1

README.md

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-# xiaomiProject
-

lhl.txt

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-lhl

micode/notes/ui/NoteEditActivity.java

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-/*
- * 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.app.Activity;
-import android.app.AlarmManager;
-import android.app.AlertDialog;
-import android.app.PendingIntent;
-import android.app.SearchManager;
-import android.appwidget.AppWidgetManager;
-import android.content.ContentUris;
-import android.content.Context;
-import android.content.DialogInterface;
-import android.content.Intent;
-import android.content.SharedPreferences;
-import android.graphics.Paint;
-import android.os.Bundle;
-import android.preference.PreferenceManager;
-import android.text.Spannable;
-import android.text.SpannableString;
-import android.text.TextUtils;
-import android.text.format.DateUtils;
-import android.text.style.BackgroundColorSpan;
-import android.util.Log;
-import android.view.LayoutInflater;
-import android.view.Menu;
-import android.view.MenuItem;
-import android.view.MotionEvent;
-import android.view.View;
-import android.view.View.OnClickListener;
-import android.view.WindowManager;
-import android.widget.CheckBox;
-import android.widget.CompoundButton;
-import android.widget.CompoundButton.OnCheckedChangeListener;
-import android.widget.EditText;
-import android.widget.ImageView;
-import android.widget.LinearLayout;
-import android.widget.TextView;
-import android.widget.Toast;
-
-import net.micode.notes.R;
-import net.micode.notes.data.Notes;
-import net.micode.notes.data.Notes.TextNote;
-import net.micode.notes.model.WorkingNote;
-import net.micode.notes.model.WorkingNote.NoteSettingChangedListener;
-import net.micode.notes.tool.DataUtils;
-import net.micode.notes.tool.ResourceParser;
-import net.micode.notes.tool.ResourceParser.TextAppearanceResources;
-import net.micode.notes.ui.DateTimePickerDialog.OnDateTimeSetListener;
-import net.micode.notes.ui.NoteEditText.OnTextViewChangeListener;
-import net.micode.notes.widget.NoteWidgetProvider_2x;
-import net.micode.notes.widget.NoteWidgetProvider_4x;
-
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.Map;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
-
-
-public class NoteEditActivity extends Activity implements OnClickListener,
-        NoteSettingChangedListener, OnTextViewChangeListener {
-    private class HeadViewHolder {
-        public TextView tvModified;
-
-        public ImageView ivAlertIcon;
-
-        public TextView tvAlertDate;
-
-        public ImageView ibSetBgColor;
-    }
-
-    private static final Map<Integer, Integer> sBgSelectorBtnsMap = new HashMap<Integer, Integer>();
-    static {
-        sBgSelectorBtnsMap.put(R.id.iv_bg_yellow, ResourceParser.YELLOW);
-        sBgSelectorBtnsMap.put(R.id.iv_bg_red, ResourceParser.RED);
-        sBgSelectorBtnsMap.put(R.id.iv_bg_blue, ResourceParser.BLUE);
-        sBgSelectorBtnsMap.put(R.id.iv_bg_green, ResourceParser.GREEN);
-        sBgSelectorBtnsMap.put(R.id.iv_bg_white, ResourceParser.WHITE);
-    }
-
-    private static final Map<Integer, Integer> sBgSelectorSelectionMap = new HashMap<Integer, Integer>();
-    static {
-        sBgSelectorSelectionMap.put(ResourceParser.YELLOW, R.id.iv_bg_yellow_select);
-        sBgSelectorSelectionMap.put(ResourceParser.RED, R.id.iv_bg_red_select);
-        sBgSelectorSelectionMap.put(ResourceParser.BLUE, R.id.iv_bg_blue_select);
-        sBgSelectorSelectionMap.put(ResourceParser.GREEN, R.id.iv_bg_green_select);
-        sBgSelectorSelectionMap.put(ResourceParser.WHITE, R.id.iv_bg_white_select);
-    }
-
-    private static final Map<Integer, Integer> sFontSizeBtnsMap = new HashMap<Integer, Integer>();
-    static {
-        sFontSizeBtnsMap.put(R.id.ll_font_large, ResourceParser.TEXT_LARGE);
-        sFontSizeBtnsMap.put(R.id.ll_font_small, ResourceParser.TEXT_SMALL);
-        sFontSizeBtnsMap.put(R.id.ll_font_normal, ResourceParser.TEXT_MEDIUM);
-        sFontSizeBtnsMap.put(R.id.ll_font_super, ResourceParser.TEXT_SUPER);
-    }
-
-    private static final Map<Integer, Integer> sFontSelectorSelectionMap = new HashMap<Integer, Integer>();
-    static {
-        sFontSelectorSelectionMap.put(ResourceParser.TEXT_LARGE, R.id.iv_large_select);
-        sFontSelectorSelectionMap.put(ResourceParser.TEXT_SMALL, R.id.iv_small_select);
-        sFontSelectorSelectionMap.put(ResourceParser.TEXT_MEDIUM, R.id.iv_medium_select);
-        sFontSelectorSelectionMap.put(ResourceParser.TEXT_SUPER, R.id.iv_super_select);
-    }
-
-    private static final String TAG = "NoteEditActivity";
-
-    private HeadViewHolder mNoteHeaderHolder;
-
-    private View mHeadViewPanel;
-
-    private View mNoteBgColorSelector;
-
-    private View mFontSizeSelector;
-
-    private EditText mNoteEditor;
-
-    private View mNoteEditorPanel;
-
-    private WorkingNote mWorkingNote;
-
-    private SharedPreferences mSharedPrefs;
-    private int mFontSizeId;
-
-    private static final String PREFERENCE_FONT_SIZE = "pref_font_size";
-
-    private static final int SHORTCUT_ICON_TITLE_MAX_LEN = 10;
-
-    public static final String TAG_CHECKED = String.valueOf('\u221A');
-    public static final String TAG_UNCHECKED = String.valueOf('\u25A1');
-
-    private LinearLayout mEditTextList;
-
-    private String mUserQuery;
-    private Pattern mPattern;
-
-    @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        this.setContentView(R.layout.note_edit);
-
-        if (savedInstanceState == null && !initActivityState(getIntent())) {
-            finish();
-            return;
-        }
-        initResources();
-    }
-
-    /**
-     * Current activity may be killed when the memory is low. Once it is killed, for another time
-     * user load this activity, we should restore the former state
-     */
-    @Override
-    protected void onRestoreInstanceState(Bundle savedInstanceState) {
-        super.onRestoreInstanceState(savedInstanceState);
-        if (savedInstanceState != null && savedInstanceState.containsKey(Intent.EXTRA_UID)) {
-            Intent intent = new Intent(Intent.ACTION_VIEW);
-            intent.putExtra(Intent.EXTRA_UID, savedInstanceState.getLong(Intent.EXTRA_UID));
-            if (!initActivityState(intent)) {
-                finish();
-                return;
-            }
-            Log.d(TAG, "Restoring from killed activity");
-        }
-    }
-
-    private boolean initActivityState(Intent intent) {
-        /**
-         * If the user specified the {@link Intent#ACTION_VIEW} but not provided with id,
-         * then jump to the NotesListActivity
-         */
-        mWorkingNote = null;
-        if (TextUtils.equals(Intent.ACTION_VIEW, intent.getAction())) {
-            long noteId = intent.getLongExtra(Intent.EXTRA_UID, 0);
-            mUserQuery = "";
-
-            /**
-             * Starting from the searched result
-             */
-            if (intent.hasExtra(SearchManager.EXTRA_DATA_KEY)) {
-                noteId = Long.parseLong(intent.getStringExtra(SearchManager.EXTRA_DATA_KEY));
-                mUserQuery = intent.getStringExtra(SearchManager.USER_QUERY);
-            }
-
-            if (!DataUtils.visibleInNoteDatabase(getContentResolver(), noteId, Notes.TYPE_NOTE)) {
-                Intent jump = new Intent(this, NotesListActivity.class);
-                startActivity(jump);
-                showToast(R.string.error_note_not_exist);
-                finish();
-                return false;
-            } else {
-                mWorkingNote = WorkingNote.load(this, noteId);
-                if (mWorkingNote == null) {
-                    Log.e(TAG, "load note failed with note id" + noteId);
-                    finish();
-                    return false;
-                }
-            }
-            getWindow().setSoftInputMode(
-                    WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN
-                            | WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE);
-        } else if(TextUtils.equals(Intent.ACTION_INSERT_OR_EDIT, intent.getAction())) {
-            // New note
-            long folderId = intent.getLongExtra(Notes.INTENT_EXTRA_FOLDER_ID, 0);
-            int widgetId = intent.getIntExtra(Notes.INTENT_EXTRA_WIDGET_ID,
-                    AppWidgetManager.INVALID_APPWIDGET_ID);
-            int widgetType = intent.getIntExtra(Notes.INTENT_EXTRA_WIDGET_TYPE,
-                    Notes.TYPE_WIDGET_INVALIDE);
-            int bgResId = intent.getIntExtra(Notes.INTENT_EXTRA_BACKGROUND_ID,
-                    ResourceParser.getDefaultBgId(this));
-
-            // Parse call-record note
-            String phoneNumber = intent.getStringExtra(Intent.EXTRA_PHONE_NUMBER);
-            long callDate = intent.getLongExtra(Notes.INTENT_EXTRA_CALL_DATE, 0);
-            if (callDate != 0 && phoneNumber != null) {
-                if (TextUtils.isEmpty(phoneNumber)) {
-                    Log.w(TAG, "The call record number is null");
-                }
-                long noteId = 0;
-                if ((noteId = DataUtils.getNoteIdByPhoneNumberAndCallDate(getContentResolver(),
-                        phoneNumber, callDate)) > 0) {
-                    mWorkingNote = WorkingNote.load(this, noteId);
-                    if (mWorkingNote == null) {
-                        Log.e(TAG, "load call note failed with note id" + noteId);
-                        finish();
-                        return false;
-                    }
-                } else {
-                    mWorkingNote = WorkingNote.createEmptyNote(this, folderId, widgetId,
-                            widgetType, bgResId);
-                    mWorkingNote.convertToCallNote(phoneNumber, callDate);
-                }
-            } else {
-                mWorkingNote = WorkingNote.createEmptyNote(this, folderId, widgetId, widgetType,
-                        bgResId);
-            }
-
-            getWindow().setSoftInputMode(
-                    WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE
-                            | WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE);
-        } else {
-            Log.e(TAG, "Intent not specified action, should not support");
-            finish();
-            return false;
-        }
-        mWorkingNote.setOnSettingStatusChangedListener(this);
-        return true;
-    }
-
-    @Override
-    protected void onResume() {
-        super.onResume();
-        initNoteScreen();
-    }
-
-    private void initNoteScreen() {
-        mNoteEditor.setTextAppearance(this, TextAppearanceResources
-                .getTexAppearanceResource(mFontSizeId));
-        if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) {
-            switchToListMode(mWorkingNote.getContent());
-        } else {
-            mNoteEditor.setText(getHighlightQueryResult(mWorkingNote.getContent(), mUserQuery));
-            mNoteEditor.setSelection(mNoteEditor.getText().length());
-        }
-        for (Integer id : sBgSelectorSelectionMap.keySet()) {
-            findViewById(sBgSelectorSelectionMap.get(id)).setVisibility(View.GONE);
-        }
-        mHeadViewPanel.setBackgroundResource(mWorkingNote.getTitleBgResId());
-        mNoteEditorPanel.setBackgroundResource(mWorkingNote.getBgColorResId());
-
-        mNoteHeaderHolder.tvModified.setText(DateUtils.formatDateTime(this,
-                mWorkingNote.getModifiedDate(), DateUtils.FORMAT_SHOW_DATE
-                        | DateUtils.FORMAT_NUMERIC_DATE | DateUtils.FORMAT_SHOW_TIME
-                        | DateUtils.FORMAT_SHOW_YEAR));
-
-        /**
-         * TODO: Add the menu for setting alert. Currently disable it because the DateTimePicker
-         * is not ready
-         */
-        showAlertHeader();
-    }
-
-    private void showAlertHeader() {
-        if (mWorkingNote.hasClockAlert()) {
-            long time = System.currentTimeMillis();
-            if (time > mWorkingNote.getAlertDate()) {
-                mNoteHeaderHolder.tvAlertDate.setText(R.string.note_alert_expired);
-            } else {
-                mNoteHeaderHolder.tvAlertDate.setText(DateUtils.getRelativeTimeSpanString(
-                        mWorkingNote.getAlertDate(), time, DateUtils.MINUTE_IN_MILLIS));
-            }
-            mNoteHeaderHolder.tvAlertDate.setVisibility(View.VISIBLE);
-            mNoteHeaderHolder.ivAlertIcon.setVisibility(View.VISIBLE);
-        } else {
-            mNoteHeaderHolder.tvAlertDate.setVisibility(View.GONE);
-            mNoteHeaderHolder.ivAlertIcon.setVisibility(View.GONE);
-        };
-    }
-
-    @Override
-    protected void onNewIntent(Intent intent) {
-        super.onNewIntent(intent);
-        initActivityState(intent);
-    }
-
-    @Override
-    protected void onSaveInstanceState(Bundle outState) {
-        super.onSaveInstanceState(outState);
-        /**
-         * For new note without note id, we should firstly save it to
-         * generate a id. If the editing note is not worth saving, there
-         * is no id which is equivalent to create new note
-         */
-        if (!mWorkingNote.existInDatabase()) {
-            saveNote();
-        }
-        outState.putLong(Intent.EXTRA_UID, mWorkingNote.getNoteId());
-        Log.d(TAG, "Save working note id: " + mWorkingNote.getNoteId() + " onSaveInstanceState");
-    }
-
-    @Override
-    public boolean dispatchTouchEvent(MotionEvent ev) {
-        if (mNoteBgColorSelector.getVisibility() == View.VISIBLE
-                && !inRangeOfView(mNoteBgColorSelector, ev)) {
-            mNoteBgColorSelector.setVisibility(View.GONE);
-            return true;
-        }
-
-        if (mFontSizeSelector.getVisibility() == View.VISIBLE
-                && !inRangeOfView(mFontSizeSelector, ev)) {
-            mFontSizeSelector.setVisibility(View.GONE);
-            return true;
-        }
-        return super.dispatchTouchEvent(ev);
-    }
-
-    private boolean inRangeOfView(View view, MotionEvent ev) {
-        int []location = new int[2];
-        view.getLocationOnScreen(location);
-        int x = location[0];
-        int y = location[1];
-        if (ev.getX() < x
-                || ev.getX() > (x + view.getWidth())
-                || ev.getY() < y
-                || ev.getY() > (y + view.getHeight())) {
-                    return false;
-                }
-        return true;
-    }
-
-    private void initResources() {
-        mHeadViewPanel = findViewById(R.id.note_title);
-        mNoteHeaderHolder = new HeadViewHolder();
-        mNoteHeaderHolder.tvModified = (TextView) findViewById(R.id.tv_modified_date);
-        mNoteHeaderHolder.ivAlertIcon = (ImageView) findViewById(R.id.iv_alert_icon);
-        mNoteHeaderHolder.tvAlertDate = (TextView) findViewById(R.id.tv_alert_date);
-        mNoteHeaderHolder.ibSetBgColor = (ImageView) findViewById(R.id.btn_set_bg_color);
-        mNoteHeaderHolder.ibSetBgColor.setOnClickListener(this);
-        mNoteEditor = (EditText) findViewById(R.id.note_edit_view);
-        mNoteEditorPanel = findViewById(R.id.sv_note_edit);
-        mNoteBgColorSelector = findViewById(R.id.note_bg_color_selector);
-        for (int id : sBgSelectorBtnsMap.keySet()) {
-            ImageView iv = (ImageView) findViewById(id);
-            iv.setOnClickListener(this);
-        }
-
-        mFontSizeSelector = findViewById(R.id.font_size_selector);
-        for (int id : sFontSizeBtnsMap.keySet()) {
-            View view = findViewById(id);
-            view.setOnClickListener(this);
-        };
-        mSharedPrefs = PreferenceManager.getDefaultSharedPreferences(this);
-        mFontSizeId = mSharedPrefs.getInt(PREFERENCE_FONT_SIZE, ResourceParser.BG_DEFAULT_FONT_SIZE);
-        /**
-         * HACKME: Fix bug of store the resource id in shared preference.
-         * The id may larger than the length of resources, in this case,
-         * return the {@link ResourceParser#BG_DEFAULT_FONT_SIZE}
-         */
-        if(mFontSizeId >= TextAppearanceResources.getResourcesSize()) {
-            mFontSizeId = ResourceParser.BG_DEFAULT_FONT_SIZE;
-        }
-        mEditTextList = (LinearLayout) findViewById(R.id.note_edit_list);
-    }
-
-    @Override
-    protected void onPause() {
-        super.onPause();
-        if(saveNote()) {
-            Log.d(TAG, "Note data was saved with length:" + mWorkingNote.getContent().length());
-        }
-        clearSettingState();
-    }
-
-    private void updateWidget() {
-        Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE);
-        if (mWorkingNote.getWidgetType() == Notes.TYPE_WIDGET_2X) {
-            intent.setClass(this, NoteWidgetProvider_2x.class);
-        } else if (mWorkingNote.getWidgetType() == Notes.TYPE_WIDGET_4X) {
-            intent.setClass(this, NoteWidgetProvider_4x.class);
-        } else {
-            Log.e(TAG, "Unspported widget type");
-            return;
-        }
-
-        intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, new int[] {
-            mWorkingNote.getWidgetId()
-        });
-
-        sendBroadcast(intent);
-        setResult(RESULT_OK, intent);
-    }
-
-    public void onClick(View v) {
-        int id = v.getId();
-        if (id == R.id.btn_set_bg_color) {
-            mNoteBgColorSelector.setVisibility(View.VISIBLE);
-            findViewById(sBgSelectorSelectionMap.get(mWorkingNote.getBgColorId())).setVisibility(
-                    -                    View.VISIBLE);
-        } else if (sBgSelectorBtnsMap.containsKey(id)) {
-            findViewById(sBgSelectorSelectionMap.get(mWorkingNote.getBgColorId())).setVisibility(
-                    View.GONE);
-            mWorkingNote.setBgColorId(sBgSelectorBtnsMap.get(id));
