Merge branch 'master' of https://bdgit.educoder.net/p9zsfw5q4/x

# Conflicts:
#	src/micode/app/src/main/AndroidManifest.xml
#	src/micode/app/src/main/java/net/micode/notes/model/Note.java
#	src/micode/documnet/小米便签开源代码的泛读报告.pdf
#	src/micode/小米便签开源代码的泛读报告.pdf

src/micode/.gitignore

@@ -0,0 +1,4 @@
+.gradle/
+.idea/
+local.properties
+app/build

src/micode/README.md

@@ -0,0 +1,2 @@
+# xqr
+

src/micode/app/build.gradle

@@ -0,0 +1,29 @@
+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion 33
+    buildToolsVersion "33.0.2"
+    useLibrary 'org.apache.http.legacy'
+    defaultConfig {
+        applicationId "net.micode.notes"
+        minSdkVersion 14
+        targetSdkVersion 33
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.txt'
+        }
+    }
+    android {
+        packagingOptions {
+            exclude 'META-INF/DEPENDENCIES'
+        }
+    }
+}
+
+dependencies {
+    implementation fileTree(dir: 'D:\\xyouyxiu(1)\\httpcomponents-client-4.5.14-bin\\lib', include: ['*.aar', '*.jar'], exclude: [])
+    implementation fileTree(dir: 'D:\\xyouyxiu(1)\\httpcomponents-client-4.5.14-bin\\lib', include: ['*.aar', '*.jar'], exclude: [])
+}

