Android Examples: January 2018

Output :

Create DateTime.Class File

package com.datetimedialog.datetimedialog;

/**

* Created by JAINISH on 1/31/2018.

import java.text.ParseException;

import java.text.SimpleDateFormat;

import java.util.Calendar;

import java.util.Date;

public class DateTime {

public static final String DATE_FORMAT = "yyyy-MM-dd HH:mm:ss";

private Date mDate;

private Calendar mCalendar;

/**

* Constructor with no parameters which will create DateTime

* Object with the current date and time

public DateTime() {

this(new Date());

}

/**

* Constructor with Date parameter which will initialize the

* object to the date specified

* @param date

public DateTime(Date date) {

mDate = date;

mCalendar = Calendar.getInstance();

mCalendar.setTime(mDate);

}

/**

* Constructor with DateFormat and DateString which will be

* used to initialize the object to the date string specified

* @param dateFormat String DateFormat

* @param dateString Date in String

public DateTime(String dateFormat, String dateString) {

mCalendar = Calendar.getInstance();

SimpleDateFormat mFormat = new SimpleDateFormat(dateFormat);

try {

mDate = mFormat.parse(dateString);

mCalendar.setTime(mDate);

} catch (ParseException e) {

e.printStackTrace();

}

/**

* Constructor with DateString formatted as default DateFormat

* defined in DATE_FORMAT variable

* @param dateString

public DateTime(String dateString) {

this(DATE_FORMAT, dateString);

}

/**

* Constructor with Year, Month, Day, Hour, Minute, and Second

* which will be use to set the date to

* @param year Year

* @param monthOfYear Month of Year

* @param dayOfMonth Day of Month

* @param hourOfDay Hour of Day

* @param minuteOfHour Minute

* @param secondOfMinute Second

public DateTime(int year, int monthOfYear, int dayOfMonth,

int hourOfDay, int minuteOfHour, int secondOfMinute) {

mCalendar = Calendar.getInstance();

mCalendar.set(year, monthOfYear, dayOfMonth, hourOfDay, minuteOfHour, secondOfMinute);

mDate = mCalendar.getTime();

}

/**

* Constructor with Year, Month Day, Hour, Minute which

* will be use to set the date to

* @param year Year

* @param monthOfYear Month of Year

* @param dayOfMonth Day of Month

* @param hourOfDay Hour of Day

* @param minuteOfHour Minute

public DateTime(int year, int monthOfYear, int dayOfMonth,

int hourOfDay, int minuteOfHour) {

this(year, monthOfYear, dayOfMonth, hourOfDay, minuteOfHour, 0);

}

/**

* Constructor with Date only (no time)

* @param year Year

* @param monthOfYear Month of Year

* @param dayOfMonth Day of Month

public DateTime(int year, int monthOfYear, int dayOfMonth) {

this(year, monthOfYear, dayOfMonth, 0,0,0);

}

public Date getDate() {

return mDate;

}

public Calendar getCalendar() {

return mCalendar;

}

public String getDateString(String dateFormat) {

SimpleDateFormat mFormat = new SimpleDateFormat(dateFormat);

return mFormat.format(mDate);

}

public String getDateString() {

return getDateString(DATE_FORMAT);

}

public int getYear() {

return mCalendar.get(Calendar.YEAR);

}

public int getMonthOfYear() {

return mCalendar.get(Calendar.MONTH);

}

public int getDayOfMonth() {

return mCalendar.get(Calendar.DAY_OF_MONTH);

}

public int getHourOfDay() {

return mCalendar.get(Calendar.HOUR_OF_DAY);

}

public int getMinuteOfHour() {

return mCalendar.get(Calendar.MINUTE);

}

public int getSecondOfMinute() {

return mCalendar.get(Calendar.SECOND);

}

Create DateTimePicker.class File

package com.datetimedialog.datetimedialog;

/**

* Created by JAINISH on 1/31/2018.

import android.app.Activity;

import android.app.AlertDialog;

import android.app.Dialog;

import android.content.Context;

import android.content.DialogInterface;

import android.os.Bundle;

import android.support.v4.app.DialogFragment;

import android.view.LayoutInflater;

import android.view.View;

import android.widget.DatePicker;

import android.widget.LinearLayout;

import android.widget.TabHost;

import android.widget.TimePicker;

import java.util.Date;

/**

* Created by Arman.Pagilagan on 15/05/14.

