From fd9902bf2e3c2f7cf456b7bde1d03728fec2404c Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E7=8E=8B=E4=BB=95=E8=B1=AA?= <1710331409@qq.com> Date: Thu, 13 Apr 2023 22:48:03 +0800 Subject: [PATCH] =?UTF-8?q?4/13=20=E7=B2=BE=E8=AF=BB=E6=8A=A5=E5=91=8A?= =?UTF-8?q?=E6=8F=90=E4=BA=A4?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- doc/精读报告/data/Contact.doc | Bin 28672 -> 0 bytes doc/精读报告/data/Notes.doc | Bin 40960 -> 0 bytes doc/精读报告/data/NotesDatabaseHelper.doc | Bin 58368 -> 0 bytes doc/精读报告/data/NotesProvider.doc | Bin 52224 -> 0 bytes doc/精读报告/gtask/data/MetaData.doc | 118 --- doc/精读报告/gtask/data/Node.doc | 104 --- doc/精读报告/gtask/data/SqlData.doc | 218 ----- doc/精读报告/gtask/data/SqlNote.doc | 566 ----------- doc/精读报告/gtask/data/Task.doc | 351 ------- doc/精读报告/gtask/data/TaskList.doc | 401 -------- doc/精读报告/ui/AlarmAlertActivity.doc | 176 ++++ doc/精读报告/ui/AlarmInitReceiver.doc | 67 ++ doc/精读报告/ui/AlarmReceiver.doc | 31 + doc/精读报告/ui/DateTimePicker.doc | 496 ++++++++++ doc/精读报告/ui/DateTimePickerDialog.doc | 92 ++ doc/精读报告/ui/DropdownMenu.doc | 63 ++ doc/精读报告/ui/FoldersListAdapter.doc | 84 ++ doc/精读报告/ui/NoteEditActivity.doc | 877 ++++++++++++++++++ doc/精读报告/ui/NoteEditText.doc | 221 +++++ 19 files changed, 2107 insertions(+), 1758 deletions(-) delete mode 100644 doc/精读报告/data/Contact.doc delete mode 100644 doc/精读报告/data/Notes.doc delete mode 100644 doc/精读报告/data/NotesDatabaseHelper.doc delete mode 100644 doc/精读报告/data/NotesProvider.doc delete mode 100644 doc/精读报告/gtask/data/MetaData.doc delete mode 100644 doc/精读报告/gtask/data/Node.doc delete mode 100644 doc/精读报告/gtask/data/SqlData.doc delete mode 100644 doc/精读报告/gtask/data/SqlNote.doc delete mode 100644 doc/精读报告/gtask/data/Task.doc delete mode 100644 doc/精读报告/gtask/data/TaskList.doc create mode 100644 doc/精读报告/ui/AlarmAlertActivity.doc create mode 100644 doc/精读报告/ui/AlarmInitReceiver.doc create mode 100644 doc/精读报告/ui/AlarmReceiver.doc create mode 100644 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zw*&;B6(9pz0|7uApe@i2kOS=jEQ#Z`QSqnPard0~GwUn}Cg~%f4iIhKu>`0*zALM^Ie-E_^!a#oB=SyfPp|bFbEh7L;#V%5MU@U42S|~6JHEKVdG%N z0|`JPfS;1Z?YoQ(2gsfD7mon=30U04$graezcUM@0_6S|kY;?RZ^A$M&@Mo_Ggv^$ z=@w}ncKB82@nbdIcz&r3dDWuUB<=lxL8QF>Y`R?5koG`iz-Fe=wlk=v!freI9k@Gr z>S8Y-rBCgaOlRT2=t)IS^(#ZY-o-l0*k*AAh9p2G5i>JJP zPkKY1zMJ@)f^?I13|hfBa;etyAT)xgaWm><8whiyfNY b75FI3#mNyxFuT_CtqGO2T$kIwO@aRhHt?M5 diff --git a/doc/精读报告/gtask/data/MetaData.doc b/doc/精读报告/gtask/data/MetaData.doc deleted file mode 100644 index f876671..0000000 --- a/doc/精读报告/gtask/data/MetaData.doc +++ /dev/null @@ -1,118 +0,0 @@ -/* - * 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.gtask.data; - -import android.database.Cursor; -import android.util.Log; - -import net.micode.notes.tool.GTaskStringUtils; - -import org.json.JSONException; -import org.json.JSONObject; - - -public class MetaData extends Task { - /* - * 功能描述：得到类的简写名称存入字符串TAG中 - * 实现过程：调用getSimpleName ()函数 - */ - private final static String TAG = MetaData.class.getSimpleName(); - private String mRelatedGid = null; - /* - * 功能描述：设置数据，即生成元数据库 - * 实现过程：调用JSONObject库函数put ()，Task类中的setNotes ()和setName ()函数 - */ - public void setMeta(String gid, JSONObject metaInfo) { - //对函数块进行注释 - try { - metaIwnfo.put(GTaskStringUtils.META_HEAD_GTASK_ID, gid); - /* - * 将这对键值放入metaInfo这个jsonobject对象中 - */ - } catch (JSONException e) { - Log.e(TAG, "failed to put related gid"); - /* - * 输出错误信息 - */ - } - setNotes(metaInfo.toString()); - setName(GTaskStringUtils.META_NOTE_NAME); - } - /* - * 功能描述：获取相关联的Gid - */ - public String getRelatedGid() { - return mRelatedGid; - } - /* - * 功能描述：判断当前数据是否为空，若为空则返回真即值得保存 - */ - @Override - public boolean isWorthSaving() { - return getNotes() != null; - } - /* - * 功能描述：使用远程json数据对象设置元数据内容 - * 实现过程：调用父类Task中的setContentByRemoteJSON ()函数 - */ - @Override - public void setContentByRemoteJSON(JSONObject js) { - super.setContentByRemoteJSON(js); - if (getNotes() != null) { - try { - JSONObject metaInfo = new JSONObject(getNotes().trim()); - mRelatedGid = metaInfo.getString(GTaskStringUtils.META_HEAD_GTASK_ID); - } catch (JSONException e) { - Log.w(TAG, "failed to get related gid"); - /* - * 输出警告信息 - */ - mRelatedGid = null; - } - } - } - /* - * 功能描述：使用本地json数据对象设置元数据内容，一般不会用到，若用到，则抛出异常 - */ - @Override - public void setContentByLocalJSON(JSONObject js) { - // this function should not be called - throw new IllegalAccessError("MetaData:setContentByLocalJSON should not be called"); - /* - * 传递非法参数异常 - */ - } - /* - * 功能描述：从元数据内容中获取本地json对象，一般不会用到，若用到，则抛出异常 - */ - @Override - public JSONObject getLocalJSONFromContent() { - throw new IllegalAccessError("MetaData:getLocalJSONFromContent should not be called"); - /* - * 传递非法参数异常 - */ - } - - @Override - public int getSyncAction(Cursor c) { - throw new IllegalAccessError("MetaData:getSyncAction should not be called"); - /* - * 传递非法参数异常 - */ - } - -} diff --git a/doc/精读报告/gtask/data/Node.doc b/doc/精读报告/gtask/data/Node.doc deleted file mode 100644 index fabe296..0000000 --- a/doc/精读报告/gtask/data/Node.doc +++ /dev/null @@ -1,104 +0,0 @@ -/* - * 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.gtask.data; - -import android.database.Cursor; - -import org.json.JSONObject; -/* - * 应该是同步操作的基础数据类型，定义了相关指示同步操作的常量 -*/ -public abstract class Node { - //定义了各种用于表征同步状态的常量 - public static final int SYNC_ACTION_NONE = 0;// 本地和云端都无可更新内容（即本地和云端内容一致） - - public static final int SYNC_ACTION_ADD_REMOTE = 1;// 需要在远程云端增加内容 - - public static final int SYNC_ACTION_ADD_LOCAL = 2;// 需要在本地增加内容 - - public static final int SYNC_ACTION_DEL_REMOTE = 3;// 需要在远程云端删除内容 - - public static final int SYNC_ACTION_DEL_LOCAL = 4;// 需要在本地删除内容 - - public static final int SYNC_ACTION_UPDATE_REMOTE = 5;// 需要将本地内容更新到远程云端 - - public static final int SYNC_ACTION_UPDATE_LOCAL = 6;// 需要将远程云端内容更新到本地 - - public static final int SYNC_ACTION_UPDATE_CONFLICT = 7;// 同步出现冲突 - - public static final int SYNC_ACTION_ERROR = 8;// 同步出现错误 - - private String mGid; - - private String mName; - - private long mLastModified; - //记录最后一次修改时间 - private boolean mDeleted; - //表征是否被删除 - public Node() { - mGid = null; - mName = ""; - mLastModified = 0; - mDeleted = false; - } - - public abstract JSONObject getCreateAction(int actionId); - - public abstract JSONObject getUpdateAction(int actionId); - - public abstract void setContentByRemoteJSON(JSONObject js); - - public abstract void setContentByLocalJSON(JSONObject js); - - public abstract JSONObject getLocalJSONFromContent(); - - public abstract int getSyncAction(Cursor c); - - public void setGid(String gid) { - this.mGid = gid; - } - - public void setName(String name) { - this.mName = name; - } - - public void setLastModified(long lastModified) { - this.mLastModified = lastModified; - } - - public void setDeleted(boolean deleted) { - this.mDeleted = deleted; - } - - public String getGid() { - return this.mGid; - } - - public String getName() { - return this.mName; - } - - public long getLastModified() { - return this.mLastModified; - } - - public boolean getDeleted() { - return this.mDeleted; - } - -} diff --git a/doc/精读报告/gtask/data/SqlData.doc b/doc/精读报告/gtask/data/SqlData.doc deleted file mode 100644 index ff9ab81..0000000 --- a/doc/精读报告/gtask/data/SqlData.doc +++ /dev/null @@ -1,218 +0,0 @@ -/* - * 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. - */ -/* - * Description：用于支持小米便签最底层的数据库相关操作，和sqlnote的关系上是子集关系，即data是note的子集（节点）。 - * SqlData其实就是也就是所谓数据中的数据 - */ -package net.micode.notes.gtask.data; - -import android.content.ContentResolver; -import android.content.ContentUris; -import android.content.ContentValues; -import android.content.Context; -import android.database.Cursor; -import android.net.Uri; -import android.util.Log; - -import net.micode.notes.data.Notes; -import net.micode.notes.data.Notes.DataColumns; -import net.micode.notes.data.Notes.DataConstants; -import net.micode.notes.data.Notes.NoteColumns; -import net.micode.notes.data.NotesDatabaseHelper.TABLE; -import net.micode.notes.gtask.exception.ActionFailureException; - -import org.json.JSONException; -import org.json.JSONObject; - - -public class SqlData { - /* - * 功能描述：得到类的简写名称存入字符串TAG中 - * 实现过程：调用getSimpleName ()函数 - */ - private static final String TAG = SqlData.class.getSimpleName(); - - private static final int INVALID_ID = -99999; - /* - * 来自Notes类中定义的DataColumn中的一些常量 - */ - // 集合了interface DataColumns中所有SF常量 - public static final String[] PROJECTION_DATA = new String[] { - DataColumns.ID, DataColumns.MIME_TYPE, DataColumns.CONTENT, DataColumns.DATA1, - DataColumns.DATA3 - }; -/* - * 以下五个变量作为sql表中5列的编号 - */ - public static final int DATA_ID_COLUMN = 0; - - public static final int DATA_MIME_TYPE_COLUMN = 1; - - public static final int DATA_CONTENT_COLUMN = 2; - - public static final int DATA_CONTENT_DATA_1_COLUMN = 3; - - public static final int DATA_CONTENT_DATA_3_COLUMN = 4; - - private ContentResolver mContentResolver; - //判断是否直接用Content生成，是为true，否则为false - private boolean mIsCreate; - - private long mDataId; - - private String mDataMimeType; - - private String mDataContent; - - private long mDataContentData1; - - private String mDataContentData3; - - private ContentValues mDiffDataValues; - /* - * 功能描述：构造函数，用于初始化数据 - * 参数注解：mContentResolver用于获取ContentProvider提供的数据 - * 参数注解： mIsCreate表征当前数据是用哪种方式创建（两种构造函数的参数不同） - */ - public SqlData(Context context) { - mContentResolver = context.getContentResolver(); - mIsCreate = true; - mDataId = INVALID_ID; - mDataMimeType = DataConstants.NOTE; - mDataContent = ""; - mDataContentData1 = 0; - mDataContentData3 = ""; - mDiffDataValues = new ContentValues(); - } - - public SqlData(Context context, Cursor c) { - mContentResolver = context.getContentResolver(); - mIsCreate = false; - loadFromCursor(c); - mDiffDataValues = new ContentValues(); - } - /* - * 功能描述：从光标处加载数据 - * 从当前的光标处将五列的数据加载到该类的对象 - */ - private void loadFromCursor(Cursor c) { - mDataId = c.getLong(DATA_ID_COLUMN); - mDataMimeType = c.getString(DATA_MIME_TYPE_COLUMN); - mDataContent = c.getString(DATA_CONTENT_COLUMN); - mDataContentData1 = c.getLong(DATA_CONTENT_DATA_1_COLUMN); - mDataContentData3 = c.getString(DATA_CONTENT_DATA_3_COLUMN); - } - /* - * 功能描述：设置用于共享的数据，并提供异常抛出与处理机制 - */ - public void setContent(JSONObject js) throws JSONException { - //如果传入的JSONObject对象中有DataColumns.ID这一项，则设置，否则设为INVALID_ID - long dataId = js.has(DataColumns.ID) ? js.getLong(DataColumns.ID) : INVALID_ID; - if (mIsCreate || mDataId != dataId) { - mDiffDataValues.put(DataColumns.ID, dataId); - } - mDataId = dataId; - - String dataMimeType = js.has(DataColumns.MIME_TYPE) ? js.getString(DataColumns.MIME_TYPE) - : DataConstants.NOTE; - if (mIsCreate || !mDataMimeType.equals(dataMimeType)) { - mDiffDataValues.put(DataColumns.MIME_TYPE, dataMimeType); - } - mDataMimeType = dataMimeType; - - String dataContent = js.has(DataColumns.CONTENT) ? js.getString(DataColumns.CONTENT) : ""; - if (mIsCreate || !mDataContent.equals(dataContent)) { - mDiffDataValues.put(DataColumns.CONTENT, dataContent); - } - mDataContent = dataContent; - - long dataContentData1 = js.has(DataColumns.DATA1) ? js.getLong(DataColumns.DATA1) : 0; - if (mIsCreate || mDataContentData1 != dataContentData1) { - mDiffDataValues.put(DataColumns.DATA1, dataContentData1); - } - mDataContentData1 = dataContentData1; - - String dataContentData3 = js.has(DataColumns.DATA3) ? js.getString(DataColumns.DATA3) : ""; - if (mIsCreate || !mDataContentData3.equals(dataContentData3)) { - mDiffDataValues.put(DataColumns.DATA3, dataContentData3); - } - mDataContentData3 = dataContentData3; - } - /* - * 功能描述：获取共享的数据内容，并提供异常抛出与处理机制 - */ - public JSONObject getContent() throws JSONException { - if (mIsCreate) { - Log.e(TAG, "it seems that we haven't created this in database yet"); - return null; - //创建JSONObject对象。并将相关数据放入其中，并返回。 - } - JSONObject js = new JSONObject(); - js.put(DataColumns.ID, mDataId); - js.put(DataColumns.MIME_TYPE, mDataMimeType); - js.put(DataColumns.CONTENT, mDataContent); - js.put(DataColumns.DATA1, mDataContentData1); - js.put(DataColumns.DATA3, mDataContentData3); - return js; - } - /* - * 功能描述：commit函数用于把当前造作所做的修改保存到数据库 - */ - public void commit(long noteId, boolean validateVersion, long version) { - - if (mIsCreate) { - if (mDataId == INVALID_ID && mDiffDataValues.containsKey(DataColumns.ID)) { - mDiffDataValues.remove(DataColumns.ID); - } - - mDiffDataValues.put(DataColumns.NOTE_ID, noteId); - Uri uri = mContentResolver.insert(Notes.CONTENT_DATA_URI, mDiffDataValues); - try { - mDataId = Long.valueOf(uri.getPathSegments().get(1)); - } catch (NumberFormatException e) { - Log.e(TAG, "Get note id error :" + e.toString()); - throw new ActionFailureException("create note failed"); - } - } else { - if (mDiffDataValues.size() > 0) { - int result = 0; - if (!validateVersion) { - result = mContentResolver.update(ContentUris.withAppendedId( - Notes.CONTENT_DATA_URI, mDataId), mDiffDataValues, null, null); - } else { - result = mContentResolver.update(ContentUris.withAppendedId( - Notes.CONTENT_DATA_URI, mDataId), mDiffDataValues, - " ? in (SELECT " + NoteColumns.ID + " FROM " + TABLE.NOTE - + " WHERE " + NoteColumns.VERSION + "=?)", new String[] { - String.valueOf(noteId), String.valueOf(version) - }); - } - if (result == 0) { - Log.w(TAG, "there is no update. maybe user updates note when syncing"); - } - } - } - - mDiffDataValues.clear(); - mIsCreate = false; - } - /* - * 功能描述：获取当前id - */ - public long getId() { - return mDataId; - } -} diff --git a/doc/精读报告/gtask/data/SqlNote.doc b/doc/精读报告/gtask/data/SqlNote.doc deleted file mode 100644 index 6e3e842..0000000 --- a/doc/精读报告/gtask/data/SqlNote.doc +++ /dev/null @@ -1,566 +0,0 @@ -/* - * 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.gtask.data; - -import android.appwidget.AppWidgetManager; -import android.content.ContentResolver; -import android.content.ContentValues; -import android.content.Context; -import