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@ -14,100 +14,118 @@
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* limitations under the License.
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*/
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package net.micode.notes.ui;
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/*
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* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import java.text.DateFormatSymbols;
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import java.util.Calendar;
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package net.micode.notes.ui; // 定义包名
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import net.micode.notes.R;
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import java.text.DateFormatSymbols; // 导入日期格式符号类
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import java.util.Calendar; // 导入日历类
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import net.micode.notes.R; // 导入资源类
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import android.content.Context;
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import android.text.format.DateFormat;
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import android.view.View;
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import android.widget.FrameLayout;
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import android.widget.NumberPicker;
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import android.content.Context; // 导入上下文类
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import android.text.format.DateFormat; // 导入日期格式类
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import android.view.View; // 导入视图类
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import android.widget.FrameLayout; // 导入框架布局类
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import android.widget.NumberPicker; // 导入数字选择器类
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public class DateTimePicker extends FrameLayout {
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public class DateTimePicker extends FrameLayout { // 定义日期时间选择器类，继承自 FrameLayout
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private static final boolean DEFAULT_ENABLE_STATE = true;
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private static final boolean DEFAULT_ENABLE_STATE = true; // 默认启用状态为 true
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private static final int HOURS_IN_HALF_DAY = 12;
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private static final int HOURS_IN_ALL_DAY = 24;
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private static final int DAYS_IN_ALL_WEEK = 7;
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private static final int DATE_SPINNER_MIN_VAL = 0;
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private static final int DATE_SPINNER_MAX_VAL = DAYS_IN_ALL_WEEK - 1;
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private static final int HOUR_SPINNER_MIN_VAL_24_HOUR_VIEW = 0;
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private static final int HOUR_SPINNER_MAX_VAL_24_HOUR_VIEW = 23;
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private static final int HOUR_SPINNER_MIN_VAL_12_HOUR_VIEW = 1;
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private static final int HOUR_SPINNER_MAX_VAL_12_HOUR_VIEW = 12;
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private static final int MINUT_SPINNER_MIN_VAL = 0;
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private static final int MINUT_SPINNER_MAX_VAL = 59;
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private static final int AMPM_SPINNER_MIN_VAL = 0;
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private static final int AMPM_SPINNER_MAX_VAL = 1;
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private static final int HOURS_IN_HALF_DAY = 12; // 半天的小时数
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private static final int HOURS_IN_ALL_DAY = 24; // 全天的小时数
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private static final int DAYS_IN_ALL_WEEK = 7; // 一周的天数
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private static final int DATE_SPINNER_MIN_VAL = 0; // 日期选择器的最小值
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private static final int DATE_SPINNER_MAX_VAL = DAYS_IN_ALL_WEEK - 1; // 日期选择器的最大值
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private static final int HOUR_SPINNER_MIN_VAL_24_HOUR_VIEW = 0; // 24小时制下小时选择器的最小值
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private static final int HOUR_SPINNER_MAX_VAL_24_HOUR_VIEW = 23; // 24小时制下小时选择器的最大值
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private static final int HOUR_SPINNER_MIN_VAL_12_HOUR_VIEW = 1; // 12小时制下小时选择器的最小值
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private static final int HOUR_SPINNER_MAX_VAL_12_HOUR_VIEW = 12; // 12小时制下小时选择器的最大值
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private static final int MINUT_SPINNER_MIN_VAL = 0; // 分钟选择器的最小值
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private static final int MINUT_SPINNER_MAX_VAL = 59; // 分钟选择器的最大值
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private static final int AMPM_SPINNER_MIN_VAL = 0; // AM/PM选择器的最小值
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private static final int AMPM_SPINNER_MAX_VAL = 1; // AM/PM选择器的最大值
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private final NumberPicker mDateSpinner;
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private final NumberPicker mHourSpinner;
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private final NumberPicker mMinuteSpinner;
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private final NumberPicker mAmPmSpinner;
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private Calendar mDate;
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private final NumberPicker mDateSpinner; // 日期选择器
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private final NumberPicker mHourSpinner; // 小时选择器
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private final NumberPicker mMinuteSpinner; // 分钟选择器
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private final NumberPicker mAmPmSpinner; // AM/PM选择器
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private Calendar mDate; // 存储日期的日历对象
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private String[] mDateDisplayValues = new String[DAYS_IN_ALL_WEEK];
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private String[] mDateDisplayValues = new String[DAYS_IN_ALL_WEEK]; // 用于存储日期显示值的数组
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private boolean mIsAm;
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private boolean mIsAm; // 存储当前是否为 AM 的标志
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private boolean mIs24HourView;
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private boolean mIs24HourView; // 存储当前是否为24小时制的标志
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private boolean mIsEnabled = DEFAULT_ENABLE_STATE;
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private boolean mIsEnabled = DEFAULT_ENABLE_STATE; // 存储当前启用状态
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private boolean mInitialising;
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private boolean mInitialising; // 存储初始化状态的标志
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private OnDateTimeChangedListener mOnDateTimeChangedListener;
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private OnDateTimeChangedListener mOnDateTimeChangedListener; // 日期时间改变的监听器
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// 日期选择器值变化的监听器
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private NumberPicker.OnValueChangeListener mOnDateChangedListener = new NumberPicker.OnValueChangeListener() {