public class DateTimePicker extends DialogFragment {

public static final String TAG_FRAG_DATE_TIME = "fragDateTime";

private static final String KEY_DIALOG_TITLE = "dialogTitle";

private static final String KEY_INIT_DATE = "initDate";

private static final String TAG_DATE = "date";

private static final String TAG_TIME = "time";

private Context mContext;

private ButtonClickListener mButtonClickListener;

private OnDateTimeSetListener mOnDateTimeSetListener;

private Bundle mArgument;

private DatePicker mDatePicker;

private TimePicker mTimePicker;

// DialogFragment constructor must be empty

private boolean not_future = false;

private String value_select = null;

private LinearLayout date_content,time_content;

public DateTimePicker() {

}

@Override

public void onAttach(Activity activity) {

super.onAttach(activity);

mContext = activity;

mButtonClickListener = new ButtonClickListener();

}

/**

* @param dialogTitle Title of the DateTimePicker DialogFragment

* @param initDate Initial Date and Time set to the Date and Time Picker

* @return Instance of the DateTimePicker DialogFragment

public static DateTimePicker newInstance(CharSequence dialogTitle, Date initDate) {

// Create a new instance of DateTimePicker

DateTimePicker mDateTimePicker = new DateTimePicker();

// Setup the constructor parameters as arguments

Bundle mBundle = new Bundle();

mBundle.putCharSequence(KEY_DIALOG_TITLE, dialogTitle);

mBundle.putSerializable(KEY_INIT_DATE, initDate);

mDateTimePicker.setArguments(mBundle);

// Return instance with arguments

return mDateTimePicker;

}

public static DateTimePicker newInstance(CharSequence dialogTitle, Date initDate, boolean not_future, String value_select) {

// Create a new instance of DateTimePicker

DateTimePicker mDateTimePicker = new DateTimePicker();

// Setup the constructor parameters as arguments

Bundle mBundle = new Bundle();

mBundle.putCharSequence(KEY_DIALOG_TITLE, dialogTitle);

mBundle.putSerializable(KEY_INIT_DATE, initDate);

mDateTimePicker.setArguments(mBundle);

mDateTimePicker.not_future = not_future;

mDateTimePicker.value_select = value_select;

// Return instance with arguments

return mDateTimePicker;

}

@Override

public Dialog onCreateDialog(Bundle savedInstanceState) {

// Retrieve Argument passed to the constructor

mArgument = getArguments();

// Use an AlertDialog Builder to initially create the Dialog

AlertDialog.Builder mBuilder = new AlertDialog.Builder(mContext);

// Setup the Dialog

mBuilder.setTitle(mArgument.getCharSequence(KEY_DIALOG_TITLE));

mBuilder.setNegativeButton(android.R.string.no,mButtonClickListener);

mBuilder.setPositiveButton(android.R.string.yes,mButtonClickListener);

// Create the Alert Dialog

AlertDialog mDialog = mBuilder.create();

// Set the View to the Dialog

mDialog.setView(

createDateTimeView(mDialog.getLayoutInflater())

);

// Return the Dialog created

return mDialog;

}

/**

* Inflates the XML Layout and setups the tabs

* @param layoutInflater Layout inflater from the Dialog

* @return Returns a view that will be set to the Dialog

private View createDateTimeView(LayoutInflater layoutInflater) {

// Inflate the XML Layout using the inflater from the created Dialog

View mView = layoutInflater.inflate(R.layout.date_time_picker,null);

// Extract the TabHost

TabHost mTabHost = (TabHost) mView.findViewById(R.id.tab_host);

mTabHost.setup();

// // Create Date Tab and add to TabHost

// TabHost.TabSpec mDateTab = mTabHost.newTabSpec(TAG_DATE);

//// mDateTab.setIndicator(getString(R.string.tab_date));

// mDateTab.setIndicator("Date");

// mDateTab.setContent(R.id.date_content);

// mTabHost.addTab(mDateTab);

// // Create Time Tab and add to TabHost

// TabHost.TabSpec mTimeTab = mTabHost.newTabSpec(TAG_TIME);

//// mTimeTab.setIndicator(getString(R.string.tab_time));

// mTimeTab.setIndicator("Time");

// mTimeTab.setContent(R.id.time_content);

// mTabHost.addTab(mTimeTab);

// Retrieve Date from Arguments sent to the Dialog

DateTime mDateTime = new DateTime((Date) mArgument.getSerializable(KEY_INIT_DATE));

// Initialize Date and Time Pickers

mDatePicker = (DatePicker) mView.findViewById(R.id.date_picker);

if (not_future){

mDatePicker.setMaxDate(System.currentTimeMillis());