-            mNoteBgColorSelector.setVisibility(View.GONE);
-        } else if (sFontSizeBtnsMap.containsKey(id)) {
-            findViewById(sFontSelectorSelectionMap.get(mFontSizeId)).setVisibility(View.GONE);
-            mFontSizeId = sFontSizeBtnsMap.get(id);
-            mSharedPrefs.edit().putInt(PREFERENCE_FONT_SIZE, mFontSizeId).commit();
-            findViewById(sFontSelectorSelectionMap.get(mFontSizeId)).setVisibility(View.VISIBLE);
-            if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) {
-                getWorkingText();
-                switchToListMode(mWorkingNote.getContent());
-            } else {
-                mNoteEditor.setTextAppearance(this,
-                        TextAppearanceResources.getTexAppearanceResource(mFontSizeId));
-            }
-            mFontSizeSelector.setVisibility(View.GONE);
-        }
-    }
-
-    @Override
-    public void onBackPressed() {
-        if(clearSettingState()) {
-            return;
-        }
-
-        saveNote();
-        super.onBackPressed();
-    }
-
-    private boolean clearSettingState() {
-        if (mNoteBgColorSelector.getVisibility() == View.VISIBLE) {
-            mNoteBgColorSelector.setVisibility(View.GONE);
-            return true;
-        } else if (mFontSizeSelector.getVisibility() == View.VISIBLE) {
-            mFontSizeSelector.setVisibility(View.GONE);
-            return true;
-        }
-        return false;
-    }
-
-    public void onBackgroundColorChanged() {
-        findViewById(sBgSelectorSelectionMap.get(mWorkingNote.getBgColorId())).setVisibility(
-                View.VISIBLE);
-        mNoteEditorPanel.setBackgroundResource(mWorkingNote.getBgColorResId());
-        mHeadViewPanel.setBackgroundResource(mWorkingNote.getTitleBgResId());
-    }
-
-    @Override
-    public boolean onPrepareOptionsMenu(Menu menu) {
-        if (isFinishing()) {
-            return true;
-        }
-        clearSettingState();
-        menu.clear();
-        if (mWorkingNote.getFolderId() == Notes.ID_CALL_RECORD_FOLDER) {
-            getMenuInflater().inflate(R.menu.call_note_edit, menu);
-        } else {
-            getMenuInflater().inflate(R.menu.note_edit, menu);
-        }
-        if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) {
-            menu.findItem(R.id.menu_list_mode).setTitle(R.string.menu_normal_mode);
-        } else {
-            menu.findItem(R.id.menu_list_mode).setTitle(R.string.menu_list_mode);
-        }
-        if (mWorkingNote.hasClockAlert()) {
-            menu.findItem(R.id.menu_alert).setVisible(false);
-        } else {
-            menu.findItem(R.id.menu_delete_remind).setVisible(false);
-        }
-        return true;
-    }
-
-    @Override
-    public boolean onOptionsItemSelected(MenuItem item) {
-        switch (item.getItemId()) {
-            case R.id.menu_new_note:
-                createNewNote();
-                break;
-            case R.id.menu_delete:
-                AlertDialog.Builder builder = new AlertDialog.Builder(this);
-                builder.setTitle(getString(R.string.alert_title_delete));
-                builder.setIcon(android.R.drawable.ic_dialog_alert);
-                builder.setMessage(getString(R.string.alert_message_delete_note));
-                builder.setPositiveButton(android.R.string.ok,
-                        new DialogInterface.OnClickListener() {
-                            public void onClick(DialogInterface dialog, int which) {
-                                deleteCurrentNote();
-                                finish();
-                            }
-                        });
-                builder.setNegativeButton(android.R.string.cancel, null);
-                builder.show();
-                break;
-            case R.id.menu_font_size:
-                mFontSizeSelector.setVisibility(View.VISIBLE);
-                findViewById(sFontSelectorSelectionMap.get(mFontSizeId)).setVisibility(View.VISIBLE);
-                break;
-            case R.id.menu_list_mode:
-                mWorkingNote.setCheckListMode(mWorkingNote.getCheckListMode() == 0 ?
-                        TextNote.MODE_CHECK_LIST : 0);
-                break;
-            case R.id.menu_share:
-                getWorkingText();
-                sendTo(this, mWorkingNote.getContent());
-                break;
-            case R.id.menu_send_to_desktop:
-                sendToDesktop();
-                break;
-            case R.id.menu_alert:
-                setReminder();
-                break;
-            case R.id.menu_delete_remind:
-                mWorkingNote.setAlertDate(0, false);
-                break;
-            default:
-                break;
-        }
-        return true;
-    }
-
-    private void setReminder() {
-        DateTimePickerDialog d = new DateTimePickerDialog(this, System.currentTimeMillis());
-        d.setOnDateTimeSetListener(new OnDateTimeSetListener() {
-            public void OnDateTimeSet(AlertDialog dialog, long date) {
-                mWorkingNote.setAlertDate(date	, true);
-            }
-        });
-        d.show();
-    }
-
-    /**
-     * Share note to apps that support {@link Intent#ACTION_SEND} action
-     * and {@text/plain} type
-     */
-    private void sendTo(Context context, String info) {
-        Intent intent = new Intent(Intent.ACTION_SEND);
-        intent.putExtra(Intent.EXTRA_TEXT, info);
-        intent.setType("text/plain");
-        context.startActivity(intent);
-    }
-
-    private void createNewNote() {
-        // Firstly, save current editing notes
-        saveNote();
-
-        // For safety, start a new NoteEditActivity
-        finish();
-        Intent intent = new Intent(this, NoteEditActivity.class);
-        intent.setAction(Intent.ACTION_INSERT_OR_EDIT);
-        intent.putExtra(Notes.INTENT_EXTRA_FOLDER_ID, mWorkingNote.getFolderId());
-        startActivity(intent);
-    }
-
-    private void deleteCurrentNote() {
-        if (mWorkingNote.existInDatabase()) {
-            HashSet<Long> ids = new HashSet<Long>();
-            long id = mWorkingNote.getNoteId();
-            if (id != Notes.ID_ROOT_FOLDER) {
-                ids.add(id);
-            } else {
-                Log.d(TAG, "Wrong note id, should not happen");
-            }
-            if (!isSyncMode()) {
-                if (!DataUtils.batchDeleteNotes(getContentResolver(), ids)) {
-                    Log.e(TAG, "Delete Note error");
-                }
-            } else {
-                if (!DataUtils.batchMoveToFolder(getContentResolver(), ids, Notes.ID_TRASH_FOLER)) {
-                    Log.e(TAG, "Move notes to trash folder error, should not happens");
-                }
-            }
-        }
-        mWorkingNote.markDeleted(true);
-    }
-
-    private boolean isSyncMode() {
-        return NotesPreferenceActivity.getSyncAccountName(this).trim().length() > 0;
-    }
-
-    public void onClockAlertChanged(long date, boolean set) {
-        /**
-         * User could set clock to an unsaved note, so before setting the
-         * alert clock, we should save the note first
-         */
-        if (!mWorkingNote.existInDatabase()) {
-            saveNote();
-        }
-        if (mWorkingNote.getNoteId() > 0) {
-            Intent intent = new Intent(this, AlarmReceiver.class);
-            intent.setData(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, mWorkingNote.getNoteId()));
-            PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, intent, 0);
-            AlarmManager alarmManager = ((AlarmManager) getSystemService(ALARM_SERVICE));
-            showAlertHeader();
-            if(!set) {
-                alarmManager.cancel(pendingIntent);
-            } else {
-                alarmManager.set(AlarmManager.RTC_WAKEUP, date, pendingIntent);
-            }
-        } else {
-            /**
-             * There is the condition that user has input nothing (the note is
-             * not worthy saving), we have no note id, remind the user that he
-             * should input something
-             */
-            Log.e(TAG, "Clock alert setting error");
-            showToast(R.string.error_note_empty_for_clock);
-        }
-    }
-
-    public void onWidgetChanged() {
-        updateWidget();
-    }
-
-    public void onEditTextDelete(int index, String text) {
-        int childCount = mEditTextList.getChildCount();
-        if (childCount == 1) {
-            return;
-        }
-
-        for (int i = index + 1; i < childCount; i++) {
-            ((NoteEditText) mEditTextList.getChildAt(i).findViewById(R.id.et_edit_text))
-                    .setIndex(i - 1);
-        }
-
-        mEditTextList.removeViewAt(index);
-        NoteEditText edit = null;
-        if(index == 0) {
-            edit = (NoteEditText) mEditTextList.getChildAt(0).findViewById(
-                    R.id.et_edit_text);
-        } else {
-            edit = (NoteEditText) mEditTextList.getChildAt(index - 1).findViewById(
-                    R.id.et_edit_text);
-        }
-        int length = edit.length();
-        edit.append(text);
-        edit.requestFocus();
-        edit.setSelection(length);
-    }
-
-    public void onEditTextEnter(int index, String text) {
-        /**
-         * Should not happen, check for debug
-         */
-        if(index > mEditTextList.getChildCount()) {
-            Log.e(TAG, "Index out of mEditTextList boundrary, should not happen");
-        }
-
-        View view = getListItem(text, index);
-        mEditTextList.addView(view, index);
-        NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text);
-        edit.requestFocus();
-        edit.setSelection(0);
-        for (int i = index + 1; i < mEditTextList.getChildCount(); i++) {
-            ((NoteEditText) mEditTextList.getChildAt(i).findViewById(R.id.et_edit_text))
-                    .setIndex(i);
-        }
-    }
-
-    private void switchToListMode(String text) {
-        mEditTextList.removeAllViews();
-        String[] items = text.split("\n");
-        int index = 0;
-        for (String item : items) {
-            if(!TextUtils.isEmpty(item)) {
-                mEditTextList.addView(getListItem(item, index));
-                index++;
-            }
-        }
-        mEditTextList.addView(getListItem("", index));
-        mEditTextList.getChildAt(index).findViewById(R.id.et_edit_text).requestFocus();
-
-        mNoteEditor.setVisibility(View.GONE);
-        mEditTextList.setVisibility(View.VISIBLE);
-    }
-
-    private Spannable getHighlightQueryResult(String fullText, String userQuery) {
-        SpannableString spannable = new SpannableString(fullText == null ? "" : fullText);
-        if (!TextUtils.isEmpty(userQuery)) {
-            mPattern = Pattern.compile(userQuery);
-            Matcher m = mPattern.matcher(fullText);
-            int start = 0;
-            while (m.find(start)) {
-                spannable.setSpan(
-                        new BackgroundColorSpan(this.getResources().getColor(
-                                R.color.user_query_highlight)), m.start(), m.end(),
-                        Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
-                start = m.end();
-            }
-        }
-        return spannable;
-    }
-
-    private View getListItem(String item, int index) {
-        View view = LayoutInflater.from(this).inflate(R.layout.note_edit_list_item, null);
-        final NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text);
-        edit.setTextAppearance(this, TextAppearanceResources.getTexAppearanceResource(mFontSizeId));
-        CheckBox cb = ((CheckBox) view.findViewById(R.id.cb_edit_item));
-        cb.setOnCheckedChangeListener(new OnCheckedChangeListener() {
-            public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
-                if (isChecked) {
-                    edit.setPaintFlags(edit.getPaintFlags() | Paint.STRIKE_THRU_TEXT_FLAG);
-                } else {
-                    edit.setPaintFlags(Paint.ANTI_ALIAS_FLAG | Paint.DEV_KERN_TEXT_FLAG);
-                }
-            }
-        });
-
-        if (item.startsWith(TAG_CHECKED)) {
-            cb.setChecked(true);
-            edit.setPaintFlags(edit.getPaintFlags() | Paint.STRIKE_THRU_TEXT_FLAG);
-            item = item.substring(TAG_CHECKED.length(), item.length()).trim();
-        } else if (item.startsWith(TAG_UNCHECKED)) {
-            cb.setChecked(false);
-            edit.setPaintFlags(Paint.ANTI_ALIAS_FLAG | Paint.DEV_KERN_TEXT_FLAG);
-            item = item.substring(TAG_UNCHECKED.length(), item.length()).trim();
-        }
-
-        edit.setOnTextViewChangeListener(this);
-        edit.setIndex(index);
-        edit.setText(getHighlightQueryResult(item, mUserQuery));
-        return view;
-    }
-
-    public void onTextChange(int index, boolean hasText) {
-        if (index >= mEditTextList.getChildCount()) {
-            Log.e(TAG, "Wrong index, should not happen");
-            return;
-        }
-        if(hasText) {
-            mEditTextList.getChildAt(index).findViewById(R.id.cb_edit_item).setVisibility(View.VISIBLE);
-        } else {
-            mEditTextList.getChildAt(index).findViewById(R.id.cb_edit_item).setVisibility(View.GONE);
-        }
-    }
-
-    public void onCheckListModeChanged(int oldMode, int newMode) {
-        if (newMode == TextNote.MODE_CHECK_LIST) {
-            switchToListMode(mNoteEditor.getText().toString());
-        } else {
-            if (!getWorkingText()) {
-                mWorkingNote.setWorkingText(mWorkingNote.getContent().replace(TAG_UNCHECKED + " ",
-                        ""));
-            }
-            mNoteEditor.setText(getHighlightQueryResult(mWorkingNote.getContent(), mUserQuery));
-            mEditTextList.setVisibility(View.GONE);
-            mNoteEditor.setVisibility(View.VISIBLE);
-        }
-    }
-
-    private boolean getWorkingText() {
-        boolean hasChecked = false;
-        if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) {
-            StringBuilder sb = new StringBuilder();
-            for (int i = 0; i < mEditTextList.getChildCount(); i++) {
-                View view = mEditTextList.getChildAt(i);
-                NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text);
-                if (!TextUtils.isEmpty(edit.getText())) {
-                    if (((CheckBox) view.findViewById(R.id.cb_edit_item)).isChecked()) {
-                        sb.append(TAG_CHECKED).append(" ").append(edit.getText()).append("\n");
-                        hasChecked = true;
-                    } else {
-                        sb.append(TAG_UNCHECKED).append(" ").append(edit.getText()).append("\n");
-                    }
-                }
-            }
-            mWorkingNote.setWorkingText(sb.toString());
-        } else {
-            mWorkingNote.setWorkingText(mNoteEditor.getText().toString());
-        }
-        return hasChecked;
-    }
-
-    private boolean saveNote() {
-        getWorkingText();
-        boolean saved = mWorkingNote.saveNote();
-        if (saved) {
-            /**
-             * There are two modes from List view to edit view, open one note,
-             * create/edit a node. Opening node requires to the original
-             * position in the list when back from edit view, while creating a
-             * new node requires to the top of the list. This code
-             * {@link #RESULT_OK} is used to identify the create/edit state
-             */
-            setResult(RESULT_OK);
-        }
-        return saved;
-    }
-
-    private void sendToDesktop() {
-        /**
-         * Before send message to home, we should make sure that current
-         * editing note is exists in databases. So, for new note, firstly
-         * save it
-         */
-        if (!mWorkingNote.existInDatabase()) {
-            saveNote();
-        }
-
-        if (mWorkingNote.getNoteId() > 0) {
-            Intent sender = new Intent();
-            Intent shortcutIntent = new Intent(this, NoteEditActivity.class);
-            shortcutIntent.setAction(Intent.ACTION_VIEW);
-            shortcutIntent.putExtra(Intent.EXTRA_UID, mWorkingNote.getNoteId());
-            sender.putExtra(Intent.EXTRA_SHORTCUT_INTENT, shortcutIntent);
-            sender.putExtra(Intent.EXTRA_SHORTCUT_NAME,
-                    makeShortcutIconTitle(mWorkingNote.getContent()));
-            sender.putExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE,
-                    Intent.ShortcutIconResource.fromContext(this, R.drawable.icon_app));
-            sender.putExtra("duplicate", true);
-            sender.setAction("com.android.launcher.action.INSTALL_SHORTCUT");
-            showToast(R.string.info_note_enter_desktop);
-            sendBroadcast(sender);
-        } else {
-            /**
-             * There is the condition that user has input nothing (the note is
-             * not worthy saving), we have no note id, remind the user that he
-             * should input something
-             */
-            Log.e(TAG, "Send to desktop error");
-            showToast(R.string.error_note_empty_for_send_to_desktop);
-        }
-    }
-
-    private String makeShortcutIconTitle(String content) {
-        content = content.replace(TAG_CHECKED, "");
-        content = content.replace(TAG_UNCHECKED, "");
-        return content.length() > SHORTCUT_ICON_TITLE_MAX_LEN ? content.substring(0,
-                SHORTCUT_ICON_TITLE_MAX_LEN) : content;
-    }
-
-    private void showToast(int resId) {
-        showToast(resId, Toast.LENGTH_SHORT);
-    }
-
-    private void showToast(int resId, int duration) {
-        Toast.makeText(this, resId, duration).show();
-    }
-}