src/micode/app/src/main/AndroidManifest.xml

@@ -0,0 +1,165 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<!-- 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.
+-->
+
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    package="net.micode.notes"
+    android:versionCode="1"
+    android:versionName="0.1" >
+
+    <uses-sdk android:minSdkVersion="14" />
+
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+    <uses-permission android:name="com.android.launcher.permission.INSTALL_SHORTCUT" />
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.READ_CONTACTS" />
+    <uses-permission android:name="android.permission.MANAGE_ACCOUNTS" />
+    <uses-permission android:name="android.permission.AUTHENTICATE_ACCOUNTS" />
+    <uses-permission android:name="android.permission.GET_ACCOUNTS" />
+    <uses-permission android:name="android.permission.USE_CREDENTIALS" />
+    <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
+
+    <application
+        android:icon="@drawable/icon_app"
+        android:label="@string/app_name" >
+        <activity
+            android:name=".ui.NotesListActivity"
+            android:configChanges="keyboardHidden|orientation|screenSize"
+            android:label="@string/app_name"
+            android:launchMode="singleTop"
+            android:theme="@style/NoteTheme"
+            android:uiOptions="splitActionBarWhenNarrow"
+            android:windowSoftInputMode="adjustPan"
+            android:exported="true">
+
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+        <activity
+            android:name=".ui.pwdActivity"
+            android:configChanges="keyboardHidden|orientation|screenSize"
+            android:launchMode="singleTop"
+            android:theme="@style/NoteTheme"
+            android:exported="true">
+
+        </activity>
+        <activity
+            android:name=".ui.NoteEditActivity"
+            android:configChanges="keyboardHidden|orientation|screenSize"
+            android:launchMode="singleTop"
+            android:theme="@style/NoteTheme"
+            android:exported="true">
+
+            <intent-filter android:scheme="http"
+                tools:ignore="AppLinkUrlError">
+                <action android:name="android.intent.action.VIEW" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <data android:mimeType="vnd.android.cursor.item/text_note" />
+                <data android:mimeType="vnd.android.cursor.item/call_note" />
+            </intent-filter>
+
+            <intent-filter>
+                <action android:name="android.intent.action.INSERT_OR_EDIT" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <data android:mimeType="vnd.android.cursor.item/text_note" />
+                <data android:mimeType="vnd.android.cursor.item/call_note" />
+            </intent-filter>
+
+            <intent-filter>
+                <action android:name="android.intent.action.SEARCH" />
+                <category android:name="android.intent.category.DEFAULT" />
+            </intent-filter>
+
+            <meta-data
+                android:name="android.app.searchable"
+                android:resource="@xml/searchable" />
+        </activity>
+
+        <provider
+            android:name="net.micode.notes.data.NotesProvider"
+            android:authorities="micode_notes"
+            android:multiprocess="true"
+            android:exported="true"/>
+
+        <receiver
+            android:name=".widget.NoteWidgetProvider_2x"
+            android:label="@string/app_widget2x2"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.appwidget.action.APPWIDGET_UPDATE" />
+                <action android:name="android.appwidget.action.APPWIDGET_DELETED" />
+                <action android:name="android.intent.action.PRIVACY_MODE_CHANGED" />
+            </intent-filter>
+
+            <meta-data
+                android:name="android.appwidget.provider"
+                android:resource="@xml/widget_2x_info" />
+        </receiver>
+        <receiver
+            android:name=".widget.NoteWidgetProvider_4x"
+            android:label="@string/app_widget4x4"
+            android:exported="true">
+
+            <intent-filter>
+                <action android:name="android.appwidget.action.APPWIDGET_UPDATE" />
+                <action android:name="android.appwidget.action.APPWIDGET_DELETED" />
+                <action android:name="android.intent.action.PRIVACY_MODE_CHANGED" />
+            </intent-filter>
+
+            <meta-data
+                android:name="android.appwidget.provider"
+                android:resource="@xml/widget_4x_info" />
+        </receiver>
+
+        <receiver android:name=".ui.AlarmInitReceiver"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.BOOT_COMPLETED" />
+            </intent-filter>
+        </receiver>
+
+        <receiver
+            android:name="net.micode.notes.ui.AlarmReceiver"
+            android:process=":remote" >
+        </receiver>
+
+        <activity
+            android:name=".ui.AlarmAlertActivity"
+            android:label="@string/app_name"
+            android:launchMode="singleInstance"
+            android:theme="@android:style/Theme.Holo.Wallpaper.NoTitleBar" >
+        </activity>
+
+        <activity
+            android:name="net.micode.notes.ui.NotesPreferenceActivity"
+            android:label="@string/preferences_title"
+            android:launchMode="singleTop"
+            android:theme="@android:style/Theme.Holo.Light" >
+        </activity>
+
+        <service
+            android:name="net.micode.notes.gtask.remote.GTaskSyncService"
+            android:exported="false" >
+        </service>
+
+        <meta-data
+            android:name="android.app.default_searchable"
+            android:value=".ui.NoteEditActivity" />
+    </application>
+</manifest>

src/micode/app/src/main/java/net/micode/notes/activityTool/ActivitysManager.java

@@ -0,0 +1,19 @@
+package net.micode.notes.activityTool;
+
+import android.app.Activity;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class ActivitysManager {
+    private static Map<String , Activity> activitys = new HashMap<>();
+    public static Map<String ,Activity> getActivitys() {
+        return activitys;
+    }
+    public static Activity getActivity(String key) {
+        return activitys.get(key);
+    }
+    public static void putActivity(Activity value,String key) {
+        activitys.put(key, value);
+    }
+}

src/micode/app/src/main/java/net/micode/notes/gtask/exception/ActionFailureException.java

@@ -13,16 +13,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-//小米便签行为异常处理
+
 package net.micode.notes.gtask.exception;
 
-/**
- *从RuntimeException类派生出ActionFailureException类，用来处理行为异常
- */
 public class ActionFailureException extends RuntimeException {
+    private static final long serialVersionUID = 4425249765923293627L;
 
-    private static final long serialVersionUID = 4425249765923293627L;//serialVersionUID相当于java类的身份证，主要用于版本控制。验证版本一致性，如果不一致会导致反序列化的时候版本不一致的异常。
-//交给父类的构造函数（包括下面的两个构造函数）
     public ActionFailureException() {
         super();
     }

src/micode/app/src/main/java/net/micode/notes/gtask/exception/NetworkFailureException.java

