever be null. Change:
String dateto = month + "/" + dayOfMonth + "/" + year;
to
dateto = new Date(month, dayOfMonth, year); // no "String"
However, the Date constructor is deprecated and using Date is strongly discouraged, so you should really use something like:
import java.time.LocalDate;
import java.time.Instant;
import java.time.ZoneOffset;
//...
Instant dateto;
//...
LocalDate localDate = LocalDate.of(month, dayOfMonth, year);
dateto = localDate.atStartOfDay(ZoneOffset.UTC).toInstant();
Never mind, I figured out the answer using joda library
I have made it with different UI, joda library dependancy is included in build.gradle. It worked perfect.
package com.cksapp.newdateformat;
import androidx.appcompat.app.AppCompatActivity;
import android.app.DatePickerDialog;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.DatePicker;
import android.widget.TextView;
import android.widget.Toast;
import net.danlew.android.joda.JodaTimeAndroid;
import org.joda.time.DateMidnight;
import org.joda.time.DateTime;
import org.joda.time.Days;
import org.joda.time.LocalDate;
import org.joda.time.Period;
import org.joda.time.PeriodType;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import static org.joda.time.Days.daysBetween;
public class MainActivity extends AppCompatActivity {
TextView t1, t2, t3, t4, today;
Button b1, b2, b3;
String date1, date2, todaydate;
int daysy, daysm, daysd, daysss;
DatePickerDialog.OnDateSetListener dateSetListener;
DatePickerDialog.OnDateSetListener dateSetListener2;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
JodaTimeAndroid.init(this);
today = findViewById(R.id.today);
t1 = findViewById(R.id.starttext);
t2 = findViewById(R.id.endtext);
t3 = findViewById(R.id.daystext);
t4 = findViewById(R.id.daysinyears);
b1 = findViewById(R.id.startbutton);
b2 = findViewById(R.id.endbutton);
b3 = findViewById(R.id.calculatebutton);
Calendar c = Calendar.getInstance();
final int year = c.get(Calendar.YEAR);
final int month = c.get(Calendar.MONTH);
final int day = c.get(Calendar.DAY_OF_MONTH);
SimpleDateFormat sdf = new SimpleDateFormat("dd/MM/yyyy");
todaydate = sdf.format(Calendar.getInstance().getTime());
today.setText("Today is " + todaydate);
b1.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
DatePickerDialog datePickerDialog = new DatePickerDialog(v.getContext(),dateSetListener,year,month,day);
datePickerDialog.getDatePicker().setMaxDate(new Date().getTime());
datePickerDialog.show();
}
});
dateSetListener = new DatePickerDialog.OnDateSetListener() {
#Override
public void onDateSet(DatePicker view, int year, int month, int dayOfMonth) {
month = month + 1;
date1 = dayOfMonth + "/" + month + "/" + year;
t1.setText(date1);
}
};
b2.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
DatePickerDialog datePickerDialog2 = new DatePickerDialog(v.getContext(),dateSetListener2,year,month,day);
datePickerDialog2.getDatePicker().setMaxDate(new Date().getTime());
datePickerDialog2.show();
}
});
dateSetListener2 = new DatePickerDialog.OnDateSetListener() {
#Override
public void onDateSet(DatePicker view, int year, int month, int dayOfMonth) {
month = month + 1;
date2 = dayOfMonth + "/" + month + "/" + year;
t2.setText(date2);
}
};
b3.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
if(date1 == null || date2 == null){
Toast.makeText(getApplicationContext(), "Please enter the date field(s)",Toast.LENGTH_SHORT).show();
}
else {
SimpleDateFormat sdf1 = new SimpleDateFormat("dd/MM/yyyy");
try {
Date d1 = sdf1.parse(date1);
Date d2 = sdf1.parse(date2);
long fromdate = d1.getTime();
long todate = d2.getTime();
Period p = new Period(fromdate, todate, PeriodType.yearMonthDay());
int years = p.getYears();
int months = p.getMonths();
int days = p.getDays();
t4.setText(years + " years" + months + " months" + days + " days");
int diff = (int) (d2.getTime() - d1.getTime());
int YO = diff/86400000;
//Log.d("Days", String.valueOf(diff));
t3.setText(String.valueOf(YO));
} catch (ParseException e) {
e.printStackTrace();
}
}}
});
}
}
I am using TimePicker for selecting time, and I want to set minimum time in picker to limit user from choosing past time.Is there any way to achieve that?
