对FoldersListAdapter.java进行阅读理解以及添加注释

Signed-off-by: qianji <1535486312@qq.com>

Notes-master1/.idea/sonarlint/issuestore/2/b/2bfc771e07e87c37d3a76a2c815bc8fb30649798

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8î–’¦<E28099>1
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+java:S3923P"]This conditional operation returns the same value whether the condition is "true" or "false".(Ýç®Üÿÿÿÿÿ
8õ–’¦<E28099>1
+W
+java:S1874P"5Remove this use of "FORMAT_24HOUR"; it is deprecated.(Ýç®Üÿÿÿÿÿ
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+java:S1874P"5Remove this use of "FORMAT_24HOUR"; it is deprecated.(Ýç®Üÿÿÿÿÿ
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Notes-master1/.idea/sonarlint/issuestore/3/2/32360bf24febc78f20db52498c7576b3d8650d56

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Notes-master1/.idea/sonarlint/issuestore/5/0/503adcf2a0be1ecdb94a15efba4433b6589877b9

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Notes-master1/.idea/sonarlint/issuestore/5/7/577f30d26378ec8a2bd2e4a43f3c79b3f04c402c

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+K
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+N
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+U
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+T
+java:S1874Ñ"=Remove this use of "EXTRA_SHORTCUT_INTENT"; it is deprecated.(·Ã°Ÿ
+R
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+java:S1874Ô"DRemove this use of "EXTRA_SHORTCUT_ICON_RESOURCE"; it is deprecated.(§éǾ

Notes-master1/.idea/sonarlint/issuestore/6/c/6cbf8bd9aa98eff862b1dc067330ba66ba4493aa

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Notes-master1/.idea/sonarlint/issuestore/a/4/a446c87b1013132f8adaf83656b582028e8809af

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+d	java:S100˜"NRename this method name to match the regular expression '^[a-z][a-zA-Z0-9]*$'.(Ôœ¯£
+[
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+java:S2147Ú"ECombine this catch with the one at line 344, which has the same body.(ï­£Ä
+]	java:S899Õ"BDo something with the "boolean" value returned by "createNewFile".(ôÃáæüÿÿÿÿ

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Notes-master1/.idea/sonarlint/issuestore/a/d/ad72331a1bed265bb9c0fe838faa74dbf69fce32

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Notes-master1/.idea/sonarlint/issuestore/d/1/d1cc822fa9d783a8d4563bf6e139b7ae10de2fb1

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Notes-master1/app/src/main/java/net/micode/notes/ui/FoldersListAdapter.java

@@ -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
-    };
+            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;
@@ -41,34 +29,38 @@ 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) {
         if (view instanceof FolderListItem) {
+            //instanceof 是 Java 的保留关键字。它的作用是测试它左边的对象是否是它右边的类的实例，返回 boolean 的数据类型
             String folderName = (cursor.getLong(ID_COLUMN) == Notes.ID_ROOT_FOLDER) ? context
                     .getString(R.string.menu_move_parent_folder) : cursor.getString(NAME_COLUMN);
             ((FolderListItem) view).bind(folderName);
         }
-    }
+    }//将各个布局文件绑定起来
 
     public String getFolderName(Context context, int position) {
         Cursor cursor = (Cursor) getItem(position);
         return (cursor.getLong(ID_COLUMN) == Notes.ID_ROOT_FOLDER) ? context
                 .getString(R.string.menu_move_parent_folder) : cursor.getString(NAME_COLUMN);
-    }
+    }//根据数据库中标签的ID得到标签的各项内容
 
     private class FolderListItem extends LinearLayout {
         private TextView mName;
 
         public FolderListItem(Context context) {
             super(context);
+            //操作数据库
             inflate(context, R.layout.folder_list_item, this);
+            //根据布局文件的名字等信息将其找出来
             mName = (TextView) findViewById(R.id.tv_folder_name);
         }