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@Override
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public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
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mDate.add(Calendar.DAY_OF_YEAR, newVal - oldVal);
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updateDateControl();
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onDateTimeChanged();
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mDate.add(Calendar.DAY_OF_YEAR, newVal - oldVal); // 更新日期
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updateDateControl(); // 更新日期控制
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onDateTimeChanged(); // 通知日期时间已更改
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}
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};
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// 小时选择器值变化的监听器
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private NumberPicker.OnValueChangeListener mOnHourChangedListener = new NumberPicker.OnValueChangeListener() {
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@Override
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public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
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boolean isDateChanged = false;
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Calendar cal = Calendar.getInstance();
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if (!mIs24HourView) {
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if (!mIsAm && oldVal == HOURS_IN_HALF_DAY - 1 && newVal == HOURS_IN_HALF_DAY) {
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boolean isDateChanged = false; // 标记日期是否变化
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Calendar cal = Calendar.getInstance(); // 获取当前日期的日历对象
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if (!mIs24HourView) { // 如果是 12 小时制
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if (!mIsAm && oldVal == HOURS_IN_HALF_DAY - 1 && newVal == HOURS_IN_HALF_DAY) { // 从 PM 切换到 AM
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cal.setTimeInMillis(mDate.getTimeInMillis());
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cal.add(Calendar.DAY_OF_YEAR, 1);
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isDateChanged = true;
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} else if (mIsAm && oldVal == HOURS_IN_HALF_DAY && newVal == HOURS_IN_HALF_DAY - 1) {
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cal.add(Calendar.DAY_OF_YEAR, 1); // 日期加 1
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isDateChanged = true; // 标记日期变化
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} else if (mIsAm && oldVal == HOURS_IN_HALF_DAY && newVal == HOURS_IN_HALF_DAY - 1) { // 从 AM 切换到 PM
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cal.setTimeInMillis(mDate.getTimeInMillis());
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cal.add(Calendar.DAY_OF_YEAR, -1);
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isDateChanged = true;
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cal.add(Calendar.DAY_OF_YEAR, -1); // 日期减 1
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isDateChanged = true; // 标记日期变化
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}
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if (oldVal == HOURS_IN_HALF_DAY - 1 && newVal == HOURS_IN_HALF_DAY ||
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oldVal == HOURS_IN_HALF_DAY && newVal == HOURS_IN_HALF_DAY - 1) {
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mIsAm = !mIsAm;
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updateAmPmControl();
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mIsAm = !mIsAm; // 切换 AM/PM 状态
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updateAmPmControl(); // 更新 AM/PM 控制
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}
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} else {
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if (oldVal == HOURS_IN_ALL_DAY - 1 && newVal == 0) {
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} else { // 如果是 24 小时制
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if (oldVal == HOURS_IN_ALL_DAY - 1 && newVal == 0) { // 从 23 切换到 0
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cal.setTimeInMillis(mDate.getTimeInMillis());
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cal.add(Calendar.DAY_OF_YEAR, 1);
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isDateChanged = true;
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} else if (oldVal == 0 && newVal == HOURS_IN_ALL_DAY - 1) {
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cal.add(Calendar.DAY_OF_YEAR, 1); // 日期加 1
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isDateChanged = true; // 标记日期变化
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} else if (oldVal == 0 && newVal == HOURS_IN_ALL_DAY - 1) { // 从 0 切换到 23
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cal.setTimeInMillis(mDate.getTimeInMillis());
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cal.add(Calendar.DAY_OF_YEAR, -1);
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isDateChanged = true;
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cal.add(Calendar.DAY_OF_YEAR, -1); // 日期减 1
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isDateChanged = true; // 标记日期变化
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}
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}
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// 设置小时
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int newHour = mHourSpinner.getValue() % HOURS_IN_HALF_DAY + (mIsAm ? 0 : HOURS_IN_HALF_DAY);
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mDate.set(Calendar.HOUR_OF_DAY, newHour);
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onDateTimeChanged();
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if (isDateChanged) {
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mDate.set(Calendar.HOUR_OF_DAY, newHour); // 更新日历中的小时
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onDateTimeChanged(); // 通知日期时间已更改
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if (isDateChanged) { // 如果日期变化，则更新日期
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setCurrentYear(cal.get(Calendar.YEAR));
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setCurrentMonth(cal.get(Calendar.MONTH));
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setCurrentDay(cal.get(Calendar.DAY_OF_MONTH));
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@ -115,370 +133,387 @@ public class DateTimePicker extends FrameLayout {
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}
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};
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// 分钟选择器值变化的监听器
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private NumberPicker.OnValueChangeListener mOnMinuteChangedListener = new NumberPicker.OnValueChangeListener() {
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@Override
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public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
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int minValue = mMinuteSpinner.getMinValue();
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int maxValue = mMinuteSpinner.getMaxValue();
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int offset = 0;
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int minValue = mMinuteSpinner.getMinValue(); // 获取分钟选择器的最小值
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int maxValue = mMinuteSpinner.getMaxValue(); // 获取分钟选择器的最大值
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int offset = 0; // 记录偏移量
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if (oldVal == maxValue && newVal == minValue) {
