李泽承 2 years ago
commit 3478705412

@ -17,6 +17,7 @@
package net.micode.notes.data;
import android.content.Context;
import android.database.Cursor;
import android.provider.ContactsContract.CommonDataKinds.Phone;
import android.provider.ContactsContract.Data;
@ -24,29 +25,35 @@ import android.telephony.PhoneNumberUtils;
import android.util.Log;
import java.util.HashMap;
public class Contact {
//change
public class Contact { //联系人
private static HashMap<String, String> sContactCache;
private static final String TAG = "Contact";
private static final String CALLER_ID_SELECTION = "PHONE_NUMBERS_EQUAL(" + Phone.NUMBER
// 定义字符串CALLER_ID_SELECTION
private static final String CALLER_ID_SELECTION = "PHONE_NUMBERS_EQUAL("
+ Phone.NUMBER
+ ",?) AND " + Data.MIMETYPE + "='" + Phone.CONTENT_ITEM_TYPE + "'"
+ " AND " + Data.RAW_CONTACT_ID + " IN "
+ "(SELECT raw_contact_id "
+ " FROM phone_lookup"
+ " WHERE min_match = '+')";
// 获取联系人
public static String getContact(Context context, String phoneNumber) {
if(sContactCache == null) {
sContactCache = new HashMap<String, String>();
}
// 查找HashMap中是否已有phoneNumber信息
if(sContactCache.containsKey(phoneNumber)) {
return sContactCache.get(phoneNumber);
}
String selection = CALLER_ID_SELECTION.replace("+",
PhoneNumberUtils.toCallerIDMinMatch(phoneNumber));
// 查找数据库中phoneNumber的信息
Cursor cursor = context.getContentResolver().query(
Data.CONTENT_URI,
new String [] { Phone.DISPLAY_NAME },
@ -54,17 +61,22 @@ public class Contact {
new String[] { phoneNumber },
null);
// 判定查询结果
// moveToFirst()返回第一条
if (cursor != null && cursor.moveToFirst()) {
try {
// 找到相关信息
String name = cursor.getString(0);
sContactCache.put(phoneNumber, name);
return name;
// 异常
} catch (IndexOutOfBoundsException e) {
Log.e(TAG, " Cursor get string error " + e.toString());
return null;
} finally {
cursor.close();
}
// 未找到相关信息
} else {
Log.d(TAG, "No contact matched with number:" + phoneNumber);
return null;

@ -16,10 +16,14 @@
package net.micode.notes.data;
import android.content.ContentUris;
import android.net.Uri;
// Notes 类中定义了很多常量这些常量大多是int型和string型
public class Notes {
public static final String AUTHORITY = "micode_notes";
public static final String TAG = "Notes";
//以下三个常量对NoteColumns.TYPE的值进行设置时会用到
public static final int TYPE_NOTE = 0;
public static final int TYPE_FOLDER = 1;
public static final int TYPE_SYSTEM = 2;
@ -35,12 +39,24 @@ public class Notes {
public static final int ID_CALL_RECORD_FOLDER = -2;
public static final int ID_TRASH_FOLER = -3;
public static final String INTENT_EXTRA_ALERT_DATE = "net.micode.notes.alert_date";
public static final String INTENT_EXTRA_BACKGROUND_ID = "net.micode.notes.background_color_id";
public static final String INTENT_EXTRA_WIDGET_ID = "net.micode.notes.widget_id";
public static final String INTENT_EXTRA_WIDGET_TYPE = "net.micode.notes.widget_type";
public static final String INTENT_EXTRA_FOLDER_ID = "net.micode.notes.folder_id";
public static final String INTENT_EXTRA_CALL_DATE = "net.micode.notes.call_date";
public static final String INTENT_EXTRA_ALERT_DATE =
"net.micode.notes.alert_date";
public static final String INTENT_EXTRA_BACKGROUND_ID =
"net.micode.notes.background_color_id";
public static final String INTENT_EXTRA_WIDGET_ID =
"net.micode.notes.widget_id";
public static final String INTENT_EXTRA_WIDGET_TYPE =
"net.micode.notes.widget_type";
public static final String INTENT_EXTRA_FOLDER_ID =
"net.micode.notes.folder_id";
public static final String INTENT_EXTRA_CALL_DATE =
"net.micode.notes.call_date";
public static final int TYPE_WIDGET_INVALIDE = -1;
public static final int TYPE_WIDGET_2X = 0;
@ -54,13 +70,20 @@ public class Notes {
/**
* Uri to query all notes and folders
*/
public static final Uri CONTENT_NOTE_URI = Uri.parse("content://" + AUTHORITY + "/note");
public static final Uri CONTENT_NOTE_URI = Uri.parse("content://" +
AUTHORITY + "/note");//定义查询便签和文件夹的指针。
// public static final Uri my_URI = ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI , 10);
/**
* 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");//定义查找数据的指针。
// 定义NoteColumns的常量,用于后面创建数据库的表头
public interface NoteColumns {
/**
* The unique ID for a row
@ -72,7 +95,7 @@ public class Notes {
* The parent's id for note or folder
* <P> Type: INTEGER (long) </P>
*/
public static final String PARENT_ID = "parent_id";
public static final String PARENT_ID = "parent_id";//为什么会有parent_id
/**
* Created data for note or folder
@ -140,7 +163,7 @@ public class Notes {
* The last sync id
* <P> Type: INTEGER (long) </P>
*/
public static final String SYNC_ID = "sync_id";
public static final String SYNC_ID = "sync_id";//同步
/**
* Sign to indicate local modified or not
@ -165,8 +188,9 @@ public class Notes {
* <P> Type : INTEGER (long) </P>
*/
public static final String VERSION = "version";
}
}//这些常量主要是定义便签的属性的。
// 定义DataColumns的常量,用于后面创建数据库的表头
public interface DataColumns {
/**
* The unique ID for a row
@ -206,41 +230,45 @@ public class Notes {
/**
* Generic data column, the meaning is {@link #MIMETYPE} specific, used for
* 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
* 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
* 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
* 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
* Generic data column, the meaning is {@link #MIMETYPE} specific,
used for
* TEXT data type
* <P> Type: TEXT </P>
*/
public static final String DATA5 = "data5";
}
}//主要是定义存储便签内容数据的
public static final class TextNote implements DataColumns {
/**
* Mode to indicate the text in check list mode or not
@ -250,12 +278,18 @@ public class Notes {
public static final int MODE_CHECK_LIST = 1;
public static final String CONTENT_TYPE = "vnd.android.cursor.dir/text_note";
public static final String CONTENT_TYPE =
public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/text_note";
"vnd.android.cursor.dir/text_note";
public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/text_note");
}
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");
}//文本内容的数据结构
public static final class CallNote implements DataColumns {
/**
@ -270,10 +304,16 @@ public class Notes {
*/
public static final String PHONE_NUMBER = DATA3;
public static final String CONTENT_TYPE = "vnd.android.cursor.dir/call_note";
public static final String CONTENT_TYPE =
public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/call_note";
"vnd.android.cursor.dir/call_note";
public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/call_note");
}
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");
}//电话内容的数据结构
}

@ -16,23 +16,23 @@
package net.micode.notes.data;
import android.content.ContentValues;
import android.content.Context;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;
import android.content.ContentValues;//就是用于保存一些数据string boolean byte double float int long short ...)信息,这些信息可以被数据库操作时使用。
import android.content.Context;//加载和访问资源。android中主要是这两个功能但是这里具体不清楚
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.util.Log;
import net.micode.notes.data.Notes.DataColumns;
import net.micode.notes.data.Notes.DataConstants;
import net.micode.notes.data.Notes.NoteColumns;
//数据库操作用SQLOpenhelper,对一些note和文件进行数据库的操作比如删除文件后将文件里的note也相应删除
public class NotesDatabaseHelper extends SQLiteOpenHelper {
private static final String DB_NAME = "note.db";
private static final int DB_VERSION = 4;
public interface TABLE {
public interface TABLE { //接口分成note和data在后面的程序里分别使用过
public static final String NOTE = "note";
public static final String DATA = "data";
@ -61,7 +61,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
NoteColumns.ORIGIN_PARENT_ID + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.GTASK_ID + " TEXT NOT NULL DEFAULT ''," +
NoteColumns.VERSION + " INTEGER NOT NULL DEFAULT 0" +
")";
")";//数据库中需要存储的项目的名称,就相当于创建一个表格的表头的内容。
private static final String CREATE_DATA_TABLE_SQL =
"CREATE TABLE " + TABLE.DATA + "(" +
@ -76,11 +76,11 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
DataColumns.DATA3 + " TEXT NOT NULL DEFAULT ''," +
DataColumns.DATA4 + " TEXT NOT NULL DEFAULT ''," +
DataColumns.DATA5 + " TEXT NOT NULL DEFAULT ''" +
")";
")";//和上面的功能一样,主要是存储的项目不同
private static final String CREATE_DATA_NOTE_ID_INDEX_SQL =
"CREATE INDEX IF NOT EXISTS note_id_index ON " +
TABLE.DATA + "(" + DataColumns.NOTE_ID + ");";
TABLE.DATA + "(" + DataColumns.NOTE_ID + ");";//存储便签编号的一个数据表格
/**
* Increase folder's note count when move note to the folder
@ -92,7 +92,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
" UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + " + 1" +
" WHERE " + NoteColumns.ID + "=new." + NoteColumns.PARENT_ID + ";" +
" END";
" END";//在文件夹中移入一个Note之后需要更改的数据的表格。
/**
* Decrease folder's note count when move note from folder
@ -105,7 +105,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
" SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + "-1" +
" WHERE " + NoteColumns.ID + "=old." + NoteColumns.PARENT_ID +
" AND " + NoteColumns.NOTES_COUNT + ">0" + ";" +
" END";
" END";//在文件夹中移出一个Note之后需要更改的数据的表格。
/**
* Increase folder's note count when insert new note to the folder
@ -117,7 +117,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
" UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + " + 1" +
" WHERE " + NoteColumns.ID + "=new." + NoteColumns.PARENT_ID + ";" +
" END";
" END";//在文件夹中插入一个Note之后需要更改的数据的表格。
/**
* Decrease folder's note count when delete note from the folder
@ -130,7 +130,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
" SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + "-1" +
" WHERE " + NoteColumns.ID + "=old." + NoteColumns.PARENT_ID +
" AND " + NoteColumns.NOTES_COUNT + ">0;" +
" END";
" END";//在文件夹中删除一个Note之后需要更改的数据的表格。
/**
* Update note's content when insert data with type {@link DataConstants#NOTE}
@ -143,7 +143,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
" UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.SNIPPET + "=new." + DataColumns.CONTENT +
" WHERE " + NoteColumns.ID + "=new." + DataColumns.NOTE_ID + ";" +
" END";
" END";//在文件夹中对一个Note导入新的数据之后需要更改的数据的表格。
/**
* Update note's content when data with {@link DataConstants#NOTE} type has changed
@ -156,7 +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数据被修改后需要更改的数据的表格。
/**
* Update note's content when data with {@link DataConstants#NOTE} type has deleted
@ -169,7 +169,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
" UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.SNIPPET + "=''" +
" WHERE " + NoteColumns.ID + "=old." + DataColumns.NOTE_ID + ";" +
" END";
" END";//Note数据被删除后需要更改的数据的表格。
/**
* Delete datas belong to note which has been deleted
@ -180,7 +180,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
" BEGIN" +
" DELETE FROM " + TABLE.DATA +
" WHERE " + DataColumns.NOTE_ID + "=old." + NoteColumns.ID + ";" +
" END";
" END";//删除已删除的便签的数据后需要更改的数据的表格。
/**
* Delete notes belong to folder which has been deleted
@ -191,7 +191,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
" BEGIN" +
" DELETE FROM " + TABLE.NOTE +
" WHERE " + NoteColumns.PARENT_ID + "=old." + NoteColumns.ID + ";" +
" END";
" END";//删除已删除的文件夹的便签后需要更改的数据的表格。
/**
* Move notes belong to folder which has been moved to trash folder
@ -204,18 +204,18 @@ 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";//还原垃圾桶中便签后需要更改的数据的表格。
public NotesDatabaseHelper(Context context) {
super(context, DB_NAME, null, DB_VERSION);
}
}//构造函数,传入数据库的名称和版本
public void createNoteTable(SQLiteDatabase db) {
db.execSQL(CREATE_NOTE_TABLE_SQL);
reCreateNoteTableTriggers(db);
createSystemFolder(db);
Log.d(TAG, "note table has been created");
}
}//创建表格(用来存储标签属性)
private void reCreateNoteTableTriggers(SQLiteDatabase db) {
db.execSQL("DROP TRIGGER IF EXISTS increase_folder_count_on_update");
@ -233,7 +233,8 @@ 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);
}
}//execSQL是数据库操作的API主要是更改行为的SQL语句。
//在这里主要是用来重新创建上述定义的表格用的,先删除原来有的数据库的触发器再重新创建新的数据库
private void createSystemFolder(SQLiteDatabase db) {
ContentValues values = new ContentValues();
@ -268,14 +269,14 @@ 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);
}
}//创建几个系统文件夹
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");
}
}//创建表格(用来存储标签内容)
private void reCreateDataTableTriggers(SQLiteDatabase db) {
db.execSQL("DROP TRIGGER IF EXISTS update_note_content_on_insert");
@ -285,20 +286,22 @@ 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);
}
}//同上面的execSQL
static synchronized NotesDatabaseHelper getInstance(Context context) {
if (mInstance == null) {
mInstance = new NotesDatabaseHelper(context);
}
return mInstance;
}
}//上网查是为解决同一时刻只能有一个线程执行.
//在写程序库代码时,有时有一个类需要被所有的其它类使用,
//但又要求这个类只能被实例化一次,是个服务类,定义一次,其它类使用同一个这个类的实例
@Override
public void onCreate(SQLiteDatabase db) {
createNoteTable(db);
createDataTable(db);
}
}//实现两个表格(上面创建的两个表格)
@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
@ -331,14 +334,14 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
throw new IllegalStateException("Upgrade notes database to version " + newVersion
+ "fails");
}
}
}//数据库版本的更新(数据库内容的更改)
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);
}
}//更新到V2版本
private void upgradeToV3(SQLiteDatabase db) {
// drop unused triggers
@ -353,10 +356,10 @@ 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);
}
}//更新到V3版本
private void upgradeToV4(SQLiteDatabase db) {
db.execSQL("ALTER TABLE " + TABLE.NOTE + " ADD COLUMN " + NoteColumns.VERSION
+ " INTEGER NOT NULL DEFAULT 0");
}
}//更新到V4版本
}