android.database.Cursor; -import android.net.Uri; -import android.util.Log; - -import net.micode.notes.data.Notes; -import net.micode.notes.data.Notes.DataColumns; -import net.micode.notes.data.Notes.NoteColumns; -import net.micode.notes.gtask.exception.ActionFailureException; -import net.micode.notes.tool.GTaskStringUtils; -import net.micode.notes.tool.ResourceParser; - -import org.json.JSONArray; -import org.json.JSONException; -import org.json.JSONObject; - -import java.util.ArrayList; - - -public class SqlNote { - /* - * 功能描述：得到类的简写名称存入字符串TAG中 - * 实现过程：调用getSimpleName ()函数 - */ - private static final String TAG = SqlNote.class.getSimpleName(); - - private static final int INVALID_ID = -99999; - // 集合了interface NoteColumns中所有SF常量（17个） - public static final String[] PROJECTION_NOTE = 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.SYNC_ID, - NoteColumns.LOCAL_MODIFIED, NoteColumns.ORIGIN_PARENT_ID, NoteColumns.GTASK_ID, - NoteColumns.VERSION - }; - - public static final int ID_COLUMN = 0; - - public static final int ALERTED_DATE_COLUMN = 1; - - public static final int BG_COLOR_ID_COLUMN = 2; - - public static final int CREATED_DATE_COLUMN = 3; - - public static final int HAS_ATTACHMENT_COLUMN = 4; - - public static final int MODIFIED_DATE_COLUMN = 5; - - public static final int NOTES_COUNT_COLUMN = 6; - - public static final int PARENT_ID_COLUMN = 7; - - public static final int SNIPPET_COLUMN = 8; - - public static final int TYPE_COLUMN = 9; - - public static final int WIDGET_ID_COLUMN = 10; - - public static final int WIDGET_TYPE_COLUMN = 11; - - public static final int SYNC_ID_COLUMN = 12; - - public static final int LOCAL_MODIFIED_COLUMN = 13; - - public static final int ORIGIN_PARENT_ID_COLUMN = 14; - - public static final int GTASK_ID_COLUMN = 15; - - public static final int VERSION_COLUMN = 16; - //一下定义了17个内部的变量，其中12个可以由content中获得，5个需要初始化为0或者new - private Context mContext; - - private ContentResolver mContentResolver; - - private boolean mIsCreate; - - private long mId; - - private long mAlertDate; - - private int mBgColorId; - - private long mCreatedDate; - - private int mHasAttachment; - - private long mModifiedDate; - - private long mParentId; - - private String mSnippet; - - private int mType; - - private int mWidgetId; - - private int mWidgetType; - - private long mOriginParent; - - private long mVersion; - - private ContentValues mDiffNoteValues; - - private ArrayList mDataList; - - - /* - * 功能描述：构造函数 - * 参数注解： mIsCreate用于标示构造方式 - */ - //构造函数只有context，对所有的变量进行初始化 - public SqlNote(Context context) { - mContext = context; - mContentResolver = context.getContentResolver(); - mIsCreate = true; - mId = INVALID_ID; - mAlertDate = 0; - mBgColorId = ResourceParser.getDefaultBgId(context); - mCreatedDate = System.currentTimeMillis();//调用系统函数获得创建时间 - mHasAttachment = 0; - mModifiedDate = System.currentTimeMillis();//最后一次修改时间初始化为创建时间 - mParentId = 0; - mSnippet = ""; - mType = Notes.TYPE_NOTE; - mWidgetId = AppWidgetManager.INVALID_APPWIDGET_ID; - mWidgetType = Notes.TYPE_WIDGET_INVALIDE; - mOriginParent = 0; - mVersion = 0; - mDiffNoteValues = new ContentValues(); - mDataList = new ArrayList(); - } - /* - * 功能描述：构造函数 - * 参数注解： mIsCreate用于标示构造方式 - */ - //构造函数有context和一个数据库的cursor，多数变量通过cursor指向的一条记录直接进行初始化 - public SqlNote(Context context, Cursor c) { - mContext = context; - mContentResolver = context.getContentResolver(); - mIsCreate = false; - loadFromCursor(c); - mDataList = new ArrayList(); - if (mType == Notes.TYPE_NOTE) - loadDataContent(); - mDiffNoteValues = new ContentValues(); - } - /* - * 功能描述：构造函数 - * 参数注解： mIsCreate用于标示构造方式 - */ - public SqlNote(Context context, long id) { - mContext = context; - mContentResolver = context.getContentResolver(); - mIsCreate = false; - loadFromCursor(id); - mDataList = new ArrayList(); - if (mType == Notes.TYPE_NOTE) - loadDataContent(); - mDiffNoteValues = new ContentValues(); - - } -/* - * 功能描述：通过id从光标处加载数据 -*/ - private void loadFromCursor(long id) { - Cursor c = null; - try { - c = mContentResolver.query(Notes.CONTENT_NOTE_URI, PROJECTION_NOTE, "(_id=?)", - new String[] { - String.valueOf(id) - }, null);//通过id获得对应的ContentResolver中的cursor - if (c != null) { - c.moveToNext(); - loadFromCursor(c);//然后加载数据进行初始化，这样函数 - - //SqlNote(Context context, long id)与SqlNote(Context context, long id)的实现方式基本相同 - } else { - Log.w(TAG, "loadFromCursor: cursor = null"); - } - } finally { - if (c != null) - c.close(); - } - } - /* - * 功能描述：通过游标从光标处加载数据 - */ - - private void loadFromCursor(Cursor c) { - //直接从一条记录中的获得以下变量的初始值 - mId = c.getLong(ID_COLUMN); - mAlertDate = c.getLong(ALERTED_DATE_COLUMN); - mBgColorId = c.getInt(BG_COLOR_ID_COLUMN); - mCreatedDate = c.getLong(CREATED_DATE_COLUMN); - mHasAttachment = c.getInt(HAS_ATTACHMENT_COLUMN); - mModifiedDate = c.getLong(MODIFIED_DATE_COLUMN); - mParentId = c.getLong(PARENT_ID_COLUMN); - mSnippet = c.getString(SNIPPET_COLUMN); - mType = c.getInt(TYPE_COLUMN); - mWidgetId = c.getInt(WIDGET_ID_COLUMN); - mWidgetType = c.getInt(WIDGET_TYPE_COLUMN); - mVersion = c.getLong(VERSION_COLUMN); - } - /* - * 功能描述：通过content机制获取共享数据并加载到数据库当前游标处 - */ - private void loadDataContent() { - Cursor c = null; - mDataList.clear(); - try { - c = mContentResolver.query(Notes.CONTENT_DATA_URI, SqlData.PROJECTION_DATA, - "(note_id=?)", new String[] { - String.valueOf(mId) - }, null); - if (c != null) { - if (c.getCount() == 0) { - Log.w(TAG, "it seems that the note has not data"); - return; - } - while (c.moveToNext()) { - SqlData data = new SqlData(mContext, c); - mDataList.add(data); - } - } else { - Log.w(TAG, "loadDataContent: cursor = null"); - } - } finally { - if (c != null) - c.close(); - } - } - /* - * 功能描述：设置通过content机制用于共享的数据信息 - - */ - public boolean setContent(JSONObject js) { - try { - JSONObject note = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE); - if (note.getInt(NoteColumns.TYPE) == Notes.TYPE_SYSTEM) { - Log.w(TAG, "cannot set system folder"); - } else if (note.getInt(NoteColumns.TYPE) == Notes.TYPE_FOLDER) { - // for folder we can only update the snnipet and type - String snippet = note.has(NoteColumns.SNIPPET) ? note - .getString(NoteColumns.SNIPPET) : ""; - if (mIsCreate || !mSnippet.equals(snippet)) { - mDiffNoteValues.put(NoteColumns.SNIPPET, snippet); - } - mSnippet = snippet; - - int type = note.has(NoteColumns.TYPE) ? note.getInt(NoteColumns.TYPE) - : Notes.TYPE_NOTE; - if (mIsCreate || mType != type) { - mDiffNoteValues.put(NoteColumns.TYPE, type); - } - mType = type; - } else if (note.getInt(NoteColumns.TYPE) == Notes.TYPE_NOTE) { - JSONArray dataArray = js.getJSONArray(GTaskStringUtils.META_HEAD_DATA); - long id = note.has(NoteColumns.ID) ? note.getLong(NoteColumns.ID) : INVALID_ID; - if (mIsCreate || mId != id) { - mDiffNoteValues.put(NoteColumns.ID, id); - } - mId = id; - - long alertDate = note.has(NoteColumns.ALERTED_DATE) ? note - .getLong(NoteColumns.ALERTED_DATE) : 0; - if (mIsCreate || mAlertDate != alertDate) { - mDiffNoteValues.put(NoteColumns.ALERTED_DATE, alertDate); - } - mAlertDate = alertDate; - - int bgColorId = note.has(NoteColumns.BG_COLOR_ID) ? note - .getInt(NoteColumns.BG_COLOR_ID) : ResourceParser.getDefaultBgId(mContext); - if (mIsCreate || mBgColorId != bgColorId) { - mDiffNoteValues.put(NoteColumns.BG_COLOR_ID, bgColorId); - } - mBgColorId = bgColorId; - - long createDate = note.has(NoteColumns.CREATED_DATE) ? note - .getLong(NoteColumns.CREATED_DATE) : System.currentTimeMillis(); - if (mIsCreate || mCreatedDate != createDate) { - mDiffNoteValues.put(NoteColumns.CREATED_DATE, createDate); - } - mCreatedDate = createDate; - - int hasAttachment = note.has(NoteColumns.HAS_ATTACHMENT) ? note - .getInt(NoteColumns.HAS_ATTACHMENT) : 0; - if (mIsCreate || mHasAttachment != hasAttachment) { - mDiffNoteValues.put(NoteColumns.HAS_ATTACHMENT, hasAttachment); - } - mHasAttachment = hasAttachment; - - long modifiedDate = note.has(NoteColumns.MODIFIED_DATE) ? note - .getLong(NoteColumns.MODIFIED_DATE) : System.currentTimeMillis(); - if (mIsCreate || mModifiedDate != modifiedDate) { - mDiffNoteValues.put(NoteColumns.MODIFIED_DATE, modifiedDate); - } - mModifiedDate = modifiedDate; - - long parentId = note.has(NoteColumns.PARENT_ID) ? note - .getLong(NoteColumns.PARENT_ID) : 0; - if (mIsCreate || mParentId != parentId) { - mDiffNoteValues.put(NoteColumns.PARENT_ID, parentId); - } - mParentId = parentId; - - String snippet = note.has(NoteColumns.SNIPPET) ? note - .getString(NoteColumns.SNIPPET) : ""; - if (mIsCreate || !mSnippet.equals(snippet)) { - mDiffNoteValues.put(NoteColumns.SNIPPET, snippet); - } - mSnippet = snippet; - - int type = note.has(NoteColumns.TYPE) ? note.getInt(NoteColumns.TYPE) - : Notes.TYPE_NOTE; - if (mIsCreate || mType != type) { - mDiffNoteValues.put(NoteColumns.TYPE, type); - } - mType = type; - - int widgetId = note.has(NoteColumns.WIDGET_ID) ? note.getInt(NoteColumns.WIDGET_ID) - : AppWidgetManager.INVALID_APPWIDGET_ID; - if (mIsCreate || mWidgetId != widgetId) { - mDiffNoteValues.put(NoteColumns.WIDGET_ID, widgetId); - } - mWidgetId = widgetId; - - int widgetType = note.has(NoteColumns.WIDGET_TYPE) ? note - .getInt(NoteColumns.WIDGET_TYPE) : Notes.TYPE_WIDGET_INVALIDE; - if (mIsCreate || mWidgetType != widgetType) { - mDiffNoteValues.put(NoteColumns.WIDGET_TYPE, widgetType); - } - mWidgetType = widgetType; - - long originParent = note.has(NoteColumns.ORIGIN_PARENT_ID) ? note - .getLong(NoteColumns.ORIGIN_PARENT_ID) : 0; - if (mIsCreate || mOriginParent != originParent) { - mDiffNoteValues.put(NoteColumns.ORIGIN_PARENT_ID, originParent); - } - mOriginParent = originParent; - - for (int i = 0; i < dataArray.length(); i++) { - JSONObject data = dataArray.getJSONObject(i); - SqlData sqlData = null; - if (data.has(DataColumns.ID)) { - long dataId = data.getLong(DataColumns.ID); - for (SqlData temp : mDataList) { - if (dataId == temp.getId()) { - sqlData = temp; - } - } - } - - if (sqlData == null) { - sqlData = new SqlData(mContext); - mDataList.add(sqlData); - } - - sqlData.setContent(data); - } - } - } catch (JSONException e) { - Log.e(TAG, e.toString()); - e.printStackTrace(); - return false; - } - return true; - } - /* - * 功能描述：获取content机制提供的数据并加载到note中 - */ - public JSONObject getContent() { - try { - JSONObject js = new JSONObject(); - - if (mIsCreate) { - Log.e(TAG, "it seems that we haven't created this in database yet"); - return null; - } - - JSONObject note = new JSONObject(); - if (mType == Notes.TYPE_NOTE) { - //类型为note时 - note.put(NoteColumns.ID, mId); - note.put(NoteColumns.ALERTED_DATE, mAlertDate); - note.put(NoteColumns.BG_COLOR_ID, mBgColorId); - note.put(NoteColumns.CREATED_DATE, mCreatedDate); - note.put(NoteColumns.HAS_ATTACHMENT, mHasAttachment); - note.put(NoteColumns.MODIFIED_DATE, mModifiedDate); - note.put(NoteColumns.PARENT_ID, mParentId); - note.put(NoteColumns.SNIPPET, mSnippet); - note.put(NoteColumns.TYPE, mType); - note.put(NoteColumns.WIDGET_ID, mWidgetId); - note.put(NoteColumns.WIDGET_TYPE, mWidgetType); - note.put(NoteColumns.ORIGIN_PARENT_ID, mOriginParent); - js.put(GTaskStringUtils.META_HEAD_NOTE, note); - - JSONArray dataArray = new JSONArray(); - for (SqlData sqlData : mDataList) { - JSONObject data = sqlData.getContent(); - if (data != null) { - dataArray.put(data); - } - } - js.put(GTaskStringUtils.META_HEAD_DATA, dataArray); - } else if (mType == Notes.TYPE_FOLDER || mType == Notes.TYPE_SYSTEM) { - note.put(NoteColumns.ID, mId); - note.put(NoteColumns.TYPE, mType); - note.put(NoteColumns.SNIPPET, mSnippet); - js.put(GTaskStringUtils.META_HEAD_NOTE, note); - } - - return js; - } catch (JSONException e) { - Log.e(TAG, e.toString()); - e.printStackTrace(); - } - return null; - } -/* - * 功能描述：给当前id设置父id - */ - public void setParentId(long id) { - mParentId = id; - mDiffNoteValues.put(NoteColumns.PARENT_ID, id); - } - - /* - * 功能描述：给当前id设置Gtaskid - */ - public void setGtaskId(String gid) { - mDiffNoteValues.put(NoteColumns.GTASK_ID, gid); - } - - /* - * 功能描述：给当前id设置同步id - - */ - public void setSyncId(long syncId) { - mDiffNoteValues.put(NoteColumns.SYNC_ID, syncId); - } - - /* - * 功能描述：初始化本地修改，即撤销所有当前修改 - */ - public void resetLocalModified() { - mDiffNoteValues.put(NoteColumns.LOCAL_MODIFIED, 0); - } - - /* - * 功能描述：获得当前id - */ - public long getId() { - return mId; - } - - /* - * 功能描述：获得当前id的父id - */ - public long getParentId() { - return mParentId; - } - - /* - * 功能描述：获取小片段即用于显示的部分便签内容 - */ - public String getSnippet() { - return mSnippet; - } - /* - * 功能描述：判断是否为便签类型 - */ - public boolean isNoteType() { - return mType == Notes.TYPE_NOTE; - } - - /* - * 功能描述：commit函数用于把当前造作所做的修改保存到数据库 - */ - public void commit(boolean validateVersion) { - if (mIsCreate) { - if (mId == INVALID_ID && mDiffNoteValues.containsKey(NoteColumns.ID)) { - mDiffNoteValues.remove(NoteColumns.ID); - } - - Uri uri = mContentResolver.insert(Notes.CONTENT_NOTE_URI, mDiffNoteValues); - try { - mId = Long.valueOf(uri.getPathSegments().get(1)); - } catch (NumberFormatException e) { - Log.e(TAG, "Get note id error :" + e.toString()); - throw new ActionFailureException("create note failed"); - } - if (mId == 0) { - throw new IllegalStateException("Create thread id failed"); - } - - if (mType == Notes.TYPE_NOTE) { - for (SqlData sqlData : mDataList) { - //直接使用sqldata中的实现 - sqlData.commit(mId, false, -1); - } - } - } else { - if (mId <= 0 && mId != Notes.ID_ROOT_FOLDER && mId != Notes.ID_CALL_RECORD_FOLDER) { - Log.e(TAG, "No such note"); - throw new IllegalStateException("Try to update note with invalid id"); - } - if (mDiffNoteValues.size() > 0) { - mVersion ++; - int result = 0; - if (!validateVersion) { - //构造字符串 - result = mContentResolver.update(Notes.CONTENT_NOTE_URI, mDiffNoteValues, "(" - + NoteColumns.ID + "=?)", new String[] { - String.valueOf(mId) - }); - } else { - result = mContentResolver.update(Notes.CONTENT_NOTE_URI, mDiffNoteValues, "(" - + NoteColumns.ID + "=?) AND (" + NoteColumns.VERSION + "<=?)", - new String[] { - String.valueOf(mId), String.valueOf(mVersion) - }); - } - if (result == 0) { - Log.w(TAG, "there is no update. maybe user updates note when syncing"); - } - } - - if (mType == Notes.TYPE_NOTE) { - for (SqlData sqlData : mDataList) { - sqlData.commit(mId, validateVersion, mVersion); - } - } - } - - // refresh local info - loadFromCursor(mId); - if (mType == Notes.TYPE_NOTE) - loadDataContent(); - - mDiffNoteValues.clear(); - mIsCreate = false; - } -} diff --git a/doc/精读报告/gtask/data/Task.doc b/doc/精读报告/gtask/data/Task.doc deleted file mode 100644 index 72068a0..0000000 --- a/doc/精读报告/gtask/data/Task.doc +++ /dev/null @@ -1,351 +0,0 @@ -/* - * 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.gtask.data; - -import android.database.Cursor; -import android.text.TextUtils; -import android.util.Log; - -import net.micode.notes.data.Notes; -import net.micode.notes.data.Notes.DataColumns; -import net.micode.notes.data.Notes.DataConstants; -import net.micode.notes.data.Notes.NoteColumns; -import net.micode.notes.gtask.exception.ActionFailureException; -import net.micode.notes.tool.GTaskStringUtils; - -import org.json.JSONArray; -import org.json.JSONException; -import org.json.JSONObject; - - -public class Task extends Node { - private static final String TAG = Task.class.getSimpleName(); - - private boolean mCompleted;//是否完成 - - private String mNotes; - - private JSONObject mMetaInfo;//将在实例中存储数据的类型 - - private Task mPriorSibling;//对应的优先兄弟Task的指针（待完善） - - private TaskList mParent;//所在的任务列表的指针 - - public Task() { - super(); - mCompleted = false; - mNotes = null; - mPriorSibling = null;//TaskList中当前Task前面的Task的指针 - mParent = null;//当前Task所在的TaskList - mMetaInfo = null; - } - - public JSONObject getCreateAction(int actionId) { - JSONObject js = new JSONObject(); - - try { - // action_type - js.