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Update DateTimePicker.java

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master
p85ynzixf 7 months ago
parent c7c7532790
commit e0e2de3058
1 changed files with 75 additions and 36 deletions
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111
java/net/micode/notes/ui/DateTimePicker.java
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@ -28,85 +28,123 @@ import android.view.View;
import android.widget.FrameLayout;
import android.widget.NumberPicker;
/**
* 自定义日期时间选择器控件
* 组合使用多个NumberPicker实现日期和时间选择功能
*/
public class DateTimePicker extends FrameLayout {
// 默认启用状态
private static final boolean DEFAULT_ENABLE_STATE = true;
private static final int HOURS_IN_HALF_DAY = 12;
private static final int HOURS_IN_ALL_DAY = 24;
private static final int DAYS_IN_ALL_WEEK = 7;
private static final int DATE_SPINNER_MIN_VAL = 0;
private static final int DATE_SPINNER_MAX_VAL = DAYS_IN_ALL_WEEK - 1;
private static final int HOUR_SPINNER_MIN_VAL_24_HOUR_VIEW = 0;
private static final int HOUR_SPINNER_MAX_VAL_24_HOUR_VIEW = 23;
private static final int HOUR_SPINNER_MIN_VAL_12_HOUR_VIEW = 1;
private static final int HOUR_SPINNER_MAX_VAL_12_HOUR_VIEW = 12;
private static final int MINUT_SPINNER_MIN_VAL = 0;
private static final int MINUT_SPINNER_MAX_VAL = 59;
private static final int AMPM_SPINNER_MIN_VAL = 0;
private static final int AMPM_SPINNER_MAX_VAL = 1;
private final NumberPicker mDateSpinner;
private final NumberPicker mHourSpinner;
private final NumberPicker mMinuteSpinner;
private final NumberPicker mAmPmSpinner;
private Calendar mDate;
// 时间相关常量
private static final int HOURS_IN_HALF_DAY = 12; // 半天的小时数
private static final int HOURS_IN_ALL_DAY = 24; // 全天的小时数
private static final int DAYS_IN_ALL_WEEK = 7; // 一周的天数
// NumberPicker范围常量
private static final int DATE_SPINNER_MIN_VAL = 0; // 日期选择器最小值
private static final int DATE_SPINNER_MAX_VAL = DAYS_IN_ALL_WEEK - 1; // 日期选择器最大值
private static final int HOUR_SPINNER_MIN_VAL_24_HOUR_VIEW = 0; // 24小时制小时最小值
private static final int HOUR_SPINNER_MAX_VAL_24_HOUR_VIEW = 23; // 24小时制小时最大值
private static final int HOUR_SPINNER_MIN_VAL_12_HOUR_VIEW = 1; // 12小时制小时最小值
private static final int HOUR_SPINNER_MAX_VAL_12_HOUR_VIEW = 12; // 12小时制小时最大值
private static final int MINUT_SPINNER_MIN_VAL = 0; // 分钟最小值
private static final int MINUT_SPINNER_MAX_VAL = 59; // 分钟最大值
private static final int AMPM_SPINNER_MIN_VAL = 0; // AM/PM选择器最小值
private static final int AMPM_SPINNER_MAX_VAL = 1; // AM/PM选择器最大值
// UI组件
private final NumberPicker mDateSpinner; // 日期选择器（显示为相对日期，如今天/明天）
private final NumberPicker mHourSpinner; // 小时选择器
private final NumberPicker mMinuteSpinner; // 分钟选择器
private final NumberPicker mAmPmSpinner; // AM/PM选择器（12小时制时使用）
private Calendar mDate; // 当前选择的日期时间对象
// 日期显示值（如"今天"、"明天"、"周日"等）
private String[] mDateDisplayValues = new String[DAYS_IN_ALL_WEEK];
private boolean mIsAm;
private boolean mIs24HourView;