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offset += 1;
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offset += 1; // 增加偏移量
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} else if (oldVal == minValue && newVal == maxValue) {
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offset -= 1;
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offset -= 1; // 减少偏移量
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}
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if (offset != 0) {
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mDate.add(Calendar.HOUR_OF_DAY, offset);
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mHourSpinner.setValue(getCurrentHour());
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updateDateControl();
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int newHour = getCurrentHourOfDay();
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if (offset != 0) { // 如果偏移量不为零
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mDate.add(Calendar.HOUR_OF_DAY, offset); // 更新小时
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mHourSpinner.setValue(getCurrentHour()); // 更新小时选择器的值
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updateDateControl(); // 更新日期控制
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int newHour = getCurrentHourOfDay(); // 获取当前小时
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// 更新 AM/PM 状态
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if (newHour >= HOURS_IN_HALF_DAY) {
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mIsAm = false;
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updateAmPmControl();
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mIsAm = false; // 设为 PM
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updateAmPmControl(); // 更新 AM/PM 控制
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} else {
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mIsAm = true;
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updateAmPmControl();
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mIsAm = true; // 设为 AM
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updateAmPmControl(); // 更新 AM/PM 控制
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}
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}
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mDate.set(Calendar.MINUTE, newVal);
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onDateTimeChanged();
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mDate.set(Calendar.MINUTE, newVal); // 更新日历中的分钟
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onDateTimeChanged(); // 通知日期时间已更改
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}
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};
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// AM/PM 选择器值变化的监听器
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private NumberPicker.OnValueChangeListener mOnAmPmChangedListener = new NumberPicker.OnValueChangeListener() {
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@Override
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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 AM/PM 状态
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// 根据 AM/PM 状态更新小时
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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); // 如果为 AM，减去 12 小时
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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); // 如果为 PM，加上 12 小时
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}
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updateAmPmControl();
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onDateTimeChanged();
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updateAmPmControl(); // 更新 AM/PM 控制
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onDateTimeChanged(); // 通知日期时间已更改
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}
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};
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// 定义日期时间改变的监听器接口
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public interface OnDateTimeChangedListener {
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void onDateTimeChanged(DateTimePicker view, int year, int month,
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int dayOfMonth, int hourOfDay, int minute);
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int dayOfMonth, int hourOfDay, int minute); // 方法签名
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}
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// 构造函数，使用当前时间作为参数
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public DateTimePicker(Context context) {
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this(context, System.currentTimeMillis());
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this(context, System.currentTimeMillis()); // 调用重载构造函数
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}
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public DateTimePicker(Context context, long date) {
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this(context, date, DateFormat.is24HourFormat(context));
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this(context, date, DateFormat.is24HourFormat(context)); // 调用重载构造函数，并根据上下文判断是否为 24 小时制
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}
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public DateTimePicker(Context context, long date, boolean is24HourView) {
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super(context);
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mDate = Calendar.getInstance();
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mInitialising = true;
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mIsAm = getCurrentHourOfDay() >= HOURS_IN_HALF_DAY;
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inflate(context, R.layout.datetime_picker, this);
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super(context); // 调用父类构造函数
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mDate = Calendar.getInstance(); // 初始化当前日期
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mInitialising = true; // 标记当前处于初始化状态
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mIsAm = getCurrentHourOfDay() >= HOURS_IN_HALF_DAY; // 根据当前小时判断是否为 AM
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inflate(context, R.layout.datetime_picker, this); // 加载布局文件
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// 初始化日期选择器
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mDateSpinner = (NumberPicker) findViewById(R.id.date);
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mDateSpinner.setMinValue(DATE_SPINNER_MIN_VAL);
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mDateSpinner.setMaxValue(DATE_SPINNER_MAX_VAL);
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mDateSpinner.setOnValueChangedListener(mOnDateChangedListener);
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mDateSpinner.setMinValue(DATE_SPINNER_MIN_VAL); // 设置最小值
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mDateSpinner.setMaxValue(DATE_SPINNER_MAX_VAL); // 设置最大值
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mDateSpinner.setOnValueChangedListener(mOnDateChangedListener); // 设置值变化监听器
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// 初始化小时选择器
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mHourSpinner = (NumberPicker) findViewById(R.id.hour);
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mHourSpinner.setOnValueChangedListener(mOnHourChangedListener);
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mHourSpinner.setOnValueChangedListener(mOnHourChangedListener); // 设置值变化监听器
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// 初始化分钟选择器
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mMinuteSpinner = (NumberPicker) findViewById(R.id.minute);