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE, - GTaskStringUtils.GTASK_JSON_ACTION_TYPE_CREATE); - - // action_id - js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId); - - // index - js.put(GTaskStringUtils.GTASK_JSON_INDEX, mParent.getChildTaskIndex(this)); - - // entity_delta - JSONObject entity = new JSONObject(); - entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName()); - entity.put(GTaskStringUtils.GTASK_JSON_CREATOR_ID, "null"); - entity.put(GTaskStringUtils.GTASK_JSON_ENTITY_TYPE, - GTaskStringUtils.GTASK_JSON_TYPE_TASK); - if (getNotes() != null) { - entity.put(GTaskStringUtils.GTASK_JSON_NOTES, getNotes()); - } - js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity); - - // parent_id - js.put(GTaskStringUtils.GTASK_JSON_PARENT_ID, mParent.getGid()); - - // dest_parent_type - js.put(GTaskStringUtils.GTASK_JSON_DEST_PARENT_TYPE, - GTaskStringUtils.GTASK_JSON_TYPE_GROUP); - - // list_id - js.put(GTaskStringUtils.GTASK_JSON_LIST_ID, mParent.getGid()); - - // prior_sibling_id - if (mPriorSibling != null) { - js.put(GTaskStringUtils.GTASK_JSON_PRIOR_SIBLING_ID, mPriorSibling.getGid()); - } - - } catch (JSONException e) { - Log.e(TAG, e.toString()); - e.printStackTrace(); - throw new ActionFailureException("fail to generate task-create jsonobject"); - } - - return js; - } - - public JSONObject getUpdateAction(int actionId) { - JSONObject js = new JSONObject(); - - try { - // action_type - js.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE, - GTaskStringUtils.GTASK_JSON_ACTION_TYPE_UPDATE); - - // action_id - js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId); - - // id - js.put(GTaskStringUtils.GTASK_JSON_ID, getGid()); - - // entity_delta - JSONObject entity = new JSONObject(); - entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName()); - if (getNotes() != null) { - entity.put(GTaskStringUtils.GTASK_JSON_NOTES, getNotes()); - } - entity.put(GTaskStringUtils.GTASK_JSON_DELETED, getDeleted()); - js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity); - - } catch (JSONException e) { - Log.e(TAG, e.toString()); - e.printStackTrace(); - throw new ActionFailureException("fail to generate task-update jsonobject"); - } - - return js; - } - - public void setContentByRemoteJSON(JSONObject js) { - if (js != null) { - try { - // id - if (js.has(GTaskStringUtils.GTASK_JSON_ID)) { - setGid(js.getString(GTaskStringUtils.GTASK_JSON_ID)); - } - - // last_modified - if (js.has(GTaskStringUtils.GTASK_JSON_LAST_MODIFIED)) { - setLastModified(js.getLong(GTaskStringUtils.GTASK_JSON_LAST_MODIFIED)); - } - - // name - if (js.has(GTaskStringUtils.GTASK_JSON_NAME)) { - setName(js.getString(GTaskStringUtils.GTASK_JSON_NAME)); - } - - // notes - if (js.has(GTaskStringUtils.GTASK_JSON_NOTES)) { - setNotes(js.getString(GTaskStringUtils.GTASK_JSON_NOTES)); - } - - // deleted - if (js.has(GTaskStringUtils.GTASK_JSON_DELETED)) { - setDeleted(js.getBoolean(GTaskStringUtils.GTASK_JSON_DELETED)); - } - - // completed - if (js.has(GTaskStringUtils.GTASK_JSON_COMPLETED)) { - setCompleted(js.getBoolean(GTaskStringUtils.GTASK_JSON_COMPLETED)); - } - } catch (JSONException e) { - Log.e(TAG, e.toString()); - e.printStackTrace(); - throw new ActionFailureException("fail to get task content from jsonobject"); - } - } - } - - public void setContentByLocalJSON(JSONObject js) { - if (js == null || !js.has(GTaskStringUtils.META_HEAD_NOTE) - || !js.has(GTaskStringUtils.META_HEAD_DATA)) { - Log.w(TAG, "setContentByLocalJSON: nothing is avaiable"); - } - - try { - JSONObject note = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE); - JSONArray dataArray = js.getJSONArray(GTaskStringUtils.META_HEAD_DATA); - - if (note.getInt(NoteColumns.TYPE) != Notes.TYPE_NOTE) { - Log.e(TAG, "invalid type"); - return; - } - - for (int i = 0; i < dataArray.length(); i++) { - JSONObject data = dataArray.getJSONObject(i); - if (TextUtils.equals(data.getString(DataColumns.MIME_TYPE), DataConstants.NOTE)) { - setName(data.getString(DataColumns.CONTENT)); - break; - } - } - - } catch (JSONException e) { - Log.e(TAG, e.toString()); - e.printStackTrace(); - } - } - - public JSONObject getLocalJSONFromContent() { - String name = getName(); - try { - if (mMetaInfo == null) { - // new task created from web - if (name == null) { - Log.w(TAG, "the note seems to be an empty one"); - return null; - } - - JSONObject js = new JSONObject(); - JSONObject note = new JSONObject(); - JSONArray dataArray = new JSONArray(); - JSONObject data = new JSONObject(); - data.put(DataColumns.CONTENT, name); - dataArray.put(data); - js.put(GTaskStringUtils.META_HEAD_DATA, dataArray); - note.put(NoteColumns.TYPE, Notes.TYPE_NOTE); - js.put(GTaskStringUtils.META_HEAD_NOTE, note); - return js; - } else { - // synced task - JSONObject note = mMetaInfo.getJSONObject(GTaskStringUtils.META_HEAD_NOTE); - JSONArray dataArray = mMetaInfo.getJSONArray(GTaskStringUtils.META_HEAD_DATA); - - for (int i = 0; i < dataArray.length(); i++) { - JSONObject data = dataArray.getJSONObject(i); - if (TextUtils.equals(data.getString(DataColumns.MIME_TYPE), DataConstants.NOTE)) { - data.put(DataColumns.CONTENT, getName()); - break; - } - } - - note.put(NoteColumns.TYPE, Notes.TYPE_NOTE); - return mMetaInfo; - } - } catch (JSONException e) { - Log.e(TAG, e.toString()); - e.printStackTrace(); - return null; - } - } - - public void setMetaInfo(MetaData metaData) { - if (metaData != null && metaData.getNotes() != null) { - try { - mMetaInfo = new JSONObject(metaData.getNotes()); - } catch (JSONException e) { - Log.w(TAG, e.toString()); - mMetaInfo = null; - } - } - } - - public int getSyncAction(Cursor c) { - try { - JSONObject noteInfo = null; - if (mMetaInfo != null && mMetaInfo.has(GTaskStringUtils.META_HEAD_NOTE)) { - noteInfo = mMetaInfo.getJSONObject(GTaskStringUtils.META_HEAD_NOTE); - } - - if (noteInfo == null) { - Log.w(TAG, "it seems that note meta has been deleted"); - return SYNC_ACTION_UPDATE_REMOTE; - } - - if (!noteInfo.has(NoteColumns.ID)) { - Log.w(TAG, "remote note id seems to be deleted"); - return SYNC_ACTION_UPDATE_LOCAL; - } - - // validate the note id now - if (c.getLong(SqlNote.ID_COLUMN) != noteInfo.getLong(NoteColumns.ID)) { - Log.w(TAG, "note id doesn't match"); - return SYNC_ACTION_UPDATE_LOCAL; - } - - if (c.getInt(SqlNote.LOCAL_MODIFIED_COLUMN) == 0) { - // there is no local update - if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) { - // no update both side - return SYNC_ACTION_NONE; - } else { - // apply remote to local - return SYNC_ACTION_UPDATE_LOCAL; - } - } else { - // validate gtask id - if (!c.getString(SqlNote.GTASK_ID_COLUMN).equals(getGid())) { - Log.e(TAG, "gtask id doesn't match"); - return SYNC_ACTION_ERROR; - } - if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) { - // local modification only - return SYNC_ACTION_UPDATE_REMOTE; - } else { - return SYNC_ACTION_UPDATE_CONFLICT; - } - } - } catch (Exception e) { - Log.e(TAG, e.toString()); - e.printStackTrace(); - } - - return SYNC_ACTION_ERROR; - } - - public boolean isWorthSaving() { - return mMetaInfo != null || (getName() != null && getName().trim().length() > 0) - || (getNotes() != null && getNotes().trim().length() > 0); - } - - public void setCompleted(boolean completed) { - this.mCompleted = completed; - } - - public void setNotes(String notes) { - this.mNotes = notes; - } - - public void setPriorSibling(Task priorSibling) { - this.mPriorSibling = priorSibling; - } - - public void setParent(TaskList parent) { - this.mParent = parent; - } - - public boolean getCompleted() { - return this.mCompleted; - } - - public String getNotes() { - return this.mNotes; - } - - public Task getPriorSibling() { - return this.mPriorSibling; - } - - public TaskList getParent() { - return this.mParent; - } - -} diff --git a/doc/精读报告/gtask/data/TaskList.doc b/doc/精读报告/gtask/data/TaskList.doc deleted file mode 100644 index 37dad1c..0000000 --- a/doc/精读报告/gtask/data/TaskList.doc +++ /dev/null @@ -1,401 +0,0 @@ -/* - * 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.gtask.data; - -import android.database.Cursor; -import android.util.Log; - -import net.micode.notes.data.Notes; -import net.micode.notes.data.Notes.NoteColumns; -import net.micode.notes.gtask.exception.ActionFailureException; -import net.micode.notes.tool.GTaskStringUtils; - -import org.json.JSONException; -import org.json.JSONObject; - -import java.util.ArrayList; - - -public class TaskList extends Node { - private static final String TAG = TaskList.class.getSimpleName();//tag标记 - - private int mIndex;//当前TaskList的指针 - - private ArrayList mChildren;//类中主要的保存数据的单元，用来实现一个以Task为元素的ArrayList - - public TaskList() { - super(); - mChildren = new ArrayList(); - mIndex = 1; - } - /* (non-Javadoc) - * @see net.micode.notes.gtask.data.Node#getCreateAction(int) - * 生成并返回一个包含了一定数据的JSONObject实体 - */ - public JSONObject getCreateAction(int actionId) { - JSONObject js = new JSONObject(); - - try { - // action_type - js.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE, - GTaskStringUtils.GTASK_JSON_ACTION_TYPE_CREATE); - - // action_id - js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId); - - // index - js.put(GTaskStringUtils.GTASK_JSON_INDEX, mIndex); - - // entity_delta - JSONObject entity = new JSONObject(); - entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName()); - entity.put(GTaskStringUtils.GTASK_JSON_CREATOR_ID, "null"); - entity.put(GTaskStringUtils.GTASK_JSON_ENTITY_TYPE, - GTaskStringUtils.GTASK_JSON_TYPE_GROUP); - js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity); - - } catch (JSONException e) { - Log.e(TAG, e.toString()); - e.printStackTrace(); - throw new ActionFailureException("fail to generate tasklist-create jsonobject"); - } - - return js; - } - - - /* (non-Javadoc) - * @see net.micode.notes.gtask.data.Node#getUpdateAction(int) - * 生成并返回一个包含了一定数据的JSONObject实体 - */ - public JSONObject getUpdateAction(int actionId) { - JSONObject js = new JSONObject(); - - try { - // action_type - js.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE, - GTaskStringUtils.GTASK_JSON_ACTION_TYPE_UPDATE); - - // action_id - js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId); - - // id - js.put(GTaskStringUtils.GTASK_JSON_ID, getGid()); - - // entity_delta - JSONObject entity = new JSONObject(); - entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName()); - entity.put(GTaskStringUtils.GTASK_JSON_DELETED, getDeleted()); - js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity); - - } catch (JSONException e) { - Log.e(TAG, e.toString()); - e.printStackTrace(); - throw new ActionFailureException("fail to generate tasklist-update jsonobject"); - } - - return js; - } - - public void setContentByRemoteJSON(JSONObject js) { - if (js != null) { - try { - // id - if (js.has(GTaskStringUtils.GTASK_JSON_ID)) { - setGid(js.getString(GTaskStringUtils.GTASK_JSON_ID)); - } - - // last_modified - if (js.has(GTaskStringUtils.GTASK_JSON_LAST_MODIFIED)) { - setLastModified(js.getLong(GTaskStringUtils.GTASK_JSON_LAST_MODIFIED)); - } - - // name - if (js.has(GTaskStringUtils.GTASK_JSON_NAME)) { - setName(js.getString(GTaskStringUtils.GTASK_JSON_NAME)); - } - - } catch (JSONException e) { - Log.e(TAG, e.toString()); - e.printStackTrace(); - throw new ActionFailureException("fail to get tasklist content from jsonobject"); - } - } - } - - public void setContentByLocalJSON(JSONObject js) { - if (js == null || !js.has(GTaskStringUtils.META_HEAD_NOTE)) { - Log.w(TAG, "setContentByLocalJSON: nothing is avaiable"); - } - - try { - JSONObject folder = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE); - - if (folder.getInt(NoteColumns.TYPE) == Notes.TYPE_FOLDER) { - String name = folder.getString(NoteColumns.SNIPPET); - setName(GTaskStringUtils.MIUI_FOLDER_PREFFIX + name); - } else if (folder.getInt(NoteColumns.TYPE) == Notes.TYPE_SYSTEM) { - if (folder.getLong(NoteColumns.ID) == Notes.ID_ROOT_FOLDER) - setName(GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_DEFAULT); - else if (folder.getLong(NoteColumns.ID) == Notes.ID_CALL_RECORD_FOLDER) - setName(GTaskStringUtils.MIUI_FOLDER_PREFFIX - + GTaskStringUtils.FOLDER_CALL_NOTE); - else - Log.e(TAG, "invalid system folder"); - } else { - Log.e(TAG, "error type"); - } - } catch (JSONException e) { - Log.e(TAG, e.toString()); - e.printStackTrace(); - } - } - - public JSONObject getLocalJSONFromContent() { - try { - JSONObject js = new JSONObject(); - JSONObject folder = new JSONObject(); - - String folderName = getName(); - if (getName().startsWith(GTaskStringUtils.MIUI_FOLDER_PREFFIX)) - folderName = folderName.substring(GTaskStringUtils.MIUI_FOLDER_PREFFIX.length(), - folderName.length()); - folder.put(NoteColumns.SNIPPET, folderName); - if (folderName.equals(GTaskStringUtils.FOLDER_DEFAULT) - || folderName.equals(GTaskStringUtils.FOLDER_CALL_NOTE)) - folder.