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MiNotes
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Merge branch 'develop' of https://bdgit.educoder.net/m6wf5oeyl/MiNotes into wushuxian_branch

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# Conflicts:
#	.gitignore
#	.idea/.gitignore
#	doc/小米便签的代码标注.docx
#	src/main/AndroidManifest.xml
#	src/main/java/net/micode/notes/data/Contact.java
#	src/main/java/net/micode/notes/data/Notes.java
#	src/main/java/net/micode/notes/data/NotesDatabaseHelper.java
#	src/main/java/net/micode/notes/data/NotesProvider.java
#	src/main/java/net/micode/notes/ui/AlarmAlertActivity.java
#	src/main/res/drawable-hdpi/edit_red.9.png
pull/16/head
SheYu 1 year ago
parent 54f560f00c 7f8972ca52
commit e01e666ae8
10 changed files with 369 additions and 311 deletions
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4
.gitignore vendored
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@ -1,3 +1,3 @@
/doc/~$模板-开源软件泛读、标注和维护报告文档 .docx
/src/Notes-master1/
/src/Notes/
/src/.idea/
/.idea/

3
.idea/.gitignore vendored
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@ -1,3 +0,0 @@
# Default ignored files
/shelf/
/workspace.xml

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41
src/main/AndroidManifest.xml
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@ -17,8 +17,7 @@
<!--- 定义应用程序的名称和版本号 -->
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
package="net.micode.notes"
android:versionCode="1"
android:versionName="0.1" >
@ -52,15 +51,12 @@
<!--- 应用程序的入口 NotesListActivity -->
<activity
android:name=".ui.NotesListActivity"
android:exported="true"
android:configChanges="keyboardHidden|orientation|screenSize"
android:label="@string/app_name"
android:launchMode="singleTop"
android:theme="@style/NoteTheme"
<<<<<<<< HEAD:src/main/AndroidManifest.xml
android:windowSoftInputMode="adjustPan"
android:exported="true">
========
android:windowSoftInputMode="adjustPan" >
>>>>>>>> b654a61 (code):src/Notes/app/src/main/AndroidManifest.xml
<!--- 定义该 Activity 为启动器，即默认启动的 Activity -->
<intent-filter>
@ -74,19 +70,8 @@
android:name=".ui.NoteEditActivity"
android:configChanges="keyboardHidden|orientation|screenSize"
android:launchMode="singleTop"
android:theme="@style/NoteTheme"
android:exported="true">
<<<<<<<< HEAD:src/main/AndroidManifest.xml
<intent-filter android:scheme="http"
tools:ignore="AppLinkUrlError">
<action android:name="android.intent.action.VIEW" />
<category android:name="android.intent.category.DEFAULT" />
<data android:mimeType="vnd.android.cursor.item/text_note" />
<data android:mimeType="vnd.android.cursor.item/call_note" />
</intent-filter>
android:theme="@style/NoteTheme" >
========
<!--- 笔记编辑 Activity 的 Intent Filter，用于接收其他应用程序发送过来的消息 -->
<intent-filter>
<action android:name="android.intent.action.VIEW" />
@ -97,7 +82,6 @@
</intent-filter>
<!--- 笔记编辑 Activity 的 Intent Filter，用于接收其他应用程序发送过来的消息 -->
>>>>>>>> b654a61 (code):src/Notes/app/src/main/AndroidManifest.xml
<intent-filter>
<action android:name="android.intent.action.INSERT_OR_EDIT" />
<category android:name="android.intent.category.DEFAULT" />
@ -122,20 +106,14 @@
<provider
android:name="net.micode.notes.data.NotesProvider"
android:authorities="micode_notes"
android:multiprocess="true"
android:exported="false" />
android:multiprocess="true" />
<!--- 笔记小部件，支持两种大小 -->
<receiver
android:name=".widget.NoteWidgetProvider_2x"
<<<<<<<< HEAD:src/main/AndroidManifest.xml
android:label="@string/app_widget2x2"
android:exported="true">
========
android:label="@string/app_widget2x2" >
<!--- 笔记小部件的 Intent Filter，用于接收系统广播和小部件更新操作 -->
>>>>>>>> b654a61 (code):src/Notes/app/src/main/AndroidManifest.xml
<intent-filter>
<action android:name="android.appwidget.action.APPWIDGET_UPDATE" />
<action android:name="android.appwidget.action.APPWIDGET_DELETED" />
@ -149,8 +127,7 @@
</receiver>
<receiver
android:name=".widget.NoteWidgetProvider_4x"
android:label="@string/app_widget4x4"
android:exported="true">
android:label="@string/app_widget4x4" >
<!--- 笔记小部件的 Intent Filter，用于接收系统广播和小部件更新操作 -->
<intent-filter>
@ -165,13 +142,8 @@
android:resource="@xml/widget_4x_info" />
</receiver>
<<<<<<<< HEAD:src/main/AndroidManifest.xml
<receiver android:name=".ui.AlarmInitReceiver"
android:exported="true">
========
<!--- 启动时需要初始化闹钟服务 -->
<receiver android:name=".ui.AlarmInitReceiver" >
>>>>>>>> b654a61 (code):src/Notes/app/src/main/AndroidManifest.xml
<intent-filter>
<action android:name="android.intent.action.BOOT_COMPLETED" />
</intent-filter>
@ -186,6 +158,7 @@
<!--- 闹钟提示 Activity -->
<activity
android:name=".ui.AlarmAlertActivity"
android:label="@string/app_name"
android:launchMode="singleInstance"
android:theme="@android:style/Theme.Holo.Wallpaper.NoTitleBar" >
</activity>

57
src/main/java/net/micode/notes/data/Contact.java
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@ -14,7 +14,7 @@
* limitations under the License.
