ptka4xvyr
/
MiNotes
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity
Labels Milestones
New Pull Request

合并 #13

Closed
ptka4xvyr wants to merge 7 commits from fsq_branch into master
Conversation 0 Commits 7 Files Changed 8
8 changed files with 220 additions and 35 deletions
Show Stats Download Patch File Download Diff File

BIN
doc/小米便签泛读报告.docx
View File

Binary file not shown.

19
src/main/java/net/micode/notes/tool/ResourceParser.java
Unescape View File

@ -22,6 +22,21 @@ import android.preference.PreferenceManager;
import net.micode.notes.R;
import net.micode.notes.ui.NotesPreferenceActivity;
/*简介：字面意义是资源分析器，实际上就是获取资源并且在程序中使用，比如颜色图片等
* 实现方法：主要利用R.java这个类，其中包括
* R.id 组件资源引用
* R.drawable 图片资源 （被使用）
* R.layout 布局资源
* R.menu 菜单资源
* R.String 文字资源
* R.style 主题资源 （被使用）
* 在按顺序设置好相应的id后，就可以编写简单的getXXX函数获取需要的资源
*
* 特殊的变量 ：
* @BG_DEFAULT_COLOR 默认背景颜色（黄）
* BG_DEFAULT_FONT_SIZE 默认文本大小（中）
*/
public class ResourceParser {
public static final int YELLOW = 0;
@ -65,9 +80,10 @@ public class ResourceParser {
}
}
//直接获取默认的背景颜色。
public static int getDefaultBgId(Context context) {
if (PreferenceManager.getDefaultSharedPreferences(context).getBoolean(
NotesPreferenceActivity.PREFERENCE_SET_BG_COLOR_KEY, false)) {
NotesPreferenceActivity.PREFERENCE_SET_BG_COLOR_KEY, false)) {
return (int) (Math.random() * NoteBgResources.BG_EDIT_RESOURCES.length);
} else {
return BG_DEFAULT_COLOR;
@ -162,6 +178,7 @@ public class ResourceParser {
R.style.TextAppearanceSuper
};
//这里有一个容错的函数，防止输入的id大于资源总量，若如此，则自动返回默认的设置结果
public static int getTexAppearanceResource(int id) {
/**
* HACKME: Fix bug of store the resource id in shared preference.

