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@ -1,607 +0,0 @@
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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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package net.micode.notes.ui;
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import java.text.DateFormatSymbols;
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import java.util.Calendar;
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import net.micode.notes.R;
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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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public class DateTimePicker extends FrameLayout {
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// 默认启用状态
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private static final boolean DEFAULT_ENABLE_STATE = true;
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// 半天的小时数
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private static final int HOURS_IN_HALF_DAY = 12;
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// 一整天的小时数
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private static final int HOURS_IN_ALL_DAY = 24;
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// 一周的天数
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private static final int DAYS_IN_ALL_WEEK = 7;
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// 日期选择器的最小值
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private static final int DATE_SPINNER_MIN_VAL = 0;
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// 日期选择器的最大值
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private static final int DATE_SPINNER_MAX_VAL = DAYS_IN_ALL_WEEK - 1;
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// 24小时制小时选择器的最小值
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private static final int HOUR_SPINNER_MIN_VAL_24_HOUR_VIEW = 0;
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// 24小时制小时选择器的最大值
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private static final int HOUR_SPINNER_MAX_VAL_24_HOUR_VIEW = 23;
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// 12小时制小时选择器的最小值
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private static final int HOUR_SPINNER_MIN_VAL_12_HOUR_VIEW = 1;
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// 12小时制小时选择器的最大值
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private static final int HOUR_SPINNER_MAX_VAL_12_HOUR_VIEW = 12;
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// 分钟选择器的最小值
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private static final int MINUT_SPINNER_MIN_VAL = 0;
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// 分钟选择器的最大值
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private static final int MINUT_SPINNER_MAX_VAL = 59;
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// 上下午选择器的最小值
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private static final int AMPM_SPINNER_MIN_VAL = 0;
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// 上下午选择器的最大值
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private static final int AMPM_SPINNER_MAX_VAL = 1;
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//初始化控件
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// 日期选择器
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private final NumberPicker mDateSpinner;
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// 小时选择器
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private final NumberPicker mHourSpinner;
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// 分钟选择器
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private final NumberPicker mMinuteSpinner;
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// 上下午选择器
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private final NumberPicker mAmPmSpinner;
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// 当前日期
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//NumberPicker是数字选择器
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//这里定义的四个变量全部是在设置闹钟时需要选择的变量
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private Calendar mDate;
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//定义了Calendar类型的变量mDate,用于操作时间
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// 用于显示日期的字符串数组
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private String[] mDateDisplayValues = new String[DAYS_IN_ALL_WEEK];
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// 当前是否为上午
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private boolean mIsAm;
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// 当前是否为24小时制视图
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private boolean mIs24HourView;
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// 控件是否启用
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private boolean mIsEnabled = DEFAULT_ENABLE_STATE;
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// 是否正在初始化
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private boolean mInitialising;
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// 日期时间改变监听器
