Android自定义控件之日期选择控件使用详解

Android日期选择控件效果如下:

调用的代码:

@OnClick(R.id.btn0)
 public void btn0() {
 final AlertDialog dialog = new AlertDialog.Builder(context).create();
 dialog.show();
 Window window = dialog.getWindow();
 window.setContentView(R.layout.dialog_change_date);
 window.setBackgroundDrawable(new ColorDrawable(0x00000000)); // 处理5.0以上对话框的白边问题
 window.setGravity(Gravity.BOTTOM);
 final DatePickerView datePickerView = (DatePickerView) window.findViewById(R.id.datePickerView);

 //打开页面时需要选中的日期 TODO
 datePickerView.setDate(2015, 5, 11);
 // datePickerView.setDate(birthdayArray[0], birthdayArray[1], birthdayArray[2]);

 final int[] birthdayArray = new int[3];
 datePickerView.addOnSelectedChangingListener(new DatePickerView.OnSelectedChangedListener() {
 @Override
 public void OnSelectedChanged(int[] oldValue, int[] newValue) {
 birthdayArray[0] = newValue[0];
 birthdayArray[1] = newValue[1];
 birthdayArray[2] = newValue[2];
 }
 });
 window.findViewById(R.id.tvCancel).setOnClickListener(new View.OnClickListener() {
 @Override
 public void onClick(View view) {
 dialog.dismiss();
 }
 });
 window.findViewById(R.id.tvOK).setOnClickListener(new View.OnClickListener() {
 @Override
 public void onClick(View view) {
 dialog.dismiss();

 btn0.setText(birthdayArray[0] + "年" + birthdayArray[1] + "月" + birthdayArray[2] + "日");
 }
 });

 }

1.WheelView 源码(有修改)

2.xml布局文件

<?xml version="1.0" encoding="utf-8"?>
<!--widget_date_picker.xml-->
<!--注意修改页面自定义控件的包名-->
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
  android:layout_width="match_parent"
  android:layout_height="wrap_content"
  android:orientation="horizontal">

 <de.bvb.rxdemo.widget.DateSelectWidget.wheelview.WheelView
 android:id="@+id/wheelViewYear"
 android:layout_width="0dp"
 android:layout_height="match_parent"
 android:layout_gravity="center"
 android:layout_weight="1"/>

 <de.bvb.rxdemo.widget.DateSelectWidget.wheelview.WheelView
 android:id="@+id/wheelViewMonth"
 android:layout_width="0dp"
 android:layout_height="match_parent"
 android:layout_gravity="center"
 android:layout_weight="1"/>

 <de.bvb.rxdemo.widget.DateSelectWidget.wheelview.WheelView
 android:id="@+id/wheelViewDay"
 android:layout_width="0dp"
 android:layout_height="match_parent"
 android:layout_gravity="center"
 android:layout_weight="1"/>

</LinearLayout>

<?xml version="1.0" encoding="utf-8"?>
<!--dialog_change_date.xml-->
<!--注意修改页面自定义控件的包名-->
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
  android:layout_width="match_parent"
  android:layout_height="match_parent"
  android:background="@android:color/transparent"
  android:gravity="bottom"
  android:orientation="vertical">

 <LinearLayout
 android:layout_width="match_parent"
 android:layout_height="wrap_content"
 android:background="@android:color/white"
 android:orientation="vertical">

 <LinearLayout
  android:layout_width="match_parent"
  android:layout_height="48dp"
  android:orientation="horizontal">

  <TextView
  android:id="@+id/tvCancel"
  android:layout_width="0dp"
  android:layout_height="match_parent"
  android:layout_weight="1"
  android:background="#F9F9F9"
  android:gravity="center"
  android:text="取消"
  android:textColor="#43AAFC"/>

  <View
  android:layout_width="1px"
  android:layout_height="match_parent"
  android:background="#D7D7D7"/>

  <TextView
  android:id="@+id/tvOK"
  android:layout_width="0dp"
  android:layout_height="match_parent"
  android:layout_weight="1"
  android:background="#F9F9F9"
  android:gravity="center"
  android:text="确定"
  android:textColor="#43AAFC"/>

 </LinearLayout>

 <View
  android:layout_width="match_parent"
  android:layout_height="1px"
  android:background="#D7D7D7"/>

 <de.bvb.rxdemo.widget.DateSelectWidget.DatePickerView
  android:id="@+id/datePickerView"
  android:layout_width="match_parent"
  android:layout_height="wrap_content"/>