@ -16,7 +16,6 @@
package net.micode.notes.data;
import android.app.SearchManager;
import android.content.ContentProvider;
import android.content.ContentUris;
@ -33,9 +32,15 @@ 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;
//为存储和获取数据提供接口。可以在不同的应用程序之间共享数据
//ContentProvider提供的方法
//query查询
//insert插入
//update更新
//delete删除
//getType得到数据类型
public class NotesProvider extends ContentProvider {
// UriMatcher用于匹配Uri
private static final UriMatcher mMatcher;
private NotesDatabaseHelper mHelper;
@ -51,7 +56,9 @@ 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);
@ -65,6 +72,7 @@ public class NotesProvider extends ContentProvider {
* x'0A' represents the '\n' character in sqlite. For title and content in the search result,
* we will trim '\n' and white space in order to show more information.
*/
// 声明 NOTES_SEARCH_PROJECTION
private static final String NOTES_SEARCH_PROJECTION = NoteColumns.ID + ","
+ NoteColumns.ID + " AS " + SearchManager.SUGGEST_COLUMN_INTENT_EXTRA_DATA + ","
+ "TRIM(REPLACE(" + NoteColumns.SNIPPET + ", x'0A','')) AS " + SearchManager.SUGGEST_COLUMN_TEXT_1 + ","
@ -72,7 +80,7 @@ public class NotesProvider extends ContentProvider {
+ R.drawable.search_result + " AS " + SearchManager.SUGGEST_COLUMN_ICON_1 + ","
+ "'" + Intent.ACTION_VIEW + "' AS " + SearchManager.SUGGEST_COLUMN_INTENT_ACTION + ","
+ "'" + Notes.TextNote.CONTENT_TYPE + "' AS " + SearchManager.SUGGEST_COLUMN_INTENT_DATA;
// 声明NOTES_SNIPPET_SEARCH_QUERY
private static String NOTES_SNIPPET_SEARCH_QUERY = "SELECT " + NOTES_SEARCH_PROJECTION
+ " FROM " + TABLE.NOTE
+ " WHERE " + NoteColumns.SNIPPET + " LIKE ?"
@ -80,18 +88,24 @@ public class NotesProvider extends ContentProvider {
+ " AND " + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE;
@Override
// Context只有在onCreate()中才被初始化
// 对mHelper进行实例化
public boolean onCreate() {
mHelper = NotesDatabaseHelper.getInstance(getContext());
return true;
}
@Override
// 查询uri在数据库中对应的位置
public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs,
String sortOrder) {
Cursor c = null;
// 获取可读数据库
SQLiteDatabase db = mHelper.getReadableDatabase();
String id = null;
// 匹配查找uri
switch (mMatcher.match(uri)) {
// 对于不同的匹配值,在数据库中查找相应的条目
case URI_NOTE:
c = db.query(TABLE.NOTE, projection, selection, selectionArgs, null, null,
sortOrder);
@ -113,6 +127,7 @@ public class NotesProvider extends ContentProvider {
case URI_SEARCH:
case URI_SEARCH_SUGGEST:
if (sortOrder != null || projection != null) {
// 不合法的参数异常
throw new IllegalArgumentException(
"do not specify sortOrder, selection, selectionArgs, or projection" + "with this query");
}
@ -120,6 +135,8 @@ public class NotesProvider extends ContentProvider {
String searchString = null;
if (mMatcher.match(uri) == URI_SEARCH_SUGGEST) {
if (uri.getPathSegments().size() > 1) {
// getPathSegments()方法得到一个String的List
// 在uri.getPathSegments().get(1)为第2个元素
searchString = uri.getPathSegments().get(1);
}
} else {
@ -139,6 +156,7 @@ public class NotesProvider extends ContentProvider {
}
break;
default:
// 抛出异常
throw new IllegalArgumentException("Unknown URI " + uri);
}
if (c != null) {
@ -148,13 +166,17 @@ public class NotesProvider extends ContentProvider {
}
@Override
// 插入一个uri
public Uri insert(Uri uri, ContentValues values) {
// 获得可写的数据库
SQLiteDatabase db = mHelper.getWritableDatabase();
long dataId = 0, noteId = 0, insertedId = 0;
switch (mMatcher.match(uri)) {
// 新增一个条目
case URI_NOTE:
insertedId = noteId = db.insert(TABLE.NOTE, null, values);
break;
// 如果存在查找NOTE_ID
case URI_DATA:
if (values.containsKey(DataColumns.NOTE_ID)) {
noteId = values.getAsLong(DataColumns.NOTE_ID);
@ -167,6 +189,7 @@ 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);
@ -178,13 +201,17 @@ 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);
}
@Override
// 删除一个uri
public int delete(Uri uri, String selection, String[] selectionArgs) {
//Uri代表要操作的数据Android上可用的每种资源 -包括 图像、视频片段、音频资源等都可以用Uri来表示。
int count = 0;
String id = null;
// 获得可写的数据库
SQLiteDatabase db = mHelper.getWritableDatabase();
boolean deleteData = false;
switch (mMatcher.match(uri)) {
@ -228,6 +255,7 @@ public class NotesProvider extends ContentProvider {
}
@Override
// 更新一个uri
public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) {
int count = 0;
String id = null;
@ -267,10 +295,12 @@ 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 ");
@ -293,6 +323,7 @@ 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());
}

@ -42,7 +42,11 @@ public class BackupUtils {
private static BackupUtils sInstance;
public static synchronized BackupUtils getInstance(Context context) {
//ynchronized 关键字,代表这个方法加锁,相当于不管哪一个线程例如线程A
//运行到这个方法时,都要检查有没有其它线程B或者C、 D等正在用这个方法(或者该类的其他同步方法)有的话要等正在使用synchronized方法的线程B或者C 、D运行完这个方法后再运行此线程A,没有的话,锁定调用者,然后直接运行。
//它包括两种用法synchronized 方法和 synchronized 块。
if (sInstance == null) {
//如果当前备份不存在,则新声明一个
sInstance = new BackupUtils(context);
}
return sInstance;
@ -52,24 +56,24 @@ public class BackupUtils {
* Following states are signs to represents backup or restore
* status
*/
// Currently, the sdcard is not mounted
// Currently, the sdcard is not mounted SD卡没有被装入手机
public static final int STATE_SD_CARD_UNMOUONTED = 0;
// The backup file not exist
// The backup file not exist 备份文件夹不存在
public static final int STATE_BACKUP_FILE_NOT_EXIST = 1;
// The data is not well formated, may be changed by other programs
// The data is not well formated, may be changed by other programs 数据已被破坏,可能被修改
public static final int STATE_DATA_DESTROIED = 2;
// Some run-time exception which causes restore or backup fails
// Some run-time exception which causes restore or backup fails 超时异常
public static final int STATE_SYSTEM_ERROR = 3;
// Backup or restore success
// Backup or restore success 成功存储
public static final int STATE_SUCCESS = 4;
private TextExport mTextExport;
private BackupUtils(Context context) {
private BackupUtils(Context context) { //初始化函数
mTextExport = new TextExport(context);
}
private static boolean externalStorageAvailable() {
private static boolean externalStorageAvailable() { //外部存储功能是否可用
return Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState());
}
@ -128,11 +132,11 @@ public class BackupUtils {
public TextExport(Context context) {
TEXT_FORMAT = context.getResources().getStringArray(R.array.format_for_exported_note);
mContext = context;
mFileName = "";
mFileName = ""; //为什么为空?
mFileDirectory = "";
}
private String getFormat(int id) {
private String getFormat(int id) { //获取文本的组成部分
return TEXT_FORMAT[id];
}
@ -140,7 +144,7 @@ public class BackupUtils {
* Export the folder identified by folder id to text
*/
private void exportFolderToText(String folderId, PrintStream ps) {
// Query notes belong to this folder
// Query notes belong to this folder 通过查询parent id是文件夹id的note来选出制定ID文件夹下的Note
Cursor notesCursor = mContext.getContentResolver().query(Notes.CONTENT_NOTE_URI,
NOTE_PROJECTION, NoteColumns.PARENT_ID + "=?", new String[] {
folderId
@ -149,13 +153,13 @@ public class BackupUtils {
if (notesCursor != null) {
if (notesCursor.moveToFirst()) {
do {
// Print note's last modified date
// Print note's last modified date ps里面保存有这份note的日期
ps.println(String.format(getFormat(FORMAT_NOTE_DATE), DateFormat.format(
mContext.getString(R.string.format_datetime_mdhm),
notesCursor.getLong(NOTE_COLUMN_MODIFIED_DATE))));
// Query data belong to this note
String noteId = notesCursor.getString(NOTE_COLUMN_ID);
exportNoteToText(noteId, ps);
exportNoteToText(noteId, ps); //将文件导出到text
} while (notesCursor.moveToNext());
}
notesCursor.close();
@ -171,7 +175,7 @@ public class BackupUtils {
noteId
}, null);
if (dataCursor != null) {
if (dataCursor != null) { //利用光标来扫描内容区别为callnote和note两种靠ps.printline输出
if (dataCursor.moveToFirst()) {
do {
String mimeType = dataCursor.getString(DATA_COLUMN_MIME_TYPE);
@ -181,7 +185,7 @@ public class BackupUtils {
long callDate = dataCursor.getLong(DATA_COLUMN_CALL_DATE);
String location = dataCursor.getString(DATA_COLUMN_CONTENT);
if (!TextUtils.isEmpty(phoneNumber)) {
if (!TextUtils.isEmpty(phoneNumber)) { //判断是否为空字符
ps.println(String.format(getFormat(FORMAT_NOTE_CONTENT),
phoneNumber));
}
@ -218,7 +222,7 @@ public class BackupUtils {
/**
* Note will be exported as text which is user readable
*/
public int exportToText() {
public int exportToText() { //总函数调用上面的exportFolder和exportNote
if (!externalStorageAvailable()) {
Log.d(TAG, "Media was not mounted");
return STATE_SD_CARD_UNMOUONTED;
@ -229,7 +233,7 @@ public class BackupUtils {
Log.e(TAG, "get print stream error");
return STATE_SYSTEM_ERROR;
}
// First export folder and its notes
// First export folder and its notes 导出文件夹,就是导出里面包含的便签
Cursor folderCursor = mContext.getContentResolver().query(
Notes.CONTENT_NOTE_URI,
NOTE_PROJECTION,
@ -257,7 +261,7 @@ public class BackupUtils {
folderCursor.close();
}
// Export notes in root's folder
// Export notes in root's folder 将根目录里的便签导出(由于不属于任何文件夹,因此无法通过文件夹导出来实现这一部分便签的导出)
Cursor noteCursor = mContext.getContentResolver().query(
Notes.CONTENT_NOTE_URI,
NOTE_PROJECTION,
@ -297,7 +301,7 @@ public class BackupUtils {
PrintStream ps = null;
try {
FileOutputStream fos = new FileOutputStream(file);
ps = new PrintStream(fos);
ps = new PrintStream(fos); //将ps输出流输出到特定的文件目的就是导出到文件而不是直接输出
} catch (FileNotFoundException e) {
e.printStackTrace();
return null;
@ -314,16 +318,16 @@ public class BackupUtils {
*/
private static File generateFileMountedOnSDcard(Context context, int filePathResId, int fileNameFormatResId) {
StringBuilder sb = new StringBuilder();
sb.append(Environment.getExternalStorageDirectory());
sb.append(context.getString(filePathResId));
File filedir = new File(sb.toString());
sb.append(Environment.getExternalStorageDirectory()); //外部SD卡的存储路径
sb.append(context.getString(filePathResId)); //文件的存储路径
File filedir = new File(sb.toString()); //filedir应该就是用来存储路径信息
sb.append(context.getString(
fileNameFormatResId,
DateFormat.format(context.getString(R.string.format_date_ymd),
System.currentTimeMillis())));
File file = new File(sb.toString());
try {
try { //如果这些文件不存在,则新建
if (!filedir.exists()) {
filedir.mkdir();
}
@ -336,9 +340,8 @@ public class BackupUtils {
} catch (IOException e) {
e.printStackTrace();
}
// try catch 异常处理
return null;
}
}

@ -35,9 +35,11 @@ import java.util.ArrayList;
import java.util.HashSet;
package net.micode.notes.tool;
public class DataUtils {
public static final String TAG = "DataUtils";
public static boolean batchDeleteNotes(ContentResolver resolver, HashSet<Long> ids) {
public static boolean batchDeleteNotes(ContentResolver resolver, HashSet<Long> ids) { //直接删除多个笔记
if (ids == null) {
Log.d(TAG, "the ids is null");
return true;
@ -47,18 +49,19 @@ public class DataUtils {
return true;
}
ArrayList<ContentProviderOperation> operationList = new ArrayList<ContentProviderOperation>();
ArrayList<ContentProviderOperation> operationList = new ArrayList<ContentProviderOperation>(); //提供一个任务列表
for (long id : ids) {
if(id == Notes.ID_ROOT_FOLDER) {
Log.e(TAG, "Don't delete system folder root");
continue;
}
} //如果发现是根文件夹,则不删除
ContentProviderOperation.Builder builder = ContentProviderOperation
.newDelete(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id));
operationList.add(builder.build());
.newDelete(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id)); //用newDelete实现删除功能
operationList.add(builder.build()); //
}
try {
ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList);
ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList);//主机名或叫Authority用于唯一标识这个ContentProvider外部调用者可以根据这个标识来找到它。
//数据库事务,数据库事务是由一组数据库操作序列组成,事务作为一个整体被执行
if (results == null || results.length == 0 || results[0] == null) {
Log.d(TAG, "delete notes failed, ids:" + ids.toString());
return false;
@ -77,7 +80,7 @@ public class DataUtils {
values.put(NoteColumns.PARENT_ID, desFolderId);
values.put(NoteColumns.ORIGIN_PARENT_ID, srcFolderId);
values.put(NoteColumns.LOCAL_MODIFIED, 1);
resolver.update(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id), values, null, null);
resolver.update(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id), values, null, null); //对需要移动的便签进行数据更新然后用update实现
}
public static boolean batchMoveToFolder(ContentResolver resolver, HashSet<Long> ids,
@ -90,14 +93,14 @@ public class DataUtils {
ArrayList<ContentProviderOperation> operationList = new ArrayList<ContentProviderOperation>();
for (long id : ids) {
ContentProviderOperation.Builder builder = ContentProviderOperation
.newUpdate(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id));
.newUpdate(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id)); //通过withAppendedId方法为该Uri加上ID
builder.withValue(NoteColumns.PARENT_ID, folderId);
builder.withValue(NoteColumns.LOCAL_MODIFIED, 1);
operationList.add(builder.build());
}
}//将ids里包含的每一列的数据逐次加入到operationList中等待最后的批量处理
try {
ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList);
ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList); //applyBatch一次性处理一个操作列表
if (results == null || results.length == 0 || results[0] == null) {
Log.d(TAG, "delete notes failed, ids:" + ids.toString());
return false;
@ -119,7 +122,7 @@ public class DataUtils {
new String[] { "COUNT(*)" },
NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>?",
new String[] { String.valueOf(Notes.TYPE_FOLDER), String.valueOf(Notes.ID_TRASH_FOLER)},
null);
null); //筛选条件源文件不为trash folder
int count = 0;
if(cursor != null) {
@ -137,15 +140,15 @@ public class DataUtils {
}
public static boolean visibleInNoteDatabase(ContentResolver resolver, long noteId, int type) {
Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId),
Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), //通过withAppendedId方法为该Uri加上ID
null,
NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER,
new String [] {String.valueOf(type)},
null);
null); //查询条件type符合且不属于垃圾文件夹
boolean exist = false;
if (cursor != null) {
if (cursor.getCount() > 0) {
if (cursor.getCount() > 0) {//用getcount函数判断cursor是否为空
exist = true;
}
cursor.close();
@ -187,6 +190,7 @@ public class DataUtils {
" AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER +
" AND " + NoteColumns.SNIPPET + "=?",
new String[] { name }, null);
//通过名字查询文件是否存在
boolean exist = false;
if(cursor != null) {
if(cursor.getCount() > 0) {
@ -202,7 +206,7 @@ public class DataUtils {
new String[] { NoteColumns.WIDGET_ID, NoteColumns.WIDGET_TYPE },
NoteColumns.PARENT_ID + "=?",
new String[] { String.valueOf(folderId) },
null);
null); //查询条件父ID是传入的folderId;
HashSet<AppWidgetAttribute> set = null;
if (c != null) {
@ -211,13 +215,13 @@ public class DataUtils {
do {
try {
AppWidgetAttribute widget = new AppWidgetAttribute();
widget.widgetId = c.getInt(0);
widget.widgetType = c.getInt(1);
widget.widgetId = c.getInt(0); //0对应的NoteColumns.WIDGET_ID
widget.widgetType = c.getInt(1); //1对应的NoteColumns.WIDGET_TYPE
set.add(widget);
} catch (IndexOutOfBoundsException e) {
Log.e(TAG, e.toString());
}
} while (c.moveToNext());
} while (c.moveToNext()); //查询下一条
}
c.close();
}
@ -250,11 +254,12 @@ public class DataUtils {
+ CallNote.PHONE_NUMBER + ",?)",
new String [] { String.valueOf(callDate), CallNote.CONTENT_ITEM_TYPE, phoneNumber },
null);
//通过数据库操作查询条件是callDate和phoneNumber匹配传入参数的值
if (cursor != null) {
if (cursor.moveToFirst()) {
try {
return cursor.getLong(0);
return cursor.getLong(0); //0对应的CallNote.NOTE_ID
} catch (IndexOutOfBoundsException e) {
Log.e(TAG, "Get call note id fails " + e.toString());
}
@ -269,7 +274,7 @@ public class DataUtils {
new String [] { NoteColumns.SNIPPET },
NoteColumns.ID + "=?",
new String [] { String.valueOf(noteId)},
null);
null);//查询条件noteId
if (cursor != null) {
String snippet = "";
@ -281,8 +286,7 @@ public class DataUtils {
}
throw new IllegalArgumentException("Note is not found with id: " + noteId);
}
public static String getFormattedSnippet(String snippet) {
public static String getFormattedSnippet(String snippet) { //对字符串进行格式处理,将字符串两头的空格去掉,同时将换行符去掉
if (snippet != null) {
snippet = snippet.trim();
int index = snippet.indexOf('\n');
@ -292,4 +296,5 @@ public class DataUtils {
}
return snippet;
}
}

