diff --git a/doc/代码精度注释/吕新权/新建文本文档.txt b/doc/代码精度注释/吕新权/新建文本文档.txt new file mode 100644 index 0000000..e69de29 diff --git a/doc/代码精度注释/李嘉豪/新建文本文档.txt b/doc/代码精度注释/李嘉豪/新建文本文档.txt new file mode 100644 index 0000000..e69de29 diff --git a/doc/代码精度注释/李荣川/新建文本文档.txt b/doc/代码精度注释/李荣川/新建文本文档.txt new file mode 100644 index 0000000..e69de29 diff --git a/doc/代码精度注释/许艾华/新建文本文档.txt b/doc/代码精度注释/许艾华/新建文本文档.txt new file mode 100644 index 0000000..e69de29 diff --git a/src/main/AndroidManifest.xml b/src/main/AndroidManifest.xml index eccff7b..e5c7d47 100644 --- a/src/main/AndroidManifest.xml +++ b/src/main/AndroidManifest.xml @@ -1,30 +1,27 @@ - - - + - - - @@ -35,12 +32,9 @@ - - - - @@ -63,7 +56,6 @@ android:launchMode="singleTop" android:theme="@style/NoteTheme" > - @@ -83,21 +75,16 @@ - - - @@ -132,13 +119,11 @@ - - - - - diff --git a/src/main/java/net/micode/notes/tool/BackupUtils.java b/src/main/java/net/micode/notes/tool/BackupUtils.java index 249a138..39f6ec4 100644 --- a/src/main/java/net/micode/notes/tool/BackupUtils.java +++ b/src/main/java/net/micode/notes/tool/BackupUtils.java @@ -1,17 +1,17 @@ /* - *版权所有（c）2010-2011，MiCode开源社区（www.MiCode.net） + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) * - *根据Apache许可证2.0版（“许可证”）许可； - *除非符合许可证的规定，否则您不得使用此文件。 - *您可以在以下网址获取许可证副本 + * 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 * - *除非适用法律要求或书面同意，否则软件 - *根据许可证分发是在“按原样”的基础上分发的， - *无任何明示或暗示的保证或条件。 - *有关管理权限的特定语言，请参阅许可证 - *许可证下的限制。 + * 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.tool; @@ -35,17 +35,14 @@ import java.io.FileOutputStream; import java.io.IOException; import java.io.PrintStream; + public class BackupUtils { private static final String TAG = "BackupUtils"; // Singleton stuff - private static BackupUtils sInstance; //类里面为什么可以定义自身类的对象？ + private static BackupUtils sInstance; public static synchronized BackupUtils getInstance(Context context) { - //ynchronized 关键字，代表这个方法加锁,相当于不管哪一个线程（例如线程A） - //运行到这个方法时,都要检查有没有其它线程B（或者C、 D等）正在用这个方法(或者该类的其他同步方法)，有的话要等正在使用synchronized方法的线程B（或者C 、D）运行完这个方法后再运行此线程A,没有的话,锁定调用者,然后直接运行。 - //它包括两种用法：synchronized 方法和 synchronized 块。 if (sInstance == null) { - //如果当前备份不存在，则新声明一个 sInstance = new BackupUtils(context); } return sInstance; @@ -55,24 +52,24 @@ public class BackupUtils { * Following states are signs to represents backup or restore * status */ - // Currently, the sdcard is not mounted SD卡没有被装入手机 + // Currently, the sdcard is not mounted public static final int STATE_SD_CARD_UNMOUONTED = 0; - // The backup file not exist 备份文件夹不存在 + // The backup file not exist public static final int STATE_BACKUP_FILE_NOT_EXIST = 1; - // The data is not well formated, may be changed by other programs 数据已被破坏，可能被修改 + // The data is not well formated, may be changed by other programs public static final int STATE_DATA_DESTROIED = 2; - // Some run-time exception which causes restore or backup fails 超时异常 + // Some run-time exception which causes restore or backup fails public static final int STATE_SYSTEM_ERROR = 3; - // Backup or restore success 成功存储 + // Backup or restore success public static final int STATE_SUCCESS = 4; private TextExport mTextExport; - private BackupUtils(Context context) { //初始化函数 + private BackupUtils(Context context) { mTextExport = new TextExport(context); } - private static boolean externalStorageAvailable() { //外部存储功能是否可用 + private static boolean externalStorageAvailable() { return Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState()); } @@ -131,11 +128,11 @@ public class BackupUtils { public TextExport(Context context) { TEXT_FORMAT = context.getResources().getStringArray(R.array.format_for_exported_note); mContext = context; - mFileName = ""; //为什么为空? + mFileName = ""; mFileDirectory = ""; } - private String getFormat(int id) { //获取文本的组成部分 + private String getFormat(int id) { return TEXT_FORMAT[id]; } @@ -143,22 +140,22 @@ public class BackupUtils { * Export the folder identified by folder id to text */ private void exportFolderToText(String folderId, PrintStream ps) { - // Query notes belong to this folder 通过查询parent id是文件夹id的note来选出制定ID文件夹下的Note + // Query notes belong to this folder Cursor notesCursor = mContext.getContentResolver().query(Notes.CONTENT_NOTE_URI, NOTE_PROJECTION, NoteColumns.PARENT_ID + "=?", new String[] { - folderId + folderId }, null); if (notesCursor != null) { if (notesCursor.moveToFirst()) { do { - // Print note's last modified date ps里面保存有这份note的日期 + // Print note's last modified date