EasyDemo*DatePicker(on Github)

DatePicker()
开发环境：Eclipse

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直接上代码。。。

package com.example.datetimepickerdemo;

import java.text.SimpleDateFormat;

import java.util.Calendar;

import java.util.Date;

import android.app.Activity;

import android.app.DatePickerDialog;

import android.app.Dialog;

import android.os.Bundle;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.DatePicker;

import android.widget.TextView;

public class DatePickerDemo extends Activity {

    static int mYear, mMonth, mDay;

    private TextView tv_singed_date, tv_expire_date;

    final int SINGED_DATE_DIALOG = 1;

    final int EXPIRE_DATE_DIALOG = 2;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        tv_singed_date = (TextView) findViewById(R.id.tv_singed_date);

        tv_expire_date = (TextView) findViewById(R.id.tv_expire_date);

        tv_singed_date.setOnClickListener(new OnClickListener() {

            @Override

            public void onClick(View v) {

                // TODO Auto-generated method stub

                showDialog(SINGED_DATE_DIALOG);

            }

        });

        tv_expire_date.setOnClickListener(new OnClickListener() {

            @Override

            public void onClick(View v) {

                // TODO Auto-generated method stub

                showDialog(EXPIRE_DATE_DIALOG);

            }

        });

        final Calendar ca = Calendar.getInstance();

        mYear = ca.get(Calendar.YEAR);

        mMonth = ca.get(Calendar.MONTH);

        mDay = ca.get(Calendar.DAY_OF_MONTH);

    }

    @Override

    protected Dialog onCreateDialog(int id) {

        // TODO Auto-generated method stub

        switch (id) {

        case SINGED_DATE_DIALOG:

            return new DatePickerDialog(this, singed_mdateListener, mYear,

                    mMonth, mDay);

        case EXPIRE_DATE_DIALOG:

            return new DatePickerDialog(this, expire_mdateListener, mYear,

                    mMonth, mDay);

        }

        return null;

    }

    // 设置文本的内容 -宋玮琦 2017-11-15

    public void singed_date_display() {

        tv_singed_date.setText(new StringBuffer().append(mYear).append("-")

                .append(mMonth + 1).append("-").append(mDay).append(""));

    }

    public void expire_date_display() {

        tv_expire_date.setText(new StringBuffer().append(mYear).append("-")

                .append(mMonth + 1).append("-").append(mDay).append(""));

    }

    private DatePickerDialog.OnDateSetListener singed_mdateListener = new DatePickerDialog.OnDateSetListener() {

        @Override

        public void onDateSet(DatePicker view, int year, int monthOfYear,

                int dayOfMonth) {

            // TODO Auto-generated method stub

            mYear = year;

            mMonth = monthOfYear;

            mDay = dayOfMonth;

            singed_date_display();

        }

    };

    private DatePickerDialog.OnDateSetListener expire_mdateListener = new DatePickerDialog.OnDateSetListener() {

        @Override

        public void onDateSet(DatePicker view, int year, int monthOfYear,

                int dayOfMonth) {

            // TODO Auto-generated method stub

            mYear = year;

            mMonth = monthOfYear;

            mDay = dayOfMonth;

            expire_date_display();

        }

    };

}