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mMinuteSpinner.setMinValue(MINUT_SPINNER_MIN_VAL);
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mMinuteSpinner.setMaxValue(MINUT_SPINNER_MAX_VAL);
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mMinuteSpinner.setOnLongPressUpdateInterval(100);
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mMinuteSpinner.setOnValueChangedListener(mOnMinuteChangedListener);
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mMinuteSpinner.setMinValue(MINUT_SPINNER_MIN_VAL); // 设置最小值
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mMinuteSpinner.setMaxValue(MINUT_SPINNER_MAX_VAL); // 设置最大值
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mMinuteSpinner.setOnLongPressUpdateInterval(100); // 设置长按更新间隔
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mMinuteSpinner.setOnValueChangedListener(mOnMinuteChangedListener); // 设置值变化监听器
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String[] stringsForAmPm = new DateFormatSymbols().getAmPmStrings();
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// 初始化 AM/PM 选择器
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String[] stringsForAmPm = new DateFormatSymbols().getAmPmStrings(); // 获取 AM/PM 字符串
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mAmPmSpinner = (NumberPicker) findViewById(R.id.amPm);
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mAmPmSpinner.setMinValue(AMPM_SPINNER_MIN_VAL);
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mAmPmSpinner.setMaxValue(AMPM_SPINNER_MAX_VAL);
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mAmPmSpinner.setDisplayedValues(stringsForAmPm);
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mAmPmSpinner.setOnValueChangedListener(mOnAmPmChangedListener);
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mAmPmSpinner.setMinValue(AMPM_SPINNER_MIN_VAL); // 设置最小值
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mAmPmSpinner.setMaxValue(AMPM_SPINNER_MAX_VAL); // 设置最大值
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mAmPmSpinner.setDisplayedValues(stringsForAmPm); // 设置显示值
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mAmPmSpinner.setOnValueChangedListener(mOnAmPmChangedListener); // 设置值变化监听器
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// update controls to initial state
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updateDateControl();
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updateHourControl();
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updateAmPmControl();
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// 更新控件到初始状态
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updateDateControl(); // 更新日期选择器状态
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updateHourControl(); // 更新小时选择器状态
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updateAmPmControl(); // 更新 AM/PM 选择器状态
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set24HourView(is24HourView);
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set24HourView(is24HourView); // 设置是否使用 24 小时制
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// set to current time
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setCurrentDate(date);
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// 设置为当前时间
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setCurrentDate(date); // 设置当前日期为传入的日期
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setEnabled(isEnabled());
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setEnabled(isEnabled()); // 设置选择器的启用状态
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// set the content descriptions
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mInitialising = false;
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// 设置内容描述
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mInitialising = false; // 标记初始化完成
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}
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@Override
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public void setEnabled(boolean enabled) {
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if (mIsEnabled == enabled) {
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public void setEnabled(boolean enabled) { // 重写设置启用状态的方法
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if (mIsEnabled == enabled) { // 如果当前状态与目标状态相同，则返回
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return;
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}
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super.setEnabled(enabled);
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super.setEnabled(enabled); // 调用父类的设置启用方法
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// 设置各个选择器的启用状态
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mDateSpinner.setEnabled(enabled);
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mMinuteSpinner.setEnabled(enabled);
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mHourSpinner.setEnabled(enabled);
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mAmPmSpinner.setEnabled(enabled);
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mIsEnabled = enabled;
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mIsEnabled = enabled; // 更新当前启用状态
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}
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@Override
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public boolean isEnabled() {
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return mIsEnabled;
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public boolean isEnabled() { // 重写获取启用状态的方法
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return mIsEnabled; // 返回当前启用状态
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}
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/**
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* Get the current date in millis
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* 获取当前日期的毫秒值
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*
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* @return the current date in millis
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* @return 当前日期的毫秒值
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*/
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public long getCurrentDateInTimeMillis() {
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return mDate.getTimeInMillis();
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return mDate.getTimeInMillis(); // 返回当前日期的毫秒表示
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}
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/**
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* Set the current date
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* 设置当前日期
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*
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* @param date The current date in millis
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* @param date 当前日期的毫秒值
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*/
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public void setCurrentDate(long date) {
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Calendar cal = Calendar.getInstance();
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cal.setTimeInMillis(date);
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Calendar cal = Calendar.getInstance(); // 获取当前日期的日历对象
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cal.setTimeInMillis(date); // 将毫秒值设置到日历中
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// 设置当前日期的年、月、日、小时和分钟
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setCurrentDate(cal.get(Calendar.YEAR), cal.get(Calendar.MONTH), cal.get(Calendar.DAY_OF_MONTH),
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cal.get(Calendar.HOUR_OF_DAY), cal.get(Calendar.MINUTE));