model/model/WorkingNote.java

@@ -38,7 +38,7 @@ public class WorkingNote {
     // Note Id
     private long mNoteId;
     // Note content
-    private String mContent;
+    public String mContent;
     // Note mode
     private int mMode;
 
@@ -187,6 +187,8 @@ public class WorkingNote {
         return new WorkingNote(context, id, 0);
     }
 
+    //TODO
+    //保存便签（自动）
     public synchronized boolean saveNote() {
         if (isWorthSaving()) {
             if (!existInDatabase()) {
@@ -229,6 +231,8 @@ public class WorkingNote {
         mNoteSettingStatusListener = l;
     }
 
+    //TODO
+    //删除提醒
     public void setAlertDate(long date, boolean set) {
         if (date != mAlertDate) {
             mAlertDate = date;
@@ -247,6 +251,8 @@ public class WorkingNote {
         }
     }
 
+    //TODO
+    //修改便签背景颜色
     public void setBgColorId(int id) {
         if (id != mBgColorId) {
             mBgColorId = id;
@@ -257,6 +263,8 @@ public class WorkingNote {
         }
     }
 
+    //TODO
+    //进入清单模式
     public void setCheckListMode(int mode) {
         if (mMode != mode) {
             if (mNoteSettingStatusListener != null) {

src/main/AndroidManifest.xml

@@ -0,0 +1,147 @@
+<?xml version="1.0" encoding="utf-8"?>
+<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="1.0">
+
+    <uses-sdk android:minSdkVersion="16" />
+
+    <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"
+        tools:ignore="ExtraText">
+
+            <!-- 其他声明 -->
+        <activity
+                android:name=".ui.ShowResultActivity"
+                android:configChanges="orientation|keyboardHidden|screenSize"
+                android:theme="@style/Theme.AppCompat.Light.DarkActionBar"
+                android:label="Show Result" />
+            <!-- 其他声明 -->
+
+        
+        <activity
+            android:name=".ui.SplashActivity"
+            android:configChanges="orientation|keyboardHidden|screenSize"
+            android:theme="@style/Theme.Notes1.Fullscreen">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+        <activity
+            android:name=".ui.NotesListActivity"
+            android:configChanges="keyboardHidden|orientation|screenSize"
+            android:label="@string/app_name"
+            android:launchMode="singleTop"
+            android:theme="@style/Theme.AppCompat.Light.DarkActionBar"
+            android:uiOptions="splitActionBarWhenNarrow"
+            android:windowSoftInputMode="adjustPan"></activity>
+        <activity
+            android:name=".ui.NoteEditActivity"
+            android:configChanges="keyboardHidden|orientation|screenSize"
+            android:launchMode="singleTop"
+            android:theme="@style/Theme.AppCompat.Light.DarkActionBar">
+
+            <!-- android:theme="@style/NoteTheme" -->
+
+            <intent-filter 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=".data.NotesProvider"
+            android:authorities="micode_notes"
+            android:multiprocess="true" />
+
+        <receiver
+            android:name=".widget.NoteWidgetProvider_2x"
+            android:label="@string/app_widget2x2">
+            <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">
+            <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">
+            <intent-filter>
+                <action android:name="android.intent.action.BOOT_COMPLETED" />
+            </intent-filter>
+        </receiver>
+        <receiver
+            android:name=".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=".ui.NotesPreferenceActivity"
+            android:label="@string/preferences_title"
+            android:launchMode="singleTop"
+            android:theme="@android:style/Theme.Holo.Light"></activity>
+
+        <service
+            android:name=".gtask.remote.GTaskSyncService"
+            android:exported="false"></service>
+
+        <meta-data
+            android:name="android.app.default_searchable"
+            android:value=".ui.NoteEditActivity" />
+    </application>
+
+</manifest>

src/main/java/net/micode/notes/data/Contact.java

@@ -36,6 +36,8 @@ public class Contact {
             + " FROM phone_lookup"
             + " WHERE min_match = '+')";
 
