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ui：2-3个代码注释

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src
zhangjinhan 8 months ago
parent 7038358fa4
commit a8775a1444
4 changed files with 770 additions and 500 deletions
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5
Notes-master/src/net/micode/notes/ui/AlarmInitReceiver.java
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@ -27,17 +27,20 @@ import android.database.Cursor;
import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.NoteColumns;
// 该广播接收器用于初始化闹钟，查询即将提醒的笔记并设置闹钟
public class AlarmInitReceiver extends BroadcastReceiver {
// 查询笔记数据库时使用的列投影
private static final String [] PROJECTION = new String [] {
NoteColumns.ID,
NoteColumns.ALERTED_DATE
};
// 列索引常量，用于从查询结果中提取数据
private static final int COLUMN_ID = 0;
private static final int COLUMN_ALERTED_DATE = 1;
// 接收广播时执行的方法，查询数据库并设置闹钟
@Override
public void onReceive(Context context, Intent intent) {
long currentDate = System.currentTimeMillis();

5
Notes-master/src/net/micode/notes/ui/AlarmReceiver.java
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@ -20,11 +20,16 @@ import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
// 一个继承自BroadcastReceiver的类，用于接收闹钟触发的广播
public class AlarmReceiver extends BroadcastReceiver {
// 当接收到广播时，该方法会被调用
@Override
public void onReceive(Context context, Intent intent) {
// 设置Intent的目标Activity为AlarmAlertActivity
intent.setClass(context, AlarmAlertActivity.class);
// 添加标志以允许启动新的Activity
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
// 启动AlarmAlertActivity
context.startActivity(intent);
}
}

358
Notes-master/src/net/micode/notes/ui/DateTimePicker.java
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@ -21,6 +21,263 @@ import java.util.Calendar;
import net.micode.notes.R;
import android.content.Context;
import android.text.format.DateFormat;
import android.view.View;
import android.widget.FrameLayout;
import android.widget.NumberPicker;
// DateTimePicker类继承自FrameLayout，用于显示日期和时间选择控件
public class DateTimePicker extends FrameLayout {
// 默认控件是否可用
private static final boolean DEFAULT_ENABLE_STATE = true;
// 半天中的小时数、全天中的小时数、一周中的天数等常量
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;
// 日期、小时、分钟、AM/PM选择器控件
private final NumberPicker mDateSpinner;
private final NumberPicker mHourSpinner;
private final NumberPicker mMinuteSpinner;
private final NumberPicker mAmPmSpinner;
// 当前日期时间
private Calendar mDate;
// 日期显示值数组
private String[] mDateDisplayValues = new String[DAYS_IN_ALL_WEEK];
// 当前是否为AM
private boolean mIsAm;
// 是否为24小时制视图
private boolean mIs24HourView;
// 控件是否可用
private boolean mIsEnabled = DEFAULT_ENABLE_STATE;
// 初始化标志
private boolean mInitialising;
// 日期时间改变监听器
private OnDateTimeChangedListener mOnDateTimeChangedListener;
// 日期选择器值改变监听器
private NumberPicker.OnValueChangeListener mOnDateChangedListener = new NumberPicker.OnValueChangeListener() {
@Override
public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
mDate.add(Calendar.DAY_OF_YEAR, newVal - oldVal);
updateDateControl();
onDateTimeChanged();
}
};
// 小时选择器值改变监听器
private NumberPicker.OnValueChangeListener mOnHourChangedListener = new NumberPicker.OnValueChangeListener() {
@Override
public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
boolean isDateChanged = false;
Calendar cal = Calendar.getInstance();
if (!mIs24HourView) {
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) {
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();
}
