日期+时间选择器中DialogFragment实现OnDateChangedListener和OnTimeChangedListener [英] Date + Time Picker in DialogFragment implements OnDateChangedListener and OnTimeChangedListener
本文介绍了日期+时间选择器中DialogFragment实现OnDateChangedListener和OnTimeChangedListener的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我似乎无法设置我的DateTimeDialogFragment,因为它使在这里我把部分崩溃:
=日期选择器(DatePicker的)getView()findViewById(R.id.DatePicker)。
错误日志:
21 02-14:38:43.262:E / AndroidRuntime(2435):致命异常:主要
02-14 21:38:43.262:E / AndroidRuntime(2435):显示java.lang.NullPointerException
02-14 21:38:43.262:E / AndroidRuntime(2435):在com.test.DateTimeDialogFragment.onActivityCreated(DateTimeDialogFragment.java:98)
02-14 21:38:43.262:E / AndroidRuntime(2435):在android.app.FragmentManagerImpl.moveToState(FragmentManager.java:847)
02-14 21:38:43.262:E / AndroidRuntime(2435):在android.app.FragmentManagerImpl.moveToState(FragmentManager.java:1032)
02-14 21:38:43.262:E / AndroidRuntime(2435):在android.app.BackStackRecord.run(BackStackRecord.java:622)
02-14 21:38:43.262:E / AndroidRuntime(2435):在android.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1382)
02-14 21:38:43.262:E / AndroidRuntime(2435):在android.app.FragmentManagerImpl $ 1.run(FragmentManager.java:426)
02-14 21:38:43.262:E / AndroidRuntime(2435):在android.os.Handler.handleCallback(Handler.java:605)
02-14 21:38:43.262:E / AndroidRuntime(2435):在android.os.Handler.dispatchMessage(Handler.java:92)
02-14 21:38:43.262:E / AndroidRuntime(2435):在android.os.Looper.loop(Looper.java:137)
02-14 21:38:43.262:E / AndroidRuntime(2435):在android.app.ActivityThread.main(ActivityThread.java:4424)
02-14 21:38:43.262:E / AndroidRuntime(2435):在java.lang.reflect.Method.invokeNative(本机方法)
02-14 21:38:43.262:E / AndroidRuntime(2435):在java.lang.reflect.Method.invoke(Method.java:511)
02-14 21:38:43.262:E / AndroidRuntime(2435):在com.android.internal.os.ZygoteInit $ MethodAndArgsCaller.run(ZygoteInit.java:784)
02-14 21:38:43.262:E / AndroidRuntime(2435):在com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
02-14 21:38:43.262:E / AndroidRuntime(2435):在dalvik.system.NativeStart.main(本机方法)
下面是完整的code:
公共类DateTimeDialogFragment扩展DialogFragment工具
OnDateChangedListener,OnTimeChangedListener {
//定义日期时间选择器常数。
公众最终诠释DATE_PICKER = 1;
公众最终诠释TIME_PICKER = 2;
公众最终诠释DATE_TIME_PICKER = 3; // DatePicker的参考
私人的DatePicker日期选择器; // TimePicker参考
私人TimePicker timePicker; //日历参考
私人日历mCalendar; //定义活动
私人活动活动; //定义对话框类型
私人诠释intDialogType; //构造函数启动
公共DateTimeDialogFragment(活动活动){
this.activity =活动;
} @覆盖
公共对话框onCreateDialog(捆绑savedInstanceState){
//使用生成器类简单的对话框建设
AlertDialog.Builder建设者=新AlertDialog.Builder(活动); //获取吹气布局
LayoutInflater吹气= activity.getLayoutInflater(); //充气并为对话设置布局
作为父视图//传递空值,因为它在该对话框的布局会
builder.setView(inflater.inflate(R.layout.date_time_dialog,NULL)); //对话框的标题设置
builder.setMessage(设定日期)
//设置OK按钮
.setPositiveButton(设置,
新DialogInterface.OnClickListener(){
公共无效的onClick(DialogInterface对话,诠释的id){