+    //TODO
+    //识别电话号码
     public static String getContact(Context context, String phoneNumber) {
         if(sContactCache == null) {
             sContactCache = new HashMap<String, String>();

src/main/java/net/micode/notes/data/DataFetch.java

@@ -0,0 +1,79 @@
+package net.micode.notes.data;
+
+import android.content.Context;
+import android.os.Bundle;
+import android.support.v7.app.AppCompatActivity;
+import android.text.TextUtils;
+import android.view.View;
+import android.widget.EditText;
+import android.widget.Toast;
+
+import java.io.BufferedReader;
+import java.io.BufferedWriter;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.OutputStreamWriter;
+
+public class DataFetch extends AppCompatActivity {
+    /***
+     * 判断文件是否存在
+     * @param strFile
+     * @return
+     */
+    public boolean fileIsExists(Context context, String strFile) {
+        boolean fileExistFlag;
+        try{
+            context.openFileInput(strFile);
+            fileExistFlag = true;
+        } catch (FileNotFoundException e){
+            fileExistFlag = false;
+        }
+        return fileExistFlag;
+    }
+
+    /**
+     * 文件内容写函数
+     * @param context
+     * @param file_name
+     * @param key
+     */
+    public void writeFile(Context context, String file_name, String key){
+        try {
+            FileOutputStream fos = context.openFileOutput(file_name, Context.MODE_PRIVATE);
+            OutputStreamWriter osw = new OutputStreamWriter(fos, "UTF-8");
+            osw.write(key);
+            osw.flush();
+            fos.flush();  //输出缓冲区中所有的内容
+            osw.close();
+            fos.close();
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    /**
+     * 文件内容读取函数
+     * @param context
+     * @param filename
+     */
+    public String readFile(Context context, String filename) {
+        try {
+            FileInputStream fis = context.openFileInput(filename);
+            InputStreamReader isr = new InputStreamReader(fis, "UTF-8");
+            char[] input = new char[fis.available()];  //available()用于获取filename内容的长度,但是对中文有问题，建议使用BufferReader
+            isr.read(input);  //读取并存储到input中
+            isr.close();
+            fis.close();//读取完成后关闭
+            String str = new String(input);
+            return str;
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        return "error";
+    }
+
+}

src/main/java/net/micode/notes/data/Notes.java

@@ -206,35 +206,35 @@ public class Notes {
 
 
         /**
-         * Generic data column, the meaning is {@link #MIMETYPE} specific, used for
+         * Generic data column, the meaning is  specific, used for
          * integer data type
          * <P> Type: INTEGER </P>
          */
         public static final String DATA1 = "data1";
 
         /**
-         * Generic data column, the meaning is {@link #MIMETYPE} specific, used for
+         * Generic data column, the meaning is  specific, used for
          * integer data type
          * <P> Type: INTEGER </P>
          */
         public static final String DATA2 = "data2";
 
         /**
-         * Generic data column, the meaning is {@link #MIMETYPE} specific, used for
+         * Generic data column, the meaning is  specific, used for
          * TEXT data type
          * <P> Type: TEXT </P>
          */
         public static final String DATA3 = "data3";
 
         /**
-         * Generic data column, the meaning is {@link #MIMETYPE} specific, used for
+         * Generic data column, the meaning is   specific, used for
          * TEXT data type
          * <P> Type: TEXT </P>
          */
         public static final String DATA4 = "data4";
 
         /**
-         * Generic data column, the meaning is {@link #MIMETYPE} specific, used for
+         * Generic data column, the meaning is  specific, used for
          * TEXT data type
          * <P> Type: TEXT </P>
          */

src/main/java/net/micode/notes/data/NotesDatabaseHelper.java

@@ -16,16 +16,24 @@
 
 package net.micode.notes.data;
 
+import android.content.ContentUris;
 import android.content.ContentValues;
 import android.content.Context;
+import android.database.Cursor;
 import android.database.sqlite.SQLiteDatabase;
 import android.database.sqlite.SQLiteOpenHelper;
+import android.net.Uri;
 import android.util.Log;
 
 import net.micode.notes.data.Notes.DataColumns;
 import net.micode.notes.data.Notes.DataConstants;
 import net.micode.notes.data.Notes.NoteColumns;
 
+import java.util.ArrayList;
+import java.util.List;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
 
 public class NotesDatabaseHelper extends SQLiteOpenHelper {
     private static final String DB_NAME = "note.db";
@@ -359,4 +367,65 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
         db.execSQL("ALTER TABLE " + TABLE.NOTE + " ADD COLUMN " + NoteColumns.VERSION
                 + " INTEGER NOT NULL DEFAULT 0");
     }
+
+    //创建搜索类,利用sql语句
+    public List<String> dosearch(String querystring) //搜索时不区分大小写
+    {
+        Cursor cursor = null;
+        List<String> results = new ArrayList<>();
+
+        SQLiteDatabase db = mInstance.getReadableDatabase();
+        String query_sql_string = "select * from " + TABLE.DATA + " where content like " + "'%"+ querystring + "%'";
+        Log.i(TAG,query_sql_string);
+        cursor = db.rawQuery(query_sql_string,null);
+        if(cursor!=null)
+        {
+            while(cursor.moveToNext())
+            {
+                String content = cursor.getString(cursor.getColumnIndex("content"));
+
+                // 过滤包含特定字符串的[local]和[/local]部分
+                if(filterLocalContent(content, querystring)){
+                    results.add(content);
+                }
+                //打印测试
+                Log.i(TAG, content);
+                int id = cursor.getInt(cursor.getColumnIndex("_id")); // 获取便签 ID
+                //构造便签笔记的 URI
+                Uri noteUri = ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id);
+                Log.e(TAG, String.valueOf(noteUri));
+                //启动便签笔记编辑器页面
+                //这里启动的页面放在ShowReultActivity活动文件中去
+
+            }
+        }
+        cursor.close();
+        return results;
+    }
+    private boolean filterLocalContent(String content, String querystring) {
+        Pattern pattern = Pattern.compile("\\[local\\](.*?)\\[/local\\]");
+        Matcher matcher = pattern.matcher(content);
+
+        StringBuilder filteredContent = new StringBuilder();
+        int lastIndex = 0;
+        while (matcher.find()) {
+            String match = matcher.group(1); // 获取匹配到的文本内容
+            filteredContent.append(content, lastIndex, matcher.start()); // 添加匹配前的文本
+            lastIndex = matcher.end(); // 更新最后一个匹配结束的索引位置
+
+            if (match.contains(querystring)) {
+                return false;
+            }else{
+                filteredContent.append(match); // 添加不包含查询字符串的匹配文本
+            }
+        }
+
+        if (lastIndex < content.length()) {
+            filteredContent.append(content.substring(lastIndex)); // 添加剩余的文本内容
+        }
+        Log.e(TAG,filteredContent.toString());
+
+        return true;
+    }
+
 }

src/main/java/net/micode/notes/gtask/data/Node.java

@@ -46,6 +46,75 @@ public abstract class Node {
     private long mLastModified;
 
     private boolean mDeleted;
+    private String title;
+    private String content;
+
+    private boolean isPinned; // 置顶状态
+    private boolean isStarred; // 星标状态
+
+    public boolean isPinned() {
+        return isPinned;
+    }
+
+    public void setPinned(boolean pinned) {
+        isPinned = pinned;
+    }
+
+    public boolean isStarred() {
+        return isStarred;
+    }
+
+    public void setStarred(boolean starred) {
+        isStarred = starred;
+    }
+
+    public String getmGid() {
+        return mGid;
+    }
+
+    public void setmGid(String mGid) {
+        this.mGid = mGid;
+    }
+
+    public String getmName() {
+        return mName;
+    }
+
+    public void setmName(String mName) {
+        this.mName = mName;
+    }
+
+    public long getmLastModified() {
+        return mLastModified;
+    }
+
+    public void setmLastModified(long mLastModified) {
+        this.mLastModified = mLastModified;
+    }
+
+    public boolean ismDeleted() {
+        return mDeleted;
+    }
+
+    public void setmDeleted(boolean mDeleted) {
+        this.mDeleted = mDeleted;
+    }
+
+    public String getTitle() {
+        return title;
+    }
+
+    public void setTitle(String title) {
+        this.title = title;
+    }
+
+    public String getContent() {
+        return content;
+    }
+
+    public void setContent(String content) {
+        this.content = content;
+    }
 
     public Node() {
         mGid = null;

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

@@ -64,21 +64,25 @@ public class GTaskASyncTask extends AsyncTask<Void, String, Integer> {
     }
 
     private void showNotification(int tickerId, String content) {
-        Notification notification = new Notification(R.drawable.notification, mContext
+
-                .getString(tickerId), System.currentTimeMillis());
-        notification.defaults = Notification.DEFAULT_LIGHTS;
-        notification.flags = Notification.FLAG_AUTO_CANCEL;
         PendingIntent pendingIntent;
         if (tickerId != R.string.ticker_success) {
             pendingIntent = PendingIntent.getActivity(mContext, 0, new Intent(mContext,
                     NotesPreferenceActivity.class), 0);
-
         } else {
             pendingIntent = PendingIntent.getActivity(mContext, 0, new Intent(mContext,
                     NotesListActivity.class), 0);
         }
-        notification.setLatestEventInfo(mContext, mContext.getString(R.string.app_name), content,
+
-                pendingIntent);
+        Notification.Builder builder = new Notification.Builder(mContext)
+                .setAutoCancel(true)
+                .setContentTitle(mContext.getString(R.string.app_name))
+                .setContentText(content)
+                .setContentIntent(pendingIntent)
+                .setWhen(System.currentTimeMillis())
+                .setOngoing(true);
+        Notification notification=builder.getNotification();
+
         mNotifiManager.notify(GTASK_SYNC_NOTIFICATION_ID, notification);
     }
 

src/main/java/net/micode/notes/gtask/remote/GTaskManager.java

@@ -97,6 +97,7 @@ public class GTaskManager {
         mLocalDeleteIdMap = new HashSet<Long>();
         mGidToNid = new HashMap<String, Long>();
         mNidToGid = new HashMap<Long, String>();
+
     }
 
     public static synchronized GTaskManager getInstance() {
@@ -104,11 +105,13 @@ public class GTaskManager {
             mInstance = new GTaskManager();
         }
         return mInstance;
+
     }
 
     public synchronized void setActivityContext(Activity activity) {
         // used for getting authtoken
         mActivity = activity;
+
     }
 
     public int sync(Context context, GTaskASyncTask asyncTask) {
@@ -148,13 +151,16 @@ public class GTaskManager {
         } catch (NetworkFailureException e) {
             Log.e(TAG, e.toString());
             return STATE_NETWORK_ERROR;
+
         } catch (ActionFailureException e) {
             Log.e(TAG, e.toString());
             return STATE_INTERNAL_ERROR;
+
         } catch (Exception e) {
             Log.e(TAG, e.toString());
             e.printStackTrace();
             return STATE_INTERNAL_ERROR;
+
         } finally {
             mGTaskListHashMap.clear();
             mGTaskHashMap.clear();
@@ -163,6 +169,7 @@ public class GTaskManager {
             mGidToNid.clear();
             mNidToGid.clear();
             mSyncing = false;
+
         }
 
         return mCancelled ? STATE_SYNC_CANCELLED : STATE_SUCCESS;

src/main/java/net/micode/notes/gtask/remote/GTaskSyncService.java

@@ -42,6 +42,8 @@ public class GTaskSyncService extends Service {
 
     private static String mSyncProgress = "";
 
+    //TODO
+    //同步操作
     private void startSync() {
         if (mSyncTask == null) {
             mSyncTask = new GTaskASyncTask(this, new GTaskASyncTask.OnCompleteListener() {

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/main/java/net/micode/notes/model/WorkingNote.java

