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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 android.content.Context;
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import android.os.Build;
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import android.text.format.DateFormat;
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import android.util.AttributeSet;
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import android.util.Log;
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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.widget.Toast;
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import net.micode.notes.R;
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import java.text.DateFormatSymbols;
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import java.util.Calendar;
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import java.util.Locale;
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/**
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* 日期时间选择器控件 - 提供完整的日期和时间选择功能
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*
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* 功能增强:
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* 1. 支持日期范围限制 (设置最小/最大日期)
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* 2. 添加星期名称本地化处理
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* 3. 支持日期格式化定制
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* 4. 增加日期验证和错误提示
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* 5. 改进时间滚动逻辑
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* 6. 支持深色模式
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* 7. 添加无障碍支持
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*
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* 修复问题:
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* 1. 修复12/24小时转换逻辑错误
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* 2. 解决日期显示越界问题
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* 3. 优化AM/PM切换处理
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* 4. 改进初始状态标记处理
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*/
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public class DateTimePicker extends FrameLayout {
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private static final String TAG = "DateTimePicker";
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// 配置常量
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private static final boolean DEFAULT_ENABLE_STATE = 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 MINUTE_SPINNER_MIN_VAL = 0;
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private static final int MINUTE_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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// 状态常量
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private static final int MODE_INITIALIZING = 0;
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private static final int MODE_NORMAL = 1;
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// 范围限制 (默认无限制)
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private long mMinDate = Long.MIN_VALUE;
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private long mMaxDate = Long.MAX_VALUE;
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// UI组件
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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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// 数据模型
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private Calendar mDate;
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private String[] mDateDisplayValues = new String[DAYS_IN_ALL_WEEK];
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private boolean mIsAm;
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private boolean mIs24HourView;
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private boolean mIsEnabled = DEFAULT_ENABLE_STATE;
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private int mState = MODE_INITIALIZING;
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// 监听器
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private OnDateTimeChangedListener mOnDateTimeChangedListener;
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/**
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* 日期变更监听器
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*/
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private final NumberPicker.OnValueChangeListener mOnDateChangedListener =
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(picker, oldVal, newVal) -> {
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// 计算日期变化差值
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int dayDiff = newVal - oldVal;
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mDate.add(Calendar.DAY_OF_YEAR, dayDiff);
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// 验证日期范围
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if (!isDateInRange()) {
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revertDateChange();
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showDateRangeWarning();
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return;
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}
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updateDateControl();
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onDateTimeChanged();
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};
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/**
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* 小时变更监听器
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*/
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private final NumberPicker.OnValueChangeListener mOnHourChangedListener =
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(picker, oldVal, newVal) -> {
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int newHour = computeNewHour(oldVal, newVal);
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mDate.set(Calendar.HOUR_OF_DAY, newHour);
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onDateTimeChanged();
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};
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/**
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* 分钟变更监听器
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*/
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private final NumberPicker.OnValueChangeListener mOnMinuteChangedListener =
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(picker, oldVal, newVal) -> {
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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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* AM/PM变更监听器
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*/
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private final NumberPicker.OnValueChangeListener mOnAmPmChangedListener =
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(picker, oldVal, newVal) -> {
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// 切换AM/PM状态
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mIsAm = (newVal == Calendar.AM);
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// 调整时间：AM->PM加12小时，PM->AM减12小时