@@ -16,12 +16,9 @@
 
 package net.micode.notes.gtask.exception;
 
-/**
- * 从Exception类派生出NetworkFailureException类，用来处理网络异常
- */
 public class NetworkFailureException extends Exception {
-    private static final long serialVersionUID = 2107610287180234136L;//serialVersionUID作用是序列化时保持版本的兼容性，即在版本升级时反序列化仍保持对象的唯一性
+    private static final long serialVersionUID = 2107610287180234136L;
-//NetworkFailureException类构造函数，调用父类构造函数，此处相当于Exception ( )
+
     public NetworkFailureException() {
         super();
     }

src/micode/app/src/main/java/net/micode/notes/gtask/remote/GTaskASyncTask.java

@@ -28,31 +28,23 @@ import net.micode.notes.R;
 import net.micode.notes.ui.NotesListActivity;
 import net.micode.notes.ui.NotesPreferenceActivity;
 
-/**
+
- * 异步操作类，实现GTask的异步操作过程
- */
 public class GTaskASyncTask extends AsyncTask<Void, String, Integer> {
 
     private static int GTASK_SYNC_NOTIFICATION_ID = 5234235;
-   //初始化异步功能
+
     public interface OnCompleteListener {
         void onComplete();
     }
 
-    private Context mContext;//文本内容
+    private Context mContext;
 
-    private NotificationManager mNotifiManager;//对象： 通知管理器类的实例化
+    private NotificationManager mNotifiManager;
 
-    private GTaskManager mTaskManager;//实例化任务管理器
+    private GTaskManager mTaskManager;
 
+    private OnCompleteListener mOnCompleteListener;
 
-    private OnCompleteListener mOnCompleteListener;//实例化是否完成的监听器
-
-    /**
-     * GTaskASyncTask类的构造函数
-     * @param context
-     * @param listener
-     */
     public GTaskASyncTask(Context context, OnCompleteListener listener) {
         mContext = context;
         mOnCompleteListener = listener;
@@ -60,29 +52,27 @@ public class GTaskASyncTask extends AsyncTask<Void, String, Integer> {
                 .getSystemService(Context.NOTIFICATION_SERVICE);
         mTaskManager = GTaskManager.getInstance();
     }
-     //取消同步
+
     public void cancelSync() {
         mTaskManager.cancelSync();
     }
-    //显示消息
+
     public void publishProgess(String message) {
         publishProgress(new String[] {
             message
         });
     }
-   //显示通知
+
     private void showNotification(int tickerId, String content) {
         PendingIntent pendingIntent;
-        //若同步不成功，则从系统获得一个对象来启动NotesPreferenceActivity
         if (tickerId != R.string.ticker_success) {
             pendingIntent = PendingIntent.getActivity(mContext, 0, new Intent(mContext,
                     NotesPreferenceActivity.class), 0);
-        //若同步成功，则从系统中获得一个对象来启动NotesListActivity
+
         } else {
             pendingIntent = PendingIntent.getActivity(mContext, 0, new Intent(mContext,
                     NotesListActivity.class), 0);
         }
-        // 设置最新事件信息
         Notification.Builder builder = new Notification.Builder(mContext)
                 .setAutoCancel(true)
                 .setContentTitle(mContext.getString(R.string.app_name))
@@ -93,14 +83,13 @@ public class GTaskASyncTask extends AsyncTask<Void, String, Integer> {
         Notification notification=builder.getNotification();
         mNotifiManager.notify(GTASK_SYNC_NOTIFICATION_ID, notification);
     }
-    //在后台执行，完成主要工作
     @Override
     protected Integer doInBackground(Void... unused) {
         publishProgess(mContext.getString(R.string.sync_progress_login, NotesPreferenceActivity
                 .getSyncAccountName(mContext)));
         return mTaskManager.sync(mContext, this);
     }
-    //显示进度的更新
+
     @Override
     protected void onProgressUpdate(String... progress) {
         showNotification(R.string.ticker_syncing, progress[0]);
@@ -108,21 +97,17 @@ public class GTaskASyncTask extends AsyncTask<Void, String, Integer> {
             ((GTaskSyncService) mContext).sendBroadcast(progress[0]);
         }
     }
-   //用于在执行完后台任务后更新UI,显示结果即进度条
+
     @Override
     protected void onPostExecute(Integer result) {
-        //同步成功，显示相应的东西。
         if (result == GTaskManager.STATE_SUCCESS) {
             showNotification(R.string.ticker_success, mContext.getString(
                     R.string.success_sync_account, mTaskManager.getSyncAccount()));
             NotesPreferenceActivity.setLastSyncTime(mContext, System.currentTimeMillis());
-            //因网络错误而同步失败
         } else if (result == GTaskManager.STATE_NETWORK_ERROR) {
             showNotification(R.string.ticker_fail, mContext.getString(R.string.error_sync_network));
-           //网络错误导致同步错误。
         } else if (result == GTaskManager.STATE_INTERNAL_ERROR) {
             showNotification(R.string.ticker_fail, mContext.getString(R.string.error_sync_internal));
-            //软件内部错误
         } else if (result == GTaskManager.STATE_SYNC_CANCELLED) {
             showNotification(R.string.ticker_cancel, mContext
                     .getString(R.string.error_sync_cancelled));