@ -14,8 +14,10 @@
* limitations under the License.
*/
//定义了很多的静态字符串提供jsonObject中相应字符串的"key"。
package net.micode.notes.tool;
//这个类定义了jsonObject提供Key
public class GTaskStringUtils {
public final static String GTASK_JSON_ACTION_ID = "action_id";

@ -22,24 +22,45 @@ import android.preference.PreferenceManager;
import net.micode.notes.R;
import net.micode.notes.ui.NotesPreferenceActivity;
/**
* ResourceParser使
*/
public class ResourceParser {
/**
*
*/
public static final int YELLOW = 0;
public static final int BLUE = 1;
public static final int WHITE = 2;
public static final int GREEN = 3;
public static final int RED = 4;
/**
*
*/
public static final int BG_DEFAULT_COLOR = YELLOW;
/**
*
*/
public static final int TEXT_SMALL = 0;
public static final int TEXT_MEDIUM = 1;
public static final int TEXT_LARGE = 2;
public static final int TEXT_SUPER = 3;
/**
*
*/
public static final int BG_DEFAULT_FONT_SIZE = TEXT_MEDIUM;
/**
* NoteBgResources
*/
public static class NoteBgResources {
/**
*
*/
private final static int [] BG_EDIT_RESOURCES = new int [] {
R.drawable.edit_yellow,
R.drawable.edit_blue,
@ -48,6 +69,9 @@ public class ResourceParser {
R.drawable.edit_red
};
/**
*
*/
private final static int [] BG_EDIT_TITLE_RESOURCES = new int [] {
R.drawable.edit_title_yellow,
R.drawable.edit_title_blue,
@ -56,15 +80,30 @@ public class ResourceParser {
R.drawable.edit_title_red
};
/**
*
* @param id id
* @return
*/
public static int getNoteBgResource(int id) {
return BG_EDIT_RESOURCES[id];
}
/**
*
* @param id id
* @return
*/
public static int getNoteTitleBgResource(int id) {
return BG_EDIT_TITLE_RESOURCES[id];
}
}
/**
* id
* @param context
* @return id
*/
public static int getDefaultBgId(Context context) {
if (PreferenceManager.getDefaultSharedPreferences(context).getBoolean(
NotesPreferenceActivity.PREFERENCE_SET_BG_COLOR_KEY, false)) {
@ -74,7 +113,13 @@ public class ResourceParser {
}
}
/**
* NoteItemBgResources
*/
public static class NoteItemBgResources {
/**
*
*/
private final static int [] BG_FIRST_RESOURCES = new int [] {
R.drawable.list_yellow_up,
R.drawable.list_blue_up,
@ -83,6 +128,9 @@ public class ResourceParser {
R.drawable.list_red_up
};
/**
*
*/
private final static int [] BG_NORMAL_RESOURCES = new int [] {
R.drawable.list_yellow_middle,
R.drawable.list_blue_middle,
@ -91,6 +139,9 @@ public class ResourceParser {
R.drawable.list_red_middle
};
/**
*
*/
private final static int [] BG_LAST_RESOURCES = new int [] {
R.drawable.list_yellow_down,
R.drawable.list_blue_down,
@ -99,6 +150,9 @@ public class ResourceParser {
R.drawable.list_red_down,
};
/**
*
*/
private final static int [] BG_SINGLE_RESOURCES = new int [] {
R.drawable.list_yellow_single,
R.drawable.list_blue_single,
@ -107,28 +161,58 @@ public class ResourceParser {
R.drawable.list_red_single
};
/**
*
* @param id id
* @return
*/
public static int getNoteBgFirstRes(int id) {
return BG_FIRST_RESOURCES[id];
}
/**
*
* @param id id
* @return
*/
public static int getNoteBgLastRes(int id) {
return BG_LAST_RESOURCES[id];
}
/**
*
* @param id id
* @return
*/
public static int getNoteBgSingleRes(int id) {
return BG_SINGLE_RESOURCES[id];
}
/**
*
* @param id id
* @return
*/
public static int getNoteBgNormalRes(int id) {
return BG_NORMAL_RESOURCES[id];
}
/**
*
* @return
*/
public static int getFolderBgRes() {
return R.drawable.list_folder;
}
}
/**
* WidgetBgResources
*/
public static class WidgetBgResources {
/**
* 2x
*/
private final static int [] BG_2X_RESOURCES = new int [] {
R.drawable.widget_2x_yellow,
R.drawable.widget_2x_blue,
@ -137,10 +221,18 @@ public class ResourceParser {
R.drawable.widget_2x_red,
};
/**
* 2x
* @param id id
* @return 2x
*/
public static int getWidget2xBgResource(int id) {
return BG_2X_RESOURCES[id];
}
/**
* 4x
*/
private final static int [] BG_4X_RESOURCES = new int [] {
R.drawable.widget_4x_yellow,
R.drawable.widget_4x_blue,
@ -149,12 +241,23 @@ public class ResourceParser {
R.drawable.widget_4x_red
};
/**
* 4x
* @param id id
* @return 4x
*/
public static int getWidget4xBgResource(int id) {
return BG_4X_RESOURCES[id];
}
}
/**
* TextAppearanceResources
*/
public static class TextAppearanceResources {
/**
*
*/
private final static int [] TEXTAPPEARANCE_RESOURCES = new int [] {
R.style.TextAppearanceNormal,
R.style.TextAppearanceMedium,
@ -162,11 +265,15 @@ public class ResourceParser {
R.style.TextAppearanceSuper
};
/**
*
* @param id id
* @return
*/
public static int getTexAppearanceResource(int id) {
/**
* 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}
* HACKME: id
* idBG_DEFAULT_FONT_SIZE
*/
if (id >= TEXTAPPEARANCE_RESOURCES.length) {
return BG_DEFAULT_FONT_SIZE;
@ -174,6 +281,10 @@ public class ResourceParser {
return TEXTAPPEARANCE_RESOURCES[id];
}
/**
*
* @return
*/
public static int getResourcesSize() {
return TEXTAPPEARANCE_RESOURCES.length;
}

@ -1,19 +1,3 @@
/*
* 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;
@ -30,10 +14,14 @@ 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;
@ -41,12 +29,13 @@ public class FoldersListAdapter extends CursorAdapter {
public FoldersListAdapter(Context context, Cursor c) {
super(context, c);
// TODO Auto-generated constructor stub
}
}//数据库操作
@Override
public View newView(Context context, Cursor cursor, ViewGroup parent) {
//ViewGroup是容器
return new FolderListItem(context);
}
}//创建一个文件夹,对于各文件夹中子标签的初始化
@Override
public void bindView(View view, Context context, Cursor cursor) {
@ -55,20 +44,22 @@ public class FoldersListAdapter extends CursorAdapter {
.getString(R.string.menu_move_parent_folder) : cursor.getString(NAME_COLUMN);
((FolderListItem) view).bind(folderName);
}
}
}//将各个布局文件绑定起来
public String getFolderName(Context context, int position) {
Cursor cursor = (Cursor) getItem(position);
return (cursor.getLong(ID_COLUMN) == Notes.ID_ROOT_FOLDER) ? context
.getString(R.string.menu_move_parent_folder) : cursor.getString(NAME_COLUMN);
}
}//根据数据库中标签的ID得到标签的各项内容
private class FolderListItem extends LinearLayout {
private TextView mName;
public FolderListItem(Context context) {
super(context);
//操作数据库
inflate(context, R.layout.folder_list_item, this);
//根据布局文件的名字等信息将其找出来
mName = (TextView) findViewById(R.id.tv_folder_name);
}

