/**
* 时间选择器
*
*/
public class DatePicker {
private Context mContext;
private SparseArray<View> mViews;
private int mlayoutResId;
private PopupWindow popupWindow;
private View vPopupWindow;
List<String> textList1 = new ArrayList<>();
List<String> textList2 = new ArrayList<>();
List<String> textList3 = new ArrayList<>();
List<String> textList4 = new ArrayList<>();
private int year;
private int month;
private int day;
private String time;
private int hour;
private int howday;
private String week;
private int minute;
private WheelView wheelView1;
private WheelView wheelView2;
private WheelView wheelView3;
private WheelView wheelView4;
private TextView tvCancel;
public DatePicker(Context context, int pop_show, View view) {
this.mContext = context;
this.mlayoutResId = pop_show;
this.mViews = new SparseArray<>();
}
public void ShowPickerPopupWindow(){
LayoutInflater inflater = (LayoutInflater) mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
vPopupWindow = inflater.inflate(mlayoutResId, null, false);//引入弹窗布局
popupWindow = new PopupWindow(vPopupWindow, ActionBar.LayoutParams.MATCH_PARENT, ActionBar.LayoutParams.WRAP_CONTENT, true);
//引入依附的布局
View parentView = LayoutInflater.from(mContext).inflate(R.layout.activity_main, null);
popupWindow.setAnimationStyle(R.style.PopupWindowAnimation);
popupWindow.showAtLocation(parentView, Gravity.BOTTOM, 0, 0);
addBackground();
//初始化控件
tvCancel = (TextView)vPopupWindow.findViewById(R.id.tv_cancel);
wheelView1 = (WheelView) vPopupWindow.findViewById(R.id.wheelview);
wheelView2 = (WheelView) vPopupWindow.findViewById(R.id.wheelview2);
wheelView3 = (WheelView) vPopupWindow.findViewById(R.id.wheelview3);
wheelView4 = (WheelView) vPopupWindow.findViewById(R.id.wheelview4);
//获取当前时间
Calendar c = Calendar.getInstance();
year = c.get(Calendar.YEAR);
month = c.get(Calendar.MONTH);
day = c.get(Calendar.DAY_OF_MONTH);
hour = c.get(Calendar.HOUR_OF_DAY);
minute = c.get(Calendar.MINUTE);
time = hour+":"+minute;
initYear();
initMonth();
initDay();
initTime();
//取消
tvCancel.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
popupWindow.dismiss();
}
});
}
//添加弹窗半透明背景
private void addBackground() {
// 主界面变暗
WindowManager.LayoutParams params = ((Activity) mContext).getWindow().getAttributes();
params.alpha = 0.7f;
((Activity) mContext).getWindow().setAttributes(params);
//dismiss时恢复原样
popupWindow.setOnDismissListener(new PopupWindow.OnDismissListener() {
@Override
public void onDismiss() {
WindowManager.LayoutParams lp = ((Activity) mContext).getWindow().getAttributes();
lp.alpha = 1f;
((Activity) mContext).getWindow().setAttributes(lp);
}
});
}
/**
* 初始化年
*/
private void initYear() {
for (int i = 2000;i<=2100;i++){
textList1.add(i+"");
}
wheelView1.setWheelAdapter(new ArrayWheelAdapter(mContext)); // 文本数据源
wheelView1.setSkin(WheelView.Skin.Holo); // common皮肤
wheelView1.setLoop(true);
wheelView1.setWheelData(textList1); // 数据集合
wheelView1.setSelection(year-2000);
wheelView1.setOnWheelItemSelectedListener(new WheelView.OnWheelItemSelectedListener() {
@Override
public void onItemSelected(int position, Object o) {
year = Integer.parseInt(textList1.get(position));
setDay();
}
});
}
/**
* 初始化月
*/
private void initMonth() {
for (int i = 1;i<=12;i++){
textList2.add( String.format("%02d", i) );
}
wheelView2.setWheelAdapter(new ArrayWheelAdapter(mContext)); // 文本数据源
wheelView2.setSkin(WheelView.Skin.Holo); // common皮肤
wheelView2.setWheelData(textList2); // 数据集合
wheelView2.setLoop(true);
wheelView2.setSelection(month);
wheelView2.setOnWheelItemSelectedListener(new WheelView.OnWheelItemSelectedListener() {
@Override
public void onItemSelected(int position, Object o) {
month = Integer.parseInt(textList2.get(position));