@@ -0,0 +1,376 @@
+/*
+ * 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.appwidget.AppWidgetManager;
+import android.content.ContentUris;
+import android.content.Context;
+import android.database.Cursor;
+import android.text.TextUtils;
+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.DataConstants;
+import net.micode.notes.data.Notes.NoteColumns;
+import net.micode.notes.data.Notes.TextNote;
+import net.micode.notes.tool.ResourceParser.NoteBgResources;
+
+
+public class WorkingNote {
+    // Note for the working note
+    private Note mNote;
+    // Note Id
+    private long mNoteId;
+    // Note content
+    public String mContent;
+    // Note mode
+    private int mMode;
+
+    private long mAlertDate;
+
+    private long mModifiedDate;
+
+    private int mBgColorId;
+
+    private int mWidgetId;
+
+    private int mWidgetType;
+
+    private long mFolderId;
+
+    private Context mContext;
+
+    private static final String TAG = "WorkingNote";
+
+    private boolean mIsDeleted;
+
+    private NoteSettingChangedListener mNoteSettingStatusListener;
+
+    public static final String[] DATA_PROJECTION = new String[] {
+            DataColumns.ID,
+            DataColumns.CONTENT,
+            DataColumns.MIME_TYPE,
+            DataColumns.DATA1,
+            DataColumns.DATA2,
+            DataColumns.DATA3,
+            DataColumns.DATA4,
+    };
+
+    public static final String[] NOTE_PROJECTION = new String[] {
+            NoteColumns.PARENT_ID,
+            NoteColumns.ALERTED_DATE,
+            NoteColumns.BG_COLOR_ID,
+            NoteColumns.WIDGET_ID,
+            NoteColumns.WIDGET_TYPE,
+            NoteColumns.MODIFIED_DATE
+    };
+
+    private static final int DATA_ID_COLUMN = 0;
+
+    private static final int DATA_CONTENT_COLUMN = 1;
+
+    private static final int DATA_MIME_TYPE_COLUMN = 2;
+
+    private static final int DATA_MODE_COLUMN = 3;
+
+    private static final int NOTE_PARENT_ID_COLUMN = 0;
+
+    private static final int NOTE_ALERTED_DATE_COLUMN = 1;
+
+    private static final int NOTE_BG_COLOR_ID_COLUMN = 2;
+
+    private static final int NOTE_WIDGET_ID_COLUMN = 3;
+
+    private static final int NOTE_WIDGET_TYPE_COLUMN = 4;
+
+    private static final int NOTE_MODIFIED_DATE_COLUMN = 5;
+
+    // New note construct
+    private WorkingNote(Context context, long folderId) {
+        mContext = context;
+        mAlertDate = 0;
+        mModifiedDate = System.currentTimeMillis();
+        mFolderId = folderId;
+        mNote = new Note();
+        mNoteId = 0;
+        mIsDeleted = false;
+        mMode = 0;
+        mWidgetType = Notes.TYPE_WIDGET_INVALIDE;
+    }
+
+    // Existing note construct
+    private WorkingNote(Context context, long noteId, long folderId) {
+        mContext = context;
+        mNoteId = noteId;
+        mFolderId = folderId;
+        mIsDeleted = false;
+        mNote = new Note();
+        loadNote();
+    }
+
+    private void loadNote() {
+        Cursor cursor = mContext.getContentResolver().query(
+                ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, mNoteId), NOTE_PROJECTION, null,
+                null, null);
+
+        if (cursor != null) {
+            if (cursor.moveToFirst()) {
+                mFolderId = cursor.getLong(NOTE_PARENT_ID_COLUMN);
+                mBgColorId = cursor.getInt(NOTE_BG_COLOR_ID_COLUMN);
+                mWidgetId = cursor.getInt(NOTE_WIDGET_ID_COLUMN);
+                mWidgetType = cursor.getInt(NOTE_WIDGET_TYPE_COLUMN);
+                mAlertDate = cursor.getLong(NOTE_ALERTED_DATE_COLUMN);
+                mModifiedDate = cursor.getLong(NOTE_MODIFIED_DATE_COLUMN);
+            }
+            cursor.close();
+        } else {
+            Log.e(TAG, "No note with id:" + mNoteId);
+            throw new IllegalArgumentException("Unable to find note with id " + mNoteId);
+        }
+        loadNoteData();
+    }
+
+    private void loadNoteData() {
+        Cursor cursor = mContext.getContentResolver().query(Notes.CONTENT_DATA_URI, DATA_PROJECTION,
+                DataColumns.NOTE_ID + "=?", new String[] {
+                    String.valueOf(mNoteId)
+                }, null);
+
+        if (cursor != null) {
+            if (cursor.moveToFirst()) {
+                do {
+                    String type = cursor.getString(DATA_MIME_TYPE_COLUMN);
+                    if (DataConstants.NOTE.equals(type)) {
+                        mContent = cursor.getString(DATA_CONTENT_COLUMN);
+                        mMode = cursor.getInt(DATA_MODE_COLUMN);
+                        mNote.setTextDataId(cursor.getLong(DATA_ID_COLUMN));
+                    } else if (DataConstants.CALL_NOTE.equals(type)) {
+                        mNote.setCallDataId(cursor.getLong(DATA_ID_COLUMN));
+                    } else {
+                        Log.d(TAG, "Wrong note type with type:" + type);
+                    }
+                } while (cursor.moveToNext());
+            }
+            cursor.close();
+        } else {
+            Log.e(TAG, "No data with id:" + mNoteId);
+            throw new IllegalArgumentException("Unable to find note's data with id " + mNoteId);
+        }
+    }
+
+    public static WorkingNote createEmptyNote(Context context, long folderId, int widgetId,
+            int widgetType, int defaultBgColorId) {
+        WorkingNote note = new WorkingNote(context, folderId);
+        note.setBgColorId(defaultBgColorId);
+        note.setWidgetId(widgetId);
+        note.setWidgetType(widgetType);
+        return note;
+    }
+
+    public static WorkingNote load(Context context, long id) {
+        return new WorkingNote(context, id, 0);
+    }
+
+    //TODO
+    //保存便签（自动）
+    public synchronized boolean saveNote() {
+        if (isWorthSaving()) {
+            if (!existInDatabase()) {
+                if ((mNoteId = Note.getNewNoteId(mContext, mFolderId)) == 0) {
+                    Log.e(TAG, "Create new note fail with id:" + mNoteId);
+                    return false;
+                }
+            }
+
+            mNote.syncNote(mContext, mNoteId);
+
+            /**
+             * Update widget content if there exist any widget of this note
+             */
+            if (mWidgetId != AppWidgetManager.INVALID_APPWIDGET_ID
+                    && mWidgetType != Notes.TYPE_WIDGET_INVALIDE
+                    && mNoteSettingStatusListener != null) {
+                mNoteSettingStatusListener.onWidgetChanged();
+            }
+            return true;
+        } else {
+            return false;
+        }
+    }
+
+    public boolean existInDatabase() {
+        return mNoteId > 0;
+    }
+
+    private boolean isWorthSaving() {
+        if (mIsDeleted || (!existInDatabase() && TextUtils.isEmpty(mContent))
+                || (existInDatabase() && !mNote.isLocalModified())) {
+            return false;
+        } else {
+            return true;
+        }
+    }
+
+    public void setOnSettingStatusChangedListener(NoteSettingChangedListener l) {
+        mNoteSettingStatusListener = l;
+    }
+
+    //TODO
+    //删除提醒
+    public void setAlertDate(long date, boolean set) {
+        if (date != mAlertDate) {
+            mAlertDate = date;
+            mNote.setNoteValue(NoteColumns.ALERTED_DATE, String.valueOf(mAlertDate));
+        }
+        if (mNoteSettingStatusListener != null) {
+            mNoteSettingStatusListener.onClockAlertChanged(date, set);
+        }
+    }
+
+    public void markDeleted(boolean mark) {
+        mIsDeleted = mark;
+        if (mWidgetId != AppWidgetManager.INVALID_APPWIDGET_ID
+                && mWidgetType != Notes.TYPE_WIDGET_INVALIDE && mNoteSettingStatusListener != null) {
+                mNoteSettingStatusListener.onWidgetChanged();
+        }
+    }
+
+    //TODO
+    //修改便签背景颜色
+    public void setBgColorId(int id) {
+        if (id != mBgColorId) {
+            mBgColorId = id;
+            if (mNoteSettingStatusListener != null) {
+                mNoteSettingStatusListener.onBackgroundColorChanged();
+            }
+            mNote.setNoteValue(NoteColumns.BG_COLOR_ID, String.valueOf(id));
+        }
+    }
+
+    //TODO
+    //进入清单模式
+    public void setCheckListMode(int mode) {
+        if (mMode != mode) {
+            if (mNoteSettingStatusListener != null) {
+                mNoteSettingStatusListener.onCheckListModeChanged(mMode, mode);
+            }
+            mMode = mode;
+            mNote.setTextData(TextNote.MODE, String.valueOf(mMode));
+        }
+    }
+
+    public void setWidgetType(int type) {
+        if (type != mWidgetType) {
+            mWidgetType = type;
+            mNote.setNoteValue(NoteColumns.WIDGET_TYPE, String.valueOf(mWidgetType));
+        }
+    }
+
+    public void setWidgetId(int id) {
+        if (id != mWidgetId) {
+            mWidgetId = id;
+            mNote.setNoteValue(NoteColumns.WIDGET_ID, String.valueOf(mWidgetId));
+        }
+    }
+
+    public void setWorkingText(String text) {
+        if (!TextUtils.equals(mContent, text)) {
+            mContent = text;
+            mNote.setTextData(DataColumns.CONTENT, mContent);
+        }
+    }
+
+    public void convertToCallNote(String phoneNumber, long callDate) {
+        mNote.setCallData(CallNote.CALL_DATE, String.valueOf(callDate));
+        mNote.setCallData(CallNote.PHONE_NUMBER, phoneNumber);
+        mNote.setNoteValue(NoteColumns.PARENT_ID, String.valueOf(Notes.ID_CALL_RECORD_FOLDER));
+    }
+
+    public boolean hasClockAlert() {
+        return (mAlertDate > 0 ? true : false);
+    }
+
+    public String getContent() {
+        return mContent;
+    }
+
+    public long getAlertDate() {
+        return mAlertDate;
+    }
+
+    public long getModifiedDate() {
+        return mModifiedDate;
+    }
+
+    public int getBgColorResId() {
+        return NoteBgResources.getNoteBgResource(mBgColorId);
+    }
+
+    public int getBgColorId() {
+        return mBgColorId;
+    }
+
+    public int getTitleBgResId() {
+        return NoteBgResources.getNoteTitleBgResource(mBgColorId);
+    }
+
+    public int getCheckListMode() {
+        return mMode;
+    }
+
+    public long getNoteId() {
+        return mNoteId;
+    }
+
+    public long getFolderId() {
+        return mFolderId;
+    }
+
+    public int getWidgetId() {
+        return mWidgetId;
+    }
+
+    public int getWidgetType() {
+        return mWidgetType;
+    }
+
+    public interface NoteSettingChangedListener {
+        /**
+         * Called when the background color of current note has just changed
+         */
+        void onBackgroundColorChanged();
+
+        /**
+         * Called when user set clock
+         */
+        void onClockAlertChanged(long date, boolean set);
+
+        /**
+         * Call when user create note from widget
+         */
+        void onWidgetChanged();
+
+        /**
+         * Call when switch between check list mode and normal mode
+         * @param oldMode is previous mode before change
+         * @param newMode is new mode
+         */
+        void onCheckListModeChanged(int oldMode, int newMode);
+    }
+}

src/main/java/net/micode/notes/tool/DataUtils.java

@@ -72,6 +72,8 @@ public class DataUtils {
         return false;
     }
 
+    // TODO
+    // 移动标签
     public static void moveNoteToFoler(ContentResolver resolver, long id, long srcFolderId, long desFolderId) {
         ContentValues values = new ContentValues();
         values.put(NoteColumns.PARENT_ID, desFolderId);
@@ -80,6 +82,8 @@ public class DataUtils {
         resolver.update(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id), values, null, null);
     }
 
+    // TODO
+    // 移动标签文件
     public static boolean batchMoveToFolder(ContentResolver resolver, HashSet<Long> ids,
             long folderId) {
         if (ids == null) {

src/main/java/net/micode/notes/tool/MD5Calc.java

@@ -0,0 +1,30 @@
+package net.micode.notes.tool;
+
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+
+public class MD5Calc {
+    /**
+     * Java中的md5
+     * @param content 输入的值
+     * @return 输出md5加密后的值
+     */
+    public static String md5Java(String content) {
+        byte[] hash;
+        try {
+            hash = MessageDigest.getInstance("MD5").digest(content.getBytes());
+        } catch (NoSuchAlgorithmException e) {
+            throw new RuntimeException("NoSuchAlgorithmException", e);
+        }
+
+        StringBuilder hex = new StringBuilder(hash.length * 2);
+        for (byte b : hash) {
+            if ((b & 0xFF) < 0x10) {
+                hex.append(0);
+            }
+            hex.append(Integer.toHexString(b & 0xff));
+        }
+
+        return hex.toString();
+    }
+}

src/main/java/net/micode/notes/ui/AlarmAlertActivity.java

@@ -41,34 +41,44 @@ import java.io.IOException;
 
 
 public class AlarmAlertActivity extends Activity implements OnClickListener, OnDismissListener {
-    private long mNoteId;
+    private long mNoteId; //文本的id号
-    private String mSnippet;
+    private String mSnippet; //闹钟提示出现的文本字段
     private static final int SNIPPET_PREW_MAX_LEN = 60;
     MediaPlayer mPlayer;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
+        ////Bundle类型的数据与Map类型的数据相似，都是以key-value的形式存储数据的
+        //       onsaveInstanceState方法是用来保存Activity的状态的
+        //       能从onCreate的参数savedInsanceState中获得状态数据
         requestWindowFeature(Window.FEATURE_NO_TITLE);
+        ////界面显示——无标题
 
         final Window win = getWindow();
         win.addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
 
         if (!isScreenOn()) {
+            //保持窗体点亮
             win.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON
+                    //点亮
                     | WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON
+                    //允许窗体点亮时候锁屏
                     | WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON
+                    //手机锁屏后到了闹钟提示时间，自动点亮屏幕
                     | WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR);
         }
 
