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@ -21,92 +21,122 @@ 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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/**
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* 自定义日期时间选择器控件
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* 提供日期、小时、分钟和AM/PM的选择功能
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* 支持12小时制和24小时制两种显示模式
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*/
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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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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 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 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 boolean mInitialising;
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// 时间相关常量定义
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private static final int HOURS_IN_HALF_DAY = 12; // 半天的小时数(12小时制)
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private static final int HOURS_IN_ALL_DAY = 24; // 全天小时数(24小时制)
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private static final int DAYS_IN_ALL_WEEK = 7; // 一周天数
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// 各选择器的数值范围常量
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private static final int DATE_SPINNER_MIN_VAL = 0; // 日期选择器最小值
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private static final int DATE_SPINNER_MAX_VAL = DAYS_IN_ALL_WEEK - 1; // 日期选择器最大值
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private static final int HOUR_SPINNER_MIN_VAL_24_HOUR_VIEW = 0; // 24小时制小时最小值
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private static final int HOUR_SPINNER_MAX_VAL_24_HOUR_VIEW = 23; // 24小时制小时最大值
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private static final int HOUR_SPINNER_MIN_VAL_12_HOUR_VIEW = 1; // 12小时制小时最小值
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private static final int HOUR_SPINNER_MAX_VAL_12_HOUR_VIEW = 12; // 12小时制小时最大值
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private static final int MINUT_SPINNER_MIN_VAL = 0; // 分钟选择器最小值
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private static final int MINUT_SPINNER_MAX_VAL = 59; // 分钟选择器最大值
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private static final int AMPM_SPINNER_MIN_VAL = 0; // AM/PM选择器最小值
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private static final int AMPM_SPINNER_MAX_VAL = 1; // AM/PM选择器最大值
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// UI组件
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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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// 数据状态
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private Calendar mDate; // 当前选择的日期时间
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private String[] mDateDisplayValues = new String[DAYS_IN_ALL_WEEK]; // 日期显示文本数组
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private boolean mIsAm; // 是否为上午(AM)
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private boolean mIs24HourView; // 是否为24小时制显示
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private boolean mIsEnabled = DEFAULT_ENABLE_STATE; // 控件是否启用
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private boolean mInitialising; // 初始化状态标志,防止初始化期间触发回调
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// 回调接口
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private OnDateTimeChangedListener mOnDateTimeChangedListener;
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/**
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* 日期变化监听器
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* 处理日期选择器的值变化,调整日期并更新显示
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*/
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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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// 根据新旧值差异调整日期
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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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updateDateControl(); // 更新日期显示
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onDateTimeChanged(); // 触发日期时间变化回调
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}
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};
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/**
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* 小时变化监听器
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* 处理小时选择器的值变化,包括12/24小时制转换和日期边界处理
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*/
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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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boolean isDateChanged = false; // 标记是否需要调整日期
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Calendar cal = Calendar.getInstance();
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if (!mIs24HourView) {
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// 12小时制下的特殊处理
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// 下午11点->12点:需要增加一天
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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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} else if (mIsAm && oldVal == HOURS_IN_HALF_DAY && newVal == HOURS_IN_HALF_DAY - 1) {
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}
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// 上午12点->11点:需要减少一天
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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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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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// 处理AM/PM切换(11点<->12点)
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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; // 切换AM/PM状态
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updateAmPmControl(); // 更新AM/PM显示
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}
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} else {
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// 24小时制下的特殊处理
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// 23点->0点:需要增加一天
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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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}
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// 0点->23点:需要减少一天
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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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// 计算实际的小时值(12小时制需要转换为24小时制)
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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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onDateTimeChanged(); // 触发回调
