diff --git a/MiNote/doc/孙祖凯-2023317168-小米便签泛读报告.docx b/MiNote/doc/孙祖凯-2023317168-小米便签泛读报告.docx new file mode 100644 index 0000000..5c3449e Binary files /dev/null and b/MiNote/doc/孙祖凯-2023317168-小米便签泛读报告.docx differ diff --git a/MiNote/doc/小米便签开源代码的泛读报告 - 模板.docx b/MiNote/doc/小米便签开源代码的泛读报告 - 模板.docx new file mode 100644 index 0000000..6641a68 Binary files /dev/null and b/MiNote/doc/小米便签开源代码的泛读报告 - 模板.docx differ diff --git a/MiNote/doc/小米便签开源代码的泛读报告.docx b/MiNote/doc/王聚英2023317171小米便签开源代码的泛读报告.docx similarity index 100% rename from MiNote/doc/小米便签开源代码的泛读报告.docx rename to MiNote/doc/王聚英2023317171小米便签开源代码的泛读报告.docx diff --git a/MiNote/src/net/micode/notes/data/Contact.java b/MiNote/src/net/micode/notes/data/Contact.java index d97ac5d..447cfcb 100644 --- a/MiNote/src/net/micode/notes/data/Contact.java +++ b/MiNote/src/net/micode/notes/data/Contact.java @@ -25,6 +25,90 @@ import android.util.Log; import java.util.HashMap; +public class Contact { //ϵ + private static HashMap sContactCache; + private static final String TAG = "Contact"; + + // ַCALLER_ID_SELECTION + private static final String CALLER_ID_SELECTION = "PHONE_NUMBERS_EQUAL(" + + + Phone.NUMBER + + ",?) AND " + Data.MIMETYPE + "='" + Phone.CONTENT_ITEM_TYPE + "'" + + " AND " + Data.RAW_CONTACT_ID + " IN " + + "(SELECT raw_contact_id " + + " FROM phone_lookup" + + " WHERE min_match = '+')"; + + // ȡϵ + public static String getContact(Context context, String phoneNumber) { + if(sContactCache == null) { + sContactCache = new HashMap(); + } + + // HashMapǷphoneNumberϢ + if(sContactCache.containsKey(phoneNumber)) { + return sContactCache.get(phoneNumber); + } + + String selection = CALLER_ID_SELECTION.replace("+", + PhoneNumberUtils.toCallerIDMinMatch(phoneNumber)); + // ݿphoneNumberϢ + Cursor cursor = context.getContentResolver().query( + Data.CONTENT_URI, + new String [] { Phone.DISPLAY_NAME }, + selection, + new String[] { phoneNumber }, + null); + + // жѯ + // moveToFirst()صһ + if (cursor != null && cursor.moveToFirst()) { + try { + // ҵϢ + String name = cursor.getString(0); + sContactCache.put(phoneNumber, name); + return name; + // 쳣 + } catch (IndexOutOfBoundsException e) { + Log.e(TAG, " Cursor get string error " + e.toString()); + return null; + } finally { + cursor.close(); + } + // δҵϢ + } else { + Log.d(TAG, "No contact matched with number:" + phoneNumber); + return null; + } + } +} +/* + * 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.data; + +import android.content.Context; +import android.database.Cursor; +import android.provider.ContactsContract.CommonDataKinds.Phone; +import android.provider.ContactsContract.Data; +import android.telephony.PhoneNumberUtils; +import android.util.Log; + +import java.util.HashMap; + public class Contact { private static HashMap sContactCache; private static final String TAG = "Contact"; diff --git a/MiNote/src/net/micode/notes/data/NotesProvider.java b/MiNote/src/net/micode/notes/data/NotesProvider.java index edb0a60..36a5241 100644 --- a/MiNote/src/net/micode/notes/data/NotesProvider.java +++ b/MiNote/src/net/micode/notes/data/NotesProvider.java @@ -33,9 +33,17 @@ import net.micode.notes.R; import net.micode.notes.data.Notes.DataColumns; import net.micode.notes.data.Notes.NoteColumns; import net.micode.notes.data.NotesDatabaseHelper.TABLE; +//为存储和获取数据提供接口。可以在不同的应用程序之间共享数据 +//ContentProvider提供的方法 +//query：查询 +//insert：插入 +//update：更新 +//delete：删除 +//getType：得到数据类型 public class NotesProvider extends ContentProvider { + // UriMatcher用于匹配Uri private static final UriMatcher mMatcher; private NotesDatabaseHelper mHelper; @@ -51,7 +59,10 @@ public class NotesProvider extends ContentProvider { private static final int URI_SEARCH_SUGGEST = 6; static { + // 创建UriMatcher时，调用UriMatcher(UriMatcher.NO_MATCH)表示不匹配任何路径的返回码 + mMatcher = new UriMatcher(UriMatcher.NO_MATCH); + // 把需要匹配Uri路径全部给注册上 mMatcher.addURI(Notes.AUTHORITY, "note", URI_NOTE); mMatcher.addURI(Notes.AUTHORITY, "note/#", URI_NOTE_ITEM); mMatcher.addURI(Notes.AUTHORITY, "data", URI_DATA); @@ -65,6 +76,7 @@ public class NotesProvider extends ContentProvider { * x'0A' represents the '\n' character in sqlite. For title and content in the search result, * we will trim '\n' and white space in order to show more information. */ + // 声明 NOTES_SEARCH_PROJECTION private static final String NOTES_SEARCH_PROJECTION = NoteColumns.ID + "," + NoteColumns.ID + " AS " + SearchManager.SUGGEST_COLUMN_INTENT_EXTRA_DATA + "," + "TRIM(REPLACE(" + NoteColumns.SNIPPET + ", x'0A','')) AS " + SearchManager.SUGGEST_COLUMN_TEXT_1 + "," @@ -72,7 +84,7 @@ public class NotesProvider extends ContentProvider { + R.drawable.search_result + " AS " + SearchManager.SUGGEST_COLUMN_ICON_1 + "," + "'" + Intent.ACTION_VIEW + "' AS " + SearchManager.SUGGEST_COLUMN_INTENT_ACTION + "," + "'" + Notes.TextNote.CONTENT_TYPE + "' AS " + SearchManager.SUGGEST_COLUMN_INTENT_DATA; - + // 声明NOTES_SNIPPET_SEARCH_QUERY private static String NOTES_SNIPPET_SEARCH_QUERY = "SELECT " + NOTES_SEARCH_PROJECTION + " FROM " + TABLE.NOTE + " WHERE " + NoteColumns.SNIPPET + " LIKE ?" @@ -80,18 +92,24 @@ public class NotesProvider extends ContentProvider { + " AND " + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE; @Override + // Context只有在onCreate()中才被初始化 + // 对mHelper进行实例化 public boolean onCreate() { mHelper = NotesDatabaseHelper.getInstance(getContext()); return true; } @Override + // 查询uri在数据库中对应的位置 public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs, String sortOrder) { Cursor c = null; + // 获取可读数据库 SQLiteDatabase db = mHelper.getReadableDatabase(); String id = null; + // 匹配查找uri switch (mMatcher.match(uri)) { + // 对于不同的匹配值，在数据库中查找相应的条目 case URI_NOTE: c = db.query(TABLE.NOTE, projection, selection, selectionArgs, null, null, sortOrder); @@ -113,6 +131,7 @@ public class NotesProvider extends ContentProvider { case URI_SEARCH: case URI_SEARCH_SUGGEST: if (sortOrder != null || projection != null) { + // 不合法的参数异常 throw new IllegalArgumentException( "do not specify sortOrder, selection, selectionArgs, or projection" + "with this query"); } @@ -120,6 +139,8 @@ public class NotesProvider extends ContentProvider { String searchString = null; if (mMatcher.match(uri) == URI_SEARCH_SUGGEST) { if (uri.getPathSegments().size() > 1) { + // getPathSegments()方法得到一个String的List， + // 在uri.getPathSegments().get(1)为第2个元素 searchString = uri.getPathSegments().get(1); } } else { @@ -139,6 +160,7 @@ public class NotesProvider extends ContentProvider { } break; default: + // 抛出异常 throw new IllegalArgumentException("Unknown URI " + uri); } if (c != null) { @@ -148,13 +170,17 @@ public class NotesProvider extends ContentProvider { } @Override + // 插入一个uri public Uri insert(Uri uri, ContentValues values) { + // 获得可写的数据库 SQLiteDatabase db = mHelper.getWritableDatabase(); long dataId = 0, noteId = 0, insertedId = 0; switch (mMatcher.match(uri)) { + // 新增一个条目 case URI_NOTE: insertedId = noteId = db.insert(TABLE.NOTE, null, values); break; + // 如果存在，查找NOTE_ID case URI_DATA: if (values.containsKey(DataColumns.NOTE_ID)) { noteId = values.getAsLong(DataColumns.NOTE_ID); @@ -165,6 +191,8 @@ public class NotesProvider extends ContentProvider { break; default: throw new IllegalArgumentException("Unknown URI " + uri); + // Notify the note uri + // notifyChange获得一个ContextResolver对象并且更新里面的内容 } // Notify the note uri if (noteId > 0) { @@ -177,14 +205,19 @@ public class NotesProvider extends ContentProvider { getContext().getContentResolver().notifyChange( ContentUris.withAppendedId(Notes.CONTENT_DATA_URI, dataId), null); } - + // 返回插入的uri的路径 return ContentUris.withAppendedId(uri, insertedId); } @Override + // 删除一个uri public int delete(Uri uri, String selection, String[] selectionArgs) { + //Uri代表要操作的数据，Android上可用的每种资源 -包括 图像、视频片段、音频资源等都可以用Uri来表示。 + int count = 0; String id = null; + // 获得可写的数据库 + SQLiteDatabase db = mHelper.getWritableDatabase(); boolean deleteData = false; switch (mMatcher.match(uri)) { @@ -228,6 +261,8 @@ public class NotesProvider extends ContentProvider { } @Override + // 更新一个uri + public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) { int count = 0; String id = null; @@ -267,11 +302,13 @@ public class NotesProvider extends ContentProvider { return count; } - private String parseSelection(String selection) { + private String parseSelection(String selection) { // 将字符串解析成规定格式 + return (!TextUtils.isEmpty(selection) ? " AND (" + selection + ')' : ""); } private void increaseNoteVersion(long id, String selection, String[] selectionArgs) { + //增加一个noteVersion StringBuilder sql = new StringBuilder(120); sql.append("UPDATE "); sql.append(TABLE.NOTE); @@ -292,12 +329,13 @@ public class NotesProvider extends ContentProvider { } sql.append(selectString); } - + // execSQL()方法可以执行insert、delete、update和CREATE TABLE之类有更改行为的SQL语句 mHelper.getWritableDatabase().execSQL(sql.toString()); } @Override public String getType(Uri uri) { + // TODO Auto-generated method stub return null; } diff --git a/MiNote/src/net/micode/notes/ui/AlarmAlertActivity.java b/MiNote/src/net/micode/notes/ui/AlarmAlertActivity.java index ed82f0a..85723be 100644 --- a/MiNote/src/net/micode/notes/ui/AlarmAlertActivity.java +++ b/MiNote/src/net/micode/notes/ui/AlarmAlertActivity.java @@ -41,81 +41,56 @@ import java.io.IOException; public class AlarmAlertActivity extends Activity implements OnClickListener, OnDismissListener { - 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 long mNoteId; + private String mSnippet; 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 requestWindowFeature(Window.FEATURE_NO_TITLE); - //界面显示——无标题 + final Window win = getWindow(); win.addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED); if (!isScreenOn()) { win.