hx.txt

@@ -0,0 +1,50 @@
+values_strings_strings.xml：
+<!--    私密模式  -->
+<string name="Secret">Secret</string>
+<string name="Quit_Secret">Quit_Secret</string>
+
+menu_sub_folder.xml：
+<!--    私密模式  -->
+    <item
+        android:id="@+id/menu_secret"
+        android:title="@string/Secret"/>
+    <item
+        android:id="@+id/menu_quit_secret"
+        android:title="@string/Quit_Secret"/>
+//    私密模式
+
+NotesListActivity类：
+    public static int secret_mode = 0;
+private void startAsyncNotesListQuery() {
+        String selection = (mCurrentFolderId == Notes.ID_ROOT_FOLDER) ? ROOT_FOLDER_SELECTION
+                : NORMAL_SELECTION;
+        if(secret_mode == 0) {
+            mBackgroundQueryHandler.startQuery(FOLDER_NOTE_LIST_QUERY_TOKEN, null,
+                    Notes.CONTENT_NOTE_URI, NoteItemData.PROJECTION, selection, new String[]{
+                            String.valueOf(mCurrentFolderId)
+                    }, NoteColumns.TYPE + " DESC," + NoteColumns.MODIFIED_DATE + " DESC");
+        }
+        else{
+            String str1 = "111";
+            String [] PROJECTION = new String [] {  //定义一个新的PROJECTION数组，只换掉SNIPPET
+                    NoteColumns.ID,
+                    NoteColumns.ALERTED_DATE,
+                    NoteColumns.BG_COLOR_ID,
+                    NoteColumns.CREATED_DATE,
+                    NoteColumns.HAS_ATTACHMENT,
+                    NoteColumns.MODIFIED_DATE,
+                    NoteColumns.NOTES_COUNT,
+                    NoteColumns.PARENT_ID,
+//                    NoteColumns.SNIPPET,
+                    str1,
+                    NoteColumns.TYPE,
+                    NoteColumns.WIDGET_ID,
+                    NoteColumns.WIDGET_TYPE,
+            };
+            mBackgroundQueryHandler.startQuery(FOLDER_NOTE_LIST_QUERY_TOKEN, null,
+                    Notes.CONTENT_NOTE_URI, PROJECTION, selection, new String[]{
+                            String.valueOf(mCurrentFolderId)
+                    }, NoteColumns.TYPE + " DESC," + NoteColumns.MODIFIED_DATE + " DESC");
+
+        }
+    }

jqy1.txt

@@ -0,0 +1,50 @@
+Menu_note_list.xml
+<!--    背景图功能  -->
+    <item
+        android:id="@+id/menu_a1"
+        android:title="@string/menu_a1"/>
+    <item
+        android:id="@+id/menu_a2"
+        android:title="@string/menu_a2"/>
+    <item
+        android:id="@+id/menu_a3"
+        android:title="@string/menu_a3"/>
+ 
+NotelistActivity类
+//背景图功能
+    public int mode=-1;
+//    私密模式
+    public static int secret_mode = 0;
+//        背景图功能
+        getWindow().setBackgroundDrawableResource(R.drawable.a3);
+        getWindow().setBackgroundDrawableResource(R.drawable.a2);
+        getWindow().setBackgroundDrawableResource(R.drawable.a1);
+//        背景功能
+        if(mode==-1)
+            menu.findItem(R.id.menu_a1).setVisible(false);
+        else if (mode==0)
+            menu.findItem(R.id.menu_a2).setVisible(false);
+        else if (mode==1)
+            menu.findItem(R.id.menu_a3).setVisible(false);
+
+//            背景功能
+            case R.id.menu_a1:{
+                mode=-1;
+                getWindow().setBackgroundDrawableResource(R.drawable.a1);
+                break;
+            }
+            case R.id.menu_a2:{
+                mode=0;
+                getWindow().setBackgroundDrawableResource(R.drawable.a2);
+                break;
+            }
+            case R.id.menu_a3:{
+                mode=1;
+                getWindow().setBackgroundDrawableResource(R.drawable.a3);
+                break;
+            }
+Values_string.xml
+<!--    背景图功能 -->
+    <string name="menu_a2">Background: a2</string>
+    <string name="menu_a1">Background: a1</string>
+    <string name="menu_a3">Background: a3</string>