103
src/main/java/net/micode/notes/ui/AlarmAlertActivity.java
Unescape View File

@ -41,58 +41,90 @@ import java.io.IOException;
public class AlarmAlertActivity extends Activity implements OnClickListener, OnDismissListener {
private long mNoteId;
private String mSnippet;
private long mNoteId; //文本在数据库存储中的ID号
private String mSnippet;//闹钟提示时出现的文本片段
private static final int SNIPPET_PREW_MAX_LEN = 60;
MediaPlayer mPlayer;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
//Bundle类型的数据与Map类型的数据相似，都是以key-value的形式存储数据的
//onsaveInstanceState方法是用来保存Activity的状态的
//能从onCreate的参数savedInsanceState中获得状态数据
//界面显示——无标题
requestWindowFeature(Window.FEATURE_NO_TITLE);
final Window win = getWindow();
win.addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
if (!isScreenOn()) {
win.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON
| WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON
| WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON
| WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR);
win.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON//保持窗体点亮
//将窗体点亮
| WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON
//允许窗体点亮时锁屏
| WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON
//在手机锁屏后如果到了闹钟提示时间，点亮屏幕
| WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR);
}
Intent intent = getIntent();
try {
//根据ID从数据库中获取标签的内容；
//getContentResolver（）是实现数据共享，实例存储。
mNoteId = Long.valueOf(intent.getData().getPathSegments().get(1));
mSnippet = DataUtils.getSnippetById(this.getContentResolver(), mNoteId);
//判断标签片段是否达到符合长度
mSnippet = mSnippet.length() > SNIPPET_PREW_MAX_LEN ? mSnippet.substring(0,
SNIPPET_PREW_MAX_LEN) + getResources().getString(R.string.notelist_string_info)
: mSnippet;
SNIPPET_PREW_MAX_LEN) + getResources().getString(R.string.notelist_string_info)
: mSnippet;
} catch (IllegalArgumentException e) {
e.printStackTrace();
return;
}
/*
try
{
// 代码区
}
catch(Exception e)
{
// 异常处理
}
代码区如果有错误，就会返回所写异常的处理。*/
mPlayer = new MediaPlayer();
if (DataUtils.visibleInNoteDatabase(getContentResolver(), mNoteId, Notes.TYPE_NOTE)) {
//弹出对话框
showActionDialog();
//闹钟提示音激发
playAlarmSound();
} else {
finish();
//完成闹钟动作
}
}
private boolean isScreenOn() {
//判断屏幕是否锁屏，调用系统函数判断，最后返回值是布尔类型
PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
return pm.isScreenOn();
}
private void playAlarmSound() {
//闹钟提示音激发
Uri url = RingtoneManager.getActualDefaultRingtoneUri(this, RingtoneManager.TYPE_ALARM);
//调用系统的铃声管理URI，得到闹钟提示音
int silentModeStreams = Settings.System.getInt(getContentResolver(),
Settings.System.MODE_RINGER_STREAMS_AFFECTED, 0);
Settings.System.MODE_RINGER_STREAMS_AFFECTED, 0);
if ((silentModeStreams & (1 << AudioManager.STREAM_ALARM)) != 0) {
mPlayer.setAudioStreamType(silentModeStreams);
@ -100,13 +132,26 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD
mPlayer.setAudioStreamType(AudioManager.STREAM_ALARM);
}
try {
//方法：setDataSource(Context context, Uri uri)
//解释：无返回值，设置多媒体数据来源【根据 Uri】
mPlayer.setDataSource(this, url);
//准备同步
mPlayer.prepare();
//设置是否循环播放
mPlayer.setLooping(true);
//开始播放
mPlayer.start();
} catch (IllegalArgumentException e) {
// TODO Auto-generated catch block
e.printStackTrace();
//e.printStackTrace()函数功能是抛出异常， 还将显示出更深的调用信息
//System.out.println(e)，这个方法打印出异常，并且输出在哪里出现的异常
} catch (SecurityException e) {
// TODO Auto-generated catch block
e.printStackTrace();
@ -120,37 +165,67 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD
}
private void showActionDialog() {
//AlertDialog的构造方法全部是Protected的
//所以不能直接通过new一个AlertDialog来创建出一个AlertDialog。
//要创建一个AlertDialog，就要用到AlertDialog.Builder中的create()方法
//如这里的dialog就是新建了一个AlertDialog
AlertDialog.Builder dialog = new AlertDialog.Builder(this);
//为对话框设置标题
dialog.setTitle(R.string.app_name);
//为对话框设置内容
dialog.setMessage(mSnippet);
//给对话框添加"Yes"按钮
dialog.setPositiveButton(R.string.notealert_ok, this);
if (isScreenOn()) {
dialog.setNegativeButton(R.string.notealert_enter, this);
}
}//对话框添加"No"按钮
dialog.show().setOnDismissListener(this);
}
public void onClick(DialogInterface dialog, int which) {
switch (which) {
switch (which) {//用which来选择click后下一步的操作
//这是取消操作
case DialogInterface.BUTTON_NEGATIVE:
//实现两个类间的数据传输
Intent intent = new Intent(this, NoteEditActivity.class);
//设置动作属性
intent.setAction(Intent.ACTION_VIEW);
//实现key-value对
//EXTRA_UID为key；mNoteId为键
intent.putExtra(Intent.EXTRA_UID, mNoteId);
//开始动作
startActivity(intent);
break;
default:
//这是确定操作
break;
}
}
public void onDismiss(DialogInterface dialog) {
public void onDismiss(DialogInterface dialog) {//忽略
//停止闹钟声音
stopAlarmSound();
//完成该动作
finish();
}
private void stopAlarmSound() {
if (mPlayer != null) {
//停止播放
mPlayer.stop();
//释放MediaPlayer对象
mPlayer.release();
mPlayer = null;
}