//用户确定的对话框
}
})
//设置取消按钮
.setNegativeButton(取消,
新DialogInterface.OnClickListener(){
公共无效的onClick(DialogInterface对话,诠释的id){
//用户取消了对话框
}
})
//设置中性按钮(复位时间/日期)
.setNeutralButton(复位,
新DialogInterface.OnClickListener(){
@覆盖
公共无效的onClick(DialogInterface对话,诠释的id){
//用户重置的对话框
//复位();
}
}); //创建AlertDialog对象,并将其返回
返回builder.create();
} @覆盖
公共无效onActivityCreated(捆绑savedInstanceState){
// TODO自动生成方法存根
super.onActivityCreated(savedInstanceState);
//取得日历实例
mCalendar = Calendar.getInstance(); //初始化日期选择器
日期选择器=(的DatePicker)getView()findViewById(R.id.DatePicker)。
datePicker.init(mCalendar.get(Calendar.YEAR),mCalendar.get(的Calendar.MONTH),mCalendar.get(Calendar.DAY_OF_MONTH),这一点); //初始化时间选择器
timePicker =(TimePicker)getView()findViewById(R.id.TimePicker)。
timePicker.setOnTimeChangedListener(本);
} 公共无效setIntDialogType(INT intDialogType){
this.intDialogType = intDialogType;
} //便利的包装内部的日历实例
公众诠释的get(最终诠释场){
返回mCalendar.get(场);
} //重置的DatePicker,TimePicker和内部的日历实例
公共无效复位(){
最后的日历C = Calendar.getInstance();
updateDate(c.get(Calendar.YEAR),c.get(的Calendar.MONTH),c.get(Calendar.DAY_OF_MONTH));
录入(c.get(Calendar.HOUR_OF_DAY),c.get(Calendar.MINUTE));
} //便利的包装内部的日历实例
众长getDateTimeMillis(){
返回mCalendar.getTimeInMillis();
} //便利的包装内部TimePicker实例
公共无效setIs24HourView(布尔is24HourView){
timePicker.setIs24HourView(is24HourView);
} //便利的包装内部TimePicker实例
公共布尔is24HourView(){
返回timePicker.is24HourView();
} //便利的包装内部的DatePicker实例
公共无效setCalendarViewShown(布尔calendarView){
datePicker.setCalendarViewShown(calendarView);
} //便利的包装内部的DatePicker实例
公共布尔CalendarViewShown(){
返回datePicker.getCalendarViewShown();
} //便利的包装内部的DatePicker实例
公共无效updateDate(年整型,诠释monthOfYear,诠释请将dayOfMonth){
datePicker.updateDate(年,monthOfYear,请将dayOfMonth);
} //便利的包装内部TimePicker实例
公共无效录入(INT currentHour的,诠释currentMinute){
timePicker.setCurrentHour(currentHour的);
timePicker.setCurrentMinute(currentMinute);
} 公共字符串getDateTime(){
SimpleDateFormat的SDF =新的SimpleDateFormat(YYYY-MM-DD HH:MM:SS,Locale.US);
返回sdf.format(mCalendar.getTime());
} //每一次被叫用户更改DatePicker的值
@覆盖
公共无效onDateChanged(查看的DatePicker,年整型,诠释monthOfYear,诠释请将dayOfMonth){
//更新内部日历实例
mCalendar.set(年,monthOfYear,请将dayOfMonth,mCalendar.get(Calendar.HOUR_OF_DAY),mCalendar.get(Calendar.MINUTE));
} //每一次被叫用户改变TimePicker值
@覆盖
公共无效onTimeChanged(TimePicker观点,诠释HOUROFDAY,分整型){
//更新内部日历实例
mCalendar.set(mCalendar.get(Calendar.YEAR),mCalendar.get(的Calendar.MONTH),mCalendar.get(Calendar.DAY_OF_MONTH),HOUROFDAY,分钟);
}
这里的date_time_dialog.xml:
<?XML版本=1.0编码=UTF-8&GT?;
< LinearLayout中的xmlns:机器人=http://schemas.android.com/apk/res/android
机器人:ID =@ + ID /的DateTimePicker
机器人:layout_width =WRAP_CONTENT
机器人:layout_height =FILL_PARENT
机器人:比重=中心
机器人:方向=横向
机器人:填充=5dip> <的DatePicker
机器人:ID =@ + ID / DatePicker的
机器人:layout_width =WRAP_CONTENT
机器人:layout_height =WRAP_CONTENT
机器人:layout_gravity =中心
机器人:layout_marginRight =40dp/> < TimePicker
机器人:ID =@ + ID / TimePicker
机器人:layout_width =WRAP_CONTENT
