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这是我的一些关于ui理解的注释

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lrx_branch
LiuRuiXuan 2 years ago
parent eb8a75d94b
commit 82b971b01e
6 changed files with 153 additions and 141 deletions
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23
src/Xiaominotes/app/src/main/java/net/micode/notes/ui/AlarmInitReceiver.java
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@ -26,7 +26,10 @@ import android.database.Cursor;
import net.micode.notes.data.Notes; import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.NoteColumns; import net.micode.notes.data.Notes.NoteColumns;
/*
Author:刘瑞轩
Data:2023-4-12
*/
public class AlarmInitReceiver extends BroadcastReceiver { public class AlarmInitReceiver extends BroadcastReceiver {
@ -40,26 +43,28 @@ public class AlarmInitReceiver extends BroadcastReceiver {
@Override @Override
public void onReceive(Context context, Intent intent) { public void onReceive(Context context, Intent intent) {
long currentDate = System.currentTimeMillis(); long currentDate = System.currentTimeMillis();//找到目前的时间段
Cursor c = context.getContentResolver().query(Notes.CONTENT_NOTE_URI, Cursor c = context.getContentResolver().query(Notes.CONTENT_NOTE_URI,
PROJECTION, PROJECTION,
NoteColumns.ALERTED_DATE + ">? AND " + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE, NoteColumns.ALERTED_DATE + ">? AND " + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE,
new String[] { String.valueOf(currentDate) }, new String[] { String.valueOf(currentDate) },
null); null);//筛选出来那些提醒时间大于当前时间并且类型是便签类型的
if (c != null) { if (c != null) {
if (c.moveToFirst()) { if (c.moveToFirst()) {//如果下一个数据存在的话
do { do {
long alertDate = c.getLong(COLUMN_ALERTED_DATE); long alertDate = c.getLong(COLUMN_ALERTED_DATE);//获取当前数据的日期
Intent sender = new Intent(context, AlarmReceiver.class); Intent sender = new Intent(context, AlarmReceiver.class);//获取一个新的页面
sender.setData(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, c.getLong(COLUMN_ID))); sender.setData(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, c.getLong(COLUMN_ID)));
PendingIntent pendingIntent = PendingIntent.getBroadcast(context, 0, sender, 0); PendingIntent pendingIntent = PendingIntent.getBroadcast(context, 0, sender, 0);
AlarmManager alermManager = (AlarmManager) context AlarmManager alermManager = (AlarmManager) context
.getSystemService(Context.ALARM_SERVICE); .getSystemService(Context.ALARM_SERVICE);
alermManager.set(AlarmManager.RTC_WAKEUP, alertDate, pendingIntent); alermManager.set(AlarmManager.RTC_WAKEUP, alertDate, pendingIntent);//采用系统实时时钟（RTC）闹钟
} while (c.moveToNext()); //当闹钟到达alertDate时唤醒设备，保证不会在睡眠模式错过闹钟，第二个参数是闹钟的触发时间，第三个就是指定谁到时候就会
//被触发
} while (c.moveToNext());//只要下一个数据存在的话
} }
c.close(); c.close();//关闭流文件
} }
} }
} }

11
src/Xiaominotes/app/src/main/java/net/micode/notes/ui/AlarmReceiver.java
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@ -19,12 +19,15 @@ package net.micode.notes.ui;
import android.content.BroadcastReceiver; import android.content.BroadcastReceiver;
import android.content.Context; import android.content.Context;
import android.content.Intent; import android.content.Intent;
/*
Author:刘瑞轩
Data:2023/4/12
*/
public class AlarmReceiver extends BroadcastReceiver { public class AlarmReceiver extends BroadcastReceiver {
@Override @Override
public void onReceive(Context context, Intent intent) { public void onReceive(Context context, Intent intent) {