}

mTimePicker = (TimePicker) mView.findViewById(R.id.time_picker);

mDatePicker.init(mDateTime.getYear(), mDateTime.getMonthOfYear(),

mDateTime.getDayOfMonth(), null);

mTimePicker.setCurrentHour(mDateTime.getHourOfDay());

mTimePicker.setCurrentMinute(mDateTime.getMinuteOfHour());

date_content = (LinearLayout) mView.findViewById(R.id.date_content);

time_content = (LinearLayout) mView.findViewById(R.id.time_content);

//value_select start

if (value_select.equalsIgnoreCase(DateFormateclass.str_date_time)){

// Create Date Tab and add to TabHost

TabHost.TabSpec mDateTab = mTabHost.newTabSpec(TAG_DATE);

// mDateTab.setIndicator(getString(R.string.tab_date));

mDateTab.setIndicator("Date");

mDateTab.setContent(R.id.date_content);

mTabHost.addTab(mDateTab);

// Create Time Tab and add to TabHost

TabHost.TabSpec mTimeTab = mTabHost.newTabSpec(TAG_TIME);

// mTimeTab.setIndicator(getString(R.string.tab_time));

mTimeTab.setIndicator("Time");

mTimeTab.setContent(R.id.time_content);

mTabHost.addTab(mTimeTab);

}else if (value_select.equalsIgnoreCase(DateFormateclass.str_date)){

// Create Date Tab and add to TabHost

TabHost.TabSpec mDateTab = mTabHost.newTabSpec(TAG_DATE);

// mDateTab.setIndicator(getString(R.string.tab_date));

mDateTab.setIndicator("Date");

mDateTab.setContent(R.id.date_content);

mTabHost.addTab(mDateTab);

date_content.setVisibility(View.VISIBLE);

time_content.setVisibility(View.GONE);

}else if (value_select.equalsIgnoreCase(DateFormateclass.str_time)){

// Create Time Tab and add to TabHost

TabHost.TabSpec mTimeTab = mTabHost.newTabSpec(TAG_TIME);

// mTimeTab.setIndicator(getString(R.string.tab_time));

mTimeTab.setIndicator("Time");

mTimeTab.setContent(R.id.time_content);

mTabHost.addTab(mTimeTab);

date_content.setVisibility(View.GONE);

time_content.setVisibility(View.VISIBLE);

}

//value_select end

// Return created view

return mView;

}

/**

* Sets the OnDateTimeSetListener interface

* @param onDateTimeSetListener Interface that is used to send the Date and Time

* to the calling object

public void setOnDateTimeSetListener(OnDateTimeSetListener onDateTimeSetListener) {

mOnDateTimeSetListener = onDateTimeSetListener;

}

private class ButtonClickListener implements DialogInterface.OnClickListener {

@Override

public void onClick(DialogInterface dialogInterface, int result) {

// Determine if the user selected Ok

if(DialogInterface.BUTTON_POSITIVE == result) {

DateTime mDateTime = new DateTime(

mDatePicker.getYear(),

mDatePicker.getMonth(),

mDatePicker.getDayOfMonth(),

mTimePicker.getCurrentHour(),

mTimePicker.getCurrentMinute()

);

mOnDateTimeSetListener.DateTimeSet(mDateTime.getDate());

}

/**

* Interface for sending the Date and Time to the calling object

public interface OnDateTimeSetListener {

public void DateTimeSet(Date date);

}

Create Activity MainActivity.class File

package com.datetimedialog.datetimedialog;

import android.support.v7.app.AppCompatActivity;

import android.os.Bundle;

import android.view.View;

import android.widget.Button;

import android.widget.TextView;

import java.text.ParseException;

import java.util.Date;

public class MainActivity extends AppCompatActivity implements View.OnClickListener, DateTimePicker.OnDateTimeSetListener {

TextView txt_datetime,txt_date,txt_time;

Button btn_datetime,btn_date,btn_time;

String str;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

txt_datetime = findViewById(R.id.txt_datetime);

txt_date = findViewById(R.id.txt_date);

txt_time = findViewById(R.id.txt_time);

btn_datetime = findViewById(R.id.btn_datetime);

btn_date = findViewById(R.id.btn_date);

btn_time = findViewById(R.id.btn_time);

btn_datetime.setOnClickListener(this);

btn_date.setOnClickListener(this);

btn_time.setOnClickListener(this);

}

@Override

public void onClick(View view) {

switch (view.getId()){

case R.id.btn_datetime:

str = DateFormateclass.str_date_time;

getDateTime("");

break;

case R.id.btn_date:

str = DateFormateclass.str_date;

getDateTime("");

break;

case R.id.btn_time:

str = DateFormateclass.str_time;

getDateTime("");

break;

}

private void getDateTime(String str_date) {

Date date1 = null;

if (str_date != null && !str_date.equalsIgnoreCase("")){

try {

date1 = DateFormateclass.sdf_date.parse(str_date);