机器人:layout_height =WRAP_CONTENT
机器人:layout_gravity =中心/>< / LinearLayout中>
解决方案
我想说感谢大家的帮助我,并带领我在正确的方向。我现在有一个更好的了解Android系统。下面是完整的工人阶级:
进口java.text.SimpleDateFormat的;
进口的java.util.Calendar;
进口java.util.Locale中;进口android.app.Activity;
进口android.app.AlertDialog;
进口android.app.AlertDialog.Builder;
进口android.app.Dialog;
进口android.app.DialogFragment;
进口android.content.DialogInterface;
进口android.os.Bundle;
进口android.view.LayoutInflater;
进口android.view.View;
进口android.widget.DatePicker;
进口android.widget.DatePicker.OnDateChangedListener;
进口android.widget.TimePicker;
进口android.widget.TimePicker.OnTimeChangedListener;公共类DateTimeDialogFragment扩展DialogFragment实现OnDateChangedListener,OnTimeChangedListener {
//定义日期时间选择器常数。
公众最终静态INT DATE_PICKER = 1;
公众最终静态INT TIME_PICKER = 2;
公众最终静态INT DATE_TIME_PICKER = 3; // DatePicker的参考
私人的DatePicker日期选择器; // TimePicker参考
私人TimePicker timePicker; //日历参考
私人日历mCalendar; //定义活动
私人活动活动; //定义对话框类型
私人诠释的DialogType; //定义对话框视图
私人查看MView的; //构造函数启动
公共DateTimeDialogFragment(活动活动){
这个(活动,DATE_TIME_PICKER);
} 公共DateTimeDialogFragment(活动活动,诠释的DialogType){
this.activity =活动;
this.DialogType =的DialogType; //充气布局视图
作为父视图//传递空值,因为它在该对话框的布局会
LayoutInflater吹气= activity.getLayoutInflater();
MVIEW = inflater.inflate(R.layout.date_time_dialog,NULL); //取得日历实例
mCalendar = Calendar.getInstance(); //初始化日期选择器
日期选择器=(的DatePicker)mView.findViewById(R.id.DatePicker);
datePicker.init(mCalendar.get(Calendar.YEAR),mCalendar.get(的Calendar.MONTH),mCalendar.get(Calendar.DAY_OF_MONTH),这一点); //初始化时间选择器
timePicker =(TimePicker)mView.findViewById(R.id.TimePicker); //设置默认日历和时间样式
setIs24HourView(真);
setCalendarViewShown(假); 开关(的DialogType){
案例DATE_PICKER:
timePicker.setVisibility(View.GONE);
打破;
案例TIME_PICKER:
datePicker.setVisibility(View.GONE);
打破;
}
} @覆盖
公共对话框onCreateDialog(捆绑savedInstanceState){ //使用生成器类简单的对话框建设
建设者建设者=新AlertDialog.Builder(活动); //设置布局的对话框
builder.setView(MVIEW); //对话框的标题设置
builder.setMessage(设定日期)
//设置OK按钮
.setPositiveButton(设置,
新DialogInterface.OnClickListener(){
公共无效的onClick(DialogInterface对话,诠释的id){
//用户确定的对话框
}
})
//设置取消按钮
.setNegativeButton(取消,
新DialogInterface.OnClickListener(){
公共无效的onClick(DialogInterface对话,诠释的id){
//用户取消了对话框
DateTimeDialogFragment.this.getDialog()取消()。
}
}); //创建AlertDialog对象,并将其返回
返回builder.create();
} @覆盖
公共无效onActivityCreated(捆绑savedInstanceState){
super.onActivityCreated(savedInstanceState);
timePicker.setOnTimeChangedListener(本);
} //便利的包装内部的日历实例
公众诠释的get(最终诠释场){
返回mCalendar.get(场);
} //便利的包装内部的日历实例
众长getDateTimeMillis(){
返回mCalendar.getTimeInMillis();
} //便利的包装内部TimePicker实例
公共无效setIs24HourView(布尔is24HourView){
timePicker.setIs24HourView(is24HourView);
} //便利的包装内部TimePicker实例
公共布尔is24HourView(){
返回timePicker.is24HourView();
} //便利的包装内部的DatePicker实例
公共无效setCalendarViewShown(布尔calendarView){
datePicker.setCalendarViewShown(calendarView);
} //便利的包装内部的DatePicker实例
公共布尔CalendarViewShown(){
返回datePicker.getCalendarViewShown();