intent.setClass(context, AlarmAlertActivity.class); intent.setClass(context, AlarmAlertActivity.class);//由当前页面跳转到对应界面
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);//该标记表示在新任务栈中启动 Activity，当它不在前台的时候，保证其可以在后台显示
context.startActivity(intent); context.startActivity(intent);//启动对应的活动
} }
} }

220
src/Xiaominotes/app/src/main/java/net/micode/notes/ui/DateTimePicker.java
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@ -27,7 +27,10 @@ import android.text.format.DateFormat;
import android.view.View; import android.view.View;
import android.widget.FrameLayout; import android.widget.FrameLayout;
import android.widget.NumberPicker; import android.widget.NumberPicker;
/*
Author:刘瑞轩
Data:2023/4/12
*/
public class DateTimePicker extends FrameLayout { public class DateTimePicker extends FrameLayout {
private static final boolean DEFAULT_ENABLE_STATE = true; private static final boolean DEFAULT_ENABLE_STATE = true;
@ -66,39 +69,40 @@ public class DateTimePicker extends FrameLayout {
private NumberPicker.OnValueChangeListener mOnDateChangedListener = new NumberPicker.OnValueChangeListener() { private NumberPicker.OnValueChangeListener mOnDateChangedListener = new NumberPicker.OnValueChangeListener() {
@Override @Override
public void onValueChange(NumberPicker picker, int oldVal, int newVal) { public void onValueChange(NumberPicker picker, int oldVal, int newVal) {//更改日期
mDate.add(Calendar.DAY_OF_YEAR, newVal - oldVal); mDate.add(Calendar.DAY_OF_YEAR, newVal - oldVal);
updateDateControl(); updateDateControl();
onDateTimeChanged(); onDateTimeChanged();
} }
}; };//当用户更改值之后改变便签的修改日期
private NumberPicker.OnValueChangeListener mOnHourChangedListener = new NumberPicker.OnValueChangeListener() { private NumberPicker.OnValueChangeListener mOnHourChangedListener = new NumberPicker.OnValueChangeListener() {
@Override @Override
public void onValueChange(NumberPicker picker, int oldVal, int newVal) { public void onValueChange(NumberPicker picker, int oldVal, int newVal) {//各自的参数代表被改变值得NumberPicker对象，旧值，新值
boolean isDateChanged = false; boolean isDateChanged = false;//用户是否改变值
Calendar cal = Calendar.getInstance(); Calendar cal = Calendar.getInstance();//获取当前的时间
if (!mIs24HourView) { if (!mIs24HourView) {//不是用的24小时制度
if (!mIsAm && oldVal == HOURS_IN_HALF_DAY - 1 && newVal == HOURS_IN_HALF_DAY) { if (!mIsAm && oldVal == HOURS_IN_HALF_DAY - 1 && newVal == HOURS_IN_HALF_DAY) {//是下午旧值是11，新值是12，代表到了下一天
cal.setTimeInMillis(mDate.getTimeInMillis()); cal.setTimeInMillis(mDate.getTimeInMillis());//将修改时间修改为当前的时间
cal.add(Calendar.DAY_OF_YEAR, 1); cal.add(Calendar.DAY_OF_YEAR, 1);//过了一天，将日期加1
isDateChanged = true; isDateChanged = true;
} else if (mIsAm && oldVal == HOURS_IN_HALF_DAY && newVal == HOURS_IN_HALF_DAY - 1) { } else if (mIsAm && oldVal == HOURS_IN_HALF_DAY && newVal == HOURS_IN_HALF_DAY - 1) {//如果当前是上午，并且
cal.setTimeInMillis(mDate.getTimeInMillis()); //旧值是12，新值是11，那么就代表回到了上一天
cal.add(Calendar.DAY_OF_YEAR, -1); cal.setTimeInMillis(mDate.getTimeInMillis());//获取当前的时间
cal.add(Calendar.DAY_OF_YEAR, -1);//日期减一
isDateChanged = true; isDateChanged = true;
} }
if (oldVal == HOURS_IN_HALF_DAY - 1 && newVal == HOURS_IN_HALF_DAY || if (oldVal == HOURS_IN_HALF_DAY - 1 && newVal == HOURS_IN_HALF_DAY ||
oldVal == HOURS_IN_HALF_DAY && newVal == HOURS_IN_HALF_DAY - 1) { oldVal == HOURS_IN_HALF_DAY && newVal == HOURS_IN_HALF_DAY - 1) {//只要之前是11，现在是12，或者是之前是12，现在是11，AM和PM都会发生改变，取反
mIsAm = !mIsAm; mIsAm = !mIsAm;