} catch (ParseException e) {

e.printStackTrace();

}

}else {

date1 = new Date();

}

if (str.equalsIgnoreCase(DateFormateclass.str_date_time)){

SimpleDateTimePicker simpleDateTimePicker = SimpleDateTimePicker.make(

DateFormateclass.str_date_time,

date1,

this,

getSupportFragmentManager()

);

// Show It baby!

simpleDateTimePicker.show(false, DateFormateclass.str_date_time);

}else if (str.equalsIgnoreCase(DateFormateclass.str_date)){

SimpleDateTimePicker simpleDateTimePicker = SimpleDateTimePicker.make(

DateFormateclass.str_date,

date1,

this,

getSupportFragmentManager()

);

// Show It baby!

simpleDateTimePicker.show(false, DateFormateclass.str_date);

}else if (str.equalsIgnoreCase(DateFormateclass.str_time)){

SimpleDateTimePicker simpleDateTimePicker = SimpleDateTimePicker.make(

DateFormateclass.str_time,

date1,

this,

getSupportFragmentManager()

);

// Show It baby!

simpleDateTimePicker.show(false, DateFormateclass.str_time);

}

@Override

public void DateTimeSet(Date date) {

DateTime mDateTime = new DateTime(date);

if (str.equalsIgnoreCase(DateFormateclass.str_date_time)){

txt_datetime.setText(DateFormateclass.sdf_date_time.format(date));

}else if (str.equalsIgnoreCase(DateFormateclass.str_date)){

txt_date.setText(DateFormateclass.sdf_date.format(date));

}else if (str.equalsIgnoreCase(DateFormateclass.str_time)){

txt_time.setText(DateFormateclass.sdf_time.format(date));

}

Create DateFormateclass.class File

package com.datetimedialog.datetimedialog;

/**

* Created by JAINISH on 1/31/2018.

import java.text.SimpleDateFormat;

public class DateFormateclass {

public final static SimpleDateFormat sdf_date_time = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss");

public final static SimpleDateFormat sdf_date = new SimpleDateFormat("yyyy-MM-dd");

public final static SimpleDateFormat sdf_time = new SimpleDateFormat("HH:mm:ss");

public final static String str_date_time ="Set Date & Time";

public final static String str_date ="Set Date";

public final static String str_time ="Set Time";

}

Create SimpleDateTimePicker.class File

package com.datetimedialog.datetimedialog;

/**

* Created by JAINISH on 1/31/2018.

import android.support.v4.app.Fragment;

import android.support.v4.app.FragmentManager;

import android.support.v4.app.FragmentTransaction;

import java.util.Date;

public class SimpleDateTimePicker {

private CharSequence mDialogTitle;

private Date mInitDate;

private DateTimePicker.OnDateTimeSetListener mOnDateTimeSetListener;

private FragmentManager mFragmentManager;

/**

* Private constructor that can only be access using the make method

* @param dialogTitle Title of the Date Time Picker Dialog

* @param initDate Date object to use to set the initial Date and Time

* @param onDateTimeSetListener OnDateTimeSetListener interface

* @param fragmentManager Fragment Manager from the activity

private SimpleDateTimePicker(CharSequence dialogTitle, Date initDate,

DateTimePicker.OnDateTimeSetListener onDateTimeSetListener,

FragmentManager fragmentManager) {

// Find if there are any DialogFragments from the FragmentManager

FragmentTransaction mFragmentTransaction = fragmentManager.beginTransaction();

Fragment mDateTimeDialogFrag = fragmentManager.findFragmentByTag(

DateTimePicker.TAG_FRAG_DATE_TIME

);

// Remove it if found

if(mDateTimeDialogFrag != null) {

mFragmentTransaction.remove(mDateTimeDialogFrag);

}

mFragmentTransaction.addToBackStack(null);

mDialogTitle = dialogTitle;

mInitDate = initDate;

mOnDateTimeSetListener = onDateTimeSetListener;

mFragmentManager = fragmentManager;

}

/**

* Creates a new instance of the SimpleDateTimePicker

* @param dialogTitle Title of the Date Time Picker Dialog

* @param initDate Date object to use to set the initial Date and Time

* @param onDateTimeSetListener OnDateTimeSetListener interface

* @param fragmentManager Fragment Manager from the activity

* @return Returns a SimpleDateTimePicker object

public static SimpleDateTimePicker make(CharSequence dialogTitle, Date initDate,

DateTimePicker.OnDateTimeSetListeneronDateTimeSetListener, FragmentManager fragmentManager) {

return new SimpleDateTimePicker(dialogTitle, initDate,

onDateTimeSetListener, fragmentManager);

