src/Notes-master/.gradle/7.5/checksums/checksums.lock

src/Notes-master/app/src/main/java/net/micode/notes/model/Note.java

@@ -14,48 +14,54 @@
  * limitations under the License.
  */
 
-package net.micode.notes.model;
-import android.content.ContentProviderOperation;
-import android.content.ContentProviderResult;
-import android.content.ContentUris;
-import android.content.ContentValues;
-import android.content.Context;
-import android.content.OperationApplicationException;
-import android.net.Uri;
-import android.os.RemoteException;
-import android.util.Log;
-
+package net.micode.notes.model;//创建一个包，用于区别类名的命名空间
+import android.content.ContentProviderOperation;//批量的更新、插入、删除数据。
+import android.content.ContentProviderResult;//操作的结果
+import android.content.ContentUris;//用于添加和获取Uri后面的ID
+import android.content.ContentValues;//一种用来存储基本数据类型数据的存储机制
+import android.content.Context;//需要用该类来弄清楚调用者的实例
+import android.content.OperationApplicationException;//操作应用程序容错
+import android.net.Uri;//表示待操作的数据
+import android.os.RemoteException;//远程容错
+import android.util.Log;//输出日志，比如说出错、警告等
+
+//引入其余包
 import net.micode.notes.data.Notes;
 import net.micode.notes.data.Notes.CallNote;
 import net.micode.notes.data.Notes.DataColumns;
 import net.micode.notes.data.Notes.NoteColumns;
 import net.micode.notes.data.Notes.TextNote;
 
-import java.util.ArrayList;
+import java.util.ArrayList;//系统的自带的可变数组的类
 
 
 public class Note {
     private ContentValues mNoteDiffValues;
     private NoteData mNoteData;
+    //mNoteDiffValues和mNoteData
+
     private static final String TAG = "Note";
     /**
      * Create a new note id for adding a new note to databases
+     * 创建一个新的笔记id为了加入将一个新的笔记加入数据库
      */
     public static synchronized long getNewNoteId(Context context, long folderId) {
         // Create a new note in the database
+        // 在数据库中加入一个新的笔记
         ContentValues values = new ContentValues();
-        long createdTime = System.currentTimeMillis();
-        values.put(NoteColumns.CREATED_DATE, createdTime);
-        values.put(NoteColumns.MODIFIED_DATE, createdTime);
-        values.put(NoteColumns.TYPE, Notes.TYPE_NOTE);
-        values.put(NoteColumns.LOCAL_MODIFIED, 1);
-        values.put(NoteColumns.PARENT_ID, folderId);
+        long createdTime = System.currentTimeMillis();//创建一个变量记录创建的时间
+        values.put(NoteColumns.CREATED_DATE, createdTime);//将创建日期的值付给 CREATED_DATE创建时间
+        values.put(NoteColumns.MODIFIED_DATE, createdTime);//将创建日期的值付给 MODIFIED_DATE修改时间
+        values.put(NoteColumns.TYPE, Notes.TYPE_NOTE);//把type的值赋为0
+        values.put(NoteColumns.LOCAL_MODIFIED, 1);//把LOCAL_MODIFIED 本地修改 的值赋为1
+        values.put(NoteColumns.PARENT_ID, folderId);//把文件夹id赋给PARENT_ID 父类id
         Uri uri = context.getContentResolver().insert(Notes.CONTENT_NOTE_URI, values);
 
         long noteId = 0;
         try {
             noteId = Long.valueOf(uri.getPathSegments().get(1));
-        } catch (NumberFormatException e) {
+        }
+        catch (NumberFormatException e) {
             Log.e(TAG, "Get note id error :" + e.toString());
             noteId = 0;
         }
@@ -153,7 +159,7 @@ public class Note {
         }
 
         void setTextDataId(long id) {
-            if(id <= 0) {
+            if (id <= 0) {
                 throw new IllegalArgumentException("Text data id should larger than 0");
             }
             mTextDataId = id;
@@ -189,7 +195,7 @@ public class Note {
             ArrayList<ContentProviderOperation> operationList = new ArrayList<ContentProviderOperation>();
             ContentProviderOperation.Builder builder = null;
 
-            if(mTextDataValues.size() > 0) {
+            if (mTextDataValues.size() > 0) {
                 mTextDataValues.put(DataColumns.NOTE_ID, noteId);
                 if (mTextDataId == 0) {
                     mTextDataValues.put(DataColumns.MIME_TYPE, TextNote.CONTENT_ITEM_TYPE);
@@ -197,12 +203,14 @@ public class Note {
                             mTextDataValues);
                     try {
                         setTextDataId(Long.valueOf(uri.getPathSegments().get(1)));
-                    } catch (NumberFormatException e) {
+                    }
+                    catch (NumberFormatException e) {
                         Log.e(TAG, "Insert new text data fail with noteId" + noteId);
                         mTextDataValues.clear();
                         return null;
                     }
-                } else {
+                }
+                else {
                     builder = ContentProviderOperation.newUpdate(ContentUris.withAppendedId(
                             Notes.CONTENT_DATA_URI, mTextDataId));
                     builder.withValues(mTextDataValues);
@@ -211,7 +219,7 @@ public class Note {
                 mTextDataValues.clear();
             }
 
-            if(mCallDataValues.size() > 0) {
+            if (mCallDataValues.size() > 0) {
                 mCallDataValues.put(DataColumns.NOTE_ID, noteId);
                 if (mCallDataId == 0) {
                     mCallDataValues.put(DataColumns.MIME_TYPE, CallNote.CONTENT_ITEM_TYPE);
@@ -219,12 +227,14 @@ public class Note {
                             mCallDataValues);
                     try {
                         setCallDataId(Long.valueOf(uri.getPathSegments().get(1)));
-                    } catch (NumberFormatException e) {
+                    }
+                    catch (NumberFormatException e) {
                         Log.e(TAG, "Insert new call data fail with noteId" + noteId);
                         mCallDataValues.clear();
                         return null;
                     }
-                } else {
+                }
+                else {
                     builder = ContentProviderOperation.newUpdate(ContentUris.withAppendedId(
                             Notes.CONTENT_DATA_URI, mCallDataId));
                     builder.withValues(mCallDataValues);
@@ -239,10 +249,12 @@ public class Note {
                             Notes.AUTHORITY, operationList);
                     return (results == null || results.length == 0 || results[0] == null) ? null
                             : ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId);
-                } catch (RemoteException e) {
+                }
+                catch (RemoteException e) {
                     Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
                     return null;
-                } catch (OperationApplicationException e) {
+                }
+                catch (OperationApplicationException e) {
                     Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
                     return null;
                 }

src/Notes-master/local.properties

@@ -2,6 +2,7 @@
 # as it contains information specific to your local configuration.
 #
 # Location of the SDK. This is only used by Gradle.
-#
-#Tue Mar 28 15:42:34 CST 2023
-sdk.dir=D\:\\programming\\androidstudio\\Sdk
+# For customization when using a Version Control System, please read the
+# header note.
+#Thu Apr 13 00:09:07 CST 2023
+sdk.dir=C\:\\Users\\33398\\AppData\\Local\\Android\\Sdk