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int hour = mDate.get(Calendar.HOUR_OF_DAY);
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hour = mIsAm ? hour % 12 : hour % 12 + 12;
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mDate.set(Calendar.HOUR_OF_DAY, hour);
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updateHourControl();
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onDateTimeChanged();
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};
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/**
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* 日期时间变更回调接口
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*/
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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 ***************************/
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public DateTimePicker(Context context) {
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this(context, null);
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}
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public DateTimePicker(Context context, AttributeSet attrs) {
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this(context, attrs, 0);
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}
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public DateTimePicker(Context context, AttributeSet attrs, int defStyleAttr) {
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super(context, attrs, defStyleAttr);
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// 使用当前时间初始化
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init(context, System.currentTimeMillis(), DateFormat.is24HourFormat(context));
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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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}
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public DateTimePicker(Context context, long date, boolean is24HourView) {
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super(context);
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init(context, date, is24HourView);
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}
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/**
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* 初始化日期时间选择器
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*/
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private void init(Context context, long date, boolean is24HourView) {
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// 初始化日期对象
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mDate = Calendar.getInstance();
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mState = MODE_INITIALIZING;
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mIs24HourView = is24HourView;
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// 确定初始AM/PM状态
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int currentHour = (int) (date / (60 * 60 * 1000) % 24);
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mIsAm = currentHour < 12;
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// 加载布局
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inflate(context, R.layout.datetime_picker, this);
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// 初始化日期选择器
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mDateSpinner = 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.setWrapSelectorWheel(false);
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// 初始化小时选择器
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mHourSpinner = findViewById(R.id.hour);
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mHourSpinner.setOnValueChangedListener(mOnHourChangedListener);
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// 初始化分钟选择器
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mMinuteSpinner = findViewById(R.id.minute);
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mMinuteSpinner.setMinValue(MINUTE_SPINNER_MIN_VAL);
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mMinuteSpinner.setMaxValue(MINUTE_SPINNER_MAX_VAL);
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mMinuteSpinner.setOnLongPressUpdateInterval(100);
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mMinuteSpinner.setOnValueChangedListener(mOnMinuteChangedListener);
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// 初始化AM/PM选择器
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mAmPmSpinner = 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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// 本地化AM/PM符号
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updateAmPmSymbols();
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mAmPmSpinner.setOnValueChangedListener(mOnAmPmChangedListener);
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// 更新UI控件
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updateDateControl();
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updateHourControl();
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updateAmPmControl();
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// 设置初始时间
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setCurrentDate(date);
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// 应用启用状态
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setEnabled(isEnabled());
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// 应用深色模式
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applyDarkMode();
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// 初始化完成
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mState = MODE_NORMAL;
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}
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/*************************** 公共方法 ***************************/
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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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return;
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}
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super.setEnabled(enabled);
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// 设置子控件状态
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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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}
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@Override
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public boolean isEnabled() {
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return mIsEnabled;
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}
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/**
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* 获取当前时间戳 (毫秒)
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*/
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public long getCurrentDateInTimeMillis() {
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return mDate.getTimeInMillis();
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}
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/**
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* 设置当前时间
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*/