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON - //保持窗体点亮 | WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON - //将窗体点亮 | WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON - //允许窗体点亮时锁屏 | WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR); - }//在手机锁屏后如果到了闹钟提示时间，点亮屏幕 + } Intent intent = getIntent(); try { mNoteId = Long.valueOf(intent.getData().getPathSegments().get(1)); mSnippet = DataUtils.getSnippetById(this.getContentResolver(), mNoteId); - //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。 mSnippet = mSnippet.length() > SNIPPET_PREW_MAX_LEN ? mSnippet.substring(0, SNIPPET_PREW_MAX_LEN) + getResources().getString(R.string.notelist_string_info) : mSnippet; - //判断标签片段是否达到符合长度 } 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)) { showActionDialog(); - //弹出对话框 playAlarmSound(); - //闹钟提示音激发 } 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); @@ -126,12 +101,8 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD } try { mPlayer.setDataSource(this, url); - //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.prepare(); - //准备同步 mPlayer.setLooping(true); - //设置是否循环播放 mPlayer.start(); } catch (IllegalArgumentException e) { // TODO Auto-generated catch block @@ -150,53 +121,37 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD private void showActionDialog() { AlertDialog.Builder dialog = new AlertDialog.Builder(this); - //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 dialog.setTitle(R.string.app_name); - //为对话框设置标题 dialog.setMessage(mSnippet); - //为对话框设置内容 dialog.setPositiveButton(R.string.notealert_ok, this); - //给对话框添加"Yes"按钮 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) { - //用which来选择click后下一步的操作 case DialogInterface.BUTTON_NEGATIVE: - //这是取消操作 Intent intent = new Intent(this, NoteEditActivity.class); - //实现两个类间的数据传输 intent.setAction(Intent.ACTION_VIEW); - //设置动作属性 intent.putExtra(Intent.EXTRA_UID, mNoteId); - //实现key-value对 - //EXTRA_UID为key；mNoteId为键 startActivity(intent); - //开始动作 break; default: - //这是确定操作 break; } } public void onDismiss(DialogInterface dialog) { - //忽略 - stopAlarmSound();//停止闹钟声音 - finish();//完成该动作 + stopAlarmSound(); + finish(); } private void stopAlarmSound() { if (mPlayer != null) { - mPlayer.stop();//停止播放 - mPlayer.release();//释放MediaPlayer对象 + mPlayer.stop(); + mPlayer.release(); mPlayer = null; } } diff --git a/MiNote/src/net/micode/notes/ui/AlarmInitReceiver.java b/MiNote/src/net/micode/notes/ui/AlarmInitReceiver.java index a1edaad..f221202 100644 --- a/MiNote/src/net/micode/notes/ui/AlarmInitReceiver.java +++ b/MiNote/src/net/micode/notes/ui/AlarmInitReceiver.java @@ -30,26 +30,22 @@ import net.micode.notes.data.Notes.NoteColumns; public class AlarmInitReceiver extends BroadcastReceiver { - private static final String[] PROJECTION = new String[]{ - NoteColumns.ID, - NoteColumns.ALERTED_DATE + private static final String [] PROJECTION = new String [] { + 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; + + 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)}, - //将long变量currentDate转化为字符串 + new String[] { String.valueOf(currentDate) }, 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()) { @@ -65,8 +61,5 @@ public class AlarmInitReceiver extends BroadcastReceiver { } 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 } -} \ No newline at end of file +} diff --git a/MiNote/src/net/micode/notes/ui/AlarmReceiver.java b/MiNote/src/net/micode/notes/ui/AlarmReceiver.java index 981a59a..54e503b 100644 --- a/MiNote/src/net/micode/notes/ui/AlarmReceiver.java +++ b/MiNote/src/net/micode/notes/ui/AlarmReceiver.java @@ -24,12 +24,7 @@ public class AlarmReceiver extends BroadcastReceiver { @Override public void onReceive(Context context, Intent intent) { intent.setClass(context, AlarmAlertActivity.class); - //启动AlarmAlertActivity intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); - //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 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 \ No newline at end of file diff --git a/MiNote/src/net/micode/notes/ui/DateTimePicker.java b/MiNote/src/net/micode/notes/ui/DateTimePicker.java index 7cda91e..496b0cd 100644 --- a/MiNote/src/net/micode/notes/ui/DateTimePicker.java +++ b/MiNote/src/net/micode/notes/ui/DateTimePicker.java @@ -29,8 +29,7 @@ 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; private static final int HOURS_IN_HALF_DAY = 12; @@ -46,15 +45,13 @@ public class DateTimePicker extends FrameLayout { 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; - //初始化控件 + private final NumberPicker mDateSpinner; private final NumberPicker mHourSpinner; private final NumberPicker mMinuteSpinner; private final NumberPicker mAmPmSpinner; - //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 Calendar mDate; - //定义了Calendar类型的变量mDate，用于操作时间 + private String[] mDateDisplayValues = new String[DAYS_IN_ALL_WEEK]; private boolean mIsAm; @@ -74,49 +71,41 @@ public class DateTimePicker extends FrameLayout { updateDateControl(); onDateTimeChanged(); } - };//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 + }; 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; Calendar cal = Calendar.getInstance(); - //声明一个Calendar的变量cal，便于后续的操作 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) { 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12小时制时，凌晨11点和12点交替时对日期的更改 + } int newHour = mHourSpinner.getValue() % HOURS_IN_HALF_DAY + (mIsAm ? 0 : HOURS_IN_HALF_DAY); - //通过数字选择器对newHour的赋值 mDate.set(Calendar.HOUR_OF_DAY, newHour); - //通过set函数将新的Hour值传给mDate onDateTimeChanged(); if (isDateChanged) { setCurrentYear(cal.get(Calendar.YEAR)); @@ -128,19 +117,15 @@ 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; - //设置offset，作为小时改变的一个记录数据 if (oldVal == maxValue && newVal == minValue) { offset += 1; } else if (oldVal == minValue && newVal == maxValue) { offset -= 1; } - //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1 if (offset != 0) { mDate.add(Calendar.HOUR_OF_DAY, offset); mHourSpinner.setValue(getCurrentHour()); @@ -160,7 +145,6 @@ 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; @@ -176,27 +160,24 @@ 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); } public DateTimePicker(Context context) { this(context, System.currentTimeMillis()); - }//通过对数据库的访问，获取当前的系统时间 + } public DateTimePicker(Context context, long date) { this(context, date, DateFormat.is24HourFormat(context)); - }//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, boolean is24HourView) { super(context); - //获取系统时间 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); @@ -204,7 +185,7 @@ public class DateTimePicker extends FrameLayout { mHourSpinner = (NumberPicker) findViewById(R.id.hour); mHourSpinner.setOnValueChangedListener(mOnHourChangedListener); - mMinuteSpinner = (NumberPicker) findViewById(R.id.minute); + mMinuteSpinner = (NumberPicker) findViewById(R.id.minute); mMinuteSpinner.setMinValue(MINUT_SPINNER_MIN_VAL); mMinuteSpinner.setMaxValue(MINUT_SPINNER_MAX_VAL); mMinuteSpinner.setOnLongPressUpdateInterval(100); @@ -245,9 +226,7 @@ public class DateTimePicker extends FrameLayout { mAmPmSpinner.setEnabled(enabled); mIsEnabled = enabled; } - //存在疑问！！！！！！！！！！！！！setEnabled的作用 - //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; @@ -260,7 +239,7 @@ public class DateTimePicker extends FrameLayout { */ public long getCurrentDateInTimeMillis() { return mDate.getTimeInMillis(); - }//实现函数——得到当前的秒数 + } /** * Set the current date @@ -272,7 +251,7 @@ public class DateTimePicker extends FrameLayout { 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)); - }//实现函数功能——设置当前的时间，参数是date + } /** * Set the current date @@ -284,20 +263,19 @@ public class DateTimePicker extends FrameLayout { * @param minute The current minute */ 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); setCurrentHour(hourOfDay); setCurrentMinute(minute); - }//实现函数功能——设置当前的时间，参数是各详细的变量 + } /** * Get current year * * @return The current year */ - //下面是得到year、month、day等值 public int getCurrentYear() { return mDate.get(Calendar.YEAR); } @@ -468,7 +446,7 @@ public class DateTimePicker extends FrameLayout { mDateSpinner.setDisplayedValues(mDateDisplayValues); mDateSpinner.setValue(DAYS_IN_ALL_WEEK / 2); mDateSpinner.invalidate(); - }// 对于星期几的算法 + } private void updateAmPmControl() { if (mIs24HourView) { @@ -477,7 +455,7 @@ public class DateTimePicker extends FrameLayout { int index = mIsAm ? Calendar.AM : Calendar.PM; mAmPmSpinner.setValue(index); mAmPmSpinner.setVisibility(View.VISIBLE); - }// 对于上下午操作的算法 + } } private void updateHourControl() { @@ -487,7 +465,7 @@ public class DateTimePicker extends FrameLayout { } else { mHourSpinner.setMinValue(HOUR_SPINNER_MIN_VAL_12_HOUR_VIEW); mHourSpinner.setMaxValue(HOUR_SPINNER_MAX_VAL_12_HOUR_VIEW); - }// 对与小时的算法 + } } /** @@ -504,4 +482,4 @@ public class DateTimePicker extends FrameLayout { getCurrentMonth(), getCurrentDay(), getCurrentHourOfDay(), getCurrentMinute()); } } -} \ No newline at end of file +} diff --git a/MiNote/src/net/micode/notes/ui/DateTimePickerDialog.java b/MiNote/src/net/micode/notes/ui/DateTimePickerDialog.java index c5689bd..2c47ba4 100644 --- a/MiNote/src/net/micode/notes/ui/DateTimePickerDialog.java +++ b/MiNote/src/net/micode/notes/ui/DateTimePickerDialog.java @@ -32,47 +32,35 @@ import android.text.format.DateUtils; public class DateTimePickerDialog extends AlertDialog implements OnClickListener { private Calendar mDate = Calendar.getInstance(); - //创建一个Calendar类型的变量 