@ -1,19 +1,3 @@
/*
* 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;
@ -74,6 +58,8 @@ 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;
@ -83,7 +69,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
public ImageView ibSetBgColor;
}
//使用Map实现数据存储
private static final Map<Integer, Integer> sBgSelectorBtnsMap = new HashMap<Integer, Integer>();
static {
sBgSelectorBtnsMap.put(R.id.iv_bg_yellow, ResourceParser.YELLOW);
@ -91,6 +77,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
sBgSelectorBtnsMap.put(R.id.iv_bg_blue, ResourceParser.BLUE);
sBgSelectorBtnsMap.put(R.id.iv_bg_green, ResourceParser.GREEN);
sBgSelectorBtnsMap.put(R.id.iv_bg_white, ResourceParser.WHITE);
//put函数是将指定值和指定键相连
}
private static final Map<Integer, Integer> sBgSelectorSelectionMap = new HashMap<Integer, Integer>();
@ -100,6 +87,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
sBgSelectorSelectionMap.put(ResourceParser.BLUE, R.id.iv_bg_blue_select);
sBgSelectorSelectionMap.put(ResourceParser.GREEN, R.id.iv_bg_green_select);
sBgSelectorSelectionMap.put(ResourceParser.WHITE, R.id.iv_bg_white_select);
//put函数是将指定值和指定键相连
}
private static final Map<Integer, Integer> sFontSizeBtnsMap = new HashMap<Integer, Integer>();
@ -108,6 +96,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
sFontSizeBtnsMap.put(R.id.ll_font_small, ResourceParser.TEXT_SMALL);
sFontSizeBtnsMap.put(R.id.ll_font_normal, ResourceParser.TEXT_MEDIUM);
sFontSizeBtnsMap.put(R.id.ll_font_super, ResourceParser.TEXT_SUPER);
//put函数是将指定值和指定键相连
}
private static final Map<Integer, Integer> sFontSelectorSelectionMap = new HashMap<Integer, Integer>();
@ -116,6 +105,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
sFontSelectorSelectionMap.put(ResourceParser.TEXT_SMALL, R.id.iv_small_select);
sFontSelectorSelectionMap.put(ResourceParser.TEXT_MEDIUM, R.id.iv_medium_select);
sFontSelectorSelectionMap.put(ResourceParser.TEXT_SUPER, R.id.iv_super_select);
//put函数是将指定值和指定键相连
}
private static final String TAG = "NoteEditActivity";
@ -123,20 +113,23 @@ public class NoteEditActivity extends Activity implements OnClickListener,
private HeadViewHolder mNoteHeaderHolder;
private View mHeadViewPanel;
//私有化一个界面操作mHeadViewPanel对表头的操作
private View mNoteBgColorSelector;
//私有化一个界面操作mNoteBgColorSelector对背景颜色的操作
private View mFontSizeSelector;
//私有化一个界面操作mFontSizeSelector对标签字体的操作
private EditText mNoteEditor;
//声明编辑控件,对文本操作
private View mNoteEditorPanel;
private WorkingNote mWorkingNote;
//私有化一个界面操作mNoteEditorPanel文本编辑的控制板
//private WorkingNote mWorkingNote;
public WorkingNote mWorkingNote;
//对模板WorkingNote的初始化
private SharedPreferences mSharedPrefs;
//私有化SharedPreferences的数据存储方式
//它的本质是基于XML文件存储key-value键值对数据
private int mFontSizeId;
//用于操作字体的大小
private static final String PREFERENCE_FONT_SIZE = "pref_font_size";
private static final int SHORTCUT_ICON_TITLE_MAX_LEN = 10;
@ -145,7 +138,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
public static final String TAG_UNCHECKED = String.valueOf('\u25A1');
private LinearLayout mEditTextList;
//线性布局
private String mUserQuery;
private Pattern mPattern;
@ -153,7 +146,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
this.setContentView(R.layout.note_edit);
//对数据库的访问操作
if (savedInstanceState == null && !initActivityState(getIntent())) {
finish();
return;
@ -176,7 +169,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
return;
}
Log.d(TAG, "Restoring from killed activity");
}
}//为防止内存不足时程序的终止,在这里有一个保存现场的函数
}
private boolean initActivityState(Intent intent) {
@ -188,34 +181,42 @@ public class NoteEditActivity extends Activity implements OnClickListener,
if (TextUtils.equals(Intent.ACTION_VIEW, intent.getAction())) {
long noteId = intent.getLongExtra(Intent.EXTRA_UID, 0);
mUserQuery = "";
//如果用户实例化标签时系统并未给出标签ID
/**
* Starting from the searched result
*/
//根据键值查找ID
if (intent.hasExtra(SearchManager.EXTRA_DATA_KEY)) {
noteId = Long.parseLong(intent.getStringExtra(SearchManager.EXTRA_DATA_KEY));
mUserQuery = intent.getStringExtra(SearchManager.USER_QUERY);
}
//如果ID在数据库中未找到
if (!DataUtils.visibleInNoteDatabase(getContentResolver(), noteId, Notes.TYPE_NOTE)) {
Intent jump = new Intent(this, NotesListActivity.class);
startActivity(jump);
//程序将跳转到上面声明的intent——jump
showToast(R.string.error_note_not_exist);
finish();
return false;
} else {
}
//ID在数据库中找到
else {
mWorkingNote = WorkingNote.load(this, noteId);
if (mWorkingNote == null) {
Log.e(TAG, "load note failed with note id" + noteId);
//打印出红色的错误信息
finish();
return false;
}
}
//setSoftInputMode——软键盘输入模式
getWindow().setSoftInputMode(
WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN
| WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE);
} else if(TextUtils.equals(Intent.ACTION_INSERT_OR_EDIT, intent.getAction())) {
// New note
// intent.getAction()
// 大多用于broadcast发送广播时给机制intent设置一个action就是一个字符串
// 用户可以通过receive接受intent通过 getAction得到的字符串来决定做什么
long folderId = intent.getLongExtra(Notes.INTENT_EXTRA_FOLDER_ID, 0);
int widgetId = intent.getIntExtra(Notes.INTENT_EXTRA_WIDGET_ID,
AppWidgetManager.INVALID_APPWIDGET_ID);
@ -223,7 +224,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
Notes.TYPE_WIDGET_INVALIDE);
int bgResId = intent.getIntExtra(Notes.INTENT_EXTRA_BACKGROUND_ID,
ResourceParser.getDefaultBgId(this));
// intent.getIntLong、StringExtra是对各变量的语法分析
// Parse call-record note
String phoneNumber = intent.getStringExtra(Intent.EXTRA_PHONE_NUMBER);
long callDate = intent.getLongExtra(Notes.INTENT_EXTRA_CALL_DATE, 0);
@ -240,15 +241,17 @@ public class NoteEditActivity extends Activity implements OnClickListener,
finish();
return false;
}
//将电话号码与手机的号码簿相关
} else {
mWorkingNote = WorkingNote.createEmptyNote(this, folderId, widgetId,
widgetType, bgResId);
mWorkingNote.convertToCallNote(phoneNumber, callDate);
//
}
} else {
mWorkingNote = WorkingNote.createEmptyNote(this, folderId, widgetId, widgetType,
bgResId);
}
}//创建一个新的WorkingNote
getWindow().setSoftInputMode(
WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE
@ -269,8 +272,10 @@ public class NoteEditActivity extends Activity implements OnClickListener,
}
private void initNoteScreen() {
//对界面的初始化操作
mNoteEditor.setTextAppearance(this, TextAppearanceResources
.getTexAppearanceResource(mFontSizeId));
//设置外观
if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) {
switchToListMode(mWorkingNote.getContent());
} else {
@ -294,18 +299,21 @@ public class NoteEditActivity extends Activity implements OnClickListener,
*/
showAlertHeader();
}
//设置闹钟的显示
private void showAlertHeader() {
if (mWorkingNote.hasClockAlert()) {
long time = System.currentTimeMillis();
if (time > mWorkingNote.getAlertDate()) {
mNoteHeaderHolder.tvAlertDate.setText(R.string.note_alert_expired);
} else {
}
//如果系统时间大于了闹钟设置的时间,那么闹钟失效
else {
mNoteHeaderHolder.tvAlertDate.setText(DateUtils.getRelativeTimeSpanString(
mWorkingNote.getAlertDate(), time, DateUtils.MINUTE_IN_MILLIS));
}
mNoteHeaderHolder.tvAlertDate.setVisibility(View.VISIBLE);
mNoteHeaderHolder.ivAlertIcon.setVisibility(View.VISIBLE);
//显示闹钟开启的图标
} else {
mNoteHeaderHolder.tvAlertDate.setVisibility(View.GONE);
mNoteHeaderHolder.ivAlertIcon.setVisibility(View.GONE);
@ -329,26 +337,29 @@ public class NoteEditActivity extends Activity implements OnClickListener,
if (!mWorkingNote.existInDatabase()) {
saveNote();
}
//在创建一个新的标签时,先在数据库中匹配
//如果不存在,那么先在数据库中存储
outState.putLong(Intent.EXTRA_UID, mWorkingNote.getNoteId());
Log.d(TAG, "Save working note id: " + mWorkingNote.getNoteId() + " onSaveInstanceState");
}
@Override
//MotionEvent是对屏幕触控的传递机制
public boolean dispatchTouchEvent(MotionEvent ev) {
if (mNoteBgColorSelector.getVisibility() == View.VISIBLE
&& !inRangeOfView(mNoteBgColorSelector, ev)) {
mNoteBgColorSelector.setVisibility(View.GONE);
return true;
}
}//颜色选择器在屏幕上可见
if (mFontSizeSelector.getVisibility() == View.VISIBLE
&& !inRangeOfView(mFontSizeSelector, ev)) {
mFontSizeSelector.setVisibility(View.GONE);
return true;
}
}//字体大小选择器在屏幕上可见
return super.dispatchTouchEvent(ev);
}
//对屏幕触控的坐标进行操作
private boolean inRangeOfView(View view, MotionEvent ev) {
int []location = new int[2];
view.getLocationOnScreen(location);
@ -357,7 +368,9 @@ public class NoteEditActivity extends Activity implements OnClickListener,
if (ev.getX() < x
|| ev.getX() > (x + view.getWidth())
|| ev.getY() < y
|| ev.getY() > (y + view.getHeight())) {
|| ev.getY() > (y + view.getHeight()))
//如果触控的位置超出了给定的范围返回false
{
return false;
}
return true;
@ -377,13 +390,13 @@ public class NoteEditActivity extends Activity implements OnClickListener,
for (int id : sBgSelectorBtnsMap.keySet()) {
ImageView iv = (ImageView) findViewById(id);
iv.setOnClickListener(this);
}
}//对标签各项属性内容的初始化
mFontSizeSelector = findViewById(R.id.font_size_selector);
for (int id : sFontSizeBtnsMap.keySet()) {
View view = findViewById(id);
view.setOnClickListener(this);
};
};//对字体大小的选择
mSharedPrefs = PreferenceManager.getDefaultSharedPreferences(this);
mFontSizeId = mSharedPrefs.getInt(PREFERENCE_FONT_SIZE, ResourceParser.BG_DEFAULT_FONT_SIZE);
/**
@ -405,7 +418,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
}
clearSettingState();
}
//和桌面小工具的同步
private void updateWidget() {
Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE);
if (mWorkingNote.getWidgetType() == Notes.TYPE_WIDGET_2X) {
@ -450,7 +463,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
}
mFontSizeSelector.setVisibility(View.GONE);
}
}
}//************************存在问题
@Override
public void onBackPressed() {
@ -481,6 +494,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
}
@Override
//对选择菜单的准备
public boolean onPrepareOptionsMenu(Menu menu) {
if (isFinishing()) {
return true;
@ -489,6 +503,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
menu.clear();
if (mWorkingNote.getFolderId() == Notes.ID_CALL_RECORD_FOLDER) {
getMenuInflater().inflate(R.menu.call_note_edit, menu);
// MenuInflater是用来实例化Menu目录下的Menu布局文件的
} else {
getMenuInflater().inflate(R.menu.note_edit, menu);
}
@ -506,45 +521,71 @@ public class NoteEditActivity extends Activity implements OnClickListener,
}
@Override
/*
*
*
*/
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
//根据菜单的id来编剧相关项目
case R.id.menu_new_note:
//创建一个新的便签
createNewNote();
break;
case R.id.menu_delete:
//删除便签
AlertDialog.Builder builder = new AlertDialog.Builder(this);
//创建关于删除操作的对话框
builder.setTitle(getString(R.string.alert_title_delete));
// 设置标签的标题为alert_title_delete
builder.setIcon(android.R.drawable.ic_dialog_alert);
//设置对话框图标
builder.setMessage(getString(R.string.alert_message_delete_note));
//设置对话框内容
builder.setPositiveButton(android.R.string.ok,
new DialogInterface.OnClickListener() {
//建立按键监听器
public void onClick(DialogInterface dialog, int which) {
//点击所触发事件
deleteCurrentNote();
// 删除单签便签
finish();
}
});
//添加“YES”按钮
builder.setNegativeButton(android.R.string.cancel, null);
//添加“NO”的按钮
builder.show();
//显示对话框
break;
case R.id.menu_font_size:
//字体大小的编辑
mFontSizeSelector.setVisibility(View.VISIBLE);
// 将字体选择器置为可见
findViewById(sFontSelectorSelectionMap.get(mFontSizeId)).setVisibility(View.VISIBLE);
// 通过id找到相应的大小
break;
case R.id.menu_list_mode:
//选择列表模式
mWorkingNote.setCheckListMode(mWorkingNote.getCheckListMode() == 0 ?
TextNote.MODE_CHECK_LIST : 0);
break;
case R.id.menu_share:
//菜单共享
getWorkingText();
sendTo(this, mWorkingNote.getContent());
// 用sendto函数将运行文本发送到遍历的本文内
break;
case R.id.menu_send_to_desktop:
//发送到桌面
sendToDesktop();
break;
case R.id.menu_alert:
//创建提醒器
setReminder();
break;
case R.id.menu_delete_remind:
//删除日期提醒
mWorkingNote.setAlertDate(0, false);
break;
default:
@ -553,111 +594,170 @@ public class NoteEditActivity extends Activity implements OnClickListener,
return true;
}
/*
*
*
*/
private void setReminder() {
DateTimePickerDialog d = new DateTimePickerDialog(this, System.currentTimeMillis());
// 建立修改时间日期的对话框
d.setOnDateTimeSetListener(new OnDateTimeSetListener() {
public void OnDateTimeSet(AlertDialog dialog, long date) {
mWorkingNote.setAlertDate(date , true);
//选择提醒的日期
}
});
//建立时间日期的监听器
d.show();
//显示对话框
}
/**
* Share note to apps that support {@link Intent#ACTION_SEND} action
* and {@text/plain} type
*/
/*
* 便
*
*/
private void sendTo(Context context, String info) {
Intent intent = new Intent(Intent.ACTION_SEND);
//建立intent链接选项
intent.putExtra(Intent.EXTRA_TEXT, info);
//将需要传递的便签信息放入text文件中
intent.setType("text/plain");
//编辑连接器的类型
context.startActivity(intent);
//在acti中进行链接
}
/*
* 便
*
*/
private void createNewNote() {
// Firstly, save current editing notes
//保存当前便签
saveNote();
// For safety, start a new NoteEditActivity
finish();
Intent intent = new Intent(this, NoteEditActivity.class);
//设置链接器
intent.setAction(Intent.ACTION_INSERT_OR_EDIT);
//该活动定义为创建或编辑
intent.putExtra(Notes.INTENT_EXTRA_FOLDER_ID, mWorkingNote.getFolderId());
//将运行便签的id添加到INTENT_EXTRA_FOLDER_ID标记中
startActivity(intent);
//开始activity并链接
}
/*
* 便
*
*/
private void deleteCurrentNote() {
if (mWorkingNote.existInDatabase()) {
//假如当前运行的便签内存有数据
HashSet<Long> ids = new HashSet<Long>();
long id = mWorkingNote.getNoteId();
if (id != Notes.ID_ROOT_FOLDER) {
ids.add(id);
//如果不是头文件夹建立一个hash表把便签id存起来
} else {
Log.d(TAG, "Wrong note id, should not happen");
//否则报错
}
if (!isSyncMode()) {
//在非同步模式情况下
//删除操作
if (!DataUtils.batchDeleteNotes(getContentResolver(), ids)) {
Log.e(TAG, "Delete Note error");
}
} else {
//同步模式
//移动至垃圾文件夹的操作
if (!DataUtils.batchMoveToFolder(getContentResolver(), ids, Notes.ID_TRASH_FOLER)) {
Log.e(TAG, "Move notes to trash folder error, should not happens");
}
}
}
mWorkingNote.markDeleted(true);
//将这些标签的删除标记置为true
}
/*
*
* NotesPreferenceActivity
*/
private boolean isSyncMode() {
return NotesPreferenceActivity.getSyncAccountName(this).trim().length() > 0;
}
/*
*
*
*/
public void onClockAlertChanged(long date, boolean set) {
/**
* User could set clock to an unsaved note, so before setting the
* alert clock, we should save the note first
*/
if (!mWorkingNote.existInDatabase()) {
//首先保存已有的便签
saveNote();
}
if (mWorkingNote.getNoteId() > 0) {
Intent intent = new Intent(this, AlarmReceiver.class);
intent.setData(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, mWorkingNote.getNoteId()));
//若有有运行的便签就是建立一个链接器将标签id都存在uri中
PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, intent, 0);
AlarmManager alarmManager = ((AlarmManager) getSystemService(ALARM_SERVICE));
//设置提醒管理器
showAlertHeader();
if(!set) {
alarmManager.cancel(pendingIntent);
} else {
alarmManager.set(AlarmManager.RTC_WAKEUP, date, pendingIntent);
}
//如果用户设置了时间,就通过提醒管理器设置一个监听事项
} else {
/**
* There is the condition that user has input nothing (the note is
* not worthy saving), we have no note id, remind the user that he
* should input something
*/
//没有运行的便签就报错
Log.e(TAG, "Clock alert setting error");
showToast(R.string.error_note_empty_for_clock);
}
}
/*
* Widget
*/
public void onWidgetChanged() {
updateWidget();
updateWidget();//更新Widget
}
/*
*
*
*/
public void onEditTextDelete(int index, String text) {
int childCount = mEditTextList.getChildCount();
if (childCount == 1) {
return;
}
//没有编辑框的话直接返回
for (int i = index + 1; i < childCount; i++) {
((NoteEditText) mEditTextList.getChildAt(i).findViewById(R.id.et_edit_text))
.setIndex(i - 1);
//通过id把编辑框存在便签编辑框中
}
mEditTextList.removeViewAt(index);
//删除特定位置的视图
NoteEditText edit = null;
if(index == 0) {
edit = (NoteEditText) mEditTextList.getChildAt(0).findViewById(
@ -666,69 +766,101 @@ public class NoteEditActivity extends Activity implements OnClickListener,
edit = (NoteEditText) mEditTextList.getChildAt(index - 1).findViewById(
R.id.et_edit_text);
}
//通过id把编辑框存在空的NoteEditText中
int length = edit.length();
edit.append(text);
edit.requestFocus();
edit.setSelection(length);
edit.requestFocus();//请求优先完成该此 编辑
edit.setSelection(length);//定位到length位置处的条目
}
/*
*
*
*/
public void onEditTextEnter(int index, String text) {
/**
* Should not happen, check for debug
*/
if(index > mEditTextList.getChildCount()) {
Log.e(TAG, "Index out of mEditTextList boundrary, should not happen");
//越界把偶偶
}
View view = getListItem(text, index);
mEditTextList.addView(view, index);
//建立一个新的视图并添加到编辑文本框内
NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text);
edit.requestFocus();
edit.setSelection(0);
edit.requestFocus();//请求优先操作
edit.setSelection(0);//定位到起始位置
for (int i = index + 1; i < mEditTextList.getChildCount(); i++) {
((NoteEditText) mEditTextList.getChildAt(i).findViewById(R.id.et_edit_text))
.setIndex(i);
//遍历子文本框并设置对应对下标
}
}
/*
*
*
*/
private void switchToListMode(String text) {
mEditTextList.removeAllViews();
String[] items = text.split("\n");
int index = 0;
//清空所有视图,初始化下标
for (String item : items) {
if(!TextUtils.isEmpty(item)) {
mEditTextList.addView(getListItem(item, index));
index++;
//遍历所有文本单元并添加到文本框中
}
}
mEditTextList.addView(getListItem("", index));
mEditTextList.getChildAt(index).findViewById(R.id.et_edit_text).requestFocus();
//优先请求此操作
mNoteEditor.setVisibility(View.GONE);
//便签编辑器不可见
mEditTextList.setVisibility(View.VISIBLE);
//将文本编辑框置为可见
}
/*
*
*
*/
private Spannable getHighlightQueryResult(String fullText, String userQuery) {
SpannableString spannable = new SpannableString(fullText == null ? "" : fullText);
//新建一个效果选项
if (!TextUtils.isEmpty(userQuery)) {
mPattern = Pattern.compile(userQuery);
//将用户的询问进行解析
Matcher m = mPattern.matcher(fullText);
//建立一个状态机检查Pattern并进行匹配
int start = 0;
while (m.find(start)) {
spannable.setSpan(
new BackgroundColorSpan(this.getResources().getColor(
R.color.user_query_highlight)), m.start(), m.end(),
Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
//设置背景颜色
start = m.end();
//跟新起始位置
}
}
return spannable;
}
/*
*
*
*/
private View getListItem(String item, int index) {
View view = LayoutInflater.from(this).inflate(R.layout.note_edit_list_item, null);
//创建一个视图
final NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text);
edit.setTextAppearance(this, TextAppearanceResources.getTexAppearanceResource(mFontSizeId));
//创建一个文本编辑框并设置可见性
CheckBox cb = ((CheckBox) view.findViewById(R.id.cb_edit_item));
cb.setOnCheckedChangeListener(new OnCheckedChangeListener() {
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
@ -739,12 +871,15 @@ public class NoteEditActivity extends Activity implements OnClickListener,
}
}
});
//建立一个打钩框并设置监听器
if (item.startsWith(TAG_CHECKED)) {
//选择勾选
cb.setChecked(true);
edit.setPaintFlags(edit.getPaintFlags() | Paint.STRIKE_THRU_TEXT_FLAG);
item = item.substring(TAG_CHECKED.length(), item.length()).trim();
} else if (item.startsWith(TAG_UNCHECKED)) {
//选择不勾选
cb.setChecked(false);
edit.setPaintFlags(Paint.ANTI_ALIAS_FLAG | Paint.DEV_KERN_TEXT_FLAG);
item = item.substring(TAG_UNCHECKED.length(), item.length()).trim();
@ -753,61 +888,94 @@ public class NoteEditActivity extends Activity implements OnClickListener,
edit.setOnTextViewChangeListener(this);
edit.setIndex(index);
edit.setText(getHighlightQueryResult(item, mUserQuery));
//运行编辑框的监听器对该行为作出反应,并设置下标及文本内容
return view;
}
/*
* 便
*
*/
public void onTextChange(int index, boolean hasText) {
if (index >= mEditTextList.getChildCount()) {
Log.e(TAG, "Wrong index, should not happen");
return;
//越界报错
}
if(hasText) {
mEditTextList.getChildAt(index).findViewById(R.id.cb_edit_item).setVisibility(View.VISIBLE);
} else {
mEditTextList.getChildAt(index).findViewById(R.id.cb_edit_item).setVisibility(View.GONE);
}
//如果内容不为空则将其子编辑框可见性置为可见,否则不可见
}
/*
*
*
*/
public void onCheckListModeChanged(int oldMode, int newMode) {
if (newMode == TextNote.MODE_CHECK_LIST) {
switchToListMode(mNoteEditor.getText().toString());
//检查模式切换到列表模式
} else {
if (!getWorkingText()) {
mWorkingNote.setWorkingText(mWorkingNote.getContent().replace(TAG_UNCHECKED + " ",
""));
}
//若是获取到文本就改变其检查标记
mNoteEditor.setText(getHighlightQueryResult(mWorkingNote.getContent(), mUserQuery));
mEditTextList.setVisibility(View.GONE);
mNoteEditor.setVisibility(View.VISIBLE);
//修改文本编辑器的内容和可见性
}
}
/*
*
*
*/
private boolean getWorkingText() {
boolean hasChecked = false;
//初始化check标记
if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) {
// 若模式为CHECK_LIST
StringBuilder sb = new StringBuilder();
//创建可变字符串
for (int i = 0; i < mEditTextList.getChildCount(); i++) {
View view = mEditTextList.getChildAt(i);
//遍历所有子编辑框的视图
NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text);
if (!TextUtils.isEmpty(edit.getText())) {
//若文本不为空
if (((CheckBox) view.findViewById(R.id.cb_edit_item)).isChecked()) {
//该选项框已打钩
sb.append(TAG_CHECKED).append(" ").append(edit.getText()).append("\n");
hasChecked = true;
//扩展字符串为已打钩并把标记置true
} else {
sb.append(TAG_UNCHECKED).append(" ").append(edit.getText()).append("\n");
//扩展字符串添加未打钩
}
}
}
mWorkingNote.setWorkingText(sb.toString());
//利用编辑好的字符串设置运行便签的内容
} else {
mWorkingNote.setWorkingText(mNoteEditor.getText().toString());
// 若不是该模式直接用编辑器中的内容设置运行中标签的内容
}
return hasChecked;
}
/*
* 便
*
*/
private boolean saveNote() {
getWorkingText();
boolean saved = mWorkingNote.saveNote();
//运行 getWorkingText()之后保存
if (saved) {
/**
* There are two modes from List view to edit view, open one note,
@ -816,11 +984,16 @@ public class NoteEditActivity extends Activity implements OnClickListener,
* new node requires to the top of the list. This code
* {@link #RESULT_OK} is used to identify the create/edit state
*/
//如英文注释所说链接RESULT_OK是为了识别保存的2种情况一是创建后保存二是修改后保存
setResult(RESULT_OK);
}
return saved;
}
/*
* 便
*
*/
private void sendToDesktop() {
/**
* Before send message to home, we should make sure that current
@ -829,12 +1002,16 @@ public class NoteEditActivity extends Activity implements OnClickListener,
*/
if (!mWorkingNote.existInDatabase()) {
saveNote();
//若不存在数据也就是新的标签就保存起来先
}
if (mWorkingNote.getNoteId() > 0) {
//若是有内容
Intent sender = new Intent();
Intent shortcutIntent = new Intent(this, NoteEditActivity.class);
//建立发送到桌面的连接器
shortcutIntent.setAction(Intent.ACTION_VIEW);
//链接为一个视图
shortcutIntent.putExtra(Intent.EXTRA_UID, mWorkingNote.getNoteId());
sender.putExtra(Intent.EXTRA_SHORTCUT_INTENT, shortcutIntent);
sender.putExtra(Intent.EXTRA_SHORTCUT_NAME,
@ -842,9 +1019,12 @@ public class NoteEditActivity extends Activity implements OnClickListener,
sender.putExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE,
Intent.ShortcutIconResource.fromContext(this, R.drawable.icon_app));
sender.putExtra("duplicate", true);
//将便签的相关信息都添加到要发送的文件里
sender.setAction("com.android.launcher.action.INSTALL_SHORTCUT");
//设置sneder的行为是发送
showToast(R.string.info_note_enter_desktop);
sendBroadcast(sender);
//显示到桌面
} else {
/**
* There is the condition that user has input nothing (the note is
@ -853,26 +1033,35 @@ public class NoteEditActivity extends Activity implements OnClickListener,
*/
Log.e(TAG, "Send to desktop error");
showToast(R.string.error_note_empty_for_send_to_desktop);
//空便签直接报错
}
}
/*
*
*
*/
private String makeShortcutIconTitle(String content) {
content = content.replace(TAG_CHECKED, "");
content = content.replace(TAG_UNCHECKED, "");
return content.length() > SHORTCUT_ICON_TITLE_MAX_LEN ? content.substring(0,
SHORTCUT_ICON_TITLE_MAX_LEN) : content;
//直接设置为content中的内容并返回有勾选和未勾选2种
}
/*
*
*
*/
private void showToast(int resId) {
showToast(resId, Toast.LENGTH_SHORT);
}
/*
*
* duration
*/
private void showToast(int resId, int duration) {
Toast.makeText(this, resId, duration).show();
}
public void OnOpenMenu(View view) {
openOptionsMenu();
}
}