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// 如果需要调整日期,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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@ -115,111 +145,169 @@ public class DateTimePicker extends FrameLayout {
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}
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};
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/**
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* 分钟变化监听器
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* 处理分钟选择器的值变化,包括分钟循环边界处理
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*/
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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 offset = 0; // 小时调整偏移量
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// 处理分钟循环:59->0需要增加1小时,0->59需要减少1小时
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if (oldVal == maxValue && newVal == minValue) {
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offset += 1;
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offset += 1; // 向前滚动:增加1小时
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} else if (oldVal == minValue && newVal == maxValue) {
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offset -= 1;
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offset -= 1; // 向后滚动:减少1小时
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}
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// 如果需要调整小时
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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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mDate.add(Calendar.HOUR_OF_DAY, offset); // 调整小时
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mHourSpinner.setValue(getCurrentHour()); // 更新小时显示
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updateDateControl(); // 更新日期显示(可能因小时调整而跨天)
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// 检查并更新AM/PM状态
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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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mIsAm = false; // 下午
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updateAmPmControl();
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} else {
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mIsAm = true;
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mIsAm = true; // 上午
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updateAmPmControl();
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}
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}
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// 设置新的分钟值
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mDate.set(Calendar.MINUTE, newVal);
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onDateTimeChanged();
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onDateTimeChanged(); // 触发回调
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}
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};
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/**
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* AM/PM变化监听器
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* 处理AM/PM选择器的值变化,调整12小时
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*/
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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切换调整12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); // PM->AM:减少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); // AM->PM:增加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显示
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onDateTimeChanged(); // 触发回调
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}
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};
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/**
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* 日期时间变化回调接口
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*/
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public interface OnDateTimeChangedListener {
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/**
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* 当日期时间发生变化时调用
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* @param view 触发变化的DateTimePicker实例
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* @param year 年份
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* @param month 月份(0-11)
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* @param dayOfMonth 日期(1-31)
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* @param hourOfDay 小时(0-23)
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* @param minute 分钟(0-59)
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*/
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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);
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}
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/**
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* 构造函数 - 使用当前时间初始化
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* @param context 上下文环境
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*/
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public DateTimePicker(Context context) {
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this(context, System.currentTimeMillis());
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}
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/**
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* 构造函数 - 使用指定时间初始化
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* @param context 上下文环境
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* @param date 初始时间(毫秒时间戳)
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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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/**
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* 主构造函数 - 完整初始化
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* @param context 上下文环境
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* @param date 初始时间(毫秒时间戳)
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* @param is24HourView 是否为24小时制显示
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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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mDate = Calendar.getInstance(); // 创建日历实例
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mInitialising = true; // 标记开始初始化
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// 根据当前时间判断初始AM/PM状态
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mIsAm = (getCurrentHourOfDay() < HOURS_IN_HALF_DAY);
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// 加载布局文件
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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 = (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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// 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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// 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.setOnLongPressUpdateInterval(100); // 设置长按更新间隔