*/
package net.micode.notes.data;
package net.micode.notes.data;//属于data这个包
import android.content.Context;
import android.database.Cursor;
@ -25,63 +25,64 @@ import android.util.Log;
import java.util.HashMap;
/**
* @Package: net.micode.notes.data
* @ClassName: Contact
* @Description:
* @Author: WUSHUXIAN
* @CreateDate: 2023/12/20 23:26
* @Version: 1.0
* @Package: net.micode.notes.data
* @ClassName: Contact
* @Description:
* Contact类用于查询联系人信息并进行缓存。
* 该类包含一个静态的HashMap作为缓存，存储电话号码和对应的联系人名字。
* 通过调用getContact方法可以根据给定的电话号码查询联系人名字。
* 如果缓存中已经存在该电话号码对应的联系人名字，则直接返回缓存中的结果，否则通过查询数据库获取联系人名字并更新缓存。
* 该类还定义了一个私有的SQL筛选语句用于查询联系人信息。
* 注意：该类是线程不安全的，如果需要在多线程环境下使用，请做好同步控制
* @Author: YangYizhe
* @CreateDate: 12/17/2023 10:10 AM
* @Version: 1.0
*/
public class Contact {
/**
* 作为缓存,存储电话号码和对应的联系人名字
*/
private static HashMap<String, String> sContactCache;
private static final String TAG = "Contact";
private static final String TAG = "Contact";//设置日志TAG标签
//查询联系人的SQL筛选语句
private static final String CALLER_ID_SELECTION = "PHONE_NUMBERS_EQUAL(" + Phone.NUMBER
+ ",?) AND " + Data.MIMETYPE + "='" + Phone.CONTENT_ITEM_TYPE + "'"
+ " AND " + Data.RAW_CONTACT_ID + " IN "
+ "(SELECT raw_contact_id "
+ " FROM phone_lookup"
+ " WHERE min_match = '+')";
/**
* @method getContact
* @description:
* @date: 2023/12/21 19:18
* @author: WuShuxian
* @param: context
* @param: phoneNumber
* @return: String
*/
//获取联系人
public static String getContact(Context context, String phoneNumber) {
//
if(sContactCache == null) {
if(sContactCache == null) {/*如果缓存为空，就新建一个*/
sContactCache = new HashMap<String, String>();
}
if(sContactCache.containsKey(phoneNumber)) {
if(sContactCache.containsKey(phoneNumber)) {/*如果缓存中已经有该电话号码对应的联系人名字，就直接返回*/
return sContactCache.get(phoneNumber);
}
String selection = CALLER_ID_SELECTION.replace("+",
PhoneNumberUtils.toCallerIDMinMatch(phoneNumber));
PhoneNumberUtils.toCallerIDMinMatch(phoneNumber));//将电话号码转换为最小匹配模式，用于筛选
Cursor cursor = context.getContentResolver().query(
Data.CONTENT_URI,
new String [] { Phone.DISPLAY_NAME },
selection,
selection,//使用筛选条件
new String[] { phoneNumber },
null);
if (cursor != null && cursor.moveToFirst()) {
if (cursor != null && cursor.moveToFirst()) {//如果找到了符合条件的联系人
try {
String name = cursor.getString(0);
sContactCache.put(phoneNumber, name);
return name;
String name = cursor.getString(0);//获取联系人名字
sContactCache.put(phoneNumber, name);//将电话号码和联系人名字添加到缓存中
return name;//返回联系人名字
} catch (IndexOutOfBoundsException e) {
Log.e(TAG, " Cursor get string error " + e.toString());
return null;
} finally {
cursor.close();
cursor.close();//关闭游标
}
} else {
} else {/*没找到*/
Log.d(TAG, "No contact matched with number:" + phoneNumber);
return null;
}

169
src/main/java/net/micode/notes/data/Notes.java
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@ -17,17 +17,11 @@
package net.micode.notes.data;
import android.net.Uri;
/**
* @Package: net.micode.notes.data
* @ClassName: Notes
* @Description:
* @Author: WuShuxian
* @CreateDate: 2023/12/21 19:32
* @Version: 1.0
*/
//Notes类就定义了很多常量，是小米便签的数据库
public class Notes {
public static final String AUTHORITY = "micode_notes";
public static final String TAG = "Notes";
//三个type
public static final int TYPE_NOTE = 0;
public static final int TYPE_FOLDER = 1;
public static final int TYPE_SYSTEM = 2;
@ -38,6 +32,7 @@ public class Notes {
* {@link Notes#ID_TEMPARAY_FOLDER } is for notes belonging no folder
* {@link Notes#ID_CALL_RECORD_FOLDER} is to store call records
*/
//不同种类的文件夹
public static final int ID_ROOT_FOLDER = 0;
public static final int ID_TEMPARAY_FOLDER = -1;
public static final int ID_CALL_RECORD_FOLDER = -2;
@ -53,12 +48,12 @@ public class Notes {
public static final int TYPE_WIDGET_INVALIDE = -1;
public static final int TYPE_WIDGET_2X = 0;
public static final int TYPE_WIDGET_4X = 1;
//数据常量 包括普通note和call_note
public static class DataConstants {
public static final String NOTE = TextNote.CONTENT_ITEM_TYPE;
public static final String CALL_NOTE = CallNote.CONTENT_ITEM_TYPE;
}
//两个指针，一个找便签和文件夹，一个用来找数据
/**
* Uri to query all notes and folders
*/
@ -67,72 +62,201 @@ public class Notes {
/**
* Uri to query data
*/
public static final Uri CONTENT_DATA_URI = Uri.parse("content://" + AUTHORITY + "/data");
public static final Uri CONTENT_DATA_URI = Uri.parse("content://" + AUTHORITY + "/data");
//Notecolumns类，用于创建数据库的表头
public interface NoteColumns {
//具体每一项都给了英文注释
/**
* The unique ID for a row
* <P> Type: INTEGER (long) </P>
*/
public static final String ID = "_id";