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM); - else - folder.put(NoteColumns.TYPE, Notes.TYPE_FOLDER); - - js.put(GTaskStringUtils.META_HEAD_NOTE, folder); - - return js; - } catch (JSONException e) { - Log.e(TAG, e.toString()); - e.printStackTrace(); - return null; - } - } - - public int getSyncAction(Cursor c) { - try { - if (c.getInt(SqlNote.LOCAL_MODIFIED_COLUMN) == 0) { - // there is no local update - if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) { - // no update both side - return SYNC_ACTION_NONE; - } else { - // apply remote to local - return SYNC_ACTION_UPDATE_LOCAL; - } - } else { - // validate gtask id - if (!c.getString(SqlNote.GTASK_ID_COLUMN).equals(getGid())) { - Log.e(TAG, "gtask id doesn't match"); - return SYNC_ACTION_ERROR; - } - if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) { - // local modification only - return SYNC_ACTION_UPDATE_REMOTE; - } else { - // for folder conflicts, just apply local modification - return SYNC_ACTION_UPDATE_REMOTE; - } - } - } catch (Exception e) { - Log.e(TAG, e.toString()); - e.printStackTrace(); - } - - return SYNC_ACTION_ERROR; - } - /* - * 功能：获得TaskList的大小，即mChildren的大小 - */ - public int getChildTaskCount() { - return mChildren.size(); - } - /** - * @param task - * @return 返回值为是否成功添加任务。 - * 功能：在当前任务表末尾添加新的任务。 - */ - public boolean addChildTask(Task task) { - boolean ret = false; - if (task != null && !mChildren.contains(task)) { - ret = mChildren.add(task); - if (ret) { - // need to set prior sibling and parent - task.setPriorSibling(mChildren.isEmpty() ? null : mChildren - .get(mChildren.size() - 1)); - task.setParent(this); - //注意：每一次ArrayList的变化都要紧跟相关Task中PriorSibling的更改 - //，接下来几个函数都有相关操作 - - } - } - return ret; - } - /** - * @param task - * @param index - * @return - * 功能：在当前任务表的指定位置添加新的任务。 - */ - public boolean addChildTask(Task task, int index) { - if (index < 0 || index > mChildren.size()) { - Log.e(TAG, "add child task: invalid index"); - return false; - } - - int pos = mChildren.indexOf(task); - if (task != null && pos == -1) { - mChildren.add(index, task); - - // update the task list - Task preTask = null; - Task afterTask = null; - if (index != 0) - preTask = mChildren.get(index - 1); - if (index != mChildren.size() - 1) - afterTask = mChildren.get(index + 1); - - task.setPriorSibling(preTask); - if (afterTask != null) - afterTask.setPriorSibling(task); - } - - return true; - } - /** - * @param task - * @return 返回删除是否成功 - * 功能：删除TaskList中的一个Task - */ - /** - * @param task - * @param index - * @return - * 功能：将当前TaskList中含有的某个Task移到index位置 - */ - public boolean removeChildTask(Task task) { - boolean ret = false; - int index = mChildren.indexOf(task); - if (index != -1) { - ret = mChildren.remove(task); - - if (ret) { - // reset prior sibling and parent - task.setPriorSibling(null); - task.setParent(null); - - // update the task list - if (index != mChildren.size()) { - mChildren.get(index).setPriorSibling( - index == 0 ? null : mChildren.get(index - 1)); - } - } - } - return ret; - } - /** - * @param gid - * @return返回寻找结果 - * 功能：按gid寻找Task - */ - public boolean moveChildTask(Task task, int index) { - - if (index < 0 || index >= mChildren.size()) { - Log.e(TAG, "move child task: invalid index"); - return false; - } - - int pos = mChildren.indexOf(task); - if (pos == -1) { - Log.e(TAG, "move child task: the task should in the list"); - return false; - } - - if (pos == index) - return true; - return (removeChildTask(task) && addChildTask(task, index)); - //利用已实现好的功能完成当下功能； - } - - - /** - * @param task - * @return - * 功能：返回指定Task的index - */ - public Task findChildTaskByGid(String gid) { - for (int i = 0; i < mChildren.size(); i++) { - Task t = mChildren.get(i); - if (t.getGid().equals(gid)) { - return t; - } - } - return null; - } - - - /** - * @param index - * @return - * 功能：返回指定index的Task - */ - public int getChildTaskIndex(Task task) { - return mChildren.indexOf(task); - } - - public Task getChildTaskByIndex(int index) { - if (index < 0 || index >= mChildren.size()) { - Log.e(TAG, "getTaskByIndex: invalid index"); - return null; - } - return mChildren.get(index); - } - - - /** - * @param gid - * @return - * 功能：返回指定gid的Task - */ - public Task getChilTaskByGid(String gid) { - for (Task task : mChildren) {//一种常见的ArrayList的遍历方法（四种，见精读笔记） - - if (task.getGid().equals(gid)) - return task; - } - return null; - } - - - - public ArrayList getChildTaskList() { - return this.mChildren; - } - - public void setIndex(int index) { - this.mIndex = index; - } - - public int getIndex() { - return this.mIndex; - } -} diff --git a/doc/精读报告/ui/AlarmAlertActivity.doc b/doc/精读报告/ui/AlarmAlertActivity.doc new file mode 100644 index 0000000..d3f8954 --- /dev/null +++ b/doc/精读报告/ui/AlarmAlertActivity.doc @@ -0,0 +1,176 @@ +/* + * 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; +import android.app.AlertDialog; +import android.content.Context; +import android.content.DialogInterface; +import android.content.DialogInterface.OnClickListener; +import android.content.DialogInterface.OnDismissListener; +import android.content.Intent; +import android.media.AudioManager; +import android.media.MediaPlayer; +import android.media.RingtoneManager; +import android.net.Uri; +import android.os.Bundle; +import android.os.PowerManager; +import android.provider.Settings; +import android.view.Window; +import android.view.WindowManager; + +import net.micode.notes.R; +import net.micode.notes.data.Notes; +import net.micode.notes.tool.DataUtils; + +import java.io.IOException; + + +public class AlarmAlertActivity extends Activity implements OnClickListener, OnDismissListener { + //. 继承了Activity类，改类实现了OnClickListener和 OnDismissListener两个接口，OnClickListener接口用来监听点击事件，OnDismissListener接口用来监听关闭对话框事件 + private long mNoteId;//文本在数据库中的ID号 + private String mSnippet;//闹钟提示时显示的文本 + private static final int SNIPPET_PREW_MAX_LEN = 60;//文本最大长度 + MediaPlayer mPlayer; + + @Override + protected void onCreate(Bundle savedInstanceState) { + super.onCreate(savedInstanceState);//Bundle类型的数据与Map类型的数据相似，都是以key-value的形式存储数据的 + //onsaveInstanceState方法是用来保存Activity的状态的 + //能从onCreate的参数savedInsanceState中获得状态数据 + requestWindowFeature(Window.FEATURE_NO_TITLE);//界面显示无标题 + + final Window win = getWindow(); + win.addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED); + + if (!isScreenOn()) { + win.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON + //保持屏幕亮屏 + | WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON + //唤醒屏幕 + | WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON + //允许亮屏时锁屏 + | WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR); + }//手机息屏后若闹钟铃响则亮屏 + + Intent intent = getIntent(); + + try { + mNoteId = Long.valueOf(intent.getData().getPathSegments().get(1)); + mSnippet = DataUtils.getSnippetById(this.getContentResolver(), mNoteId); + //根据ID从数据库中获取标签的内容 + //getContentResolver（）是实现数据共享，实例存储 + mSnippet = mSnippet.length() > SNIPPET_PREW_MAX_LEN ? mSnippet.substring(0, + SNIPPET_PREW_MAX_LEN) + getResources().getString(R.string.notelist_string_info) + : mSnippet;//判断标签片段是否达到符合长度 + } catch (IllegalArgumentException e) { + e.printStackTrace(); + return; + } + + mPlayer = new MediaPlayer(); + if (DataUtils.visibleInNoteDatabase(getContentResolver(), mNoteId, Notes.TYPE_NOTE)) { + showActionDialog();//弹出对话框 + playAlarmSound();//闹钟发出提示音 + } else { + finish();//完成闹钟动作 + } + } + + private boolean isScreenOn() { + //判断屏幕是否锁屏，调用系统函数判断，最后返回值是布尔类型 + PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE); + return pm.isScreenOn(); + } + + private void playAlarmSound() { + //闹钟发出提示音 + Uri url = RingtoneManager.getActualDefaultRingtoneUri(this, RingtoneManager.TYPE_ALARM); + //调用系统的铃声管理URI，得到闹钟提示音 + int silentModeStreams = Settings.System.getInt(getContentResolver(), + Settings.System.MODE_RINGER_STREAMS_AFFECTED, 0); + + if ((silentModeStreams & (1 << AudioManager.STREAM_ALARM)) != 0) { + mPlayer.setAudioStreamType(silentModeStreams); + } else { + mPlayer.setAudioStreamType(AudioManager.STREAM_ALARM); + } + try { + mPlayer.setDataSource(this, url); + //根据Uri设置多媒体数据来源 + mPlayer.prepare();//播放器准备 + mPlayer.setLooping(true);//设置循环播放 + mPlayer.start();//开始播放 + + } catch (IllegalArgumentException e) { + // TODO Auto-generated catch block + e.printStackTrace();//e.printStackTrace()函数功能是抛出异常， 还将显示出更深的调用信息 + } catch (SecurityException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } catch (IllegalStateException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } catch (IOException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } + } + + private void showActionDialog() { + AlertDialog.Builder dialog = new AlertDialog.Builder(this); + //AlertDialog的构造方法全部是Protected的 + //所以不能直接通过new一个AlertDialog来创建出一个AlertDialog。 + //要创建一个AlertDialog，就要用到AlertDialog.Builder中的create()方法 + //如这里的dialog就是新建了一个AlertDialog + dialog.setTitle(R.string.app_name);//为对话框设置标题 + dialog.setMessage(mSnippet);//为对话框设置内容 + dialog.setPositiveButton(R.string.notealert_ok, this);//给对话框添加"Yes"按钮 + if (isScreenOn()) { + dialog.setNegativeButton(R.string.notealert_enter, this); + }//对话框添加"No"按钮 + dialog.show().setOnDismissListener(this); + } + + public void onClick(DialogInterface dialog, int which) { + switch (which) { + //用which来选择click后下一步的操作 + case DialogInterface.BUTTON_NEGATIVE://这是取消操作 + Intent intent = new Intent(this, NoteEditActivity.class);//实现两个类间的数据传输 + intent.setAction(Intent.ACTION_VIEW);//设置动作属性 + intent.putExtra(Intent.EXTRA_UID, mNoteId);//实现key-value对 + //EXTRA_UID为key；mNoteId为键 + startActivity(intent);//开始动作 + break; + default://这是确定操作 + break; + } + } + + public void onDismiss(DialogInterface dialog) {//忽略 + stopAlarmSound();//停止闹钟声音 + finish();//完成该动作 + } + + private void stopAlarmSound() { + if (mPlayer != null) { + mPlayer.stop();//停止播放 + mPlayer.release();//释放MediaPlayer对象 + mPlayer = null; + } + } +} diff --git a/doc/精读报告/ui/AlarmInitReceiver.doc b/doc/精读报告/ui/AlarmInitReceiver.doc new file mode 100644 index 0000000..5c70518 --- /dev/null +++ b/doc/精读报告/ui/AlarmInitReceiver.doc @@ -0,0 +1,67 @@ +/* + * 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.AlarmManager; +import android.app.PendingIntent; +import android.content.BroadcastReceiver; +import android.content.ContentUris; +import android.content.Context; +import android.content.Intent; +import android.database.Cursor; + +import net.micode.notes.data.Notes; +import net.micode.notes.data.Notes.NoteColumns; + + +public class AlarmInitReceiver extends BroadcastReceiver { + + private static final String [] PROJECTION = new String [] { + NoteColumns.ID, + NoteColumns.ALERTED_DATE + }; + //对数据库的操作，调用标签ID和闹钟时间 + private static final int COLUMN_ID = 0; + private static final int COLUMN_ALERTED_DATE = 1; + + @Override + public void onReceive(Context context, Intent intent) { + long currentDate = System.currentTimeMillis();//System.currentTimeMillis()产生一个当前的毫秒 + Cursor c = context.getContentResolver().query(Notes.CONTENT_NOTE_URI, + PROJECTION, + NoteColumns.ALERTED_DATE + ">? AND " + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE, + new String[] { String.valueOf(currentDate) },//将long变量currentDate转化为字符串 + null); +//Cursor在这里的作用是通过查找数据库中的标签内容，找到和当前系统时间相等的标签 + if (c != null) {//当c != null的时候，将cursor移动到开始处，然后执行相关对信息的读取工作，直至读取结束，然后关闭该cursor + if (c.moveToFirst()) {//游标移动到开始位置 + do { + long alertDate = c.getLong(COLUMN_ALERTED_DATE);//获取便签的提醒时间 + Intent sender = new Intent(context, AlarmReceiver.class);//新建一个intent类 来指向alarmreceiver 来传输数据 + sender.setData(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, c.getLong(COLUMN_ID)));//设置数据为便签的uri和id + PendingIntent pendingIntent = PendingIntent.getBroadcast(context, 0, sender, 0); + //使用了PendingIntent方法，得到可以延时向之前定义的Intent sender发送广播的PendingIntent实例Pendingintent + AlarmManager alermManager = (AlarmManager) context//新建系统的闹钟服务 + .getSystemService(Context.ALARM_SERVICE); + alermManager.set(AlarmManager.RTC_WAKEUP, alertDate, pendingIntent); + //调用android系统方法AlarmManager,设置一个系统提醒事项，设置提醒时间为当前便签中所存alertdate，并设置激活提醒时,广播类Pendingintent + } while (c.moveToNext());//游标移动到下一位置 + } + c.close();//关闭游标 + } + } +} diff --git a/doc/精读报告/ui/AlarmReceiver.doc b/doc/精读报告/ui/AlarmReceiver.doc new file mode 100644 index 0000000..37f264c --- /dev/null +++ b/doc/精读报告/ui/AlarmReceiver.doc @@ -0,0 +1,31 @@ +/* + * 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.BroadcastReceiver; +import android.content.Context; +import android.content.Intent; + +public class AlarmReceiver extends BroadcastReceiver { + @Override + public void onReceive(Context context, Intent intent) { + intent.setClass(context, AlarmAlertActivity.class);//启动AlarmAlertActivity + intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); + //属性设置启动Activity模式：在任务栈中会判断是否存在相同的activity，如果存在，那么会清除该activity之上的其他activity对象显示，如果不存在，则会创建一个新的activity放入栈顶 + context.startActivity(intent);//使用intent启动activity + } +} diff --git a/doc/精读报告/ui/DateTimePicker.doc b/doc/精读报告/ui/DateTimePicker.doc