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mMinuteSpinner.setOnValueChangedListener(mOnMinuteChangedListener);
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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(); // 获取本地化的AM/PM文本
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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.setDisplayedValues(stringsForAmPm); // 设置显示文本
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mAmPmSpinner.setOnValueChangedListener(mOnAmPmChangedListener);
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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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// 更新各控件到初始状态
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updateDateControl(); // 更新日期显示
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updateHourControl(); // 更新小时显示范围
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updateAmPmControl(); // 更新AM/PM显示
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set24HourView(is24HourView);
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set24HourView(is24HourView); // 设置时间显示格式
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// set to current time
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setCurrentDate(date);
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setCurrentDate(date); // 设置初始时间
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setEnabled(isEnabled());
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setEnabled(isEnabled()); // 设置启用状态
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// set the content descriptions
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mInitialising = false;
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mInitialising = false; // 标记初始化完成
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}
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/**
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* 设置控件启用状态
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* @param enabled true启用,false禁用
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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) {
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return;
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return; // 状态未变化,直接返回
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}
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super.setEnabled(enabled);
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// 设置各子组件的启用状态
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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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@ -227,43 +315,45 @@ public class DateTimePicker extends FrameLayout {
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mIsEnabled = enabled;
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}
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/**
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* 获取控件启用状态
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* @return true启用,false禁用
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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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* Get the current date in millis
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*
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* @return the current date in millis
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* 获取当前日期时间的毫秒时间戳
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* @return 当前日期时间的毫秒时间戳
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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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* Set the current date
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*
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* @param date The current date in millis
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* 设置当前日期时间(通过毫秒时间戳)
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* @param date 日期时间的毫秒时间戳
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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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// 分解设置年月日时分
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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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*
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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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* 设置当前日期时间(通过具体参数)
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* @param year 年份
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* @param month 月份(0-11)
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* @param dayOfMonth 日期(1-31)
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* @param hourOfDay 小时(0-23)
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* @param minute 分钟(0-59)
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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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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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@ -272,41 +362,38 @@ public class DateTimePicker extends FrameLayout {
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}
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/**
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* Get current year
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*
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* @return The current year
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* 获取当前年份
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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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}
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/**
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* Set current year
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*
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* @param year The current year
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* 设置当前年份
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* @param year 要设置的年份
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*/
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public void setCurrentYear(int year) {
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// 初始化期间或年份未变化时跳过回调
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if (!mInitialising && 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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updateDateControl(); // 更新日期显示
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onDateTimeChanged(); // 触发回调
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}
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/**
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* Get current month in the year
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*
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* @return The current month in the year
