使用这个

your_edittext.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View arg0) {

                    final Calendar calendar = Calendar.getInstance();
                    int yy = calendar.get(Calendar.YEAR);
                    int mm = calendar.get(Calendar.MONTH);
                    int dd = calendar.get(Calendar.DAY_OF_MONTH);
                    DatePickerDialog datePicker = new DatePickerDialog(getActivity(), new DatePickerDialog.OnDateSetListener() {
                        @Override
                        public void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth) {
                            String date = String.valueOf(dayOfMonth) + "/" + String.valueOf(monthOfYear+1)
                                    + "/" + String.valueOf(year);
                            your_edittext.setText(date);
                        }
                    }, yy, mm, dd);
                    datePicker.show();
                }
            });

Kotlin端口，调用setDatePicker函数

private fun setDatePicker(dateEditText: EditText) {

    val myCalendar = Calendar.getInstance()

    val datePickerOnDataSetListener = DatePickerDialog.OnDateSetListener { _, year, monthOfYear, dayOfMonth ->
        myCalendar.set(Calendar.YEAR, year)
        myCalendar.set(Calendar.MONTH, monthOfYear)
        myCalendar.set(Calendar.DAY_OF_MONTH, dayOfMonth)
        updateLabel(myCalendar, dateEditText)
    }

    dateEditText.setOnClickListener {
        DatePickerDialog(this@YourActivityName, datePickerOnDataSetListener, myCalendar
                .get(Calendar.YEAR), myCalendar.get(Calendar.MONTH),
                myCalendar.get(Calendar.DAY_OF_MONTH)).show()
    }
}

private fun updateLabel(myCalendar: Calendar, dateEditText: EditText) {
    val myFormat: String = "dd-MMM-yyyy"
    val sdf = SimpleDateFormat(myFormat, Locale.UK)
    dateEditText.setText(sdf.format(myCalendar.time))
}

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.Locale;

public class DatePickerHelper {

private final Calendar calendar = Calendar.getInstance();
private final String dateFormat = "MM/dd/yy";
private TextView textView = null;

public DatePickerHelper(final Context context, TextView textView) {
    this.textView = textView;

    // Setup on click listener if the TextView is not null
    if (textView != null) {
        textView.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                getDatePickerDialog(context).show();
            }
        });
    }
}

/**
 * Return a new date picker listener tied to the specified TextView field
 * @return
 */
private DatePickerDialog.OnDateSetListener getOnDateSetListener() {
    return new DatePickerDialog.OnDateSetListener() {
        @Override
        public void onDateSet(DatePicker view, int year, int monthOfYear,
                              int dayOfMonth) {
            calendar.set(Calendar.YEAR, year);
            calendar.set(Calendar.MONTH, monthOfYear);
            calendar.set(Calendar.DAY_OF_MONTH, dayOfMonth);

            SimpleDateFormat sdf = new SimpleDateFormat(dateFormat, Locale.US);
            textView.setText(sdf.format(calendar.getTime()));
        }
    };
}

/**
 * Return new DatePickerDialog for field
 * @param context
 * @return
 */
private DatePickerDialog getDatePickerDialog(Context context) {
    return new DatePickerDialog(context, getOnDateSetListener(), calendar
            .get(Calendar.YEAR), calendar.get(Calendar.MONTH),
            calendar.get(Calendar.DAY_OF_MONTH));
}

}

用法:

  DatePickerHelper assessmentDueDateHelper = new DatePickerHelper(AssessmentsDetailActivity.this,
            (TextView) findViewById(R.id.assessmentDueDateEditText));

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

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。

这是我怎么做的:类似于选择的答案，但使用一个静态对话框类，所以它更可重用，也使用onFocusChange而不是onClick。

editText.setOnFocusChangeListener(new View.OnFocusChangeListener() {
        @Override
        public void onFocusChange(View v, boolean hasFocus) {
            if (hasFocus) {
                DialogFragment datePickerFragment = new DatePickerFragment() {
                    @Override
                    public void onDateSet(DatePicker view, int year, int month, int day) {
                        Log.d(TAG, "onDateSet");
                        Calendar c = Calendar.getInstance();
                        c.set(year, month, day);
                        editText.setText(df.format(c.getTime()));
                        nextField.requestFocus(); //moves the focus to something else after dialog is closed
                    }
                };
                datePickerFragment.show(getActivity().getSupportFragmentManager(), "datePicker");
            }
        }
    });

datepicker对话框。

public static class DatePickerFragment extends DialogFragment implements DatePickerDialog.OnDateSetListener{

    @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);

        // Create a new instance of DatePickerDialog and return it
        return new DatePickerDialog(getActivity(), this, year, month, day);
    }

    @Override
    public void onDateSet(DatePicker view, int year, int month, int day) {
        //blah
    }
}