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}
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/**
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* Set the current date
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* 设置当前日期
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*
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* @param year The current year
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* @param month The current month
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* @param dayOfMonth The current dayOfMonth
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* @param hourOfDay The current hourOfDay
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* @param minute The current minute
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* @param year 当前年份
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* @param month 当前月份
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* @param dayOfMonth 当前日
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* @param hourOfDay 当前小时
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* @param minute 当前分钟
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*/
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public void setCurrentDate(int year, int month,
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int dayOfMonth, int hourOfDay, int minute) {
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setCurrentYear(year);
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setCurrentMonth(month);
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setCurrentDay(dayOfMonth);
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setCurrentHour(hourOfDay);
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setCurrentMinute(minute);
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setCurrentYear(year); // 设置当前年份
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setCurrentMonth(month); // 设置当前月份
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setCurrentDay(dayOfMonth); // 设置当前日期
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setCurrentHour(hourOfDay); // 设置当前小时
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setCurrentMinute(minute); // 设置当前分钟
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}
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/**
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* Get current year
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* 获取当前年份
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*
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* @return The current year
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* @return 当前年份
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*/
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public int getCurrentYear() {
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return mDate.get(Calendar.YEAR);
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return mDate.get(Calendar.YEAR); // 返回当前年份
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}
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/**
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* Set current year
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* 设置当前年份
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*
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* @param year The current year
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* @param year 当前年份
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*/
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public void setCurrentYear(int year) {
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if (!mInitialising && year == getCurrentYear()) {
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if (!mInitialising && year == getCurrentYear()) { // 如果不在初始化并且当前年份未变化，则返回
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return;
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}
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mDate.set(Calendar.YEAR, year);
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updateDateControl();
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onDateTimeChanged();
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mDate.set(Calendar.YEAR, year); // 更新日历中的年份
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updateDateControl(); // 更新日期选择器控制
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onDateTimeChanged(); // 通知日期时间已更改
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}
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/**
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* Get current month in the year
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* 获取当前月份
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*
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* @return The current month in the year
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* @return 当前月份
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*/
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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); // 返回当前月份
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}
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/**
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* Set current month in the year
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* 设置当前月份
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*
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* @param month The month in the year
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* @param month 当前月份
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*/
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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()) { // 如果不在初始化且当前月份未变化，则返回
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return;
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}
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mDate.set(Calendar.MONTH, month);
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updateDateControl();
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onDateTimeChanged();
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mDate.set(Calendar.MONTH, month); // 更新日历中的月份
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updateDateControl(); // 更新日期控制
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onDateTimeChanged(); // 通知日期时间已更改
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}
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/**
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* Get current day of the month
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* 获取当前日期
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*
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* @return The day of the month
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* @return 当前日期
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*/
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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); // 返回当前日期
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}
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/**
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* Set current day of the month
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* 设置当前日期
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*
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* @param dayOfMonth The day of the month
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* @param dayOfMonth 当前日期
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*/
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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()) { // 如果不在初始化且当前日期未变化，则返回
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return;
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}
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mDate.set(Calendar.DAY_OF_MONTH, dayOfMonth);
