本文实例为大家分享了WheelPicker自定义时间选择器控件的具体代码，供大家参考，具体内容如下
先上图：
使用android自带的DatePicker控件虽然也能实现功能，但样式不能改变。想要实现一些 自定义的样式，就要用到WheelPicker了。
要使用WheelPicker，需要先导入WheelPicker的引用：
1. 在project的build.gradle添加如下代码
allprojects {
repositories {
jcenter()
maven { url "https://jitpack.io" }
}
}
2. 在Module的build.gradle添加依赖
compile 'com.github.open-android:WheelPicker:v1.0.0'
3.复制如下代码到xml中：
<com.itheima.wheelpicker.WheelPicker
android:id="@ id/wheel_date_picker_month"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="16dp"
app:wheel_atmospheric="true"
app:wheel_curved="true"
app:wheel_cyclic="true"
app:wheel_selected_item_position="5"
app:wheel_item_text_color="@color/text_white"
app:wheel_selected_item_text_color="@color/orange"/>
- wheel_atmospheric : 条目颜色是否执行衔接处理 效果更好
- wheel_curved ： 是否是弧形状态显示
- wheel_cyclic : 是否可循环
- wheel_selected_item_position ： 默认选中第几个条目
然后使用即可。
页面代码：
package com.example.castedemo.user;
import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.widget.DatePicker;
import com.example.castedemo.R;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.List;
import butterknife.BindView;
import butterknife.ButterKnife;
import com.example.castedemo.user.bean.DayBean;
import com.itheima.wheelpicker.WheelPicker;
public class BirthdayActivity extends Activity {
private static final String TAG = "BirthdayActivity";
@BindView(R.id.wheel_date_picker_year)
WheelPicker wheelDatePickerYear;
@BindView(R.id.wheel_date_picker_month)
WheelPicker wheelDatePickerMonth;
@BindView(R.id.wheel_date_picker_day)
WheelPicker wheelDatePickerDay;
List<Integer> yearList = new ArrayList<Integer>();
List<Integer> monthList = new ArrayList<Integer>();
int[] dayArr = {31,28,31,30,31,30,31,31,30,31,30,31};
int[] runDayArr = {31,29,31,30,31,30,31,31,30,31,30,31};
List<DayBean> dayBeans = new ArrayList<DayBean>();
List<DayBean> runDayBeans = new ArrayList<DayBean>();
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_birthday);
ButterKnife.bind(this);
initWheelDate();
wheelDatePickerYear.setOnWheelChangeListener(new WheelPicker.OnWheelChangeListener() {
@Override
public void onWheelScrolled(int i) {
}
@Override
public void onWheelSelected(int i) {
updateYearValue(i 1900);
}
@Override
public void onWheelScrollStateChanged(int i) {
}
});
wheelDatePickerMonth.setOnWheelChangeListener(new WheelPicker.OnWheelChangeListener() {
@Override
public void onWheelScrolled(int i) {
}
@Override
public void onWheelSelected(int i) {
int year = wheelDatePickerYear.getCurrentItemPosition() 1900;
Log.e(TAG,"month i=" i);
updateDayValue(year,i);
}
@Override
public void onWheelScrollStateChanged(int i) {
}
});
}
public void initWheelDate() {
Calendar calendar = Calendar.getInstance();
Log.e(TAG,"calendar = " calendar.toString());
//年
for(int i=1900;i<2018;i ){
yearList.add(i);
}
wheelDatePickerYear.setData(yearList);
//月
for(int i=0;i<12;i ){
monthList.add(i 1);
}
wheelDatePickerMonth.setData(monthList);
wheelDatePickerYear.setSelectedItemPosition(calendar.get(Calendar.YEAR));
wheelDatePickerMonth.setSelectedItemPosition(calendar.get(Calendar.MONTH));
//日
updateYearValue(wheelDatePickerYear.getCurrentItemPosition() 1900);
wheelDatePickerDay.setSelectedItemPosition(calendar.get(Calendar.DAY_OF_MONTH)-1);
}
/*
* 根据年份判断每月有几天
* */
public void updateYearValue(int year){
int month = wheelDatePickerMonth.getCurrentItemPosition();
if(isRunYear(year)){
for(int i=0;i<12;i ){
DayBean dayBean = new DayBean();
dayBean.setMonth(i 1);
List<Integer> rundayList = new ArrayList<Integer>();
for(int j=1;j<=runDayArr[i];j ){
rundayList.add(j);
dayBean.setDay(rundayList);
}
runDayBeans.add(dayBean);
// Log.e(TAG,"rundaybeans=" runDayBeans.get(i).getMonth() ",days=" runDayBeans.get(i).getDay().toArray());
if(month ==i){
wheelDatePickerDay.setData(runDayBeans.get(month).getDay());
}
}
}else{
for(int i=0;i<12;i ){
DayBean dayBean = new DayBean();
dayBean.setMonth(i 1);
List<Integer> dayList = new ArrayList<Integer>();
for(int j=1;j<=dayArr[i];j ){