src/micode/app/src/main/java/net/micode/notes/model/Note.java

@@ -0,0 +1,253 @@
+/*
+ * 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.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;
+
+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;
+
+
+public class Note {
+    private ContentValues mNoteDiffValues;
+    private NoteData mNoteData;
+    private static final String TAG = "Note";
+    /**
+     * Create a new note id for adding a new note to databases
+     */
+    public static synchronized long getNewNoteId(Context context, long folderId) {
+        // Create a new note in the database
+        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);
+        Uri uri = context.getContentResolver().insert(Notes.CONTENT_NOTE_URI, values);
+
+        long noteId = 0;
+        try {
+            noteId = Long.valueOf(uri.getPathSegments().get(1));
+        } catch (NumberFormatException e) {
+            Log.e(TAG, "Get note id error :" + e.toString());
+            noteId = 0;
+        }
+        if (noteId == -1) {
+            throw new IllegalStateException("Wrong note id:" + noteId);
+        }
+        return noteId;
+    }
+
+    public Note() {
+        mNoteDiffValues = new ContentValues();
+        mNoteData = new NoteData();
+    }
+
+    public void setNoteValue(String key, String value) {
+        mNoteDiffValues.put(key, value);
+        mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1);
+        mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis());
+    }
+
+    public void setTextData(String key, String value) {
+        mNoteData.setTextData(key, value);
+    }
+
+    public void setTextDataId(long id) {
+        mNoteData.setTextDataId(id);
+    }
+
+    public long getTextDataId() {
+        return mNoteData.mTextDataId;
+    }
+
+    public void setCallDataId(long id) {
+        mNoteData.setCallDataId(id);
+    }
+
+    public void setCallData(String key, String value) {
+        mNoteData.setCallData(key, value);
+    }
+
+    public boolean isLocalModified() {
+        return mNoteDiffValues.size() > 0 || mNoteData.isLocalModified();
+    }
+
+    public boolean syncNote(Context context, long noteId) {
+        if (noteId <= 0) {
+            throw new IllegalArgumentException("Wrong note id:" + noteId);
+        }
+
+        if (!isLocalModified()) {
+            return true;
+        }
+
+        /**
+         * In theory, once data changed, the note should be updated on {@link NoteColumns#LOCAL_MODIFIED} and
+         * {@link NoteColumns#MODIFIED_DATE}. For data safety, though update note fails, we also update the
+         * note data info
+         */
+        if (context.getContentResolver().update(
+                ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), mNoteDiffValues, null,
+                null) == 0) {
+            Log.e(TAG, "Update note error, should not happen");
+            // Do not return, fall through
+        }
+        mNoteDiffValues.clear();
+
+        if (mNoteData.isLocalModified()
+                && (mNoteData.pushIntoContentResolver(context, noteId) == null)) {
+            return false;
+        }
+
+        return true;
+    }
+
+    private class NoteData {
+        private long mTextDataId;
+
+        private ContentValues mTextDataValues;
+
+        private long mCallDataId;
+
+        private ContentValues mCallDataValues;
+
+        private static final String TAG = "NoteData";
+
+        public NoteData() {
+            mTextDataValues = new ContentValues();
+            mCallDataValues = new ContentValues();
+            mTextDataId = 0;
+            mCallDataId = 0;
+        }
+
+        boolean isLocalModified() {
+            return mTextDataValues.size() > 0 || mCallDataValues.size() > 0;
+        }
+
+        void setTextDataId(long id) {
+            if(id <= 0) {
+                throw new IllegalArgumentException("Text data id should larger than 0");
+            }
+            mTextDataId = id;
+        }
+
+        void setCallDataId(long id) {
+            if (id <= 0) {
+                throw new IllegalArgumentException("Call data id should larger than 0");