Create a xml file and name it activity_time_picker.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<TimePicker
android:id="#+id/timePicker1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="#+id/layoutHourMinute"
android:layout_centerInParent="true"
/>
</RelativeLayout>
Now create activity class like this
import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.List;
import android.annotation.SuppressLint;
import android.content.pm.ActivityInfo;
import android.os.Bundle;
import android.view.View;
import android.view.Window;
import android.widget.NumberPicker;
import android.widget.TimePicker;
public class TimePickerActivity extends Activity {
TimePicker timePicker;
private int TIME_PICKER_INTERVAL = 15;
NumberPicker minutePicker;
List<String> displayedValues;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
setContentView(R.layout.activity_time_picker);
super.onCreate(savedInstanceState);
timePicker = (TimePicker)findViewById(R.id.timePicker1);
timePicker.setIs24HourView(true);
timePicker.setCurrentHour(0);
timePicker.setCurrentMinute(0);
setTimePickerInterval(timePicker);
}
#SuppressLint("NewApi")
private void setTimePickerInterval(TimePicker timePicker) {
try {
Class<?> classForid = Class.forName("com.android.internal.R$id");
// Field timePickerField = classForid.getField("timePicker");
Field field = classForid.getField("minute");
minutePicker = (NumberPicker) timePicker
.findViewById(field.getInt(null));
minutePicker.setMinValue(0);
minutePicker.setMaxValue(3);
displayedValues = new ArrayList<String>();
for (int i = 0; i < 60; i += TIME_PICKER_INTERVAL) {
displayedValues.add(String.format("%02d", i));
}
// for (int i = 0; i < 60; i += TIME_PICKER_INTERVAL) {
// displayedValues.add(String.format("%02d", i));
// }
minutePicker.setDisplayedValues(displayedValues
.toArray(new String[0]));
minutePicker.setWrapSelectorWheel(true);
} catch (Exception e) {
e.printStackTrace();
}
}
}
Hey use this create a DatePicker fragment as below :
public class DatePickerFragment1 extends DialogFragment {
DatePickerDialog.OnDateSetListener ondateSet;
private int year, month, day;
public DatePickerFragment1() {}
public void setCallBack(DatePickerDialog.OnDateSetListener ondate) {
ondateSet = ondate;
}
#SuppressLint("NewApi")
#Override
public void setArguments(Bundle args) {
super.setArguments(args);
year = args.getInt("year");
month = args.getInt("month");
day = args.getInt("day");
}
#Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
final 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 dpd = new DatePickerDialog(getActivity(),AlertDialog.THEME_DEVICE_DEFAULT_LIGHT,ondateSet,year, month, day);
DatePicker dp = dpd.getDatePicker();
//here it gets the current time and subtracts the time of min date in my case
//I have selected 3months from current time
dp.setMinDate(System.currentTimeMillis() - 5184000000L);
c.add(Calendar.DAY_OF_MONTH, 60);
//current time as max date so it will be displayed as you enter date dialog
dp.setMaxDate(System.currentTimeMillis());
return dpd;
}
}
Then in your fragment or activity call it as :
DatePickerFragment1 date = new DatePickerFragment1();
/**
* Set Up Current Date Into dialog
*/
Calendar calender = Calendar.getInstance();
Bundle args = new Bundle();
args.putInt("year", calender.get(Calendar.YEAR));
args.putInt("month", calender.get(Calendar.MONTH));
args.putInt("day", calender.get(Calendar.DAY_OF_MONTH));
date.setArguments(args);
/**
* Set Call back to capture selected date
*/
date.setCallBack(ondate1);
date.show(getActivity().getFragmentManager(), "Date Picker");
}
public String checkDigit(int number) {
return number <= 9 ? "0" + number : String.valueOf(number);
}
DatePickerDialog.OnDateSetListener ondate1 = new DatePickerDialog.OnDateSetListener() {
public void onDateSet(DatePicker view, int year, int monthOfYear,
int dayOfMonth) {
etDatePurchase.setText(String.valueOf(checkDigit(dayOfMonth)) + "/" + String.valueOf(checkDigit(monthOfYear + 1))
+ "/" + String.valueOf(year));
}
};
I have this code where when I picked a date it only shows on toast, is there any way for it to be inserted in my EditText? Here is my code.