updateAmPmControl(); updateAmPmControl();//更新限制
} }
} else { } else {
if (oldVal == HOURS_IN_ALL_DAY - 1 && newVal == 0) { if (oldVal == HOURS_IN_ALL_DAY - 1 && newVal == 0) {//如果当前时间比之前时间早，代表已经过了一天了
cal.setTimeInMillis(mDate.getTimeInMillis()); cal.setTimeInMillis(mDate.getTimeInMillis());
cal.add(Calendar.DAY_OF_YEAR, 1); cal.add(Calendar.DAY_OF_YEAR, 1);
isDateChanged = true; isDateChanged = true;
} else if (oldVal == 0 && newVal == HOURS_IN_ALL_DAY - 1) { } else if (oldVal == 0 && newVal == HOURS_IN_ALL_DAY - 1) {//如果当前时间比之前时间晚代表是同一天
cal.setTimeInMillis(mDate.getTimeInMillis()); cal.setTimeInMillis(mDate.getTimeInMillis());
cal.add(Calendar.DAY_OF_YEAR, -1); cal.add(Calendar.DAY_OF_YEAR, -1);
isDateChanged = true; isDateChanged = true;
@ -117,41 +121,41 @@ public class DateTimePicker extends FrameLayout {
private NumberPicker.OnValueChangeListener mOnMinuteChangedListener = new NumberPicker.OnValueChangeListener() { private NumberPicker.OnValueChangeListener mOnMinuteChangedListener = new NumberPicker.OnValueChangeListener() {
@Override @Override
public void onValueChange(NumberPicker picker, int oldVal, int newVal) { public void onValueChange(NumberPicker picker, int oldVal, int newVal) {//通过调整分钟来调整时间
int minValue = mMinuteSpinner.getMinValue(); int minValue = mMinuteSpinner.getMinValue();//获取最小值
int maxValue = mMinuteSpinner.getMaxValue(); int maxValue = mMinuteSpinner.getMaxValue();//获取最大值
int offset = 0; int offset = 0;//判断是否跨越边界
if (oldVal == maxValue && newVal == minValue) { if (oldVal == maxValue && newVal == minValue) {//如果新的是最小的，旧的值是最大的那么小时加1
offset += 1; offset += 1;
} else if (oldVal == minValue && newVal == maxValue) { } else if (oldVal == minValue && newVal == maxValue) {//如果新的是最大的值，旧的是最小值，那么代表我们是往上调整的，那么小时减小
offset -= 1; offset -= 1;
} }
if (offset != 0) { if (offset != 0) {//如果跨越边界了
mDate.add(Calendar.HOUR_OF_DAY, offset); mDate.add(Calendar.HOUR_OF_DAY, offset);//日期进行相应的改变
mHourSpinner.setValue(getCurrentHour()); mHourSpinner.setValue(getCurrentHour());//获取当前的时间
updateDateControl(); updateDateControl();//更新限制
int newHour = getCurrentHourOfDay(); int newHour = getCurrentHourOfDay();//更新小时
if (newHour >= HOURS_IN_HALF_DAY) { if (newHour >= HOURS_IN_HALF_DAY) {//判断是上午还是下午
mIsAm = false; mIsAm = false;//不是上午
updateAmPmControl(); updateAmPmControl();//更新限制
} else { } else {
mIsAm = true; mIsAm = true;//是上午
updateAmPmControl(); updateAmPmControl();
} }
} }
mDate.set(Calendar.MINUTE, newVal); mDate.set(Calendar.MINUTE, newVal);//设置成新的值
onDateTimeChanged(); onDateTimeChanged();//更改小时
} }
}; };
private NumberPicker.OnValueChangeListener mOnAmPmChangedListener = new NumberPicker.OnValueChangeListener() { private NumberPicker.OnValueChangeListener mOnAmPmChangedListener = new NumberPicker.OnValueChangeListener() {//更新上午还是下午
@Override @Override
public void onValueChange(NumberPicker picker, int oldVal, int newVal) { public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
mIsAm = !mIsAm; mIsAm = !mIsAm;//上午变成下午，下午变成上午
if (mIsAm) { if (mIsAm) {
mDate.add(Calendar.HOUR_OF_DAY, -HOURS_IN_HALF_DAY); mDate.add(Calendar.HOUR_OF_DAY, -HOURS_IN_HALF_DAY);//如果是下午变成上午，那么需要减去12小时
} else { } else {
mDate.add(Calendar.HOUR_OF_DAY, HOURS_IN_HALF_DAY); mDate.add(Calendar.HOUR_OF_DAY, HOURS_IN_HALF_DAY);//如果是上午变成下午，那么需要加上12小时
} }
updateAmPmControl(); updateAmPmControl();
onDateTimeChanged(); onDateTimeChanged();
@ -176,30 +180,30 @@ public class DateTimePicker extends FrameLayout {
mDate = Calendar.getInstance(); mDate = Calendar.getInstance();
