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@ -19,6 +19,7 @@ package net.micode.notes.ui;
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import java.text.DateFormatSymbols;
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import java.text.DateFormatSymbols;
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import java.util.Calendar;
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import java.util.Calendar;
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import net.micode.notes.R;
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import net.micode.notes.R;
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import net.micode.notes.ui.DateTimePicker.OnDateTimeChangedListener;
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import android.content.Context;
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import android.content.Context;
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import android.text.format.DateFormat;
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import android.text.format.DateFormat;
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import android.view.View;
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import android.view.View;
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@ -142,21 +143,24 @@ public class DateTimePicker extends FrameLayout {
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}
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}
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//hour改变对日期的影响
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//hour改变对日期的影响
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// 如果偏移量不为零，则通过添加偏移量（以小时为单位）来调整日期
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if (offset != 0) {
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if (offset != 0) {
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mDate.add(Calendar.HOUR_OF_DAY, offset);
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mDate.add(Calendar.HOUR_OF_DAY, offset);// 更新小时选择器以反映当前小时
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mHourSpinner.setValue(getCurrentHour());
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mHourSpinner.setValue(getCurrentHour());// 根据更改更新日期控件
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updateDateControl();
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updateDateControl();// 获取调整后的新小时
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int newHour = getCurrentHourOfDay();
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int newHour = getCurrentHourOfDay();
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// 检查新小时是否在一天的后半部分
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if (newHour >= HOURS_IN_HALF_DAY) {
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if (newHour >= HOURS_IN_HALF_DAY) {
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mIsAm = false;
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mIsAm = false;// 将时间设置为下午
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updateAmPmControl();
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updateAmPmControl();// 更新上午/下午控件以反映更改
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} else {
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} else {
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mIsAm = true;
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mIsAm = true;
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updateAmPmControl();
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updateAmPmControl();
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}
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}
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}
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}
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mDate.set(Calendar.MINUTE, newVal);
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mDate.set(Calendar.MINUTE, newVal);// 将日期中的分钟设置为新值
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onDateTimeChanged();
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onDateTimeChanged();//通知时间和日期已更改
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}
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}
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};
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};
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@ -165,11 +169,11 @@ public class DateTimePicker extends FrameLayout {
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@Override
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@Override
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public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
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public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
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mIsAm = !mIsAm;
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mIsAm = !mIsAm; // 切换上午和下午状态
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if (mIsAm) {
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if (mIsAm) {
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mDate.add(Calendar.HOUR_OF_DAY, -HOURS_IN_HALF_DAY);
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mDate.add(Calendar.HOUR_OF_DAY, -HOURS_IN_HALF_DAY);// 如果是上午，减去半天的小时数
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} else {
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} else {
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mDate.add(Calendar.HOUR_OF_DAY, HOURS_IN_HALF_DAY);
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mDate.add(Calendar.HOUR_OF_DAY, HOURS_IN_HALF_DAY);// 如果是下午，加上半天的小时数
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}
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}
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updateAmPmControl();
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updateAmPmControl();
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onDateTimeChanged();
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onDateTimeChanged();
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@ -249,12 +253,14 @@ public class DateTimePicker extends FrameLayout {
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if (mIsEnabled == enabled) {
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if (mIsEnabled == enabled) {
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return;
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return;
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}
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}
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// 设置日期、分钟、小时、上午/下午控件是否可用
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super.setEnabled(enabled);
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super.setEnabled(enabled);
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mDateSpinner.setEnabled(enabled);
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mDateSpinner.setEnabled(enabled);
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mMinuteSpinner.setEnabled(enabled);
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mMinuteSpinner.setEnabled(enabled);
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mHourSpinner.setEnabled(enabled);
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mHourSpinner.setEnabled(enabled);
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mAmPmSpinner.setEnabled(enabled);
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mAmPmSpinner.setEnabled(enabled);
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mIsEnabled = enabled;
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mIsEnabled = enabled;// 更新控件状态
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}
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}
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@ -322,12 +328,16 @@ public class DateTimePicker extends FrameLayout {
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onDateTimeChanged();
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onDateTimeChanged();
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}
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}
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/*
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* 获取当前月份
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*/
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public int getCurrentMonth() {
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public int getCurrentMonth() {
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return mDate.get(Calendar.MONTH);
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return mDate.get(Calendar.MONTH);
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}
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}
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/*
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* 设置当前月份
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*/
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public void setCurrentMonth(int month) {
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public void setCurrentMonth(int month) {
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if (!mInitialising && month == getCurrentMonth()) {
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if (!mInitialising && month == getCurrentMonth()) {
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return;
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return;