/**
* The parent's id for note or folder
* <P> Type: INTEGER (long) </P>
*/
public static final String PARENT_ID = "parent_id";
/**
* Created data for note or folder
* <P> Type: INTEGER (long) </P>
*/
public static final String CREATED_DATE = "created_date";
/**
* Latest modified date
* <P> Type: INTEGER (long) </P>
*/
public static final String MODIFIED_DATE = "modified_date";
/**
* Alert date
* <P> Type: INTEGER (long) </P>
*/
public static final String ALERTED_DATE = "alert_date";
/**
* Folder's name or text content of note
* <P> Type: TEXT </P>
*/
public static final String SNIPPET = "snippet";
/**
* Note's widget id
* <P> Type: INTEGER (long) </P>
*/
public static final String WIDGET_ID = "widget_id";
/**
* Note's widget type
* <P> Type: INTEGER (long) </P>
*/
public static final String WIDGET_TYPE = "widget_type";
/**
* Note's background color's id
* <P> Type: INTEGER (long) </P>
*/
public static final String BG_COLOR_ID = "bg_color_id";
/**
* For text note, it doesn't has attachment, for multi-media
* note, it has at least one attachment
* <P> Type: INTEGER </P>
*/
public static final String HAS_ATTACHMENT = "has_attachment";
/**
* Folder's count of notes
* <P> Type: INTEGER (long) </P>
*/
public static final String NOTES_COUNT = "notes_count";
/**
* The file type: folder or note
* <P> Type: INTEGER </P>
*/
public static final String TYPE = "type";
/**
* The last sync id
* <P> Type: INTEGER (long) </P>
*/
public static final String SYNC_ID = "sync_id";
/**
* Sign to indicate local modified or not
* <P> Type: INTEGER </P>
*/
public static final String LOCAL_MODIFIED = "local_modified";
/**
* Original parent id before moving into temporary folder
* <P> Type : INTEGER </P>
*/
public static final String ORIGIN_PARENT_ID = "origin_parent_id";
/**
* The gtask id
* <P> Type : TEXT </P>
*/
public static final String GTASK_ID = "gtask_id";
/**
* The version code
* <P> Type : INTEGER (long) </P>
*/
public static final String VERSION = "version";
}
public interface DataColumns {
public static final String PASSWORD = "password";
public static final String IMPORTANCE = "importance";
}//便签的各种属性
/*
* 便签数据在数据库中的表头
*/
public interface DataColumns {
/**
* The unique ID for a row
* <P> Type: INTEGER (long) </P>
*/
public static final String ID = "_id";
/**
* The MIME type of the item represented by this row.
* <P> Type: Text </P>
*/
public static final String MIME_TYPE = "mime_type";
/**
* The reference id to note that this data belongs to
* <P> Type: INTEGER (long) </P>
*/
public static final String NOTE_ID = "note_id";
/**
* Created data for note or folder
* <P> Type: INTEGER (long) </P>
*/
public static final String CREATED_DATE = "created_date";
/**
* Latest modified date
* <P> Type: INTEGER (long) </P>
*/
public static final String MODIFIED_DATE = "modified_date";
/**
* Data's content
* <P> Type: TEXT </P>
*/
public static final String CONTENT = "content";
/**
* Generic data column, the meaning is {@link #MIMETYPE} specific, used for
* integer data type
* <P> Type: INTEGER </P>
*/
public static final String DATA1 = "data1";
/**
* Generic data column, the meaning is {@link #MIMETYPE} specific, used for
* integer data type
* <P> Type: INTEGER </P>
*/
public static final String DATA2 = "data2";
/**
* Generic data column, the meaning is {@link #MIMETYPE} specific, used for
* TEXT data type
* <P> Type: TEXT </P>
*/
public static final String DATA3 = "data3";
/**
* Generic data column, the meaning is {@link #MIMETYPE} specific, used for
* TEXT data type
* <P> Type: TEXT </P>
*/
public static final String DATA4 = "data4";
/**
* Generic data column, the meaning is {@link #MIMETYPE} specific, used for
* TEXT data type
* <P> Type: TEXT </P>
*/
public static final String DATA5 = "data5";
}
}//一个便签内部各种数据类型
public static final class TextNote implements DataColumns {
/**
* Mode to indicate the text in check list mode or not
* <P> Type: Integer 1:check list mode 0: normal mode </P>
*/
public static final String MODE = DATA1;
public static final int MODE_CHECK_LIST = 1;
@ -142,12 +266,19 @@ public class Notes {
public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/text_note";
public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/text_note");
}
}//一种是文本textnote
public static final class CallNote implements DataColumns {
/**
* Call date for this record
* <P> Type: INTEGER (long) </P>
*/
public static final String CALL_DATE = DATA1;
/**
* Phone number for this record
* <P> Type: TEXT </P>