@ -1,19 +1,3 @@
/*
* 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;
@ -37,6 +21,7 @@ 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;
@ -46,6 +31,7 @@ public class NoteEditText extends EditText {
private static final String SCHEME_HTTP = "http:" ;
private static final String SCHEME_EMAIL = "mailto:" ;
///建立一个字符和整数的hash表用于链接电话网站还有邮箱
private static final Map<String, Integer> sSchemaActionResMap = new HashMap<String, Integer>();
static {
sSchemaActionResMap.put(SCHEME_TEL, R.string.note_link_tel);
@ -56,17 +42,20 @@ public class NoteEditText extends EditText {
/**
* Call by the {@link NoteEditActivity} to delete or add edit text
*/
//在NoteEditActivity中删除或添加文本的操作可以看做是一个文本是否被变的标记英文注释已说明的很清楚
public interface OnTextViewChangeListener {
/**
* Delete current edit text when {@link KeyEvent#KEYCODE_DEL} happens
* and the text is null
*/
//处理删除按键时的操作
void onEditTextDelete(int index, String text);
/**
* Add edit text after current edit text when {@link KeyEvent#KEYCODE_ENTER}
* happen
*/
//处理进入按键时的操作
void onEditTextEnter(int index, String text);
/**
@ -77,33 +66,43 @@ public class NoteEditText extends EditText {
private OnTextViewChangeListener mOnTextViewChangeListener;
//根据context设置文本
public NoteEditText(Context context) {
super(context, null);
super(context, null);//用super引用父类变量
mIndex = 0;
}
//设置当前光标
public void setIndex(int index) {
mIndex = index;
}
//初始化文本修改标记
public void setOnTextViewChangeListener(OnTextViewChangeListener listener) {
mOnTextViewChangeListener = listener;
}
//AttributeSet 百度了一下是自定义空控件属性,用于维护便签动态变化的属性
//初始化便签
public NoteEditText(Context context, AttributeSet attrs) {
super(context, attrs, android.R.attr.editTextStyle);
}
// 根据defstyle自动初始化
public NoteEditText(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
// TODO Auto-generated construct or stub
}
@Override
//view里的函数处理手机屏幕的所有事件
/*event
*/
public boolean onTouchEvent(MotionEvent event) {
switch (event.getAction()) {
//重写了需要处理屏幕被按下的事件
case MotionEvent.ACTION_DOWN:
//跟新当前坐标值
int x = (int) event.getX();
int y = (int) event.getY();
x -= getTotalPaddingLeft();
@ -111,9 +110,12 @@ public class NoteEditText extends EditText {
x += getScrollX();
y += getScrollY();
//用布局控件layout根据x,y的新值设置新的位置
Layout layout = getLayout();
int line = layout.getLineForVertical(y);
int off = layout.getOffsetForHorizontal(line, x);
//更新光标新的位置
Selection.setSelection(getText(), off);
break;
}
@ -122,96 +124,147 @@ public class NoteEditText extends EditText {
}
@Override
/*
*
*
*/
public boolean onKeyDown(int keyCode, KeyEvent event) {
switch (keyCode) {
//根据按键的 Unicode 编码值来处理
case KeyEvent.KEYCODE_ENTER:
//“进入”按键
if (mOnTextViewChangeListener != null) {
return false;
}
break;
case KeyEvent.KEYCODE_DEL:
//“删除”按键
mSelectionStartBeforeDelete = getSelectionStart();
break;
default:
break;
}
//继续执行父类的其他点击事件
return super.onKeyDown(keyCode, event);
}
@Override
/*
*
*
*/
public boolean onKeyUp(int keyCode, KeyEvent event) {
switch(keyCode) {
//根据按键的 Unicode 编码值来处理有删除和进入2种操作
case KeyEvent.KEYCODE_DEL:
if (mOnTextViewChangeListener != null) {
//若是被修改过
if (0 == mSelectionStartBeforeDelete && mIndex != 0) {
//若之前有被修改并且文档不为空
mOnTextViewChangeListener.onEditTextDelete(mIndex, getText().toString());
//利用上文OnTextViewChangeListener对KEYCODE_DEL按键情况的删除函数进行删除
return true;
}
} else {
Log.d(TAG, "OnTextViewChangeListener was not seted");
//其他情况报错,文档的改动监听器并没有建立
}
break;
case KeyEvent.KEYCODE_ENTER:
//同上也是分为监听器是否建立2种情况
if (mOnTextViewChangeListener != null) {
int selectionStart = getSelectionStart();
//获取当前位置
String text = getText().subSequence(selectionStart, length()).toString();
//获取当前文本
setText(getText().subSequence(0, selectionStart));
//根据获取的文本设置当前文本
mOnTextViewChangeListener.onEditTextEnter(mIndex + 1, text);
//当{@link KeyEvent#KEYCODE_ENTER}添加新文本
} else {
Log.d(TAG, "OnTextViewChangeListener was not seted");
//其他情况报错,文档的改动监听器并没有建立
}
break;
default:
break;
}
//继续执行父类的其他按键弹起的事件
return super.onKeyUp(keyCode, event);
}
@Override
/*
*
*
* focusedViewFocusedtruefalse
direction
RectViewnull
*/
protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) {
if (mOnTextViewChangeListener != null) {
//若监听器已经建立
if (!focused && TextUtils.isEmpty(getText())) {
//获取到焦点并且文本不为空
mOnTextViewChangeListener.onTextChange(mIndex, false);
//mOnTextViewChangeListener子函数置false隐藏事件选项
} else {
mOnTextViewChangeListener.onTextChange(mIndex, true);
//mOnTextViewChangeListener子函数置true显示事件选项
}
}
//继续执行父类的其他焦点变化的事件
super.onFocusChanged(focused, direction, previouslyFocusedRect);
}
@Override
/*
*
*
*/
protected void onCreateContextMenu(ContextMenu menu) {
if (getText() instanceof Spanned) {
//有文本存在
int selStart = getSelectionStart();
int selEnd = getSelectionEnd();
//获取文本开始和结尾位置
int min = Math.min(selStart, selEnd);
int max = Math.max(selStart, selEnd);
//获取开始到结尾的最大值和最小值
final URLSpan[] urls = ((Spanned) getText()).getSpans(min, max, URLSpan.class);
//设置url的信息的范围值
if (urls.length == 1) {
int defaultResId = 0;
for(String schema: sSchemaActionResMap.keySet()) {
//获取计划表中所有的key值
if(urls[0].getURL().indexOf(schema) >= 0) {
//若url可以添加则在添加后将defaultResId置为key所映射的值
defaultResId = sSchemaActionResMap.get(schema);
break;
}
}
if (defaultResId == 0) {
//defaultResId == 0则说明url并没有添加任何东西所以置为连接其他SchemaActionResMap的值
defaultResId = R.string.note_link_other;
}
//建立菜单
menu.add(0, 0, 0, defaultResId).setOnMenuItemClickListener(
new OnMenuItemClickListener() {
//新建按键监听器
public boolean onMenuItemClick(MenuItem item) {
// goto a new intent
urls[0].onClick(NoteEditText.this);
//根据相应的文本设置菜单的按键
return true;
}
});
}
}
//继续执行父类的其他菜单创建的事件
super.onCreateContextMenu(menu);
}
}