package com.example.kun.carkila;
import android.app.DatePickerDialog;
import android.app.Dialog;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.view.View;
import android.widget.DatePicker;
import android.widget.EditText;
import android.widget.Spinner;
import android.widget.Toast;
import java.util.Calendar;
public class RegisterActivity extends AppCompatActivity {
EditText etFirstname, etMiddlename, etLastname, etBirthDate, etAddress, etUsername, etPassword;
Spinner spRole;
int year_x,month_x,day_x;
static final int DIALOG_ID = 0;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_register);
showDialogOnButtonClick();
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
final Calendar cal = Calendar.getInstance();
year_x = cal.get(Calendar.YEAR);
month_x = cal.get(Calendar.MONTH);
day_x = cal.get(Calendar.DAY_OF_MONTH);
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
}
public void showDialogOnButtonClick(){
etBirthDate = (EditText)findViewById(R.id.etBirthDate);
etBirthDate.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
showDialog(DIALOG_ID);
}
});
}
#Override
protected Dialog onCreateDialog(int id) {
if(id == DIALOG_ID) {
return new DatePickerDialog(this, dpListener, year_x, month_x, day_x);
}
return null;
}
DatePickerDialog.OnDateSetListener dpListener
= new DatePickerDialog.OnDateSetListener() {
#Override
public void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth) {
year_x = year;
month_x = monthOfYear;
day_x = dayOfMonth;
Toast.makeText(RegisterActivity.this, year_x + "/" + month_x + "/" + day_x,Toast.LENGTH_SHORT).show();
}
};
}
And yes I set my EditText clickable to show the datepicker lol. Can i instert the date picked where I can also click on my EditText? Thank you for the help :D
Remove the toast :
Toast.makeText(RegisterActivity.this, year_x + "/" + month_x + "/" + day_x,Toast.LENGTH_SHORT).show();
then set date in edittext :
etBirthDate.setText(year_x + "/" + month_x + "/" + day_x);
This should work
#Override
public void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth) {
year_x = year;
month_x = monthOfYear;
day_x = dayOfMonth;
etBirthDate.setText(year_x + "/" + month_x + "/" + day_x);
}
};
I have to show calender using DatePickerDialog.
The below code is used:
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.TimeZone;
import android.app.Activity;
import android.app.AlarmManager;
import android.app.DatePickerDialog;
import android.app.Dialog;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.CalendarView;
import android.widget.DatePicker;
import android.widget.DatePicker.OnDateChangedListener;
import android.widget.TextView;
import android.widget.Toast;
public class DatePickerExample extends Activity {
private TextView Output;
private Button changeDate;
private Boolean mEnableNativeCalGridView = null;
String timeZone;
public static TimeZone tz;
private int year;
private int month;
DatePickerDialog d;
public Calendar c;
SimpleDateFormat sdf;
private int day;
public static IntentFilter s_intentFilter;
static final int DATE_PICKER_ID = 1111;
static{
s_intentFilter = new IntentFilter();
s_intentFilter.addAction(Intent.ACTION_TIME_TICK);
s_intentFilter.addAction(Intent.ACTION_TIMEZONE_CHANGED);
s_intentFilter.addAction(Intent.ACTION_TIME_CHANGED);
}
#Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
registerReceiver(m_timeChangedReceiver, s_intentFilter);
Output = (TextView) findViewById(R.id.Output);
changeDate = (Button) findViewById(R.id.changeDate);
// sdf = new SimpleDateFormat("EEE, MMM d, ''yy");//Wed, Jul 4, '01
// Show current date
Output.setText(new StringBuilder()
// Month is 0 based, just add 1
.append(month + 1).append("-").append(day).append("-")
.append(year).append(" "));
// Button listener to show date picker dialog
changeDate.setOnClickListener(new OnClickListener() {
#SuppressWarnings("deprecation")
#Override
public void onClick(View v) {
// On button click show datepicker dialog
showDialog(DATE_PICKER_ID);
}
});
}
#Override
protected void onPrepareDialog(int id, Dialog dialog) {
switch (id) {
case DATE_PICKER_ID:
((DatePickerDialog) dialog).updateDate(
c.get(Calendar.YEAR),
c.get(Calendar.MONTH),
c.get(Calendar.DAY_OF_MONTH));
}
}
#Override
protected Dialog onCreateDialog(int id) {
switch (id) {
case DATE_PICKER_ID:
// open datepicker dialog.