} //便利的包装内部的DatePicker实例
公共无效updateDate(年整型,诠释monthOfYear,诠释请将dayOfMonth){
datePicker.updateDate(年,monthOfYear,请将dayOfMonth);
} //便利的包装内部TimePicker实例
公共无效录入(INT currentHour的,诠释currentMinute){
timePicker.setCurrentHour(currentHour的);
timePicker.setCurrentMinute(currentMinute);
} 公共字符串getDateTime(){
SimpleDateFormat的SDF =新的SimpleDateFormat(YYYY-MM-DD HH:MM:SS,Locale.US);
返回sdf.format(mCalendar.getTime());
} //每一次被叫用户更改DatePicker的值
@覆盖
公共无效onDateChanged(查看的DatePicker,年整型,诠释monthOfYear,诠释请将dayOfMonth){
//更新内部日历实例
mCalendar.set(年,monthOfYear,请将dayOfMonth,mCalendar.get(Calendar.HOUR_OF_DAY),mCalendar.get(Calendar.MINUTE));
} //每一次被叫用户改变TimePicker值
@覆盖
公共无效onTimeChanged(TimePicker观点,诠释HOUROFDAY,分整型){
//更新内部日历实例
mCalendar.set(mCalendar.get(Calendar.YEAR),mCalendar.get(的Calendar.MONTH),mCalendar.get(Calendar.DAY_OF_MONTH),HOUROFDAY,分钟);
}
}
I can't seem to set up my DateTimeDialogFragment because it keeps crashing at the part where i put:
datePicker = (DatePicker) getView().findViewById(R.id.DatePicker);
Error Log:
02-14 21:38:43.262: E/AndroidRuntime(2435): FATAL EXCEPTION: main
02-14 21:38:43.262: E/AndroidRuntime(2435): java.lang.NullPointerException
02-14 21:38:43.262: E/AndroidRuntime(2435): at com.test.DateTimeDialogFragment.onActivityCreated(DateTimeDialogFragment.java:98)
02-14 21:38:43.262: E/AndroidRuntime(2435): at android.app.FragmentManagerImpl.moveToState(FragmentManager.java:847)
02-14 21:38:43.262: E/AndroidRuntime(2435): at android.app.FragmentManagerImpl.moveToState(FragmentManager.java:1032)
02-14 21:38:43.262: E/AndroidRuntime(2435): at android.app.BackStackRecord.run(BackStackRecord.java:622)
02-14 21:38:43.262: E/AndroidRuntime(2435): at android.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1382)
02-14 21:38:43.262: E/AndroidRuntime(2435): at android.app.FragmentManagerImpl$1.run(FragmentManager.java:426)
02-14 21:38:43.262: E/AndroidRuntime(2435): at android.os.Handler.handleCallback(Handler.java:605)
02-14 21:38:43.262: E/AndroidRuntime(2435): at android.os.Handler.dispatchMessage(Handler.java:92)
02-14 21:38:43.262: E/AndroidRuntime(2435): at android.os.Looper.loop(Looper.java:137)
02-14 21:38:43.262: E/AndroidRuntime(2435): at android.app.ActivityThread.main(ActivityThread.java:4424)
02-14 21:38:43.262: E/AndroidRuntime(2435): at java.lang.reflect.Method.invokeNative(Native Method)
02-14 21:38:43.262: E/AndroidRuntime(2435): at java.lang.reflect.Method.invoke(Method.java:511)
02-14 21:38:43.262: E/AndroidRuntime(2435): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
02-14 21:38:43.262: E/AndroidRuntime(2435): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
02-14 21:38:43.262: E/AndroidRuntime(2435): at dalvik.system.NativeStart.main(Native Method)
Here's the full code:
public class DateTimeDialogFragment extends DialogFragment implements
OnDateChangedListener, OnTimeChangedListener {
// Define constants for date-time picker.