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updateDateControl();
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onDateTimeChanged();
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mDate.set(Calendar.DAY_OF_MONTH, dayOfMonth); // 更新日历中的日期
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updateDateControl(); // 更新日期控制
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onDateTimeChanged(); // 通知日期时间已更改
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}
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/**
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* Get current hour in 24 hour mode, in the range (0~23)
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* @return The current hour in 24 hour mode
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* 获取当前小时
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*
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* @return 以 24 小时制表示的当前小时
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*/
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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); // 返回当前 24 小时制的小时
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}
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private int getCurrentHour() {
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if (mIs24HourView){
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return getCurrentHourOfDay();
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private int getCurrentHour() { // 获取当前小时
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if (mIs24HourView){ // 如果是 24 小时制
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return getCurrentHourOfDay(); // 返回 24 小时制的当前小时
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} else {
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int hour = getCurrentHourOfDay();
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int hour = getCurrentHourOfDay(); // 获取当前小时
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// 转换为 12 小时制
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if (hour > HOURS_IN_HALF_DAY) {
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return hour - HOURS_IN_HALF_DAY;
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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; // 处理 0 点的情况
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}
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}
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}
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/**
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* Set current hour in 24 hour mode, in the range (0~23)
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* 设置当前小时
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*
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* @param hourOfDay
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* @param hourOfDay 当前小时
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*/
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public void setCurrentHour(int hourOfDay) {
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if (!mInitialising && hourOfDay == getCurrentHourOfDay()) {
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if (!mInitialising && hourOfDay == getCurrentHourOfDay()) { // 如果不在初始化且当前小时未变化，则返回
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return;
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}
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mDate.set(Calendar.HOUR_OF_DAY, hourOfDay);
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if (!mIs24HourView) {
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if (hourOfDay >= HOURS_IN_HALF_DAY) {
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mIsAm = false;
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if (hourOfDay > HOURS_IN_HALF_DAY) {
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hourOfDay -= HOURS_IN_HALF_DAY;
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mDate.set(Calendar.HOUR_OF_DAY, hourOfDay); // 更新日历中的小时
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if (!mIs24HourView) { // 如果不是 24 小时制
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if (hourOfDay >= HOURS_IN_HALF_DAY) { // 如果属于 PM
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mIsAm = false; // 设置为 PM
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if (hourOfDay > HOURS_IN_HALF_DAY) { // 如果小时大于 12
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hourOfDay -= HOURS_IN_HALF_DAY; // 转换为 12 小时制
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}
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} else {
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mIsAm = true;
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if (hourOfDay == 0) {
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hourOfDay = HOURS_IN_HALF_DAY;
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} else { // 如果属于 AM
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mIsAm = true; // 设置为 AM
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if (hourOfDay == 0) { // 如果是 0 点
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hourOfDay = HOURS_IN_HALF_DAY; // 转换为 12 点
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}
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}
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updateAmPmControl();
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updateAmPmControl(); // 更新 AM/PM 控制
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}
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mHourSpinner.setValue(hourOfDay);
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onDateTimeChanged();
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mHourSpinner.setValue(hourOfDay); // 更新小时选择器的值
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onDateTimeChanged(); // 通知日期时间已更改
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}
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/**
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* Get currentMinute
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* 获取当前分钟
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*
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* @return The Current Minute
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* @return 当前分钟
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*/
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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); // 返回当前分钟
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|
}
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|
/**
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|
* Set current minute
|
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|
* 设置当前分钟
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|
*
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|
* @param minute 当前分钟
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|
|
*/
|
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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()) { // 如果不在初始化且当前分钟未变化，则返回
|
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|
|
return;
|
|
|
|
|
}
|
|
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|
|
mMinuteSpinner.setValue(minute);
|
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|
|
mDate.set(Calendar.MINUTE, minute);
|
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|
|
onDateTimeChanged();
|
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|
|
mMinuteSpinner.setValue(minute); // 更新分钟选择器的值
|
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|
|
mDate.set(Calendar.MINUTE, minute); // 更新日历中的分钟
|
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|
|
|
onDateTimeChanged(); // 通知日期时间已更改
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* @return true if this is in 24 hour view else false.
