我想显示日期选择器弹出窗口。我找到了一些例子,但我没有得到正确的。我有一个edittext,我希望当我点击edittext时,datepicker对话框应该弹出,设置日期后,日期应该显示在edittext在dd/mm/yyyy格式。请为我提供示例代码或良好的链接。
当前回答
我的类为show DatePicker。我可以使用EditText, TextView或按钮
import android.app.DatePickerDialog;
import android.content.Context;
import android.view.View;
import android.widget.DatePicker;
import android.widget.TextView;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.TimeZone;
public class TextViewDatePicker
implements View.OnClickListener, DatePickerDialog.OnDateSetListener {
public static final String DATE_SERVER_PATTERN = "yyyy-MM-dd";
private DatePickerDialog mDatePickerDialog;
private TextView mView;
private Context mContext;
private long mMinDate;
private long mMaxDate;
public TextViewDatePicker(Context context, TextView view) {
this(context, view, 0, 0);
}
public TextViewDatePicker(Context context, TextView view, long minDate, long maxDate) {
mView = view;
mView.setOnClickListener(this);
mView.setFocusable(false);
mContext = context;
mMinDate = minDate;
mMaxDate = maxDate;
}
@Override
public void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth) {
Calendar calendar = Calendar.getInstance();
calendar.set(Calendar.YEAR, year);
calendar.set(Calendar.MONTH, monthOfYear);
calendar.set(Calendar.DAY_OF_MONTH, dayOfMonth);
Date date = calendar.getTime();
SimpleDateFormat formatter = new SimpleDateFormat(DATE_SERVER_PATTERN);
mView.setText(formatter.format(date));
}
@Override
public void onClick(View v) {
Calendar calendar = Calendar.getInstance(TimeZone.getDefault());
mDatePickerDialog = new DatePickerDialog(mContext, this, calendar.get(Calendar.YEAR),
calendar.get(Calendar.MONTH), calendar.get(Calendar.DAY_OF_MONTH));
if (mMinDate != 0) {
mDatePickerDialog.getDatePicker().setMinDate(mMinDate);
}
if (mMaxDate != 0) {
mDatePickerDialog.getDatePicker().setMaxDate(mMaxDate);
}
mDatePickerDialog.show();
}
public DatePickerDialog getDatePickerDialog() {
return mDatePickerDialog;
}
public void setMinDate(long minDate) {
mMinDate = minDate;
}
public void setMaxDate(long maxDate) {
mMaxDate = maxDate;
}
}
使用
EditText myEditText = findViewById(R.id.myEditText);
TextViewDatePicker editTextDatePicker = new TextViewDatePicker(context, myEditText, minDate, maxDate);
//TextViewDatePicker editTextDatePicker = new TextViewDatePicker(context, myEditText); //without min date, max date
其他回答
editText1.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
DatePickerDialog.OnDateSetListener dpd = new DatePickerDialog.OnDateSetListener() {
@Override
public void onDateSet(DatePicker view, int year, int monthOfYear,
int dayOfMonth) {
int s = monthOfYear + 1;
String a = dayOfMonth + "/" + s + "/" + year;
editText1.setText(a);
}
};
Time date = new Time();
DatePickerDialog d = new DatePickerDialog(UpdateStore.this, dpd, date.year, date.month, date.monthDay);
d.show();
}
});
我的类为show DatePicker。我可以使用EditText, TextView或按钮
import android.app.DatePickerDialog;
import android.content.Context;
import android.view.View;
import android.widget.DatePicker;
import android.widget.TextView;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.TimeZone;
public class TextViewDatePicker
implements View.OnClickListener, DatePickerDialog.OnDateSetListener {
public static final String DATE_SERVER_PATTERN = "yyyy-MM-dd";
private DatePickerDialog mDatePickerDialog;
private TextView mView;
private Context mContext;
private long mMinDate;
private long mMaxDate;
public TextViewDatePicker(Context context, TextView view) {
this(context, view, 0, 0);
}
public TextViewDatePicker(Context context, TextView view, long minDate, long maxDate) {
mView = view;
mView.setOnClickListener(this);
mView.setFocusable(false);
mContext = context;
mMinDate = minDate;
mMaxDate = maxDate;
}
@Override
public void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth) {
Calendar calendar = Calendar.getInstance();
calendar.set(Calendar.YEAR, year);
calendar.set(Calendar.MONTH, monthOfYear);
calendar.set(Calendar.DAY_OF_MONTH, dayOfMonth);
Date date = calendar.getTime();
SimpleDateFormat formatter = new SimpleDateFormat(DATE_SERVER_PATTERN);
mView.setText(formatter.format(date));
}
@Override
public void onClick(View v) {
Calendar calendar = Calendar.getInstance(TimeZone.getDefault());
mDatePickerDialog = new DatePickerDialog(mContext, this, calendar.get(Calendar.YEAR),
calendar.get(Calendar.MONTH), calendar.get(Calendar.DAY_OF_MONTH));
if (mMinDate != 0) {
mDatePickerDialog.getDatePicker().setMinDate(mMinDate);