new file mode 100644 index 0000000..9e6c5ee --- /dev/null +++ b/doc/精读报告/ui/DateTimePicker.doc @@ -0,0 +1,496 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package net.micode.notes.ui; + +import java.text.DateFormatSymbols; +import java.util.Calendar; + +import net.micode.notes.R; + + +import android.content.Context; +import android.text.format.DateFormat; +import android.view.View; +import android.widget.FrameLayout; +import android.widget.NumberPicker; + +public class DateTimePicker extends FrameLayout { + //FrameLayout是布局模板之一 + //所有的子元素全部在屏幕的右上方 + private static final boolean DEFAULT_ENABLE_STATE = true; + + private static final int HOURS_IN_HALF_DAY = 12;//定义半天为12小时 + private static final int HOURS_IN_ALL_DAY = 24;//定义一天为24小时 + private static final int DAYS_IN_ALL_WEEK = 7;//定义一周为七天 + private static final int DATE_SPINNER_MIN_VAL = 0;//定义日期循环最小值为0 + private static final int DATE_SPINNER_MAX_VAL = DAYS_IN_ALL_WEEK - 1;//一周循环最大天数为一周天数减1天 + private static final int HOUR_SPINNER_MIN_VAL_24_HOUR_VIEW = 0;//24小时制小时最小值为0 + private static final int HOUR_SPINNER_MAX_VAL_24_HOUR_VIEW = 23;//定义24小时循环的最大值为23 + private static final int HOUR_SPINNER_MIN_VAL_12_HOUR_VIEW = 1;// 12小时制下小时转轮最小值 + private static final int HOUR_SPINNER_MAX_VAL_12_HOUR_VIEW = 12;// 12小时制下小时转轮最大值 + private static final int MINUT_SPINNER_MIN_VAL = 0;//分钟轮转最小值为0 + private static final int MINUT_SPINNER_MAX_VAL = 59;//分钟轮转最大值为59 + private static final int AMPM_SPINNER_MIN_VAL = 0;//标志上下午的轮转值，没有具体意义 + private static final int AMPM_SPINNER_MAX_VAL = 1;//标志上下午的轮转值，没有具体意义 + //初始化控件 + private final NumberPicker mDateSpinner; + private final NumberPicker mHourSpinner; + private final NumberPicker mMinuteSpinner; + private final NumberPicker mAmPmSpinner; + //NumberPicker是数字选择器 + //这里定义的四个变量全部是在设置闹钟时需要选择的变量（如日期、时、分、上午或者下午） + private Calendar mDate; + //定义了Calendar类型的变量mDate，用于操作时间 + + private String[] mDateDisplayValues = new String[DAYS_IN_ALL_WEEK]; + + private boolean mIsAm; + + private boolean mIs24HourView; + + private boolean mIsEnabled = DEFAULT_ENABLE_STATE; + + private boolean mInitialising; + + private OnDateTimeChangedListener mOnDateTimeChangedListener; + + private NumberPicker.OnValueChangeListener mOnDateChangedListener = new NumberPicker.OnValueChangeListener() { + @Override + public void onValueChange(NumberPicker picker, int oldVal, int newVal) { + mDate.add(Calendar.DAY_OF_YEAR, newVal - oldVal); + updateDateControl(); + onDateTimeChanged(); + } + };//OnValueChangeListener，这是时间改变监听器，这里主要是对日期的监听 + //将现在日期的值传递给mDate；updateDateControl是同步操作 + + private NumberPicker.OnValueChangeListener mOnHourChangedListener = new NumberPicker.OnValueChangeListener() {//这里是对 小时（Hour） 的监听 + @Override + public void onValueChange(NumberPicker picker, int oldVal, int newVal) { + boolean isDateChanged = false; + Calendar cal = Calendar.getInstance();//声明一个Calendar的变量cal，便于后续的操作 + if (!mIs24HourView) { + if (!mIsAm && oldVal == HOURS_IN_HALF_DAY - 1 && newVal == HOURS_IN_HALF_DAY) { + cal.setTimeInMillis(mDate.getTimeInMillis()); + cal.add(Calendar.DAY_OF_YEAR, 1); + isDateChanged = true;//这里是对于12小时制时，晚上11点和12点交替时对日期的更改 + } else if (mIsAm && oldVal == HOURS_IN_HALF_DAY && newVal == HOURS_IN_HALF_DAY - 1) { + cal.setTimeInMillis(mDate.getTimeInMillis()); + cal.add(Calendar.DAY_OF_YEAR, -1); + isDateChanged = true;//这里是对于12小时制时，凌晨11点和12点交替时对日期的更改 + } + if (oldVal == HOURS_IN_HALF_DAY - 1 && newVal == HOURS_IN_HALF_DAY || + oldVal == HOURS_IN_HALF_DAY && newVal == HOURS_IN_HALF_DAY - 1) { + mIsAm = !mIsAm; + updateAmPmControl();//这里是对于12小时制时，中午11点和12点交替时对AM和PM的更改 + } + } else { + if (oldVal == HOURS_IN_ALL_DAY - 1 && newVal == 0) { + cal.setTimeInMillis(mDate.getTimeInMillis()); + cal.add(Calendar.DAY_OF_YEAR, 1); + isDateChanged = true;//这里是对于24小时制时，晚上11点和12点交替时对日期的更改 + } else if (oldVal == 0 && newVal == HOURS_IN_ALL_DAY - 1) { + cal.setTimeInMillis(mDate.getTimeInMillis()); + cal.add(Calendar.DAY_OF_YEAR, -1); + isDateChanged = true;//这里是对于12小时制时，凌晨11点和12点交替时对日期的更改 + } + } + int newHour = mHourSpinner.getValue() % HOURS_IN_HALF_DAY + (mIsAm ? 0 : HOURS_IN_HALF_DAY);//通过数字选择器对newHour的赋值 + mDate.set(Calendar.HOUR_OF_DAY, newHour);//通过set函数将新的Hour值传给mDate + + onDateTimeChanged(); + if (isDateChanged) { + setCurrentYear(cal.get(Calendar.YEAR)); + setCurrentMonth(cal.get(Calendar.MONTH)); + setCurrentDay(cal.get(Calendar.DAY_OF_MONTH)); + } + } + }; + + private NumberPicker.OnValueChangeListener mOnMinuteChangedListener = new NumberPicker.OnValueChangeListener() { + @Override//这里是对 分钟（Minute）改变的监听 + public void onValueChange(NumberPicker picker, int oldVal, int newVal) { + int minValue = mMinuteSpinner.getMinValue(); + int maxValue = mMinuteSpinner.getMaxValue(); + int offset = 0;//设置offset，作为小时改变的一个记录数据 + if (oldVal == maxValue && newVal == minValue) { + offset += 1; + } else if (oldVal == minValue && newVal == maxValue) { + offset -= 1; + }//如果原值为59，新值为0，则offset加1 + //如果原值为0，新值为59，则offset减1 + if (offset != 0) { + mDate.add(Calendar.HOUR_OF_DAY, offset); + mHourSpinner.setValue(getCurrentHour()); + updateDateControl(); + int newHour = getCurrentHourOfDay(); + if (newHour >= HOURS_IN_HALF_DAY) { + mIsAm = false; + updateAmPmControl(); + } else { + mIsAm = true; + updateAmPmControl(); + } + } + mDate.set(Calendar.MINUTE, newVal); + onDateTimeChanged(); + } + }; + + private NumberPicker.OnValueChangeListener mOnAmPmChangedListener = new NumberPicker.OnValueChangeListener() { //对AM和PM的监听 + @Override + public void onValueChange(NumberPicker picker, int oldVal, int newVal) { + mIsAm = !mIsAm; + if (mIsAm) { + mDate.add(Calendar.HOUR_OF_DAY, -HOURS_IN_HALF_DAY); + } else { + mDate.add(Calendar.HOUR_OF_DAY, HOURS_IN_HALF_DAY); + } + updateAmPmControl(); + onDateTimeChanged(); + } + }; + + public interface OnDateTimeChangedListener { + void onDateTimeChanged(DateTimePicker view, int year, int month, + int dayOfMonth, int hourOfDay, int minute); + } + + public DateTimePicker(Context context) { + this(context, System.currentTimeMillis()); + }//通过对数据库的访问，获取当前的系统时间 + + + public DateTimePicker(Context context, long date) {//实例化时间日期选择器 + this(context, date, DateFormat.is24HourFormat(context)); + } + + public DateTimePicker(Context context, long date, boolean is24HourView) { + super(context);//获取系统时间 + mDate = Calendar.getInstance(); + mInitialising = true; + mIsAm = getCurrentHourOfDay() >= HOURS_IN_HALF_DAY; + inflate(context, R.layout.datetime_picker, this); + //如果当前Activity里用到别的layout，比如对话框layout + //还要设置这个layout上的其他组件的内容，就必须用inflate()方法先将对话框的layout找出来 + //然后再用findViewById()找到它上面的其它组件 + mDateSpinner = (NumberPicker) findViewById(R.id.date); + mDateSpinner.setMinValue(DATE_SPINNER_MIN_VAL);//设置组件最小值属性日期最小值 + mDateSpinner.setMaxValue(DATE_SPINNER_MAX_VAL);//设置组件最大值属性为日期最大值 + mDateSpinner.setOnValueChangedListener(mOnDateChangedListener); + + mHourSpinner = (NumberPicker) findViewById(R.id.hour);//显示设置小时的视图 + mHourSpinner.setOnValueChangedListener(mOnHourChangedListener); + mMinuteSpinner = (NumberPicker) findViewById(R.id.minute);//显示设置分钟的视图 + mMinuteSpinner.setMinValue(MINUT_SPINNER_MIN_VAL);//设置组件最小值属性为分钟最小值 + mMinuteSpinner.setMaxValue(MINUT_SPINNER_MAX_VAL);//设置组件最大值属性为分钟最大值 + mMinuteSpinner.setOnLongPressUpdateInterval(100);//置监听长按时间间隔为100ms + mMinuteSpinner.setOnValueChangedListener(mOnMinuteChangedListener); + + String[] stringsForAmPm = new DateFormatSymbols().getAmPmStrings();//对24小时下的 am 与pm各属性值进行初始化 + mAmPmSpinner = (NumberPicker) findViewById(R.id.amPm);//显示设置上下午的视图 + mAmPmSpinner.setMinValue(AMPM_SPINNER_MIN_VAL);//设置组件最小值属性为上下午编码最小值 + mAmPmSpinner.setMaxValue(AMPM_SPINNER_MAX_VAL);//设置组件最大值属性为上下午编码最大值 + mAmPmSpinner.setDisplayedValues(stringsForAmPm);//设置显示上下午字符串的值 + mAmPmSpinner.setOnValueChangedListener(mOnAmPmChangedListener); + + // update controls to initial state将日期的各参数值更新为初始化状态 + updateDateControl(); + updateHourControl(); + updateAmPmControl(); + + set24HourView(is24HourView); + + // set to current time设置当前时间 + setCurrentDate(date); + + setEnabled(isEnabled()); + + // set the content descriptions + mInitialising = false;//表示初始化已经结束 + } + + @Override + public void setEnabled(boolean enabled) {//将当前监听器的状态设置为开启状态 + if (mIsEnabled == enabled) {//如果已经在开启状态，则返回 + return; + } + super.setEnabled(enabled);//将各部分设置为开启状态 + mDateSpinner.setEnabled(enabled); + mMinuteSpinner.setEnabled(enabled); + mHourSpinner.setEnabled(enabled); + mAmPmSpinner.setEnabled(enabled); + mIsEnabled = enabled; + } + + @Override + public boolean isEnabled() { + return mIsEnabled; + } + + /** + * Get the current date in millis + * + * @return the current date in millis + */ + public long getCurrentDateInTimeMillis() { + return mDate.getTimeInMillis(); + }//实现函数——得到当前的秒数 + + /** + * Set the current date + * + * @param date The current date in millis + */ + public void setCurrentDate(long date) { + Calendar cal = Calendar.getInstance(); + cal.setTimeInMillis(date); + setCurrentDate(cal.get(Calendar.YEAR), cal.get(Calendar.MONTH), cal.get(Calendar.DAY_OF_MONTH), + cal.get(Calendar.HOUR_OF_DAY), cal.get(Calendar.MINUTE));//实现函数功能——设置当前的时间，参数是date + } + + /** + * Set the current date + * + * @param year The current year + * @param month The current month + * @param dayOfMonth The current dayOfMonth + * @param hourOfDay The current hourOfDay + * @param minute The current minute + */ + public void setCurrentDate(int year, int month, + int dayOfMonth, int hourOfDay, int minute) { + setCurrentYear(year); + setCurrentMonth(month); + setCurrentDay(dayOfMonth); + setCurrentHour(hourOfDay); + setCurrentMinute(minute); + }//实现函数功能——设置当前的时间，参数是各详细的变量 + + /** + * Get current year + * + * @return The current year + */ + //下面是得到year、month、day等值 + public int getCurrentYear() { + return mDate.get(Calendar.YEAR); + } + + /** + * Set current year + * + * @param year The current year + */ + public void setCurrentYear(int year) { + if (!mInitialising && year == getCurrentYear()) { + return; + } + mDate.set(Calendar.YEAR, year); + updateDateControl(); + onDateTimeChanged(); + } + + /** + * Get current month in the year + * + * @return The current month in the year + */ + public int getCurrentMonth() { + return mDate.get(Calendar.MONTH); + } + + /** + * Set current month in the year + * + * @param month The month in the year + */ + public void setCurrentMonth(int month) { + if (!mInitialising && month == getCurrentMonth()) { + return; + } + mDate.set(Calendar.MONTH, month); + updateDateControl(); + onDateTimeChanged(); + } + + /** + * Get current day of the month + * + * @return The day of the month + */ + public int getCurrentDay() { + return mDate.get(Calendar.DAY_OF_MONTH); + } + + /** + * Set current day of the month + * + * @param dayOfMonth The day of the month + */ + public void setCurrentDay(int dayOfMonth) { + if (!mInitialising && dayOfMonth == getCurrentDay()) { + return; + } + mDate.set(Calendar.DAY_OF_MONTH, dayOfMonth); + updateDateControl(); + onDateTimeChanged(); + } + + /** + * Get current hour in 24 hour mode, in the range (0~23) + * @return The current hour in 24 hour mode + */ + public int getCurrentHourOfDay() { + return mDate.get(Calendar.HOUR_OF_DAY); + } + + private int getCurrentHour() { + if (mIs24HourView){ + return getCurrentHourOfDay(); + } else { + int hour = getCurrentHourOfDay(); + if (hour > HOURS_IN_HALF_DAY) { + return hour - HOURS_IN_HALF_DAY; + } else { + return hour == 0 ? HOURS_IN_HALF_DAY : hour; + } + } + } + + /** + * Set current hour in 24 hour mode, in the range (0~23) + * + * @param hourOfDay + */ + public void setCurrentHour(int hourOfDay) { + if (!mInitialising && hourOfDay == getCurrentHourOfDay()) { + return; + } + mDate.set(Calendar.HOUR_OF_DAY, hourOfDay); + if (!mIs24HourView) { + if (hourOfDay >= HOURS_IN_HALF_DAY) { + mIsAm = false; + if (hourOfDay > HOURS_IN_HALF_DAY) { + hourOfDay -= HOURS_IN_HALF_DAY; + } + } else { + mIsAm = true; + if (hourOfDay == 0) { + hourOfDay = HOURS_IN_HALF_DAY; + } + } + updateAmPmControl(); + } + mHourSpinner.setValue(hourOfDay); + onDateTimeChanged(); + } + + /** + * Get currentMinute + * + * @return The Current Minute + */ + public int getCurrentMinute() { + return mDate.get(Calendar.MINUTE); + } + + /** + * Set current minute + */ + public void setCurrentMinute(int minute) { + if (!mInitialising && minute == getCurrentMinute()) { + return; + } + mMinuteSpinner.setValue(minute); + mDate.set(Calendar.MINUTE, minute); + onDateTimeChanged(); + } + + /** + * @return true if this is in 24 hour view else false. + */ + public boolean is24HourView () { + return mIs24HourView; + } + + /** + * Set whether in 24 hour or AM/PM mode. + * + * @param is24HourView True for 24 hour mode. False for AM/PM mode. + */ + public void set24HourView(boolean is24HourView) { + if (mIs24HourView == is24HourView) { + return; + } + mIs24HourView = is24HourView; + mAmPmSpinner.setVisibility(is24HourView ? View.GONE : View.VISIBLE); + int hour = getCurrentHourOfDay(); + updateHourControl(); + setCurrentHour(hour); + updateAmPmControl(); + } + + private void updateDateControl() { + Calendar cal = Calendar.getInstance(); + cal.setTimeInMillis(mDate.getTimeInMillis()); + cal.add(Calendar.DAY_OF_YEAR, -DAYS_IN_ALL_WEEK / 2 - 1); + mDateSpinner.setDisplayedValues(null); + for (int i = 0; i < DAYS_IN_ALL_WEEK; ++i) { + cal.add(Calendar.DAY_OF_YEAR, 1); + mDateDisplayValues[i] = (String) DateFormat.format("MM.dd EEEE", cal); + } + mDateSpinner.setDisplayedValues(mDateDisplayValues); + mDateSpinner.setValue(DAYS_IN_ALL_WEEK / 2); + mDateSpinner.invalidate();// 对于星期几的算法 + } + + private void updateAmPmControl() { + if (mIs24HourView) { + mAmPmSpinner.setVisibility(View.GONE); + } else { + int index = mIsAm ? Calendar.AM : Calendar.PM; + mAmPmSpinner.setValue(index); + mAmPmSpinner.setVisibility(View.VISIBLE); + }// 对于上下午操作的算法 + } + + private void updateHourControl() { + if (mIs24HourView) { + mHourSpinner.setMinValue(HOUR_SPINNER_MIN_VAL_24_HOUR_VIEW); + mHourSpinner.setMaxValue(HOUR_SPINNER_MAX_VAL_24_HOUR_VIEW); + } else { + mHourSpinner.setMinValue(HOUR_SPINNER_MIN_VAL_12_HOUR_VIEW); + mHourSpinner.setMaxValue(HOUR_SPINNER_MAX_VAL_12_HOUR_VIEW); + } //对于小时的算法 + } + + /** + * Set the callback that indicates the 'Set' button has been pressed. + * @param callback the callback, if null will do nothing + */ + public void setOnDateTimeChangedListener(OnDateTimeChangedListener callback) { + mOnDateTimeChangedListener = callback; + } + + private void onDateTimeChanged() { + if (mOnDateTimeChangedListener != null) { + mOnDateTimeChangedListener.onDateTimeChanged(this, getCurrentYear(), + getCurrentMonth(), getCurrentDay(), getCurrentHourOfDay(), getCurrentMinute()); + } + } +} diff --git a/doc/精读报告/ui/DateTimePickerDialog.doc b/doc/精读报告/ui/DateTimePickerDialog.doc new file mode 100644 index 0000000..3c5bc83 --- /dev/null +++ b/doc/精读报告/ui/DateTimePickerDialog.doc @@ -0,0 +1,92 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package net.micode.notes.ui; + +import java.util.Calendar; + +import net.micode.notes.R; +import net.micode.notes.ui.DateTimePicker; +import net.micode.notes.ui.DateTimePicker.OnDateTimeChangedListener; + +import android.app.AlertDialog; +import android.content.Context; +import android.content.DialogInterface; +import android.content.DialogInterface.OnClickListener; +import android.text.format.DateFormat; +import android.text.format.DateUtils; + +public class DateTimePickerDialog extends AlertDialog implements OnClickListener { + + private Calendar mDate = Calendar.getInstance();//创建一个Calendar类型的变量 mDate，方便时间的操作 + private boolean mIs24HourView; + private OnDateTimeSetListener mOnDateTimeSetListener;//声明一个时间日期滚动选择控件 mOnDateTimeSetListener + private DateTimePicker mDateTimePicker;//DateTimePicker控件，控件一般用于让用户可以从日期列表中选择单个值。 + //运行时，单击控件边上的下拉箭头，会显示为两个部分：一个下拉列表，一个用于选择日期 + + public interface OnDateTimeSetListener { + void OnDateTimeSet(AlertDialog dialog, long date); + } + + public DateTimePickerDialog(Context context, long date) {//对该界面对话框的实例化 + super(context);//对数据库的操作 + mDateTimePicker = new DateTimePicker(context); + setView(mDateTimePicker);//添加一个子视图 + mDateTimePicker.setOnDateTimeChangedListener(new OnDateTimeChangedListener() { + public void onDateTimeChanged(DateTimePicker view, int year, int month, + int dayOfMonth, int hourOfDay, int minute) { + mDate.set(Calendar.YEAR, year); + mDate.set(Calendar.MONTH, month); + mDate.set(Calendar.DAY_OF_MONTH, dayOfMonth); + mDate.set(Calendar.HOUR_OF_DAY, hourOfDay); + mDate.set(Calendar.MINUTE, minute);//将视图中的各选项设置为系统当前时间 + updateTitle(mDate.getTimeInMillis()); + } + }); + mDate.setTimeInMillis(date);//得到系统时间 + mDate.set(Calendar.SECOND, 0);//将秒数设置为0 + mDateTimePicker.setCurrentDate(mDate.getTimeInMillis()); + setButton(context.getString(R.string.datetime_dialog_ok), this); + setButton2(context.getString(R.string.datetime_dialog_cancel), (OnClickListener)null);//设置按钮 + set24HourView(DateFormat.is24HourFormat(this.getContext()));//时间标准化打印 + updateTitle(mDate.getTimeInMillis()); + } + + public void set24HourView(boolean is24HourView) { + mIs24HourView = is24HourView; + } + + public void setOnDateTimeSetListener(OnDateTimeSetListener callBack) { + mOnDateTimeSetListener = callBack; + }//将时间日期滚动选择控件实例化 + + private void updateTitle(long date) { + int flag = + DateUtils.FORMAT_SHOW_YEAR | + DateUtils.FORMAT_SHOW_DATE | + DateUtils.FORMAT_SHOW_TIME; + flag |= mIs24HourView ? DateUtils.FORMAT_24HOUR : DateUtils.FORMAT_24HOUR; + setTitle(DateUtils.formatDateTime(this.getContext(), date, flag)); + }//android开发中常见日期管理工具类（API）——DateUtils：按照上下午显示时间 + + public void onClick(DialogInterface arg0, int arg1) { + if (mOnDateTimeSetListener != null) { + mOnDateTimeSetListener.OnDateTimeSet(this, mDate.getTimeInMillis()); + } + }//第一个参数arg0是接收到点击事件的对话框 + //第二个参数arg1是该对话框上的按钮 + +} \ No newline at end of file diff --git a/doc/精读报告/ui/DropdownMenu.doc b/doc/精读报告/ui/DropdownMenu.doc new file mode 100644 index 0000000..1d7851c --- /dev/null +++ b/doc/精读报告/ui/DropdownMenu.doc @@ -0,0 +1,63 @@ +/* + * 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; +import android.view.Menu; +import android.view.MenuItem; +import android.view.View; +import android.view.View.OnClickListener; +import android.widget.Button; +import android.widget.PopupMenu; +import android.widget.PopupMenu.OnMenuItemClickListener; + +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(); + } + }); + } + + 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 +} diff --git a/doc/精读报告/ui/FoldersListAdapter.doc b/doc/精读报告/ui/FoldersListAdapter.doc new file mode 100644 index 0000000..0088aa0 --- /dev/null +++ b/doc/精读报告/ui/FoldersListAdapter.doc @@ -0,0 +1,84 @@ +/* + * 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;//引用一些类，大多为与数据库的交互，对文件夹的列表名称等做调整 +import android.database.Cursor; +import android.view.View; +import android.view.ViewGroup; +import android.widget.CursorAdapter; +import android.widget.LinearLayout; +import android.widget.TextView; + +import net.micode.notes.R; +import net.micode.notes.data.Notes; +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 + + public static final int ID_COLUMN = 0; + public static final int NAME_COLUMN = 1;//初始化Column的id和name,id唯一标识了Colum + + 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) { + 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) { + if (view instanceof FolderListItem) { + String folderName = (cursor.getLong(ID_COLUMN) == Notes.ID_ROOT_FOLDER) ? context + .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); + } + + public void bind(String name) { + mName.setText(name); + } + } + +} diff --git a/doc/精读报告/ui/NoteEditActivity.doc b/doc/精读报告/ui/NoteEditActivity.doc new file mode 100644 index 0000000..1b32368 --- /dev/null +++ b/doc/精读报告/ui/NoteEditActivity.doc @@ -0,0 +1,877 @@ +/* + * 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; +import android.app.AlarmManager; +import android.app.AlertDialog; +import android.app.PendingIntent; +import android.app.SearchManager; +import android.appwidget.AppWidgetManager; +import android.content.ContentUris; +import android.content.Context; +import android.content.DialogInterface; +import android.content.Intent; +import android.content.SharedPreferences; +import android.graphics.Paint; +import android.os.Bundle; +import android.preference.PreferenceManager; +import android.text.Spannable; +import android.text.SpannableString; +import android.text.TextUtils; +import android.text.format.DateUtils; +import android.text.style.BackgroundColorSpan; +import android.util.Log; +import android.view.LayoutInflater; +import android.view.Menu; +import android.view.MenuItem; +import android.view.MotionEvent; +import android.view.View; +import android.view.View.OnClickListener; +import android.view.WindowManager; +import android.widget.CheckBox; +import android.widget.CompoundButton; +import android.widget.CompoundButton.OnCheckedChangeListener; +import android.widget.EditText; +import android.widget.ImageView; +import android.widget.LinearLayout; +import android.widget.TextView; +import android.widget.Toast; + +import net.micode.notes.R; +import net.micode.notes.data.Notes; +import net.micode.notes.data.Notes.TextNote; +import net.micode.notes.model.WorkingNote; +import net.micode.notes.model.WorkingNote.NoteSettingChangedListener; +import net.micode.notes.tool.DataUtils; +import net.micode.notes.tool.ResourceParser; +import net.micode.notes.tool.ResourceParser.TextAppearanceResources; +import net.micode.notes.ui.DateTimePickerDialog.OnDateTimeSetListener; +import net.micode.notes.ui.NoteEditText.OnTextViewChangeListener; +import net.micode.notes.widget.NoteWidgetProvider_2x; +import net.micode.notes.widget.NoteWidgetProvider_4x; + +import java.util.HashMap; +import java.util.HashSet; +import java.util.Map; +import java.util.regex.Matcher; +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; + + public ImageView ivAlertIcon; + + public TextView tvAlertDate; + + 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);//设置黄色的背景颜色资源选择器 + sBgSelectorBtnsMap.put(R.id.iv_bg_red, ResourceParser.RED);//设置红色的背景颜色资源选择器 + sBgSelectorBtnsMap.put(R.id.iv_bg_blue, ResourceParser.BLUE);//设置蓝色的背景颜色资源选择器 + sBgSelectorBtnsMap.put(R.id.iv_bg_green, ResourceParser.GREEN);//设置绿色的背景颜色资源选择器 + sBgSelectorBtnsMap.put(R.id.iv_bg_white, ResourceParser.WHITE);//设置白色的背景颜色资源选择器 + //put函数是将指定值和指定键相连 + } + + private static final Map sBgSelectorSelectionMap = new HashMap(); + static { + sBgSelectorSelectionMap.put(ResourceParser.YELLOW, R.id.iv_bg_yellow_select); + sBgSelectorSelectionMap.put(ResourceParser.RED, R.id.iv_bg_red_select); + 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); + } + + private static final Map sFontSizeBtnsMap = new HashMap(); + static { + sFontSizeBtnsMap.put(R.id.ll_font_large, ResourceParser.TEXT_LARGE); + 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); + }//用户可以选择笔记本界面的大小，提供四个规格 + + private static final Map sFontSelectorSelectionMap = new HashMap(); + static { + sFontSelectorSelectionMap.put(ResourceParser.TEXT_LARGE, R.id.iv_large_select); + 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); + } + + private static final String TAG = "NoteEditActivity"; + + 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; + //对模板WorkingNote的初始化 + private SharedPreferences mSharedPrefs;//私有化SharedPreferences的数据存储方式 + private int mFontSizeId;//用于操作字体的大小 + + private static final String PREFERENCE_FONT_SIZE = "pref_font_size";//定义常量 字体大小设置 + + private static final int SHORTCUT_ICON_TITLE_MAX_LEN = 10;//定义final常量，设置了桌面快捷方式标题的最大长度 + + public static final String TAG_CHECKED = String.valueOf('\u221A');//定义final字符串，表明已标记 + public static final String TAG_UNCHECKED = String.valueOf('\u25A1');//定义final字符串，表明未标记 + + private LinearLayout mEditTextList;//线性布局 + + private String mUserQuery;//用户请求 + private Pattern mPattern;//一个Pattern是一个正则表达式经编译后的表现模式 + + @Override + protected void onCreate(Bundle savedInstanceState) {//初始化系统的状态 + super.onCreate(savedInstanceState); + this.setContentView(R.layout.note_edit); + + if (savedInstanceState == null && !initActivityState(getIntent())) {//判断传入参数是否为空，且对activity进行初始化是否成功，满足则结束create函数 如果传入的保存的状态不为NULL时，则不会调用之后的initActivityState函数进行初始化操作 + finish(); + return; + } + initResources(); + } + + /** + * Current activity may be killed when the memory is low. Once it is killed, for another time + * user load this activity, we should restore the former state + */ + @Override + protected void onRestoreInstanceState(Bundle savedInstanceState) {//保存当前界面状态。当当前的活动界面因为释放内存而结束，再次加载活动时，可以根据保存的信息恢复到原来的状态 + super.onRestoreInstanceState(savedInstanceState); + if (savedInstanceState != null && savedInstanceState.containsKey(Intent.EXTRA_UID)) { + Intent intent = new Intent(Intent.ACTION_VIEW); + intent.putExtra(Intent.EXTRA_UID, savedInstanceState.getLong(Intent.EXTRA_UID)); + if (!initActivityState(intent)) { + finish(); + return; + } + Log.d(TAG, "Restoring from killed activity"); + } + } + + private boolean initActivityState(Intent intent) {//用户没有给出ID，就跳转到NoteListActivity + /** + * If the user specified the {@link Intent#ACTION_VIEW} but not provided with id, + * then jump to the NotesListActivity + */ + mWorkingNote = null; + if (TextUtils.equals(Intent.ACTION_VIEW, intent.getAction())) {//判断intent中的action是ACTION_VIEW还是ACTION_INSERT_OR_EDIT,分别进行不同的操作 + long noteId = intent.getLongExtra(Intent.EXTRA_UID, 0); + mUserQuery = ""; + + /** + * Starting from the searched result + */ + if (intent.hasExtra(SearchManager.EXTRA_DATA_KEY)) {//查找intent中的数据。将数据标识符存在noteIId中，用户请求字符串存在mUserQuery中 + noteId = Long.parseLong(intent.getStringExtra(SearchManager.EXTRA_DATA_KEY)); + mUserQuery = intent.getStringExtra(SearchManager.USER_QUERY); + } + + if (!DataUtils.visibleInNoteDatabase(getContentResolver(), noteId, Notes.TYPE_NOTE)) {//如果没有找到便签标识符，就跳转到主界面 + Intent jump = new Intent(this, NotesListActivity.class); + startActivity(jump); + showToast(R.string.error_note_not_exist); + finish(); + return false; + } else { + mWorkingNote = WorkingNote.load(this, noteId);//根据noteId导入WorkingNote + if (mWorkingNote == null) {//noteId对应的活动标签为空，报错并结束活动，初始化活动返回false,即初始化活动状态位成功 + Log.e(TAG, "load note failed with note id" + noteId);//导出信息失败 反馈错误信息 + finish(); + return false; + } + } + getWindow().setSoftInputMode(//设置软键盘输入模式 + WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN//将软键盘进行隐藏 + | WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE);//调节Edit界面，使之适应软键盘弹出 + } else if(TextUtils.equals(Intent.ACTION_INSERT_OR_EDIT, intent.getAction())) {//判断intent的活动是INSERT OR EDIT，即新建便签 + // 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); + int widgetType = intent.getIntExtra(Notes.INTENT_EXTRA_WIDGET_TYPE, + Notes.TYPE_WIDGET_INVALIDE); + int bgResId = intent.getIntExtra(Notes.INTENT_EXTRA_BACKGROUND_ID, + ResourceParser.getDefaultBgId(this)); + + // Parse call-record note + String phoneNumber = intent.getStringExtra(Intent.EXTRA_PHONE_NUMBER);//下面的程序实现的功能是解析通话记录便签，首先获取intent里的电话号码 + long callDate = intent.getLongExtra(Notes.INTENT_EXTRA_CALL_DATE, 0);//获得通话日期 + if (callDate != 0 && phoneNumber != null) {//如果便签的通话日期和通话号码均存在，则把其当做通话便签进行处理,否则当做普通便签进行初始化 + if (TextUtils.isEmpty(phoneNumber)) {//如果记录的通话号码为空，则显示警告 + Log.w(TAG, "The call record number is null"); + } + long noteId = 0; + if ((noteId = DataUtils.getNoteIdByPhoneNumberAndCallDate(getContentResolver(),//根据电话号码和日期找到对应标识符，赋给noteId. + phoneNumber, callDate)) > 0) { + mWorkingNote = WorkingNote.load(this, noteId); + if (mWorkingNote == null) { + Log.e(TAG, "load call note failed with note id" + noteId); + finish(); + return false; + } + } else {//将电话号码与手机的号码簿相关联 + mWorkingNote = WorkingNote.createEmptyNote(this, folderId, widgetId, + widgetType, bgResId); + mWorkingNote.convertToCallNote(phoneNumber, callDate); + } + } else { + mWorkingNote = WorkingNote.createEmptyNote(this, folderId, widgetId, widgetType, + bgResId); + } + + getWindow().setSoftInputMode( + WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE + | WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE); + } else { + Log.e(TAG, "Intent not specified action, should not support");//显示错误信息，Intent没有指定动作，不应支持 + finish(); + return false; + } + mWorkingNote.setOnSettingStatusChangedListener(this); + return true; + } + + @Override + protected void onResume() {//重写Activity的onResume方法，将标签编辑界面作为界面的最上层呈现 + super.onResume(); + initNoteScreen(); + } + + private void initNoteScreen() {//初始化便签界面的窗口 + mNoteEditor.setTextAppearance(this, TextAppearanceResources + .getTexAppearanceResource(mFontSizeId)); + if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) {//如果载入的workingnote对象模式为Check_List则调用switchToListMode函数 + switchToListMode(mWorkingNote.getContent());//切换到清单模式 + } else { + mNoteEditor.setText(getHighlightQueryResult(mWorkingNote.getContent(), mUserQuery));//设置文本选中的文字和长度 + mNoteEditor.setSelection(mNoteEditor.getText().length()); + } + for (Integer id : sBgSelectorSelectionMap.keySet()) {//对所有图片文件做遍历循环，将其可视性设为不可视 + findViewById(sBgSelectorSelectionMap.get(id)).setVisibility(View.GONE); + } + mHeadViewPanel.setBackgroundResource(mWorkingNote.getTitleBgResId()); + mNoteEditorPanel.setBackgroundResource(mWorkingNote.getBgColorResId()); + + mNoteHeaderHolder.tvModified.setText(DateUtils.formatDateTime(this, + mWorkingNote.getModifiedDate(), DateUtils.FORMAT_SHOW_DATE + | DateUtils.FORMAT_NUMERIC_DATE | DateUtils.FORMAT_SHOW_TIME + | DateUtils.FORMAT_SHOW_YEAR)); + + /** + * TODO: Add the menu for setting alert. Currently disable it because the DateTimePicker + * is not ready + */ + showAlertHeader(); + } + + private void showAlertHeader() {//显示便签提醒的标头 + if (mWorkingNote.hasClockAlert()) { + long time = System.currentTimeMillis();//获取当前时间，定义为long类型 + if (time > mWorkingNote.getAlertDate()) {//.