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private OnDateTimeChangedListener mOnDateTimeChangedListener;
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//OnValueChangeListener,是时间改变监听器,对日期的监听
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//将现在日期的值传递给mDate;updateDateControl是同步操作
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// 日期选择器的值改变监听器
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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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// 根据新旧值的差异更新日期
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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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}
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};
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// 小时选择器的值改变监听器
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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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// 根据小时的变化更新日期和上下午状态,对小时Hour的监听
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boolean isDateChanged = false;
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Calendar cal = Calendar.getInstance();
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//声明一个Calendar的变量cal,便于后续的操作
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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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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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//对于12小时制晚上11点和12点交替时对日期的更改
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} else if (mIsAm && oldVal == HOURS_IN_HALF_DAY && newVal == HOURS_IN_HALF_DAY - 1) {
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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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}
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//这对于12小时制凌晨11点和12点交替时对日期的更改
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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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}
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//对于12小时制中午11点和12点交替时对AM和PM的更改
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} else {
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// 处理24小时制下的日期变化
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if (oldVal == HOURS_IN_ALL_DAY - 1 && newVal == 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.setTimeInMillis(mDate.getTimeInMillis());
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cal.add(Calendar.DAY_OF_YEAR, -1);
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isDateChanged = true;
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}
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}
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// 更新小时并触发日期时间改变事件
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int newHour = mHourSpinner.getValue() % HOURS_IN_HALF_DAY + (mIsAm ? 0 : HOURS_IN_HALF_DAY);
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//通过数字选择器对newHour的赋值
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mDate.set(Calendar.HOUR_OF_DAY, newHour);
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//通过set函数将新的Hour值传给mDate
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onDateTimeChanged();
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// 如果日期有变化,则更新年月日
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if (isDateChanged) {
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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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}
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}
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};
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//OnValueChangeListener,这是时间改变监听器,这里主要是对日期的监听
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//将现在日期的值传递给mDate;updateDateControl是同步操作
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// 分别为分钟和AM/PM选择器监听器设置匿名内部类,实现数值变化时的处理逻辑。
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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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// 计算小时的偏移量,当从最大值变为最小值或从最小值变为最大值时调整
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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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//设置offset,作为小时改变的一个记录数据
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if (oldVal == maxValue && newVal == minValue) {
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offset += 1;
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} else if (oldVal == minValue && newVal == maxValue) {
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offset -= 1;
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}
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// 根据偏移量更新日期和小时选择器,并检查是否需要切换AM/PM
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//如果原值为59,新值为0,则offset加1
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//如果原值为0,新值为59,则offset减1