dayList.add(j);
dayBean.setDay(dayList);
}
dayBeans.add(dayBean);
// Log.e(TAG,"daybeans=" dayBeans.get(i).getMonth() ",day=" dayBeans.get(i).getDay());
if(month ==i){
wheelDatePickerDay.setData(dayBeans.get(month).getDay());
}
}
}
}
/*
* 根据年份和月份判断该月有几天
* */
public void updateDayValue(int year,int month){
if(isRunYear(year)){
for(int i=0;i<runDayBeans.size();i ){
if(month == i){
wheelDatePickerDay.setData(runDayBeans.get(i).getDay());
}
}
}else{
for(int i=0;i<dayBeans.size();i ){
if(month == i){
wheelDatePickerDay.setData(dayBeans.get(i).getDay());
}
}
}
}
public boolean isRunYear(int year){
if(year%4==0 && year0 !=0 ||year@0 ==0){
System.out.println(year "是闰年");
return true;
} else{
System.out.println(year "不是闰年!");
return false;
}
}
}
布局文件：
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_marginLeft="20dp"
android:layout_marginRight="20dp"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.example.castedemo.user.BirthdayActivity">
<TextView
android:text="填写生日"
android:gravity="center"
android:layout_width="match_parent"
android:layout_height="48dp" />
<View
android:layout_above="@ id/ll_birth"
android:layout_marginBottom="20dp"
android:background="@color/text_gray"
android:layout_width="match_parent"
android:layout_height="0.3dp"/>
<LinearLayout
android:id="@ id/ll_birth"
android:layout_centerInParent="true"
android:layout_width="wrap_content"
android:layout_height="wrap_content">
<com.itheima.wheelpicker.WheelPicker
android:id="@ id/wheel_date_picker_year"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
app:wheel_atmospheric="true"
app:wheel_curved="true"
app:wheel_cyclic="true"
app:wheel_selected_item_position="5"
app:wheel_item_text_color="@color/text_white"
app:wheel_selected_item_text_color="@color/orange"/>
<TextView
android:text="年"
android:layout_marginLeft="6dp"
android:layout_gravity="center_vertical"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
<com.itheima.wheelpicker.WheelPicker
android:id="@ id/wheel_date_picker_month"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="16dp"
app:wheel_atmospheric="true"
app:wheel_curved="true"
app:wheel_cyclic="true"
app:wheel_selected_item_position="5"
app:wheel_item_text_color="@color/text_white"
app:wheel_selected_item_text_color="@color/orange"/>
<TextView
android:text="月"
android:layout_marginLeft="6dp"
android:layout_gravity="center_vertical"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
<com.itheima.wheelpicker.WheelPicker
android:id="@ id/wheel_date_picker_day"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
app:wheel_atmospheric="true"
android:layout_marginLeft="16dp"
app:wheel_curved="true"
app:wheel_cyclic="true"
app:wheel_selected_item_position="5"
app:wheel_item_text_color="@color/text_white"
app:wheel_selected_item_text_color="@color/orange"/>
<TextView
android:text="日"
android:layout_marginLeft="6dp"
android:layout_gravity="center_vertical"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
</LinearLayout>
<View
android:id="@ id/view_bottom"
android:layout_below="@ id/ll_birth"
android:layout_marginTop="20dp"
android:background="@color/text_gray"
android:layout_width="match_parent"
android:layout_height="0.3dp"/>
<LinearLayout
android:layout_marginTop="30dp"
android:layout_below="@ id/view_bottom"
android:gravity="center_horizontal"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<Button
android:id="@ id/btn_cancel"
android:textColor="@color/text_white"
android:background="@drawable/border_trans_style"
android:text="取消"
android:padding="5dp"
android:layout_width="60dp"
android:layout_height="wrap_content" />
<Button
android:id="@ id/btn_save"
android:background="@drawable/border_trans_style"
android:textColor="@color/text_white"
android:text="保存"
android:padding="5dp"
android:layout_marginLeft="20dp"
android:layout_width="60dp"
android:layout_height="wrap_content" />
</LinearLayout>
</RelativeLayout>
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Devmax。