+            }
+            mCallDataId = id;
+        }
+
+        void setCallData(String key, String value) {
+            mCallDataValues.put(key, value);
+            mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1);
+            mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis());
+        }
+
+        void setTextData(String key, String value) {
+            mTextDataValues.put(key, value);
+            mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1);
+            mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis());
+        }
+
+        Uri pushIntoContentResolver(Context context, long noteId) {
+            /**
+             * Check for safety
+             */
+            if (noteId <= 0) {
+                throw new IllegalArgumentException("Wrong note id:" + noteId);
+            }
+
+            ArrayList<ContentProviderOperation> operationList = new ArrayList<ContentProviderOperation>();
+            ContentProviderOperation.Builder builder = null;
+
+            if(mTextDataValues.size() > 0) {
+                mTextDataValues.put(DataColumns.NOTE_ID, noteId);
+                if (mTextDataId == 0) {
+                    mTextDataValues.put(DataColumns.MIME_TYPE, TextNote.CONTENT_ITEM_TYPE);
+                    Uri uri = context.getContentResolver().insert(Notes.CONTENT_DATA_URI,
+                            mTextDataValues);
+                    try {
+                        setTextDataId(Long.valueOf(uri.getPathSegments().get(1)));
+                    } catch (NumberFormatException e) {
+                        Log.e(TAG, "Insert new text data fail with noteId" + noteId);
+                        mTextDataValues.clear();
+                        return null;
+                    }
+                } else {
+                    builder = ContentProviderOperation.newUpdate(ContentUris.withAppendedId(
+                            Notes.CONTENT_DATA_URI, mTextDataId));
+                    builder.withValues(mTextDataValues);
+                    operationList.add(builder.build());
+                }
+                mTextDataValues.clear();
+            }
+
+            if(mCallDataValues.size() > 0) {
+                mCallDataValues.put(DataColumns.NOTE_ID, noteId);
+                if (mCallDataId == 0) {
+                    mCallDataValues.put(DataColumns.MIME_TYPE, CallNote.CONTENT_ITEM_TYPE);
+                    Uri uri = context.getContentResolver().insert(Notes.CONTENT_DATA_URI,
+                            mCallDataValues);
+                    try {
+                        setCallDataId(Long.valueOf(uri.getPathSegments().get(1)));
+                    } catch (NumberFormatException e) {
+                        Log.e(TAG, "Insert new call data fail with noteId" + noteId);
+                        mCallDataValues.clear();
+                        return null;
+                    }
+                } else {
+                    builder = ContentProviderOperation.newUpdate(ContentUris.withAppendedId(
+                            Notes.CONTENT_DATA_URI, mCallDataId));
+                    builder.withValues(mCallDataValues);
+                    operationList.add(builder.build());
+                }
+                mCallDataValues.clear();
+            }
+
+            if (operationList.size() > 0) {
+                try {
+                    ContentProviderResult[] results = context.getContentResolver().applyBatch(
+                            Notes.AUTHORITY, operationList);
+                    return (results == null || results.length == 0 || results[0] == null) ? null
+                            : ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId);
+                } catch (RemoteException e) {
+                    Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
+                    return null;
+                } catch (OperationApplicationException e) {
+                    Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
+                    return null;
+                }
+            }
+            return null;
+        }
+    }
+}