setDay();
}
});
}
/**
* 初始化日
*/
private void initDay() {
howday=getDay(year,month); //获取本月的天数
for (int i = 1;i<=howday;i++){
textList3.add( String.format("%02d", i) );
}
wheelView3.setWheelAdapter(new ArrayWheelAdapter(mContext)); // 文本数据源
wheelView3.setSkin(WheelView.Skin.Holo); // common皮肤
wheelView3.setWheelData(textList3); // 数据集合
wheelView3.setLoop(true);
wheelView3.setSelection(day+2);
}
/**
* 设置日
*/
private void setDay() {
textList3.clear(); //清空集合
howday=getDay(year,month); //获取本月的天数
for (int i = 1;i<=howday;i++){
textList3.add( String.format("%02d", i) );
}
wheelView3.setWheelData(textList3); // 数据集合
wheelView3.setOnWheelItemSelectedListener(new WheelView.OnWheelItemSelectedListener() {
@Override
public void onItemSelected(int position, Object o) {
day = Integer.parseInt(textList3.get(position));
}
});
}
/**
* 初始化时分
*/
private void initTime() {
for (int i = 0 ; i < 24 ; i++){
for (int j = 0 ; j<=5 ; j++){
textList4.add(String.format("%02d",i)+":"+j+"0");
}
}
wheelView4.setWheelAdapter(new ArrayWheelAdapter(mContext)); // 文本数据源
wheelView4.setSkin(WheelView.Skin.Holo); // common皮肤
wheelView4.setLoop(true);
wheelView4.setWheelData(textList4); // 数据集合
setSelection(wheelView4,hour,minute);
wheelView4.setOnWheelItemSelectedListener(new WheelView.OnWheelItemSelectedListener() {
@Override
public void onItemSelected(int position, Object o) {
time = textList4.get(position);
}
});
}
/**
* 根据当前时间设置默认选中项
* @param wheelView4
* @param hour
* @param minute
*/
private void setSelection(WheelView wheelView4, int hour, int minute) {
if (minute<10){
wheelView4.setSelection((hour *6)+0);
} else if (minute>=10&&minute<20){
wheelView4.setSelection((hour *6)+1);
}else if (minute>=20&&minute<30){
wheelView4.setSelection((hour *6)+2);
} else if (minute>=30&&minute<40){
wheelView4.setSelection((hour *6)+3);
}else if (minute>=40&&minute<50){
wheelView4.setSelection((hour *6)+4);
}else if (minute>=50&&minute<60){
wheelView4.setSelection((hour *6)+5);
}
}
/**
*根据是否闰年和月份判断本月的天数
* @param year
* @param month
* @return
*/
private int getDay(int year, int month) {
int day = 30;
boolean flag = false;
switch (year % 4) {
case 0:
flag = true;
break;
default:
flag = false;
break;
}
switch (month) {
case 1:
case 3:
case 5:
case 7:
case 8:
case 10:
case 12:
day = 31;
break;
case 2:
day = flag ? 29 : 28;
break;
default:
day = 30;
break;
}
return day;
}
/**
* 基姆拉尔森计算公式根据日期判断星期几
* @param y
* @param m
* @param d
* @return
*/
public String CalculateWeekDay(int y, int m, int d) {
if (m == 1 || m == 2) {
m += 12;
y--;
}
int iWeek = (d + 2 * m + 3 * (m + 1) / 5 + y + y / 4 - y / 100 + y / 400) % 7;
switch (iWeek) {
case 0:
week="星期一";
break;
case 1:
week="星期二";
break;
case 2:
week="星期三";
break;
case 3:
week="星期四";
break;
case 4:
week="星期五";
break;
case 5:
week="星期六";
break;
case 6:
week="星期日";
break;
}
return week;
}
/**
* 根据id获取view
*
* @param viewId
* @return
*/
public View getItemView(int viewId) {
if (popupWindow != null) {
return popupWindow.getContentView().findViewById(viewId);
}
return null;
}
/**
* 根据id设置pop内部的控件的点击事件的监听
*
* @param viewId
* @param listener
*/
public void setOnClickListener(int viewId, View.OnClickListener listener) {
View view = getItemView(viewId);
view.setOnClickListener(listener);
}
/**
* popup 消失
*/
public void dismiss() {
if (popupWindow != null && popupWindow.isShowing()) {
popupWindow.dismiss();
}
}
/**
* 获取月日
* @return
*/
public String getDate(){
return month+"月"+day+"日";
}
/**
* 获取星期
* @return
*/
public String getWeek(){
return CalculateWeekDay(year, month, day);
}
/**
* 获取时分
* @return
*/
public String getTime(){
return time;
}
}
来源：https://blog.csdn.net/weixin_39654467/article/details/100085918