mDate，方便时间的操作 private boolean mIs24HourView; private OnDateTimeSetListener mOnDateTimeSetListener; - //声明一个时间日期滚动选择控件 mOnDateTimeSetListener private DateTimePicker mDateTimePicker; - //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 public interface OnDateTimeSetListener { void OnDateTimeSet(AlertDialog dialog, long date); } 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()); } }); mDate.setTimeInMillis(date); - //得到系统时间 mDate.set(Calendar.SECOND, 0); - //将秒数设置为0 mDateTimePicker.setCurrentDate(mDate.getTimeInMillis()); setButton(context.getString(R.string.datetime_dialog_ok), this); setButton2(context.getString(R.string.datetime_dialog_cancel), (OnClickListener)null); - //设置按钮 set24HourView(DateFormat.is24HourFormat(this.getContext())); - //时间标准化打印 updateTitle(mDate.getTimeInMillis()); } @@ -82,22 +70,21 @@ public class DateTimePickerDialog extends AlertDialog implements OnClickListener public void setOnDateTimeSetListener(OnDateTimeSetListener callBack) { mOnDateTimeSetListener = callBack; - }//将时间日期滚动选择控件实例化 + } private void updateTitle(long date) { int flag = - DateUtils.FORMAT_SHOW_YEAR | - DateUtils.FORMAT_SHOW_DATE | - DateUtils.FORMAT_SHOW_TIME; + DateUtils.FORMAT_SHOW_YEAR | + DateUtils.FORMAT_SHOW_DATE | + DateUtils.FORMAT_SHOW_TIME; flag |= mIs24HourView ? DateUtils.FORMAT_24HOUR : DateUtils.FORMAT_24HOUR; setTitle(DateUtils.formatDateTime(this.getContext(), date, flag)); - }//android开发中常见日期管理工具类（API）——DateUtils：按照上下午显示时间 + } public void onClick(DialogInterface arg0, int arg1) { if (mOnDateTimeSetListener != null) { mOnDateTimeSetListener.OnDateTimeSet(this, mDate.getTimeInMillis()); } - }//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 + } -}} \ No newline at end of file +} \ No newline at end of file diff --git a/MiNote/src/net/micode/notes/ui/DropdownMenu.java b/MiNote/src/net/micode/notes/ui/DropdownMenu.java index 0c4b307..613dc74 100644 --- a/MiNote/src/net/micode/notes/ui/DropdownMenu.java +++ b/MiNote/src/net/micode/notes/ui/DropdownMenu.java @@ -30,18 +30,14 @@ import net.micode.notes.R; public class DropdownMenu { private Button mButton; private PopupMenu mPopupMenu; - //声明一个下拉菜单 private Menu mMenu; public DropdownMenu(Context context, Button button, int menuId) { mButton = button; mButton.setBackgroundResource(R.drawable.dropdown_icon); - //设置这个view的背景 mPopupMenu = new PopupMenu(context, mButton); mMenu = mPopupMenu.getMenu(); mPopupMenu.getMenuInflater().inflate(menuId, mMenu); - //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 mButton.setOnClickListener(new OnClickListener() { public void onClick(View v) { mPopupMenu.show(); @@ -52,14 +48,14 @@ public class DropdownMenu { public void setOnDropdownMenuItemClickListener(OnMenuItemClickListener listener) { if (mPopupMenu != null) { mPopupMenu.setOnMenuItemClickListener(listener); - }//设置菜单的监听 + } } public MenuItem findItem(int id) { return mMenu.findItem(id); - }//对于菜单选项的初始化，根据索引搜索菜单需要的选项 + } public void setTitle(CharSequence title) { mButton.setText(title); - }//布局文件，设置标题 -} \ No newline at end of file + } +} diff --git a/MiNote/src/net/micode/notes/ui/FoldersListAdapter.java b/MiNote/src/net/micode/notes/ui/FoldersListAdapter.java index 5e32e6d..96b77da 100644 --- a/MiNote/src/net/micode/notes/ui/FoldersListAdapter.java +++ b/MiNote/src/net/micode/notes/ui/FoldersListAdapter.java @@ -30,14 +30,10 @@ import net.micode.notes.data.Notes.NoteColumns; public class FoldersListAdapter extends CursorAdapter { - //CursorAdapter是Cursor和ListView的接口 - //FoldersListAdapter继承了CursorAdapter的类 - //主要作用是便签数据库和用户的交互 - //这里就是用folder（文件夹）的形式展现给用户 public static final String [] PROJECTION = { - NoteColumns.ID, - NoteColumns.SNIPPET - };//调用数据库中便签的ID和片段 + NoteColumns.ID, + NoteColumns.SNIPPET + }; public static final int ID_COLUMN = 0; public static final int NAME_COLUMN = 1; @@ -45,13 +41,12 @@ public class FoldersListAdapter extends CursorAdapter { public FoldersListAdapter(Context context, Cursor c) { super(context, c); // TODO Auto-generated constructor stub - }//数据库操作 + } @Override public View newView(Context context, Cursor cursor, ViewGroup parent) { - //ViewGroup是容器 return new FolderListItem(context); - }//创建一个文件夹，对于各文件夹中子标签的初始化 + } @Override public void bindView(View view, Context context, Cursor cursor) { @@ -60,22 +55,20 @@ public class FoldersListAdapter extends CursorAdapter { .getString(R.string.menu_move_parent_folder) : cursor.getString(NAME_COLUMN); ((FolderListItem) view).bind(folderName); } - }//将各个布局文件绑定起来 + } public String getFolderName(Context context, int position) { Cursor cursor = (Cursor) getItem(position); return (cursor.getLong(ID_COLUMN) == Notes.ID_ROOT_FOLDER) ? context .getString(R.string.menu_move_parent_folder) : cursor.getString(NAME_COLUMN); - }//根据数据库中标签的ID得到标签的各项内容 + } private class FolderListItem extends LinearLayout { private TextView mName; public FolderListItem(Context context) { super(context); - //操作数据库 inflate(context, R.layout.folder_list_item, this); - //根据布局文件的名字等信息将其找出来 mName = (TextView) findViewById(R.id.tv_folder_name); } @@ -84,4 +77,4 @@ public class FoldersListAdapter extends CursorAdapter { } } -} \ No newline at end of file +} diff --git a/MiNote/src/net/micode/notes/ui/NoteEditActivity.java b/MiNote/src/net/micode/notes/ui/NoteEditActivity.java index db1fc20..96a9ff8 100644 --- a/MiNote/src/net/micode/notes/ui/NoteEditActivity.java +++ b/MiNote/src/net/micode/notes/ui/NoteEditActivity.java @@ -74,8 +74,6 @@ import java.util.regex.Pattern; public class NoteEditActivity extends Activity implements OnClickListener, NoteSettingChangedListener, OnTextViewChangeListener { - //该类主要是针对标签的编辑 - //继承了系统内部许多和监听有关的类 private class HeadViewHolder { public TextView tvModified; @@ -85,7 +83,7 @@ public class NoteEditActivity extends Activity implements OnClickListener, public ImageView ibSetBgColor; } - //使用Map实现数据存储 + private static final Map sBgSelectorBtnsMap = new HashMap(); static { sBgSelectorBtnsMap.put(R.id.iv_bg_yellow, ResourceParser.YELLOW); @@ -93,7 +91,6 @@ public class NoteEditActivity extends Activity implements OnClickListener, sBgSelectorBtnsMap.put(R.id.iv_bg_blue, ResourceParser.BLUE); sBgSelectorBtnsMap.put(R.id.iv_bg_green, ResourceParser.GREEN); sBgSelectorBtnsMap.put(R.id.iv_bg_white, ResourceParser.WHITE); - //put函数是将指定值和指定键相连 } private static final Map sBgSelectorSelectionMap = new HashMap(); @@ -103,7 +100,6 @@ public class NoteEditActivity extends Activity implements OnClickListener, sBgSelectorSelectionMap.put(ResourceParser.BLUE, R.id.iv_bg_blue_select); sBgSelectorSelectionMap.put(ResourceParser.GREEN, R.id.iv_bg_green_select); sBgSelectorSelectionMap.put(ResourceParser.WHITE, R.id.iv_bg_white_select); - //put函数是将指定值和指定键相连 } private static final Map sFontSizeBtnsMap = new HashMap(); @@ -112,7 +108,6 @@ public class NoteEditActivity extends Activity implements OnClickListener, sFontSizeBtnsMap.put(R.id.ll_font_small, ResourceParser.TEXT_SMALL); sFontSizeBtnsMap.put(R.id.ll_font_normal, ResourceParser.TEXT_MEDIUM); sFontSizeBtnsMap.put(R.id.ll_font_super, ResourceParser.TEXT_SUPER); - //put函数是将指定值和指定键相连 } private static final Map sFontSelectorSelectionMap = new HashMap(); @@ -121,7 +116,6 @@ public class NoteEditActivity extends Activity implements OnClickListener, sFontSelectorSelectionMap.put(ResourceParser.TEXT_SMALL, R.id.iv_small_select); sFontSelectorSelectionMap.put(ResourceParser.TEXT_MEDIUM, R.id.iv_medium_select); sFontSelectorSelectionMap.put(ResourceParser.TEXT_SUPER, R.id.iv_super_select); - //put函数是将指定值和指定键相连 } private static final String TAG = "NoteEditActivity"; @@ -129,23 +123,20 @@ public class NoteEditActivity extends Activity implements OnClickListener, private HeadViewHolder mNoteHeaderHolder; private View mHeadViewPanel; - //私有化一个界面操作mHeadViewPanel，对表头的操作 + private View mNoteBgColorSelector; - //私有化一个界面操作mNoteBgColorSelector，对背景颜色的操作 + private View mFontSizeSelector; - //私有化一个界面操作mFontSizeSelector，对标签字体的操作 + private EditText mNoteEditor; - //声明编辑控件，对文本操作 + private View mNoteEditorPanel; - //私有化一个界面操作mNoteEditorPanel，文本编辑的控制板 - //private WorkingNote mWorkingNote; - public WorkingNote mWorkingNote; - //对模板WorkingNote的初始化 + + private WorkingNote mWorkingNote; + private SharedPreferences mSharedPrefs; - //私有化SharedPreferences的数据存储方式 - //它的本质是基于XML文件存储key-value键值对数据 private int mFontSizeId; - //用于操作字体的大小 + private static final String PREFERENCE_FONT_SIZE = "pref_font_size"; private static final int SHORTCUT_ICON_TITLE_MAX_LEN = 10; @@ -154,7 +145,7 @@ public class NoteEditActivity extends Activity implements OnClickListener, public static final String TAG_UNCHECKED = String.valueOf('\u25A1'); private LinearLayout mEditTextList; - //线性布局 + private String mUserQuery; private Pattern mPattern; @@ -162,7 +153,7 @@ public class NoteEditActivity extends Activity implements OnClickListener, protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); this.setContentView(R.layout.note_edit); - //对数据库的访问操作 + if (savedInstanceState == null && !initActivityState(getIntent())) { finish(); return; @@ -185,7 +176,7 @@ public class NoteEditActivity extends Activity implements OnClickListener, return; } Log.d(TAG, "Restoring from killed activity"); - }//为防止内存不足时程序的终止，在这里有一个保存现场的函数 + } } private boolean initActivityState(Intent intent) { @@ -197,42 +188,34 @@ public class NoteEditActivity extends Activity implements OnClickListener, if (TextUtils.equals(Intent.ACTION_VIEW, intent.getAction())) { long noteId = intent.getLongExtra(Intent.EXTRA_UID, 0); mUserQuery = ""; - //如果用户实例化标签时，系统并未给出标签ID + /** * Starting