}
if (mMaxDate != 0) {
mDatePickerDialog.getDatePicker().setMaxDate(mMaxDate);
}
mDatePickerDialog.show();
}
public DatePickerDialog getDatePickerDialog() {
return mDatePickerDialog;
}
public void setMinDate(long minDate) {
mMinDate = minDate;
}
public void setMaxDate(long maxDate) {
mMaxDate = maxDate;
}
}
使用
EditText myEditText = findViewById(R.id.myEditText);
TextViewDatePicker editTextDatePicker = new TextViewDatePicker(context, myEditText, minDate, maxDate);
//TextViewDatePicker editTextDatePicker = new TextViewDatePicker(context, myEditText); //without min date, max date
public class DatePickerActivity extends AppCompatActivity {
Button button;
static TextView textView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
button= (Button) findViewById(R.id.btn_click);
textView= (TextView) findViewById(R.id.txt_date);
button.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
DialogFragment newFragment=new DatePickerFragment();
newFragment.show(getFragmentManager(), "datepicker");
}
});
}
public class DatePickerFragment extends DialogFragment implements DatePickerDialog.OnDateSetListener{
@Override
public void onDateSet(DatePicker view, int year, int monthOfYear, int day) {
String years=""+year;
String months=""+(monthOfYear+1);
String days=""+day;
if(monthOfYear>=0 && monthOfYear<9){
months="0"+(monthOfYear+1);
}
if(day>0 && day<10){
days="0"+day;
}
textView.setText(days+"/"+months+"/"+years);
}
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
//use the current date as the default date in the picker
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 datePickerDialog=null;
datePickerDialog=new DatePickerDialog(getActivity(), this, year, month, day);
return datePickerDialog;
}
}
}
我对沙玛林的解决方案。基于Linh的MvvmCross的Android:
public class DatePickerEditText : EditText, DatePickerDialog.IOnDateSetListener
{
IDisposable _clickSubscription;
public override bool Clickable => true;
protected DatePickerEditText(IntPtr javaReference, JniHandleOwnership transfer)
: base(javaReference, transfer)
=> Init();
public DatePickerEditText(Context context) : base(context)
=> Init();
public DatePickerEditText(Context context, IAttributeSet attrs)
: base(context, attrs)
=> Init();
public DatePickerEditText(Context context, IAttributeSet attrs, int defStyleAttr)
: base(context, attrs, defStyleAttr)
=> Init();
public DatePickerEditText(Context context, IAttributeSet attrs, int defStyleAttr, int defStyleRes)
: base(context, attrs, defStyleAttr, defStyleRes)
=> Init();
protected override void Dispose(bool disposing)
{
if (disposing)
{
_clickSubscription?.Dispose();
_clickSubscription = null;
}
base.Dispose(disposing);
}
public void OnDateSet(DatePicker view, int year, int month, int dayOfMonth)
=> Text = view.DateTime.ToString("d", CultureInfo.CurrentUICulture);
void Init()
{
SetFocusable(ViewFocusability.NotFocusable);
_clickSubscription = this.WeakSubscribe(nameof(Click), OnClick);
}
void OnClick(object sender, EventArgs e)
{
var date = DateTime.Today;
try
{
date = DateTime.Parse(Text, CultureInfo.CurrentUICulture);
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex);
}
var dialog = new DatePickerDialog(Context,
this,
date.Year,
date.Month,
date.Day);
dialog.Show();
}
}
来杯香草沙玛林。Android版本只需将WeakSubscribe替换为EditText的Click事件的常规订阅,不要忘记在Dispose方法覆盖中取消订阅。
用这个简单的技巧来做吧:
步骤1:创建一个片段对话框
public class DatePickerFragmentDialog extends DialogFragment {
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
Calendar c = Calendar.getInstance();
int year = c.get(Calendar.YEAR);
int month = c.get(Calendar.MONTH);
int day = c.get(Calendar.DAY_OF_MONTH);
return new DatePickerDialog(getActivity(), (DatePickerDialog.OnDateSetListener) getActivity(), year, month, day);
}
}
第二步:在必要的活动中遵循这一点
该活动必须实现:DatePickerDialog。OnDateSetListener 在按钮上设置onClickListener: DialogFragment datePicker = new DatePickerFragmentDialog(); datePicker.show(getSupportFragmentManager(), "自定义日期选择器");
步骤3:覆盖OnDateSetListener
public void onDateSet(DatePicker view, int year, int month, int dayOfMonth) {
Calendar calendar = Calendar.getInstance();
calendar.set(Calendar.YEAR, year);
calendar.set(Calendar.MONTH, month);
calendar.set(Calendar.DAY_OF_MONTH, dayOfMonth);
@SuppressLint("SimpleDateFormat") DateFormat dateFormat = new
SimpleDateFormat("MM/dd/yyyy");
String currentDateString = dateFormat.format(calendar.getTime());
tvPaymentDate.setText(currentDateString);
}
因此,我们可以使用任何格式的日期:)
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