*/
public static final String PHONE_NUMBER = DATA3;
public static final String CONTENT_TYPE = "vnd.android.cursor.dir/call_note";
@ -155,5 +286,5 @@ public class Notes {
public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/call_note";
public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/call_note");
}
}//另一种是通话类型的callnote
}

137
src/main/java/net/micode/notes/data/NotesDatabaseHelper.java
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@ -16,31 +16,22 @@
package net.micode.notes.data;
import android.content.ContentValues;//就是用于保存一些数据（string boolean ...）信息，这些信息可以被数据库操作时使用。
import android.content.ContentValues;
import android.content.Context;
import android.database.sqlite.SQLiteDatabase;//主要提供了对应于添加、删除、更新、查询的操作方法： insert()、delete()、update()和query()。配合content.values
import android.database.sqlite.SQLiteOpenHelper;//用来管理数据的创建和版本更新
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;
import android.util.Log;
//引用了同一个包中的另一个子包Notes中一些接口
import net.micode.notes.data.Notes.DataColumns;
import net.micode.notes.data.Notes.DataConstants;
import net.micode.notes.data.Notes.NoteColumns;
/**
* @Package: net.micode.notes.data
* @ClassName: NotesDatabaseHelper
* @Description: 便签数据库操作底层实现
* @Author: WuShuxian
* @CreateDate: 2023/12/21 19:46
* @Version: 1.0
*/
//数据库操作
public class NotesDatabaseHelper extends SQLiteOpenHelper {
private static final String DB_NAME = "note.db";
private static final int DB_VERSION = 4;
/**
* 接口，创建数据库表头
*/
//接口两部分一个Note一个DATA
public interface TABLE {
public static final String NOTE = "note";
@ -50,9 +41,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
private static final String TAG = "NotesDatabaseHelper";
private static NotesDatabaseHelper mInstance;
/**
* 便签的属性数据库
*/
//基于NoteColumn创建一个NOTE_TABLE表格，并附上初始数据
private static final String CREATE_NOTE_TABLE_SQL =
"CREATE TABLE " + TABLE.NOTE + "(" +
NoteColumns.ID + " INTEGER PRIMARY KEY," +
@ -73,9 +62,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
NoteColumns.GTASK_ID + " TEXT NOT NULL DEFAULT ''," +
NoteColumns.VERSION + " INTEGER NOT NULL DEFAULT 0" +
")";
/**
* 便签的内容数据库
*/
//主要基于datacolumn来创建DATA_TABLE
private static final String CREATE_DATA_TABLE_SQL =
"CREATE TABLE " + TABLE.DATA + "(" +
DataColumns.ID + " INTEGER PRIMARY KEY," +
@ -90,13 +77,13 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
DataColumns.DATA4 + " TEXT NOT NULL DEFAULT ''," +
DataColumns.DATA5 + " TEXT NOT NULL DEFAULT ''" +
")";
//这个数据是关于INDEX编号的
private static final String CREATE_DATA_NOTE_ID_INDEX_SQL =
"CREATE INDEX IF NOT EXISTS note_id_index ON " +
TABLE.DATA + "(" + DataColumns.NOTE_ID + ");";
/**
* 文件夹内移进便签时需要修改的数据
* Increase folder's note count when move note to the folder
*/
private static final String NOTE_INCREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER =
"CREATE TRIGGER increase_folder_count_on_update "+
@ -106,9 +93,9 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
" SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + " + 1" +
" WHERE " + NoteColumns.ID + "=new." + NoteColumns.PARENT_ID + ";" +
" END";
//移入note时触发，修改一系列数据，从哪来之类的
/**
* 便签移出文件夹时需要修改的数据
* Decrease folder's note count when move note from folder
*/
private static final String NOTE_DECREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER =
"CREATE TRIGGER decrease_folder_count_on_update " +
@ -119,9 +106,9 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
" WHERE " + NoteColumns.ID + "=old." + NoteColumns.PARENT_ID +
" AND " + NoteColumns.NOTES_COUNT + ">0" + ";" +
" END";
//移除Note时触发，与上面移入对应
/**
* 插入（新建）便签时需要修改的数据
* Increase folder's note count when insert new note to the folder
*/
private static final String NOTE_INCREASE_FOLDER_COUNT_ON_INSERT_TRIGGER =
"CREATE TRIGGER increase_folder_count_on_insert " +
@ -131,9 +118,9 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
" SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + " + 1" +
" WHERE " + NoteColumns.ID + "=new." + NoteColumns.PARENT_ID + ";" +
" END";
//插入Note
/**
* 删除便签时需要修改的数据
* Decrease folder's note count when delete note from the folder
*/
private static final String NOTE_DECREASE_FOLDER_COUNT_ON_DELETE_TRIGGER =
"CREATE TRIGGER decrease_folder_count_on_delete " +
@ -144,7 +131,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
" WHERE " + NoteColumns.ID + "=old." + NoteColumns.PARENT_ID +
" AND " + NoteColumns.NOTES_COUNT + ">0;" +
" END";
//删除note
/**
* Update note's content when insert data with type {@link DataConstants#NOTE}