src/micode/app/src/main/java/net/micode/notes/ui/FoldersListAdapter.java

@@ -34,20 +34,16 @@ public class FoldersListAdapter extends CursorAdapter {
         NoteColumns.ID,
         NoteColumns.SNIPPET
     };
-
     public static final int ID_COLUMN   = 0;
     public static final int NAME_COLUMN = 1;
-
     public FoldersListAdapter(Context context, Cursor c) {
         super(context, c);
         // TODO Auto-generated constructor stub
     }
-
     @Override
     public View newView(Context context, Cursor cursor, ViewGroup parent) {
         return new FolderListItem(context);
     }
-
     @Override
     public void bindView(View view, Context context, Cursor cursor) {
         if (view instanceof FolderListItem) {

src/micode/app/src/main/java/net/micode/notes/ui/NotesListActivity.java

@@ -61,6 +61,7 @@ import android.widget.TextView;
 import android.widget.Toast;
 
 import net.micode.notes.R;
+import net.micode.notes.activityTool.ActivitysManager;
 import net.micode.notes.data.Notes;
 import net.micode.notes.data.Notes.NoteColumns;
 import net.micode.notes.gtask.remote.GTaskSyncService;
@@ -79,6 +80,7 @@ import java.io.InputStreamReader;
 import java.util.HashSet;
 
 public class NotesListActivity extends Activity implements OnClickListener, OnItemLongClickListener {
+    private int mode = -1;
     private static final int FOLDER_NOTE_LIST_QUERY_TOKEN = 0;
 
     private static final int FOLDER_LIST_QUERY_TOKEN = 1;
@@ -93,7 +95,9 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
 
     private enum ListEditState {
         NOTE_LIST, SUB_FOLDER, CALL_RECORD_FOLDER
-    };
+    }
+
+    ;
 
     private ListEditState mState;
 
@@ -139,6 +143,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.note_list);
+        getWindow().setBackgroundDrawableResource(R.drawable.ltby);
         initResources();
 
         /**
@@ -146,7 +151,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
          */
         setAppInfoFromRawRes();
     }
-
+    public int flag;
     @Override
     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
         if (resultCode == RESULT_OK
@@ -167,7 +172,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
                 if (in != null) {
                     InputStreamReader isr = new InputStreamReader(in);
                     BufferedReader br = new BufferedReader(isr);
-                    char [] buf = new char[1024];
+                    char[] buf = new char[1024];
                     int len = 0;
                     while ((len = br.read(buf)) > 0) {
                         sb.append(buf, 0, len);
@@ -180,7 +185,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
                 e.printStackTrace();
                 return;
             } finally {
-                if(in != null) {
+                if (in != null) {
                     try {
                         in.close();
                     } catch (IOException e) {
@@ -258,7 +263,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
             mDropDownMenu = new DropdownMenu(NotesListActivity.this,
                     (Button) customView.findViewById(R.id.selection_menu),
                     R.menu.note_list_dropdown);
-            mDropDownMenu.setOnDropdownMenuItemClickListener(new PopupMenu.OnMenuItemClickListener(){
+            mDropDownMenu.setOnDropdownMenuItemClickListener(new PopupMenu.OnMenuItemClickListener() {
                 public boolean onMenuItemClick(MenuItem item) {
                     mNotesListAdapter.selectAll(!mNotesListAdapter.isAllSelected());
                     updateMenu();
@@ -406,13 +411,15 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
             return false;
         }
 