from the searched result */ - //根据键值查找ID if (intent.hasExtra(SearchManager.EXTRA_DATA_KEY)) { noteId = Long.parseLong(intent.getStringExtra(SearchManager.EXTRA_DATA_KEY)); mUserQuery = intent.getStringExtra(SearchManager.USER_QUERY); } - //如果ID在数据库中未找到 + if (!DataUtils.visibleInNoteDatabase(getContentResolver(), noteId, Notes.TYPE_NOTE)) { Intent jump = new Intent(this, NotesListActivity.class); startActivity(jump); - //程序将跳转到上面声明的intent——jump showToast(R.string.error_note_not_exist); finish(); return false; - } - //ID在数据库中找到 - else { + } else { mWorkingNote = WorkingNote.load(this, noteId); if (mWorkingNote == null) { Log.e(TAG, "load note failed with note id" + noteId); - //打印出红色的错误信息 finish(); return false; } } - //setSoftInputMode——软键盘输入模式 getWindow().setSoftInputMode( WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN | WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE); } else if(TextUtils.equals(Intent.ACTION_INSERT_OR_EDIT, intent.getAction())) { - // intent.getAction() - // 大多用于broadcast发送广播时给机制（intent）设置一个action，就是一个字符串 - // 用户可以通过receive（接受）intent，通过 getAction得到的字符串，来决定做什么 + // New note long folderId = intent.getLongExtra(Notes.INTENT_EXTRA_FOLDER_ID, 0); int widgetId = intent.getIntExtra(Notes.INTENT_EXTRA_WIDGET_ID, AppWidgetManager.INVALID_APPWIDGET_ID); @@ -240,7 +223,7 @@ public class NoteEditActivity extends Activity implements OnClickListener, Notes.TYPE_WIDGET_INVALIDE); int bgResId = intent.getIntExtra(Notes.INTENT_EXTRA_BACKGROUND_ID, ResourceParser.getDefaultBgId(this)); - // intent.getInt（Long、String）Extra是对各变量的语法分析 + // Parse call-record note String phoneNumber = intent.getStringExtra(Intent.EXTRA_PHONE_NUMBER); long callDate = intent.getLongExtra(Notes.INTENT_EXTRA_CALL_DATE, 0); @@ -257,17 +240,15 @@ public class NoteEditActivity extends Activity implements OnClickListener, finish(); return false; } - //将电话号码与手机的号码簿相关 } else { mWorkingNote = WorkingNote.createEmptyNote(this, folderId, widgetId, widgetType, bgResId); mWorkingNote.convertToCallNote(phoneNumber, callDate); - // } } else { mWorkingNote = WorkingNote.createEmptyNote(this, folderId, widgetId, widgetType, bgResId); - }//创建一个新的WorkingNote + } getWindow().setSoftInputMode( WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE @@ -288,10 +269,8 @@ public class NoteEditActivity extends Activity implements OnClickListener, } private void initNoteScreen() { - //对界面的初始化操作 mNoteEditor.setTextAppearance(this, TextAppearanceResources .getTexAppearanceResource(mFontSizeId)); - //设置外观 if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) { switchToListMode(mWorkingNote.getContent()); } else { @@ -315,21 +294,18 @@ public class NoteEditActivity extends Activity implements OnClickListener, */ showAlertHeader(); } - //设置闹钟的显示 + private void showAlertHeader() { if (mWorkingNote.hasClockAlert()) { long time = System.currentTimeMillis(); if (time > mWorkingNote.getAlertDate()) { mNoteHeaderHolder.tvAlertDate.setText(R.string.note_alert_expired); - } - //如果系统时间大于了闹钟设置的时间，那么闹钟失效 - else { + } else { mNoteHeaderHolder.tvAlertDate.setText(DateUtils.getRelativeTimeSpanString( mWorkingNote.getAlertDate(), time, DateUtils.MINUTE_IN_MILLIS)); } mNoteHeaderHolder.tvAlertDate.setVisibility(View.VISIBLE); mNoteHeaderHolder.ivAlertIcon.setVisibility(View.VISIBLE); - //显示闹钟开启的图标 } else { mNoteHeaderHolder.tvAlertDate.setVisibility(View.GONE); mNoteHeaderHolder.ivAlertIcon.setVisibility(View.GONE); @@ -353,29 +329,26 @@ public class NoteEditActivity extends Activity implements OnClickListener, if (!mWorkingNote.existInDatabase()) { saveNote(); } - //在创建一个新的标签时，先在数据库中匹配 - //如果不存在，那么先在数据库中存储 outState.putLong(Intent.EXTRA_UID, mWorkingNote.getNoteId()); Log.d(TAG, "Save working note id: " + mWorkingNote.getNoteId() + " onSaveInstanceState"); } @Override - //MotionEvent是对屏幕触控的传递机制 public boolean dispatchTouchEvent(MotionEvent ev) { if (mNoteBgColorSelector.getVisibility() == View.VISIBLE && !inRangeOfView(mNoteBgColorSelector, ev)) { mNoteBgColorSelector.setVisibility(View.GONE); return true; - }//颜色选择器在屏幕上可见 + } if (mFontSizeSelector.getVisibility() == View.VISIBLE && !inRangeOfView(mFontSizeSelector, ev)) { mFontSizeSelector.setVisibility(View.GONE); return true; - }//字体大小选择器在屏幕上可见 + } return super.dispatchTouchEvent(ev); } - //对屏幕触控的坐标进行操作 + private boolean inRangeOfView(View view, MotionEvent ev) { int []location = new int[2]; view.getLocationOnScreen(location); @@ -384,11 +357,9 @@ public class NoteEditActivity extends Activity implements OnClickListener, if (ev.getX() < x || ev.getX() > (x + view.getWidth()) || ev.getY() < y - || ev.getY() > (y + view.getHeight())) - //如果触控的位置超出了给定的范围，返回false - { - return false; - } + || ev.getY() > (y + view.getHeight())) { + return false; + } return true; } @@ -406,13 +377,13 @@ public class NoteEditActivity extends Activity implements OnClickListener, for (int id : sBgSelectorBtnsMap.keySet()) { ImageView iv = (ImageView) findViewById(id); iv.setOnClickListener(this); - }//对标签各项属性内容的初始化 + } mFontSizeSelector = findViewById(R.id.font_size_selector); for (int id : sFontSizeBtnsMap.keySet()) { View view = findViewById(id); view.setOnClickListener(this); - };//对字体大小的选择 + }; mSharedPrefs = PreferenceManager.getDefaultSharedPreferences(this); mFontSizeId = mSharedPrefs.getInt(PREFERENCE_FONT_SIZE, ResourceParser.BG_DEFAULT_FONT_SIZE); /** @@ -434,7 +405,7 @@ public class NoteEditActivity extends Activity implements OnClickListener, } clearSettingState(); } - //和桌面小工具的同步 + private void updateWidget() { Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE); if (mWorkingNote.getWidgetType() == Notes.TYPE_WIDGET_2X) { @@ -447,7 +418,7 @@ public class NoteEditActivity extends Activity implements OnClickListener, } intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, new int[] { - mWorkingNote.getWidgetId() + mWorkingNote.getWidgetId() }); sendBroadcast(intent); @@ -479,7 +450,7 @@ public class NoteEditActivity extends Activity implements OnClickListener, } mFontSizeSelector.setVisibility(View.GONE); } - }//************************存在问题 + } @Override public void onBackPressed() { @@ -510,7 +481,6 @@ public class NoteEditActivity extends Activity implements OnClickListener, } @Override - //对选择菜单的准备 public boolean onPrepareOptionsMenu(Menu menu) { if (isFinishing()) { return true; @@ -519,7 +489,6 @@ public class NoteEditActivity extends Activity implements OnClickListener, menu.clear(); if (mWorkingNote.getFolderId() == Notes.ID_CALL_RECORD_FOLDER) { getMenuInflater().inflate(R.menu.call_note_edit, menu); - // MenuInflater是用来实例化Menu目录下的Menu布局文件的 } else { getMenuInflater().inflate(R.menu.note_edit, menu); } @@ -537,71 +506,45 @@ public class NoteEditActivity extends Activity implements OnClickListener, } @Override - /* - * 函数功能：动态改变菜单选项内容 - * 函数实现：如下注释 - */ public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { - //根据菜单的id来编剧相关项目 case R.id.menu_new_note: - //创建一个新的便签 createNewNote(); break; case R.id.menu_delete: - //删除便签 AlertDialog.Builder builder = new AlertDialog.Builder(this); - //创建关于删除操作的对话框 builder.setTitle(getString(R.string.alert_title_delete)); - // 设置标签的标题为alert_title_delete builder.setIcon(android.R.drawable.ic_dialog_alert); - //设置对话框图标 builder.setMessage(getString(R.string.alert_message_delete_note)); - //设置对话框内容 builder.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() { - //建立按键监听器 public void onClick(DialogInterface dialog, int which) { - //点击所触发事件 deleteCurrentNote(); - // 删除单签便签 finish(); } }); - //添加“YES”按钮 builder.setNegativeButton(android.R.string.cancel, null); - //添加“NO”的按钮 builder.show(); - //显示对话框 break; case R.id.menu_font_size: - //字体大小的编辑 mFontSizeSelector.setVisibility(View.VISIBLE); - // 将字体选择器置为可见 findViewById(sFontSelectorSelectionMap.get(mFontSizeId)).setVisibility(View.VISIBLE); - // 通过id找到相应的大小 break; case R.id.menu_list_mode: - //选择列表模式 mWorkingNote.setCheckListMode(mWorkingNote.getCheckListMode() == 0 ? TextNote.MODE_CHECK_LIST : 0); break; case R.id.menu_share: - //菜单共享 getWorkingText(); sendTo(this, mWorkingNote.getContent()); - // 用sendto函数将运行文本发送到遍历的本文内 break; case R.id.menu_send_to_desktop: - //发送到桌面 sendToDesktop(); break; case R.id.menu_alert: - //创建提醒器 setReminder(); break; case R.id.menu_delete_remind: - //删除日期提醒 mWorkingNote.setAlertDate(0, false); break; default: @@ -610,170 +553,111 @@ public class NoteEditActivity extends Activity implements OnClickListener, return true; } - /* - * 函数功能：建立事件提醒器 - * 函数实现：如下注释 - */ private void setReminder() { DateTimePickerDialog d = new DateTimePickerDialog(this, System.currentTimeMillis()); - // 建立修改时间日期的对话框 d.setOnDateTimeSetListener(new OnDateTimeSetListener() { public void OnDateTimeSet(AlertDialog dialog, long date) { mWorkingNote.setAlertDate(date , true); - //选择提醒的日期 } }); - //建立时间日期的监听器 d.show(); - //显示对话框 } /** * Share note to apps that support {@link Intent#ACTION_SEND} action * and {@text/plain} type */ - /* - * 函数功能：共享便签 - * 函数实现：如下注释 - */ private void sendTo(Context context, String info) { Intent intent = new Intent(Intent.ACTION_SEND); - //建立intent链接选项 intent.putExtra(Intent.EXTRA_TEXT, info); - //将需要传递的便签信息放入text文件中 intent.setType("text/plain"); - //编辑连接器的类型 context.startActivity(intent); - //在acti中进行链接 } - /* - * 函数功能：创建一个新的便签 - * 函数实现：如下注释 - */ private void createNewNote() { // Firstly, save current editing notes - //保存当前便签 saveNote(); // For safety, start a new NoteEditActivity finish(); Intent intent = new Intent(this, NoteEditActivity.class); - //设置链接器 intent.setAction(Intent.ACTION_INSERT_OR_EDIT); - //该活动定义为创建或编辑 