@ -1,19 +1,3 @@
/*
* 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;
@ -41,7 +25,7 @@ public class NoteItemData {
NoteColumns.WIDGET_ID,
NoteColumns.WIDGET_TYPE,
};
//常量标记和数据就不一一标记了,意义翻译基本就知道
private static final int ID_COLUMN = 0;
private static final int ALERTED_DATE_COLUMN = 1;
private static final int BG_COLOR_ID_COLUMN = 2;
@ -75,8 +59,9 @@ public class NoteItemData {
private boolean mIsOnlyOneItem;
private boolean mIsOneNoteFollowingFolder;
private boolean mIsMultiNotesFollowingFolder;
//初始化NoteItemData主要利用光标cursor获取的东西
public NoteItemData(Context context, Cursor cursor) {
//getxxx为转换格式
mId = cursor.getLong(ID_COLUMN);
mAlertDate = cursor.getLong(ALERTED_DATE_COLUMN);
mBgColorId = cursor.getInt(BG_COLOR_ID_COLUMN);
@ -92,10 +77,11 @@ public class NoteItemData {
mWidgetId = cursor.getInt(WIDGET_ID_COLUMN);
mWidgetType = cursor.getInt(WIDGET_TYPE_COLUMN);
//初始化电话号码的信息
mPhoneNumber = "";
if (mParentId == Notes.ID_CALL_RECORD_FOLDER) {
mPhoneNumber = DataUtils.getCallNumberByNoteId(context.getContentResolver(), mId);
if (!TextUtils.isEmpty(mPhoneNumber)) {
if (!TextUtils.isEmpty(mPhoneNumber)) {//mphonenumber里有符合字符串则用contart功能连接
mName = Contact.getContact(context, mPhoneNumber);
if (mName == null) {
mName = mPhoneNumber;
@ -108,32 +94,35 @@ public class NoteItemData {
}
checkPostion(cursor);
}
///根据鼠标的位置设置标记,和位置
private void checkPostion(Cursor cursor) {
//初始化几个标记cursor具体功能笔记中已提到不一一叙述
mIsLastItem = cursor.isLast() ? true : false;
mIsFirstItem = cursor.isFirst() ? true : false;
mIsOnlyOneItem = (cursor.getCount() == 1);
//初始化“多重子文件”“单一子文件”2个标记
mIsMultiNotesFollowingFolder = false;
mIsOneNoteFollowingFolder = false;
if (mType == Notes.TYPE_NOTE && !mIsFirstItem) {
//主要是设置上诉2标记
if (mType == Notes.TYPE_NOTE && !mIsFirstItem) {//若是note格式并且不是第一个元素
int position = cursor.getPosition();
if (cursor.moveToPrevious()) {
if (cursor.moveToPrevious()) {//获取光标位置后看上一行
if (cursor.getInt(TYPE_COLUMN) == Notes.TYPE_FOLDER
|| cursor.getInt(TYPE_COLUMN) == Notes.TYPE_SYSTEM) {
|| cursor.getInt(TYPE_COLUMN) == Notes.TYPE_SYSTEM) {//若光标满足系统或note格式
if (cursor.getCount() > (position + 1)) {
mIsMultiNotesFollowingFolder = true;
mIsMultiNotesFollowingFolder = true;//若是数据行数大于但前位置+1则设置成正确
} else {
mIsOneNoteFollowingFolder = true;
mIsOneNoteFollowingFolder = true;//否则单一文件夹标记为true
}
}
if (!cursor.moveToNext()) {
if (!cursor.moveToNext()) {//若不能再往下走则报错
throw new IllegalStateException("cursor move to previous but can't move back");
}
}
}
}
///以下都是获取标记没什么好说的,不过倒数第二个需要说明下,很具体看下面
public boolean isOneFollowingFolder() {
return mIsOneNoteFollowingFolder;
}
@ -214,6 +203,7 @@ public class NoteItemData {
return (mAlertDate > 0);
}
//若数据父id为保存至文件夹模式的id且满足电话号码单元不为空则isCallRecord为true
public boolean isCallRecord() {
return (mParentId == Notes.ID_CALL_RECORD_FOLDER && !TextUtils.isEmpty(mPhoneNumber));
}

@ -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.ui;
import android.R.menu;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
@ -60,6 +43,7 @@ import android.widget.ListView;
import android.widget.PopupMenu;
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.NoteColumns;
@ -77,8 +61,12 @@ import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.HashSet;
public class NotesListActivity extends Activity implements OnClickListener, OnItemLongClickListener {
//主界面,一进入就是这个界面
/**
* @author k
*
*/
public class NotesListActivity extends Activity implements OnClickListener, OnItemLongClickListener { //没有用特定的标签加注释。。。感觉没有什么用
private static final int FOLDER_NOTE_LIST_QUERY_TOKEN = 0;
private static final int FOLDER_LIST_QUERY_TOKEN = 1;
@ -89,7 +77,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
private static final int MENU_FOLDER_CHANGE_NAME = 2;
private static final String PREFERENCE_ADD_INTRODUCTION = "net.micode.notes.introduction";
private static final String PREFERENCE_ADD_INTRODUCTION = "net.micode.notes.introduction"; //单行超过80个字符
private enum ListEditState {
NOTE_LIST, SUB_FOLDER, CALL_RECORD_FOLDER
@ -104,7 +92,6 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
private ListView mNotesListView;
private Button mAddNewNote;
private Button mMenuSet;
private boolean mDispatch;
@ -137,8 +124,13 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
private final static int REQUEST_CODE_NEW_NODE = 103;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// 创建类
protected void onCreate(final Bundle savedInstanceState) { //需要是final类型 根据程序上下文环境Java关键字final有“这是无法改变的”或者“终态的”含义它可以修饰非抽象类、非抽象类成员方法和变量。你可能出于两种理解而需要阻止改变设计或效率。
// final类不能被继承没有子类final类中的方法默认是final的。
//final方法不能被子类的方法覆盖但可以被继承。
//final成员变量表示常量只能被赋值一次赋值后值不再改变。
//final不能用于修饰构造方法。
super.onCreate(savedInstanceState); // 调用父类的onCreate函数
setContentView(R.layout.note_list);
initResources();
@ -149,26 +141,32 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
}
@Override
// 返回一些子模块完成的数据交给主Activity处理
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
// 结果值 和 要求值 符合要求
if (resultCode == RESULT_OK
&& (requestCode == REQUEST_CODE_OPEN_NODE || requestCode == REQUEST_CODE_NEW_NODE)) {
mNotesListAdapter.changeCursor(null);
} else {
super.onActivityResult(requestCode, resultCode, data);
// 调用 Activity 的onActivityResult
}
}
private void setAppInfoFromRawRes() {
// Android平台给我们提供了一个SharedPreferences类它是一个轻量级的存储类特别适合用于保存软件配置参数。
SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(this);
if (!sp.getBoolean(PREFERENCE_ADD_INTRODUCTION, false)) {
StringBuilder sb = new StringBuilder();
InputStream in = null;
try {
// 把资源文件放到应用程序的/raw/raw下那么就可以在应用中使用getResources获取资源后,
// 以openRawResource方法不带后缀的资源文件名打开这个文件。
in = getResources().openRawResource(R.raw.introduction);
if (in != null) {
InputStreamReader isr = new InputStreamReader(in);
BufferedReader br = new BufferedReader(isr);
char [] buf = new char[1024];
char [] buf = new char[1024]; // 自行定义的数值,使用者不知道有什么意义
int len = 0;
while ((len = br.read(buf)) > 0) {
sb.append(buf, 0, len);
@ -191,11 +189,13 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
}
}
// 创建空的WorkingNote
WorkingNote note = WorkingNote.createEmptyNote(this, Notes.ID_ROOT_FOLDER,
AppWidgetManager.INVALID_APPWIDGET_ID, Notes.TYPE_WIDGET_INVALIDE,
ResourceParser.RED);
note.setWorkingText(sb.toString());
if (note.saveNote()) {
// 更新保存note的信息
sp.edit().putBoolean(PREFERENCE_ADD_INTRODUCTION, true).commit();
} else {
Log.e(TAG, "Save introduction note error");
@ -210,21 +210,23 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
startAsyncNotesListQuery();
}
// 初始化资源
private void initResources() {
mContentResolver = this.getContentResolver();
mContentResolver = this.getContentResolver(); // 获取应用程序的数据,得到类似数据表的东西
mBackgroundQueryHandler = new BackgroundQueryHandler(this.getContentResolver());
mCurrentFolderId = Notes.ID_ROOT_FOLDER;
mNotesListView = (ListView) findViewById(R.id.notes_list);
// findViewById 是安卓编程的定位函数,主要是引用.R文件里的引用名
mNotesListView = (ListView) findViewById(R.id.notes_list); // 绑定XML中的ListView作为Item的容器
mNotesListView.addFooterView(LayoutInflater.from(this).inflate(R.layout.note_list_footer, null),
null, false);
mNotesListView.setOnItemClickListener(new OnListItemClickListener());
mNotesListView.setOnItemLongClickListener(this);
mNotesListAdapter = new NotesListAdapter(this);
mNotesListView.setAdapter(mNotesListAdapter);
mAddNewNote = (Button) findViewById(R.id.btn_new_note);
mAddNewNote = (Button) findViewById(R.id.btn_new_note);// 在activity中要获取该按钮
mAddNewNote.setOnClickListener(this);
mAddNewNote.setOnTouchListener(new NewNoteOnTouchListener());
mMenuSet = (Button) findViewById(R.id.btn_set);
mDispatch = false;
mDispatchY = 0;
mOriginY = 0;
@ -233,15 +235,14 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
mModeCallBack = new ModeCallback();
}
// 继承自ListView.MultiChoiceModeListener 和 OnMenuItemClickListener
private class ModeCallback implements ListView.MultiChoiceModeListener, OnMenuItemClickListener {
private DropdownMenu mDropDownMenu;
private ActionMode mActionMode;
private Menu menu;
private MenuItem mMoveMenu;
public boolean onCreateActionMode(ActionMode mode, Menu menu) {
getMenuInflater().inflate(R.menu.note_list_options, menu);
this.menu = menu;
menu.findItem(R.id.delete).setOnMenuItemClickListener(this);
mMoveMenu = menu.findItem(R.id.move);
if (mFocusNoteDataItem.getParentId() == Notes.ID_CALL_RECORD_FOLDER
@ -255,7 +256,6 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
mNotesListAdapter.setChoiceMode(true);
mNotesListView.setLongClickable(false);
mAddNewNote.setVisibility(View.GONE);
mMenuSet.setVisibility(View.GONE);
View customView = LayoutInflater.from(NotesListActivity.this).inflate(
R.layout.note_list_dropdown_menu, null);
@ -264,7 +264,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
(Button) customView.findViewById(R.id.selection_menu),
R.menu.note_list_dropdown);
mDropDownMenu.setOnDropdownMenuItemClickListener(new PopupMenu.OnMenuItemClickListener(){
public boolean onMenuItemClick(MenuItem item) {
public boolean onMenuItemClick(final MenuItem item) {
mNotesListAdapter.selectAll(!mNotesListAdapter.isAllSelected());
updateMenu();
return true;
@ -274,11 +274,12 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
return true;
}
// 更新菜单
private void updateMenu() {
int selectedCount = mNotesListAdapter.getSelectedCount();
// Update dropdown menu
String format = getResources().getString(R.string.menu_select_title, selectedCount);
mDropDownMenu.setTitle(format);
mDropDownMenu.setTitle(format); // 更改标题
MenuItem item = mDropDownMenu.findItem(R.id.action_select_all);
if (item != null) {
if (mNotesListAdapter.isAllSelected()) {
@ -303,37 +304,14 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
public void onDestroyActionMode(ActionMode mode) {
mNotesListAdapter.setChoiceMode(false);
mNotesListView.clearChoices();
mNotesListView.setItemChecked(0,true);
mNotesListView.setItemChecked(0,false);
mNotesListView.setLongClickable(true);
System.out.println("-----------------onDestroyActionMode------------------");
mNotesListAdapter.notifyDataSetChanged();
// closeOptionsMenu();
// mNotesListView.invalidate();
mAddNewNote.setVisibility(View.VISIBLE);
mMenuSet.setVisibility(View.VISIBLE);
// mNotesListView.setChoiceMode(ListView.CHOICE_MODE_NONE);
// menu.clear();
// menu.close();
}
public void finishActionMode() {
mActionMode.finish();
mActionMode = null;
mNotesListAdapter.setChoiceMode(false);
mNotesListView.setLongClickable(true);
}
public void onItemCheckedStateChanged(ActionMode mode, int position, long id,
boolean checked) {
mNotesListAdapter.setCheckedItem(position, checked);
@ -374,7 +352,6 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
}
}
private class NewNoteOnTouchListener implements OnTouchListener {
public boolean onTouch(View v, MotionEvent event) {
@ -395,7 +372,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
/**
* HACKME:When click the transparent part of "New Note" button, dispatch
* the event to the list view behind this button. The transparent part of
* "New Note" button could be expressed by formula y=-0.12x+94Unit:pixel
* "New Note" button could be expressed by formula y=-0.12x+94nit:pixel<EFBFBD>
* and the line top of the button. The coordinate based on left of the "New
* Note" button. The 94 represents maximum height of the transparent part.
* Notice that, if the background of the button changes, the formula should
@ -575,7 +552,6 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) {
mState = ListEditState.CALL_RECORD_FOLDER;
mAddNewNote.setVisibility(View.GONE);
mMenuSet.setVisibility(View.GONE);
} else {
mState = ListEditState.SUB_FOLDER;
}
@ -694,11 +670,12 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
});
}
/* (non-Javadoc)
* @see android.app.Activity#onBackPressed()
*
*/
@Override
public void onBackPressed() {
System.out.println("-------onBackPressed---00000");
switch (mState) {
public void onBackPressed() { switch (mState) {
case SUB_FOLDER:
mCurrentFolderId = Notes.ID_ROOT_FOLDER;
mState = ListEditState.NOTE_LIST;
@ -709,12 +686,10 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
mCurrentFolderId = Notes.ID_ROOT_FOLDER;
mState = ListEditState.NOTE_LIST;
mAddNewNote.setVisibility(View.VISIBLE);
mMenuSet.setVisibility(View.VISIBLE);
mTitleBar.setVisibility(View.GONE);
startAsyncNotesListQuery();
break;
case NOTE_LIST:
System.out.println("-------onBackPressed---");
super.onBackPressed();
break;
default:
@ -722,6 +697,11 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
}
}
/**
* @param appWidgetId
* @param appWidgetType
* widgetintent
*/
private void updateWidget(int appWidgetId, int appWidgetType) {
Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE);
if (appWidgetType == Notes.TYPE_WIDGET_2X) {
@ -741,6 +721,9 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
setResult(RESULT_OK, intent);
}
/**
*
*/
private final OnCreateContextMenuListener mFolderOnCreateContextMenuListener = new OnCreateContextMenuListener() {
public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
if (mFocusNoteDataItem != null) {
@ -760,6 +743,10 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
super.onContextMenuClosed(menu);
}
/* (non-Javadoc)
* @see android.app.Activity#onContextItemSelected(android.view.MenuItem)
* menu
*/
@Override
public boolean onContextItemSelected(MenuItem item) {
if (mFocusNoteDataItem == null) {
@ -768,10 +755,10 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
}
switch (item.getItemId()) {
case MENU_FOLDER_VIEW:
openFolder(mFocusNoteDataItem);
openFolder(mFocusNoteDataItem);//打开对应文件
break;
case MENU_FOLDER_DELETE:
AlertDialog.Builder builder = new AlertDialog.Builder(this);
AlertDialog.Builder builder = new AlertDialog.Builder(this);//设置确认是否删除的对话框
builder.setTitle(getString(R.string.alert_title_delete));
builder.setIcon(android.R.drawable.ic_dialog_alert);
builder.setMessage(getString(R.string.alert_message_delete_folder));
@ -782,7 +769,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
}
});
builder.setNegativeButton(android.R.string.cancel, null);
builder.show();
builder.show();//显示对话框
break;
case MENU_FOLDER_CHANGE_NAME:
showCreateOrModifyFolderDialog(false);
@ -852,12 +839,19 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
return true;
}
/* (non-Javadoc)
* @see android.app.Activity#onSearchRequested()
* startSearch
*/
@Override
public boolean onSearchRequested() {
startSearch(null, false, null /* appData */, false);
return true;
}
/**
* 便
*/
private void exportNoteToText() {
final BackupUtils backup = BackupUtils.getInstance(NotesListActivity.this);
new AsyncTask<Void, Void, Integer>() {
@ -900,16 +894,27 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
}.execute();
}
/**
* @return
*
*/
private boolean isSyncMode() {
return NotesPreferenceActivity.getSyncAccountName(this).trim().length() > 0;
}
/**
* PreferenceActivity
*/
private void startPreferenceActivity() {
Activity from = getParent() != null ? getParent() : this;
Intent intent = new Intent(from, NotesPreferenceActivity.class);
from.startActivityIfNeeded(intent, -1);
}
/**
* @author k
* 便
*/
private class OnListItemClickListener implements OnItemClickListener {
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
@ -951,6 +956,9 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
}
/**
*
*/
private void startQueryDestinationFolders() {
String selection = NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>? AND " + NoteColumns.ID + "<>?";
selection = (mState == ListEditState.NOTE_LIST) ? selection:
@ -969,6 +977,12 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
NoteColumns.MODIFIED_DATE + " DESC");
}
/* (non-Javadoc)
* @see android.widget.AdapterView.OnItemLongClickListener#onItemLongClick(android.widget.AdapterView, android.view.View, int, long)
*
* 便ActionModeContextMenu
* ActionMOdeContextMenu
*/
public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) {
if (view instanceof NotesListItem) {
mFocusNoteDataItem = ((NotesListItem) view).getItemData();
@ -985,8 +999,4 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
}
return false;
}
public void OnOpenMenu(View view) {
openOptionsMenu();
}
}

