轻松实现可扩展自定义的Android滚轮时间选择控件

 <span style="font-size:18px;"><span style="font-size:14px;">package com.andrew.datechoosewheelviewdemo;


import android.app.activity;
import android.app.dialog;
import android.content.context;
import android.os.looper;
import android.view.layoutinflater;
import android.view.view;
import android.view.viewgroup;
import android.widget.button;
import android.widget.linearlayout;
import android.widget.textview;

import com.andrew.datechoosewheelviewdemo.widget.onwheelchangedlistener;
import com.andrew.datechoosewheelviewdemo.widget.onwheelscrolllistener;
import com.andrew.datechoosewheelviewdemo.widget.wheelview;
import com.andrew.datechoosewheelviewdemo.widget.adapters.abstractwheeltextadapter;

import java.util.arraylist;
import java.util.calendar;

/**
 * 使用说明：1.showlongterm()是否显示长期选项
 * 2.settimepickergone隐藏时间选择
 * 3.接口datechooseinterface
 *
 * 用于时间日期的选择
 * created by liuhongxia on 2016/4/16.
 */
public class datechoosewheelviewdialog extends dialog implements view.onclicklistener {
 //控件
 private wheelview myearwheelview;
 private wheelview mdatewheelview;
 private wheelview mhourwheelview;
 private wheelview mminutewheelview;
 private calendartextadapter mdateadapter;
 private calendartextadapter mhouradapter;
 private calendartextadapter mminuteadapter;
 private calendartextadapter myearadapter;
 private textview mtitletextview;
 private button msurebutton;
 private dialog mdialog;
 private button mclosedialog;
 private linearlayout mlongtermlayout;
 private textview mlongtermtextview;

 //变量
 private arraylist<string> arry_date = new arraylist<string>();
 private arraylist<string> arry_hour = new arraylist<string>();
 private arraylist<string> arry_minute = new arraylist<string>();
 private arraylist<string> arry_year = new arraylist<string>();

 private int nowdateid = 0;
 private int nowhourid = 0;
 private int nowminuteid = 0;
 private int nowyearid = 0;
 private string myearstr;
 private string mdatestr;
 private string mhourstr;
 private string mminutestr;
 private boolean mblnbelongterm = false;//是否需要长期
 private boolean mblntimepickergone = false;//时间选择是否显示


 //常量
 private final int max_text_size = 18;
 private final int min_text_size = 16;

 private context mcontext;
 private datechooseinterface datechooseinterface;

 public datechoosewheelviewdialog(context context, datechooseinterface datechooseinterface) {
 super(context);
 this.mcontext = context;
 this.datechooseinterface = datechooseinterface;
 mdialog = new dialog(context,r.style.dialog);
 initview();
 initdata();
 }


 private void initdata() {
 inityear();
 initdate();
 inithour();
 initminute();
 initlistener();
 }

 /**
 * 初始化滚动监听事件
 */
 private void initlistener() {
 //年份*****************************
 myearwheelview.addchanginglistener(new onwheelchangedlistener() {

  @override
  public void onchanged(wheelview wheel, int oldvalue, int newvalue) {
  string currenttext = (string) myearadapter.getitemtext(wheel.getcurrentitem());
  settextviewstyle(currenttext, myearadapter);
  myearstr = arry_year.get(wheel.getcurrentitem()) + "";
  }
 });

 myearwheelview.addscrollinglistener(new onwheelscrolllistener() {

  @override
  public void onscrollingstarted(wheelview wheel) {

  }

  @override
  public void onscrollingfinished(wheelview wheel) {
  string currenttext = (string) myearadapter.getitemtext(wheel.getcurrentitem());
  settextviewstyle(currenttext, myearadapter);
  }
 });

 //日期********************
 mdatewheelview.addchanginglistener(new onwheelchangedlistener() {