intent.putExtra(Notes.INTENT_EXTRA_FOLDER_ID, mWorkingNote.getFolderId()); - //将运行便签的id添加到INTENT_EXTRA_FOLDER_ID标记中 startActivity(intent); - //开始activity并链接 } - /* - * 函数功能：删除当前便签 - * 函数实现：如下注释 - */ private void deleteCurrentNote() { if (mWorkingNote.existInDatabase()) { - //假如当前运行的便签内存有数据 HashSet ids = new HashSet(); long id = mWorkingNote.getNoteId(); if (id != Notes.ID_ROOT_FOLDER) { ids.add(id); - //如果不是头文件夹建立一个hash表把便签id存起来 } else { Log.d(TAG, "Wrong note id, should not happen"); - //否则报错 } if (!isSyncMode()) { - //在非同步模式情况下 - //删除操作 if (!DataUtils.batchDeleteNotes(getContentResolver(), ids)) { Log.e(TAG, "Delete Note error"); } } else { - //同步模式 - //移动至垃圾文件夹的操作 if (!DataUtils.batchMoveToFolder(getContentResolver(), ids, Notes.ID_TRASH_FOLER)) { Log.e(TAG, "Move notes to trash folder error, should not happens"); } } } mWorkingNote.markDeleted(true); - //将这些标签的删除标记置为true } - /* - * 函数功能：判断是否为同步模式 - * 函数实现：直接看NotesPreferenceActivity中同步名称是否为空 - */ private boolean isSyncMode() { return NotesPreferenceActivity.getSyncAccountName(this).trim().length() > 0; } - /* - * 函数功能：设置提醒时间 - * 函数实现：如下注释 - */ public void onClockAlertChanged(long date, boolean set) { /** * User could set clock to an unsaved note, so before setting the * alert clock, we should save the note first */ if (!mWorkingNote.existInDatabase()) { - //首先保存已有的便签 saveNote(); } if (mWorkingNote.getNoteId() > 0) { Intent intent = new Intent(this, AlarmReceiver.class); intent.setData(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, mWorkingNote.getNoteId())); - //若有有运行的便签就是建立一个链接器将标签id都存在uri中 PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, intent, 0); AlarmManager alarmManager = ((AlarmManager) getSystemService(ALARM_SERVICE)); - //设置提醒管理器 showAlertHeader(); if(!set) { alarmManager.cancel(pendingIntent); } else { alarmManager.set(AlarmManager.RTC_WAKEUP, date, pendingIntent); } - //如果用户设置了时间，就通过提醒管理器设置一个监听事项 } else { /** * There is the condition that user has input nothing (the note is * not worthy saving), we have no note id, remind the user that he * should input something */ - //没有运行的便签就报错 Log.e(TAG, "Clock alert setting error"); showToast(R.string.error_note_empty_for_clock); } } - /* - * 函数功能：Widget发生改变的所触发的事件 - */ public void onWidgetChanged() { - updateWidget();//更新Widget + updateWidget(); } - /* - * 函数功能： 删除编辑文本框所触发的事件 - * 函数实现：如下注释 - */ public void onEditTextDelete(int index, String text) { int childCount = mEditTextList.getChildCount(); if (childCount == 1) { return; } - //没有编辑框的话直接返回 + for (int i = index + 1; i < childCount; i++) { ((NoteEditText) mEditTextList.getChildAt(i).findViewById(R.id.et_edit_text)) .setIndex(i - 1); - //通过id把编辑框存在便签编辑框中 } mEditTextList.removeViewAt(index); - //删除特定位置的视图 NoteEditText edit = null; if(index == 0) { edit = (NoteEditText) mEditTextList.getChildAt(0).findViewById( @@ -782,101 +666,69 @@ public class NoteEditActivity extends Activity implements OnClickListener, edit = (NoteEditText) mEditTextList.getChildAt(index - 1).findViewById( R.id.et_edit_text); } - //通过id把编辑框存在空的NoteEditText中 int length = edit.length(); edit.append(text); - edit.requestFocus();//请求优先完成该此 编辑 - edit.setSelection(length);//定位到length位置处的条目 + edit.requestFocus(); + edit.setSelection(length); } - /* - * 函数功能：进入编辑文本框所触发的事件 - * 函数实现：如下注释 - */ public void onEditTextEnter(int index, String text) { /** * Should not happen, check for debug */ if(index > mEditTextList.getChildCount()) { Log.e(TAG, "Index out of mEditTextList boundrary, should not happen"); - //越界把偶偶 } View view = getListItem(text, index); mEditTextList.addView(view, index); - //建立一个新的视图并添加到编辑文本框内 NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text); - edit.requestFocus();//请求优先操作 - edit.setSelection(0);//定位到起始位置 + edit.requestFocus(); + edit.setSelection(0); for (int i = index + 1; i < mEditTextList.getChildCount(); i++) { ((NoteEditText) mEditTextList.getChildAt(i).findViewById(R.id.et_edit_text)) .setIndex(i); - //遍历子文本框并设置对应对下标 } } - /* - * 函数功能：切换至列表模式 - * 函数实现：如下注释 - */ private void switchToListMode(String text) { mEditTextList.removeAllViews(); String[] items = text.split("\n"); int index = 0; - //清空所有视图，初始化下标 for (String item : items) { if(!TextUtils.isEmpty(item)) { mEditTextList.addView(getListItem(item, index)); index++; - //遍历所有文本单元并添加到文本框中 } } mEditTextList.addView(getListItem("", index)); mEditTextList.getChildAt(index).findViewById(R.id.et_edit_text).requestFocus(); - //优先请求此操作 mNoteEditor.setVisibility(View.GONE); - //便签编辑器不可见 mEditTextList.setVisibility(View.VISIBLE); - //将文本编辑框置为可见 } - /* - * 函数功能：获取高亮效果的反馈情况 - * 函数实现：如下注释 - */ private Spannable getHighlightQueryResult(String fullText, String userQuery) { SpannableString spannable = new SpannableString(fullText == null ? "" : fullText); - //新建一个效果选项 if (!TextUtils.isEmpty(userQuery)) { mPattern = Pattern.compile(userQuery); - //将用户的询问进行解析 Matcher m = mPattern.matcher(fullText); - //建立一个状态机检查Pattern并进行匹配 int start = 0; while (m.find(start)) { spannable.setSpan( new BackgroundColorSpan(this.getResources().getColor( R.color.user_query_highlight)), m.start(), m.end(), Spannable.SPAN_INCLUSIVE_EXCLUSIVE); - //设置背景颜色 start = m.end(); - //跟新起始位置 } } return spannable; } - /* - * 函数功能：获取列表项 - * 函数实现：如下注释 - */ private View getListItem(String item, int index) { View view = LayoutInflater.from(this).inflate(R.layout.note_edit_list_item, null); - //创建一个视图 final NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text); edit.setTextAppearance(this, TextAppearanceResources.getTexAppearanceResource(mFontSizeId)); - //创建一个文本编辑框并设置可见性 CheckBox cb = ((CheckBox) view.findViewById(R.id.cb_edit_item)); cb.setOnCheckedChangeListener(new OnCheckedChangeListener() { public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { @@ -887,15 +739,12 @@ public class NoteEditActivity extends Activity implements OnClickListener, } } }); - //建立一个打钩框并设置监听器 if (item.startsWith(TAG_CHECKED)) { - //选择勾选 cb.setChecked(true); edit.setPaintFlags(edit.getPaintFlags() | Paint.STRIKE_THRU_TEXT_FLAG); item = item.substring(TAG_CHECKED.length(), item.length()).trim(); } else if (item.startsWith(TAG_UNCHECKED)) { - //选择不勾选 cb.setChecked(false); edit.setPaintFlags(Paint.ANTI_ALIAS_FLAG | Paint.DEV_KERN_TEXT_FLAG); item = item.substring(TAG_UNCHECKED.length(), item.length()).trim(); @@ -904,94 +753,61 @@ public class NoteEditActivity extends Activity implements OnClickListener, edit.setOnTextViewChangeListener(this); edit.setIndex(index); edit.setText(getHighlightQueryResult(item, mUserQuery)); - //运行编辑框的监听器对该行为作出反应，并设置下标及文本内容 return view; } - /* - * 函数功能：便签内容发生改变所 触发的事件 - * 函数实现：如下注释 - */ public void onTextChange(int index, boolean hasText) { if (index >= mEditTextList.getChildCount()) { Log.e(TAG, "Wrong index, should not happen"); return; - //越界报错 } if(hasText) { mEditTextList.getChildAt(index).findViewById(R.id.cb_edit_item).setVisibility(View.VISIBLE); } else { mEditTextList.getChildAt(index).findViewById(R.id.cb_edit_item).setVisibility(View.GONE); } - //如果内容不为空则将其子编辑框可见性置为可见，否则不可见 } - /* - * 函数功能：检查模式和列表模式的切换 - * 函数实现：如下注释 - */ public void onCheckListModeChanged(int oldMode, int newMode) { if (newMode == TextNote.MODE_CHECK_LIST) { switchToListMode(mNoteEditor.getText().toString()); - //检查模式切换到列表模式 } else { if (!getWorkingText()) { mWorkingNote.setWorkingText(mWorkingNote.getContent().replace(TAG_UNCHECKED + " ", "")); } - //若是获取到文本就改变其检查标记 mNoteEditor.setText(getHighlightQueryResult(mWorkingNote.getContent(), mUserQuery)); mEditTextList.setVisibility(View.GONE); mNoteEditor.setVisibility(View.VISIBLE); - //修改文本编辑器的内容和可见性 } } - /* - * 函数功能：设置勾选选项表并返回是否勾选的标记 - * 函数实现：如下注释 - */ private boolean getWorkingText() { boolean hasChecked = false; - //初始化check标记 if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) { - // 若模式为CHECK_LIST StringBuilder sb = new StringBuilder(); - //创建可变字符串 for (int i = 0; i < mEditTextList.getChildCount(); i++) { View view = mEditTextList.getChildAt(i); - //遍历所有子编辑框的视图 NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text); if (!TextUtils.isEmpty(edit.getText())) { - //若文本不为空 if (((CheckBox) view.findViewById(R.id.cb_edit_item)).isChecked()) { - //该选项框已打钩 sb.append(TAG_CHECKED).append(" ").append(edit.getText()).append("\n"); hasChecked = true; - //扩展字符串为已打钩并把标记置true } else { sb.append(TAG_UNCHECKED).append(" ").append(edit.getText()).append("\n"); - //扩展字符串添加未打钩 } } } mWorkingNote.setWorkingText(sb.toString()); - //利用编辑好的字符串设置运行便签的内容 } else { mWorkingNote.setWorkingText(mNoteEditor.getText().toString()); - // 若不是该模式直接用编辑器中的内容设置运行中标签的内容 } return hasChecked; } - /* - * 函数功能：保存便签 - * 函数实现：如下注释 - */ private boolean saveNote() { getWorkingText(); boolean saved = mWorkingNote.saveNote(); - //运行 getWorkingText()之后保存 if (saved) { /** * There are two modes from List view to edit view, open one note, @@ -1000,16 +816,11 @@ public class NoteEditActivity extends Activity implements OnClickListener, * new node requires to the top of the list. This code * {@link #RESULT_OK} is used to identify the create/edit state */ - //如英文注释所说链接RESULT_OK是为了识别保存的2种情况，一是创建后保存，二是修改后保存 setResult(RESULT_OK); } return saved; } - /* - * 函数功能：将便签发送至桌面 - * 函数实现：如下注释 - */ private void sendToDesktop() { /** * Before send message to home, we should make sure that current @@ -1018,16 +829,12 @@ public class NoteEditActivity extends Activity implements OnClickListener, */ if (!mWorkingNote.existInDatabase()) { saveNote(); - //若不存在数据也就是新的标签就保存起来先 } if (mWorkingNote.getNoteId() > 0) { - //若是有内容 Intent sender = new Intent(); Intent shortcutIntent = new Intent(this, NoteEditActivity.class); - //建立发送到桌面的连接器 shortcutIntent.setAction(Intent.ACTION_VIEW); - //链接为一个视图 