} else {
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) {
cal.setTimeInMillis(mDate.getTimeInMillis());
cal.add(Calendar.DAY_OF_YEAR, -1);
isDateChanged = true;
}
}
int newHour = mHourSpinner.getValue() % HOURS_IN_HALF_DAY + (mIsAm ? 0 : HOURS_IN_HALF_DAY);
mDate.set(Calendar.HOUR_OF_DAY, newHour);
onDateTimeChanged();
if (isDateChanged) {
setCurrentYear(cal.get(Calendar.YEAR));
setCurrentMonth(cal.get(Calendar.MONTH));
setCurrentDay(cal.get(Calendar.DAY_OF_MONTH));
}
}
};
// 分钟选择器值改变监听器
private NumberPicker.OnValueChangeListener mOnMinuteChangedListener = new NumberPicker.OnValueChangeListener() {
@Override
public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
int minValue = mMinuteSpinner.getMinValue();
int maxValue = mMinuteSpinner.getMaxValue();
int offset = 0;
if (oldVal == maxValue && newVal == minValue) {
offset += 1;
} else if (oldVal == minValue && newVal == maxValue) {
offset -= 1;
}
if (offset != 0) {
mDate.add(Calendar.HOUR_OF_DAY, offset);
mHourSpinner.setValue(getCurrentHour());
updateDateControl();
int newHour = getCurrentHourOfDay();
if (newHour >= HOURS_IN_HALF_DAY) {
mIsAm = false;
updateAmPmControl();
} else {
mIsAm = true;
updateAmPmControl();
}
}
mDate.set(Calendar.MINUTE, newVal);
onDateTimeChanged();
}
};
// AM/PM选择器值改变监听器
private NumberPicker.OnValueChangeListener mOnAmPmChangedListener = new NumberPicker.OnValueChangeListener() {
@Override
public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
mIsAm = !mIsAm;
if (mIsAm) {
mDate.add(Calendar.HOUR_OF_DAY, -HOURS_IN_HALF_DAY);
} else {
mDate.add(Calendar.HOUR_OF_DAY, HOURS_IN_HALF_DAY);
}
updateAmPmControl();
onDateTimeChanged();
}
};
// 日期时间改变监听器接口
public interface OnDateTimeChangedListener {
void onDateTimeChanged(DateTimePicker view, int year, int month,
int dayOfMonth, int hourOfDay, int minute);
}
// 构造函数，默认使用当前时间
public DateTimePicker(Context context) {
this(context, System.currentTimeMillis());
}
// 构造函数，使用指定时间
public DateTimePicker(Context context, long date) {
this(context, date, DateFormat.is24HourFormat(context));
}
// 构造函数，使用指定时间和是否为24小时制
public DateTimePicker(Context context, long date, boolean is24HourView) {
super(context);
mDate = Calendar.getInstance();
mInitialising = true;
mIsAm = getCurrentHourOfDay() >= HOURS_IN_HALF_DAY;
inflate(context, R.layout.datetime_picker, this);
mDateSpinner = (NumberPicker) findViewById(R.id.date);
mDateSpinner.setMinValue(DATE_SPINNER_MIN_VAL);
mDateSpinner.setMaxValue(DATE_SPINNER_MAX_VAL);
mDateSpinner.setOnValueChangedListener(mOnDateChangedListener);
mHourSpinner = (NumberPicker) findViewById(R.id.hour);
mHourSpinner.setOnValueChangedListener(mOnHourChangedListener);
mMinuteSpinner = (NumberPicker) findViewById(R.id.minute);
mMinuteSpinner.setMinValue(MINUT_SPINNER_MIN_VAL);
mMinuteSpinner.setMaxValue(MINUT_SPINNER_MAX_VAL);
mMinuteSpinner.setOnLongPressUpdateInterval(100);
mMinuteSpinner.setOnValueChangedListener(mOnMinuteChangedListener);
String[] stringsForAmPm = new DateFormatSymbols().getAmPmStrings();
mAmPmSpinner = (NumberPicker) findViewById(R.id.amPm);
mAmPmSpinner.setMinValue(AMPM_SPINNER_MIN_VAL);
mAmPmSpinner.setMaxValue(AMPM_SPINNER_MAX_VAL);
mAmPmSpinner.setDisplayedValues(stringsForAmPm);
mAmPmSpinner.setOnValueChangedListener(mOnAmPmChangedListener);
// 更新控件到初始状态
updateDateControl();
updateHourControl();
updateAmPmControl();
set24HourView(is24HourView);
// 设置到当前时间
setCurrentDate(date);
setEnabled(isEnabled());
// 设置内容描述
mInitialising = false;