mInitialising = true; mInitialising = true;
mIsAm = getCurrentHourOfDay() >= HOURS_IN_HALF_DAY; mIsAm = getCurrentHourOfDay() >= HOURS_IN_HALF_DAY;
inflate(context, R.layout.datetime_picker, this); inflate(context, R.layout.datetime_picker, this);//将小时、分钟和日期、在上午还是下午填充到这个文件中
mDateSpinner = (NumberPicker) findViewById(R.id.date); mDateSpinner = (NumberPicker) findViewById(R.id.date);
mDateSpinner.setMinValue(DATE_SPINNER_MIN_VAL); mDateSpinner.setMinValue(DATE_SPINNER_MIN_VAL);//选择当前月份的最小的那一天
mDateSpinner.setMaxValue(DATE_SPINNER_MAX_VAL); mDateSpinner.setMaxValue(DATE_SPINNER_MAX_VAL);//选择当前月份最大的那一天
mDateSpinner.setOnValueChangedListener(mOnDateChangedListener); mDateSpinner.setOnValueChangedListener(mOnDateChangedListener);//设置日期监听器
mHourSpinner = (NumberPicker) findViewById(R.id.hour); mHourSpinner = (NumberPicker) findViewById(R.id.hour);//找到小时
mHourSpinner.setOnValueChangedListener(mOnHourChangedListener); mHourSpinner.setOnValueChangedListener(mOnHourChangedListener);//设置小时监听器
mMinuteSpinner = (NumberPicker) findViewById(R.id.minute); mMinuteSpinner = (NumberPicker) findViewById(R.id.minute);
mMinuteSpinner.setMinValue(MINUT_SPINNER_MIN_VAL); mMinuteSpinner.setMinValue(MINUT_SPINNER_MIN_VAL);//设置分钟最小值
mMinuteSpinner.setMaxValue(MINUT_SPINNER_MAX_VAL); mMinuteSpinner.setMaxValue(MINUT_SPINNER_MAX_VAL);//设置分钟最大值
mMinuteSpinner.setOnLongPressUpdateInterval(100); mMinuteSpinner.setOnLongPressUpdateInterval(100);//设置按下更新的间隔是100ms
mMinuteSpinner.setOnValueChangedListener(mOnMinuteChangedListener); mMinuteSpinner.setOnValueChangedListener(mOnMinuteChangedListener);//设置分钟监听器
String[] stringsForAmPm = new DateFormatSymbols().getAmPmStrings(); String[] stringsForAmPm = new DateFormatSymbols().getAmPmStrings();//获取当前设备上的AM/PM字符串数组，第一个元素为AM，第二个元素为PM
mAmPmSpinner = (NumberPicker) findViewById(R.id.amPm); mAmPmSpinner = (NumberPicker) findViewById(R.id.amPm);
mAmPmSpinner.setMinValue(AMPM_SPINNER_MIN_VAL); mAmPmSpinner.setMinValue(AMPM_SPINNER_MIN_VAL);
mAmPmSpinner.setMaxValue(AMPM_SPINNER_MAX_VAL); mAmPmSpinner.setMaxValue(AMPM_SPINNER_MAX_VAL);
mAmPmSpinner.setDisplayedValues(stringsForAmPm); mAmPmSpinner.setDisplayedValues(stringsForAmPm);
mAmPmSpinner.setOnValueChangedListener(mOnAmPmChangedListener); mAmPmSpinner.setOnValueChangedListener(mOnAmPmChangedListener);//设置上午下午监听器
// update controls to initial state // update controls to initial state
updateDateControl(); updateDateControl();//更新限制
updateHourControl(); updateHourControl();
updateAmPmControl(); updateAmPmControl();
@ -215,22 +219,22 @@ public class DateTimePicker extends FrameLayout {
} }
@Override @Override
public void setEnabled(boolean enabled) { public void setEnabled(boolean enabled) {//用来设置组件显示出来
if (mIsEnabled == enabled) { if (mIsEnabled == enabled) {//如果相同则不用修改
return; return;
} }
super.setEnabled(enabled); super.setEnabled(enabled);//设置可行
mDateSpinner.setEnabled(enabled); mDateSpinner.setEnabled(enabled);//设置日期监听器可行
mMinuteSpinner.setEnabled(enabled); mMinuteSpinner.setEnabled(enabled);//设置分钟监听器可行
mHourSpinner.setEnabled(enabled); mHourSpinner.setEnabled(enabled);//设置小时监听器可行
mAmPmSpinner.setEnabled(enabled); mAmPmSpinner.setEnabled(enabled);//设置上午下午监听器可行
mIsEnabled = enabled; mIsEnabled = enabled;//设置为已经更新为可用
} }
@Override @Override
public boolean isEnabled() { public boolean isEnabled() {
return mIsEnabled; return mIsEnabled;
} }//返回是否可用
/** /**
* Get the current date in millis * Get the current date in millis