shortcutIntent.putExtra(Intent.EXTRA_UID, mWorkingNote.getNoteId()); sender.putExtra(Intent.EXTRA_SHORTCUT_INTENT, shortcutIntent); sender.putExtra(Intent.EXTRA_SHORTCUT_NAME, @@ -1035,12 +842,9 @@ public class NoteEditActivity extends Activity implements OnClickListener, sender.putExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE, Intent.ShortcutIconResource.fromContext(this, R.drawable.icon_app)); sender.putExtra("duplicate", true); - //将便签的相关信息都添加到要发送的文件里 sender.setAction("com.android.launcher.action.INSTALL_SHORTCUT"); - //设置sneder的行为是发送 showToast(R.string.info_note_enter_desktop); sendBroadcast(sender); - //显示到桌面 } else { /** * There is the condition that user has input nothing (the note is @@ -1049,35 +853,21 @@ public class NoteEditActivity extends Activity implements OnClickListener, */ Log.e(TAG, "Send to desktop error"); showToast(R.string.error_note_empty_for_send_to_desktop); - //空便签直接报错 } } - /* - * 函数功能：编辑小图标的标题 - * 函数实现：如下注释 - */ private String makeShortcutIconTitle(String content) { content = content.replace(TAG_CHECKED, ""); content = content.replace(TAG_UNCHECKED, ""); return content.length() > SHORTCUT_ICON_TITLE_MAX_LEN ? content.substring(0, SHORTCUT_ICON_TITLE_MAX_LEN) : content; - //直接设置为content中的内容并返回，有勾选和未勾选2种 } - /* - * 函数功能：显示提示的视图 - * 函数实现：根据下标显示对应的提示 - */ private void showToast(int resId) { showToast(resId, Toast.LENGTH_SHORT); } - /* - * 函数功能：持续显示提示的视图 - * 函数实现：根据下标和持续的时间（duration）编辑提示视图并显示 - */ private void showToast(int resId, int duration) { Toast.makeText(this, resId, duration).show(); } -} \ No newline at end of file +} diff --git a/MiNote/src/net/micode/notes/ui/NoteItemData.java b/MiNote/src/net/micode/notes/ui/NoteItemData.java index 2a48593..0f5a878 100644 --- a/MiNote/src/net/micode/notes/ui/NoteItemData.java +++ b/MiNote/src/net/micode/notes/ui/NoteItemData.java @@ -28,20 +28,20 @@ import net.micode.notes.tool.DataUtils; public class NoteItemData { static final String [] PROJECTION = new String [] { - NoteColumns.ID, - NoteColumns.ALERTED_DATE, - NoteColumns.BG_COLOR_ID, - NoteColumns.CREATED_DATE, - NoteColumns.HAS_ATTACHMENT, - NoteColumns.MODIFIED_DATE, - NoteColumns.NOTES_COUNT, - NoteColumns.PARENT_ID, - NoteColumns.SNIPPET, - NoteColumns.TYPE, - NoteColumns.WIDGET_ID, - NoteColumns.WIDGET_TYPE, + NoteColumns.ID, + NoteColumns.ALERTED_DATE, + NoteColumns.BG_COLOR_ID, + NoteColumns.CREATED_DATE, + NoteColumns.HAS_ATTACHMENT, + NoteColumns.MODIFIED_DATE, + NoteColumns.NOTES_COUNT, + NoteColumns.PARENT_ID, + NoteColumns.SNIPPET, + NoteColumns.TYPE, + NoteColumns.WIDGET_ID, + NoteColumns.WIDGET_TYPE, }; - //常量标记和数据就不一一标记了，意义翻译基本就知道 + private static final int ID_COLUMN = 0; private static final int ALERTED_DATE_COLUMN = 1; private static final int BG_COLOR_ID_COLUMN = 2; @@ -75,9 +75,8 @@ public class NoteItemData { private boolean mIsOnlyOneItem; private boolean mIsOneNoteFollowingFolder; private boolean mIsMultiNotesFollowingFolder; - //初始化NoteItemData，主要利用光标cursor获取的东西 - public NoteItemData(Context context, Cursor cursor) { - //getxxx为转换格式 + + public NoteItemData(Context context, Cursor cursor) { mId = cursor.getLong(ID_COLUMN); mAlertDate = cursor.getLong(ALERTED_DATE_COLUMN); mBgColorId = cursor.getInt(BG_COLOR_ID_COLUMN); @@ -93,11 +92,10 @@ public class NoteItemData { mWidgetId = cursor.getInt(WIDGET_ID_COLUMN); mWidgetType = cursor.getInt(WIDGET_TYPE_COLUMN); - //初始化电话号码的信息 mPhoneNumber = ""; if (mParentId == Notes.ID_CALL_RECORD_FOLDER) { mPhoneNumber = DataUtils.getCallNumberByNoteId(context.getContentResolver(), mId); - if (!TextUtils.isEmpty(mPhoneNumber)) {//mphonenumber里有符合字符串，则用contart功能连接 + if (!TextUtils.isEmpty(mPhoneNumber)) { mName = Contact.getContact(context, mPhoneNumber); if (mName == null) { mName = mPhoneNumber; @@ -110,35 +108,32 @@ public class NoteItemData { } checkPostion(cursor); } - ///根据鼠标的位置设置标记，和位置 + private void checkPostion(Cursor cursor) { - //初始化几个标记，cursor具体功能笔记中已提到，不一一叙述 mIsLastItem = cursor.isLast() ? true : false; mIsFirstItem = cursor.isFirst() ? true : false; mIsOnlyOneItem = (cursor.getCount() == 1); - //初始化“多重子文件”“单一子文件”2个标记 mIsMultiNotesFollowingFolder = false; mIsOneNoteFollowingFolder = false; - //主要是设置上诉2标记 - if (mType == Notes.TYPE_NOTE && !mIsFirstItem) {//若是note格式并且不是第一个元素 + if (mType == Notes.TYPE_NOTE && !mIsFirstItem) { int position = cursor.getPosition(); - if (cursor.moveToPrevious()) {//获取光标位置后看上一行 + if (cursor.moveToPrevious()) { if (cursor.getInt(TYPE_COLUMN) == Notes.TYPE_FOLDER - || cursor.getInt(TYPE_COLUMN) == Notes.TYPE_SYSTEM) {//若光标满足系统或note格式 + || cursor.getInt(TYPE_COLUMN) == Notes.TYPE_SYSTEM) { if (cursor.getCount() > (position + 1)) { - mIsMultiNotesFollowingFolder = true;//若是数据行数大于但前位置+1则设置成正确 + mIsMultiNotesFollowingFolder = true; } else { - mIsOneNoteFollowingFolder = true;//否则单一文件夹标记为true + mIsOneNoteFollowingFolder = true; } } - if (!cursor.moveToNext()) {//若不能再往下走则报错 + if (!cursor.moveToNext()) { throw new IllegalStateException("cursor move to previous but can't move back"); } } } } - ///以下都是获取标记没什么好说的，不过倒数第二个需要说明下，很具体看下面 + public boolean isOneFollowingFolder() { return mIsOneNoteFollowingFolder; } @@ -219,7 +214,6 @@ public class NoteItemData { return (mAlertDate > 0); } - //若数据父id为保存至文件夹模式的id且满足电话号码单元不为空，则isCallRecord为true public boolean isCallRecord() { return (mParentId == Notes.ID_CALL_RECORD_FOLDER && !TextUtils.isEmpty(mPhoneNumber)); } @@ -227,4 +221,4 @@ public class NoteItemData { public static int getNoteType(Cursor cursor) { return cursor.getInt(TYPE_COLUMN); } -} \ No newline at end of file +} diff --git a/MiNote/src/net/micode/notes/ui/NotesListAdapter.java b/MiNote/src/net/micode/notes/ui/NotesListAdapter.java index 524dd3c..51c9cb9 100644 --- a/MiNote/src/net/micode/notes/ui/NotesListAdapter.java +++ b/MiNote/src/net/micode/notes/ui/NotesListAdapter.java @@ -23,7 +23,6 @@ import android.view.View; import android.view.ViewGroup; import android.widget.CursorAdapter; - import net.micode.notes.data.Notes; import java.util.Collection; @@ -32,94 +31,55 @@ import java.util.HashSet; import java.util.Iterator; -/* - * 功能：直译为便签表连接器，继承了CursorAdapter，它为cursor和ListView提供了连接的桥梁。 - * 所以NotesListAdapter实现的是鼠标和编辑便签链接的桥梁 - */ public class NotesListAdapter extends CursorAdapter { private static final String TAG = "NotesListAdapter"; private Context mContext; private HashMap mSelectedIndex; - private int mNotesCount; //便签数 - private boolean mChoiceMode; //选择模式标记 + private int mNotesCount; + private boolean mChoiceMode; - /* - * 桌面widget的属性，包括编号和类型 - */ public static class AppWidgetAttribute { public int widgetId; public int widgetType; }; - /* - * 函数功能：初始化便签链接器 - * 函数实现：根据传进来的内容设置相关变量 - */ public NotesListAdapter(Context context) { - super(context, null); //父类对象置空 - mSelectedIndex = new HashMap(); //新建选项下标的hash表 + super(context, null); + mSelectedIndex = new HashMap(); mContext = context; mNotesCount = 0; } @Override - /* - * 函数功能：新建一个视图来存储光标所指向的数据 - * 函数实现：使用兄弟类NotesListItem新建一个项目选项 - */ public View newView(Context context, Cursor cursor, ViewGroup parent) { return new NotesListItem(context); } - /* - * 函数功能：将已经存在的视图和鼠标指向的数据进行捆绑 - * 函数实现：如下注释 - */ @Override public void bindView(View view, Context context, Cursor cursor) { if (view instanceof NotesListItem) { - //若view是NotesListItem的一个实例 NoteItemData itemData = new NoteItemData(context, cursor); ((NotesListItem) view).bind(context, itemData, mChoiceMode, isSelectedItem(cursor.getPosition())); - //则新建一个项目选项并且用bind跟将view和鼠标，内容，便签数据捆绑在一起 } } - /* - * 函数功能：设置勾选框 - * 函数实现：如下注释 - */ public void setCheckedItem(final int position, final boolean checked) { mSelectedIndex.put(position, checked); - //根据定位和是否勾选设置下标 notifyDataSetChanged(); - //在修改后刷新activity } - /* - * 函数功能：判断单选按钮是否勾选 - */ public boolean isInChoiceMode() { return mChoiceMode; } - /* - * 函数功能：设置单项选项框 - * 函数实现：重置下标并且根据参数mode设置选项 - */ public void setChoiceMode(boolean mode) { mSelectedIndex.clear(); mChoiceMode = mode; } - /* - * 函数功能：选择全部选项 - * 函数实现：如下注释 - */ public void selectAll(boolean checked) { Cursor cursor = getCursor(); - //获取光标位置 for (int i = 0; i < getCount(); i++) { if (cursor.moveToPosition(i)) { if (NoteItemData.getNoteType(cursor) == Notes.TYPE_NOTE) { @@ -127,47 +87,30 @@ public class NotesListAdapter extends CursorAdapter { } } } - //遍历所有光标可用的位置在判断为便签类型之后勾选单项框 } - /* - * 函数功能：建立选择项的下标列表 - * 函数实现：如下注释 - */ public HashSet getSelectedItemIds() { HashSet itemSet = new HashSet(); - //建立hash表 for (Integer position : mSelectedIndex.keySet()) { - //遍历所有的关键 if (mSelectedIndex.get(position) == true) { - //若光标位置可用 Long id = getItemId(position); if (id == Notes.ID_ROOT_FOLDER) { - //原文件不需要添加 Log.d(TAG, "Wrong item id, should not happen"); } else { itemSet.add(id); } - //则将id该下标假如选项集合中 - } } return itemSet; } - /* - * 函数功能：建立桌面Widget的选项表 - * 函数实现：如下注释 - */ public HashSet getSelectedWidget() { HashSet itemSet = new HashSet(); for (Integer position : mSelectedIndex.keySet()) { if (mSelectedIndex.get(position) == true) { Cursor c = (Cursor) getItem(position); - //以上4句和getSelectedItemIds一样，不再重复 if (c != null) { - //光标位置可用的话就建立新的Widget属性并编辑下标和类型，最后添加到选项集中 AppWidgetAttribute widget = new AppWidgetAttribute(); NoteItemData item = new NoteItemData(mContext, c); widget.widgetId = item.getWidgetId(); @@ -185,42 +128,26 @@ public class NotesListAdapter extends CursorAdapter { return itemSet; } - /* - * 函数功能：获取选项个数 - * 函数实现：如下注释 - */ public int getSelectedCount() { Collection values = mSelectedIndex.values(); - //首先获取选项下标的值 if (null == values) { return 0; } Iterator iter = values.iterator(); - //初始化叠加器 int count = 0; while (iter.hasNext()) { if (true == iter.next()) { - //若value值为真计数+1 count++; } } return count; } - /* - * 函数功能：判断是否全部选中 - * 函数实现：如下注释 - */ public boolean isAllSelected() { int checkedCount = getSelectedCount(); return (checkedCount != 0 && checkedCount == mNotesCount); - //获取选项数看是否等于便签的个数 } - /* - * 函数功能：判断是否为选项表 - * 函数实现：通过传递的下标来确定 - */ public boolean isSelectedItem(final int position) { if (null == mSelectedIndex.get(position)) { return false; @@ -229,45 +156,29 @@ public class NotesListAdapter extends CursorAdapter { } @Override - /* - * 函数功能：在activity内容发生局部变动的时候回调该函数计算便签的数量 - * 函数实现：如下注释 - */ protected void onContentChanged() { super.onContentChanged(); - //执行基类函数 calcNotesCount(); } @Override - /* - * 函数功能：在activity光标发生局部变动的时候回调该函数计算便签的数量 - */ public void changeCursor(Cursor cursor) { super.changeCursor(cursor); - //执行基类函数 calcNotesCount(); } - /* - * 函数功能：计算便签数量 - * - */ private void calcNotesCount() { mNotesCount = 0; for (int i = 0; i < getCount(); i++) { - //获取总数同时遍历 Cursor c = (Cursor) getItem(i); if (c != null) { if (NoteItemData.getNoteType(c) == Notes.TYPE_NOTE) { mNotesCount++; - //若该位置不为空并且文本类型为便签就+1 } } else { Log.e(TAG, "Invalid cursor"); return; } - //否则报错 } } -} \ No newline at end of file +} diff --git a/MiNote/src/net/micode/notes/ui/NotesListItem.java b/MiNote/src/net/micode/notes/ui/NotesListItem.java index 81c356a..1221e80 100644 --- a/MiNote/src/net/micode/notes/ui/NotesListItem.java +++ b/MiNote/src/net/micode/notes/ui/NotesListItem.java @@ -30,43 +30,37 @@ import net.micode.notes.tool.DataUtils; import net.micode.notes.tool.ResourceParser.NoteItemBgResources; -//创建便签列表项目选项 public class NotesListItem extends LinearLayout { - private ImageView mAlert;//闹钟图片 - private TextView mTitle; //标题 - private TextView mTime; //时间 - private TextView mCallName; // - private NoteItemData mItemData; //标签数据 - private CheckBox mCheckBox; //打钩框 + private ImageView mAlert; + private TextView mTitle; + private TextView mTime; + private TextView mCallName; + private NoteItemData mItemData; + private CheckBox mCheckBox; - /*初始化基本信息*/ public NotesListItem(Context context) { - super(context); //super()它的主要作用是调整调用父类构造函数的顺序 - inflate(context, R.layout.note_item, this);//Inflate可用于将一个xml中定义的布局控件找出来,这里的xml是r。layout - //findViewById用于从contentView中查找指定ID的View，转换出来的形式根据需要而定; + super(context); + inflate(context, R.layout.note_item, this); mAlert = (ImageView) findViewById(R.id.iv_alert_icon); mTitle = (TextView) findViewById(R.id.tv_title); mTime = (TextView) findViewById(R.id.tv_time); mCallName = (TextView) findViewById(R.id.tv_name); mCheckBox = (CheckBox) findViewById(android.R.id.checkbox); } - ///根据data的属性对各个控件的属性的控制，主要是可见性Visibility，内容setText，格式setTextAppearance + public void bind(Context context, NoteItemData data, boolean choiceMode, boolean checked) { if (choiceMode && data.getType() == Notes.TYPE_NOTE) { - mCheckBox.setVisibility(View.VISIBLE); ///设置可见行为可见 - mCheckBox.setChecked(checked); ///格子打钩 + mCheckBox.setVisibility(View.VISIBLE); + mCheckBox.setChecked(checked); } else { mCheckBox.setVisibility(View.GONE); } mItemData = data; - ///设置控件属性，一共三种情况，由data的id和父id是否与保存到文件夹的id一致来决定 if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) { mCallName.setVisibility(View.GONE); mAlert.setVisibility(View.VISIBLE); - //设置该textview的style mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem); - //settext为设置内容 mTitle.setText(context.getString(R.string.call_record_folder_name) + context.getString(R.string.format_folder_files_count, data.getNotesCount())); mAlert.setImageResource(R.drawable.call_record); @@ -75,9 +69,8 @@ public class NotesListItem extends LinearLayout { mCallName.setText(data.getCallName()); mTitle.setTextAppearance(context,R.style.TextAppearanceSecondaryItem); mTitle.setText(DataUtils.getFormattedSnippet(data.getSnippet())); - ///关于闹钟的设置 if (data.hasAlert()) { - mAlert.setImageResource(R.drawable.clock);//图片来源的设置 + mAlert.setImageResource(R.drawable.clock); mAlert.setVisibility(View.VISIBLE); } else { mAlert.setVisibility(View.GONE); @@ -85,48 +78,45 @@ public class NotesListItem extends LinearLayout { } else { mCallName.setVisibility(View.GONE); mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem); - ///设置title格式 + if (data.getType() == Notes.TYPE_FOLDER) { mTitle.setText(data.getSnippet() + context.getString(R.string.format_folder_files_count, - data.getNotesCount())); + data.getNotesCount())); mAlert.setVisibility(View.GONE); } else { mTitle.setText(DataUtils.getFormattedSnippet(data.getSnippet())); if (data.hasAlert()) { - mAlert.setImageResource(R.drawable.clock);///设置图片来源 + mAlert.setImageResource(R.drawable.clock); mAlert.setVisibility(View.VISIBLE); } else { mAlert.setVisibility(View.GONE); } } } - ///设置内容，获取相关时间，从data里编辑的日期中获取 - mTime. setText(DateUtils.getRelativeTimeSpanString(data.getModifiedDate())); + mTime.setText(DateUtils.getRelativeTimeSpanString(data.getModifiedDate())); setBackground(data); } - //根据data的文件属性来设置背景 + private void setBackground(NoteItemData data) { int id = data.getBgColorId(); - //，若是note型文件，则4种情况，对于4种不同情况的背景来源 if (data.getType() == Notes.TYPE_NOTE) { - //单个数据并且只有一个子文件夹 if (data.isSingle() || data.isOneFollowingFolder()) { setBackgroundResource(NoteItemBgResources.getNoteBgSingleRes(id)); - } else if (data.isLast()) {//是最后一个数据 + } else if (data.isLast()) { setBackgroundResource(NoteItemBgResources.getNoteBgLastRes(id)); - } else if (data.isFirst() || data.isMultiFollowingFolder()) {//是一个数据并有多个子文件夹 + } else if (data.isFirst() || data.isMultiFollowingFolder()) { setBackgroundResource(NoteItemBgResources.getNoteBgFirstRes(id)); } else { setBackgroundResource(NoteItemBgResources.getNoteBgNormalRes(id)); } } else { - //若不是note直接调用文件夹的背景来源 setBackgroundResource(NoteItemBgResources.getFolderBgRes()); } } + public NoteItemData getItemData() { return mItemData; } -} \ No newline at end of file +} diff --git a/MiNote/src/net/micode/notes/ui/NotesPreferenceActivity.java b/MiNote/src/net/micode/notes/ui/NotesPreferenceActivity.java index 7c9e2ef..07c5f7e 100644 --- a/MiNote/src/net/micode/notes/ui/NotesPreferenceActivity.java +++ b/MiNote/src/net/micode/notes/ui/NotesPreferenceActivity.java @@ -47,92 +47,66 @@ import net.micode.notes.data.Notes; import net.micode.notes.data.Notes.NoteColumns; import net.micode.notes.gtask.remote.GTaskSyncService; -/* - *该类功能：NotesPreferenceActivity，在小米便签中主要实现的是对背景颜色和字体大小的数据储存。 - * 继承了PreferenceActivity主要功能为对系统信息和配置进行自动保存的Activity - */ + public class NotesPreferenceActivity extends PreferenceActivity { public static final String PREFERENCE_NAME = "notes_preferences"; - //优先名 + public static final String PREFERENCE_SYNC_ACCOUNT_NAME = "pref_key_account_name"; - //同步账号 + public static final String PREFERENCE_LAST_SYNC_TIME = "pref_last_sync_time"; - //同步时间 + public static final String PREFERENCE_SET_BG_COLOR_KEY = "pref_key_bg_random_appear"; private static final String PREFERENCE_SYNC_ACCOUNT_KEY = "pref_sync_account_key"; - //同步密码 + private static final String AUTHORITIES_FILTER_KEY = "authorities"; - //本地密码 + private PreferenceCategory mAccountCategory; - //账户分组 + private GTaskReceiver mReceiver; - //同步任务接收器 + private Account[] mOriAccounts; - //账户 + private boolean mHasAddedAccount; - //账户的hash标记 @Override - /* - *函数功能：创建一个activity，在函数里要完成所有的正常静态设置 - *参数：Bundle icicle：存放了 activity 当前的状态 - *函数实现：如下注释 - */ protected void onCreate(Bundle icicle) { - //先执行父类的创建函数 super.onCreate(icicle); /* using the app icon for navigation */ getActionBar().setDisplayHomeAsUpEnabled(true); - //给左上角图标的左边加上一个返回的图标 addPreferencesFromResource(R.xml.preferences); - //添加xml来源并显示 xml mAccountCategory = (PreferenceCategory) findPreference(PREFERENCE_SYNC_ACCOUNT_KEY); - //根据同步账户关键码来初始化分组 mReceiver = new GTaskReceiver(); IntentFilter filter = new IntentFilter(); filter.addAction(GTaskSyncService.GTASK_SERVICE_BROADCAST_NAME); registerReceiver(mReceiver, filter); - //初始化同步组件 mOriAccounts = null; View header = LayoutInflater.from(this).inflate(R.layout.settings_header, null); - //获取listvivew，ListView的作用:用于列出所有选择 getListView().addHeaderView(header, null, true); - //在listview组件上方添加其他组件 } @Override - /* - * 函数功能：activity交互功能的实现，用于接受用户的输入 - * 函数实现：如下注释 - */ protected void onResume() { - //先执行父类 的交互实现 super.onResume(); // need to set sync account automatically if user has added a new // account if (mHasAddedAccount) { - //若用户新加了账户则自动设置同步账户 Account[] accounts = getGoogleAccounts(); - //获取google同步账户 if (mOriAccounts != null && accounts.length > mOriAccounts.length) { - //若原账户不为空且当前账户有增加 for (Account accountNew : accounts) { boolean found = false; for (Account accountOld : mOriAccounts) { if (TextUtils.equals(accountOld.name, accountNew.name)) { - //更新账户 found = true; break; } } if (!found) { setSyncAccount(accountNew.name); - //若是没有找到旧的账户，那么同步账号中就只添加新账户 break; } } @@ -140,52 +114,35 @@ public class NotesPreferenceActivity extends PreferenceActivity { } refreshUI(); - //刷新标签界面 } @Override - /* - * 函数功能：销毁一个activity - * 函数实现：如下注释 - */ protected void onDestroy() { if (mReceiver != null) { unregisterReceiver(mReceiver); - //注销接收器 } super.onDestroy(); - //执行父类的销毁动作 } - /* - * 函数功能：重新设置账户信息 - * 函数实现：如下注释 - */ private void loadAccountPreference() { mAccountCategory.removeAll(); - //销毁所有的分组 + Preference accountPref = new Preference(this); - //建立首选项 final String defaultAccount = getSyncAccountName(this); accountPref.setTitle(getString(R.string.preferences_account_title)); accountPref.setSummary(getString(R.string.preferences_account_summary)); - //设置首选项的大标题和小标题 accountPref.setOnPreferenceClickListener(new OnPreferenceClickListener() { public boolean onPreferenceClick(Preference preference) { - //建立监听器 if (!GTaskSyncService.isSyncing()) { if (TextUtils.isEmpty(defaultAccount)) { // the first time to set account - //若是第一次建立账户显示选择账户提示对话框 showSelectAccountAlertDialog(); } else { // if the account has already been set, we need to promp // user about the risk - //若是已经建立则显示修改对话框并进行修改操作 showChangeAccountConfirmAlertDialog(); } } else { - //若在没有同步的情况下，则在toast中显示不能修改 Toast.makeText(NotesPreferenceActivity.this, R.string.preferences_toast_cannot_change_account, Toast.LENGTH_SHORT) .show(); @@ -194,29 +151,21 @@ public class NotesPreferenceActivity extends PreferenceActivity { } }); - //根据新建首选项编辑新的账户分组 mAccountCategory.addPreference(accountPref); } - /* - *函数功能：设置按键的状态和最后同步的时间 - *函数实现：如下注释 - */ private void loadSyncButton() { Button syncButton = (Button) findViewById(R.id.preference_sync_button); TextView lastSyncTimeView = (TextView) findViewById(R.id.prefenerece_sync_status_textview); - //获取同步按钮控件和最终同步时间的的窗口 + // set button state - //设置按钮的状态 if (GTaskSyncService.isSyncing()) { - //若是在同步状态下 syncButton.setText(getString(R.string.preferences_button_sync_cancel)); syncButton.