@ -1,19 +1,3 @@
/*
* 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;
@ -23,6 +7,7 @@ import android.view.View;
import android.view.ViewGroup;
import android.widget.CursorAdapter;
import net.micode.notes.data.Notes;
import java.util.Collection;
@ -31,55 +16,94 @@ import java.util.HashSet;
import java.util.Iterator;
/*
* 便CursorAdaptercursorListView
* NotesListAdapter便
*/
public class NotesListAdapter extends CursorAdapter {
private static final String TAG = "NotesListAdapter";
private Context mContext;
private HashMap<Integer, Boolean> mSelectedIndex;
private int mNotesCount;
private boolean mChoiceMode;
private int mNotesCount; //便签数
private boolean mChoiceMode; //选择模式标记
/*
* widget
*/
public static class AppWidgetAttribute {
public int widgetId;
public int widgetType;
};
/*
* 便
*
*/
public NotesListAdapter(Context context) {
super(context, null);
mSelectedIndex = new HashMap<Integer, Boolean>();
super(context, null); //父类对象置空
mSelectedIndex = new HashMap<Integer, Boolean>(); //新建选项下标的hash表
mContext = context;
mNotesCount = 0;
}
@Override
/*
*
* 使NotesListItem
*/
public View newView(Context context, Cursor cursor, ViewGroup parent) {
return new NotesListItem(context);
}
/*
*
*
*/
@Override
public void bindView(View view, Context context, Cursor cursor) {
if (view instanceof NotesListItem) {
//若view是NotesListItem的一个实例
NoteItemData itemData = new NoteItemData(context, cursor);
((NotesListItem) view).bind(context, itemData, mChoiceMode,
isSelectedItem(cursor.getPosition()));
//则新建一个项目选项并且用bind跟将view和鼠标内容便签数据捆绑在一起
}
}
/*
*
*
*/
public void setCheckedItem(final int position, final boolean checked) {
mSelectedIndex.put(position, checked);
//根据定位和是否勾选设置下标
notifyDataSetChanged();
//在修改后刷新activity
}
/*
*
*/
public boolean isInChoiceMode() {
return mChoiceMode;
}
/*
*
* mode
*/
public void setChoiceMode(boolean mode) {
mSelectedIndex.clear();
mChoiceMode = mode;
}
/*
*
*
*/
public void selectAll(boolean checked) {
Cursor cursor = getCursor();
//获取光标位置
for (int i = 0; i < getCount(); i++) {
if (cursor.moveToPosition(i)) {
if (NoteItemData.getNoteType(cursor) == Notes.TYPE_NOTE) {
@ -87,30 +111,47 @@ public class NotesListAdapter extends CursorAdapter {
}
}
}
//遍历所有光标可用的位置在判断为便签类型之后勾选单项框
}
/*
*
*
*/
public HashSet<Long> getSelectedItemIds() {
HashSet<Long> itemSet = new HashSet<Long>();
//建立hash表
for (Integer position : mSelectedIndex.keySet()) {
//遍历所有的关键
if (mSelectedIndex.get(position) == true) {
//若光标位置可用
Long id = getItemId(position);
if (id == Notes.ID_ROOT_FOLDER) {
//原文件不需要添加
Log.d(TAG, "Wrong item id, should not happen");
} else {
itemSet.add(id);
}
//则将id该下标假如选项集合中
}
}
return itemSet;
}
/*
* Widget
*
*/
public HashSet<AppWidgetAttribute> getSelectedWidget() {
HashSet<AppWidgetAttribute> itemSet = new HashSet<AppWidgetAttribute>();
for (Integer position : mSelectedIndex.keySet()) {
if (mSelectedIndex.get(position) == true) {
Cursor c = (Cursor) getItem(position);
//以上4句和getSelectedItemIds一样不再重复
if (c != null) {
//光标位置可用的话就建立新的Widget属性并编辑下标和类型最后添加到选项集中
AppWidgetAttribute widget = new AppWidgetAttribute();
NoteItemData item = new NoteItemData(mContext, c);
widget.widgetId = item.getWidgetId();
@ -128,26 +169,42 @@ public class NotesListAdapter extends CursorAdapter {
return itemSet;
}
/*
*
*
*/
public int getSelectedCount() {
Collection<Boolean> values = mSelectedIndex.values();
//首先获取选项下标的值
if (null == values) {
return 0;
}
Iterator<Boolean> iter = values.iterator();
//初始化叠加器
int count = 0;
while (iter.hasNext()) {
if (true == iter.next()) {
//若value值为真计数+1
count++;
}
}
return count;
}
/*
*
*
*/
public boolean isAllSelected() {
int checkedCount = getSelectedCount();
return (checkedCount != 0 && checkedCount == mNotesCount);
//获取选项数看是否等于便签的个数
}
/*
*
*
*/
public boolean isSelectedItem(final int position) {
if (null == mSelectedIndex.get(position)) {
return false;
@ -156,29 +213,45 @@ public class NotesListAdapter extends CursorAdapter {
}
@Override
/*
* activity便
*
*/
protected void onContentChanged() {
super.onContentChanged();
//执行基类函数
calcNotesCount();
}
@Override
/*
* activity便
*/
public void changeCursor(Cursor cursor) {
super.changeCursor(cursor);
//执行基类函数
calcNotesCount();
}
/*
* 便
*
*/
private void calcNotesCount() {
mNotesCount = 0;
for (int i = 0; i < getCount(); i++) {
//获取总数同时遍历
Cursor c = (Cursor) getItem(i);
if (c != null) {
if (NoteItemData.getNoteType(c) == Notes.TYPE_NOTE) {
mNotesCount++;
//若该位置不为空并且文本类型为便签就+1
}
} else {
Log.e(TAG, "Invalid cursor");
return;
}
//否则报错
}
}
}

@ -1,19 +1,3 @@
/*
* 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;
@ -30,37 +14,43 @@ import net.micode.notes.tool.DataUtils;
import net.micode.notes.tool.ResourceParser.NoteItemBgResources;
//创建便签列表项目选项
public class NotesListItem extends LinearLayout {
private ImageView mAlert;
private TextView mTitle;
private TextView mTime;
private TextView mCallName;
private NoteItemData mItemData;
private CheckBox mCheckBox;
private ImageView mAlert;//闹钟图片
private TextView mTitle; //标题
private TextView mTime; //时间
private TextView mCallName; //
private NoteItemData mItemData; //标签数据
private CheckBox mCheckBox; //打钩框
/*初始化基本信息*/
public NotesListItem(Context context) {
super(context);
inflate(context, R.layout.note_item, this);
super(context); //super()它的主要作用是调整调用父类构造函数的顺序
inflate(context, R.layout.note_item, this);//Inflate可用于将一个xml中定义的布局控件找出来,这里的xml是r。layout
//findViewById用于从contentView中查找指定ID的View转换出来的形式根据需要而定;
mAlert = (ImageView) findViewById(R.id.iv_alert_icon);
mTitle = (TextView) findViewById(R.id.tv_title);
mTime = (TextView) findViewById(R.id.tv_time);
mCallName = (TextView) findViewById(R.id.tv_name);
mCheckBox = (CheckBox) findViewById(android.R.id.checkbox);
}
///根据data的属性对各个控件的属性的控制主要是可见性Visibility内容setText格式setTextAppearance
public void bind(Context context, NoteItemData data, boolean choiceMode, boolean checked) {
if (choiceMode && data.getType() == Notes.TYPE_NOTE) {
mCheckBox.setVisibility(View.VISIBLE);
mCheckBox.setChecked(checked);
mCheckBox.setVisibility(View.VISIBLE); ///设置可见行为可见
mCheckBox.setChecked(checked); ///格子打钩
} else {
mCheckBox.setVisibility(View.GONE);
}
mItemData = data;
///设置控件属性一共三种情况由data的id和父id是否与保存到文件夹的id一致来决定
if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) {
mCallName.setVisibility(View.GONE);
mAlert.setVisibility(View.VISIBLE);
//设置该textview的style
mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem);
//settext为设置内容
mTitle.setText(context.getString(R.string.call_record_folder_name)
+ context.getString(R.string.format_folder_files_count, data.getNotesCount()));
mAlert.setImageResource(R.drawable.call_record);
@ -69,8 +59,9 @@ public class NotesListItem extends LinearLayout {
mCallName.setText(data.getCallName());
mTitle.setTextAppearance(context,R.style.TextAppearanceSecondaryItem);
mTitle.setText(DataUtils.getFormattedSnippet(data.getSnippet()));
///关于闹钟的设置
if (data.hasAlert()) {
mAlert.setImageResource(R.drawable.clock);
mAlert.setImageResource(R.drawable.clock);//图片来源的设置
mAlert.setVisibility(View.VISIBLE);
} else {
mAlert.setVisibility(View.GONE);
@ -78,7 +69,7 @@ public class NotesListItem extends LinearLayout {
} else {
mCallName.setVisibility(View.GONE);
mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem);
///设置title格式
if (data.getType() == Notes.TYPE_FOLDER) {
mTitle.setText(data.getSnippet()
+ context.getString(R.string.format_folder_files_count,
@ -87,35 +78,38 @@ public class NotesListItem extends LinearLayout {
} else {
mTitle.setText(DataUtils.getFormattedSnippet(data.getSnippet()));
if (data.hasAlert()) {
mAlert.setImageResource(R.drawable.clock);
mAlert.setImageResource(R.drawable.clock);///设置图片来源
mAlert.setVisibility(View.VISIBLE);
} else {
mAlert.setVisibility(View.GONE);
}
}
}
///设置内容获取相关时间从data里编辑的日期中获取
mTime. setText(DateUtils.getRelativeTimeSpanString(data.getModifiedDate()));
setBackground(data);
}
//根据data的文件属性来设置背景
private void setBackground(NoteItemData data) {
int id = data.getBgColorId();
//若是note型文件则4种情况对于4种不同情况的背景来源
if (data.getType() == Notes.TYPE_NOTE) {
//单个数据并且只有一个子文件夹
if (data.isSingle() || data.isOneFollowingFolder()) {
setBackgroundResource(NoteItemBgResources.getNoteBgSingleRes(id));
} else if (data.isLast()) {
} else if (data.isLast()) {//是最后一个数据
setBackgroundResource(NoteItemBgResources.getNoteBgLastRes(id));
} else if (data.isFirst() || data.isMultiFollowingFolder()) {
} else if (data.isFirst() || data.isMultiFollowingFolder()) {//是一个数据并有多个子文件夹
setBackgroundResource(NoteItemBgResources.getNoteBgFirstRes(id));
} else {
setBackgroundResource(NoteItemBgResources.getNoteBgNormalRes(id));
}
} else {
//若不是note直接调用文件夹的背景来源
setBackgroundResource(NoteItemBgResources.getFolderBgRes());
}
}
public NoteItemData getItemData() {
return mItemData;
}