         Intent intent = getIntent();
 
         try {
+            //根据ID从数据库中获取标签的内容；
+            //getContentResolver（）是实现数据共享，实例存储。
             mNoteId = Long.valueOf(intent.getData().getPathSegments().get(1));
             mSnippet = DataUtils.getSnippetById(this.getContentResolver(), mNoteId);
             mSnippet = mSnippet.length() > SNIPPET_PREW_MAX_LEN ? mSnippet.substring(0,
                     SNIPPET_PREW_MAX_LEN) + getResources().getString(R.string.notelist_string_info)
-                    : mSnippet;
+                    : mSnippet;//判断标签片段是否达到符合长度
         } catch (IllegalArgumentException e) {
             e.printStackTrace();
             return;
@@ -84,11 +94,14 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD
     }
 
     private boolean isScreenOn() {
+        //判断屏幕是否锁屏，调用系统函数判断，最后返回值是布尔类型
         PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
         return pm.isScreenOn();
     }
 
     private void playAlarmSound() {
+        //闹钟提示音激发
+        //调用系统的铃声管理URI，得到闹钟提示音
         Uri url = RingtoneManager.getActualDefaultRingtoneUri(this, RingtoneManager.TYPE_ALARM);
 
         int silentModeStreams = Settings.System.getInt(getContentResolver(),
@@ -101,8 +114,11 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD
         }
         try {
             mPlayer.setDataSource(this, url);
+            //准备同步
             mPlayer.prepare();
+            //设置循环播放
             mPlayer.setLooping(true);
+            //开始播放
             mPlayer.start();
         } catch (IllegalArgumentException e) {
             // TODO Auto-generated catch block

src/main/java/net/micode/notes/ui/AlarmInitReceiver.java

@@ -35,12 +35,14 @@ public class AlarmInitReceiver extends BroadcastReceiver {
         NoteColumns.ALERTED_DATE
     };
 
+    //对数据库的操作，调用标签ID和闹钟时间
     private static final int COLUMN_ID                = 0;
     private static final int COLUMN_ALERTED_DATE      = 1;
 
     @Override
     public void onReceive(Context context, Intent intent) {
         long currentDate = System.currentTimeMillis();
+        //Cursor在这里的作用是通过查找数据库中的标签内容，找到和当前系统时间相等的标签
         Cursor c = context.getContentResolver().query(Notes.CONTENT_NOTE_URI,
                 PROJECTION,
                 NoteColumns.ALERTED_DATE + ">? AND " + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE,

src/main/java/net/micode/notes/ui/AlarmReceiver.java

@@ -22,9 +22,15 @@ import android.content.Intent;
 
 public class AlarmReceiver extends BroadcastReceiver {
     @Override
+    //启动AlarmAlertActivity
     public void onReceive(Context context, Intent intent) {
         intent.setClass(context, AlarmAlertActivity.class);
         intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+        //activity要存在于activity的栈中，而非activity的途径启动activity时必然不存在一个activity的栈
+        //所以要新起一个栈装入启动的activity
+
         context.startActivity(intent);
     }
 }
+//这是实现alarm这个功能最接近用户层的包，基于上面的两个包，
+//作用还需要深究但是对于setClass和addFlags

src/main/java/net/micode/notes/ui/DateTimePicker.java

@@ -28,6 +28,8 @@ import android.view.View;
 import android.widget.FrameLayout;
 import android.widget.NumberPicker;
 
+//FrameLayout是布局模板之一
+//所有的子元素全部在屏幕的右上方
 public class DateTimePicker extends FrameLayout {
 
     private static final boolean DEFAULT_ENABLE_STATE = true;
@@ -83,6 +85,7 @@ public class DateTimePicker extends FrameLayout {
                     cal.setTimeInMillis(mDate.getTimeInMillis());
                     cal.add(Calendar.DAY_OF_YEAR, 1);
                     isDateChanged = true;
+                    //这里是对于12小时制时，晚上11点和12点交替时对日期的更改
                 } else if (mIsAm && oldVal == HOURS_IN_HALF_DAY && newVal == HOURS_IN_HALF_DAY - 1) {
                     cal.setTimeInMillis(mDate.getTimeInMillis());
                     cal.add(Calendar.DAY_OF_YEAR, -1);
@@ -94,6 +97,7 @@ public class DateTimePicker extends FrameLayout {
                     updateAmPmControl();
                 }
             } else {
+                //24小时
                 if (oldVal == HOURS_IN_ALL_DAY - 1 && newVal == 0) {
                     cal.setTimeInMillis(mDate.getTimeInMillis());
                     cal.add(Calendar.DAY_OF_YEAR, 1);
@@ -117,10 +121,14 @@ public class DateTimePicker extends FrameLayout {
 
     private NumberPicker.OnValueChangeListener mOnMinuteChangedListener = new NumberPicker.OnValueChangeListener() {
         @Override
+        //这里是对 分钟（Minute）改变的监听
         public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
             int minValue = mMinuteSpinner.getMinValue();
             int maxValue = mMinuteSpinner.getMaxValue();
             int offset = 0;
+            //如果原值为59，新值为0，则offset加1
+            //如果原值为0，新值为59，则offset减1
+
             if (oldVal == maxValue && newVal == minValue) {
                 offset += 1;
             } else if (oldVal == minValue && newVal == maxValue) {
@@ -167,6 +175,7 @@ public class DateTimePicker extends FrameLayout {
         this(context, System.currentTimeMillis());
     }
 
+    //通过对数据库的访问，获取当前的系统时间
     public DateTimePicker(Context context, long date) {
         this(context, date, DateFormat.is24HourFormat(context));
     }

src/main/java/net/micode/notes/ui/DateTimePickerDialog.java

@@ -33,9 +33,12 @@ public class DateTimePickerDialog extends AlertDialog implements OnClickListener
 
     private Calendar mDate = Calendar.getInstance();
     private boolean mIs24HourView;
-    private OnDateTimeSetListener mOnDateTimeSetListener;
+    private OnDateTimeSetListener mOnDateTimeSetListener; //滚动日期选择
     private DateTimePicker mDateTimePicker;
 
+    //DateTimePicker控件，控件一般用于让用户可以从日期列表中选择单个值。
+    //运行时，单击控件边上的下拉箭头，会显示为两个部分：一个下拉列表，一个用于选择日期的
+
     public interface OnDateTimeSetListener {
         void OnDateTimeSet(AlertDialog dialog, long date);
     }
@@ -47,6 +50,8 @@ public class DateTimePickerDialog extends AlertDialog implements OnClickListener
         mDateTimePicker.setOnDateTimeChangedListener(new OnDateTimeChangedListener() {
             public void onDateTimeChanged(DateTimePicker view, int year, int month,
                     int dayOfMonth, int hourOfDay, int minute) {
+                //将视图中的各选项设置为系统当前时间
+
                 mDate.set(Calendar.YEAR, year);
                 mDate.set(Calendar.MONTH, month);
                 mDate.set(Calendar.DAY_OF_MONTH, dayOfMonth);
@@ -56,6 +61,7 @@ public class DateTimePickerDialog extends AlertDialog implements OnClickListener
             }
         });
         mDate.setTimeInMillis(date);
+        //系统时间
         mDate.set(Calendar.SECOND, 0);
         mDateTimePicker.setCurrentDate(mDate.getTimeInMillis());
         setButton(context.getString(R.string.datetime_dialog_ok), this);
@@ -80,11 +86,15 @@ public class DateTimePickerDialog extends AlertDialog implements OnClickListener
         flag |= mIs24HourView ? DateUtils.FORMAT_24HOUR : DateUtils.FORMAT_24HOUR;
         setTitle(DateUtils.formatDateTime(this.getContext(), date, flag));
     }
+    //android开发中常见日期管理工具类（API）——DateUtils：按照上下午显示时间
 
     public void onClick(DialogInterface arg0, int arg1) {
         if (mOnDateTimeSetListener != null) {
             mOnDateTimeSetListener.OnDateTimeSet(this, mDate.getTimeInMillis());
         }
+        //第一个参数arg0是接收到点击事件的对话框
+        //第二个参数arg1是该对话框上的按钮
+
     }
 
 }

src/main/java/net/micode/notes/ui/DropdownMenu.java

@@ -30,14 +30,19 @@ import net.micode.notes.R;
 public class DropdownMenu {
     private Button mButton;
     private PopupMenu mPopupMenu;
+    //声明一个下拉菜单
     private Menu mMenu;
 
     public DropdownMenu(Context context, Button button, int menuId) {
+
         mButton = button;
-        mButton.setBackgroundResource(R.drawable.dropdown_icon);
+        mButton.setBackgroundResource(R.drawable.dropdown_icon);//设置view背景
         mPopupMenu = new PopupMenu(context, mButton);
         mMenu = mPopupMenu.getMenu();
         mPopupMenu.getMenuInflater().inflate(menuId, mMenu);
+
+        //MenuInflater是用来实例化Menu目录下的Menu布局文件
+        //根据ID来确认menu的内容选项
         mButton.setOnClickListener(new OnClickListener() {
             public void onClick(View v) {
                 mPopupMenu.show();
@@ -45,16 +50,19 @@ public class DropdownMenu {
         });
     }
 
+    //设置菜单的监听
     public void setOnDropdownMenuItemClickListener(OnMenuItemClickListener listener) {
         if (mPopupMenu != null) {
             mPopupMenu.setOnMenuItemClickListener(listener);
         }
     }
 
+    //对于菜单选项的初始化，根据索引搜索菜单需要的选项
     public MenuItem findItem(int id) {
         return mMenu.findItem(id);
     }
 
+    //设置标题
     public void setTitle(CharSequence title) {
         mButton.setText(title);
     }

src/main/java/net/micode/notes/ui/EditDialog.java

@@ -0,0 +1,162 @@
+package net.micode.notes.ui;
+
+import android.app.Dialog;
+import android.content.Context;
+import android.os.Bundle;
+import android.view.View;
+import android.view.ViewGroup;
+import android.view.WindowManager;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.TextView;
+
+import net.micode.notes.R;
+
+/**
+ * Created by Administrator on 2018/1/31.
+ */
+
+public class EditDialog extends Dialog {
+    private Button yes, no;//确定按钮
+    private TextView titleTv;//消息标题文本
+    private EditText et_key;//输入密码
+    private String titleStr;//从外界设置的title文本
+    private String messageStr;//从外界设置的消息文本
+    //确定文本和取消文本的显示内容
+    private String yesStr, noStr;
+
+    private onNoOnclickListener noOnclickListener;//取消按钮被点击了的监听器
+    private onYesOnclickListener yesOnclickListener;//确定按钮被点击了的监听器
+
+    /**
+     * 设置取消按钮的显示内容和监听
+     */
+    public void setNoOnclickListener(String str, onNoOnclickListener onNoOnclickListener) {
+        if (str != null) {
+            noStr = str;
+        }
+        this.noOnclickListener = onNoOnclickListener;
+    }
+
+    /**
+     * 设置确定按钮的显示内容和监听
+     */
+    public void setYesOnclickListener(String str, onYesOnclickListener onYesOnclickListener) {
+        if (str != null) {
+            yesStr = str;
+        }
+        this.yesOnclickListener = onYesOnclickListener;
+    }
+
+    public EditDialog(Context context) {
+        super(context, R.style.Dialog_Msg);
+    }
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.dialog_edit);
+        //按空白处不能取消动画
+        setCanceledOnTouchOutside(false);
+
+        //初始化界面控件
+        initView();
+        //初始化界面数据
+        initData();
+        //初始化界面控件的事件
+        initEvent();
+
+    }
+
+    /**
+     * 初始化界面的确定和取消监听器
+     */
+    private void initEvent() {
+        //设置确定按钮被点击后，向外界提供监听
+        yes.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                if (yesOnclickListener != null) {
+                    yesOnclickListener.onYesClick(et_key.getText().toString());
+                }
+            }
+        });
+
+        no.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                if (noOnclickListener != null) {
+                    noOnclickListener.onNoClick();
+                }
+            }
+        });
+    }
+
+    /**
+     * 初始化界面控件的显示数据
+     */
+    private void initData() {
+        //如果用户自定了title和message
+        if (titleStr != null) {
+            titleTv.setText(titleStr);
+        }
+        if (messageStr != null) {
+//            messageTv.setText(messageStr);
+        }
+        //如果设置按钮的文字
+        if (yesStr != null) {
+            yes.setText(yesStr);
+        }
+    }
+
+    /**
+     * 初始化界面控件
+     */
+    private void initView() {
+        yes = (Button) findViewById(R.id.yes);
+        no = (Button) findViewById(R.id.no);
+        titleTv = (TextView) findViewById(R.id.title);
+        et_key = (EditText) findViewById(R.id.et_phone);
+    }
+    /**
+     * 从外界Activity为Dialog设置标题
+     *
+     * @param title
+     */
+    public void setTitle(String title) {
+        titleStr = title;
+    }
+
+    /**
+     * 从外界Activity为Dialog设置dialog的message
+     *
+     * @param message
+     */
+    public void setMessage(String message) {
+        messageStr = message;
+    }
+
+    /**
+     * 设置确定按钮和取消被点击的接口
+     */
+    public interface onYesOnclickListener {
+        public void onYesClick(String key);
+    }
+
+    public interface onNoOnclickListener {
+        public void onNoClick();
+    }
+
+    @Override
+    public void show() {
+        super.show();
+        /**
+         * 设置宽度全屏，要设置在show的后面
+         */
+        WindowManager.LayoutParams layoutParams = getWindow().getAttributes();
+        layoutParams.width= ViewGroup.LayoutParams.MATCH_PARENT;
+        layoutParams.height= ViewGroup.LayoutParams.MATCH_PARENT;
+        getWindow().getDecorView().setPadding(0, 0, 0, 0);
+        getWindow().setAttributes(layoutParams);
+    }
+}