public final int DATE_PICKER = 1;
public final int TIME_PICKER = 2;
public final int DATE_TIME_PICKER = 3;
// DatePicker reference
private DatePicker datePicker;
// TimePicker reference
private TimePicker timePicker;
// Calendar reference
private Calendar mCalendar;
// Define activity
private Activity activity;
// Define Dialog type
private int intDialogType;
// Constructor start
public DateTimeDialogFragment(Activity activity) {
this.activity = activity;
}
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
// Use the Builder class for convenient dialog construction
AlertDialog.Builder builder = new AlertDialog.Builder(activity);
// Get the layout inflater
LayoutInflater inflater = activity.getLayoutInflater();
// Inflate and set the layout for the dialog
// Pass null as the parent view because its going in the dialog layout
builder.setView(inflater.inflate(R.layout.date_time_dialog, null));
// Set title of dialog
builder.setMessage("Set Date")
// Set Ok button
.setPositiveButton("Set",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
// User ok the dialog
}
})
// Set Cancel button
.setNegativeButton("Cancel",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
// User cancelled the dialog
}
})
// Set Neutral button (reset Time / Date)
.setNeutralButton("Reset",
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int id) {
// User reset the dialog
// reset();
}
});
// Create the AlertDialog object and return it
return builder.create();
}
@Override
public void onActivityCreated(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onActivityCreated(savedInstanceState);
// Grab a Calendar instance
mCalendar = Calendar.getInstance();
// Init date picker
datePicker = (DatePicker) getView().findViewById(R.id.DatePicker);
datePicker.init(mCalendar.get(Calendar.YEAR), mCalendar.get(Calendar.MONTH), mCalendar.get(Calendar.DAY_OF_MONTH), this);
// Init time picker
timePicker = (TimePicker) getView().findViewById(R.id.TimePicker);
timePicker.setOnTimeChangedListener(this);
}
public void setIntDialogType(int intDialogType) {
this.intDialogType = intDialogType;
}
// Convenience wrapper for internal Calendar instance
public int get(final int field) {
return mCalendar.get(field);
}
// Reset DatePicker, TimePicker and internal Calendar instance
public void reset() {
final Calendar c = Calendar.getInstance();
updateDate(c.get(Calendar.YEAR), c.get(Calendar.MONTH), c.get(Calendar.DAY_OF_MONTH));
updateTime(c.get(Calendar.HOUR_OF_DAY), c.get(Calendar.MINUTE));
}
// Convenience wrapper for internal Calendar instance
public long getDateTimeMillis() {
return mCalendar.getTimeInMillis();
}
// Convenience wrapper for internal TimePicker instance
public void setIs24HourView(boolean is24HourView) {
timePicker.setIs24HourView(is24HourView);
}
// Convenience wrapper for internal TimePicker instance
public boolean is24HourView() {
return timePicker.is24HourView();
}
// Convenience wrapper for internal DatePicker instance
public void setCalendarViewShown(boolean calendarView) {
datePicker.setCalendarViewShown(calendarView);
}
// Convenience wrapper for internal DatePicker instance
public boolean CalendarViewShown() {
return datePicker.getCalendarViewShown();
}
// Convenience wrapper for internal DatePicker instance
public void updateDate(int year, int monthOfYear, int dayOfMonth) {
datePicker.updateDate(year, monthOfYear, dayOfMonth);
}
// Convenience wrapper for internal TimePicker instance
public void updateTime(int currentHour, int currentMinute) {
timePicker.setCurrentHour(currentHour);
timePicker.setCurrentMinute(currentMinute);
}
public String getDateTime() {
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.US);
return sdf.format(mCalendar.getTime());
}
// Called every time the user changes DatePicker values
@Override
public void onDateChanged(DatePicker view, int year, int monthOfYear, int dayOfMonth) {
// Update the internal Calendar instance
mCalendar.set(year, monthOfYear, dayOfMonth, mCalendar.get(Calendar.HOUR_OF_DAY), mCalendar.get(Calendar.MINUTE));
}
// Called every time the user changes TimePicker values
@Override
public void onTimeChanged(TimePicker view, int hourOfDay, int minute) {
// Update the internal Calendar instance
mCalendar.set(mCalendar.get(Calendar.YEAR), mCalendar.get(Calendar.MONTH), mCalendar.get(Calendar.DAY_OF_MONTH), hourOfDay, minute);
}
Here's the date_time_dialog.xml:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/DateTimePicker"
android:layout_width="wrap_content"
android:layout_height="fill_parent"
android:gravity="center"
android:orientation="horizontal"
android:padding="5dip" >
<DatePicker
android:id="@+id/DatePicker"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:layout_marginRight="40dp" />
<TimePicker
android:id="@+id/TimePicker"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center" />
</LinearLayout>
解决方案
I want to say thanks to everyone for helping me out and leading me in the right direction. I now have a much better understanding of Android. Here's the full working class:
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Locale;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.AlertDialog.Builder;
import android.app.Dialog;
import android.app.DialogFragment;
import android.content.DialogInterface;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.DatePicker;
import android.widget.DatePicker.OnDateChangedListener;
import android.widget.TimePicker;
import android.widget.TimePicker.OnTimeChangedListener;
public class DateTimeDialogFragment extends DialogFragment implements OnDateChangedListener, OnTimeChangedListener {
// Define constants for date-time picker.