ps.println(String.format(getFormat(FORMAT_NOTE_DATE), DateFormat.format( mContext.getString(R.string.format_datetime_mdhm), notesCursor.getLong(NOTE_COLUMN_MODIFIED_DATE)))); // Query data belong to this note String noteId = notesCursor.getString(NOTE_COLUMN_ID); - exportNoteToText(noteId, ps); //将文件导出到text + exportNoteToText(noteId, ps); } while (notesCursor.moveToNext()); } notesCursor.close(); @@ -171,10 +168,10 @@ public class BackupUtils { private void exportNoteToText(String noteId, PrintStream ps) { Cursor dataCursor = mContext.getContentResolver().query(Notes.CONTENT_DATA_URI, DATA_PROJECTION, DataColumns.NOTE_ID + "=?", new String[] { - noteId + noteId }, null); - if (dataCursor != null) { //利用光标来扫描内容，区别为callnote和note两种，靠ps.printline输出 + if (dataCursor != null) { if (dataCursor.moveToFirst()) { do { String mimeType = dataCursor.getString(DATA_COLUMN_MIME_TYPE); @@ -184,7 +181,7 @@ public class BackupUtils { long callDate = dataCursor.getLong(DATA_COLUMN_CALL_DATE); String location = dataCursor.getString(DATA_COLUMN_CONTENT); - if (!TextUtils.isEmpty(phoneNumber)) { //判断是否为空字符 + if (!TextUtils.isEmpty(phoneNumber)) { ps.println(String.format(getFormat(FORMAT_NOTE_CONTENT), phoneNumber)); } @@ -221,7 +218,7 @@ public class BackupUtils { /** * Note will be exported as text which is user readable */ - public int exportToText() { //总函数，调用上面的exportFolder和exportNote + public int exportToText() { if (!externalStorageAvailable()) { Log.d(TAG, "Media was not mounted"); return STATE_SD_CARD_UNMOUONTED; @@ -232,7 +229,7 @@ public class BackupUtils { Log.e(TAG, "get print stream error"); return STATE_SYSTEM_ERROR; } - // First export folder and its notes 导出文件夹，就是导出里面包含的便签 + // First export folder and its notes Cursor folderCursor = mContext.getContentResolver().query( Notes.CONTENT_NOTE_URI, NOTE_PROJECTION, @@ -260,7 +257,7 @@ public class BackupUtils { folderCursor.close(); } - // Export notes in root's folder 将根目录里的便签导出（由于不属于任何文件夹，因此无法通过文件夹导出来实现这一部分便签的导出） + // Export notes in root's folder Cursor noteCursor = mContext.getContentResolver().query( Notes.CONTENT_NOTE_URI, NOTE_PROJECTION, @@ -300,7 +297,7 @@ public class BackupUtils { PrintStream ps = null; try { FileOutputStream fos = new FileOutputStream(file); - ps = new PrintStream(fos); //将ps输出流输出到特定的文件，目的就是导出到文件，而不是直接输出 + ps = new PrintStream(fos); } catch (FileNotFoundException e) { e.printStackTrace(); return null; @@ -317,16 +314,16 @@ public class BackupUtils { */ private static File generateFileMountedOnSDcard(Context context, int filePathResId, int fileNameFormatResId) { StringBuilder sb = new StringBuilder(); - sb.append(Environment.getExternalStorageDirectory()); //外部（SD卡）的存储路径 - sb.append(context.getString(filePathResId)); //文件的存储路径 - File filedir = new File(sb.toString()); //filedir应该就是用来存储路径信息 + sb.append(Environment.getExternalStorageDirectory()); + sb.append(context.getString(filePathResId)); + File filedir = new File(sb.toString()); sb.append(context.getString( fileNameFormatResId, DateFormat.format(context.getString(R.string.format_date_ymd), System.currentTimeMillis()))); File file = new File(sb.toString()); - try { //如果这些文件不存在，则新建 + try { if (!filedir.exists()) { filedir.mkdir(); } @@ -339,7 +336,9 @@ public class BackupUtils { } catch (IOException e) { e.printStackTrace(); } -// try catch 异常处理 + return null; } } + + diff --git a/src/main/java/net/micode/notes/ui/DropdownMenu.java b/src/main/java/net/micode/notes/ui/DropdownMenu.java index c831a9b..613dc74 100644 --- a/src/main/java/net/micode/notes/ui/DropdownMenu.java +++ b/src/main/java/net/micode/notes/ui/DropdownMenu.java @@ -1,3 +1,19 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + package net.micode.notes.ui; import android.content.Context; @@ -14,18 +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(); @@ -36,14 +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/src/main/java/net/micode/notes/ui/FoldersListAdapter.java b/src/main/java/net/micode/notes/ui/FoldersListAdapter.java index b6867fb..96b77da 100644 --- a/src/main/java/net/micode/notes/ui/FoldersListAdapter.java +++ b/src/main/java/net/micode/notes/ui/FoldersListAdapter.java @@ -1,3 +1,19 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + package net.micode.notes.ui; import android.content.Context; @@ -14,14 +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; @@ -29,13 +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) { @@ -44,22 +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); } @@ -68,4 +77,4 @@ public class FoldersListAdapter