|
|
|
|
|
* @return 如果在 24 小时制下返回 true，否则返回 false。
|
|
|
|
|
*/
|
|
|
|
|
public boolean is24HourView () {
|
|
|
|
|
return mIs24HourView;
|
|
|
|
|
return mIs24HourView; // 返回当前是否在 24 小时制
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* Set whether in 24 hour or AM/PM mode.
|
|
|
|
|
* 设置是否使用 24 小时制或 AM/PM 模式。
|
|
|
|
|
*
|
|
|
|
|
* @param is24HourView True for 24 hour mode. False for AM/PM mode.
|
|
|
|
|
* @param is24HourView true 为 24 小时制，false 为 AM/PM 模式。
|
|
|
|
|
*/
|
|
|
|
|
public void set24HourView(boolean is24HourView) {
|
|
|
|
|
if (mIs24HourView == is24HourView) {
|
|
|
|
|
if (mIs24HourView == is24HourView) { // 如果当前状态与目标状态相同则返回
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
mIs24HourView = is24HourView;
|
|
|
|
|
mAmPmSpinner.setVisibility(is24HourView ? View.GONE : View.VISIBLE);
|
|
|
|
|
int hour = getCurrentHourOfDay();
|
|
|
|
|
updateHourControl();
|
|
|
|
|
setCurrentHour(hour);
|
|
|
|
|
updateAmPmControl();
|
|
|
|
|
mIs24HourView = is24HourView; // 更新当前模式
|
|
|
|
|
mAmPmSpinner.setVisibility(is24HourView ? View.GONE : View.VISIBLE); // 根据模式设置 AM/PM 选择器的可见性
|
|
|
|
|
int hour = getCurrentHourOfDay(); // 获取当前小时
|
|
|
|
|
updateHourControl(); // 更新小时选择器状态
|
|
|
|
|
setCurrentHour(hour); // 设置当前小时
|
|
|
|
|
updateAmPmControl(); // 更新 AM/PM 控制
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
private void updateDateControl() {
|
|
|
|
|
Calendar cal = Calendar.getInstance();
|
|
|
|
|
cal.setTimeInMillis(mDate.getTimeInMillis());
|
|
|
|
|
cal.add(Calendar.DAY_OF_YEAR, -DAYS_IN_ALL_WEEK / 2 - 1);
|
|
|
|
|
mDateSpinner.setDisplayedValues(null);
|
|
|
|
|
for (int i = 0; i < DAYS_IN_ALL_WEEK; ++i) {
|
|
|
|
|
cal.add(Calendar.DAY_OF_YEAR, 1);
|
|
|
|
|
mDateDisplayValues[i] = (String) DateFormat.format("MM.dd EEEE", cal);
|
|
|
|
|
private void updateDateControl() { // 更新日期选择器状态
|
|
|
|
|
Calendar cal = Calendar.getInstance(); // 获取当前日期的日历对象
|
|
|
|
|
cal.setTimeInMillis(mDate.getTimeInMillis()); // 设置日历时间为当前选择的日期
|
|
|
|
|
cal.add(Calendar.DAY_OF_YEAR, -DAYS_IN_ALL_WEEK / 2 - 1); // 更新为起始值
|
|
|
|
|
mDateSpinner.setDisplayedValues(null); // 清空日期选择器的显示值
|
|
|
|
|
for (int i = 0; i < DAYS_IN_ALL_WEEK; ++i) { // 遍历一周的每一天
|
|
|
|
|
cal.add(Calendar.DAY_OF_YEAR, 1); // 遍历到下一天
|
|
|
|
|
mDateDisplayValues[i] = (String) DateFormat.format("MM.dd EEEE", cal); // 格式化日期
|
|
|
|
|
}
|
|
|
|
|
mDateSpinner.setDisplayedValues(mDateDisplayValues);
|
|
|
|
|
mDateSpinner.setValue(DAYS_IN_ALL_WEEK / 2);
|
|
|
|
|
mDateSpinner.invalidate();
|
|
|
|
|
mDateSpinner.setDisplayedValues(mDateDisplayValues); // 设置日期选择器显示的值
|
|
|
|
|
mDateSpinner.setValue(DAYS_IN_ALL_WEEK / 2); // 设置日期选择器的默认值为一周中间的值
|
|
|
|
|
mDateSpinner.invalidate(); // 刷新日期选择器