如果系统时间大于了闹钟设置的时间，那么闹钟失效 + mNoteHeaderHolder.tvAlertDate.setText(R.string.note_alert_expired); + } else { + mNoteHeaderHolder.tvAlertDate.setText(DateUtils.getRelativeTimeSpanString( + mWorkingNote.getAlertDate(), time, DateUtils.MINUTE_IN_MILLIS));//如果提醒时间未到，则设置标题中显示提醒时间 + } + mNoteHeaderHolder.tvAlertDate.setVisibility(View.VISIBLE);//显示闹钟提醒的开始图标 + mNoteHeaderHolder.ivAlertIcon.setVisibility(View.VISIBLE);//提醒时间图标显示可见 + } else { + mNoteHeaderHolder.tvAlertDate.setVisibility(View.GONE); + mNoteHeaderHolder.ivAlertIcon.setVisibility(View.GONE);//如果便签不包含提醒，则不显示 + }; + } + + @Override + protected void onNewIntent(Intent intent) {//当活动从后台切换但前台时会调用该函数，再次启动Activity的状态 + super.onNewIntent(intent); + initActivityState(intent); + } + + @Override + protected void onSaveInstanceState(Bundle outState) {//该函数用于分派触摸事件，其中参数MotionEvent是对屏幕触控的传递机制 + super.onSaveInstanceState(outState); + /** + * For new note without note id, we should firstly save it to + * generate a id. If the editing note is not worth saving, there + * is no id which is equivalent to create new note + */ + if (!mWorkingNote.existInDatabase()) {//当文字大小选择器可见，并且触控事件不在它的范围内时，执行下面代码 + saveNote(); + } + outState.putLong(Intent.EXTRA_UID, mWorkingNote.getNoteId()); + Log.d(TAG, "Save working note id: " + mWorkingNote.getNoteId() + " onSaveInstanceState"); + } + + @Override + public boolean dispatchTouchEvent(MotionEvent ev) {//判断屏幕上的触控动作是否在视图范围内 + if (mNoteBgColorSelector.getVisibility() == View.VISIBLE + && !inRangeOfView(mNoteBgColorSelector, ev)) { + mNoteBgColorSelector.setVisibility(View.GONE); + return true; + } + + if (mFontSizeSelector.getVisibility() == View.VISIBLE + && !inRangeOfView(mFontSizeSelector, ev)) { + mFontSizeSelector.setVisibility(View.GONE); + return true; + } + return super.dispatchTouchEvent(ev); + } + + private boolean inRangeOfView(View view, MotionEvent ev) { + int []location = new int[2]; + view.getLocationOnScreen(location);//获取屏幕上的起点位置 + int x = location[0]; + int y = location[1]; + if (ev.getX() < x//当触摸点的位置超出该控件的视图区域范围时，返回false + || ev.getX() > (x + view.getWidth()) + || ev.getY() < y + || ev.getY() > (y + view.getHeight())) { + return false; + } + return true; + } + + private void initResources() {//对标签各项属性内容的初始化 + mHeadViewPanel = findViewById(R.id.note_title); + mNoteHeaderHolder = new HeadViewHolder(); + mNoteHeaderHolder.tvModified = (TextView) findViewById(R.id.tv_modified_date); + mNoteHeaderHolder.ivAlertIcon = (ImageView) findViewById(R.id.iv_alert_icon); + mNoteHeaderHolder.tvAlertDate = (TextView) findViewById(R.id.tv_alert_date); + mNoteHeaderHolder.ibSetBgColor = (ImageView) findViewById(R.id.btn_set_bg_color); + mNoteHeaderHolder.ibSetBgColor.setOnClickListener(this); + mNoteEditor = (EditText) findViewById(R.id.note_edit_view); + mNoteEditorPanel = findViewById(R.id.sv_note_edit); + mNoteBgColorSelector = findViewById(R.id.note_bg_color_selector); + for (int id : sBgSelectorBtnsMap.keySet()) { + ImageView iv = (ImageView) findViewById(id); + iv.setOnClickListener(this); + } + + mFontSizeSelector = findViewById(R.id.font_size_selector);//为背景颜色选择界面的每一个按钮设置相对应的资源文件，并且设置了点击事件监听器 + for (int id : sFontSizeBtnsMap.keySet()) { + View view = findViewById(id); + view.setOnClickListener(this); + }; + mSharedPrefs = PreferenceManager.getDefaultSharedPreferences(this);//得到用户的偏好信息，设置字体大小，如果大于资源的最大长度，设为默认大小 + mFontSizeId = mSharedPrefs.getInt(PREFERENCE_FONT_SIZE, ResourceParser.BG_DEFAULT_FONT_SIZE); + /** + * HACKME: Fix bug of store the resource id in shared preference. + * The id may larger than the length of resources, in this case, + * return the {@link ResourceParser#BG_DEFAULT_FONT_SIZE} + */ + if(mFontSizeId >= TextAppearanceResources.getResourcesSize()) {//如果Size大于TextAppearance的大小，则将之设置为默认大小 + mFontSizeId = ResourceParser.BG_DEFAULT_FONT_SIZE; + } + mEditTextList = (LinearLayout) findViewById(R.id.note_edit_list);//得到布局列表 + } + + @Override + protected void onPause() {//重写onPause方法，将便签编辑界面暂停 + super.onPause(); + if(saveNote()) { + Log.d(TAG, "Note data was saved with length:" + mWorkingNote.getContent().length());//暂停时即进行便签的存储,记录log文件 + } + clearSettingState(); + } + + private void updateWidget() {//更新窗口与桌面小窗口同步 + Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE); + if (mWorkingNote.getWidgetType() == Notes.TYPE_WIDGET_2X) { + intent.setClass(this, NoteWidgetProvider_2x.class);//判断当前工作中的便签的桌面挂件的类型,并根据不同类型的桌面挂件指定Intent不同的目的组件 + } else if (mWorkingNote.getWidgetType() == Notes.TYPE_WIDGET_4X) { + intent.setClass(this, NoteWidgetProvider_4x.class); + } else { + Log.e(TAG, "Unspported widget type");//Log输出error信息，不支持的widget类型 + return; + } + + intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, new int[] { + mWorkingNote.getWidgetId() + }); + + sendBroadcast(intent); + setResult(RESULT_OK, intent); + } + + public void onClick(View v) {//事件点击时执行该方法 + int id = v.getId();//获取点击目标的id + if (id == R.id.btn_set_bg_color) {//如果点击的是设置背景颜色，执行下面的函数 + mNoteBgColorSelector.setVisibility(View.VISIBLE); + findViewById(sBgSelectorSelectionMap.get(mWorkingNote.getBgColorId())).setVisibility( + - View.VISIBLE); + } else if (sBgSelectorBtnsMap.containsKey(id)) {//将备选颜色界面设为不可见 + findViewById(sBgSelectorSelectionMap.get(mWorkingNote.getBgColorId())).setVisibility( + View.GONE); + mWorkingNote.setBgColorId(sBgSelectorBtnsMap.get(id)); + mNoteBgColorSelector.setVisibility(View.GONE); + } else if (sFontSizeBtnsMap.containsKey(id)) {//判断是否是文字大小设置器中的文字大小选项按钮 + findViewById(sFontSelectorSelectionMap.get(mFontSizeId)).setVisibility(View.GONE); + mFontSizeId = sFontSizeBtnsMap.get(id); + mSharedPrefs.edit().putInt(PREFERENCE_FONT_SIZE, mFontSizeId).commit(); + findViewById(sFontSelectorSelectionMap.get(mFontSizeId)).setVisibility(View.VISIBLE); + if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) {//如果workingNote模式为核对列表模式，则执行下面函数 + getWorkingText(); + switchToListMode(mWorkingNote.getContent()); + } else { + mNoteEditor.setTextAppearance(this,//如果不是check模式，则设置文字编辑器中文字为相应字体大小 + TextAppearanceResources.getTexAppearanceResource(mFontSizeId)); + } + mFontSizeSelector.setVisibility(View.GONE); + } + } + + @Override + public void onBackPressed() {//点击返回键时的操作 + if(clearSettingState()) {//如果字体选择器和背景选择器均不可见，即为便签编辑界面，点击返回键退出，保存便签如果字体选择器和背景选择器可见，则点击返回键时关闭选择界面 + + return; + } + + saveNote(); + super.onBackPressed(); + } + + private boolean clearSettingState() {//清除设置状态 + if (mNoteBgColorSelector.getVisibility() == View.VISIBLE) {//将字体选择器和背景颜色选择器设为不可见 + mNoteBgColorSelector.setVisibility(View.GONE); + return true; + } else if (mFontSizeSelector.getVisibility() == View.VISIBLE) {//如果文字大小选择器可见，则将其设置为不可见 + mFontSizeSelector.setVisibility(View.GONE); + return true; + } + return false; + } + + public void onBackgroundColorChanged() {//设置背景颜色改变的监听 + findViewById(sBgSelectorSelectionMap.get(mWorkingNote.getBgColorId())).setVisibility( + View.VISIBLE);//将便签背景色设置为可见，并显示该视图 + mNoteEditorPanel.setBackgroundResource(mWorkingNote.getBgColorResId());//将文件编辑区域的背景资源设置为便签背景色 + mHeadViewPanel.setBackgroundResource(mWorkingNote.getTitleBgResId());//将便签头的背景资源设置为标题的背景色 + } + + @Override + public boolean onPrepareOptionsMenu(Menu menu) { + if (isFinishing()) {//如果窗口正在关闭，则不做处理 + return true; + } + clearSettingState();//清除设置状态 + menu.clear();//清除菜单项 + if (mWorkingNote.getFolderId() == Notes.ID_CALL_RECORD_FOLDER) {//如果便签所在的文件夹为便签的通话记录文件夹，执行下面函数 + getMenuInflater().inflate(R.menu.call_note_edit, menu); + } else { + getMenuInflater().inflate(R.menu.note_edit, menu); + } + if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) {//判断语句判断条件为是否为清单模式，根据是否为清单模式填充不同的资源 + menu.findItem(R.id.menu_list_mode).setTitle(R.string.menu_normal_mode); + } else { + menu.findItem(R.id.menu_list_mode).setTitle(R.string.menu_list_mode); + } + if (mWorkingNote.hasClockAlert()) {//如果便签中有闹钟的提醒。则菜单中的提醒按钮不可见。如果没有提醒，删除提醒按钮不可见 + menu.findItem(R.id.menu_alert).setVisible(false); + } else { + menu.findItem(R.id.menu_delete_remind).setVisible(false); + } + return true; + } + + @Override + public boolean onOptionsItemSelected(MenuItem item) {//监听菜单中的项是否被选择 + switch (item.getItemId()) {//获得项的id,即根据菜单中不同的按钮设置不同的处理 + case R.id.menu_new_note: + createNewNote();//创建新的便签 + break; + case R.id.menu_delete: + AlertDialog.Builder builder = new AlertDialog.Builder(this);//新建一个提醒对话框实例，用于确认删除操作 + builder.setTitle(getString(R.string.alert_title_delete));//创建关于删除操作的对话框 + builder.setIcon(android.R.drawable.ic_dialog_alert);//设置对话框图标 + builder.setMessage(getString(R.string.alert_message_delete_note));//设置对话框消息内容 + builder.setPositiveButton(android.R.string.ok,//设置确认按钮，并监听它是否被点击 + new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, int which) {//设置对话框的点击函数 + deleteCurrentNote();//删除当前的便签 + finish();//结束这个activity + } + }); + builder.setNegativeButton(android.R.string.cancel, null);//设置取消按钮 + builder.show();//显示提醒对话框 + break; + case R.id.menu_font_size://菜单字体大小的设置 + mFontSizeSelector.setVisibility(View.VISIBLE);//将字体大小选择器设置为可见 + findViewById(sFontSelectorSelectionMap.get(mFontSizeId)).setVisibility(View.VISIBLE);//通过id找到相应字体的大小 + break; + case R.id.menu_list_mode://选择清单模式 + mWorkingNote.setCheckListMode(mWorkingNote.getCheckListMode() == 0 ?//设置清单模式，若当前为清单模式，则取消；否之则设为清单模式 + TextNote.MODE_CHECK_LIST : 0); + break; + case R.id.menu_share://选择分享 + getWorkingText();//获取当前便签的文本 + sendTo(this, mWorkingNote.getContent());//发送文本 + break; + case R.id.menu_send_to_desktop://选择发送到桌面 + sendToDesktop(); + break; + case R.id.menu_alert://选择设置提醒 + setReminder(); + break; + case R.id.menu_delete_remind://选择删除提醒 + mWorkingNote.setAlertDate(0, false); + break; + default: + break; + } + return true; + } + + private void setReminder() {//设置提醒器 + DateTimePickerDialog d = new DateTimePickerDialog(this, System.currentTimeMillis());//实例化一个时间日期选择器的对话框，进行提醒日期的设置 + d.setOnDateTimeSetListener(new OnDateTimeSetListener() { + public void OnDateTimeSet(AlertDialog dialog, long date) { + mWorkingNote.setAlertDate(date , true); + } + }); + d.show(); + } + + /** + * Share note to apps that support {@link Intent#ACTION_SEND} action + * and {@text/plain} type + */ + private void sendTo(Context context, String info) {//将便签的文本发送到其他支持plain类型文字显示的app中 + Intent intent = new Intent(Intent.ACTION_SEND); + intent.putExtra(Intent.EXTRA_TEXT, info); + intent.setType("text/plain"); + context.startActivity(intent); + } + + private void createNewNote() {//创建新的便签 + // Firstly, save current editing notes + saveNote(); + + // For safety, start a new NoteEditActivity + finish(); + Intent intent = new Intent(this, NoteEditActivity.class);//设置一个新的便签活动编辑器 + intent.setAction(Intent.ACTION_INSERT_OR_EDIT); + intent.putExtra(Notes.INTENT_EXTRA_FOLDER_ID, mWorkingNote.getFolderId()); + startActivity(intent); + } + + private void deleteCurrentNote() {//删除当前的便签 + if (mWorkingNote.existInDatabase()) { + HashSet ids = new HashSet(); + long id = mWorkingNote.getNoteId(); + if (id != Notes.ID_ROOT_FOLDER) { + ids.add(id); + } else { + Log.d(TAG, "Wrong note id, should not happen"); + } + if (!isSyncMode()) { + if (!DataUtils.batchDeleteNotes(getContentResolver(), ids)) { + Log.e(TAG, "Delete Note error"); + } + } else { + if (!DataUtils.batchMoveToFolder(getContentResolver(), ids, Notes.ID_TRASH_FOLER)) { + Log.e(TAG, "Move notes to trash folder error, should not happens"); + } + } + } + mWorkingNote.markDeleted(true); + } + + private boolean isSyncMode() {//判断是否为同步模式 + return NotesPreferenceActivity.getSyncAccountName(this).trim().length() > 0; + }//返回同步的用户名长度，如果大于0则有同步状态，否则非同步 + + public void onClockAlertChanged(long date, boolean set) {//设置闹钟提醒改变的监听 + /** + * User could set clock to an unsaved note, so before setting the + * alert clock, we should save the note first + */ + if (!mWorkingNote.existInDatabase()) {//如果设置提醒的便签未保存，则先保存 + saveNote(); + } + if (mWorkingNote.getNoteId() > 0) {//数据库中有该提醒的id,执行下面操作。