@ -239,7 +243,7 @@ public class DateTimePicker extends FrameLayout {
*/ */
public long getCurrentDateInTimeMillis() { public long getCurrentDateInTimeMillis() {
return mDate.getTimeInMillis(); return mDate.getTimeInMillis();
} }//获取当前的日期
/** /**
* Set the current date * Set the current date
@ -269,7 +273,7 @@ public class DateTimePicker extends FrameLayout {
setCurrentDay(dayOfMonth); setCurrentDay(dayOfMonth);
setCurrentHour(hourOfDay); setCurrentHour(hourOfDay);
setCurrentMinute(minute); setCurrentMinute(minute);
} }//设置时间
/** /**
* Get current year * Get current year
@ -278,7 +282,7 @@ public class DateTimePicker extends FrameLayout {
*/ */
public int getCurrentYear() { public int getCurrentYear() {
return mDate.get(Calendar.YEAR); return mDate.get(Calendar.YEAR);
} }//返回当前年
/** /**
* Set current year * Set current year
@ -286,10 +290,10 @@ public class DateTimePicker extends FrameLayout {
* @param year The current year * @param year The current year
*/ */
public void setCurrentYear(int year) { public void setCurrentYear(int year) {
if (!mInitialising && year == getCurrentYear()) { if (!mInitialising && year == getCurrentYear()) {//如果已经初始化并且年份和当前的相同
return; return;
} }
mDate.set(Calendar.YEAR, year); mDate.set(Calendar.YEAR, year);//更新
updateDateControl(); updateDateControl();
onDateTimeChanged(); onDateTimeChanged();
} }
@ -301,7 +305,7 @@ public class DateTimePicker extends FrameLayout {
*/ */
public int getCurrentMonth() { public int getCurrentMonth() {
return mDate.get(Calendar.MONTH); return mDate.get(Calendar.MONTH);
} }//获得月份
/** /**
* Set current month in the year * Set current month in the year
@ -312,7 +316,7 @@ public class DateTimePicker extends FrameLayout {
if (!mInitialising && month == getCurrentMonth()) { if (!mInitialising && month == getCurrentMonth()) {
return; return;
} }
mDate.set(Calendar.MONTH, month); mDate.set(Calendar.MONTH, month);//更新月份
updateDateControl(); updateDateControl();
onDateTimeChanged(); onDateTimeChanged();
} }
@ -324,14 +328,14 @@ public class DateTimePicker extends FrameLayout {
*/ */
public int getCurrentDay() { public int getCurrentDay() {
return mDate.get(Calendar.DAY_OF_MONTH); return mDate.get(Calendar.DAY_OF_MONTH);
} }//获取月份
/** /**
* Set current day of the month * Set current day of the month
* *
* @param dayOfMonth The day of the month * @param dayOfMonth The day of the month
*/ */
public void setCurrentDay(int dayOfMonth) { public void setCurrentDay(int dayOfMonth) {//更新天
if (!mInitialising && dayOfMonth == getCurrentDay()) { if (!mInitialising && dayOfMonth == getCurrentDay()) {
return; return;
} }
@ -346,17 +350,17 @@ public class DateTimePicker extends FrameLayout {
*/ */
public int getCurrentHourOfDay() { public int getCurrentHourOfDay() {
return mDate.get(Calendar.HOUR_OF_DAY); return mDate.get(Calendar.HOUR_OF_DAY);
} }//获取当前的小时
private int getCurrentHour() { private int getCurrentHour() {
if (mIs24HourView){ if (mIs24HourView){//如果是24小时
return getCurrentHourOfDay(); return getCurrentHourOfDay();
} else { } else {
int hour = getCurrentHourOfDay(); int hour = getCurrentHourOfDay();//获取小时
if (hour > HOURS_IN_HALF_DAY) { if (hour > HOURS_IN_HALF_DAY) {//如果大于12应该减去12
return hour - HOURS_IN_HALF_DAY; return hour - HOURS_IN_HALF_DAY;
} else { } else {
return hour == 0 ? HOURS_IN_HALF_DAY : hour; return hour == 0 ? HOURS_IN_HALF_DAY : hour;//否则就和当前的相同
} }
} }
} }
@ -367,25 +371,25 @@ public class DateTimePicker extends FrameLayout {