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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 (newHour >= HOURS_IN_HALF_DAY) {
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mIsAm = false;
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updateAmPmControl();
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} else {
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mIsAm = true;
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updateAmPmControl();
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}
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}
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// 更新分钟值并触发日期变化的回调
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mDate.set(Calendar.MINUTE, newVal);
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onDateTimeChanged();
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}
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};
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private NumberPicker.OnValueChangeListener mOnAmPmChangedListener = new NumberPicker.OnValueChangeListener() {
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//对AM和PM的监听
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@Override
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public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
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// 切换AM/PM状态,并更新日期和AM/PM选择器
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mIsAm = !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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} else {
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mDate.add(Calendar.HOUR_OF_DAY, HOURS_IN_HALF_DAY);
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}
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updateAmPmControl();
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onDateTimeChanged();
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}
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};
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// 定义日期时间变化的回调接口
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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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}
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// 构造函数:初始化日期时间选择器
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public DateTimePicker(Context context) {
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this(context, System.currentTimeMillis());
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}
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//通过对数据库的访问,获取当前的系统时间
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// 构造函数:指定初始日期时间
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public DateTimePicker(Context context, long date) {
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this(context, date, DateFormat.is24HourFormat(context));
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}
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// 构造函数:指定是否使用24小时制视图
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public DateTimePicker(Context context, long date, boolean is24HourView) {
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super(context);
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//获取系统时间
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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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// 初始化日期、小时、分钟和AM/PM选择器,并设置相应的监听器
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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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mHourSpinner = (NumberPicker) findViewById(R.id.hour);
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mHourSpinner.setOnValueChangedListener(mOnHourChangedListener);
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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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String[] stringsForAmPm = new DateFormatSymbols().getAmPmStrings();
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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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// 更新控件至初始状态
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updateDateControl();
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updateHourControl();
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updateAmPmControl();
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set24HourView(is24HourView);
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// 设置为当前时间
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setCurrentDate(date);
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setEnabled(isEnabled());
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// 设置内容描述
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mInitialising = false;
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}
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/**
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* 设置控件的启用状态。
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* 如果当前状态与传入状态相同,则不进行任何操作。