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

@@ -30,6 +30,12 @@ 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
+
+    //调用便签的id和片段
     public static final String [] PROJECTION = {
         NoteColumns.ID,
         NoteColumns.SNIPPET
@@ -38,6 +44,7 @@ public class FoldersListAdapter extends CursorAdapter {
     public static final int ID_COLUMN   = 0;
     public static final int NAME_COLUMN = 1;
 
+    //数据库
     public FoldersListAdapter(Context context, Cursor c) {
         super(context, c);
         // TODO Auto-generated constructor stub
@@ -48,6 +55,7 @@ public class FoldersListAdapter extends CursorAdapter {
         return new FolderListItem(context);
     }
 
+    //视图布局绑定
     @Override
     public void bindView(View view, Context context, Cursor cursor) {
         if (view instanceof FolderListItem) {
@@ -68,7 +76,9 @@ public class FoldersListAdapter extends CursorAdapter {
 
         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);
         }
 

src/main/java/net/micode/notes/ui/LoginActivity.java

@@ -0,0 +1,6 @@
+package net.micode.notes.ui;
+
+import android.app.Activity;
+
+public class LoginActivity extends Activity {
+}

src/main/java/net/micode/notes/ui/NoteEditText.java

@@ -18,10 +18,12 @@ package net.micode.notes.ui;
 
 import android.content.Context;
 import android.graphics.Rect;
+import android.text.Editable;
 import android.text.Layout;
 import android.text.Selection;
 import android.text.Spanned;
 import android.text.TextUtils;
+import android.text.TextWatcher;
 import android.text.style.URLSpan;
 import android.util.AttributeSet;
 import android.util.Log;
@@ -31,13 +33,14 @@ import android.view.MenuItem;
 import android.view.MenuItem.OnMenuItemClickListener;
 import android.view.MotionEvent;
 import android.widget.EditText;
+import android.widget.TextView;
 
 import net.micode.notes.R;
 
 import java.util.HashMap;
 import java.util.Map;
 
-public class NoteEditText extends EditText {
+public class NoteEditText extends android.support.v7.widget.AppCompatEditText {
     private static final String TAG = "NoteEditText";
     private int mIndex;
     private int mSelectionStartBeforeDelete;
@@ -80,6 +83,8 @@ public class NoteEditText extends EditText {
     public NoteEditText(Context context) {
         super(context, null);
         mIndex = 0;
+        init();
+
     }
 
     public void setIndex(int index) {
@@ -92,10 +97,12 @@ public class NoteEditText extends EditText {
 
     public NoteEditText(Context context, AttributeSet attrs) {
         super(context, attrs, android.R.attr.editTextStyle);
+        init();
     }
 
     public NoteEditText(Context context, AttributeSet attrs, int defStyle) {
         super(context, attrs, defStyle);
+        init();
         // TODO Auto-generated constructor stub
     }
 
@@ -214,4 +221,34 @@ public class NoteEditText extends EditText {
         }
         super.onCreateContextMenu(menu);
     }
+
+    //显示字符数
+    private TextView mCharacterCountView;
+    public void setCharacterCountView(TextView textView) {
+        mCharacterCountView = textView;
+    }
+    private void init() {
+        addTextChangedListener(new TextWatcher() {
+            @Override
+            public void beforeTextChanged(CharSequence s, int start, int count, int after) {
+
+            }
+
+            @Override
+            public void onTextChanged(CharSequence s, int start, int before, int count) {
+
+            }
+
+            @Override
+            public void afterTextChanged(Editable s) {
+                if (mCharacterCountView != null) {
+                    String text = s.toString().replaceAll("\\s", "");
+                    int characterCount = text.length();
+                    mCharacterCountView.setText(String.valueOf(characterCount));
+                }
+            }
+        });
+    }
+
+
 }

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

@@ -28,12 +28,16 @@ import android.content.DialogInterface;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.database.Cursor;
+import android.graphics.Color;
 import android.os.AsyncTask;
 import android.os.Bundle;
 import android.preference.PreferenceManager;
+import android.support.v7.app.AppCompatActivity;
 import android.text.Editable;
+import android.text.SpannableString;
 import android.text.TextUtils;
 import android.text.TextWatcher;
+import android.text.style.ForegroundColorSpan;
 import android.util.Log;
 import android.view.ActionMode;
 import android.view.ContextMenu;
@@ -61,12 +65,14 @@ import android.widget.TextView;
 import android.widget.Toast;
 
 import net.micode.notes.R;
+import net.micode.notes.data.DataFetch;
 import net.micode.notes.data.Notes;
 import net.micode.notes.data.Notes.NoteColumns;
 import net.micode.notes.gtask.remote.GTaskSyncService;
 import net.micode.notes.model.WorkingNote;
 import net.micode.notes.tool.BackupUtils;
 import net.micode.notes.tool.DataUtils;
+import net.micode.notes.tool.MD5Calc;
 import net.micode.notes.tool.ResourceParser;
 import net.micode.notes.ui.NotesListAdapter.AppWidgetAttribute;
 import net.micode.notes.widget.NoteWidgetProvider_2x;
@@ -76,9 +82,13 @@ import java.io.BufferedReader;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
+import java.nio.charset.Charset;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
 import java.util.HashSet;
-
+public class NotesListActivity extends AppCompatActivity implements OnClickListener, OnItemLongClickListener {
-public class NotesListActivity extends Activity implements OnClickListener, OnItemLongClickListener {
+   //首页的背景图切换
+    private int mode=-1;
     private static final int FOLDER_NOTE_LIST_QUERY_TOKEN = 0;
 
     private static final int FOLDER_LIST_QUERY_TOKEN      = 1;
@@ -135,10 +145,14 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
     private final static int REQUEST_CODE_OPEN_NODE = 102;
     private final static int REQUEST_CODE_NEW_NODE  = 103;
 
+    public static int secret_mode=0;
+
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.note_list);
+        getWindow().setBackgroundDrawableResource(R.drawable.mi1);
         initResources();
 
         /**
@@ -242,7 +256,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
             mMoveMenu = menu.findItem(R.id.move);
             if (mFocusNoteDataItem.getParentId() == Notes.ID_CALL_RECORD_FOLDER
                     || DataUtils.getUserFolderCount(mContentResolver) == 0) {
-                mMoveMenu.setVisible(false);
+                mMoveMenu.setVisible(true);
             } else {
                 mMoveMenu.setVisible(true);
                 mMoveMenu.setOnMenuItemClickListener(this);
@@ -274,6 +288,15 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
             // Update dropdown menu
             String format = getResources().getString(R.string.menu_select_title, selectedCount);
             mDropDownMenu.setTitle(format);
+
+
+            // 改变选中后，目录字体的颜色
+            SpannableString spannableString = new SpannableString(format);
+            ForegroundColorSpan colorSpan = new ForegroundColorSpan(Color.WHITE);
+            spannableString.setSpan(colorSpan, 0, format.length(), SpannableString.SPAN_EXCLUSIVE_EXCLUSIVE);
+            //
+            mDropDownMenu.setTitle(spannableString);
+
             MenuItem item = mDropDownMenu.findItem(R.id.action_select_all);
             if (item != null) {
                 if (mNotesListAdapter.isAllSelected()) {
@@ -286,13 +309,24 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
             }
         }
 
+        //这个初始化界面不能修改
         public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
             // TODO Auto-generated method stub
             return false;
         }
+//        public boolean onPrepareAction(ActionMode mode, Menu menu) {
+//            // TODO Auto-generated method stub
+//            if(secret_mode==1){
+//                menu.findItem(R.id.menu_secret).setVisible(false);
+//            }else{
+//                menu.findItem(R.id.menu_quit_secret).setVisible(false);
+//            }
+//            return true;
+//        }
 
         public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
             // TODO Auto-generated method stub
+
             return false;
         }
 
@@ -345,7 +379,6 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
             return true;
         }
     }
-
     private class NewNoteOnTouchListener implements OnTouchListener {
 
         public boolean onTouch(View v, MotionEvent event) {
@@ -408,20 +441,43 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
 
     };
 
+    //对当前的笔记是否可视化
     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 = "";
+            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, NoteItemData.PROJECTION, selection, new String[] {
+                    Notes.CONTENT_NOTE_URI, PROJECTION, selection, new String[]{
                             String.valueOf(mCurrentFolderId)
                     },  NoteColumns.TYPE + " DESC," + NoteColumns.MODIFIED_DATE + " DESC");
         }
+    }
 
     private final class BackgroundQueryHandler extends AsyncQueryHandler {
         public BackgroundQueryHandler(ContentResolver contentResolver) {
             super(contentResolver);
         }
-
         @Override
         protected void onQueryComplete(int token, Object cookie, Cursor cursor) {
             switch (token) {
@@ -506,6 +562,8 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
         }.execute();
     }
 
+    // TODO
+    // 删除文件夹
     private void deleteFolder(long folderId) {
         if (folderId == Notes.ID_ROOT_FOLDER) {
             Log.e(TAG, "Wrong folder id, should not happen " + folderId);
@@ -534,12 +592,69 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
     }
 
     private void openNode(NoteItemData data) {
-        Intent intent = new Intent(this, NoteEditActivity.class);
+        // 获取SharedPreferences对象
+        SharedPreferences sharedPreferences = getSharedPreferences("NoteLock", MODE_PRIVATE);
+        if (!sharedPreferences.getBoolean("isLocked", false)) {
+            // 如果笔记未被锁定，直接进入下一个界面
+            Intent intent = new Intent(NotesListActivity.this, NoteEditActivity.class);
+            intent.setAction(Intent.ACTION_VIEW);
+            intent.putExtra(Intent.EXTRA_UID, data.getId());
+            NotesListActivity.this.startActivityForResult(intent, REQUEST_CODE_OPEN_NODE);
+        }
+        else {
+            // 如果笔记被锁定，要求输入密码然后进入
+            // 获取 SharedPreferences 中保存的密码
+            SharedPreferences prefs = getSharedPreferences("MyApp", MODE_PRIVATE);
+            final String savedPassword = prefs.getString("password", "");
+            if (!savedPassword.isEmpty()) {
+                // 如果密码存在，弹出一个对话框让用户输入密码
+                AlertDialog.Builder passwordDialog = new AlertDialog.Builder(NotesListActivity.this);
+                passwordDialog.setTitle("输入密码");
+                final EditText input = new EditText(NotesListActivity.this);
+                passwordDialog.setView(input);
+                passwordDialog.setPositiveButton("确定", new DialogInterface.OnClickListener() {
+                    @Override
+                    public void onClick(DialogInterface dialog, int which) {
+                        String enteredPassword = input.getText().toString();
+                        try {
+                            // 创建 MessageDigest 实例
+                            MessageDigest digest = MessageDigest.getInstance("SHA-256");
+                            // 生成哈希值
+                            byte[] hash = digest.digest(enteredPassword.getBytes(Charset.forName("UTF-8")));
+                            // 将字节转换为十六进制字符串
+                            StringBuilder hexString = new StringBuilder();
+                            for (byte b : hash) {
+                                String hex = Integer.toHexString(0xff & b);
+                                if (hex.length() == 1) hexString.append('0');
+                                hexString.append(hex);
+                            }
+                            // 获取输入密码的哈希值
+                            String enteredHashedPassword = hexString.toString();
+                            // 比较输入密码的哈希值与保存的哈希密码是否相同
+                            if (enteredHashedPassword.equals(savedPassword)) {
+                                // 如果密码正确，解锁笔记并打开
+                                Intent intent = new Intent(NotesListActivity.this, NoteEditActivity.class);
                                 intent.setAction(Intent.ACTION_VIEW);
                                 intent.putExtra(Intent.EXTRA_UID, data.getId());
-        this.startActivityForResult(intent, REQUEST_CODE_OPEN_NODE);
+                                NotesListActivity.this.startActivityForResult(intent, REQUEST_CODE_OPEN_NODE);
+                            } else {
+                                // 如果密码错误，弹出提示信息
+                                Toast.makeText(NotesListActivity.this, "密码错误", Toast.LENGTH_SHORT).show();
+                            }
+                        } catch (NoSuchAlgorithmException e) {
+                            e.printStackTrace();
+                        }
+                    }
+                });
+                passwordDialog.setNegativeButton("取消", null);
+                passwordDialog.show();
+
+            }
         }
 