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public void setCurrentDate(long date) {
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// 验证日期范围
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if (date < mMinDate || date > mMaxDate) {
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Log.w(TAG, "设置日期超出范围: " + date);
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return;
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}
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Calendar cal = Calendar.getInstance();
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cal.setTimeInMillis(date);
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setCurrentDate(
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cal.get(Calendar.YEAR),
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cal.get(Calendar.MONTH),
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cal.get(Calendar.DAY_OF_MONTH),
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cal.get(Calendar.HOUR_OF_DAY),
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cal.get(Calendar.MINUTE)
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);
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}
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/**
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* 设置日期时间
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*/
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public void setCurrentDate(int year, int month, 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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}
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/**
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* 获取当前年份
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*/
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public int getCurrentYear() {
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return mDate.get(Calendar.YEAR);
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}
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/**
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* 设置当前年份
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*/
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public void setCurrentYear(int year) {
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// 检查状态避免不必要的更新
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if (mState != MODE_INITIALIZING && year == getCurrentYear()) {
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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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}
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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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return mDate.get(Calendar.MONTH);
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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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if (mState != MODE_INITIALIZING && month == getCurrentMonth()) {
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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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}
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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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return mDate.get(Calendar.DAY_OF_MONTH);
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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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if (mState != MODE_INITIALIZING && dayOfMonth == getCurrentDay()) {
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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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}
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/**
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* 获取当前小时(24小时制)
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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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}
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/**
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* 根据显示模式获取小时
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*/
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private int getCurrentDisplayHour() {
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int hour = getCurrentHourOfDay();
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if (mIs24HourView) {
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return hour;
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} else {
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if (hour == 0 || hour == 12) {
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return 12;
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}
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return hour % 12;
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}
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}
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/**
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* 设置当前小时(24小时制)
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*/
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public void setCurrentHour(int hourOfDay) {
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// 验证小时值是否有效
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if (hourOfDay < 0 || hourOfDay > 23) {
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Log.e(TAG, "无效的小时值: " + hourOfDay);
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return;
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}
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if (mState != MODE_INITIALIZING && hourOfDay == getCurrentHourOfDay()) {
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return;
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}
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mDate.set(Calendar.HOUR_OF_DAY, hourOfDay);
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// 更新AM/PM状态
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if (!mIs24HourView) {
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mIsAm = (hourOfDay < 12);
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updateAmPmControl();
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}
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// 更新显示值
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mHourSpinner.setValue(getCurrentDisplayHour());
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onDateTimeChanged();
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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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return mDate.get(Calendar.MINUTE);
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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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if (mState != MODE_INITIALIZING && minute == getCurrentMinute()) {
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return;
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}
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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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}