*/
@ -157,7 +144,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
" SET " + NoteColumns.SNIPPET + "=new." + DataColumns.CONTENT +
" WHERE " + NoteColumns.ID + "=new." + DataColumns.NOTE_ID + ";" +
" END";
//当给note插入新数据时触发
/**
* Update note's content when data with {@link DataConstants#NOTE} type has changed
*/
@ -169,7 +156,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
" UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.SNIPPET + "=new." + DataColumns.CONTENT +
" WHERE " + NoteColumns.ID + "=new." + DataColumns.NOTE_ID + ";" +
" END";
" END";//note数据被修改update
/**
* Update note's content when data with {@link DataConstants#NOTE} type has deleted
@ -182,7 +169,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
" UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.SNIPPET + "=''" +
" WHERE " + NoteColumns.ID + "=old." + DataColumns.NOTE_ID + ";" +
" END";
" END";//更新已经删除的便签的数据
/**
* Delete datas belong to note which has been deleted
@ -193,7 +180,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
" BEGIN" +
" DELETE FROM " + TABLE.DATA +
" WHERE " + DataColumns.NOTE_ID + "=old." + NoteColumns.ID + ";" +
" END";
" END";//删除 已经被删除的便签的数据
/**
* Delete notes belong to folder which has been deleted
@ -204,7 +191,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
" BEGIN" +
" DELETE FROM " + TABLE.NOTE +
" WHERE " + NoteColumns.PARENT_ID + "=old." + NoteColumns.ID + ";" +
" END";
" END";//删除 已删除folder文件夹 中的便签要修改的数据
/**
* Move notes belong to folder which has been moved to trash folder
@ -217,12 +204,12 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
" UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.PARENT_ID + "=" + Notes.ID_TRASH_FOLER +
" WHERE " + NoteColumns.PARENT_ID + "=old." + NoteColumns.ID + ";" +
" END";
" END";//移动trash_folder中的便签
public NotesDatabaseHelper(Context context) {
super(context, DB_NAME, null, DB_VERSION);
}
//构造函数
public void createNoteTable(SQLiteDatabase db) {
db.execSQL(CREATE_NOTE_TABLE_SQL);
reCreateNoteTableTriggers(db);
@ -246,48 +233,49 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
db.execSQL(NOTE_INCREASE_FOLDER_COUNT_ON_INSERT_TRIGGER);
db.execSQL(FOLDER_DELETE_NOTES_ON_DELETE_TRIGGER);
db.execSQL(FOLDER_MOVE_NOTES_ON_TRASH_TRIGGER);
}
/**
* @method createSystemFolder
* @description: 创建系统缺省文件夹：通话记录、缺省根目录、临时文件夹、回收文件夹
* @date: 2023/12/21 20:19
* @author: WuShuxian
* @param: db
* @return: void
*/
}//数据库操作的API，重新创建
private void createSystemFolder(SQLiteDatabase db) {
ContentValues values = new ContentValues();
//通话记录文件夹
/**
* call record foler for call notes
*/
values.put(NoteColumns.ID, Notes.ID_CALL_RECORD_FOLDER);
values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM);
db.insert(TABLE.NOTE, null, values);
//缺省根目录
/**
* root folder which is default folder
*/
values.clear();
values.put(NoteColumns.ID, Notes.ID_ROOT_FOLDER);
values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM);
db.insert(TABLE.NOTE, null, values);
//临时文件夹
/**
* temporary folder which is used for moving note
*/
values.clear();
values.put(NoteColumns.ID, Notes.ID_TEMPARAY_FOLDER);
values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM);
db.insert(TABLE.NOTE, null, values);
//回收站文件夹
/**
* create trash folder
*/
values.clear();
values.put(NoteColumns.ID, Notes.ID_TRASH_FOLER);
values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM);
db.insert(TABLE.NOTE, null, values);
}
}//创建系统文件夹
public void createDataTable(SQLiteDatabase db) {
db.execSQL(CREATE_DATA_TABLE_SQL);
reCreateDataTableTriggers(db);
db.execSQL(CREATE_DATA_NOTE_ID_INDEX_SQL);
Log.d(TAG, "data table has been created");
}
}//创建数据表格
private void reCreateDataTableTriggers(SQLiteDatabase db) {
db.execSQL("DROP TRIGGER IF EXISTS update_note_content_on_insert");
@ -297,45 +285,38 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
db.execSQL(DATA_UPDATE_NOTE_CONTENT_ON_INSERT_TRIGGER);
db.execSQL(DATA_UPDATE_NOTE_CONTENT_ON_UPDATE_TRIGGER);
db.execSQL(DATA_UPDATE_NOTE_CONTENT_ON_DELETE_TRIGGER);
}
}//类似于recreatenotetable，重新创建触发器
static synchronized NotesDatabaseHelper getInstance(Context context) {
if (mInstance == null) {
mInstance = new NotesDatabaseHelper(context);
}
return mInstance;
}
}//sync同步，同一时刻只有一个线程执行
@Override
public void onCreate(SQLiteDatabase db) {
createNoteTable(db);//属性数据库
createDataTable(db);//内容数据库
}
/**
* @method onUpgrade
* @description: 便签版本更新？没有使用者判断不了
* @date: 2023/12/21 20:42
* @author: WuShuxian
* @param:
* @return:
*/
createNoteTable(db);