  @override
  public void onchanged(wheelview wheel, int oldvalue, int newvalue) {
  string currenttext = (string) mdateadapter.getitemtext(wheel.getcurrentitem());
  settextviewstyle(currenttext, mdateadapter);
//  mdatecalendartextview.settext(" " + arry_date.get(wheel.getcurrentitem()));
  mdatestr = arry_date.get(wheel.getcurrentitem());
  }
 });

 mdatewheelview.addscrollinglistener(new onwheelscrolllistener() {

  @override
  public void onscrollingstarted(wheelview wheel) {

  }

  @override
  public void onscrollingfinished(wheelview wheel) {
  string currenttext = (string) mdateadapter.getitemtext(wheel.getcurrentitem());
  settextviewstyle(currenttext, mdateadapter);
  }
 });

 //小时***********************************
 mhourwheelview.addchanginglistener(new onwheelchangedlistener() {

  @override
  public void onchanged(wheelview wheel, int oldvalue, int newvalue) {
  string currenttext = (string) mhouradapter.getitemtext(wheel.getcurrentitem());
  settextviewstyle(currenttext, mhouradapter);
  mhourstr = arry_hour.get(wheel.getcurrentitem()) + "";
  }
 });

 mhourwheelview.addscrollinglistener(new onwheelscrolllistener() {

  @override
  public void onscrollingstarted(wheelview wheel) {

  }

  @override
  public void onscrollingfinished(wheelview wheel) {
  string currenttext = (string) mhouradapter.getitemtext(wheel.getcurrentitem());
  settextviewstyle(currenttext, mhouradapter);
  }
 });

 //分钟********************************************
 mminutewheelview.addchanginglistener(new onwheelchangedlistener() {

  @override
  public void onchanged(wheelview wheel, int oldvalue, int newvalue) {
  string currenttext = (string) mminuteadapter.getitemtext(wheel.getcurrentitem());
  settextviewstyle(currenttext, mminuteadapter);
  mminutestr = arry_minute.get(wheel.getcurrentitem()) + "";
  }
 });

 mminutewheelview.addscrollinglistener(new onwheelscrolllistener() {

  @override
  public void onscrollingstarted(wheelview wheel) {

  }

  @override
  public void onscrollingfinished(wheelview wheel) {
  string currenttext = (string) mminuteadapter.getitemtext(wheel.getcurrentitem());
  settextviewstyle(currenttext, mminuteadapter);
  }
 });
 }

 /**
 * 初始化分钟
 */
 private void initminute() {
 calendar nowcalendar = calendar.getinstance();
 int nowminite = nowcalendar.get(calendar.minute);
 arry_minute.clear();
 for (int i = 0; i <= 59; i++) {
  arry_minute.add(i + "");
  if (nowminite == i){
  nowminuteid = arry_minute.size() - 1;
  }
 }

 mminuteadapter = new calendartextadapter(mcontext, arry_minute, nowminuteid, max_text_size, min_text_size);
 mminutewheelview.setvisibleitems(5);
 mminutewheelview.setviewadapter(mminuteadapter);
 mminutewheelview.setcurrentitem(nowminuteid);
 mminutestr = arry_minute.get(nowminuteid) + "";
 settextviewstyle(mminutestr, mminuteadapter);

 }

 /**
 * 初始化时间
 */
 private void inithour() {
 calendar nowcalendar = calendar.getinstance();
 int nowhour = nowcalendar.get(calendar.hour_of_day);
 arry_hour.clear();
 for (int i = 0; i <= 23; i++) {
  arry_hour.add(i + "");
  if (nowhour == i){
  nowhourid = arry_hour.size() - 1;
  }
 }

 mhouradapter = new calendartextadapter(mcontext, arry_hour, nowhourid, max_text_size, min_text_size);
 mhourwheelview.setvisibleitems(5);
 mhourwheelview.setviewadapter(mhouradapter);
 mhourwheelview.setcurrentitem(nowhourid);
 mhourstr = arry_hour.get(nowhourid) + "";
 settextviewstyle(mhourstr, mhouradapter);
 }