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* 获取当前月份
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* @return 当前月份(0-11)
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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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* Set current month in the year
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*
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* @param month The month in the year
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* 设置当前月份
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* @param month 要设置的月份(0-11)
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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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|
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|
@ -318,18 +405,16 @@ public class DateTimePicker extends FrameLayout {
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}
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/**
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* Get current day of the month
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*
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* @return The day of the month
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* 获取当前日期
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* @return 当前日期(1-31)
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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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* Set current day of the month
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*
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* @param dayOfMonth The day of the month
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* 设置当前日期
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* @param dayOfMonth 要设置的日期(1-31)
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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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|
@ -341,145 +426,179 @@ public class DateTimePicker extends FrameLayout {
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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(24小时制)
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* @return 当前小时(0-23)
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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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* 获取当前显示的小时值(根据12/24小时制格式)
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* @return 12小时制返回1-12,24小时制返回0-23
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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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return getCurrentHourOfDay(); // 24小时制直接返回
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} else {
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int hour = getCurrentHourOfDay();
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// 12小时制转换:0点显示为12,13-23点转换为1-11
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if (hour > HOURS_IN_HALF_DAY) {
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return hour - HOURS_IN_HALF_DAY;
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|
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return hour - HOURS_IN_HALF_DAY; // 下午时间:13-23 -> 1-11
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} else {
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|
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return hour == 0 ? HOURS_IN_HALF_DAY : hour;
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|
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return hour == 0 ? HOURS_IN_HALF_DAY : hour; // 0点显示为12,1-11点不变
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}
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}
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|
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}
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|
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|
|
/**
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|
|
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* Set current hour in 24 hour mode, in the range (0~23)
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|
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*
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|
|
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* @param hourOfDay
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|
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* 设置当前小时(24小时制)
|
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|
|
|
* @param hourOfDay 要设置的小时(0-23)
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|
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*/
|
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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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|
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return;
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|
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}
|
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|
|
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mDate.set(Calendar.HOUR_OF_DAY, hourOfDay);
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|
|
|
|
|
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|
|
// 12小时制需要额外处理AM/PM状态
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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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|
|
mIsAm = false; // 下午
|
|
|
|
|
if (hourOfDay > HOURS_IN_HALF_DAY) {
|
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|
|
|
hourOfDay -= HOURS_IN_HALF_DAY;
|
|
|
|
|
hourOfDay -= HOURS_IN_HALF_DAY; // 13-23点转换为1-11点
|
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|
|
|
}
|
|
|
|
|
} else {
|
|
|
|
|
mIsAm = true;
|
|
|
|
|
mIsAm = true; // 上午
|
|
|
|
|
if (hourOfDay == 0) {
|
|
|
|
|
hourOfDay = HOURS_IN_HALF_DAY;
|
|
|
|
|
hourOfDay = HOURS_IN_HALF_DAY; // 0点转换为12点
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
updateAmPmControl();
|
|
|
|
|
updateAmPmControl(); // 更新AM/PM显示
|
|
|
|
|
}
|
|
|
|
|
mHourSpinner.setValue(hourOfDay);
|
|
|
|
|
onDateTimeChanged();
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|
|
|
|
|
|
|
|
|
mHourSpinner.setValue(hourOfDay); // 设置小时选择器值
|
|
|
|
|
onDateTimeChanged(); // 触发回调
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* Get currentMinute
|
|
|
|
|
*
|
|
|
|
|
* @return The Current Minute
|
|
|
|
|
* 获取当前分钟
|
|
|
|
|
* @return 当前分钟(0-59)
|
|
|
|
|
*/
|
|
|
|
|
public int getCurrentMinute() {
|
|
|
|
|
return mDate.get(Calendar.MINUTE);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* Set current minute
|
|
|
|
|
* 设置当前分钟
|
|
|
|
|
* @param minute 要设置的分钟(0-59)
|
|
|
|
|
*/
|
|
|
|
|
public void setCurrentMinute(int minute) {
|
|
|
|
|
if (!mInitialising && minute == getCurrentMinute()) {
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