20
src/main/java/net/micode/notes/ui/AlarmInitReceiver.java
Unescape View File

@ -34,18 +34,23 @@ public class AlarmInitReceiver extends BroadcastReceiver {
NoteColumns.ID,
NoteColumns.ALERTED_DATE
};
//对数据库的操作，调用标签ID和闹钟时间
private static final int COLUMN_ID = 0;
private static final int COLUMN_ALERTED_DATE = 1;
@Override
public void onReceive(Context context, Intent intent) {
long currentDate = System.currentTimeMillis();
//System.currentTimeMillis()产生一个当前的毫秒
//这个毫秒其实就是自1970年1月1日0时起的毫秒数
Cursor c = context.getContentResolver().query(Notes.CONTENT_NOTE_URI,
PROJECTION,
NoteColumns.ALERTED_DATE + ">? AND " + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE,
new String[] { String.valueOf(currentDate) },
null);
PROJECTION,
NoteColumns.ALERTED_DATE + ">? AND " + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE,
new String[] { String.valueOf(currentDate) },
//将long变量currentDate转化为字符串
null);
//Cursor在这里的作用是通过查找数据库中的标签内容，找到和当前系统时间相等的标签
if (c != null) {
if (c.moveToFirst()) {
@ -55,11 +60,14 @@ public class AlarmInitReceiver extends BroadcastReceiver {
sender.setData(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, c.getLong(COLUMN_ID)));
PendingIntent pendingIntent = PendingIntent.getBroadcast(context, 0, sender, 0);
AlarmManager alermManager = (AlarmManager) context
.getSystemService(Context.ALARM_SERVICE);
.getSystemService(Context.ALARM_SERVICE);
alermManager.set(AlarmManager.RTC_WAKEUP, alertDate, pendingIntent);
} while (c.moveToNext());
}
c.close();
}
//然而通过网上查找资料发现，对于闹钟机制的启动，通常需要上面的几个步骤
//如新建Intent、PendingIntent以及AlarmManager等
//这里就是根据数据库里的闹钟时间创建一个闹钟机制
}
}

6
src/main/java/net/micode/notes/ui/AlarmReceiver.java
Unescape View File

@ -23,8 +23,14 @@ import android.content.Intent;
public class AlarmReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
//启动AlarmAlertActivity
intent.setClass(context, AlarmAlertActivity.class);
//activity要存在于activity的栈中，而非activity的途径启动activity时必然不存在一个activity的栈
//所以要新起一个栈装入启动的activity
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
context.startActivity(intent);
}
}
//这是实现alarm这个功能最接近用户层的包，基于上面的两个包，
//作用还需要深究但是对于setClass和addFlags的