否则，报错 + Intent intent = new Intent(this, AlarmReceiver.class); + intent.setData(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, mWorkingNote.getNoteId())); + PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, intent, 0); + AlarmManager alarmManager = ((AlarmManager) getSystemService(ALARM_SERVICE)); + showAlertHeader(); + if(!set) { + alarmManager.cancel(pendingIntent); + } else { + alarmManager.set(AlarmManager.RTC_WAKEUP, date, pendingIntent); + } + } 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 + */ + Log.e(TAG, "Clock alert setting error"); + showToast(R.string.error_note_empty_for_clock); + } + } + + public void onWidgetChanged() { + updateWidget(); + }//当widget变化时，执行更新widget的函数 + + public void onEditTextDelete(int index, String text) {//当删除编辑文本时，执行这个函数 + int childCount = mEditTextList.getChildCount(); + if (childCount == 1) { + return; + } + + for (int i = index + 1; i < childCount; i++) { + ((NoteEditText) mEditTextList.getChildAt(i).findViewById(R.id.et_edit_text)) + .setIndex(i - 1); + } + + mEditTextList.removeViewAt(index); + NoteEditText edit = null; + if(index == 0) { + edit = (NoteEditText) mEditTextList.getChildAt(0).findViewById( + R.id.et_edit_text); + } else { + edit = (NoteEditText) mEditTextList.getChildAt(index - 1).findViewById( + R.id.et_edit_text); + } + int length = edit.length(); + edit.append(text); + edit.requestFocus(); + edit.setSelection(length); + } + + public void onEditTextEnter(int index, String text) {//进入编辑文本框所触发的事件 + /** + * Should not happen, check for debug + */ + if(index > mEditTextList.getChildCount()) {//如果便签长度超过了限制，则提示错误 + Log.e(TAG, "Index out of mEditTextList boundrary, should not happen"); + } + + View view = getListItem(text, index); + mEditTextList.addView(view, index); + NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text); + edit.requestFocus(); + edit.setSelection(0); + for (int i = index + 1; i < mEditTextList.getChildCount(); i++) {//遍历子文本框并设置对应对下标 + ((NoteEditText) mEditTextList.getChildAt(i).findViewById(R.id.et_edit_text)) + .setIndex(i); + } + } + + private void switchToListMode(String text) {//切换至列表模式 + mEditTextList.removeAllViews(); + String[] items = text.split("\n"); + int index = 0; + for (String item : items) { + if(!TextUtils.isEmpty(item)) { + mEditTextList.addView(getListItem(item, index)); + index++; + } + } + mEditTextList.addView(getListItem("", index)); + mEditTextList.getChildAt(index).findViewById(R.id.et_edit_text).requestFocus(); + + mNoteEditor.setVisibility(View.GONE); + mEditTextList.setVisibility(View.VISIBLE); + }//清空所有视图 初始化下标 遍历所有文本单元并添加到文本框中 优先请求此操作 便签编辑器不可见 将文本编辑框置为可见 + + private Spannable getHighlightQueryResult(String fullText, String userQuery) {//获取高亮效果的反馈结果 + SpannableString spannable = new SpannableString(fullText == null ? "" : fullText); + if (!TextUtils.isEmpty(userQuery)) { + mPattern = Pattern.compile(userQuery); + Matcher m = mPattern.matcher(fullText); + 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); + start = m.end(); + } + } + return spannable; + } + + private View getListItem(String item, int index) {//获取列表项 + View view = LayoutInflater.from(this).inflate(R.layout.note_edit_list_item, null); + final NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text); + edit.setTextAppearance(this, TextAppearanceResources.getTexAppearanceResource(mFontSizeId)); + CheckBox cb = ((CheckBox) view.findViewById(R.id.cb_edit_item)); + cb.setOnCheckedChangeListener(new OnCheckedChangeListener() { + public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {//如果CheckBox已勾选，则执行下面函数，设置显示方式 + if (isChecked) {//如果已经被标记 + edit.setPaintFlags(edit.getPaintFlags() | Paint.STRIKE_THRU_TEXT_FLAG); + } else { + edit.setPaintFlags(Paint.ANTI_ALIAS_FLAG | Paint.DEV_KERN_TEXT_FLAG); + } + } + }); + + if (item.startsWith(TAG_CHECKED)) {//判断是否勾选 + 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)) { + cb.setChecked(false); + edit.setPaintFlags(Paint.ANTI_ALIAS_FLAG | Paint.DEV_KERN_TEXT_FLAG); + item = item.substring(TAG_UNCHECKED.length(), item.length()).trim(); + } + + edit.setOnTextViewChangeListener(this); + edit.setIndex(index); + edit.setText(getHighlightQueryResult(item, mUserQuery)); + return view; + } + + public void onTextChange(int index, boolean hasText) {//便签内容发生改变所触发的事件 越界报错 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 + if (index >= mEditTextList.getChildCount()) { + Log.e(TAG, "Wrong index, should not happen"); + return; + } + 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); + } + } + + public void onCheckListModeChanged(int oldMode, int newMode) {//监听清单模式的变化 + if (newMode == TextNote.MODE_CHECK_LIST) { + switchToListMode(mNoteEditor.getText().toString()); + } else { + if (!getWorkingText()) { + mWorkingNote.setWorkingText(mWorkingNote.getContent().replace(TAG_UNCHECKED + " ", + "")); + } + mNoteEditor.setText(getHighlightQueryResult(mWorkingNote.getContent(), mUserQuery)); + mEditTextList.setVisibility(View.GONE); + mNoteEditor.setVisibility(View.VISIBLE); + } + }//如果新模式为列表模式，则调用switchToListMode()方法将便签编辑器的文本切换到列表模式，否则若是获取到文本就改变其检查标记，修改文本编辑器的内容和可见性 + + private boolean getWorkingText() {//获取当前活动便签的文本并保存到数据库中 + boolean hasChecked = false;//初始化check标记 + if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) { + StringBuilder sb = new StringBuilder(); + for (int i = 0; i < mEditTextList.getChildCount(); i++) { + View view = mEditTextList.getChildAt(i); + NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text); + if (!TextUtils.isEmpty(edit.getText())) { + if (((CheckBox) view.findViewById(R.id.cb_edit_item)).isChecked()) { + sb.append(TAG_CHECKED).append(" ").append(edit.getText()).append("\n"); + hasChecked = true; + } else { + sb.append(TAG_UNCHECKED).append(" ").append(edit.getText()).append("\n"); + } + } + } + mWorkingNote.setWorkingText(sb.toString()); + } else { + mWorkingNote.setWorkingText(mNoteEditor.getText().toString()); + } + return hasChecked; + }//如果当前工作便签为清单模式，转化为文字形式保存其数据否则直接保存文字数据到数据库中 + + private boolean saveNote() {//保存便签 + getWorkingText(); + boolean saved = mWorkingNote.saveNote(); + if (saved) { + /** + * There are two modes from List view to edit view, open one note, + * create/edit a node. Opening node requires to the original + * position in the list when back from edit view, while creating a + * new node requires to the top of the list. This code + * {@link #RESULT_OK} is used to identify the create/edit state + */ + setResult(RESULT_OK); + } + return saved; + } + + private void sendToDesktop() {//将便签发送至桌面 + /** + * Before send message to home, we should make sure that current + * editing note is exists in databases. So, for new note, firstly + * save it + */ + if (!mWorkingNote.existInDatabase()) { + saveNote(); + }//核对正编辑的便签是否存在于数据库中，若不存在，则先保存便签 + + if (mWorkingNote.getNoteId() > 0) {//若便签的id大于0，则执行以下程序 + Intent sender = new Intent(); + Intent shortcutIntent = new Intent(this, NoteEditActivity.class); + shortcutIntent.setAction(Intent.ACTION_VIEW); + shortcutIntent.putExtra(Intent.EXTRA_UID, mWorkingNote.getNoteId()); + sender.putExtra(Intent.EXTRA_SHORTCUT_INTENT, shortcutIntent); + sender.putExtra(Intent.EXTRA_SHORTCUT_NAME, + makeShortcutIconTitle(mWorkingNote.getContent())); + sender.putExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE, + Intent.ShortcutIconResource.fromContext(this, R.drawable.icon_app)); + sender.putExtra("duplicate", true); + sender.setAction("com.android.launcher.action.INSTALL_SHORTCUT"); + showToast(R.string.info_note_enter_desktop); + sendBroadcast(sender);//建立发送到桌面的连接器 链接为一个视图 将便签的相关信息都添加到要发送的文件里 设置sneder的行为是发送 + } else {//如果便签的id错误，则保存提醒用户 + /** + * 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 + */ + Log.e(TAG, "Send to desktop error"); + showToast(R.string.error_note_empty_for_send_to_desktop); + } + } + + private String makeShortcutIconTitle(String content) {//编辑小图标的标题 + 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 + + private void showToast(int resId) { + showToast(resId, Toast.LENGTH_SHORT); + }//显示提示的视图 + + private void showToast(int resId, int duration) {//持续显示提示的视图 + Toast.makeText(this, resId, duration).show(); + } +} diff --git a/doc/精读报告/ui/NoteEditText.doc b/doc/精读报告/ui/NoteEditText.doc new file mode 100644 index 0000000..9318ea6 --- /dev/null +++ b/doc/精读报告/ui/NoteEditText.doc @@ -0,0 +1,221 @@ +/* + * 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; +import android.graphics.Rect; +import android.text.Layout; +import android.text.Selection; +import android.text.Spanned; +import android.text.TextUtils; +import android.text.style.URLSpan; +import android.util.AttributeSet; +import android.util.Log; +import android.view.ContextMenu; +import android.view.KeyEvent; +import android.view.MenuItem; +import android.view.MenuItem.OnMenuItemClickListener; +import android.view.MotionEvent; +import android.widget.EditText; + +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; + private int mSelectionStartBeforeDelete; + + private static final String SCHEME_TEL = "tel:" ; + 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(); + //一个字符串和文本的静态映射的哈希表，将字符串转化成文本内容，然后放在弹出文本框内 + static { + sSchemaActionResMap.put(SCHEME_TEL, R.string.note_link_tel); + sSchemaActionResMap.put(SCHEME_HTTP, R.string.note_link_web); + sSchemaActionResMap.put(SCHEME_EMAIL, R.string.note_link_email); + } + + /** + * Call by the {@link NoteEditActivity} to delete or add edit text + */ + public interface OnTextViewChangeListener {//该接口用于实现对TextView组件中的文字信息进行修改 + /** + * Delete current edit text when {@link KeyEvent#KEYCODE_DEL} happens + * and the text is null + */ + void onEditTextDelete(int index, String text);//当delete键按下时删除当前编辑的文字块 + + /** + * Add edit text after current edit text when {@link KeyEvent#KEYCODE_ENTER} + * happen + */ + void onEditTextEnter(int index, String text);//当enter键按下时添加一个文字编辑块 + + /** + * Hide or show item option when text change + */ + void onTextChange(int index, boolean hasText);//当文字发生变化时隐藏或者显示设置 + } + + private OnTextViewChangeListener mOnTextViewChangeListener;//声明文本视图变化监听器 + + public NoteEditText(Context context) {//下面有三个构造函数，继承父类的方法，各个参数不同 + super(context, null); + mIndex = 0; + } + + public void setIndex(int index) { + mIndex = index; + } + + public void setOnTextViewChangeListener(OnTextViewChangeListener listener) { + mOnTextViewChangeListener = listener; + } + + public NoteEditText(Context context, AttributeSet attrs) {//下面两个函数都是NoteEditText的构造函数,它们同样继承了父类的构造函数,不同的是它们调用的参数不一样 + super(context, attrs, android.R.attr.editTextStyle); + } + + public NoteEditText(Context context, AttributeSet attrs, int defStyle) { + super(context, attrs, defStyle); + // TODO Auto-generated constructor stub + } + + @Override + public boolean onTouchEvent(MotionEvent event) { + //触摸屏幕编辑便签时触发，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 + switch (event.getAction()) { + case MotionEvent.ACTION_DOWN://重写屏幕触发事件 + + int x = (int) event.getX(); + int y = (int) event.getY(); + x -= getTotalPaddingLeft();//减去左边控件的距离 + y -= getTotalPaddingTop(); + x += getScrollX();//加上滚轮滚过的距离 + y += getScrollY(); + + Layout layout = getLayout();//用布局控件layout根据x,y的新值设置新的位置 + int line = layout.getLineForVertical(y); + int off = layout.getOffsetForHorizontal(line, x); + Selection.setSelection(getText(), off); + break; + } + + return super.onTouchEvent(event);//这是调用父类的方法，当屏幕有Touch事件时，此方法就会被调用 + } + + @Override + public boolean onKeyDown(int keyCode, KeyEvent event) { + switch (keyCode) { + case KeyEvent.KEYCODE_ENTER: + if (mOnTextViewChangeListener != null) { + //mOnTextViewChangeListener是上面接口OnTextViewChangeListener的引用，指向初始化时的listener对象，该对象是OnTextViewChangeListener的实现类的对象，接口无法直接实例化。mOnTextViewChangeListener标志着文本是否被改变。 + return false; + } + break; + case KeyEvent.KEYCODE_DEL: + mSelectionStartBeforeDelete = getSelectionStart();//获取删除文本开始位置 + break; + default: + break; + } + return super.onKeyDown(keyCode, event);//调用父类的方法，响应其他按键，如数字键和字母键等 + } + + @Override + public boolean onKeyUp(int keyCode, KeyEvent event) {//处理用户松开一个键盘按键时会触发的事件 + switch(keyCode) { + case KeyEvent.KEYCODE_DEL: + if (mOnTextViewChangeListener != null) {//如果文本视图发生变化 + if (0 == mSelectionStartBeforeDelete && mIndex != 0) {//若之前有被修改并且文档不为空 + mOnTextViewChangeListener.onEditTextDelete(mIndex, getText().toString());//监听文本的删除 + 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: + if (mOnTextViewChangeListener != null) { + int selectionStart = getSelectionStart();////获取当前位置 + String text = getText().subSequence(selectionStart, length()).toString();//获取选择区域后面的文本信息 + setText(getText().subSequence(0, selectionStart));//根据获取的文本设置当前文本 + mOnTextViewChangeListener.onEditTextEnter(mIndex + 1, text);//将选择区域内的文字移到下一行 + } else { + Log.d(TAG, "OnTextViewChangeListener was not seted");//其他情况报错，监听器OnTextViewChangeListener并没有建立 + } + break; + default: + break; + } + return super.onKeyUp(keyCode, event);//继续执行父类的其他按键弹起的事件 + } + + @Override + protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) {//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 + if (mOnTextViewChangeListener != null) { + if (!focused && TextUtils.isEmpty(getText())) { + 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 + + } + } + super.onFocusChanged(focused, direction, previouslyFocusedRect);//继续执行父类的其他焦点变化的事件 + } + + @Override + protected void onCreateContextMenu(ContextMenu menu) {//生成上下文菜单 + if (getText() instanceof Spanned) {//如果有文本存在 + 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、最小值 + + final URLSpan[] urls = ((Spanned) getText()).getSpans(min, max, URLSpan.class);//获取一段text内容，并且把这段内容强制转换为Spanned类型，并存入URLSpan数组urls中 + if (urls.length == 1) { + int defaultResId = 0; + for(String schema: sSchemaActionResMap.keySet()) { + 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; + } + + menu.add(0, 0, 0, defaultResId).setOnMenuItemClickListener( + new OnMenuItemClickListener() { + public boolean onMenuItemClick(MenuItem item) {//如果点击菜单执行操作 + // 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; + } + }); + } + } + super.onCreateContextMenu(menu);//继续执行父类的其他菜单创建的事件 + } +}