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。

选中的答案不太适合我，因为我必须点击EditText框一次，然后在OnClickListener启动之前再次点击它。我能够通过用OnTouchListener替换OnClickListener来修复这个问题，以防有人遇到类似的问题，下面是我的代码看起来是什么样的:

Calendar myCalendar = Calendar.getInstance();

DatePickerDialog.OnDateSetListener date = new 
DatePickerDialog.OnDateSetListener() {

    @Override
    public void onDateSet(DatePicker view, int year, int monthOfYear,
            int dayOfMonth) {
        // TODO Auto-generated method stub
        myCalendar.set(Calendar.YEAR, year);
        myCalendar.set(Calendar.MONTH, monthOfYear);
        myCalendar.set(Calendar.DAY_OF_MONTH, dayOfMonth);
        updateLabel();
    }

};
edittext.setOnTouchListener(new View.OnTouchListener() {

    @Override
    public void onTouch(View v, MotionEvent event) {
        if(event.getAction() == MotionEvent.ACTION_DOWN) {
            new DatePickerDialog(classname.this, date, myCalendar
                    .get(Calendar.YEAR), myCalendar.get(Calendar.MONTH),
                    myCalendar.get(Calendar.DAY_OF_MONTH)).show();
        }
    }
});

private void updateLabel() {

    String myFormat = "MM/dd/yy"; //In which you need put here
    SimpleDateFormat sdf = new SimpleDateFormat(myFormat, Locale.US);

    edittext.setText(sdf.format(myCalendar.getTime()));
}

还有另一种更好的可重用方式:

创建一个类:

class setDate implements OnFocusChangeListener, OnDateSetListener {   

       private EditText editText;
       private Calendar myCalendar;

       public setDate(EditText editText, Context ctx){
           this.editText = editText;
           this.editText.setOnFocusChangeListener(this);
           myCalendar = Calendar.getInstance();
       }

       @Override
       public void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth)     {
           // this.editText.setText();

            String myFormat = "MMM dd, yyyy"; //In which you need put here
            SimpleDateFormat sdformat = new SimpleDateFormat(myFormat, Locale.US);
            myCalendar.set(Calendar.YEAR, year);
            myCalendar.set(Calendar.MONTH, monthOfYear);
            myCalendar.set(Calendar.DAY_OF_MONTH, dayOfMonth);

            editText.setText(sdformat.format(myCalendar.getTime()));

       }

        @Override
        public void onFocusChange(View v, boolean hasFocus) {
            // TODO Auto-generated method stub
            if(hasFocus){
             new DatePickerDialog(ctx, this, myCalendar
                       .get(Calendar.YEAR), myCalendar.get(Calendar.MONTH),
                       myCalendar.get(Calendar.DAY_OF_MONTH)).show();
            }
        }

    }

然后在onCreate函数下调用这个类:

    EditText editTextFromDate = (EditText) findViewById(R.id.editTextFromDate);
    setDate fromDate = new setDate(editTextFromDate, this);

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

下面是Material Date Picker的Kotlin扩展函数:

fun TextInputEditText.datePicker(fm:FragmentManager, tag: String) {

isFocusableInTouchMode = false
isClickable = true
isFocusable = false

val datePicker =
    MaterialDatePicker.Builder.datePicker()
        .setTitleText("Select Date")
        .build()


setOnClickListener {

    datePicker.show(fm,"tag")
}

datePicker.addOnPositiveButtonClickListener {
   setText(datePicker.headerText)
    Log.d("TAG", "datePicker: \n $it")
}}

用法:

在活动:

yourTextInputEditText.datePicker(supportFragmentManager,"tag")

在片段:

yourTextInputEditText.datePicker(requireActivity().supportFragmentManager,"tag")

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();

        }
    });