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/**
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* 是否使用24小时制
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*/
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public boolean is24HourView () {
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return mIs24HourView;
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}
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/**
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* 设置24小时制模式
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*/
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public void set24HourView(boolean is24HourView) {
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if (mIs24HourView == is24HourView) {
|
|
|
return;
|
|
|
}
|
|
|
mIs24HourView = is24HourView;
|
|
|
|
|
|
// 更新AM/PM显示
|
|
|
int amPmVisibility = is24HourView ? View.GONE : View.VISIBLE;
|
|
|
mAmPmSpinner.setVisibility(amPmVisibility);
|
|
|
|
|
|
// 更新小时控制
|
|
|
updateHourControl();
|
|
|
setCurrentHour(getCurrentHourOfDay());
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* 设置最小可选日期
|
|
|
*/
|
|
|
public void setMinDate(long minDate) {
|
|
|
mMinDate = minDate;
|
|
|
validateCurrentDate();
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* 设置最大可选日期
|
|
|
*/
|
|
|
public void setMaxDate(long maxDate) {
|
|
|
mMaxDate = maxDate;
|
|
|
validateCurrentDate();
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* 设置日期时间变更监听器
|
|
|
*/
|
|
|
public void setOnDateTimeChangedListener(OnDateTimeChangedListener listener) {
|
|
|
mOnDateTimeChangedListener = listener;
|
|
|
}
|
|
|
|
|
|
/*************************** 私有方法 ***************************/
|
|
|
|
|
|
/**
|
|
|
* 计算新小时值 (处理滚动越界)
|
|
|
*/
|
|
|
private int computeNewHour(int oldVal, int newVal) {
|
|
|
int currentHour = getCurrentHourOfDay();
|
|
|
|
|
|
if (mIs24HourView) {
|
|
|
// 24小时制处理
|
|
|
if (oldVal == HOUR_SPINNER_MAX_VAL_24_HOUR_VIEW && newVal == 0) {
|
|
|
return 0; // 23 -> 0
|
|
|
} else if (oldVal == 0 && newVal == HOUR_SPINNER_MAX_VAL_24_HOUR_VIEW) {
|
|
|
return 23; // 0 -> 23
|
|
|
}
|
|
|
} else {
|
|
|
// 12小时制处理
|
|
|
if (oldVal == 12 && newVal == 11) {
|
|
|
return mIsAm ? 11 : 23; // PM状态下12->11实际上是23点
|
|
|
} else if (oldVal == 11 && newVal == 12) {
|
|
|
return mIsAm ? 12 : 0; // AM状态下11->12是中午12点
|
|
|
}
|
|
|
}
|
|
|
|
|
|
// 基本转换
|
|
|
int hour = newVal;
|
|
|
if (!mIs24HourView && !mIsAm && hour != 12) {
|
|
|
hour += 12;
|
|
|
}
|
|
|
|
|
|
// 特殊处理中午12点
|
|
|
if (hour == 24) hour = 0;
|
|
|
return hour;
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* 更新日期控件显示
|
|
|
*/
|
|
|
private void updateDateControl() {
|
|
|
Calendar cal = Calendar.getInstance();
|
|
|
cal.setTimeInMillis(mDate.getTimeInMillis());
|
|
|
|
|
|
// 以当前日期为中心生成一周的日期
|
|
|
cal.add(Calendar.DAY_OF_YEAR, -DAYS_IN_ALL_WEEK / 2);
|
|
|
|
|
|
for (int i = 0; i < DAYS_IN_ALL_WEEK; i++) {
|
|
|
// 生成日期显示字符串 (带星期)
|
|
|
mDateDisplayValues[i] = formatDateWithWeekday(cal);
|
|
|
cal.add(Calendar.DAY_OF_YEAR, 1);
|
|
|
}
|
|
|
|
|
|
// 设置日期选择器显示内容
|
|
|
mDateSpinner.setDisplayedValues(mDateDisplayValues);
|
|
|
mDateSpinner.setValue(DAYS_IN_ALL_WEEK / 2); // 当前日期在中间位置
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* 格式化日期 (带星期显示)
|
|
|
*/
|
|
|
private String formatDateWithWeekday(Calendar calendar) {
|
|
|
java.text.DateFormat dateFormat = java.text.DateFormat.getDateInstance(
|
|
|
java.text.DateFormat.MEDIUM, Locale.getDefault());
|
|
|
|
|
|
// 添加星期显示
|
|
|
String weekday = getWeekdayName(calendar.get(Calendar.DAY_OF_WEEK));
|
|
|
return String.format("%s (%s)",
|
|
|
dateFormat.format(calendar.getTime()),
|
|
|
weekday
|
|
|
);
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* 获取本地化星期名称
|
|
|
*/
|
|
|
private String getWeekdayName(int dayOfWeek) {
|
|
|
String[] weekdays = new DateFormatSymbols().getWeekdays();
|
|
|
if (dayOfWeek >= Calendar.SUNDAY && dayOfWeek <= Calendar.SATURDAY) {
|
|
|
return weekdays[dayOfWeek];
|
|
|
}
|
|
|
return "";
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* 更新AM/PM控件
|
|
|
*/
|
|
|
private void updateAmPmControl() {
|
|
|
if (mIs24HourView) {
|
|
|
return;
|
|
|
}
|
|
|
mAmPmSpinner.setValue(mIsAm ? 0 : 1);
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* 更新小时控件范围
|
|
|
*/
|
|
|
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);
|
|
|
}
|
|
|
mHourSpinner.setValue(getCurrentDisplayHour());
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* 更新AM/PM符号
|
|
|
*/
|
|
|
private void updateAmPmSymbols() {
|
|
|
String[] ampmSymbols = new DateFormatSymbols().getAmPmStrings();
|
|
|
if (ampmSymbols.length < 2) {
|
|
|
Log.e(TAG, "AM/PM符号获取失败");
|
|
|
ampmSymbols = new String[]{"AM", "PM"}; // 默认值
|
|
|
}
|
|
|
mAmPmSpinner.setDisplayedValues(ampmSymbols);
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* 应用深色模式适配
|
|
|
*/
|
|
|
private void applyDarkMode() {
|
|
|
// 在Android 10+系统上添加深色模式支持
|
|
|
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
|
|
|
setForceDarkAllowed(true);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* 验证当前日期是否在允许范围内
|
|
|
*/
|
|
|
private void validateCurrentDate() {
|
|
|
long currentTime = getCurrentDateInTimeMillis();
|
|
|
if (currentTime < mMinDate || currentTime > mMaxDate) {
|
|
|
// 自动调整到有效范围
|
|
|
long newTime = Math.max(mMinDate, Math.min(currentTime, mMaxDate));
|
|
|
setCurrentDate(newTime);
|
|
|
|
|
|
// 触发更新
|
|
|
updateDateControl();
|
|
|
updateHourControl();
|
|
|
updateAmPmControl();
|
|
|
}
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* 检查当前日期是否在允许范围内
|
|
|
*/
|
|
|
private boolean isDateInRange() {
|
|
|
long currentTime = mDate.getTimeInMillis();
|
|
|
return currentTime >= mMinDate && currentTime <= mMaxDate;
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* 回滚日期变化
|
|
|
*/
|
|
|
private void revertDateChange() {
|
|
|
// 回滚到上一次有效日期
|
|
|
if (mDateSpinner.getValue() > DAYS_IN_ALL_WEEK / 2) {
|
|
|
mDateSpinner.setValue(mDateSpinner.getValue() - 1);
|
|
|
} else if (mDateSpinner.getValue() < DAYS_IN_ALL_WEEK / 2) {
|
|
|
mDateSpinner.setValue(mDateSpinner.getValue() + 1);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* 显示日期范围警告
|
|
|
*/
|
|
|
private void showDateRangeWarning() {
|
|
|
Context context = getContext();
|
|
|
Calendar minCal = Calendar.getInstance();
|
|
|
minCal.setTimeInMillis(mMinDate);
|
|
|
Calendar maxCal = Calendar.getInstance();
|
|
|
maxCal.setTimeInMillis(mMaxDate);
|
|
|
|
|
|
java.text.DateFormat df = java.text.DateFormat.getDateInstance();
|
|
|
String msg = String.format(
|
|
|
context.getString(R.string.date_range_warning),
|
|
|
df.format(minCal.getTime()),
|
|
|
df.format(maxCal.getTime())
|
|
|
);
|
|
|
|
|
|
Toast.makeText(context, msg, Toast.LENGTH_SHORT).show();
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* 触发日期时间变更事件
|
|
|
*/
|
|
|
private void onDateTimeChanged() {
|
|
|
if (mOnDateTimeChangedListener != null) {
|
|
|
mOnDateTimeChangedListener.onDateTimeChanged(
|
|
|
this,
|
|
|
getCurrentYear(),
|
|
|
getCurrentMonth(),
|
|
|
getCurrentDay(),
|
|
|
getCurrentHourOfDay(),
|
|
|
getCurrentMinute()
|
|
|
);
|
|
|
}
|
|
|
}
|
|
|
} |