extends CursorAdapter { } } -} \ No newline at end of file +} diff --git a/src/main/java/net/micode/notes/ui/NoteEditActivity.java b/src/main/java/net/micode/notes/ui/NoteEditActivity.java index 0faa62e..96a9ff8 100644 --- a/src/main/java/net/micode/notes/ui/NoteEditActivity.java +++ b/src/main/java/net/micode/notes/ui/NoteEditActivity.java @@ -1,3 +1,19 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + package net.micode.notes.ui; import android.app.Activity; @@ -58,8 +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; @@ -69,7 +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); @@ -77,7 +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(); @@ -87,7 +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(); @@ -96,7 +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(); @@ -105,7 +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"; @@ -113,23 +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; @@ -138,7 +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; @@ -146,7 +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; @@ -169,7 +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) { @@ -181,42 +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); @@ -224,7 +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); @@ -241,17 +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 @@ -272,10 +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 { @@ -299,21 +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); @@ -337,29 +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); @@ -368,11 +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; } @@ -390,13 +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); /** @@ -418,7 +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) { @@ -431,7 +418,7 @@ public class NoteEditActivity extends Activity implements OnClickListener, } intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, new int[] { - mWorkingNote.getWidgetId() + mWorkingNote.getWidgetId() }); sendBroadcast(intent); @@ -463,7 +450,7 @@ public class NoteEditActivity extends Activity implements OnClickListener, } mFontSizeSelector.setVisibility(View.GONE); } - }//************************存在问题 + } @Override public void onBackPressed() { @@ -494,7 +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; @@ -503,7 +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); } @@ -521,71 +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: @@ -594,170 +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( @@ -766,101 +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) { @@ -871,15 +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(); @@ -888,94 +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, @@ -984,16 +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 @@ -1002,16 +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, @@ -1019,12 +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 @@ -1033,35 +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/src/main/java/net/micode/notes/ui/NoteEditText.java b/src/main/java/net/micode/notes/ui/NoteEditText.java index f658bd6..2afe2a8 100644 --- a/src/main/java/net/micode/notes/ui/NoteEditText.java +++ b/src/main/java/net/micode/notes/ui/NoteEditText.java @@ -1,3 +1,19 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + package net.micode.notes.ui; import android.content.Context; @@ -21,7 +37,6 @@ import net.micode.notes.R; import java.util.HashMap; import java.util.Map; -//继承edittext，设置便签设置文本框 public class NoteEditText extends EditText { private static final String TAG = "NoteEditText"; private int mIndex; @@ -31,7 +46,6 @@ public class NoteEditText extends EditText { private static final String SCHEME_HTTP = "http:" ; private static final String SCHEME_EMAIL = "mailto:" ; - ///建立一个字符和整数的hash表，用于链接电话，网站，还有邮箱 private static final Map sSchemaActionResMap = new HashMap(); static { sSchemaActionResMap.put(SCHEME_TEL, R.string.note_link_tel); @@ -42,20 +56,17 @@ public class NoteEditText extends EditText { /** * Call by the {@link NoteEditActivity} to delete or add edit text */ - //在NoteEditActivity中删除或添加文本的操作，可以看做是一个文本是否被变的标记，英文注释已说明的很清楚 public interface OnTextViewChangeListener { /** * Delete current edit text when {@link KeyEvent#KEYCODE_DEL} happens * and the text is null */ - //处理删除按键时的操作 void onEditTextDelete(int index, String text); /** * Add edit text after current edit text when {@link KeyEvent#KEYCODE_ENTER} * happen */ - //处理进入按键时的操作 void onEditTextEnter(int index, String text); /** @@ -66,43 +77,33 @@ public class NoteEditText extends EditText { private OnTextViewChangeListener mOnTextViewChangeListener; - //根据context设置文本 public NoteEditText(Context context) { - super(context, null);//用super引用父类变量 + super(context, null); mIndex = 0; } - //设置当前光标 public void setIndex(int index) { mIndex = index; } - //初始化文本修改标记 public void setOnTextViewChangeListener(OnTextViewChangeListener listener) { mOnTextViewChangeListener = listener; } - //AttributeSet 百度了一下是自定义空控件属性，用于维护便签动态变化的属性 - //初始化便签 - public NoteEditText(Context context, AttributeSet attrs) { + public NoteEditText(Context context, AttributeSet attrs) { super(context, attrs, android.R.attr.editTextStyle); } - // 根据defstyle自动初始化 public NoteEditText(Context context, AttributeSet attrs, int defStyle) { super(context, attrs, defStyle); - // TODO Auto-generated construct or stub + // TODO Auto-generated constructor stub } @Override - //view里的函数，处理手机屏幕的所有事件 - /*参数event为手机屏幕触摸事件封装类的对象，其中封装了该事件的所有信息， - 例如触摸的位置、触摸的类型以及触摸的时间等。该对象会在用户触摸手机屏幕时被创建。*/ public boolean onTouchEvent(MotionEvent event) { switch (event.getAction()) { - //重写了需要处理屏幕被按下的事件 case MotionEvent.ACTION_DOWN: - //跟新当前坐标值 + int x = (int) event.getX(); int y = (int) event.getY(); x -= getTotalPaddingLeft(); @@ -110,12 +111,9 @@ public class NoteEditText extends EditText { x += getScrollX(); y += getScrollY(); - //用布局控件layout根据x,y的新值设置新的位置 Layout layout = getLayout(); int line = layout.getLineForVertical(y); int off = layout.getOffsetForHorizontal(line, x); - - //更新光标新的位置 Selection.setSelection(getText(), off); break; } @@ -124,147 +122,96 @@ public class NoteEditText extends EditText { } @Override - /* - * 函数功能：处理用户按下一个键盘按键时会触发 的事件 - * 实现过程：如下注释 - */ public boolean onKeyDown(int keyCode, KeyEvent event) { switch (keyCode) { - //根据按键的 Unicode 编码值来处理 case KeyEvent.KEYCODE_ENTER: - //“进入”按键 if (mOnTextViewChangeListener != null) { return false; } break; case KeyEvent.KEYCODE_DEL: - //“删除”按键 mSelectionStartBeforeDelete = getSelectionStart(); break; default: break; } - //继续执行父类的其他点击事件 return super.onKeyDown(keyCode, event); } @Override - /* - * 函数功能：处理用户松开一个键盘按键时会触发 的事件 - * 实现方式：如下注释 - */ public boolean onKeyUp(int keyCode, KeyEvent event) { switch(keyCode) { - //根据按键的 Unicode 编码值来处理，有删除和进入2种操作 case KeyEvent.KEYCODE_DEL: if (mOnTextViewChangeListener != null) { - //若是被修改过 if (0 == mSelectionStartBeforeDelete && mIndex != 0) { - //若之前有被修改并且文档不为空 mOnTextViewChangeListener.onEditTextDelete(mIndex, getText().toString()); - //利用上文OnTextViewChangeListener对KEYCODE_DEL按键情况的删除函数进行删除 return true; } } else { Log.d(TAG, "OnTextViewChangeListener was not seted"); - //其他情况报错，文档的改动监听器并没有建立 } break; case KeyEvent.KEYCODE_ENTER: - //同上也是分为监听器是否建立2种情况 if (mOnTextViewChangeListener != null) { int selectionStart = getSelectionStart(); - //获取当前位置 String text = getText().subSequence(selectionStart, length()).toString(); - //获取当前文本 setText(getText().subSequence(0, selectionStart)); - //根据获取的文本设置当前文本 mOnTextViewChangeListener.onEditTextEnter(mIndex + 1, text); - //当{@link KeyEvent#KEYCODE_ENTER}添加新文本 } else { Log.d(TAG, "OnTextViewChangeListener was not seted"); - //其他情况报错，文档的改动监听器并没有建立 } break; default: break; } - //继续执行父类的其他按键弹起的事件 return super.onKeyUp(keyCode, event); } @Override - /* - * 函数功能：当焦点发生变化时，会自动调用该方法来处理焦点改变的事件 - * 实现方式：如下注释 - * 参数：focused表示触发该事件的View是否获得了焦点，当该控件获得焦点时，Focused等于true，否则等于false。 - direction表示焦点移动的方向，用数值表示 - Rect：表示在触发事件的View的坐标系中，前一个获得焦点的矩形区域，即表示焦点是从哪里来的。如果不可用则为null - */ protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) { if (mOnTextViewChangeListener != null) { - //若监听器已经建立 if (!focused && TextUtils.isEmpty(getText())) { - //获取到焦点并且文本不为空 mOnTextViewChangeListener.onTextChange(mIndex, false); - //mOnTextViewChangeListener子函数，置false隐藏事件选项 } else { mOnTextViewChangeListener.onTextChange(mIndex, true); - //mOnTextViewChangeListener子函数，置true显示事件选项 } } - //继续执行父类的其他焦点变化的事件 super.onFocusChanged(focused, direction, previouslyFocusedRect); } @Override - /* - * 函数功能：生成上下文菜单 - * 函数实现：如下注释 - */ protected void onCreateContextMenu(ContextMenu menu) { if (getText() instanceof Spanned) { - //有文本存在 int selStart = getSelectionStart(); int selEnd = getSelectionEnd(); - //获取文本开始和结尾位置 int min = Math.min(selStart, selEnd); int max = Math.max(selStart, selEnd); - //获取开始到结尾的最大值和最小值 final URLSpan[] urls = ((Spanned) getText()).getSpans(min, max, URLSpan.class); - //设置url的信息的范围值 if (urls.length == 1) { int defaultResId = 0; for(String schema: sSchemaActionResMap.keySet()) { - //获取计划表中所有的key值 if(urls[0].getURL().indexOf(schema) >= 