67
src/main/java/net/micode/notes/ui/DateTimePicker.java
Unescape View File

@ -29,9 +29,11 @@ import android.widget.FrameLayout;
import android.widget.NumberPicker;
public class DateTimePicker extends FrameLayout {
//FrameLayout是布局模板之一
//所有的子元素全部在屏幕的右上方
private static final boolean DEFAULT_ENABLE_STATE = true;
//初始化控件
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;
@ -46,10 +48,14 @@ public class DateTimePicker extends FrameLayout {
private static final int AMPM_SPINNER_MIN_VAL = 0;
private static final int AMPM_SPINNER_MAX_VAL = 1;
//NumberPicker是数字选择器
//这里定义的四个变量全部是在设置闹钟时需要选择的变量（如日期、时、分、上午或者下午）
private final NumberPicker mDateSpinner;
private final NumberPicker mHourSpinner;
private final NumberPicker mMinuteSpinner;
private final NumberPicker mAmPmSpinner;
//定义了Calendar类型的变量mDate，用于操作时间
private Calendar mDate;
private String[] mDateDisplayValues = new String[DAYS_IN_ALL_WEEK];
@ -66,6 +72,8 @@ public class DateTimePicker extends FrameLayout {
private NumberPicker.OnValueChangeListener mOnDateChangedListener = new NumberPicker.OnValueChangeListener() {
@Override
//OnValueChangeListener，这是时间改变监听器，这里主要是对日期的监听
//将现在日期的值传递给mDate；updateDateControl是同步操作
public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
mDate.add(Calendar.DAY_OF_YEAR, newVal - oldVal);
updateDateControl();
@ -74,37 +82,52 @@ public class DateTimePicker extends FrameLayout {
};
private NumberPicker.OnValueChangeListener mOnHourChangedListener = new NumberPicker.OnValueChangeListener() {
//这里是对 小时（Hour） 的监听
@Override
public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
boolean isDateChanged = false;
//声明一个Calendar的变量cal，便于后续的操作
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;
//这里是对于12小时制时，晚上11点和12点交替时对日期的更改
} 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;
//这里是对于12小时制时，凌晨11点和12点交替时对日期的更改
}
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) {
mIsAm = !mIsAm;
updateAmPmControl();
//这里是对于12小时制时，中午11点和12点交替时对AM和PM的更改
}
} else {
if (oldVal == HOURS_IN_ALL_DAY - 1 && newVal == 0) {
cal.setTimeInMillis(mDate.getTimeInMillis());
cal.add(Calendar.DAY_OF_YEAR, 1);
isDateChanged = true;
//这里是对于24小时制时，晚上11点和12点交替时对日期的更改
} else if (oldVal == 0 && newVal == HOURS_IN_ALL_DAY - 1) {
cal.setTimeInMillis(mDate.getTimeInMillis());
cal.add(Calendar.DAY_OF_YEAR, -1);
isDateChanged = true;
//这里是对于24小时制时，凌晨11点和12点交替时对日期的更改
}
}
//通过数字选择器对newHour的赋值
int newHour = mHourSpinner.getValue() % HOURS_IN_HALF_DAY + (mIsAm ? 0 : HOURS_IN_HALF_DAY);
//通过set函数将新的Hour值传给mDate
mDate.set(Calendar.HOUR_OF_DAY, newHour);
onDateTimeChanged();
if (isDateChanged) {
@ -117,10 +140,14 @@ public class DateTimePicker extends FrameLayout {
private NumberPicker.OnValueChangeListener mOnMinuteChangedListener = new NumberPicker.OnValueChangeListener() {
@Override
//这里是对 分钟（Minute）改变的监听
public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
int minValue = mMinuteSpinner.getMinValue();
int maxValue = mMinuteSpinner.getMaxValue();
int offset = 0;
int offset = 0;//设置offset，作为小时改变的一个记录数据
//如果原值为59，新值为0，则offset加1
//如果原值为0，新值为59，则offset减
if (oldVal == maxValue && newVal == minValue) {
offset += 1;
} else if (oldVal == minValue && newVal == maxValue) {
@ -145,6 +172,7 @@ public class DateTimePicker extends FrameLayout {
};
private NumberPicker.OnValueChangeListener mOnAmPmChangedListener = new NumberPicker.OnValueChangeListener() {
//对AM和PM的监听
@Override
public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
mIsAm = !mIsAm;
@ -160,24 +188,31 @@ public class DateTimePicker extends FrameLayout {
public interface OnDateTimeChangedListener {
void onDateTimeChanged(DateTimePicker view, int year, int month,