public final static int DATE_PICKER = 1;
public final static int TIME_PICKER = 2;
public final static int DATE_TIME_PICKER = 3;
// DatePicker reference
private DatePicker datePicker;
// TimePicker reference
private TimePicker timePicker;
// Calendar reference
private Calendar mCalendar;
// Define activity
private Activity activity;
// Define Dialog type
private int DialogType;
// Define Dialog view
private View mView;
// Constructor start
public DateTimeDialogFragment(Activity activity) {
this(activity, DATE_TIME_PICKER);
}
public DateTimeDialogFragment(Activity activity, int DialogType) {
this.activity = activity;
this.DialogType = DialogType;
// Inflate layout for the view
// Pass null as the parent view because its going in the dialog layout
LayoutInflater inflater = activity.getLayoutInflater();
mView = inflater.inflate(R.layout.date_time_dialog, null);
// Grab a Calendar instance
mCalendar = Calendar.getInstance();
// Init date picker
datePicker = (DatePicker) mView.findViewById(R.id.DatePicker);
datePicker.init(mCalendar.get(Calendar.YEAR), mCalendar.get(Calendar.MONTH), mCalendar.get(Calendar.DAY_OF_MONTH), this);
// Init time picker
timePicker = (TimePicker) mView.findViewById(R.id.TimePicker);
// Set default Calendar and Time Style
setIs24HourView(true);
setCalendarViewShown(false);
switch (DialogType) {
case DATE_PICKER:
timePicker.setVisibility(View.GONE);
break;
case TIME_PICKER:
datePicker.setVisibility(View.GONE);
break;
}
}
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
// Use the Builder class for convenient dialog construction
Builder builder = new AlertDialog.Builder(activity);
// Set the layout for the dialog
builder.setView(mView);
// Set title of dialog
builder.setMessage("Set Date")
// Set Ok button
.setPositiveButton("Set",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
// User ok the dialog
}
})
// Set Cancel button
.setNegativeButton("Cancel",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
// User cancelled the dialog
DateTimeDialogFragment.this.getDialog().cancel();
}
});
// Create the AlertDialog object and return it
return builder.create();
}
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
timePicker.setOnTimeChangedListener(this);
}
// Convenience wrapper for internal Calendar instance
public int get(final int field) {
return mCalendar.get(field);
}
// Convenience wrapper for internal Calendar instance
public long getDateTimeMillis() {
return mCalendar.getTimeInMillis();
}
// Convenience wrapper for internal TimePicker instance
public void setIs24HourView(boolean is24HourView) {
timePicker.setIs24HourView(is24HourView);
}
// Convenience wrapper for internal TimePicker instance
public boolean is24HourView() {
return timePicker.is24HourView();
}
// Convenience wrapper for internal DatePicker instance
public void setCalendarViewShown(boolean calendarView) {
datePicker.setCalendarViewShown(calendarView);
}
// Convenience wrapper for internal DatePicker instance
public boolean CalendarViewShown() {
return datePicker.getCalendarViewShown();
}
// Convenience wrapper for internal DatePicker instance
public void updateDate(int year, int monthOfYear, int dayOfMonth) {
datePicker.updateDate(year, monthOfYear, dayOfMonth);
}
// Convenience wrapper for internal TimePicker instance
public void updateTime(int currentHour, int currentMinute) {
timePicker.setCurrentHour(currentHour);
timePicker.setCurrentMinute(currentMinute);
}
public String getDateTime() {
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.US);
return sdf.format(mCalendar.getTime());
}
// Called every time the user changes DatePicker values
@Override
public void onDateChanged(DatePicker view, int year, int monthOfYear, int dayOfMonth) {
// Update the internal Calendar instance
mCalendar.set(year, monthOfYear, dayOfMonth, mCalendar.get(Calendar.HOUR_OF_DAY), mCalendar.get(Calendar.MINUTE));
}
// Called every time the user changes TimePicker values
@Override
public void onTimeChanged(TimePicker view, int hourOfDay, int minute) {
// Update the internal Calendar instance
mCalendar.set(mCalendar.get(Calendar.YEAR), mCalendar.get(Calendar.MONTH), mCalendar.get(Calendar.DAY_OF_MONTH), hourOfDay, minute);
}
}
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