0) { - //若url可以添加则在添加后将defaultResId置为key所映射的值 defaultResId = sSchemaActionResMap.get(schema); break; } } if (defaultResId == 0) { - //defaultResId == 0则说明url并没有添加任何东西，所以置为连接其他SchemaActionResMap的值 defaultResId = R.string.note_link_other; } - //建立菜单 menu.add(0, 0, 0, defaultResId).setOnMenuItemClickListener( new OnMenuItemClickListener() { - //新建按键监听器 public boolean onMenuItemClick(MenuItem item) { // goto a new intent urls[0].onClick(NoteEditText.this); - //根据相应的文本设置菜单的按键 return true; } }); } } - //继续执行父类的其他菜单创建的事件 super.onCreateContextMenu(menu); } -} \ No newline at end of file +} diff --git a/src/main/java/net/micode/notes/ui/NoteItemData.java b/src/main/java/net/micode/notes/ui/NoteItemData.java index 9dde13c..0f5a878 100644 --- a/src/main/java/net/micode/notes/ui/NoteItemData.java +++ b/src/main/java/net/micode/notes/ui/NoteItemData.java @@ -1,3 +1,19 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + package net.micode.notes.ui; import android.content.Context; @@ -12,20 +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; @@ -59,9 +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); @@ -77,11 +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; @@ -94,35 +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; } @@ -203,7 +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)); } @@ -211,4 +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/src/main/java/net/micode/notes/ui/NotesListActivity.java b/src/main/java/net/micode/notes/ui/NotesListActivity.java index 0813597..e843aec 100644 --- a/src/main/java/net/micode/notes/ui/NotesListActivity.java +++ b/src/main/java/net/micode/notes/ui/NotesListActivity.java @@ -1,3 +1,19 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + package net.micode.notes.ui; import android.app.Activity; @@ -61,12 +77,8 @@ import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.util.HashSet; -//主界面，一进入就是这个界面 -/** - * @author k - * - */ -public class NotesListActivity extends Activity implements OnClickListener, OnItemLongClickListener { //没有用特定的标签加注释。。。感觉没有什么用 + +public class NotesListActivity extends Activity implements OnClickListener, OnItemLongClickListener { private static final int FOLDER_NOTE_LIST_QUERY_TOKEN = 0; private static final int FOLDER_LIST_QUERY_TOKEN = 1; @@ -77,7 +89,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt private static final int MENU_FOLDER_CHANGE_NAME = 2; - private static final String PREFERENCE_ADD_INTRODUCTION = "net.micode.notes.introduction"; //单行超过80个字符 + private static final String PREFERENCE_ADD_INTRODUCTION = "net.micode.notes.introduction"; private enum ListEditState { NOTE_LIST, SUB_FOLDER, CALL_RECORD_FOLDER @@ -124,13 +136,8 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt private final static int REQUEST_CODE_NEW_NODE = 103; @Override - // 创建类 - protected void onCreate(final Bundle savedInstanceState) { //需要是final类型 根据程序上下文环境，Java关键字final有“这是无法改变的”或者“终态的”含义，它可以修饰非抽象类、非抽象类成员方法和变量。你可能出于两种理解而需要阻止改变：设计或效率。 - // final类不能被继承，没有子类，final类中的方法默认是final的。 - //final方法不能被子类的方法覆盖，但可以被继承。 - //final成员变量表示常量，只能被赋值一次，赋值后值不再改变。 - //final不能用于修饰构造方法。 - super.onCreate(savedInstanceState); // 调用父类的onCreate函数 + protected void onCreate(Bundle savedInstanceState) { + super.onCreate(savedInstanceState); setContentView(R.layout.note_list); initResources(); @@ -141,32 +148,26 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt } @Override - // 返回一些子模块完成的数据交给主Activity处理 protected void onActivityResult(int requestCode, int resultCode, Intent data) { - // 结果值 和 要求值 符合要求 if (resultCode == RESULT_OK && (requestCode == REQUEST_CODE_OPEN_NODE || requestCode == REQUEST_CODE_NEW_NODE)) { mNotesListAdapter.changeCursor(null); } else { super.onActivityResult(requestCode, resultCode, data); - // 调用 Activity 的onActivityResult（） } } private void setAppInfoFromRawRes() { - // Android平台给我们提供了一个SharedPreferences类，它是一个轻量级的存储类，特别适合用于保存软件配置参数。 SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(this); if (!sp.getBoolean(PREFERENCE_ADD_INTRODUCTION, false)) { StringBuilder sb = new StringBuilder(); InputStream in = null; try { - // 把资源文件放到应用程序的/raw/raw下，那么就可以在应用中使用getResources获取资源后, - // 以openRawResource方法（不带后缀的资源文件名）打开这个文件。 - in = getResources().openRawResource(R.raw.introduction); + in = getResources().openRawResource(R.raw.introduction); if (in != null) { InputStreamReader isr = new InputStreamReader(in); BufferedReader br = new BufferedReader(isr); - char [] buf = new char[1024]; // 自行定义的数值，使用者不知道有什么意义 + char [] buf = new char[1024]; int len = 0; while ((len = br.read(buf)) > 0) { sb.append(buf, 0, len); @@ -179,7 +180,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt e.printStackTrace(); return; } finally { - if (in != null) { + if(in != null) { try { in.close(); } catch (IOException e) { @@ -189,13 +190,11 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt } } - // 创建空的WorkingNote WorkingNote note = WorkingNote.createEmptyNote(this, Notes.ID_ROOT_FOLDER, AppWidgetManager.INVALID_APPWIDGET_ID, Notes.TYPE_WIDGET_INVALIDE, ResourceParser.RED); note.setWorkingText(sb.toString()); if (note.saveNote()) { - // 更新保存note的信息 sp.edit().putBoolean(PREFERENCE_ADD_INTRODUCTION, true).commit(); } else { Log.e(TAG, "Save introduction note error"); @@ -210,21 +209,18 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt startAsyncNotesListQuery(); } - // 初始化资源 private void initResources() { - mContentResolver = this.getContentResolver(); // 获取应用程序的数据，得到类似数据表的东西 + mContentResolver = this.getContentResolver(); mBackgroundQueryHandler = new BackgroundQueryHandler(this.getContentResolver()); mCurrentFolderId = Notes.ID_ROOT_FOLDER; - - // findViewById 是安卓编程的定位函数，主要是引用.R文件里的引用名 - mNotesListView = (ListView) findViewById(R.id.notes_list); // 绑定XML中的ListView，作为Item的容器 + mNotesListView = (ListView) findViewById(R.id.notes_list); mNotesListView.addFooterView(LayoutInflater.from(this).inflate(R.layout.note_list_footer, null), null, false); mNotesListView.setOnItemClickListener(new OnListItemClickListener()); mNotesListView.setOnItemLongClickListener(this); mNotesListAdapter = new NotesListAdapter(this); mNotesListView.setAdapter(mNotesListAdapter); - mAddNewNote = (Button) findViewById(R.id.btn_new_note);// 在activity中要获取该按钮 + mAddNewNote = (Button) findViewById(R.id.btn_new_note); mAddNewNote.setOnClickListener(this); mAddNewNote.setOnTouchListener(new NewNoteOnTouchListener()); mDispatch = false; @@ -235,7 +231,6 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt mModeCallBack = new ModeCallback(); } - // 继承自ListView.MultiChoiceModeListener 和 OnMenuItemClickListener private class ModeCallback implements ListView.MultiChoiceModeListener, OnMenuItemClickListener { private DropdownMenu mDropDownMenu; private ActionMode mActionMode; @@ -264,7 +259,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt (Button) customView.findViewById(R.id.selection_menu), R.menu.note_list_dropdown); mDropDownMenu.setOnDropdownMenuItemClickListener(new PopupMenu.OnMenuItemClickListener(){ - public boolean onMenuItemClick(final MenuItem item) { + public boolean onMenuItemClick(MenuItem item) { mNotesListAdapter.selectAll(!mNotesListAdapter.isAllSelected()); updateMenu(); return true; @@ -274,12 +269,11 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt return true; } - // 更新菜单 private void updateMenu() { int selectedCount = mNotesListAdapter.getSelectedCount(); // Update dropdown menu String format = getResources().getString(R.string.menu_select_title, selectedCount); - mDropDownMenu.setTitle(format); // 更改标题 + mDropDownMenu.setTitle(format); MenuItem item = mDropDownMenu.findItem(R.id.action_select_all); if (item != null) { if (mNotesListAdapter.isAllSelected()) { @@ -313,7 +307,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt } public void onItemCheckedStateChanged(ActionMode mode, int position, long id, - boolean checked) { + boolean checked) { mNotesListAdapter.setCheckedItem(position, checked); updateMenu(); } @@ -331,14 +325,14 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt builder.setTitle(getString(R.string.alert_title_delete)); builder.setIcon(android.R.drawable.ic_dialog_alert); builder.setMessage(getString(R.string.alert_message_delete_notes, - mNotesListAdapter.getSelectedCount())); + mNotesListAdapter.getSelectedCount())); builder.setPositiveButton(android.R.string.ok, - new DialogInterface.OnClickListener() { - public void onClick(DialogInterface dialog, - int which) { - batchDelete(); - } - }); + new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, + int which) { + batchDelete(); + } + }); builder.setNegativeButton(android.R.string.cancel, null); builder.show(); break; @@ -372,7 +366,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt /** * HACKME:When click the transparent part of "New Note" button, dispatch * the event to the list view behind this button. The transparent part of - * "New Note" button could be expressed by formula y=-0.12x+94锛圲nit:pixel锛� + * "New Note" button could be expressed by formula