 </LinearLayout>
</LinearLayout>

3.java文件

package de.bvb.rxdemo.widget.DateSelectWidget;

import android.content.Context;
import android.util.AttributeSet;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.LinearLayout;
import android.widget.TextView;

import java.util.ArrayList;

import de.bvb.rxdemo.R;
import de.bvb.rxdemo.widget.DateSelectWidget.wheelview.OnWheelChangedListener;
import de.bvb.rxdemo.widget.DateSelectWidget.wheelview.OnWheelScrollListener;
import de.bvb.rxdemo.widget.DateSelectWidget.wheelview.WheelView;
import de.bvb.rxdemo.widget.DateSelectWidget.wheelview.adapter.AbstractWheelTextAdapter1;


public class DatePickerView extends LinearLayout {


 private static final int YEAR_MIN = 1950;
 private static final int YEAR_MAX = 2025;

 private int year = YEAR_MIN;
 private int month = 1;
 private int day = 1;


 private ArrayList<Integer> yearList = new ArrayList<>(YEAR_MAX - YEAR_MIN + 1);
 private ArrayList<Integer> monthList = new ArrayList<>(12);
 private ArrayList<Integer> dayList = new ArrayList<>(31);

 private DateTextAdapter yearAdapter;
 private DateTextAdapter monthAdapter;
 private DateTextAdapter dayAdapter;

 private Context context;
 private WheelView wheelViewYear;
 private WheelView wheelViewMonth;
 private WheelView wheelViewDay;

 public DatePickerView(Context context) {
 this(context, null);
 }

 public DatePickerView(Context context, AttributeSet attrs) {
 this(context, attrs, 0);
 }

 public DatePickerView(Context context, AttributeSet attrs, int defStyleAttr) {
 super(context, attrs, defStyleAttr);
 this.context = context;
 init();
 }

 private void init() {
 for (int i = YEAR_MIN; i < YEAR_MAX + 1; i++) {
 yearList.add(i);
 }
 for (int i = 1; i < 13; i++) {
 monthList.add(i);
 }
 for (int i = 1; i < 32; i++) {
 dayList.add(i);
 }

 LayoutInflater.from(context).inflate(R.layout.widget_date_picker, this);
 // View.inflate(context, R.layout.widget_date_picker, this);

 wheelViewYear = (WheelView) findViewById(R.id.wheelViewYear);
 wheelViewMonth = (WheelView) findViewById(R.id.wheelViewMonth);
 wheelViewDay = (WheelView) findViewById(R.id.wheelViewDay);

 wheelViewYear.setCyclic(true);// 可循环滚动
 wheelViewMonth.setCyclic(true);// 可循环滚动
 wheelViewDay.setCyclic(true);// 可循环滚动

 yearAdapter = new DateTextAdapter(context);
 monthAdapter = new DateTextAdapter(context);
 dayAdapter = new DateTextAdapter(context);

 yearAdapter.setList(yearList);
 monthAdapter.setList(monthList);
 dayAdapter.setList(dayList);

 wheelViewYear.setViewAdapter(yearAdapter);
 wheelViewMonth.setViewAdapter(monthAdapter);
 wheelViewDay.setViewAdapter(dayAdapter);

 wheelViewYear.addChangingListener(new OnWheelChangedListener() {
 @Override
 public void onChanged(WheelView wheel, int oldValue, int newValue) {
 year = YEAR_MIN + newValue;
 int days = calcDay(year, month); // days=28
 dayList = getDayList(days);
 dayAdapter.setList(dayList);
 if (day > days) {
  dayAdapter.currentIndex = days - 1;
  wheelViewDay.setCurrentItem(dayAdapter.currentIndex);
 } else {
  dayAdapter.currentIndex = day - 1; // day = 30
 }

 if (onSelectedChangedListener != null) {
  onSelectedChangedListener.OnSelectedChanged(parseInt2Array(YEAR_MIN + oldValue, month, day), getSelectDate());
 }
 }
 });

 wheelViewMonth.addChangingListener(new OnWheelChangedListener() {
 @Override
 public void onChanged(WheelView wheel, int oldValue, int newValue) {
 month = 1 + newValue;
 int days = calcDay(year, month); // days=28
 dayList = getDayList(days);
 dayAdapter.setList(dayList);
 if (day > days) {
  dayAdapter.currentIndex = days - 1;
  wheelViewDay.setCurrentItem(dayAdapter.currentIndex);
 } else {
  dayAdapter.currentIndex = day - 1; // day = 30
 }

 if (onSelectedChangedListener != null) {
  onSelectedChangedListener.OnSelectedChanged(parseInt2Array(year, 1 + oldValue, day), getSelectDate());
 }
 }
 });

 wheelViewDay.addChangingListener(new OnWheelChangedListener() {
 @Override
 public void onChanged(WheelView wheel, int oldValue, int newValue) {
 day = 1 + newValue;
 if (onSelectedChangedListener != null) {
  onSelectedChangedListener.OnSelectedChanged(parseInt2Array(year, month, oldValue + 1), getSelectDate());
 }
 }
 });

 wheelViewYear.addScrollingListener(onWheelScrollListener);
 wheelViewMonth.addScrollingListener(onWheelScrollListener);
 wheelViewDay.addScrollingListener(onWheelScrollListener);
 }

 OnWheelScrollListener onWheelScrollListener = new OnWheelScrollListener() {
 @Override
 public void onScrollingStarted(WheelView wheel) {