* @param hourOfDay * @param hourOfDay
*/ */
public void setCurrentHour(int hourOfDay) { public void setCurrentHour(int hourOfDay) {
if (!mInitialising && hourOfDay == getCurrentHourOfDay()) { if (!mInitialising && hourOfDay == getCurrentHourOfDay()) {//如果已经初始化并且和现在的小时一样就不用管
return; return;
} }
mDate.set(Calendar.HOUR_OF_DAY, hourOfDay); mDate.set(Calendar.HOUR_OF_DAY, hourOfDay);//设置小时
if (!mIs24HourView) { if (!mIs24HourView) {//如果不是24小时制度
if (hourOfDay >= HOURS_IN_HALF_DAY) { if (hourOfDay >= HOURS_IN_HALF_DAY) {
mIsAm = false; mIsAm = false;//代表是下午
if (hourOfDay > HOURS_IN_HALF_DAY) { if (hourOfDay > HOURS_IN_HALF_DAY) {//如果大于12
hourOfDay -= HOURS_IN_HALF_DAY; hourOfDay -= HOURS_IN_HALF_DAY;
} }
} else { } else {
mIsAm = true; mIsAm = true;//时上午
if (hourOfDay == 0) { if (hourOfDay == 0) {
hourOfDay = HOURS_IN_HALF_DAY; hourOfDay = HOURS_IN_HALF_DAY;//代表到达了最后
} }
} }
updateAmPmControl(); updateAmPmControl();
} }
mHourSpinner.setValue(hourOfDay); mHourSpinner.setValue(hourOfDay);//更新时间
onDateTimeChanged(); onDateTimeChanged();
} }
@ -405,8 +409,8 @@ public class DateTimePicker extends FrameLayout {
if (!mInitialising && minute == getCurrentMinute()) { if (!mInitialising && minute == getCurrentMinute()) {
return; return;
} }
mMinuteSpinner.setValue(minute); mMinuteSpinner.setValue(minute);//设置时间
mDate.set(Calendar.MINUTE, minute); mDate.set(Calendar.MINUTE, minute);//设置分钟
onDateTimeChanged(); onDateTimeChanged();
} }
@ -415,7 +419,7 @@ public class DateTimePicker extends FrameLayout {
*/ */
public boolean is24HourView () { public boolean is24HourView () {
return mIs24HourView; return mIs24HourView;
} }//返回是否是24小时制
/** /**
* Set whether in 24 hour or AM/PM mode. * Set whether in 24 hour or AM/PM mode.
@ -423,48 +427,48 @@ public class DateTimePicker extends FrameLayout {
* @param is24HourView True for 24 hour mode. False for AM/PM mode. * @param is24HourView True for 24 hour mode. False for AM/PM mode.
*/ */
public void set24HourView(boolean is24HourView) { public void set24HourView(boolean is24HourView) {
if (mIs24HourView == is24HourView) { if (mIs24HourView == is24HourView) {//如果是24小时制，就无需更改
return; return;
} }
mIs24HourView = is24HourView; mIs24HourView = is24HourView;//更改为24小时制度
mAmPmSpinner.setVisibility(is24HourView ? View.GONE : View.VISIBLE); mAmPmSpinner.setVisibility(is24HourView ? View.GONE : View.VISIBLE);//讲对应的界面显示出来
int hour = getCurrentHourOfDay(); int hour = getCurrentHourOfDay();//获取当前的小时
updateHourControl(); updateHourControl();
setCurrentHour(hour); setCurrentHour(hour);//更新时间
updateAmPmControl(); updateAmPmControl();
} }
private void updateDateControl() { private void updateDateControl() {
Calendar cal = Calendar.getInstance(); Calendar cal = Calendar.getInstance();
cal.setTimeInMillis(mDate.getTimeInMillis()); cal.setTimeInMillis(mDate.getTimeInMillis());
cal.add(Calendar.DAY_OF_YEAR, -DAYS_IN_ALL_WEEK / 2 - 1); cal.add(Calendar.DAY_OF_YEAR, -DAYS_IN_ALL_WEEK / 2 - 1);//按照一周来显示，以当前这一天为中心进行扩展
mDateSpinner.setDisplayedValues(null); mDateSpinner.setDisplayedValues(null);//清空mDateSpinner显示的数据
for (int i = 0; i < DAYS_IN_ALL_WEEK; ++i) { for (int i = 0; i < DAYS_IN_ALL_WEEK; ++i) {
cal.add(Calendar.DAY_OF_YEAR, 1); cal.add(Calendar.DAY_OF_YEAR, 1);//将当前的cal的最后一个数据加1
mDateDisplayValues[i] = (String) DateFormat.format("MM.dd EEEE", cal); mDateDisplayValues[i] = (String) DateFormat.format("MM.dd EEEE", cal);//格式化日期
} }
mDateSpinner.setDisplayedValues(mDateDisplayValues); mDateSpinner.setDisplayedValues(mDateDisplayValues);//把加入的数据显示出来