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* 启用或禁用日期和时间选择器,并更新内部启用状态。
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*
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* @param enabled 控件是否启用
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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) {
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
super.setEnabled(enabled);
|
|
|
|
|
// 同时启用或禁用日期和时间选择器
|
|
|
|
|
mDateSpinner.setEnabled(enabled);
|
|
|
|
|
mMinuteSpinner.setEnabled(enabled);
|
|
|
|
|
mHourSpinner.setEnabled(enabled);
|
|
|
|
|
mAmPmSpinner.setEnabled(enabled);
|
|
|
|
|
mIsEnabled = enabled;
|
|
|
|
|
}
|
|
|
|
|
//存在疑问!!!!!!!!!!!!!setEnabled的作用
|
|
|
|
|
//下面的代码通过原程序的注释已经比较清晰,另外可以通过函数名来判断
|
|
|
|
|
//下面的各函数主要是对上面代码引用到的各函数功能的实现
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 获取控件的启用状态。
|
|
|
|
|
*
|
|
|
|
|
* @return 控件是否启用
|
|
|
|
|
*/
|
|
|
|
|
@Override
|
|
|
|
|
public boolean isEnabled() {
|
|
|
|
|
return mIsEnabled;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 获取当前日期的时间戳(毫秒)。
|
|
|
|
|
*
|
|
|
|
|
* @return 当前日期的毫秒时间戳
|
|
|
|
|
*/
|
|
|
|
|
public long getCurrentDateInTimeMillis() {
|
|
|
|
|
return mDate.getTimeInMillis();
|
|
|
|
|
}
|
|
|
|
|
//实现函数得到当前的秒数
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 设置当前日期。
|
|
|
|
|
* 根据传入的毫秒时间戳更新日期选择器的值。
|
|
|
|
|
*
|
|
|
|
|
* @param date The current date in millis
|
|
|
|
|
*/
|
|
|
|
|
public void setCurrentDate(long date) {
|
|
|
|
|
Calendar cal = Calendar.getInstance();
|
|
|
|
|
cal.setTimeInMillis(date);
|
|
|
|
|
// 通过日历实例的详细字段设置当前日期和时间
|
|
|
|
|
setCurrentDate(cal.get(Calendar.YEAR), cal.get(Calendar.MONTH), cal.get(Calendar.DAY_OF_MONTH),
|
|
|
|
|
cal.get(Calendar.HOUR_OF_DAY), cal.get(Calendar.MINUTE));
|
|
|
|
|
}
|
|
|
|
|
//实现函数功能,设置当前的时间,参数是date
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 设置当前日期和时间。
|
|
|
|
|
* 分别设置年、月、日、时和分。
|
|
|
|
|
*
|
|
|
|
|
* @param year 当前年份
|
|
|
|
|
* @param month 当前月份
|
|
|
|
|
* @param dayOfMonth 当前日
|
|
|
|
|
* @param hourOfDay 当前小时
|
|
|
|
|
* @param minute 当前分钟
|
|
|
|
|
*/
|
|
|
|
|
public void setCurrentDate(int year, int month,
|
|
|
|
|
int dayOfMonth, int hourOfDay, int minute) {
|
|
|
|
|
// 分别设置年、月、日、时和分
|
|
|
|
|
setCurrentYear(year);
|
|
|
|
|
setCurrentMonth(month);
|
|
|
|
|
setCurrentDay(dayOfMonth);
|
|
|
|
|
setCurrentHour(hourOfDay);
|
|
|
|
|
setCurrentMinute(minute);
|
|
|
|
|
}
|
|
|
|
|
//实现函数功能,设置当前的时间,参数是各详细的变量
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 获取当前年份
|
|
|
|
|
*
|
|
|
|
|
* @return 当前的年份
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
public int getCurrentYear() {
|
|
|
|
|
return mDate.get(Calendar.YEAR);
|
|
|
|
|
}
|
|
|
|
|
//得到year、month、day等值
|
|
|
|
|
/**
|
|
|
|
|
* 设置当前年份
|
|
|
|
|
*
|
|
|
|
|
* @param year 当前的年份
|
|
|
|
|
*/
|
|
|
|
|
public void setCurrentYear(int year) {
|
|
|
|
|
// 如果不是初始化状态并且设置的年份与当前年份相同,则直接返回
|
|
|
|
|
if (!mInitialising && year == getCurrentYear()) {
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
mDate.set(Calendar.YEAR, year);
|
|
|
|
|
updateDateControl(); // 更新日期控件
|
|
|
|
|
onDateTimeChanged(); // 触发日期时间改变事件
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 获取当前月份
|
|
|
|
|
*
|
|
|
|
|
* @return 当前的月份(从0开始)
|
|
|
|
|
*/
|
|
|
|
|
public int getCurrentMonth() {
|
|
|
|
|
return mDate.get(Calendar.MONTH);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 设置当前月份
|
|
|
|
|
*
|
|
|
|
|
* @param month 当前的月份(从0开始)
|
|
|
|
|
*/
|
|
|
|
|
public void setCurrentMonth(int month) {
|
|
|
|
|
// 如果不是初始化状态并且设置的月份与当前月份相同,则直接返回
|
|
|
|
|
if (!mInitialising && month == getCurrentMonth()) {
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
mDate.set(Calendar.MONTH, month);
|
|
|
|
|
updateDateControl(); // 更新日期控件
|
|
|
|
|
onDateTimeChanged(); // 触发日期时间改变事件
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 获取当前日期(月中的天数)
|
|
|
|
|
*
|
|
|
|
|
* @return 当前的日期(月中的天数)
|
|
|
|
|
*/
|
|
|
|
|
public int getCurrentDay() {
|
|
|
|
|
return mDate.get(Calendar.DAY_OF_MONTH);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 设置当前日期(月中的天数)
|
|
|
|
|
*
|
|
|
|
|
* @param dayOfMonth 当前的日期(月中的天数)
|
|
|
|
|
*/
|
|
|
|
|
public void setCurrentDay(int dayOfMonth) {
|
|
|
|
|
// 如果不是初始化状态并且设置的日期与当前日期相同,则直接返回
|
|
|
|
|
if (!mInitialising && dayOfMonth == getCurrentDay()) {
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
mDate.set(Calendar.DAY_OF_MONTH, dayOfMonth);
|
|
|
|
|
updateDateControl(); // 更新日期控件
|
|
|
|
|
onDateTimeChanged(); // 触发日期时间改变事件
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 获取当前小时(24小时制),范围为(0~23)
|
|
|
|
|
*
|
|
|
|
|
* @return 当前的小时(24小时制)
|
|
|
|
|
*/
|
|
|
|
|
public int getCurrentHourOfDay() {
|
|
|
|
|
return mDate.get(Calendar.HOUR_OF_DAY);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 获取当前小时,根据是否为24小时制返回不同的值。
|
|
|
|
|
* 如果是24小时制,与{@link #getCurrentHourOfDay()}返回相同结果;
|
|
|
|
|
* 否则,将小时转换为12小时制,并考虑上午/下午。
|
|
|
|
|
*
|
|
|
|
|
* @return 当前的小时(根据视图模式可能是12小时制)
|
|
|
|
|
*/
|
|
|
|
|
private int getCurrentHour() {
|
|
|
|
|
if (mIs24HourView) {
|
|
|
|
|
return getCurrentHourOfDay();
|