int dayOfMonth, int hourOfDay, int minute);
int dayOfMonth, int hourOfDay, int minute);
}
//通过对数据库的访问，获取当前的系统时间
public DateTimePicker(Context context) {
this(context, System.currentTimeMillis());
}
//上面函数的得到的是一个天文数字（1970至今的秒数），需要DateFormat将其变得有意义
public DateTimePicker(Context context, long date) {
this(context, date, DateFormat.is24HourFormat(context));
}
public DateTimePicker(Context context, long date, boolean is24HourView) {
//获取系统时间
super(context);
mDate = Calendar.getInstance();
mInitialising = true;
mIsAm = getCurrentHourOfDay() >= HOURS_IN_HALF_DAY;
inflate(context, R.layout.datetime_picker, this);
//如果当前Activity里用到别的layout，比如对话框layout
//还要设置这个layout上的其他组件的内容，就必须用inflate()方法先将对话框的layout找出来
//然后再用findViewById()找到它上面的其它组件
mDateSpinner = (NumberPicker) findViewById(R.id.date);
mDateSpinner.setMinValue(DATE_SPINNER_MIN_VAL);
mDateSpinner.setMaxValue(DATE_SPINNER_MAX_VAL);
@ -227,6 +262,8 @@ public class DateTimePicker extends FrameLayout {
mIsEnabled = enabled;
}
//下面的代码通过原程序的注释已经比较清晰，另外可以通过函数名来判断
//下面的各函数主要是对上面代码引用到的各函数功能的实现
@Override
public boolean isEnabled() {
return mIsEnabled;
@ -237,6 +274,8 @@ public class DateTimePicker extends FrameLayout {
*
* @return the current date in millis
*/
//实现函数——得到当前的秒数
public long getCurrentDateInTimeMillis() {
return mDate.getTimeInMillis();
}
@ -246,11 +285,13 @@ public class DateTimePicker extends FrameLayout {
*
* @param date The current date in millis
*/
//实现函数功能——设置当前的时间，参数是date
public void setCurrentDate(long date) {
Calendar cal = Calendar.getInstance();
cal.setTimeInMillis(date);
setCurrentDate(cal.get(Calendar.YEAR), cal.get(Calendar.MONTH), cal.get(Calendar.DAY_OF_MONTH),
cal.get(Calendar.HOUR_OF_DAY), cal.get(Calendar.MINUTE));
cal.get(Calendar.HOUR_OF_DAY), cal.get(Calendar.MINUTE));
}
/**
@ -262,8 +303,10 @@ public class DateTimePicker extends FrameLayout {
* @param hourOfDay The current hourOfDay
* @param minute The current minute
*/
//实现函数功能——设置当前的时间，参数是各详细的变量
public void setCurrentDate(int year, int month,
int dayOfMonth, int hourOfDay, int minute) {
int dayOfMonth, int hourOfDay, int minute) {
setCurrentYear(year);
setCurrentMonth(month);
setCurrentDay(dayOfMonth);
@ -276,6 +319,8 @@ public class DateTimePicker extends FrameLayout {
*
* @return The current year
*/
//下面是得到year、month、day等值
public int getCurrentYear() {
return mDate.get(Calendar.YEAR);
}
@ -434,7 +479,7 @@ public class DateTimePicker extends FrameLayout {
updateAmPmControl();
}
private void updateDateControl() {
private void updateDateControl() {// 对于星期几的算法
Calendar cal = Calendar.getInstance();
cal.setTimeInMillis(mDate.getTimeInMillis());
cal.add(Calendar.DAY_OF_YEAR, -DAYS_IN_ALL_WEEK / 2 - 1);
@ -448,7 +493,7 @@ public class DateTimePicker extends FrameLayout {
mDateSpinner.invalidate();
}
private void updateAmPmControl() {
private void updateAmPmControl() {// 对于上下午操作的算法
if (mIs24HourView) {
mAmPmSpinner.setVisibility(View.GONE);
} else {
@ -458,7 +503,7 @@ public class DateTimePicker extends FrameLayout {
}
}
private void updateHourControl() {
private void updateHourControl() {// 对与小时的算法
if (mIs24HourView) {
mHourSpinner.setMinValue(HOUR_SPINNER_MIN_VAL_24_HOUR_VIEW);
mHourSpinner.setMaxValue(HOUR_SPINNER_MAX_VAL_24_HOUR_VIEW);
@ -479,7 +524,7 @@ public class DateTimePicker extends FrameLayout {
private void onDateTimeChanged() {
if (mOnDateTimeChangedListener != null) {
mOnDateTimeChangedListener.onDateTimeChanged(this, getCurrentYear(),
getCurrentMonth(), getCurrentDay(), getCurrentHourOfDay(), getCurrentMinute());
getCurrentMonth(), getCurrentDay(), getCurrentHourOfDay(), getCurrentMinute());
}
}
}