mMinuteSpinner.setValue(minute);
|
|
|
|
|
mDate.set(Calendar.MINUTE, minute);
|
|
|
|
|
onDateTimeChanged();
|
|
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mMinuteSpinner.setValue(minute); // 设置分钟选择器值
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mDate.set(Calendar.MINUTE, minute); // 设置日历分钟
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onDateTimeChanged(); // 触发回调
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}
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/**
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* @return true if this is in 24 hour view else false.
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* 检查是否为24小时制显示
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* @return true为24小时制,false为12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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* Set whether in 24 hour or AM/PM mode.
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*
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* @param is24HourView True for 24 hour mode. False for AM/PM mode.
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* 设置时间显示格式
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* @param is24HourView true为24小时制,false为12小时制
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*/
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public void set24HourView(boolean is24HourView) {
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if (mIs24HourView == is24HourView) {
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return;
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return; // 显示模式未变化,直接返回
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}
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mIs24HourView = is24HourView;
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// 显示/隐藏AM/PM选择器
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mAmPmSpinner.setVisibility(is24HourView ? View.GONE : View.VISIBLE);
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int hour = getCurrentHourOfDay();
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updateHourControl();
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setCurrentHour(hour);
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updateAmPmControl();
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int hour = getCurrentHourOfDay(); // 保存当前小时
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updateHourControl(); // 更新小时选择器范围
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setCurrentHour(hour); // 重新设置小时(会进行格式转换)
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updateAmPmControl(); // 更新AM/PM显示
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}
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/**
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* 更新日期显示控制
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* 以当前日期为中心,显示前后各3天的日期范围(共7天)
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*/
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private void updateDateControl() {
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Calendar cal = Calendar.getInstance();
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cal.setTimeInMillis(mDate.getTimeInMillis());
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// 从当前日期前3天开始计算(中间项为当前日期)
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cal.add(Calendar.DAY_OF_YEAR, -DAYS_IN_ALL_WEEK / 2 - 1);
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mDateSpinner.setDisplayedValues(null);
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mDateSpinner.setDisplayedValues(null); // 清空显示值
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// 生成7天的日期显示文本
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for (int i = 0; i < DAYS_IN_ALL_WEEK; ++i) {
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cal.add(Calendar.DAY_OF_YEAR, 1);
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cal.add(Calendar.DAY_OF_YEAR, 1); // 增加一天
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|
// 格式化为"月.日 星期几"的格式
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|
mDateDisplayValues[i] = (String) DateFormat.format("MM.dd EEEE", cal);
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|
|
}
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mDateSpinner.setDisplayedValues(mDateDisplayValues);
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|
mDateSpinner.setValue(DAYS_IN_ALL_WEEK / 2);
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|
|
mDateSpinner.invalidate();
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mDateSpinner.setDisplayedValues(mDateDisplayValues); // 设置显示文本
|
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|
|
mDateSpinner.setValue(DAYS_IN_ALL_WEEK / 2); // 选中中间项(当前日期)
|
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|
|
mDateSpinner.invalidate(); // 刷新显示
|
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|
|
}
|
|
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|
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|
|
|
/**
|
|
|
|
|
* 更新AM/PM显示控制
|
|
|
|
|
* 根据24小时制设置显示或隐藏AM/PM选择器
|
|
|
|
|
*/
|
|
|
|
|
private void updateAmPmControl() {
|
|
|
|
|
if (mIs24HourView) {
|
|
|
|
|
mAmPmSpinner.setVisibility(View.GONE);
|
|
|
|
|
mAmPmSpinner.setVisibility(View.GONE); // 24小时制隐藏AM/PM
|
|
|
|
|
} else {
|
|
|
|
|
int index = mIsAm ? Calendar.AM : Calendar.PM;
|
|
|
|
|
mAmPmSpinner.setValue(index);
|
|
|
|
|
mAmPmSpinner.setVisibility(View.VISIBLE);
|
|
|
|
|
int index = mIsAm ? Calendar.AM : Calendar.PM; // 计算AM/PM索引
|
|
|
|
|
mAmPmSpinner.setValue(index); // 设置AM/PM选择器值
|
|
|
|
|
mAmPmSpinner.setVisibility(View.VISIBLE); // 显示AM/PM选择器
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 更新小时显示控制
|
|
|
|
|
* 根据12/24小时制设置小时选择器的数值范围
|
|
|
|
|
*/
|
|
|
|
|
private void updateHourControl() {
|
|
|
|
|
if (mIs24HourView) {
|
|
|
|
|
// 24小时制:0-23
|
|
|
|
|
mHourSpinner.setMinValue(HOUR_SPINNER_MIN_VAL_24_HOUR_VIEW);
|
|
|
|
|
mHourSpinner.setMaxValue(HOUR_SPINNER_MAX_VAL_24_HOUR_VIEW);
|
|
|
|
|
} else {
|
|
|
|
|
// 12小时制:1-12
|
|
|
|
|
mHourSpinner.setMinValue(HOUR_SPINNER_MIN_VAL_12_HOUR_VIEW);
|
|
|
|
|
mHourSpinner.setMaxValue(HOUR_SPINNER_MAX_VAL_12_HOUR_VIEW);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* Set the callback that indicates the 'Set' button has been pressed.
|
|
|
|
|
* @param callback the callback, if null will do nothing
|
|
|
|
|
* 设置日期时间变化监听器
|
|
|
|
|
* @param callback 监听器回调接口
|
|
|
|
|
*/
|
|
|
|
|
public void setOnDateTimeChangedListener(OnDateTimeChangedListener callback) {
|
|
|
|
|
mOnDateTimeChangedListener = callback;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 日期时间变化回调方法
|
|
|
|
|
* 当任何日期时间组件发生变化时调用,通知监听器
|
|
|
|
|
*/
|
|
|
|
|
private void onDateTimeChanged() {
|
|
|
|
|
if (mOnDateTimeChangedListener != null) {
|
|
|
|
|
mOnDateTimeChangedListener.onDateTimeChanged(this, getCurrentYear(),
|
|
|
|
|
getCurrentMonth(), getCurrentDay(), getCurrentHourOfDay(), getCurrentMinute());
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|