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@ -337,12 +347,16 @@ public class DateTimePicker extends FrameLayout {
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onDateTimeChanged();
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onDateTimeChanged();
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}
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}
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/*
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* 获取当前日期
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*/
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public int getCurrentDay() {
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public int getCurrentDay() {
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return mDate.get(Calendar.DAY_OF_MONTH);
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return mDate.get(Calendar.DAY_OF_MONTH);
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}
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}
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/*
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* 设置当前日期
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*/
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public void setCurrentDay(int dayOfMonth) {
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public void setCurrentDay(int dayOfMonth) {
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if (!mInitialising && dayOfMonth == getCurrentDay()) {
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if (!mInitialising && dayOfMonth == getCurrentDay()) {
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return;
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return;
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@ -352,54 +366,68 @@ public class DateTimePicker extends FrameLayout {
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onDateTimeChanged();
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onDateTimeChanged();
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}
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}
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/*
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* 获取当前小时
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*/
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public int getCurrentHourOfDay() {
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public int getCurrentHourOfDay() {
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return mDate.get(Calendar.HOUR_OF_DAY);
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return mDate.get(Calendar.HOUR_OF_DAY);
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}
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}
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/*
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* 获取当前小时
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*/
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private int getCurrentHour() {
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private int getCurrentHour() {
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if (mIs24HourView){
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if (mIs24HourView){
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return getCurrentHourOfDay();
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return getCurrentHourOfDay();// 如果是24小时制，直接返回当前小时
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} else {
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} else {
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int hour = getCurrentHourOfDay();
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int hour = getCurrentHourOfDay();
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if (hour > HOURS_IN_HALF_DAY) {
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if (hour > HOURS_IN_HALF_DAY) {
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return hour - HOURS_IN_HALF_DAY;
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return hour - HOURS_IN_HALF_DAY;// 如果当前小时大于半天的小时数，返回减去半天后的小时数
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} else {
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} else {
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return hour == 0 ? HOURS_IN_HALF_DAY : hour;
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return hour == 0 ? HOURS_IN_HALF_DAY : hour;// 如果当前小时为0，则返回半天的小时数，否则返回当前小时
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}
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}
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}
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}
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}
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}
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/*
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* 设置当前小时
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*/
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//24小时制
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//24小时制
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public void setCurrentHour(int hourOfDay) {
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public void setCurrentHour(int hourOfDay) {
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// 如果不是初始化过程，并且要设置的小时等于当前小时，则不做任何操作
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if (!mInitialising && hourOfDay == getCurrentHourOfDay()) {
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if (!mInitialising && hourOfDay == getCurrentHourOfDay()) {
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return;
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return;
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}
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}
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mDate.set(Calendar.HOUR_OF_DAY, hourOfDay);
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mDate.set(Calendar.HOUR_OF_DAY, hourOfDay);// 将日期中的小时设置为新值
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// 如果不是24小时制
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if (!mIs24HourView) {
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if (!mIs24HourView) {
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if (hourOfDay >= HOURS_IN_HALF_DAY) {
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if (hourOfDay >= HOURS_IN_HALF_DAY) {
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mIsAm = false;
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mIsAm = false;// 设置为下午
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if (hourOfDay > HOURS_IN_HALF_DAY) {
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if (hourOfDay > HOURS_IN_HALF_DAY) {
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hourOfDay -= HOURS_IN_HALF_DAY;
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hourOfDay -= HOURS_IN_HALF_DAY;// 如果大于半天的小时数，减去半天的小时数
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}
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}
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} else {
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} else {
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mIsAm = true;
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mIsAm = true;
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if (hourOfDay == 0) {
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if (hourOfDay == 0) {
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hourOfDay = HOURS_IN_HALF_DAY;
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hourOfDay = HOURS_IN_HALF_DAY;// 如果小时为0，设置为半天的小时数
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}
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}
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}
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}
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updateAmPmControl();
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updateAmPmControl();
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}
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}
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mHourSpinner.setValue(hourOfDay);
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mHourSpinner.setValue(hourOfDay); // 设置小时控件的值为新值
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onDateTimeChanged();
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onDateTimeChanged();
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}
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}
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/*
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* 获取当前分钟
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*/
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public int getCurrentMinute() {
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public int getCurrentMinute() {
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return mDate.get(Calendar.MINUTE);
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return mDate.get(Calendar.MINUTE);
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}
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}
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/*
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* 设置当前分钟
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*/
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public void setCurrentMinute(int minute) {