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { GTaskSyncService.cancelSync(NotesPreferenceActivity.this); } }); - //设置按钮显示的文本为“取消同步”以及监听器 } else { syncButton.setText(getString(R.string.preferences_button_sync_immediately)); syncButton.setOnClickListener(new View.OnClickListener() { @@ -224,67 +173,50 @@ public class NotesPreferenceActivity extends PreferenceActivity { GTaskSyncService.startSync(NotesPreferenceActivity.this); } }); - //若是不同步则设置按钮显示的文本为“立即同步”以及对应监听器 } syncButton.setEnabled(!TextUtils.isEmpty(getSyncAccountName(this))); - //设置按键可用还是不可用 // set last sync time - // 设置最终同步时间 if (GTaskSyncService.isSyncing()) { - //若是在同步的情况下 lastSyncTimeView.setText(GTaskSyncService.getProgressString()); lastSyncTimeView.setVisibility(View.VISIBLE); - // 根据当前同步服务器设置时间显示框的文本以及可见性 } else { - //若是非同步情况 long lastSyncTime = getLastSyncTime(this); if (lastSyncTime != 0) { lastSyncTimeView.setText(getString(R.string.preferences_last_sync_time, DateFormat.format(getString(R.string.preferences_last_sync_time_format), lastSyncTime))); lastSyncTimeView.setVisibility(View.VISIBLE); - //则根据最后同步时间的信息来编辑时间显示框的文本内容和可见性 } else { - //若时间为空直接设置为不可见状态 lastSyncTimeView.setVisibility(View.GONE); } } } - /* - *函数功能：刷新标签界面 - *函数实现：调用上文设置账号和设置按键两个函数来实现 - */ + private void refreshUI() { loadAccountPreference(); loadSyncButton(); } - /* - * 函数功能：显示账户选择的对话框并进行账户的设置 - * 函数实现：如下注释 - */ private void showSelectAccountAlertDialog() { AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this); - //创建一个新的对话框 View titleView = LayoutInflater.from(this).inflate(R.layout.account_dialog_title, null); TextView titleTextView = (TextView) titleView.findViewById(R.id.account_dialog_title); titleTextView.setText(getString(R.string.preferences_dialog_select_account_title)); TextView subtitleTextView = (TextView) titleView.findViewById(R.id.account_dialog_subtitle); subtitleTextView.setText(getString(R.string.preferences_dialog_select_account_tips)); - //设置标题以及子标题的内容 + dialogBuilder.setCustomTitle(titleView); dialogBuilder.setPositiveButton(null, null); - //设置对话框的自定义标题，建立一个YES的按钮 + Account[] accounts = getGoogleAccounts(); String defAccount = getSyncAccountName(this); - //获取同步账户信息 + mOriAccounts = accounts; mHasAddedAccount = false; if (accounts.length > 0) { - //若账户不为空 CharSequence[] items = new CharSequence[accounts.length]; final CharSequence[] itemMapping = items; int checkedItem = -1; @@ -292,119 +224,83 @@ public class NotesPreferenceActivity extends PreferenceActivity { for (Account account : accounts) { if (TextUtils.equals(account.name, defAccount)) { checkedItem = index; - //在账户列表中查询到所需账户 } items[index++] = account.name; } dialogBuilder.setSingleChoiceItems(items, checkedItem, - //在对话框建立一个单选的复选框 new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { setSyncAccount(itemMapping[which].toString()); dialog.dismiss(); - //取消对话框 refreshUI(); } - //设置点击后执行的事件，包括检录新同步账户和刷新标签界面 }); - //建立对话框网络版的监听器 } View addAccountView = LayoutInflater.from(this).inflate(R.layout.add_account_text, null); dialogBuilder.setView(addAccountView); - //给新加账户对话框设置自定义样式 final AlertDialog dialog = dialogBuilder.show(); - //显示对话框 addAccountView.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { mHasAddedAccount = true; - //将新加账户的hash置true Intent intent = new Intent("android.settings.ADD_ACCOUNT_SETTINGS"); - //建立网络建立组件 intent.putExtra(AUTHORITIES_FILTER_KEY, new String[] { - "gmail-ls" + "gmail-ls" }); startActivityForResult(intent, -1); - //跳回上一个选项 dialog.dismiss(); } }); - //建立新加账户对话框的监听器 } - /* - * 函数功能：显示账户选择对话框和相关账户操作 - * 函数实现：如下注释 - */ private void showChangeAccountConfirmAlertDialog() { AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this); - //创建一个新的对话框 + View titleView = LayoutInflater.from(this).inflate(R.layout.account_dialog_title, null); TextView titleTextView = (TextView) titleView.findViewById(R.id.account_dialog_title); titleTextView.setText(getString(R.string.preferences_dialog_change_account_title, getSyncAccountName(this))); TextView subtitleTextView = (TextView) titleView.findViewById(R.id.account_dialog_subtitle); subtitleTextView.setText(getString(R.string.preferences_dialog_change_account_warn_msg)); - //根据同步修改的账户信息设置标题以及子标题的内容 dialogBuilder.setCustomTitle(titleView); - //设置对话框的自定义标题 + CharSequence[] menuItemArray = new CharSequence[] { getString(R.string.preferences_menu_change_account), getString(R.string.preferences_menu_remove_account), getString(R.string.preferences_menu_cancel) }; - //定义一些标记字符串 dialogBuilder.setItems(menuItemArray, new DialogInterface.OnClickListener() { - //设置对话框要显示的一个list，用于显示几个命令时,即change，remove，cancel public void onClick(DialogInterface dialog, int which) { - //按键功能，由which来决定 if (which == 0) { - //进入账户选择对话框 showSelectAccountAlertDialog(); } else if (which == 1) { - //删除账户并且跟新便签界面 removeSyncAccount(); refreshUI(); } } }); dialogBuilder.show(); - //显示对话框 } - /* - *函数功能：获取谷歌账户 - *函数实现：通过账户管理器直接获取 - */ private Account[] getGoogleAccounts() { AccountManager accountManager = AccountManager.get(this); return accountManager.getAccountsByType("com.google"); } - /* - * 函数功能：设置同步账户 - * 函数实现：如下注释： - */ private void setSyncAccount(String account) { if (!getSyncAccountName(this).equals(account)) { - //假如该账号不在同步账号列表中 SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE); SharedPreferences.Editor editor = settings.edit(); - //编辑共享的首选项 if (account != null) { editor.putString(PREFERENCE_SYNC_ACCOUNT_NAME, account); } else { editor.putString(PREFERENCE_SYNC_ACCOUNT_NAME, ""); } - //将该账号加入到首选项中 - editor.commit(); - //提交修改的数据 - + // clean up last sync time setLastSyncTime(this, 0); - //将最后同步时间清零 // clean up local gtask related info new Thread(new Runnable() { @@ -415,33 +311,23 @@ public class NotesPreferenceActivity extends PreferenceActivity { getContentResolver().update(Notes.CONTENT_NOTE_URI, values, null, null); } }).start(); - //重置当地同步任务的信息 Toast.makeText(NotesPreferenceActivity.this, getString(R.string.preferences_toast_success_set_accout, account), Toast.LENGTH_SHORT).show(); - //将toast的文本信息置为“设置账户成功”并显示出来 } } - /* - * 函数功能：删除同步账户 - * 函数实现：如下注释： - */ + private void removeSyncAccount() { SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE); SharedPreferences.Editor editor = settings.edit(); - //设置共享首选项 - if (settings.contains(PREFERENCE_SYNC_ACCOUNT_NAME)) { editor.remove(PREFERENCE_SYNC_ACCOUNT_NAME); - //假如当前首选项中有账户就删除 } if (settings.contains(PREFERENCE_LAST_SYNC_TIME)) { editor.remove(PREFERENCE_LAST_SYNC_TIME); - //删除当前首选项中有账户时间 } editor.commit(); - //提交更新后的数据 // clean up local gtask related info new Thread(new Runnable() { @@ -452,76 +338,49 @@ public class NotesPreferenceActivity extends PreferenceActivity { getContentResolver().update(Notes.CONTENT_NOTE_URI, values, null, null); } }).start(); - //重置当地同步任务的信息 } - /* - * 函数功能：获取同步账户名称 - * 函数实现：通过共享的首选项里的信息直接获取 - */ public static String getSyncAccountName(Context context) { SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE); return settings.getString(PREFERENCE_SYNC_ACCOUNT_NAME, ""); } - /* - * 函数功能：设置最终同步的时间 - * 函数实现：如下注释 - */ public static void setLastSyncTime(Context context, long time) { SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE); SharedPreferences.Editor editor = settings.edit(); - // 从共享首选项中找到相关账户并获取其编辑器 editor.putLong(PREFERENCE_LAST_SYNC_TIME, time); editor.commit(); - //编辑最终同步时间并提交更新 } - /* - * 函数功能：获取最终同步时间 - * 函数实现：通过共享的首选项里的信息直接获取 - */ + public static long getLastSyncTime(Context context) { SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE); return settings.getLong(PREFERENCE_LAST_SYNC_TIME, 0); } - /* - * 函数功能：接受同步信息 - * 函数实现：继承BroadcastReceiver - */ private class GTaskReceiver extends BroadcastReceiver { @Override public void onReceive(Context context, Intent intent) { refreshUI(); if (intent.getBooleanExtra(GTaskSyncService.GTASK_SERVICE_BROADCAST_IS_SYNCING, false)) { - //获取随广播而来的Intent中的同步服务的数据 TextView syncStatus = (TextView) findViewById(R.id.prefenerece_sync_status_textview); syncStatus.setText(intent .getStringExtra(GTaskSyncService.GTASK_SERVICE_BROADCAST_PROGRESS_MSG)); - //通过获取的数据在设置系统的状态 } } } - /* - * 函数功能：处理菜单的选项 - * 函数实现：如下注释 - * 参数:MenuItem菜单选项 - */ public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { - //根据选项的id选择，这里只有一个主页 case android.R.id.home: Intent intent = new Intent(this, NotesListActivity.class); intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP); startActivity(intent); return true; - //在主页情况下在创建连接组件intent，发出清空的信号并开始一个相应的activity default: return false; }