}
// 设置控件是否可用
@Override
public void setEnabled(boolean enabled) {
if (mIsEnabled == enabled) {
return;
}
super.setEnabled(enabled);
mDateSpinner.setEnabled(enabled);
mMinuteSpinner.setEnabled(enabled);
mHourSpinner.setEnabled(enabled);
mAmPmSpinner.setEnabled(enabled);
mIsEnabled = enabled;
}
// 获取控件是否可用
@Override
public boolean isEnabled() {
return mIsEnabled;
}
```
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.micode.notes.ui;
import java.text.DateFormatSymbols;
import java.util.Calendar;
import net.micode.notes.R;
import android.content.Context;
import android.text.format.DateFormat;
@ -28,6 +285,9 @@ import android.view.View;
import android.widget.FrameLayout;
import android.widget.NumberPicker;
/**
* DateTimePicker 类用于显示和选择日期和时间。
*/
public class DateTimePicker extends FrameLayout {
private static final boolean DEFAULT_ENABLE_STATE = true;
@ -158,19 +418,31 @@ public class DateTimePicker extends FrameLayout {
}
};
/**
* OnDateTimeChangedListener 接口用于监听日期和时间的变化。
*/
public interface OnDateTimeChangedListener {
void onDateTimeChanged(DateTimePicker view, int year, int month,
int dayOfMonth, int hourOfDay, int minute);
}
/**
* 构造函数，使用当前时间初始化 DateTimePicker。
*/
public DateTimePicker(Context context) {
this(context, System.currentTimeMillis());
}
/**
* 构造函数，使用指定时间初始化 DateTimePicker。
*/
public DateTimePicker(Context context, long date) {
this(context, date, DateFormat.is24HourFormat(context));
}
/**
* 构造函数，使用指定时间和24小时制设置初始化 DateTimePicker。
*/
public DateTimePicker(Context context, long date, boolean is24HourView) {
super(context);
mDate = Calendar.getInstance();
@ -198,22 +470,25 @@ public class DateTimePicker extends FrameLayout {
mAmPmSpinner.setDisplayedValues(stringsForAmPm);
mAmPmSpinner.setOnValueChangedListener(mOnAmPmChangedListener);
// update controls to initial state
// 更新控件到初始状态
updateDateControl();
updateHourControl();
updateAmPmControl();
set24HourView(is24HourView);
// set to current time
// 设置为当前时间
setCurrentDate(date);
setEnabled(isEnabled());
// set the content descriptions
// 设置内容描述
mInitialising = false;
}
/**
* 设置控件是否启用。
*/
@Override
public void setEnabled(boolean enabled) {
if (mIsEnabled == enabled) {
@ -227,24 +502,23 @@ public class DateTimePicker extends FrameLayout {
mIsEnabled = enabled;
}
/**
* 获取控件是否启用。
*/
@Override
public boolean isEnabled() {
return mIsEnabled;
}
/**
* Get the current date in millis
*
* @return the current date in millis
* 获取当前日期的毫秒数。
*/
public long getCurrentDateInTimeMillis() {
return mDate.getTimeInMillis();
}
/**
* Set the current date
*
* @param date The current date in millis
* 设置当前日期。
*/
public void setCurrentDate(long date) {
Calendar cal = Calendar.getInstance();
@ -254,13 +528,7 @@ public class DateTimePicker extends FrameLayout {
}
/**
* Set the current date
*
* @param year The current year
* @param month The current month
* @param dayOfMonth The current dayOfMonth
* @param hourOfDay The current hourOfDay
* @param minute The current minute
* 设置当前日期。
*/
public void setCurrentDate(int year, int month,
int dayOfMonth, int hourOfDay, int minute) {
@ -272,18 +540,14 @@ public class DateTimePicker extends FrameLayout {
}
/**
* Get current year
*
* @return The current year
* 获取当前年份。
*/
public int getCurrentYear() {
return mDate.get(Calendar.YEAR);
}
/**
* Set current year
*
* @param year The current year
* 设置当前年份。
*/
public void setCurrentYear(int year) {
if (!mInitialising && year == getCurrentYear()) {