 }

 @Override
 public void onScrollingFinished(WheelView wheel) {
 setTextViewStyle();
 }
 };

 private void setTextViewStyle() {
 setTextViewSize(year + "", yearAdapter);
 setTextViewSize(month + "", monthAdapter);
 setTextViewSize(day + "", dayAdapter);
 }

 private void setTextViewSize(String currentItemText, AbstractWheelTextAdapter1 adapter) {
 ArrayList<View> arrayList = adapter.getTextViews();
 int size = arrayList.size();
 String currentText;
 TextView textView;
 boolean current;
 for (int i = 0; i < size; i++) {
 textView = (TextView) arrayList.get(i);
 currentText = textView.getText().toString();
 current = currentItemText.equals(currentText);
 textView.setTextColor(current ? adapter.selected_text_color : adapter.un_selected_text_color);
 textView.setTextSize(current ? adapter.selected_text_size : adapter.un_selected_text_size);
 }
 }

 /**
 * 设置控件的初始值
 *
 * @param year
 * @param month
 * @param day
 */
 public void setDate(int year, int month, int day) {
 //验证合法性
 if (year > YEAR_MAX || year < YEAR_MIN) {
 year = YEAR_MIN;
// throw new RuntimeException("年份必须在[" + YEAR_MIN + "," + YEAR_MAX + "]之间");
 }
 if (month > 12 || month < 1) {
 month = 1;
// throw new RuntimeException("月份份必须在[" + 1 + "," + 12 + "]之间");
 }
 final int days = calcDay(year, month);
 if (day > days || day < 1) {
 day = 1;
// throw new RuntimeException("日期份必须在[" + 1 + "," + days + "]之间");
 }

 this.year = year;
 this.month = month;
 this.day = day;

 yearAdapter.currentIndex = DatePickerView.this.year - YEAR_MIN;
 monthAdapter.currentIndex = DatePickerView.this.month - 1;
 dayAdapter.currentIndex = DatePickerView.this.day - 1;

 wheelViewYear.setCurrentItem(yearAdapter.currentIndex);
 wheelViewMonth.setCurrentItem(monthAdapter.currentIndex);
 wheelViewDay.setCurrentItem(dayAdapter.currentIndex);
 }

 public void addOnSelectedChangingListener(OnSelectedChangedListener onSelectedChangedListener) {
 this.onSelectedChangedListener = onSelectedChangedListener;
 }

 private OnSelectedChangedListener onSelectedChangedListener;

 public interface OnSelectedChangedListener {
 void OnSelectedChanged(int[] oldValue, int[] newValue);
 }

 private int[] parseInt2Array(int year, int month, int day) {
 return new int[]{year, month, day};
 }

 private int[] getSelectDate() {
 return new int[]{year, month, day};
 }

 private ArrayList<Integer> getDayList(int days) {
 if (days <= 0) {
 return null;
 }
 ArrayList<Integer> list = new ArrayList(days);
 for (int i = 1; i < days + 1; i++) {
 list.add(i);
 }
 return list;
 }

 private int calcDay(int year, int month) {
 int days = 0;
 switch (month) {
 case 1:
 case 3:
 case 5:
 case 7:
 case 8:
 case 10:
 case 12:
 days = 31;
 break;
 case 4:
 case 6:
 case 9:
 case 11:
 days = 30;
 break;
 case 2:
 days = (year % 400 == 0 || (year % 100 != 0 && year % 4 == 0)) ? 29 : 28;
 break;
 }
 return days;
 }

 private class DateTextAdapter extends AbstractWheelTextAdapter1 {
 ArrayList<Integer> list;

 public DateTextAdapter(Context context) {
 super(context, android.R.layout.simple_list_item_1);
// super(context, R.layout.item_birth_year);
// setItemTextResource(R.id.tempValue);

// item_birth_year.xml 内容如下
// <?xml version="1.0" encoding="utf-8"?>
// <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
// android:layout_width="match_parent"
// android:layout_height="35dip"
// android:gravity="center"
// android:orientation="horizontal">
// <TextView
//  android:id="@+id/tempValue"
//  android:layout_width="match_parent"
//  android:layout_height="match_parent"
//  android:gravity="center"
//  android:textColor="#ffff0000"/>
// </LinearLayout>
 }

 public void setList(ArrayList<Integer> list) {
 this.list = list;
 notifyDataChangedEvent();
 }

 @Override
 protected CharSequence getItemText(int index) {
 return list == null ? "" : String.valueOf(list.get(index));
 }

 @Override
 public int getItemsCount() {
 return list == null ? 0 : list.size();
 }
 }
}

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。

# Android日期选择控件  # Android日期控件  # Android选择控件  # Android开发之滑动数值选择器NumberPicker用法示例  # Android自定义标尺滑动选择值效果  # android view实现横向滑动选择  # Android实现滑动选择控件实例代码  # Android自定义View实现左右滑动选择出生年份  # 轻松实现可扩展自定义的Android滚轮时间选择控件  # Android高仿IOS 滚轮选择控件  # android实现双日期选择控件（可隐藏日  # 只显示年月）  # Android滚轮选择时间控件使用详解  # Android PickerScrollView滑动选择控件使用方法详解  # 自定义  # 对话框  # 大家多多  # 时需  # android  # xmlns  # widget_date_picker  # LinearLayout  # http  # layout_width  # match_parent  # layout_height  # schemas  # apk  # res  # WheelView  # xml  # dismiss  # tvOK  # setText 

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