mDateSpinner.setValue(DAYS_IN_ALL_WEEK / 2); mDateSpinner.setValue(DAYS_IN_ALL_WEEK / 2);//将选择器的初始位置设置为中心位置
mDateSpinner.invalidate(); mDateSpinner.invalidate();//使选择器无效，从而更新显示值
} }
private void updateAmPmControl() { private void updateAmPmControl() {
if (mIs24HourView) { if (mIs24HourView) {//如果是24小时制
mAmPmSpinner.setVisibility(View.GONE); mAmPmSpinner.setVisibility(View.GONE);//上午下午不显示
} else { } else {
int index = mIsAm ? Calendar.AM : Calendar.PM; int index = mIsAm ? Calendar.AM : Calendar.PM;//显示是上午还是下午
mAmPmSpinner.setValue(index); mAmPmSpinner.setValue(index);//显示对应的内容
mAmPmSpinner.setVisibility(View.VISIBLE); mAmPmSpinner.setVisibility(View.VISIBLE);//可见
} }
} }
private void updateHourControl() { private void updateHourControl() {
if (mIs24HourView) { if (mIs24HourView) {//如果是24小时制
mHourSpinner.setMinValue(HOUR_SPINNER_MIN_VAL_24_HOUR_VIEW); mHourSpinner.setMinValue(HOUR_SPINNER_MIN_VAL_24_HOUR_VIEW);//显示24小时最小值
mHourSpinner.setMaxValue(HOUR_SPINNER_MAX_VAL_24_HOUR_VIEW); mHourSpinner.setMaxValue(HOUR_SPINNER_MAX_VAL_24_HOUR_VIEW);//显示24小时最大值
} else { } else {
mHourSpinner.setMinValue(HOUR_SPINNER_MIN_VAL_12_HOUR_VIEW); mHourSpinner.setMinValue(HOUR_SPINNER_MIN_VAL_12_HOUR_VIEW);//显示12小时最小值
mHourSpinner.setMaxValue(HOUR_SPINNER_MAX_VAL_12_HOUR_VIEW); mHourSpinner.setMaxValue(HOUR_SPINNER_MAX_VAL_12_HOUR_VIEW);//显示12小时最大值
} }
} }
@ -476,7 +480,7 @@ public class DateTimePicker extends FrameLayout {
mOnDateTimeChangedListener = callback; mOnDateTimeChangedListener = callback;
} }
private void onDateTimeChanged() { private void onDateTimeChanged() {//更改便签时间
if (mOnDateTimeChangedListener != null) { if (mOnDateTimeChangedListener != null) {
mOnDateTimeChangedListener.onDateTimeChanged(this, getCurrentYear(), mOnDateTimeChangedListener.onDateTimeChanged(this, getCurrentYear(),
getCurrentMonth(), getCurrentDay(), getCurrentHourOfDay(), getCurrentMinute()); getCurrentMonth(), getCurrentDay(), getCurrentHourOfDay(), getCurrentMinute());

28
src/Xiaominotes/app/src/main/java/net/micode/notes/ui/DateTimePickerDialog.java
Unescape View File

@ -43,7 +43,7 @@ public class DateTimePickerDialog extends AlertDialog implements OnClickListener
public DateTimePickerDialog(Context context, long date) { public DateTimePickerDialog(Context context, long date) {
super(context); super(context);
mDateTimePicker = new DateTimePicker(context); mDateTimePicker = new DateTimePicker(context);
setView(mDateTimePicker); setView(mDateTimePicker);//将事件显示出来
mDateTimePicker.setOnDateTimeChangedListener(new OnDateTimeChangedListener() { mDateTimePicker.setOnDateTimeChangedListener(new OnDateTimeChangedListener() {
public void onDateTimeChanged(DateTimePicker view, int year, int month, public void onDateTimeChanged(DateTimePicker view, int year, int month,
int dayOfMonth, int hourOfDay, int minute) { int dayOfMonth, int hourOfDay, int minute) {
@ -52,21 +52,21 @@ public class DateTimePickerDialog extends AlertDialog implements OnClickListener
mDate.set(Calendar.DAY_OF_MONTH, dayOfMonth); mDate.set(Calendar.DAY_OF_MONTH, dayOfMonth);
mDate.set(Calendar.HOUR_OF_DAY, hourOfDay); mDate.set(Calendar.HOUR_OF_DAY, hourOfDay);
mDate.set(Calendar.MINUTE, minute); mDate.set(Calendar.MINUTE, minute);
updateTitle(mDate.getTimeInMillis()); updateTitle(mDate.getTimeInMillis());//更新题目
} }//根据对话框参数定位到对应的日期
}); });
mDate.setTimeInMillis(date); mDate.setTimeInMillis(date);//将其转化为时间戳