-    };
+    }
+
+    ;
 
     private void startAsyncNotesListQuery() {
         String selection = (mCurrentFolderId == Notes.ID_ROOT_FOLDER) ? ROOT_FOLDER_SELECTION
                 : NORMAL_SELECTION;
         mBackgroundQueryHandler.startQuery(FOLDER_NOTE_LIST_QUERY_TOKEN, null,
-                Notes.CONTENT_NOTE_URI, NoteItemData.PROJECTION, selection, new String[] {
+                Notes.CONTENT_NOTE_URI, NoteItemData.PROJECTION, selection, new String[]{
                         String.valueOf(mCurrentFolderId)
                 }, NoteColumns.TYPE + " DESC," + NoteColumns.MODIFIED_DATE + " DESC");
     }
@@ -541,6 +548,11 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
     }
 
     private void openFolder(NoteItemData data) {
+
+        Intent intent = null;
+        intent = new Intent(NotesListActivity.this,pwdActivity.class);
+        startActivity(intent);
+        ActivitysManager.putActivity(this,"NotesListActivity");
             mCurrentFolderId = data.getId();
             startAsyncNotesListQuery();
             if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) {
@@ -557,6 +569,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
             mTitleBar.setVisibility(View.VISIBLE);
     }
 
+
     public void onClick(View v) {
         switch (v.getId()) {
             case R.id.btn_new_note:
@@ -763,8 +776,8 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
     @Override
     public boolean onPrepareOptionsMenu(Menu menu) {
         menu.clear();
-        if (mState == ListEditState.NOTE_LIST) {
         getMenuInflater().inflate(R.menu.note_list, menu);
+        if (mState == ListEditState.NOTE_LIST) {
             // set sync or sync_cancel
             menu.findItem(R.id.menu_sync).setTitle(
                     GTaskSyncService.isSyncing() ? R.string.menu_sync_cancel : R.string.menu_sync);
@@ -775,12 +788,26 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
         } else {
             Log.e(TAG, "Wrong state:" + mState);
         }
+        if(mode==-1)
+           menu.findItem(R.id.menu_ltby).setVisible(false);
+        else if(mode==0)
+            menu.findItem(R.id.menu_lxy).setVisible(false);
         return true;
     }
 
     @Override
     public boolean onOptionsItemSelected(MenuItem item) {
         switch (item.getItemId()) {
+            case R.id.menu_ltby:{
+                mode=-1;
+                getWindow().setBackgroundDrawableResource((R.drawable.ltby));
+                break;
+            }
+            case R.id.menu_lxy:{
+                mode=0;
+                getWindow().setBackgroundDrawableResource((R.drawable.lxy));
+                break;
+            }
             case R.id.menu_new_folder: {
                 showCreateOrModifyFolderDialog(true);
                 break;

src/micode/app/src/main/java/net/micode/notes/ui/pwdActivity.java

@@ -0,0 +1,55 @@
+package net.micode.notes.ui;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.os.Bundle;
+import android.view.View;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.Toast;
+
+import net.micode.notes.R;
+import net.micode.notes.activityTool.ActivitysManager;
+
+public class pwdActivity extends Activity {
+    public Button mBtnpwd;
+    public Button cancell;
+    public EditText mEtpwd;
+    public String password = "123";
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_pwd);
+
+        mBtnpwd = findViewById(R.id.confirm);
+        mEtpwd = findViewById(R.id.password);
+        cancell = findViewById(R.id.cancell);
+        mBtnpwd.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                String pwd = mEtpwd.getText().toString();
+                if (pwd.equals(password)) {
+                    finish();
+                } else {
+                    Toast.makeText(pwdActivity.this, "ERROR", Toast.LENGTH_LONG).show();
+                }
+            }
+        });
+        cancell.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                ActivitysManager.getActivity("NotesListActivity").finish();
+                Intent intent = new Intent(pwdActivity.this, NotesListActivity.class);
+                startActivity(intent);
+                finish();
+            }
+        });
+    }
+    @Override
+    public void onBackPressed() {
+        ActivitysManager.getActivity("NotesListActivity").finish();
+        Intent intent = new Intent(pwdActivity.this, NotesListActivity.class);
+        startActivity(intent);
+        finish();
+    }
+}