createDataTable(db);
}//创建Note Data两个表格
@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
boolean reCreateTriggers = false;
boolean skipV2 = false;
//V1->V2
if (oldVersion == 1) {
upgradeToV2(db);
skipV2 = true; // this upgrade including the upgrade from v2 to v3
oldVersion++;
}
//V2->V3
if (oldVersion == 2 && !skipV2) {
upgradeToV3(db);
reCreateTriggers = true;
oldVersion++;
}
//V3->V4
if (oldVersion == 3) {
upgradeToV4(db);
oldVersion++;
@ -350,19 +331,15 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
throw new IllegalStateException("Upgrade notes database to version " + newVersion
+ "fails");
}
}
/**
* 升级到V2，修改相应数据库
*/
}//数据库版本更新
private void upgradeToV2(SQLiteDatabase db) {
db.execSQL("DROP TABLE IF EXISTS " + TABLE.NOTE);
db.execSQL("DROP TABLE IF EXISTS " + TABLE.DATA);
createNoteTable(db);
createDataTable(db);
}
/**
* 升级到V3，修改相应数据库
*/
}//更新到V2
private void upgradeToV3(SQLiteDatabase db) {
// drop unused triggers
db.execSQL("DROP TRIGGER IF EXISTS update_note_modified_date_on_insert");
@ -376,12 +353,10 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
values.put(NoteColumns.ID, Notes.ID_TRASH_FOLER);
values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM);
db.insert(TABLE.NOTE, null, values);
}
/**
* 升级到V4，修改相应数据库
*/
}//更新到V3
private void upgradeToV4(SQLiteDatabase db) {
db.execSQL("ALTER TABLE " + TABLE.NOTE + " ADD COLUMN " + NoteColumns.VERSION
+ " INTEGER NOT NULL DEFAULT 0");
}
}//更新到V4
}

131
src/main/java/net/micode/notes/data/NotesProvider.java
Unescape View File

@ -1,22 +1,5 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.micode.notes.data;
import android.app.SearchManager;
import android.content.ContentProvider;
import android.content.ContentUris;
@ -33,19 +16,15 @@ import net.micode.notes.R;
import net.micode.notes.data.Notes.DataColumns;
import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.data.NotesDatabaseHelper.TABLE;
/**
* @Package: net.micode.notes.data
* @ClassName: NotesProvider
* @Description: 为存储和获取数据提供接口。可以在不同的应用程序之间共享数据
* @Author: WuShuxian
* @CreateDate: 2023/12/21 20:50
* @Version: 1.0
*/
//为存储和获取数据提供接口。可以在不同的应用程序之间共享数据
//ContentProvider提供的方法
//query：查询
//insert：插入
//update：更新
//delete：删除
//getType：得到数据类型
public class NotesProvider extends ContentProvider {
/**
* UriMatcher用于匹配Uri
*/
// UriMatcher用于匹配Uri
private static final UriMatcher mMatcher;
private NotesDatabaseHelper mHelper;
@ -61,7 +40,9 @@ public class NotesProvider extends ContentProvider {
private static final int URI_SEARCH_SUGGEST = 6;
static {
// 创建UriMatcher时，调用UriMatcher(UriMatcher.NO_MATCH)表示不匹配任何路径的返回码
mMatcher = new UriMatcher(UriMatcher.NO_MATCH);
// 把需要匹配Uri路径全部给注册上
mMatcher.addURI(Notes.AUTHORITY, "note", URI_NOTE);
mMatcher.addURI(Notes.AUTHORITY, "note/#", URI_NOTE_ITEM);
mMatcher.addURI(Notes.AUTHORITY, "data", URI_DATA);
@ -72,44 +53,43 @@ public class NotesProvider extends ContentProvider {
}
/**
* 搜索字段
* x'0A' represents the '\n' character in sqlite. For title and content in the search result,
* we will trim '\n' and white space in order to show more information.
*/
// 声明 NOTES_SEARCH_PROJECTION
private static final String NOTES_SEARCH_PROJECTION = NoteColumns.ID + ","
+ NoteColumns.ID + " AS " + SearchManager.SUGGEST_COLUMN_INTENT_EXTRA_DATA + ","
+ "TRIM(REPLACE(" + NoteColumns.SNIPPET + ", x'0A','')) AS " + SearchManager.SUGGEST_COLUMN_TEXT_1 + ","
+ "TRIM(REPLACE(" + NoteColumns.SNIPPET + ", x'0A','')) AS " + SearchManager.SUGGEST_COLUMN_TEXT_2 + ","
+ R.drawable.search_result + " AS " + SearchManager.SUGGEST_COLUMN_ICON_1 + ","
+ "'" + Intent.ACTION_VIEW + "' AS " + SearchManager.SUGGEST_COLUMN_INTENT_ACTION + ","
+ "'" + Notes.TextNote.CONTENT_TYPE + "' AS " + SearchManager.SUGGEST_COLUMN_INTENT_DATA;
+ NoteColumns.ID + " AS " + SearchManager.SUGGEST_COLUMN_INTENT_EXTRA_DATA + ","
+ "TRIM(REPLACE(" + NoteColumns.SNIPPET + ", x'0A','')) AS " + SearchManager.SUGGEST_COLUMN_TEXT_1 + ","
+ "TRIM(REPLACE(" + NoteColumns.SNIPPET + ", x'0A','')) AS " + SearchManager.SUGGEST_COLUMN_TEXT_2 + ","
+ R.drawable.search_result + " AS " + SearchManager.SUGGEST_COLUMN_ICON_1 + ","
+ "'" + Intent.ACTION_VIEW + "' AS " + SearchManager.SUGGEST_COLUMN_INTENT_ACTION + ","
+ "'" + Notes.TextNote.CONTENT_TYPE + "' AS " + SearchManager.SUGGEST_COLUMN_INTENT_DATA;
// 声明NOTES_SNIPPET_SEARCH_QUERY
private static String NOTES_SNIPPET_SEARCH_QUERY = "SELECT " + NOTES_SEARCH_PROJECTION
+ " FROM " + TABLE.NOTE
+ " WHERE " + NoteColumns.SNIPPET + " LIKE ?"
+ " AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER
+ " AND " + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE;
+ " FROM " + TABLE.NOTE
+ " WHERE " + NoteColumns.SNIPPET + " LIKE ?"
+ " AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER
+ " AND " + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE;
@Override
// Context只有在onCreate()中才被初始化
// 对mHelper进行实例化
public boolean onCreate() {
mHelper = NotesDatabaseHelper.getInstance(getContext());
return true;
}
/**
* @Package: net.micode.notes.data
* @ClassName: NotesProvider
* @Description: 查询Uri在数据库中的位置
* @Author: WuShuxian
* @CreateDate: 2023/12/21 21:06
* @Version: 1.0
*/
@Override
// 查询uri在数据库中对应的位置
public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs,
String sortOrder) {
String sortOrder) {
Cursor c = null;
SQLiteDatabase db = mHelper.getReadableDatabase();//读数据库
// 获取可读数据库
SQLiteDatabase db = mHelper.getReadableDatabase();
String id = null;
// 匹配查找uri
switch (mMatcher.match(uri)) {
// 对于不同的匹配值，在数据库中查找相应的条目
case URI_NOTE:
c = db.query(TABLE.NOTE, projection, selection, selectionArgs, null, null,
sortOrder);
@ -131,6 +111,7 @@ public class NotesProvider extends ContentProvider {
case URI_SEARCH:
case URI_SEARCH_SUGGEST:
if (sortOrder != null || projection != null) {
// 不合法的参数异常
throw new IllegalArgumentException(
"do not specify sortOrder, selection, selectionArgs, or projection" + "with this query");
}
@ -138,6 +119,8 @@ public class NotesProvider extends ContentProvider {
String searchString = null;
if (mMatcher.match(uri) == URI_SEARCH_SUGGEST) {
if (uri.getPathSegments().size() > 1) {
// getPathSegments()方法得到一个String的List，
// 在uri.getPathSegments().get(1)为第2个元素
searchString = uri.getPathSegments().get(1);
}
} else {
@ -149,7 +132,7 @@ public class NotesProvider extends ContentProvider {
}
try {
searchString = String.format("%%%s%%", searchString);//在新建便签并输入内容保存后会跳到这里，暂时不知道为什么
searchString = String.format("%%%s%%", searchString);
c = db.rawQuery(NOTES_SNIPPET_SEARCH_QUERY,
new String[] { searchString });
} catch (IllegalStateException ex) {
@ -157,6 +140,7 @@ public class NotesProvider extends ContentProvider {
}
break;
default:
// 抛出异常
throw new IllegalArgumentException("Unknown URI " + uri);
}
if (c != null) {
@ -165,22 +149,18 @@ public class NotesProvider extends ContentProvider {
return c;
}
/**
* @method insert
* @description: 插入一个Uri，只有新建便签并保存后才会触发，修改内容不会触发
* @date: 2023/12/21 21:16
* @author: WuShuxian
* @param:
* @return:
*/
@Override
// 插入一个uri
public Uri insert(Uri uri, ContentValues values) {
// 获得可写的数据库
SQLiteDatabase db = mHelper.getWritableDatabase();
long dataId = 0, noteId = 0, insertedId = 0;
switch (mMatcher.match(uri)) {
// 新增一个条目
case URI_NOTE:
insertedId = noteId = db.insert(TABLE.NOTE, null, values);
break;
// 如果存在，查找NOTE_ID
case URI_DATA:
if (values.containsKey(DataColumns.NOTE_ID)) {
noteId = values.getAsLong(DataColumns.NOTE_ID);
@ -193,6 +173,7 @@ public class NotesProvider extends ContentProvider {
throw new IllegalArgumentException("Unknown URI " + uri);
}
// Notify the note uri
// notifyChange获得一个ContextResolver对象并且更新里面的内容
if (noteId > 0) {
getContext().getContentResolver().notifyChange(
ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), null);
@ -204,20 +185,17 @@ public class NotesProvider extends ContentProvider {
ContentUris.withAppendedId(Notes.CONTENT_DATA_URI, dataId), null);
}
// 返回插入的uri的路径
return ContentUris.withAppendedId(uri, insertedId);
}
/**
* @method delete
* @description: 删除一个Uri，删除便签时会触发
* @date: 2023/12/21 21:17
* @author: WuShuxian
* @param:
* @return:
*/
@Override
// 删除一个uri
public int delete(Uri uri, String selection, String[] selectionArgs) {
//Uri代表要操作的数据，Android上可用的每种资源 -包括 图像、视频片段、音频资源等都可以用Uri来表示。
int count = 0;
String id = null;
// 获得可写的数据库
SQLiteDatabase db = mHelper.getWritableDatabase();
boolean deleteData = false;
switch (mMatcher.match(uri)) {
@ -226,7 +204,7 @@ public class NotesProvider extends ContentProvider {
count = db.delete(TABLE.NOTE, selection, selectionArgs);
break;
case URI_NOTE_ITEM:
id = uri.getPathSegments().get(1);//修改便签内容时会触发，原因不明
id = uri.getPathSegments().get(1);
/**
* ID that smaller than 0 is system folder which is not allowed to
* trash
@ -259,15 +237,9 @@ public class NotesProvider extends ContentProvider {
}
return count;
}
/**
* @method update
* @description: 更新Uri，修改便签时会触发。期间会跳到delete中执行，原因不明
* @date: 2023/12/21 21:19
* @author: WuShuxian
* @param:
* @return:
*/
@Override
// 更新一个uri
