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91 lines
4.6 KiB
91 lines
4.6 KiB
/*
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* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package net.micode.notes.ui;
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import java.util.Calendar;
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import net.micode.notes.R;
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import net.micode.notes.ui.DateTimePicker;
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import net.micode.notes.ui.DateTimePicker.OnDateTimeChangedListener;
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import android.app.AlertDialog;
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import android.content.Context;
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import android.content.DialogInterface;
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import android.content.DialogInterface.OnClickListener;
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import android.text.format.DateFormat;
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import android.text.format.DateUtils;
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public class DateTimePickerDialog extends AlertDialog implements OnClickListener {
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private Calendar mDate = Calendar.getInstance(); // 当前日期和时间
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private boolean mIs24HourView; // 是否为24小时制
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private OnDateTimeSetListener mOnDateTimeSetListener; // 日期时间设置监听器
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private DateTimePicker mDateTimePicker; // 自定义的日期时间选择器
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public interface OnDateTimeSetListener {
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void OnDateTimeSet(AlertDialog dialog, long date); // 日期时间设置回调接口
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}
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public DateTimePickerDialog(Context context, long date) {
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super(context);
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mDateTimePicker = new DateTimePicker(context); // 创建一个自定义的日期时间选择器
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setView(mDateTimePicker); // 将日期时间选择器设置为对话框的视图
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mDateTimePicker.setOnDateTimeChangedListener(new OnDateTimeChangedListener() {
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public void onDateTimeChanged(DateTimePicker view, int year, int month,
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int dayOfMonth, int hourOfDay, int minute) {
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mDate.set(Calendar.YEAR, year); // 设置年份
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mDate.set(Calendar.MONTH, month); // 设置月份
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mDate.set(Calendar.DAY_OF_MONTH, dayOfMonth); // 设置日期
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mDate.set(Calendar.HOUR_OF_DAY, hourOfDay); // 设置小时
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mDate.set(Calendar.MINUTE, minute); // 设置分钟
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updateTitle(mDate.getTimeInMillis()); // 更新对话框标题
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}
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});
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mDate.setTimeInMillis(date); // 设置初始日期时间
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mDate.set(Calendar.SECOND, 0); // 将秒数设为0
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mDateTimePicker.setCurrentDate(mDate.getTimeInMillis()); // 设置日期时间选择器的当前日期时间
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setButton(context.getString(R.string.datetime_dialog_ok), this); // 设置确定按钮
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setButton2(context.getString(R.string.datetime_dialog_cancel), (OnClickListener)null); // 设置取消按钮
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set24HourView(DateFormat.is24HourFormat(this.getContext())); // 根据系统设置确定是否为24小时制
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updateTitle(mDate.getTimeInMillis()); // 更新对话框标题
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}
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public void set24HourView(boolean is24HourView) {
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mIs24HourView = is24HourView; // 设置是否为24小时制
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}
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public void setOnDateTimeSetListener(OnDateTimeSetListener callBack) {
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mOnDateTimeSetListener = callBack; // 设置日期时间设置监听器
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}
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private void updateTitle(long date) {
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int flag =
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DateUtils.FORMAT_SHOW_YEAR |
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DateUtils.FORMAT_SHOW_DATE |
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DateUtils.FORMAT_SHOW_TIME;
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flag |= mIs24HourView ? DateUtils.FORMAT_24HOUR : DateUtils.FORMAT_24HOUR;
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setTitle(DateUtils.formatDateTime(this.getContext(), date, flag)); // 更新对话框标题为格式化后的日期时间
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}
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public void onClick(DialogInterface arg0, int arg1) {
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if (mOnDateTimeSetListener != null) {
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mOnDateTimeSetListener.OnDateTimeSet(this, mDate.getTimeInMillis()); // 触发日期时间设置回调
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}
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}
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}
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