30
src/main/java/net/micode/notes/ui/DateTimePickerDialog.java
Unescape View File

@ -31,9 +31,15 @@ import android.text.format.DateUtils;
public class DateTimePickerDialog extends AlertDialog implements OnClickListener {
//创建一个Calendar类型的变量 mDate，方便时间的操作
private Calendar mDate = Calendar.getInstance();
private boolean mIs24HourView;
//声明一个时间日期滚动选择控件 mOnDateTimeSetListener
private OnDateTimeSetListener mOnDateTimeSetListener;
//DateTimePicker控件，控件一般用于让用户可以从日期列表中选择单个值。
//运行时，单击控件边上的下拉箭头，会显示为两个部分：一个下拉列表，一个用于选择日期的
private DateTimePicker mDateTimePicker;
public interface OnDateTimeSetListener {
@ -41,25 +47,39 @@ public class DateTimePickerDialog extends AlertDialog implements OnClickListener
}
public DateTimePickerDialog(Context context, long date) {
//对该界面对话框的实例化
super(context);
//对数据库的操作
mDateTimePicker = new DateTimePicker(context);
setView(mDateTimePicker);
//添加一个子视图
mDateTimePicker.setOnDateTimeChangedListener(new OnDateTimeChangedListener() {
public void onDateTimeChanged(DateTimePicker view, int year, int month,
int dayOfMonth, int hourOfDay, int minute) {
int dayOfMonth, int hourOfDay, int minute) {
mDate.set(Calendar.YEAR, year);
mDate.set(Calendar.MONTH, month);
mDate.set(Calendar.DAY_OF_MONTH, dayOfMonth);
mDate.set(Calendar.HOUR_OF_DAY, hourOfDay);
mDate.set(Calendar.MINUTE, minute);
//将视图中的各选项设置为系统当前时间
updateTitle(mDate.getTimeInMillis());
}
});
//得到系统时间
mDate.setTimeInMillis(date);
//将秒数设置为0
mDate.set(Calendar.SECOND, 0);
mDateTimePicker.setCurrentDate(mDate.getTimeInMillis());
//设置按钮
setButton(context.getString(R.string.datetime_dialog_ok), this);
setButton2(context.getString(R.string.datetime_dialog_cancel), (OnClickListener)null);
//时间标准化打印
set24HourView(DateFormat.is24HourFormat(this.getContext()));
updateTitle(mDate.getTimeInMillis());
}
@ -68,19 +88,23 @@ public class DateTimePickerDialog extends AlertDialog implements OnClickListener
mIs24HourView = is24HourView;
}
//将时间日期滚动选择控件实例化
public void setOnDateTimeSetListener(OnDateTimeSetListener callBack) {
mOnDateTimeSetListener = callBack;
}
//android开发中常见日期管理工具类（API）——DateUtils：按照上下午显示时间
private void updateTitle(long date) {
int flag =
DateUtils.FORMAT_SHOW_YEAR |
DateUtils.FORMAT_SHOW_DATE |
DateUtils.FORMAT_SHOW_TIME;
DateUtils.FORMAT_SHOW_DATE |
DateUtils.FORMAT_SHOW_TIME;
flag |= mIs24HourView ? DateUtils.FORMAT_24HOUR : DateUtils.FORMAT_24HOUR;
setTitle(DateUtils.formatDateTime(this.getContext(), date, flag));
}
//第一个参数arg0是接收到点击事件的对话框
//第二个参数arg1是该对话框上的按钮
public void onClick(DialogInterface arg0, int arg1) {
if (mOnDateTimeSetListener != null) {
mOnDateTimeSetListener.OnDateTimeSet(this, mDate.getTimeInMillis());

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

@ -29,14 +29,21 @@ import net.micode.notes.R;
public class DropdownMenu {
private Button mButton;
//声明一个下拉菜单
private PopupMenu mPopupMenu;
private Menu mMenu;
public DropdownMenu(Context context, Button button, int menuId) {
mButton = button;
//设置这个view的背景
mButton.setBackgroundResource(R.drawable.dropdown_icon);
mPopupMenu = new PopupMenu(context, mButton);
mMenu = mPopupMenu.getMenu();
//MenuInflater是用来实例化Menu目录下的Menu布局文件
//根据ID来确认menu的内容选项
mPopupMenu.getMenuInflater().inflate(menuId, mMenu);
mButton.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
@ -45,16 +52,19 @@ public class DropdownMenu {
});
}
//设置菜单的监听
public void setOnDropdownMenuItemClickListener(OnMenuItemClickListener listener) {
if (mPopupMenu != null) {
mPopupMenu.setOnMenuItemClickListener(listener);
}
}
//对于菜单选项的初始化，根据索引搜索菜单需要的选项
public MenuItem findItem(int id) {
return mMenu.findItem(id);
}
//布局文件，设置标题
public void setTitle(CharSequence title) {
mButton.setText(title);
}

Write Preview
Loading…
Cancel
Save