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public void setCurrentMinute(int minute) {
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if (!mInitialising && minute == getCurrentMinute()) {
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if (!mInitialising && minute == getCurrentMinute()) {
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return;
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return;
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@ -417,29 +445,30 @@ public class DateTimePicker extends FrameLayout {
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public void set24HourView(boolean is24HourView) {
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public void set24HourView(boolean is24HourView) {
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if (mIs24HourView == is24HourView) {
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if (mIs24HourView == is24HourView) {
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return;
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return; // 如果当前24小时制状态与要设置的状态相同，则不做任何操作
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}
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}
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mIs24HourView = is24HourView;
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mIs24HourView = is24HourView;
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mAmPmSpinner.setVisibility(is24HourView ? View.GONE : View.VISIBLE);
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mAmPmSpinner.setVisibility(is24HourView ? View.GONE : View.VISIBLE);// 根据24小时制状态设置上午/下午控件的可见性
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int hour = getCurrentHourOfDay();
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int hour = getCurrentHourOfDay();// 获取当前小时
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updateHourControl();
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updateHourControl();// 更新小时控件
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setCurrentHour(hour);
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setCurrentHour(hour);// 设置当前小时
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updateAmPmControl();
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updateAmPmControl();// 更新上午/下午控件
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}
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}
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// 对于星期几的算法
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// 对于星期几的算法
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private void updateDateControl() {
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private void updateDateControl() {
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Calendar cal = Calendar.getInstance();
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Calendar cal = Calendar.getInstance();
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cal.setTimeInMillis(mDate.getTimeInMillis());
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cal.setTimeInMillis(mDate.getTimeInMillis());// 获取当前时间
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cal.add(Calendar.DAY_OF_YEAR, -DAYS_IN_ALL_WEEK / 2 - 1);
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cal.add(Calendar.DAY_OF_YEAR, -DAYS_IN_ALL_WEEK / 2 - 1);// 将时间向前推移半周减一天
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mDateSpinner.setDisplayedValues(null);
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mDateSpinner.setDisplayedValues(null);// 清空日期控件的显示值
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// 遍历一周的日期
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for (int i = 0; i < DAYS_IN_ALL_WEEK; ++i) {
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for (int i = 0; i < DAYS_IN_ALL_WEEK; ++i) {
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cal.add(Calendar.DAY_OF_YEAR, 1);
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cal.add(Calendar.DAY_OF_YEAR, 1);
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mDateDisplayValues[i] = (String) DateFormat.format("MM.dd EEEE", cal);
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mDateDisplayValues[i] = (String) DateFormat.format("MM.dd EEEE", cal);// 将日期格式化为"月.日 星期"的形式，并存入日期显示值数组
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}
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}
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mDateSpinner.setDisplayedValues(mDateDisplayValues);
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mDateSpinner.setDisplayedValues(mDateDisplayValues); //设置日期控件的显示值为日期显示值数组
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mDateSpinner.setValue(DAYS_IN_ALL_WEEK / 2);
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mDateSpinner.setValue(DAYS_IN_ALL_WEEK / 2);//设置日期控件的初始值为一周的中间位置
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mDateSpinner.invalidate();
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mDateSpinner.invalidate();// 使日期控件失效，以便刷新显示
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}
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}
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// 对于AM\PM操作的算法
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// 对于AM\PM操作的算法
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@ -454,10 +483,14 @@ public class DateTimePicker extends FrameLayout {
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}
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}
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private void updateHourControl() {
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private void updateHourControl() {
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//如果是24小时制
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// 设置小时控件的最小值和最大值
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if (mIs24HourView) {
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if (mIs24HourView) {
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mHourSpinner.setMinValue(HOUR_SPINNER_MIN_VAL_24_HOUR_VIEW);
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mHourSpinner.setMinValue(HOUR_SPINNER_MIN_VAL_24_HOUR_VIEW);
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mHourSpinner.setMaxValue(HOUR_SPINNER_MAX_VAL_24_HOUR_VIEW);
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mHourSpinner.setMaxValue(HOUR_SPINNER_MAX_VAL_24_HOUR_VIEW);
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} else {
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} else {
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// 如果是12小时制
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// 设置小时控件的最小值和最大值
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mHourSpinner.setMinValue(HOUR_SPINNER_MIN_VAL_12_HOUR_VIEW);
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mHourSpinner.setMinValue(HOUR_SPINNER_MIN_VAL_12_HOUR_VIEW);
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mHourSpinner.setMaxValue(HOUR_SPINNER_MAX_VAL_12_HOUR_VIEW);
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mHourSpinner.setMaxValue(HOUR_SPINNER_MAX_VAL_12_HOUR_VIEW);
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}
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}
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@ -468,11 +501,13 @@ public class DateTimePicker extends FrameLayout {
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* @param callback 如果 null，则回调将不执行任何操作
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* @param callback 如果 null，则回调将不执行任何操作
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*/
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*/
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public void setOnDateTimeChangedListener(OnDateTimeChangedListener callback) {
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public void setOnDateTimeChangedListener(OnDateTimeChangedListener callback) {
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mOnDateTimeChangedListener = callback;
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mOnDateTimeChangedListener = callback;// 设置日期时间变化监听器的回调
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}
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}
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// 当日期时间发生变化时触发回调
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private void onDateTimeChanged() {
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private void onDateTimeChanged() {
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// 如果日期时间变化监听器不为空，则触发回调
|
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if (mOnDateTimeChangedListener != null) {
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if (mOnDateTimeChangedListener != null) {
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// 通过回调通知当前年、月、日、小时、分钟的变化
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mOnDateTimeChangedListener.onDateTimeChanged(this, getCurrentYear(),
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mOnDateTimeChangedListener.onDateTimeChanged(this, getCurrentYear(),
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getCurrentMonth(), getCurrentDay(), getCurrentHourOfDay(), getCurrentMinute());
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|
getCurrentMonth(), getCurrentDay(), getCurrentHourOfDay(), getCurrentMinute());
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|
}
|
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|
}
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|