|
|
|
|
} else {
|
|
|
|
|
int hour = getCurrentHourOfDay();
|
|
|
|
|
// 转换为12小时制
|
|
|
|
|
if (hour > HOURS_IN_HALF_DAY) {
|
|
|
|
|
return hour - HOURS_IN_HALF_DAY;
|
|
|
|
|
} else {
|
|
|
|
|
return hour == 0 ? HOURS_IN_HALF_DAY : hour;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 设置当前小时(24小时制),范围为(0~23)
|
|
|
|
|
*
|
|
|
|
|
* @param hourOfDay 当前小时数
|
|
|
|
|
*/
|
|
|
|
|
public void setCurrentHour(int hourOfDay) {
|
|
|
|
|
// 如果在初始化中或者小时未改变,则直接返回
|
|
|
|
|
if (!mInitialising && hourOfDay == getCurrentHourOfDay()) {
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
mDate.set(Calendar.HOUR_OF_DAY, hourOfDay);
|
|
|
|
|
// 如果不是24小时视图,则调整小时数并更新AM/PM控制
|
|
|
|
|
if (!mIs24HourView) {
|
|
|
|
|
if (hourOfDay >= HOURS_IN_HALF_DAY) {
|
|
|
|
|
mIsAm = false;
|
|
|
|
|
if (hourOfDay > HOURS_IN_HALF_DAY) {
|
|
|
|
|
hourOfDay -= HOURS_IN_HALF_DAY;
|
|
|
|
|
}
|
|
|
|
|
} else {
|
|
|
|
|
mIsAm = true;
|
|
|
|
|
if (hourOfDay == 0) {
|
|
|
|
|
hourOfDay = HOURS_IN_HALF_DAY;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
updateAmPmControl();
|
|
|
|
|
}
|
|
|
|
|
mHourSpinner.setValue(hourOfDay);
|
|
|
|
|
onDateTimeChanged();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 获取当前分钟数
|
|
|
|
|
*
|
|
|
|
|
* @return 当前分钟数
|
|
|
|
|
*/
|
|
|
|
|
public int getCurrentMinute() {
|
|
|
|
|
return mDate.get(Calendar.MINUTE);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 设置当前分钟数
|
|
|
|
|
*
|
|
|
|
|
* @param minute 当前分钟数值
|
|
|
|
|
*/
|
|
|
|
|
public void setCurrentMinute(int minute) {
|
|
|
|
|
// 如果在初始化中或者分钟数未改变,则直接返回
|
|
|
|
|
if (!mInitialising && minute == getCurrentMinute()) {
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
mMinuteSpinner.setValue(minute);
|
|
|
|
|
mDate.set(Calendar.MINUTE, minute);
|
|
|
|
|
onDateTimeChanged();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 获取当前是否为24小时视图
|
|
|
|
|
*
|
|
|
|
|
* @return 如果是24小时视图返回true,否则返回false
|
|
|
|
|
*/
|
|
|
|
|
public boolean is24HourView() {
|
|
|
|
|
return mIs24HourView;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 设置当前视图为24小时制还是AM/PM制
|
|
|
|
|
*
|
|
|
|
|
* @param is24HourView 如果为true表示24小时制,false表示AM/PM制
|
|
|
|
|
*/
|
|
|
|
|
public void set24HourView(boolean is24HourView) {
|
|
|
|
|
// 如果视图模式未改变,则直接返回
|
|
|
|
|
if (mIs24HourView == is24HourView) {
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
mIs24HourView = is24HourView;
|
|
|
|
|
mAmPmSpinner.setVisibility(is24HourView ? View.GONE : View.VISIBLE);
|
|
|
|
|
int hour = getCurrentHourOfDay();
|
|
|
|
|
updateHourControl();
|
|
|
|
|
setCurrentHour(hour);
|
|
|
|
|
updateAmPmControl();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 更新日期控制组件,显示正确的日期选项
|
|
|
|
|
*/
|
|
|
|
|
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);
|
|
|
|
|
// 循环设置一周内每一天的显示文本
|
|
|
|
|
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);
|
|
|
|
|
}
|
|
|
|
|
mDateSpinner.setDisplayedValues(mDateDisplayValues);
|
|
|
|
|
mDateSpinner.setValue(DAYS_IN_ALL_WEEK / 2);
|
|
|
|
|
mDateSpinner.invalidate();
|
|
|
|
|
}
|
|
|
|
|
// 对于星期几的算法
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 根据当前是否为24小时视图来更新AM/PM控制组件的显示和值
|
|
|
|
|
*/
|
|
|
|
|
private void updateAmPmControl() {
|
|
|
|
|
if (mIs24HourView) {
|
|
|
|
|
mAmPmSpinner.setVisibility(View.GONE);
|
|
|
|
|
} else {
|
|
|
|
|
int index = mIsAm ? Calendar.AM : Calendar.PM;
|
|
|
|
|
mAmPmSpinner.setValue(index);
|
|
|
|
|
mAmPmSpinner.setVisibility(View.VISIBLE);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
// 对于上下午操作的算法
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 根据当前是否为24小时视图来更新小时控制组件的最小值和最大值
|
|
|
|
|
*/
|
|
|
|
|
private void updateHourControl() {
|
|
|
|
|
if (mIs24HourView) {
|
|
|
|
|
mHourSpinner.setMinValue(HOUR_SPINNER_MIN_VAL_24_HOUR_VIEW);
|
|
|
|
|
mHourSpinner.setMaxValue(HOUR_SPINNER_MAX_VAL_24_HOUR_VIEW);
|
|
|
|
|
} else {
|
|
|
|
|
mHourSpinner.setMinValue(HOUR_SPINNER_MIN_VAL_12_HOUR_VIEW);
|
|
|
|
|
mHourSpinner.setMaxValue(HOUR_SPINNER_MAX_VAL_12_HOUR_VIEW);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
// 对与小时的算法
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 设置点击“设置”按钮时的回调接口
|
|
|
|
|
*
|
|
|
|
|
* @param callback 回调接口实例,如果为null则不执行任何操作
|
|
|
|
|
*/
|
|
|
|
|
public void setOnDateTimeChangedListener(OnDateTimeChangedListener callback) {
|
|
|
|
|
mOnDateTimeChangedListener = callback;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 当日期时间被改变时调用此方法,如果设置了日期时间改变监听器,则触发监听器的回调方法
|
|
|
|
|
*/
|
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private void onDateTimeChanged() {
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if (mOnDateTimeChangedListener != null) {
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mOnDateTimeChangedListener.onDateTimeChanged(this, getCurrentYear(),
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getCurrentMonth(), getCurrentDay(), getCurrentHourOfDay(), getCurrentMinute());
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}
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}
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}
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