y=-0.12x+94（Unit:pixel） * and the line top of the button. The coordinate based on left of the "New * Note" button. The 94 represents maximum height of the transparent part. * Notice that, if the background of the button changes, the formula should @@ -419,7 +413,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt : NORMAL_SELECTION; mBackgroundQueryHandler.startQuery(FOLDER_NOTE_LIST_QUERY_TOKEN, null, Notes.CONTENT_NOTE_URI, NoteItemData.PROJECTION, selection, new String[] { - String.valueOf(mCurrentFolderId) + String.valueOf(mCurrentFolderId) }, NoteColumns.TYPE + " DESC," + NoteColumns.MODIFIED_DATE + " DESC"); } @@ -630,7 +624,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt values.put(NoteColumns.LOCAL_MODIFIED, 1); mContentResolver.update(Notes.CONTENT_NOTE_URI, values, NoteColumns.ID + "=?", new String[] { - String.valueOf(mFocusNoteDataItem.getId()) + String.valueOf(mFocusNoteDataItem.getId()) }); } } else if (!TextUtils.isEmpty(name)) { @@ -670,38 +664,30 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt }); } - /* (non-Javadoc) - * @see android.app.Activity#onBackPressed() - * 按返回键时根据情况更改类中的数据 - */ @Override - public void onBackPressed() { switch (mState) { - case SUB_FOLDER: - mCurrentFolderId = Notes.ID_ROOT_FOLDER; - mState = ListEditState.NOTE_LIST; - startAsyncNotesListQuery(); - mTitleBar.setVisibility(View.GONE); - break; - case CALL_RECORD_FOLDER: - mCurrentFolderId = Notes.ID_ROOT_FOLDER; - mState = ListEditState.NOTE_LIST; - mAddNewNote.setVisibility(View.VISIBLE); - mTitleBar.setVisibility(View.GONE); - startAsyncNotesListQuery(); - break; - case NOTE_LIST: - super.onBackPressed(); - break; - default: - break; - } + public void onBackPressed() { + switch (mState) { + case SUB_FOLDER: + mCurrentFolderId = Notes.ID_ROOT_FOLDER; + mState = ListEditState.NOTE_LIST; + startAsyncNotesListQuery(); + mTitleBar.setVisibility(View.GONE); + break; + case CALL_RECORD_FOLDER: + mCurrentFolderId = Notes.ID_ROOT_FOLDER; + mState = ListEditState.NOTE_LIST; + mAddNewNote.setVisibility(View.VISIBLE); + mTitleBar.setVisibility(View.GONE); + startAsyncNotesListQuery(); + break; + case NOTE_LIST: + super.onBackPressed(); + break; + default: + break; + } } - /** - * @param appWidgetId - * @param appWidgetType - * 根据不同类型的widget更新插件，通过intent传送数据 - */ private void updateWidget(int appWidgetId, int appWidgetType) { Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE); if (appWidgetType == Notes.TYPE_WIDGET_2X) { @@ -714,16 +700,13 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt } intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, new int[] { - appWidgetId + appWidgetId }); sendBroadcast(intent); setResult(RESULT_OK, intent); } - /** - * 声明监听器，建立菜单，包括名称，视图，删除操作，更改名称操作； - */ private final OnCreateContextMenuListener mFolderOnCreateContextMenuListener = new OnCreateContextMenuListener() { public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) { if (mFocusNoteDataItem != null) { @@ -743,10 +726,6 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt super.onContextMenuClosed(menu); } - /* (non-Javadoc) - * @see android.app.Activity#onContextItemSelected(android.view.MenuItem) - * 针对menu中不同的选择进行不同的处理，里面详细注释 - */ @Override public boolean onContextItemSelected(MenuItem item) { if (mFocusNoteDataItem == null) { @@ -755,10 +734,10 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt } switch (item.getItemId()) { case MENU_FOLDER_VIEW: - openFolder(mFocusNoteDataItem);//打开对应文件 + openFolder(mFocusNoteDataItem); break; case MENU_FOLDER_DELETE: - AlertDialog.Builder builder = new AlertDialog.Builder(this);//设置确认是否删除的对话框 + AlertDialog.Builder builder = new AlertDialog.Builder(this); builder.setTitle(getString(R.string.alert_title_delete)); builder.setIcon(android.R.drawable.ic_dialog_alert); builder.setMessage(getString(R.string.alert_message_delete_folder)); @@ -769,7 +748,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt } }); builder.setNegativeButton(android.R.string.cancel, null); - builder.show();//显示对话框 + builder.show(); break; case MENU_FOLDER_CHANGE_NAME: showCreateOrModifyFolderDialog(false); @@ -839,19 +818,12 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt return true; } - /* (non-Javadoc) - * @see android.app.Activity#onSearchRequested() - * 直接调用startSearch函数 - */ @Override public boolean onSearchRequested() { startSearch(null, false, null /* appData */, false); return true; } - /** - * 函数功能：实现将便签导出到文本功能 - */ private void exportNoteToText() { final BackupUtils backup = BackupUtils.getInstance(NotesListActivity.this); new AsyncTask() { @@ -894,27 +866,16 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt }.execute(); } - /** - * @return - * 功能：判断是否正在同步 - */ private boolean isSyncMode() { return NotesPreferenceActivity.getSyncAccountName(this).trim().length() > 0; } - /** - * 功能：跳转到PreferenceActivity界面 - */ private void startPreferenceActivity() { Activity from = getParent() != null ? getParent() : this; Intent intent = new Intent(from, NotesPreferenceActivity.class); from.startActivityIfNeeded(intent, -1); } - /** - * @author k - * 函数功能：实现对便签列表项的点击事件（短按） - */ private class OnListItemClickListener implements OnItemClickListener { public void onItemClick(AdapterView parent, View view, int position, long id) { @@ -956,13 +917,10 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt } - /** - * 查询目标文件 - */ private void startQueryDestinationFolders() { String selection = NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>? AND " + NoteColumns.ID + "<>?"; selection = (mState == ListEditState.NOTE_LIST) ? selection: - "(" + selection + ") OR (" + NoteColumns.ID + "=" + Notes.ID_ROOT_FOLDER + ")"; + "(" + selection + ") OR (" + NoteColumns.ID + "=" + Notes.ID_ROOT_FOLDER + ")"; mBackgroundQueryHandler.startQuery(FOLDER_LIST_QUERY_TOKEN, null, @@ -977,12 +935,6 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt NoteColumns.MODIFIED_DATE + " DESC"); } - /* (non-Javadoc) - * @see android.widget.AdapterView.OnItemLongClickListener#onItemLongClick(android.widget.AdapterView, android.view.View, int, long) - * 长按某一项时进行的操作 - * 如果长按的是便签，则通过ActionMode菜单实现；如果长按的是文件夹，则通过ContextMenu菜单实现； - * 具体ActionMOde菜单和ContextMenu菜单的详细见精度笔记 - */ public boolean onItemLongClick(AdapterView parent, View view, int position, long id) { if (view instanceof NotesListItem) { mFocusNoteDataItem = ((NotesListItem) view).getItemData(); @@ -999,4 +951,4 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt } return false; } -} \ No newline at end of file +} diff --git a/src/main/java/net/micode/notes/ui/NotesListAdapter.java b/src/main/java/net/micode/notes/ui/NotesListAdapter.java index b165769..51c9cb9 100644 --- a/src/main/java/net/micode/notes/ui/NotesListAdapter.java +++ b/src/main/java/net/micode/notes/ui/NotesListAdapter.java @@ -1,3 +1,19 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + package net.micode.notes.ui; import android.content.Context; @@ -7,7 +23,6 @@ import android.view.View; import android.view.ViewGroup; import android.widget.CursorAdapter; - import net.micode.notes.data.Notes; import java.util.Collection; @@ -16,94 +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) { @@ -111,47 +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(); @@ -169,42 +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; @@ -213,45 +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/src/main/java/net/micode/notes/ui/NotesListItem.java b/src/main/java/net/micode/notes/ui/NotesListItem.java index fa8b3d2..1221e80 100644 --- a/src/main/java/net/micode/notes/ui/NotesListItem.java +++ b/src/main/java/net/micode/notes/ui/NotesListItem.java @@ -1,3 +1,19 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + package net.micode.notes.ui; import android.content.Context; @@ -14,43 +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); @@ -59,9 +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); @@ -69,48 +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/src/main/java/net/micode/notes/ui/NotesPreferenceActivity.java b/src/main/java/net/micode/notes/ui/NotesPreferenceActivity.java index 6f8a89f..07c5f7e 100644 --- a/src/main/java/net/micode/notes/ui/NotesPreferenceActivity.java +++ b/src/main/java/net/micode/notes/ui/NotesPreferenceActivity.java @@ -1,3 +1,19 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + package net.micode.notes.ui; import android.accounts.Account; @@ -31,92 +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; } } @@ -124,83 +114,58 @@ 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) + R.string.preferences_toast_cannot_change_account, Toast.LENGTH_SHORT) .show(); } return true; } }); - //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() { @@ -208,67 +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; @@ -276,119 +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() { @@ -399,33 +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() { @@ -436,79 +338,51 @@ 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; } } } - \ No newline at end of file