 /**
 * 初始化年
 */
 private void inityear() {
 calendar nowcalendar = calendar.getinstance();
 int nowyear = nowcalendar.get(calendar.year);
 arry_year.clear();
 for (int i = 0; i <= 99; i++) {
  int year = nowyear -30 + i;
  arry_year.add(year + "年");
  if (nowyear == year) {
  nowyearid = arry_year.size() - 1;
  }
 }
 myearadapter = new calendartextadapter(mcontext, arry_year, nowyearid, max_text_size, min_text_size);
 myearwheelview.setvisibleitems(5);
 myearwheelview.setviewadapter(myearadapter);
 myearwheelview.setcurrentitem(nowyearid);
 myearstr = arry_year.get(nowyearid);
 }

 private void initview() {
 view view = layoutinflater.from(mcontext).inflate(r.layout.dialog_date_choose, null);
 mdialog.setcontentview(view);
 myearwheelview = (wheelview) view.findviewbyid(r.id.year_wv);
 mdatewheelview = (wheelview) view.findviewbyid(r.id.date_wv);
 mhourwheelview = (wheelview) view.findviewbyid(r.id.hour_wv);
 mminutewheelview = (wheelview) view.findviewbyid(r.id.minute_wv);
 mtitletextview = (textview) view.findviewbyid(r.id.title_tv);
 msurebutton = (button) view.findviewbyid(r.id.sure_btn);
 mclosedialog = (button) view.findviewbyid(r.id.date_choose_close_btn);
 mlongtermlayout = (linearlayout) view.findviewbyid(r.id.long_term_layout);
 mlongtermtextview = (textview) view.findviewbyid(r.id.long_term_tv);

 msurebutton.setonclicklistener(this);
 mclosedialog.setonclicklistener(this);
 mlongtermtextview.setonclicklistener(this);
 }

 /**
 * 初始化日期
 */
 private void initdate() {
 calendar nowcalendar = calendar.getinstance();
 int nowyear = nowcalendar.get(calendar.year);
 arry_date.clear();
 setdate(nowyear);
 mdateadapter = new calendartextadapter(mcontext, arry_date, nowdateid, max_text_size, min_text_size);
 mdatewheelview.setvisibleitems(5);
 mdatewheelview.setviewadapter(mdateadapter);
 mdatewheelview.setcurrentitem(nowdateid);

 mdatestr = arry_date.get(nowdateid);
 settextviewstyle(mdatestr, mdateadapter);
 }

 public void setdatedialogtitle(string title) {
 mtitletextview.settext(title);
 }

 public void settimepickergone(boolean isgone) {
 mblntimepickergone = isgone;
 if (isgone) {
  linearlayout.layoutparams yearparams = new linearlayout.layoutparams( linearlayout.layoutparams.wrap_content,
   linearlayout.layoutparams.wrap_content);
  yearparams.rightmargin = 22;

  linearlayout.layoutparams dateparams = new linearlayout.layoutparams( linearlayout.layoutparams.wrap_content,
   linearlayout.layoutparams.wrap_content);
  myearwheelview.setlayoutparams(yearparams);
  mdatewheelview.setlayoutparams(dateparams);

  mhourwheelview.setvisibility(view.gone);
  mminutewheelview.setvisibility(view.gone);
 } else {
  mhourwheelview.setvisibility(view.visible);
  mminutewheelview.setvisibility(view.visible);
 }

 }

 public void showlongterm(boolean show) {
 if (show) {
  mlongtermlayout.setvisibility(view.visible);
 } else {
  mlongtermlayout.setvisibility(view.gone);
 }

 }


 /**
 * 将改年的所有日期写入数组
 * @param year
 */
 private void setdate(int year){
 boolean isrun = isrunnian(year);
 calendar nowcalendar = calendar.getinstance();
 int nowmonth = nowcalendar.get(calendar.month) + 1;
 int nowday = nowcalendar.get(calendar.day_of_month);
 for (int month = 1; month <= 12; month++){
  switch (month){
  case 1:
  case 3:
  case 5:
  case 7:
  case 8:
  case 10:
  case 12:
   for (int day = 1; day <= 31; day++){
   arry_date.add(month + "月" + day + "日");