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
private void updateAmPmControl() {
|
|
|
|
|
if (mIs24HourView) {
|
|
|
|
|
mAmPmSpinner.setVisibility(View.GONE);
|
|
|
|
|
private void updateAmPmControl() { // 更新 AM/PM 选择器状态
|
|
|
|
|
if (mIs24HourView) { // 如果为 24 小时制
|
|
|
|
|
mAmPmSpinner.setVisibility(View.GONE); // 隐藏 AM/PM 选择器
|
|
|
|
|
} else {
|
|
|
|
|
int index = mIsAm ? Calendar.AM : Calendar.PM;
|
|
|
|
|
mAmPmSpinner.setValue(index);
|
|
|
|
|
mAmPmSpinner.setVisibility(View.VISIBLE);
|
|
|
|
|
int index = mIsAm ? Calendar.AM : Calendar.PM; // 根据 AM/PM 标志获取索引
|
|
|
|
|
mAmPmSpinner.setValue(index); // 设置 AM/PM 选择器的值
|
|
|
|
|
mAmPmSpinner.setVisibility(View.VISIBLE); // 显示 AM/PM 选择器
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
private void updateHourControl() {
|
|
|
|
|
if (mIs24HourView) {
|
|
|
|
|
mHourSpinner.setMinValue(HOUR_SPINNER_MIN_VAL_24_HOUR_VIEW);
|
|
|
|
|
mHourSpinner.setMaxValue(HOUR_SPINNER_MAX_VAL_24_HOUR_VIEW);
|
|
|
|
|
private void updateHourControl() { // 更新小时选择器状态
|
|
|
|
|
if (mIs24HourView) { // 如果为 24 小时制
|
|
|
|
|
mHourSpinner.setMinValue(HOUR_SPINNER_MIN_VAL_24_HOUR_VIEW); // 设置 24 小时制的最小值
|
|
|
|
|
mHourSpinner.setMaxValue(HOUR_SPINNER_MAX_VAL_24_HOUR_VIEW); // 设置 24 小时制的最大值
|
|
|
|
|
} else {
|
|
|
|
|
mHourSpinner.setMinValue(HOUR_SPINNER_MIN_VAL_12_HOUR_VIEW);
|
|
|
|
|
mHourSpinner.setMaxValue(HOUR_SPINNER_MAX_VAL_12_HOUR_VIEW);
|
|
|
|
|
mHourSpinner.setMinValue(HOUR_SPINNER_MIN_VAL_12_HOUR_VIEW); // 设置 12 小时制的最小值
|
|
|
|
|
mHourSpinner.setMaxValue(HOUR_SPINNER_MAX_VAL_12_HOUR_VIEW); // 设置 12 小时制的最大值
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* Set the callback that indicates the 'Set' button has been pressed.
|
|
|
|
|
* @param callback the callback, if null will do nothing
|
|
|
|
|
* 设置回调函数，用于指示“设置”按钮已被按下。
|
|
|
|
|
* @param callback 回调函数，如果为 null 则不执行任何操作
|
|
|
|
|
*/
|
|
|
|
|
public void setOnDateTimeChangedListener(OnDateTimeChangedListener callback) {
|
|
|
|
|
mOnDateTimeChangedListener = callback;
|
|
|
|
|
mOnDateTimeChangedListener = callback; // 更新监听器
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
private void onDateTimeChanged() {
|
|
|
|
|
if (mOnDateTimeChangedListener != null) {
|
|
|
|
|
mOnDateTimeChangedListener.onDateTimeChanged(this, getCurrentYear(),
|
|
|
|
|
private void onDateTimeChanged() { // 日期时间更改的处理方法
|
|
|
|
|
if (mOnDateTimeChangedListener != null) { // 如果有设置的监听器
|
|
|
|
|
mOnDateTimeChangedListener.onDateTimeChanged(this, getCurrentYear(), // 调用监听器的方法，传递当前的日期和时间
|
|
|
|
|
getCurrentMonth(), getCurrentDay(), getCurrentHourOfDay(), getCurrentMinute());
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
xuqianlin
6p0
xiangjiawei
wangmingxing