// set date picker for current date
// add pickerListener listner to date picker
sdf = new SimpleDateFormat("EEE MMM dd HH:mm:ss z yyyy");
tz = TimeZone.getDefault();
System.out.println("TimeZone "+tz.getDisplayName(false, TimeZone.SHORT)+" Timezon id :: " +tz.getID());
timeZone = tz.getDisplayName(false, TimeZone.SHORT);
c= Calendar.getInstance();
c.setTimeZone(tz);
year = c.get(Calendar.YEAR);
month = c.get(Calendar.MONTH);
day = c.get(Calendar.DAY_OF_MONTH);
d = new DatePickerDialog(DatePickerExample.this, pickerListener, year, month,day);
setMinMaxdate();
return d;
}
return null;
}
////////////////////Fix for issue on OS 5.1 //////////////////////
public long getDateFormatted(String date){
String givenDateString = date;
long timeInMilliseconds = 0;
try {
Date mDate = sdf.parse(givenDateString);
timeInMilliseconds = mDate.getTime();
System.out.println("Date in milli :: " + timeInMilliseconds);
} catch (ParseException e) {
e.printStackTrace();
}
return timeInMilliseconds;
}
//////////////////////////////////////////
private DatePicker.OnDateChangedListener newchange= new OnDateChangedListener(){
#Override
public void onDateChanged(DatePicker view,
int year, int monthOfYear,int dayOfMonth) {
Toast.makeText(getApplicationContext(),
"onDateChanged", Toast.LENGTH_SHORT).show();
}};
DatePicker datePicker;
public void setMinMaxdate() {
//Time zone calculation
//TimeZone.setDefault(tz);
///////////////////////
long calEvtEndDate= getDateFormatted("Sun May 31 23:59:59 "+timeZone+" 2015");//System.currentTimeMillis();
long calEvtStartDate= getDateFormatted("Wed May 13 00:00:00 "+timeZone+" 2015");//System.currentTimeMillis()/2;
// long calEvtEndDate = getDateFormatted("Sun, may 31, '15");
//long calEvtStartDate = getDateFormatted("Wed, may 13, '15");
if(d != null){
datePicker = d.getDatePicker();
if(mEnableNativeCalGridView != null){
datePicker.setCalendarViewShown(mEnableNativeCalGridView.booleanValue());
}
// If Start Date is Greater than End Date then we are showing from valid StartDate
// value and we are not setting the maxdate.
if (calEvtStartDate > calEvtEndDate) {
datePicker.setMinDate(calEvtStartDate);
} else {
if (calEvtStartDate > 0) { // If Only ValidStart date is provided, then setting the minDate.
datePicker.setMinDate(calEvtStartDate);
}
if (calEvtEndDate > 0) { // If Only ValidEnd date is provided, then setting the maxDate.
datePicker.setMaxDate(calEvtEndDate);
}
}
}
}
#Override
protected void onResume() {
// TODO Auto-generated method stub
super.onResume();
System.out.println("-------resumed");
}
public DatePickerDialog.OnDateSetListener pickerListener = new DatePickerDialog.OnDateSetListener() {
// when dialog box is closed, below method will be called.
#Override
public void onDateSet(DatePicker view, int selectedYear,
int selectedMonth, int selectedDay) {
//view.updateDate(year, month, day);
System.out.println("---------------datesetchange");
year = selectedYear;
month = selectedMonth;
day = selectedDay;
// Show selected date
Output.setText(new StringBuilder().append(month + 1)
.append("-").append(day).append("-").append(year)
.append(" "));
}
};
public void onDestroy() {
super.onDestroy();
unregisterReceiver(m_timeChangedReceiver);
}
private final BroadcastReceiver m_timeChangedReceiver = new BroadcastReceiver() {
#Override
public void onReceive(Context context, Intent intent) {
final String action = intent.getAction();
if (action.equals(Intent.ACTION_TIME_CHANGED) ||
action.equals(Intent.ACTION_TIMEZONE_CHANGED))
{
System.out.println("timezone changed---"+action.toString());
tz = TimeZone.getDefault();
System.out.println("TimeZone "+tz.getDisplayName(false, TimeZone.SHORT)+" Timezon id :: " +tz.getID());
timeZone = tz.getDisplayName(false, TimeZone.SHORT);
// Intent intent1 = getIntent();
// finish();
// startActivity(intent1);
showDialog(DATE_PICKER_ID);
}
}
};
}
When the app is running, I go to the settings and change the Timezone to such a value so that the current date will change. Now when we select any date in the dialog, it behaves abnormally and goes to other date. I have used setMinDate() and setMaxDate() methods. This happens only in Android OS 5.1.