}

/**

* Shows the DateTimePicker Dialog

public void show() {

// Create new DateTimePicker

DateTimePicker mDateTimePicker = DateTimePicker.newInstance(mDialogTitle,mInitDate);

mDateTimePicker.setOnDateTimeSetListener(mOnDateTimeSetListener);

mDateTimePicker.show(mFragmentManager, DateTimePicker.TAG_FRAG_DATE_TIME);

}

public void show(boolean not_future, String value_select) {

// Create new DateTimePicker

DateTimePicker mDateTimePicker = DateTimePicker.newInstance(mDialogTitle,mInitDate,not_future,value_select);

mDateTimePicker.setOnDateTimeSetListener(mOnDateTimeSetListener);

mDateTimePicker.show(mFragmentManager, DateTimePicker.TAG_FRAG_DATE_TIME);

}

Add activity_main.xml

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

xmlns:app="http://schemas.android.com/apk/res-auto"

xmlns:tools="http://schemas.android.com/tools"

android:layout_width="match_parent"

android:layout_height="match_parent"

tools:context="com.datetimedialog.datetimedialog.MainActivity"

android:orientation="vertical"

android:padding="5dp"

android:gravity="center">

<LinearLayout

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:orientation="horizontal">

<TextView

android:layout_width="0dp"

android:layout_height="wrap_content"

android:layout_weight="0.7"

android:text="Date Time : "

android:textStyle="bold"

android:textSize="20dp"

android:gravity="center"/>

<TextView

android:layout_width="0dp"

android:layout_height="wrap_content"

android:layout_weight="1"

android:id="@+id/txt_datetime"

android:textStyle="bold"

android:textSize="20dp"

android:gravity="center"/>

</LinearLayout>

<Button

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:id="@+id/btn_datetime"

android:text="Date Time"/>

<LinearLayout

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:orientation="horizontal"

android:layout_marginTop="20dp">

<TextView

android:layout_width="0dp"

android:layout_height="wrap_content"

android:layout_weight="0.7"

android:text="Date : "

android:textStyle="bold"

android:textSize="20dp"

android:gravity="center"/>

<TextView

android:layout_width="0dp"

android:layout_height="wrap_content"

android:layout_weight="1"

android:id="@+id/txt_date"

android:textStyle="bold"

android:textSize="20dp"

android:gravity="center"/>

</LinearLayout>

<Button

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:id="@+id/btn_date"

android:text="Date"/>

<LinearLayout

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:orientation="horizontal"

android:layout_marginTop="20dp">

<TextView

android:layout_width="0dp"

android:layout_height="wrap_content"

android:layout_weight="0.7"

android:text="Time : "

android:textStyle="bold"

android:textSize="20dp"

android:gravity="center"/>

<TextView

android:layout_width="0dp"

android:layout_height="wrap_content"

android:layout_weight="1"

android:id="@+id/txt_time"

android:textStyle="bold"

android:textSize="20dp"

android:gravity="center"/>

</LinearLayout>

<Button

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:id="@+id/btn_time"

android:text="Time"/>

</LinearLayout>

Add date_time_picker.xml

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

android:id="@+id/date_time"

android:layout_width="match_parent"

android:layout_height="match_parent"

android:orientation="vertical">

<TabHost

android:id="@+id/tab_host"

android:layout_width="match_parent"

android:layout_height="match_parent">

<LinearLayout

android:layout_width="match_parent"

android:layout_height="match_parent"

android:orientation="vertical">

<TabWidget

android:id="@android:id/tabs"

android:layout_width="match_parent"

android:layout_height="match_parent" />

<FrameLayout

android:id="@android:id/tabcontent"

android:layout_width="match_parent"

android:layout_height="match_parent">

<LinearLayout

android:id="@+id/date_content"

android:orientation="vertical"

android:layout_width="match_parent"

android:layout_height="match_parent">

<DatePicker

android:id="@+id/date_picker"

android:layout_width="match_parent"

android:layout_height="match_parent"

android:calendarViewShown="false" />

</LinearLayout>

<LinearLayout

android:id="@+id/time_content"

android:layout_width="match_parent"

android:layout_height="match_parent"

android:orientation="vertical">

<TimePicker

android:id="@+id/time_picker"

android:layout_width="match_parent"

android:layout_height="match_parent" />

</LinearLayout>

</FrameLayout>

</LinearLayout>

</TabHost>

</LinearLayout>

Android Examples

Wednesday 31 January 2018

Select DateTime, Date and Time Dialog Android Example

Output :

Blog Archive