@ -1,19 +1,3 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.micode.notes.ui;
import android.accounts.Account;
@ -47,66 +31,92 @@ import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.gtask.remote.GTaskSyncService;
/*
*NotesPreferenceActivity便
* PreferenceActivityActivity
*/
public class NotesPreferenceActivity extends PreferenceActivity {
public static final String PREFERENCE_NAME = "notes_preferences";
//优先名
public static final String PREFERENCE_SYNC_ACCOUNT_NAME = "pref_key_account_name";
//同步账号
public static final String PREFERENCE_LAST_SYNC_TIME = "pref_last_sync_time";
//同步时间
public static final String PREFERENCE_SET_BG_COLOR_KEY = "pref_key_bg_random_appear";
private static final String PREFERENCE_SYNC_ACCOUNT_KEY = "pref_sync_account_key";
//同步密码
private static final String AUTHORITIES_FILTER_KEY = "authorities";
//本地密码
private PreferenceCategory mAccountCategory;
//账户分组
private GTaskReceiver mReceiver;
//同步任务接收器
private Account[] mOriAccounts;
//账户
private boolean mHasAddedAccount;
//账户的hash标记
@Override
/*
*activity
*Bundle icicle activity
*
*/
protected void onCreate(Bundle icicle) {
//先执行父类的创建函数
super.onCreate(icicle);
/* using the app icon for navigation */
getActionBar().setDisplayHomeAsUpEnabled(true);
//给左上角图标的左边加上一个返回的图标
addPreferencesFromResource(R.xml.preferences);
//添加xml来源并显示 xml
mAccountCategory = (PreferenceCategory) findPreference(PREFERENCE_SYNC_ACCOUNT_KEY);
//根据同步账户关键码来初始化分组
mReceiver = new GTaskReceiver();
IntentFilter filter = new IntentFilter();
filter.addAction(GTaskSyncService.GTASK_SERVICE_BROADCAST_NAME);
registerReceiver(mReceiver, filter);
//初始化同步组件
mOriAccounts = null;
View header = LayoutInflater.from(this).inflate(R.layout.settings_header, null);
//获取listvivewListView的作用:用于列出所有选择
getListView().addHeaderView(header, null, true);
//在listview组件上方添加其他组件
}
@Override
/*
* activity
*
*/
protected void onResume() {
//先执行父类 的交互实现
super.onResume();
// need to set sync account automatically if user has added a new
// account
if (mHasAddedAccount) {
//若用户新加了账户则自动设置同步账户
Account[] accounts = getGoogleAccounts();
//获取google同步账户
if (mOriAccounts != null && accounts.length > mOriAccounts.length) {
//若原账户不为空且当前账户有增加
for (Account accountNew : accounts) {
boolean found = false;
for (Account accountOld : mOriAccounts) {
if (TextUtils.equals(accountOld.name, accountNew.name)) {
//更新账户
found = true;
break;
}
}
if (!found) {
setSyncAccount(accountNew.name);
//若是没有找到旧的账户,那么同步账号中就只添加新账户
break;
}
}
@ -114,35 +124,52 @@ public class NotesPreferenceActivity extends PreferenceActivity {
}
refreshUI();
//刷新标签界面
}
@Override
/*
* activity
*
*/
protected void onDestroy() {
if (mReceiver != null) {
unregisterReceiver(mReceiver);
//注销接收器
}
super.onDestroy();
//执行父类的销毁动作
}
/*
*
*
*/
private void loadAccountPreference() {
mAccountCategory.removeAll();
//销毁所有的分组
Preference accountPref = new Preference(this);
//建立首选项
final String defaultAccount = getSyncAccountName(this);
accountPref.setTitle(getString(R.string.preferences_account_title));
accountPref.setSummary(getString(R.string.preferences_account_summary));
//设置首选项的大标题和小标题
accountPref.setOnPreferenceClickListener(new OnPreferenceClickListener() {
public boolean onPreferenceClick(Preference preference) {
//建立监听器
if (!GTaskSyncService.isSyncing()) {
if (TextUtils.isEmpty(defaultAccount)) {
// the first time to set account
//若是第一次建立账户显示选择账户提示对话框
showSelectAccountAlertDialog();
} else {
// if the account has already been set, we need to promp
// user about the risk
//若是已经建立则显示修改对话框并进行修改操作
showChangeAccountConfirmAlertDialog();
}
} else {
//若在没有同步的情况下则在toast中显示不能修改
Toast.makeText(NotesPreferenceActivity.this,
R.string.preferences_toast_cannot_change_account, Toast.LENGTH_SHORT)
.show();
@ -151,21 +178,29 @@ public class NotesPreferenceActivity extends PreferenceActivity {
}
});
//根据新建首选项编辑新的账户分组
mAccountCategory.addPreference(accountPref);
}
/*
*
*
*/
private void loadSyncButton() {
Button syncButton = (Button) findViewById(R.id.preference_sync_button);
TextView lastSyncTimeView = (TextView) findViewById(R.id.prefenerece_sync_status_textview);
//获取同步按钮控件和最终同步时间的的窗口
// set button state
//设置按钮的状态
if (GTaskSyncService.isSyncing()) {
//若是在同步状态下
syncButton.setText(getString(R.string.preferences_button_sync_cancel));
syncButton.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
GTaskSyncService.cancelSync(NotesPreferenceActivity.this);
}
});
//设置按钮显示的文本为“取消同步”以及监听器
} else {
syncButton.setText(getString(R.string.preferences_button_sync_immediately));
syncButton.setOnClickListener(new View.OnClickListener() {
@ -173,50 +208,67 @@ public class NotesPreferenceActivity extends PreferenceActivity {
GTaskSyncService.startSync(NotesPreferenceActivity.this);
}
});
//若是不同步则设置按钮显示的文本为“立即同步”以及对应监听器
}
syncButton.setEnabled(!TextUtils.isEmpty(getSyncAccountName(this)));
//设置按键可用还是不可用
// set last sync time
// 设置最终同步时间
if (GTaskSyncService.isSyncing()) {
//若是在同步的情况下
lastSyncTimeView.setText(GTaskSyncService.getProgressString());
lastSyncTimeView.setVisibility(View.VISIBLE);
// 根据当前同步服务器设置时间显示框的文本以及可见性
} else {
//若是非同步情况
long lastSyncTime = getLastSyncTime(this);
if (lastSyncTime != 0) {
lastSyncTimeView.setText(getString(R.string.preferences_last_sync_time,
DateFormat.format(getString(R.string.preferences_last_sync_time_format),
lastSyncTime)));
lastSyncTimeView.setVisibility(View.VISIBLE);
//则根据最后同步时间的信息来编辑时间显示框的文本内容和可见性
} else {
//若时间为空直接设置为不可见状态
lastSyncTimeView.setVisibility(View.GONE);
}
}
}
/*
*
*
*/
private void refreshUI() {
loadAccountPreference();
loadSyncButton();
}
/*
*
*
*/
private void showSelectAccountAlertDialog() {
AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this);
//创建一个新的对话框
View titleView = LayoutInflater.from(this).inflate(R.layout.account_dialog_title, null);
TextView titleTextView = (TextView) titleView.findViewById(R.id.account_dialog_title);
titleTextView.setText(getString(R.string.preferences_dialog_select_account_title));
TextView subtitleTextView = (TextView) titleView.findViewById(R.id.account_dialog_subtitle);
subtitleTextView.setText(getString(R.string.preferences_dialog_select_account_tips));
//设置标题以及子标题的内容
dialogBuilder.setCustomTitle(titleView);
dialogBuilder.setPositiveButton(null, null);
//设置对话框的自定义标题建立一个YES的按钮
Account[] accounts = getGoogleAccounts();
String defAccount = getSyncAccountName(this);
//获取同步账户信息
mOriAccounts = accounts;
mHasAddedAccount = false;
if (accounts.length > 0) {
//若账户不为空
CharSequence[] items = new CharSequence[accounts.length];
final CharSequence[] itemMapping = items;
int checkedItem = -1;
@ -224,83 +276,119 @@ public class NotesPreferenceActivity extends PreferenceActivity {
for (Account account : accounts) {
if (TextUtils.equals(account.name, defAccount)) {
checkedItem = index;
//在账户列表中查询到所需账户
}
items[index++] = account.name;
}
dialogBuilder.setSingleChoiceItems(items, checkedItem,
//在对话框建立一个单选的复选框
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
setSyncAccount(itemMapping[which].toString());
dialog.dismiss();
//取消对话框
refreshUI();
}
//设置点击后执行的事件,包括检录新同步账户和刷新标签界面
});
//建立对话框网络版的监听器
}
View addAccountView = LayoutInflater.from(this).inflate(R.layout.add_account_text, null);
dialogBuilder.setView(addAccountView);
//给新加账户对话框设置自定义样式
final AlertDialog dialog = dialogBuilder.show();
//显示对话框
addAccountView.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
mHasAddedAccount = true;
//将新加账户的hash置true
Intent intent = new Intent("android.settings.ADD_ACCOUNT_SETTINGS");
//建立网络建立组件
intent.putExtra(AUTHORITIES_FILTER_KEY, new String[] {
"gmail-ls"
});
startActivityForResult(intent, -1);
//跳回上一个选项
dialog.dismiss();
}
});
//建立新加账户对话框的监听器
}
/*
*
*
*/
private void showChangeAccountConfirmAlertDialog() {
AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this);
//创建一个新的对话框
View titleView = LayoutInflater.from(this).inflate(R.layout.account_dialog_title, null);
TextView titleTextView = (TextView) titleView.findViewById(R.id.account_dialog_title);
titleTextView.setText(getString(R.string.preferences_dialog_change_account_title,
getSyncAccountName(this)));
TextView subtitleTextView = (TextView) titleView.findViewById(R.id.account_dialog_subtitle);
subtitleTextView.setText(getString(R.string.preferences_dialog_change_account_warn_msg));
//根据同步修改的账户信息设置标题以及子标题的内容
dialogBuilder.setCustomTitle(titleView);
//设置对话框的自定义标题
CharSequence[] menuItemArray = new CharSequence[] {
getString(R.string.preferences_menu_change_account),
getString(R.string.preferences_menu_remove_account),
getString(R.string.preferences_menu_cancel)
};
//定义一些标记字符串
dialogBuilder.setItems(menuItemArray, new DialogInterface.OnClickListener() {
//设置对话框要显示的一个list用于显示几个命令时,即changeremovecancel
public void onClick(DialogInterface dialog, int which) {
//按键功能由which来决定
if (which == 0) {
//进入账户选择对话框
showSelectAccountAlertDialog();
} else if (which == 1) {
//删除账户并且跟新便签界面
removeSyncAccount();
refreshUI();
}
}
});
dialogBuilder.show();
//显示对话框
}
/*
*
*
*/
private Account[] getGoogleAccounts() {
AccountManager accountManager = AccountManager.get(this);
return accountManager.getAccountsByType("com.google");
}
/*
*
*
*/
private void setSyncAccount(String account) {
if (!getSyncAccountName(this).equals(account)) {
//假如该账号不在同步账号列表中
SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE);
SharedPreferences.Editor editor = settings.edit();
//编辑共享的首选项
if (account != null) {
editor.putString(PREFERENCE_SYNC_ACCOUNT_NAME, account);
} else {
editor.putString(PREFERENCE_SYNC_ACCOUNT_NAME, "");
}
//将该账号加入到首选项中
editor.commit();
//提交修改的数据
// clean up last sync time
setLastSyncTime(this, 0);
//将最后同步时间清零
// clean up local gtask related info
new Thread(new Runnable() {
@ -311,23 +399,33 @@ public class NotesPreferenceActivity extends PreferenceActivity {
getContentResolver().update(Notes.CONTENT_NOTE_URI, values, null, null);
}
}).start();
//重置当地同步任务的信息
Toast.makeText(NotesPreferenceActivity.this,
getString(R.string.preferences_toast_success_set_accout, account),
Toast.LENGTH_SHORT).show();
//将toast的文本信息置为“设置账户成功”并显示出来
}
}
/*
*
*
*/
private void removeSyncAccount() {
SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE);
SharedPreferences.Editor editor = settings.edit();
//设置共享首选项
if (settings.contains(PREFERENCE_SYNC_ACCOUNT_NAME)) {
editor.remove(PREFERENCE_SYNC_ACCOUNT_NAME);
//假如当前首选项中有账户就删除
}
if (settings.contains(PREFERENCE_LAST_SYNC_TIME)) {
editor.remove(PREFERENCE_LAST_SYNC_TIME);
//删除当前首选项中有账户时间
}
editor.commit();
//提交更新后的数据
// clean up local gtask related info
new Thread(new Runnable() {
@ -338,51 +436,79 @@ public class NotesPreferenceActivity extends PreferenceActivity {
getContentResolver().update(Notes.CONTENT_NOTE_URI, values, null, null);
}
}).start();
//重置当地同步任务的信息
}
/*
*
*
*/
public static String getSyncAccountName(Context context) {
SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
Context.MODE_PRIVATE);
return settings.getString(PREFERENCE_SYNC_ACCOUNT_NAME, "");
}
/*
*
*
*/
public static void setLastSyncTime(Context context, long time) {
SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
Context.MODE_PRIVATE);
SharedPreferences.Editor editor = settings.edit();
// 从共享首选项中找到相关账户并获取其编辑器
editor.putLong(PREFERENCE_LAST_SYNC_TIME, time);
editor.commit();
//编辑最终同步时间并提交更新
}
/*
*
*
*/
public static long getLastSyncTime(Context context) {
SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
Context.MODE_PRIVATE);
return settings.getLong(PREFERENCE_LAST_SYNC_TIME, 0);
}
/*
*
* BroadcastReceiver
*/
private class GTaskReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
refreshUI();
if (intent.getBooleanExtra(GTaskSyncService.GTASK_SERVICE_BROADCAST_IS_SYNCING, false)) {
//获取随广播而来的Intent中的同步服务的数据
TextView syncStatus = (TextView) findViewById(R.id.prefenerece_sync_status_textview);
syncStatus.setText(intent
.getStringExtra(GTaskSyncService.GTASK_SERVICE_BROADCAST_PROGRESS_MSG));
//通过获取的数据在设置系统的状态
}
}
}
/*
*
*
* :MenuItem
*/
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
//根据选项的id选择这里只有一个主页
case android.R.id.home:
Intent intent = new Intent(this, NotesListActivity.class);
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
startActivity(intent);
return true;
//在主页情况下在创建连接组件intent发出清空的信号并开始一个相应的activity
default:
return false;
}
}
}
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