Merge branch 'dev' of https://bdgit.educoder.net/p2whvruqn/gitProject1 into dev

src/Notes-master/app/src/main/java/net/micode/notes/ui/NoteItemData.java

@@ -24,7 +24,7 @@ import net.micode.notes.data.Contact;
 import net.micode.notes.data.Notes;
 import net.micode.notes.data.Notes.NoteColumns;
 import net.micode.notes.tool.DataUtils;
-
+//上面代码导入了一些类
 
 public class NoteItemData {
     static final String [] PROJECTION = new String [] {
@@ -42,6 +42,7 @@ public class NoteItemData {
         NoteColumns.WIDGET_TYPE,
     };
 
+    //根据英文翻译理解
     private static final int ID_COLUMN                    = 0;
     private static final int ALERTED_DATE_COLUMN          = 1;
     private static final int BG_COLOR_ID_COLUMN           = 2;
@@ -76,7 +77,9 @@ public class NoteItemData {
     private boolean mIsOneNoteFollowingFolder;
     private boolean mIsMultiNotesFollowingFolder;
 
+    //初始化
     public NoteItemData(Context context, Cursor cursor) {
+        //获取属性值
         mId = cursor.getLong(ID_COLUMN);
         mAlertDate = cursor.getLong(ALERTED_DATE_COLUMN);
         mBgColorId = cursor.getInt(BG_COLOR_ID_COLUMN);
@@ -92,10 +95,11 @@ public class NoteItemData {
         mWidgetId = cursor.getInt(WIDGET_ID_COLUMN);
         mWidgetType = cursor.getInt(WIDGET_TYPE_COLUMN);
 
+        //初始化电话号码信息
         mPhoneNumber = "";
-        if (mParentId == Notes.ID_CALL_RECORD_FOLDER) {
+        if (mParentId == Notes.ID_CALL_RECORD_FOLDER) {//如果nParentId等于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;
@@ -106,28 +110,33 @@ public class NoteItemData {
         if (mName == null) {
             mName = "";
         }
+        //检查光标位置
         checkPostion(cursor);
     }
 
     private void checkPostion(Cursor cursor) {
+        //检查当前行是否是最后一行是就设置mIsLastItem为true反之为false
         mIsLastItem = cursor.isLast() ? true : false;
+        //检查当前行是否是第一行是就设置mIsFirstItem为true反之为false
         mIsFirstItem = cursor.isFirst() ? true : false;
+        //检查是否是唯一一行
         mIsOnlyOneItem = (cursor.getCount() == 1);
         mIsMultiNotesFollowingFolder = false;
         mIsOneNoteFollowingFolder = false;
 
-        if (mType == Notes.TYPE_NOTE && !mIsFirstItem) {
+        if (mType == Notes.TYPE_NOTE && !mIsFirstItem) { //检查当前项是否为note而且不是第一行
+            //获取当前行位置赋值给position
             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)) {
+                    if (cursor.getCount() > (position + 1)) {//如果行数大于位置+1则设置为true 表示是否为文件夹或系统类型后面的多行
                         mIsMultiNotesFollowingFolder = true;
-                    } else {
+                    } else { //否则设置mIsOneNoteFollowingFolder为true 表示当前行是文件夹或系统类型后面的唯一一行
                         mIsOneNoteFollowingFolder = true;
                     }
                 }
-                if (!cursor.moveToNext()) {
+                if (!cursor.moveToNext()) { //如果光标不能移动到下一行，则输出“移回先前位置但移动失败”
                     throw new IllegalStateException("cursor move to previous but can't move back");
                 }
             }
@@ -214,6 +223,8 @@ 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));
     }