mDate.set(Calendar.SECOND, 0); mDate.set(Calendar.SECOND, 0);//设置s为0
mDateTimePicker.setCurrentDate(mDate.getTimeInMillis()); mDateTimePicker.setCurrentDate(mDate.getTimeInMillis());//将其设置为时间
setButton(context.getString(R.string.datetime_dialog_ok), this); setButton(context.getString(R.string.datetime_dialog_ok), this);//确认
setButton2(context.getString(R.string.datetime_dialog_cancel), (OnClickListener)null); setButton2(context.getString(R.string.datetime_dialog_cancel), (OnClickListener)null);//显示提示是去校
set24HourView(DateFormat.is24HourFormat(this.getContext())); set24HourView(DateFormat.is24HourFormat(this.getContext()));//根据24小时制或者是12小时进行设置
updateTitle(mDate.getTimeInMillis()); updateTitle(mDate.getTimeInMillis());//更新题目
} }
public void set24HourView(boolean is24HourView) { public void set24HourView(boolean is24HourView) {
mIs24HourView = is24HourView; mIs24HourView = is24HourView;
} }//设置为24小时页面
public void setOnDateTimeSetListener(OnDateTimeSetListener callBack) { public void setOnDateTimeSetListener(OnDateTimeSetListener callBack) {
mOnDateTimeSetListener = callBack; mOnDateTimeSetListener = callBack;
@ -74,11 +74,11 @@ public class DateTimePickerDialog extends AlertDialog implements OnClickListener
private void updateTitle(long date) { private void updateTitle(long date) {
int flag = int flag =
DateUtils.FORMAT_SHOW_YEAR | DateUtils.FORMAT_SHOW_YEAR |//显示年日时间
DateUtils.FORMAT_SHOW_DATE | DateUtils.FORMAT_SHOW_DATE |
DateUtils.FORMAT_SHOW_TIME; DateUtils.FORMAT_SHOW_TIME;
flag |= mIs24HourView ? DateUtils.FORMAT_24HOUR : DateUtils.FORMAT_24HOUR; flag |= mIs24HourView ? DateUtils.FORMAT_24HOUR : DateUtils.FORMAT_24HOUR;//是否按照24小时制显示
setTitle(DateUtils.formatDateTime(this.getContext(), date, flag)); setTitle(DateUtils.formatDateTime(this.getContext(), date, flag));//设置对应的题目
} }
public void onClick(DialogInterface arg0, int arg1) { public void onClick(DialogInterface arg0, int arg1) {

10
src/Xiaominotes/app/src/main/java/net/micode/notes/ui/DropdownMenu.java
Unescape View File

@ -32,16 +32,16 @@ public class DropdownMenu {
private PopupMenu mPopupMenu; private PopupMenu mPopupMenu;
private Menu mMenu; private Menu mMenu;
public DropdownMenu(Context context, Button button, int menuId) { public DropdownMenu(Context context, Button button, int menuId) {//放下菜单
mButton = button; mButton = button;
mButton.setBackgroundResource(R.drawable.dropdown_icon); mButton.setBackgroundResource(R.drawable.dropdown_icon);//设置背景资源，改变对应的背景图片
mPopupMenu = new PopupMenu(context, mButton); mPopupMenu = new PopupMenu(context, mButton);//显示菜单
mMenu = mPopupMenu.getMenu(); mMenu = mPopupMenu.getMenu();
mPopupMenu.getMenuInflater().inflate(menuId, mMenu); mPopupMenu.getMenuInflater().inflate(menuId, mMenu);//填充菜单
mButton.setOnClickListener(new OnClickListener() { mButton.setOnClickListener(new OnClickListener() {
public void onClick(View v) { public void onClick(View v) {
mPopupMenu.show(); mPopupMenu.show();
} }//显示对应的菜单
}); });
} }

2
src/Xiaominotes/app/src/main/java/net/micode/notes/ui/FoldersListAdapter.java
Unescape View File

@ -30,7 +30,7 @@ import net.micode.notes.data.Notes.NoteColumns;
public class FoldersListAdapter extends CursorAdapter { public class FoldersListAdapter extends CursorAdapter {
public static final String [] PROJECTION = { public static final String [] PROJECTION = {//投影
NoteColumns.ID, NoteColumns.ID,
NoteColumns.SNIPPET NoteColumns.SNIPPET
}; };

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