Any idea or help? Thanks in advance.
for first time i found the code to show datetimepicker in android (showing year, and month only), but i really confuse how to show only year in my datetime picker, can anyone help me? cause i'm newbie in programming
package com.example.datepicker;
import java.lang.reflect.Field;
import java.util.Calendar;
import android.app.Activity;
import android.app.DatePickerDialog;
import android.app.Dialog;
import android.app.DatePickerDialog.OnDateSetListener;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.DatePicker;
import android.widget.EditText;
public class MainActivity extends Activity {
static final int DATE_DIALOG_ID = 1;
private int mYear;
private int mMonth;
private int mDay;
private EditText etPickADate;
#Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
etPickADate = (EditText) findViewById(R.id.et_datePicker);
etPickADate.setOnClickListener(new OnClickListener()
{
#Override
public void onClick(View arg0)
{
showDialog(DATE_DIALOG_ID);
}
});
final Calendar c = Calendar.getInstance();
mYear = c.get(Calendar.YEAR);
mMonth = c.get(Calendar.MONTH);
}
DatePickerDialog.OnDateSetListener mDateSetListner = new OnDateSetListener()
{
#Override
public void onDateSet(DatePicker view, int year, int monthOfYear,
int dayOfMonth)
{
mYear = year;
mMonth = monthOfYear;
mDay = dayOfMonth;
updateDate();
}
};
#Override
protected Dialog onCreateDialog(int id)
{
switch (id)
{
case DATE_DIALOG_ID:
/*
* return new DatePickerDialog(this, mDateSetListner, mYear, mMonth,
* mDay);
*/
DatePickerDialog datePickerDialog = this.customDatePicker();
return datePickerDialog;
}
return null;
}
protected void updateDate() {
int localMonth = (mMonth + 1);
String monthString = localMonth < 10 ? "0" + localMonth : Integer
.toString(localMonth);
String localYear = Integer.toString(mYear).substring(2);
etPickADate.setText(new StringBuilder()
// Month is 0 based so add 1
.append(monthString).append("/").append(localYear).append(" "));
showDialog(DATE_DIALOG_ID);
}
private DatePickerDialog customDatePicker()
{
DatePickerDialog dpd = new DatePickerDialog(this, mDateSetListner, mYear, mMonth, mDay);
try {
Field[] datePickerDialogFields = dpd.getClass().getDeclaredFields();
for (Field datePickerDialogField : datePickerDialogFields)
{
if (datePickerDialogField.getName().equals("mDatePicker"))
{
datePickerDialogField.setAccessible(true);
DatePicker datePicker = (DatePicker) datePickerDialogField.get(dpd);
Field datePickerFields[] = datePickerDialogField.getType().getDeclaredFields();
for (Field datePickerField : datePickerFields)
{
if ("mDayPicker".equals(datePickerField.getName())||"mDaySpinner".equals(datePickerField
.getName()))
{
datePickerField.setAccessible(true);
Object dayPicker = new Object();
dayPicker = datePickerField.get(datePicker);
((View) dayPicker).setVisibility(View.GONE);
}
}
}
}
}
catch (Exception ex)
{}
return dpd;
}
}
and Thank u who can help me :D
To show only year in DatePickerDialog you also need to set Visibility GONE for Month NumberPicker using reflection. do it as:
if ("mDayPicker".equals(datePickerField.getName())
||"mDaySpinner".equals(datePickerField.getName()))
{
datePickerField.setAccessible(true);
Object dayPicker = new Object();
dayPicker = datePickerField.get(datePicker);
((View) dayPicker).setVisibility(View.GONE);
}else if("mMonthPicker".equals(datePickerField.getName())){
// to hide month picker
datePickerField.setAccessible(true);
Object monthPicker = new Object();
monthPicker = datePickerField.get(datePicker);
((View) monthPicker).setVisibility(View.GONE);
}