   if (month == nowmonth && day == nowday){
    nowdateid = arry_date.size() - 1;
   }
   }
   break;
  case 2:
   if (isrun){
   for (int day = 1; day <= 29; day++){
    arry_date.add(month + "月" + day + "日");
    if (month == nowmonth && day == nowday){
    nowdateid = arry_date.size() - 1;
    }
   }
   }else {
   for (int day = 1; day <= 28; day++){
    arry_date.add(month + "月" + day + "日");
    if (month == nowmonth && day == nowday){
    nowdateid = arry_date.size() - 1;
    }
   }
   }
   break;
  case 4:
  case 6:
  case 9:
  case 11:
   for (int day = 1; day <= 30; day++){
   arry_date.add(month + "月" + day + "日");
   if (month == nowmonth && day == nowday){
    nowdateid = arry_date.size() - 1;
   }
   }
   break;
  default:
   break;
  }
 }
 }

 /**
 * 判断是否是闰年
 * @param year
 * @return
 */
 private boolean isrunnian(int year){
 if(year % 4 == 0 && year % 100 !=0 || year % 400 == 0){
  return true;
 }else {
  return false;
 }
 }

 /**
 * 设置文字的大小
 * @param curriteitemtext
 * @param adapter
 */
 public void settextviewstyle(string curriteitemtext, calendartextadapter adapter) {
 arraylist<view> arraylist = adapter.gettestviews();
 int size = arraylist.size();
 string currenttext;
 for (int i = 0; i < size; i++) {
  textview textvew = (textview) arraylist.get(i);
  currenttext = textvew.gettext().tostring();
  if (curriteitemtext.equals(currenttext)) {
  textvew.settextsize(max_text_size);
  textvew.settextcolor(mcontext.getresources().getcolor(r.color.text_10));
  } else {
  textvew.settextsize(min_text_size);
  textvew.settextcolor(mcontext.getresources().getcolor(r.color.text_11));
  }
 }
 }

 @override
 public void onclick(view v) {
 switch (v.getid()) {
  case r.id.sure_btn://确定选择按钮监听
  if (mblntimepickergone) {
   datechooseinterface.getdatetime(strtimetodateformat(myearstr, mdatestr), mblnbelongterm);
  } else {
   datechooseinterface.getdatetime(strtimetodateformat(myearstr, mdatestr , mhourstr , mminutestr), mblnbelongterm);
  }
  dismissdialog();
  break;
  case r.id.date_choose_close_btn://关闭日期选择对话框
  dismissdialog();
  break;
  case r.id.long_term_tv://选择长期时间监听
  if (!mblnbelongterm) {
   mlongtermtextview.setbackgroundresource(r.drawable.gouxuanok);
   mblnbelongterm = true;
  } else {
   mlongtermtextview.setbackgroundresource(r.drawable.gouxuanno);
   mblnbelongterm = false;
  }
  default:
  break;
 }
 }

 /**
 * 对话框消失
 */
 private void dismissdialog() {

 if (looper.mylooper() != looper.getmainlooper()) {

  return;
 }

 if (null == mdialog || !mdialog.isshowing() || null == mcontext
  || ((activity) mcontext).isfinishing()) {

  return;
 }

 mdialog.dismiss();
 this.dismiss();
 }

 /**
 * 显示日期选择dialog
 */
 public void showdatechoosedialog() {

 if (looper.mylooper() != looper.getmainlooper()) {

  return;
 }

 if (null == mcontext || ((activity) mcontext).isfinishing()) {

  // 界面已被销毁
  return;
 }

 if (null != mdialog) {

  mdialog.show();
  return;
 }

 if (null == mdialog) {

  return;
 }

 mdialog.setcanceledontouchoutside(true);
 mdialog.show();
 }

 /**
 * xx年xx月xx日xx时xx分转成yyyy-mm-dd hh:mm
 * @param yearstr
 * @param datestr
 * @param hourstr
 * @param minutestr
 * @return
 */
 private string strtimetodateformat(string yearstr, string datestr, string hourstr, string minutestr) {

 return yearstr.replace("年", "-") + datestr.replace("月", "-").replace("日", " ")
  + hourstr + ":" + minutestr;
 }

 private string strtimetodateformat(string yearstr, string datestr) {

 return yearstr.replace("年", "-") + datestr.replace("月", "-").replace("日", "");
 }