public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) {
int count = 0;
String id = null;
@ -307,10 +279,12 @@ public class NotesProvider extends ContentProvider {
return count;
}
// 将字符串解析成规定格式
private String parseSelection(String selection) {
return (!TextUtils.isEmpty(selection) ? " AND (" + selection + ')' : "");
}
//增加一个noteVersion
private void increaseNoteVersion(long id, String selection, String[] selectionArgs) {
StringBuilder sql = new StringBuilder(120);
sql.append("UPDATE ");
@ -333,6 +307,7 @@ public class NotesProvider extends ContentProvider {
sql.append(selectString);
}
// execSQL()方法可以执行insert、delete、update和CREATE TABLE之类有更改行为的SQL语句
mHelper.getWritableDatabase().execSQL(sql.toString());
}
@ -342,4 +317,4 @@ public class NotesProvider extends ContentProvider {
return null;
}
}
}

138
src/main/java/net/micode/notes/ui/AlarmAlertActivity.java
Unescape View File

@ -46,23 +46,21 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// 设置界面显示——无标题
requestWindowFeature(Window.FEATURE_NO_TITLE);
requestWindowFeature(Window.FEATURE_NO_TITLE);//设置界面显示——无标题
final Window win = getWindow();
// 设置窗体属性——在锁屏时显示
win.addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
win.addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);//设置窗体属性——在锁屏时显示
if (!isScreenOn()) {
// 设置窗体属性——保持点亮、点亮屏幕、允许点亮时解锁
win.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON
win.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON//保持点亮、点亮屏幕、允许点亮时解锁
| WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON
| WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON
| WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR);
}
// 获取传递的 Intent
Intent intent = getIntent();
Intent intent = getIntent();//获取传递的 Intent
try {
// 从 Intent 中获取数据并处理——获取标签 ID
@ -80,24 +78,33 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD
mPlayer = new MediaPlayer();
if (DataUtils.visibleInNoteDatabase(getContentResolver(), mNoteId, Notes.TYPE_NOTE)) {
// 显示对话框
showActionDialog();
// 播放闹钟提示音
playAlarmSound();
showActionDialog();// 显示对话框
playAlarmSound();// 播放闹钟提示音
} else {
// 结束当前 Activity
finish();
finish();// 结束当前 Activity
}
}
/**
* @method isScreenOn
* @description
* 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
* @date: 12/23/2023 11:21 PM
* @author: YangYizhe
* @param
* @return
*/
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();
}
/**
* @method playAlarmSound
* @description
* 播放闹钟提示音
* @date: 12/23/2023 11:21 PM
* @author: YangYizhe
*/
private void playAlarmSound() {
//闹钟提示音激发
Uri url = RingtoneManager.getActualDefaultRingtoneUri(this, RingtoneManager.TYPE_ALARM);
//调用系统的铃声管理URI，得到闹钟提示音
int silentModeStreams = Settings.System.getInt(getContentResolver(),
@ -110,19 +117,12 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD
}
try {
mPlayer.setDataSource(this, url);
//方法：setDataSource(Context context, Uri uri)
//解释：无返回值，设置多媒体数据来源【根据 Uri】
mPlayer.prepare();
//准备同步
mPlayer.setLooping(true);
//设置是否循环播放
mPlayer.start();
//开始播放
mPlayer.setLooping(true);//设置是否循环播放
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
//System.out.println(e)，这个方法打印出异常，并且输出在哪里出现的异常
} catch (SecurityException e) {
// TODO Auto-generated catch block
e.printStackTrace();
@ -134,61 +134,67 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD
e.printStackTrace();
}
}
/**
* @method showActionDialog
* @description
* 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
* @date: 12/23/2023 11:28 PM
* @author: YangYizhe
*/
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
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.setNegativeButton(R.string.notealert_enter, this);//对话框添加"No"按钮
}
dialog.show().setOnDismissListener(this);
}
/**
* @method onClick
* @description 处理点击事件
* @date: 12/23/2023 11:27 PM
* @author: YangYizhe
* @param dialog
* @param which
*/
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
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;
}
}
/**
* @method onDismiss
* @description 忽略
* @date: 12/23/2023 11:25 PM
* @author: YangYizhe
* @param dialog
*/
public void onDismiss(DialogInterface dialog) {
//忽略
stopAlarmSound();
//停止闹钟声音
stopAlarmSound();//停止闹钟声音
finish();
//完成该动作
}
/**
* @method stopAlarmSound
* @description 停止闹钟的声音
* @date: 12/23/2023 11:26 PM
* @author: YangYizhe
*/
private void stopAlarmSound() {
if (mPlayer != null) {
mPlayer.stop();
//停止播放
mPlayer.release();
//释放MediaPlayer对象
mPlayer.stop();//停止播放
mPlayer.release();//释放MediaPlayer对象
mPlayer = null;
}
}

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