private boolean mIsEnabled = DEFAULT_ENABLE_STATE;
private boolean mInitialising;
// 时间状态
private boolean mIsAm; // 是否为上午
private boolean mIs24HourView; // 是否使用24小时制
private boolean mIsEnabled = DEFAULT_ENABLE_STATE; // 控件启用状态
private boolean mInitialising; // 是否正在初始化
// 日期时间变更监听器
private OnDateTimeChangedListener mOnDateTimeChangedListener;
/**
* 日期变更监听器
* 当用户更改日期时触发
*/
private NumberPicker.OnValueChangeListener mOnDateChangedListener = new NumberPicker.OnValueChangeListener() {
@Override
public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
// 计算日期差值并更新日历对象
mDate.add(Calendar.DAY_OF_YEAR, newVal - oldVal);
// 更新日期控件显示
updateDateControl();
// 通知日期时间变更
onDateTimeChanged();
}
};
/**
* 小时变更监听器
* 处理12小时制和24小时制的特殊边界逻辑
*/
private NumberPicker.OnValueChangeListener mOnHourChangedListener = new NumberPicker.OnValueChangeListener() {
@Override
public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
boolean isDateChanged = false;
boolean isDateChanged = false; // 标记日期是否变更
Calendar cal = Calendar.getInstance();
// 12小时制特殊处理
if (!mIs24HourView) {
// 处理PM时段从11→12时（实际是23→0时，需要增加一天）
if (!mIsAm && oldVal == HOURS_IN_HALF_DAY - 1 && newVal == HOURS_IN_HALF_DAY) {
cal.setTimeInMillis(mDate.getTimeInMillis());
cal.add(Calendar.DAY_OF_YEAR, 1);
isDateChanged = true;
} else if (mIsAm && oldVal == HOURS_IN_HALF_DAY && newVal == HOURS_IN_HALF_DAY - 1) {
}
// 处理AM时段从12→11时（实际是0→23时，需要减少一天）
else if (mIsAm && oldVal == HOURS_IN_HALF_DAY && newVal == HOURS_IN_HALF_DAY - 1) {
cal.setTimeInMillis(mDate.getTimeInMillis());
cal.add(Calendar.DAY_OF_YEAR, -1);
isDateChanged = true;
}
if (oldVal == HOURS_IN_HALF_DAY - 1 && newVal == HOURS_IN_HALF_DAY ||
oldVal == HOURS_IN_HALF_DAY && newVal == HOURS_IN_HALF_DAY - 1) {
mIsAm = !mIsAm;
updateAmPmControl();
// 处理AM/PM切换点（12↔11时）
if ((oldVal == HOURS_IN_HALF_DAY - 1 && newVal == HOURS_IN_HALF_DAY) ||
(oldVal == HOURS_IN_HALF_DAY && newVal == HOURS_IN_HALF_DAY - 1)) {
mIsAm = !mIsAm; // 切换AM/PM状态
updateAmPmControl(); // 更新AM/PM控件
}
} else {
}
// 24小时制特殊处理
else {
// 处理23→00时（增加一天）
if (oldVal == HOURS_IN_ALL_DAY - 1 && newVal == 0) {
cal.setTimeInMillis(mDate.getTimeInMillis());
cal.add(Calendar.DAY_OF_YEAR, 1);
isDateChanged = true;
} else if (oldVal == 0 && newVal == HOURS_IN_ALL_DAY - 1) {
}
// 处理00→23时（减少一天）
else if (oldVal == 0 && newVal == HOURS_IN_ALL_DAY - 1) {
cal.setTimeInMillis(mDate.getTimeInMillis());
cal.add(Calendar.DAY_OF_YEAR, -1);
isDateChanged = true;
}
}
// 更新实际小时值（12小时制需要转换为24小时制）
int newHour = mHourSpinner.getValue() % HOURS_IN_HALF_DAY + (mIsAm ? 0 : HOURS_IN_HALF_DAY);
mDate.set(Calendar.HOUR_OF_DAY, newHour);
// 通知变更
onDateTimeChanged();
// 如果日期变更，更新日历控件
if (isDateChanged) {
setCurrentYear(cal.get(Calendar.YEAR));
setCurrentMonth(cal.get(Calendar.MONTH));
@ -114,6 +152,7 @@ public class DateTimePicker extends FrameLayout {
}
}
};
private NumberPicker.OnValueChangeListener mOnMinuteChangedListener = new NumberPicker.OnValueChangeListener() {
@Override

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