@ -295,18 +559,14 @@ public class DateTimePicker extends FrameLayout {
}
/**
* Get current month in the year
*
* @return The current month in the year
* 获取当前月份。
*/
public int getCurrentMonth() {
return mDate.get(Calendar.MONTH);
}
/**
* Set current month in the year
*
* @param month The month in the year
* 设置当前月份。
*/
public void setCurrentMonth(int month) {
if (!mInitialising && month == getCurrentMonth()) {
@ -318,18 +578,14 @@ public class DateTimePicker extends FrameLayout {
}
/**
* Get current day of the month
*
* @return The day of the month
* 获取当前日期。
*/
public int getCurrentDay() {
return mDate.get(Calendar.DAY_OF_MONTH);
}
/**
* Set current day of the month
*
* @param dayOfMonth The day of the month
* 设置当前日期。
*/
public void setCurrentDay(int dayOfMonth) {
if (!mInitialising && dayOfMonth == getCurrentDay()) {
@ -341,8 +597,7 @@ public class DateTimePicker extends FrameLayout {
}
/**
* Get current hour in 24 hour mode, in the range (0~23)
* @return The current hour in 24 hour mode
* 获取当前小时（24小时制）。
*/
public int getCurrentHourOfDay() {
return mDate.get(Calendar.HOUR_OF_DAY);
@ -362,9 +617,7 @@ public class DateTimePicker extends FrameLayout {
}
/**
* Set current hour in 24 hour mode, in the range (0~23)
*
* @param hourOfDay
* 设置当前小时（24小时制）。
*/
public void setCurrentHour(int hourOfDay) {
if (!mInitialising && hourOfDay == getCurrentHourOfDay()) {
@ -390,16 +643,14 @@ public class DateTimePicker extends FrameLayout {
}
/**
* Get currentMinute
*
* @return The Current Minute
* 获取当前分钟。
*/
public int getCurrentMinute() {
return mDate.get(Calendar.MINUTE);
}
/**
* Set current minute
* 设置当前分钟。
*/
public void setCurrentMinute(int minute) {
if (!mInitialising && minute == getCurrentMinute()) {
@ -411,16 +662,14 @@ public class DateTimePicker extends FrameLayout {
}
/**
* @return true if this is in 24 hour view else false.
* 判断是否为24小时制。
*/
public boolean is24HourView () {
return mIs24HourView;
}
/**
* Set whether in 24 hour or AM/PM mode.
*
* @param is24HourView True for 24 hour mode. False for AM/PM mode.
* 设置是否为24小时制。
*/
public void set24HourView(boolean is24HourView) {
if (mIs24HourView == is24HourView) {
@ -434,6 +683,9 @@ public class DateTimePicker extends FrameLayout {
updateAmPmControl();
}
/**
* 更新日期控件的显示。
*/
private void updateDateControl() {
Calendar cal = Calendar.getInstance();
cal.setTimeInMillis(mDate.getTimeInMillis());
@ -448,6 +700,9 @@ public class DateTimePicker extends FrameLayout {
mDateSpinner.invalidate();
}
/**
* 更新AM/PM控件的显示。
*/
private void updateAmPmControl() {
if (mIs24HourView) {
mAmPmSpinner.setVisibility(View.GONE);
@ -458,6 +713,9 @@ public class DateTimePicker extends FrameLayout {
}
}
/**
* 更新小时控件的显示。
*/
private void updateHourControl() {
if (mIs24HourView) {
mHourSpinner.setMinValue(HOUR_SPINNER_MIN_VAL_24_HOUR_VIEW);
@ -469,13 +727,15 @@ public class DateTimePicker extends FrameLayout {
}
/**
* Set the callback that indicates the 'Set' button has been pressed.
* @param callback the callback, if null will do nothing
* 设置日期时间变化的监听器。
*/
public void setOnDateTimeChangedListener(OnDateTimeChangedListener callback) {
mOnDateTimeChangedListener = callback;
}
/**
* 当日期或时间发生变化时调用此方法。
*/
private void onDateTimeChanged() {
if (mOnDateTimeChangedListener != null) {
mOnDateTimeChangedListener.onDateTimeChanged(this, getCurrentYear(),

2
代码注释统计.txt
Unescape View File

@ -1,2 +1,4 @@
ui:
AlarmAlertActivity:48
AlarmInitReceiver:4
AlarmReceiver:5
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