 /**
 * 滚轮的adapter
 */
 private class calendartextadapter extends abstractwheeltextadapter {
 arraylist<string> list;

 protected calendartextadapter(context context, arraylist<string> list, int currentitem, int maxsize, int minsize) {
  super(context, r.layout.item_birth_year, r.id.tempvalue, currentitem, maxsize, minsize);
  this.list = list;
 }

 @override
 public view getitem(int index, view cachedview, viewgroup parent) {
  view view = super.getitem(index, cachedview, parent);
  return view;
 }

 @override
 public int getitemscount() {
  return list.size();
 }

 @override
 protected charsequence getitemtext(int index) {
  string str = list.get(index) + "";
  return str;
 }
 }

 /**
 * 回调选中的时间（默认时间格式"yyyy-mm-dd hh:mm:ss"）
 */
 public interface datechooseinterface{
 void getdatetime(string time, boolean longtimechecked);
 }

}
</span></span>

<span style="font-size:18px;"><span style="font-size:14px;">package com.andrew.datechoosewheelviewdemo;

import android.app.activity;
import android.os.bundle;
import android.view.view;
import android.widget.button;
import android.widget.textview;

public class mainactivity extends activity implements view.onclicklistener {
 private button mstartdatebutton;
 private button menddatebutton;
 private button mdatevalidbutton;
 private textview mshowcontenttextview;

 @override
 protected void oncreate(bundle savedinstancestate) {
 super.oncreate(savedinstancestate);
 setcontentview(r.layout.activity_main);

 mstartdatebutton = (button) this.findviewbyid(r.id.start_date_btn);
 menddatebutton = (button) this.findviewbyid(r.id.end_date_btn);
 mdatevalidbutton = (button) this.findviewbyid(r.id.date_valid_btn);
 mshowcontenttextview = (textview) this.findviewbyid(r.id.show_content_tv);

 mstartdatebutton.setonclicklistener(this);
 menddatebutton.setonclicklistener(this);
 mdatevalidbutton.setonclicklistener(this);
 }

 @override
 public void onclick(view v) {
 switch (v.getid()) {
  case r.id.start_date_btn://开始时间
  datechoosewheelviewdialog startdatechoosedialog = new datechoosewheelviewdialog(mainactivity.this, new datechoosewheelviewdialog.datechooseinterface() {
   @override
   public void getdatetime(string time, boolean longtimechecked) {
   mshowcontenttextview.settext(time);
   }
  });
  startdatechoosedialog.setdatedialogtitle("开始时间");
  startdatechoosedialog.showdatechoosedialog();
  break;
  case r.id.end_date_btn://结束时间
  datechoosewheelviewdialog enddatechoosedialog = new datechoosewheelviewdialog(mainactivity.this,
   new datechoosewheelviewdialog.datechooseinterface() {
    @override
    public void getdatetime(string time, boolean longtimechecked) {
    mshowcontenttextview.settext(time);
    }
   });
  enddatechoosedialog.settimepickergone(true);
  enddatechoosedialog.setdatedialogtitle("结束时间");
  enddatechoosedialog.showdatechoosedialog();
  break;
  case r.id.date_valid_btn://身份证有效期
  datechoosewheelviewdialog datevalidchoosedialog = new datechoosewheelviewdialog(mainactivity.this,
   new datechoosewheelviewdialog.datechooseinterface() {
    @override
    public void getdatetime(string time, boolean longtimechecked) {
    if (longtimechecked) {
     mshowcontenttextview.settext("长期 ");
    } else {
     mshowcontenttextview.settext(time);
    }
    }
   });
  datevalidchoosedialog.settimepickergone(true);
  datevalidchoosedialog.showlongterm(true);
  datevalidchoosedialog.setdatedialogtitle("身份证到期时间");
  datevalidchoosedialog.showdatechoosedialog();
  break;
  default:
  break;
 }

 }
}
</span></span>