+    }
+    //TODO
+    //查看文件夹
     private void openFolder(NoteItemData data) {
         mCurrentFolderId = data.getId();
         startAsyncNotesListQuery();
@@ -579,6 +694,8 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
         inputMethodManager.hideSoftInputFromWindow(view.getWindowToken(), 0);
     }
 
+    // TODO
+    // 新建文件夹,修改文件夹名称
     private void showCreateOrModifyFolderDialog(final boolean create) {
         final AlertDialog.Builder builder = new AlertDialog.Builder(this);
         View view = LayoutInflater.from(this).inflate(R.layout.dialog_edit_text, null);
@@ -775,13 +892,36 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
         } else {
             Log.e(TAG, "Wrong state:" + mState);
         }
+//        //更换背景
+//        if(mode==0){
+//            menu.findItem(R.id.menu_hutao).setVisible(false);
+//        }else if(mode==1){
+//            menu.findItem(R.id.menu_keli).setVisible(false);
+//        }
         return true;
     }
 
+    //更改按键的功能设定
+
     @Override
     public boolean onOptionsItemSelected(MenuItem item) {
         switch (item.getItemId()) {
-            case R.id.menu_new_folder: {
+            case R.id.menu_keli: {
+                mode=1;
+                getWindow().setBackgroundDrawableResource(R.drawable.keli);
+                break;
+            }
+            case R.id.menu_hutao:{
+                mode=0;
+                getWindow().setBackgroundDrawableResource(R.drawable.hutao);
+                break;
+            }
+            case R.id.menu_moren:{
+                mode=-1;
+                getWindow().setBackgroundDrawableResource(R.drawable.mi1);
+                break;
+            }
+            case R.id.menu_new_folder:{
                 showCreateOrModifyFolderDialog(true);
                 break;
             }
@@ -812,18 +952,176 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
             case R.id.menu_search:
                 onSearchRequested();
                 break;
+            case R.id.set_password: {
+                AlertDialog.Builder dialog = new AlertDialog.Builder(NotesListActivity.this);
+                dialog.setTitle("重要提醒");
+                dialog.setMessage("您确认设置笔记锁密码吗？");
+                dialog.setCancelable(false);
+                dialog.setPositiveButton("确认", new DialogInterface.OnClickListener() {
+                    @Override
+                    public void onClick(DialogInterface dialog, int which) {
+                        AlertDialog.Builder passwordDialog = new AlertDialog.Builder(NotesListActivity.this);
+                        passwordDialog.setTitle("输入密码");
+                        final EditText input = new EditText(NotesListActivity.this);
+                        passwordDialog.setView(input);
+                        passwordDialog.setPositiveButton("确定", new DialogInterface.OnClickListener() {
+                            @Override
+                            public void onClick(DialogInterface dialog, int which) {
+                                String password = input.getText().toString();
+                                try {
+                                    // 创建 MessageDigest 实例
+                                    MessageDigest digest = MessageDigest.getInstance("SHA-256");
+                                    // 生成哈希值
+                                    byte[] hash = digest.digest(password.getBytes(Charset.forName("UTF-8")));
+                                    // 将字节转换为十六进制字符串
+                                    StringBuilder hexString = new StringBuilder();
+                                    for (byte b : hash) {
+                                        String hex = Integer.toHexString(0xff & b);
+                                        if (hex.length() == 1) hexString.append('0');
+                                        hexString.append(hex);
+                                    }
+                                    // 保存哈希值
+                                    String hashedPassword = hexString.toString();
+                                    // 使用 SharedPreferences 保存哈希密码
+                                    SharedPreferences prefs = getSharedPreferences("MyApp", MODE_PRIVATE);
+                                    SharedPreferences.Editor editor = prefs.edit();
+                                    editor.putString("password", hashedPassword);
+                                    editor.apply();
+                                    // 显示 Toast 消息
+                                    Toast.makeText(NotesListActivity.this, "密码保存成功", Toast.LENGTH_SHORT).show();
+                                } catch (NoSuchAlgorithmException e) {
+                                    e.printStackTrace();
+                                }
+                            }
+                        });
+                        passwordDialog.setNegativeButton("取消", null);
+                        passwordDialog.show();
+                    }
+                });
+                dialog.setNegativeButton("取消", new DialogInterface.OnClickListener() {
+                    @Override
+                    public void onClick(DialogInterface dialog, int which) {}
+                });
+                dialog.show();
+                startAsyncNotesListQuery();
+                break;
+            }
+            case R.id.menu_secret: {    //进入私密模式
+                //TODO
+                /**
+                 * 隐私空间密码询问，如果此前没有设置过密码，则弹出密码设置框，密码会放在data/data/net.micode.notes/files/privacy_space_key.txt文件中
+                 */
+                DataFetch datafetch = new DataFetch();
+                if(!datafetch.fileIsExists(NotesListActivity.this, "privacy_space_key.txt")){
+                    final EditDialog registerKeyDialog = new EditDialog(NotesListActivity.this);
+                    registerKeyDialog.setTitle("请设置隐私空间密码");
+                    registerKeyDialog.setYesOnclickListener("确定", new EditDialog.onYesOnclickListener() {
+                        @Override
+                        public void onYesClick(String key) {
+                            String hashed_key = MD5Calc.md5Java(key);
+                            datafetch.writeFile(NotesListActivity.this, "privacy_space_key.txt", hashed_key);
+                            Toast.makeText(NotesListActivity.this, "您已设置隐私空间密码", Toast.LENGTH_SHORT).show();
+                            registerKeyDialog.dismiss();
+                        }
+                    });
+                    registerKeyDialog.setNoOnclickListener("取消", new EditDialog.onNoOnclickListener(){
+                        public void onNoClick(){
+                            registerKeyDialog.dismiss();
+                        }
+                    });
+                    registerKeyDialog.show();
+                }
+                else {
+                    final EditDialog editKeyDialog = new EditDialog(NotesListActivity.this);
+                    editKeyDialog.setTitle("正在进入隐私空间");
+                    editKeyDialog.setYesOnclickListener("确定", new EditDialog.onYesOnclickListener() {
+                        @Override
+                        public void onYesClick(String key) {
+                            String correct_hashed_key = datafetch.readFile(NotesListActivity.this, "privacy_space_key.txt");
+                            String input_hashed_key = MD5Calc.md5Java(key);
+                            if(correct_hashed_key.equals(input_hashed_key)){
+                                AlertDialog.Builder dialog = new AlertDialog.Builder(NotesListActivity.this);
+                                dialog.setTitle("重要提醒");
+                                dialog.setMessage("您确认进入私密模式吗？");
+                                dialog.setCancelable(false);
+                                dialog.setPositiveButton("确认", new DialogInterface.OnClickListener() {
+                                    @Override
+                                    public void onClick(DialogInterface dialog, int which) {
+                                        secret_mode = 1;
+                                        startAsyncNotesListQuery();
+                                        //                        //更换背景图
+                                        //                        getWindow().setBackgroundDrawableResource(R.drawable.mi1);
+                                        Toast.makeText(NotesListActivity.this, "您已进入私密模式", Toast.LENGTH_SHORT).show();
+                                    }
+                                });
+                                dialog.setNegativeButton("取消", new DialogInterface.OnClickListener() {
+                                    @Override
+                                    public void onClick(DialogInterface dialog, int which) {
+                                    }
+                                });
+                                dialog.show();
+                                startAsyncNotesListQuery();
+                                editKeyDialog.dismiss();
+                            }
+                            else {
+                                Toast.makeText(NotesListActivity.this, "密码输入错误!", Toast.LENGTH_SHORT).show();
+                                editKeyDialog.dismiss();
+                            }
+                        }
+                    });
+                    editKeyDialog.setNoOnclickListener("取消", new EditDialog.onNoOnclickListener() {
+                        @Override
+                        public void onNoClick() {
+                            editKeyDialog.dismiss();
+                        }
+                    });
+                    editKeyDialog.show();
+                }
+//                Toast.makeText(this,"您已进入私密模式",Toast.LENGTH_SHORT).show();
+                break;
+            }
+
+            case R.id.menu_quit_secret:{    //退出私密模式
+                secret_mode = 0;
+                AlertDialog.Builder dialog = new AlertDialog.Builder(NotesListActivity.this);
+                dialog.setTitle("重要提醒");
+                dialog.setMessage("您确认退出私密模式吗？");
+                dialog.setCancelable(false);
+                dialog.setPositiveButton("确认", new DialogInterface.OnClickListener() {
+                    @Override
+                    public void onClick(DialogInterface dialog, int which) {
+                        startAsyncNotesListQuery();
+                        //更换背景图
+//                        getWindow().setBackgroundDrawableResource(R.drawable.mi1);
+                        Toast.makeText(NotesListActivity.this,"您已退出私密模式",Toast.LENGTH_SHORT).show();
+                    }
+                });
+                dialog.setNegativeButton("取消", new DialogInterface.OnClickListener() {
+                    @Override
+                    public void onClick(DialogInterface dialog, int which){}
+                });
+                dialog.show();
+
+                //TODO
+                break;
+            }
+
             default:
                 break;
         }
         return true;
     }
 
+    //TODO
+    //搜索
     @Override
     public boolean onSearchRequested() {
         startSearch(null, false, null /* appData */, false);
         return true;
     }
 
+    // TODO
+    // 导出文本
     private void exportNoteToText() {
         final BackupUtils backup = BackupUtils.getInstance(NotesListActivity.this);
         new AsyncTask<Void, Void, Integer>() {

src/main/java/net/micode/notes/ui/NotesListAdapter.java

@@ -30,7 +30,10 @@ import java.util.HashMap;
 import java.util.HashSet;
 import java.util.Iterator;
 
-
+/*
+ * 功能：直译为便签表连接器，继承了CursorAdapter，它为cursor和ListView提供了连接的桥梁。
+ *     所以NotesListAdapter实现的是鼠标和编辑便签链接的桥梁
+ */
 public class NotesListAdapter extends CursorAdapter {
     private static final String TAG = "NotesListAdapter";
     private Context mContext;
@@ -43,24 +46,40 @@ public class NotesListAdapter extends CursorAdapter {
         public int widgetType;
     };
 
+
+
     public NotesListAdapter(Context context) {
         super(context, null);
-        mSelectedIndex = new HashMap<Integer, Boolean>();
+        mSelectedIndex = new HashMap<Integer, Boolean>(); //新建选项下标的hash表
         mContext = context;
         mNotesCount = 0;
     }
 
+    /*
+     * 函数功能：新建一个视图来存储光标所指向的数据
+     * 函数实现：使用兄弟类NotesListItem新建一个项目选项
+     */
+
     @Override
     public View newView(Context context, Cursor cursor, ViewGroup parent) {
         return new NotesListItem(context);
     }
 
+    /*
+     * 函数功能：将已经存在的视图和鼠标指向的数据进行捆绑
+     * 函数实现：如下注释
+     */
+
     @Override
     public void bindView(View view, Context context, Cursor cursor) {
         if (view instanceof NotesListItem) {
+            //若view是NotesListItem的一个实例
+
             NoteItemData itemData = new NoteItemData(context, cursor);
             ((NotesListItem) view).bind(context, itemData, mChoiceMode,
                     isSelectedItem(cursor.getPosition()));
+            //则新建一个项目选项并且用bind跟将view和鼠标，内容，便签数据捆绑在一起
+
         }
     }
 
@@ -87,8 +106,14 @@ public class NotesListAdapter extends CursorAdapter {
                 }
             }
         }
+        //遍历所有光标可用的位置在判断为便签类型之后勾选单项框
     }
 
+    /*
+     * 函数功能：建立选择项的下标列表
+     * 函数实现：如下注释
+     */
+
     public HashSet<Long> getSelectedItemIds() {
         HashSet<Long> itemSet = new HashSet<Long>();
         for (Integer position : mSelectedIndex.keySet()) {
@@ -104,6 +129,10 @@ public class NotesListAdapter extends CursorAdapter {
 
         return itemSet;
     }
+    /*
+     * 函数功能：建立桌面Widget的选项表
+     * 函数实现：如下注释
+     */
 
     public HashSet<AppWidgetAttribute> getSelectedWidget() {
         HashSet<AppWidgetAttribute> itemSet = new HashSet<AppWidgetAttribute>();
@@ -128,8 +157,14 @@ public class NotesListAdapter extends CursorAdapter {
         return itemSet;
     }
 
+    /*
+     * 函数功能：获取选项个数
+     * 函数实现：如下注释
+     */
+
     public int getSelectedCount() {
         Collection<Boolean> values = mSelectedIndex.values();
+        //首先获取选项下标的值
         if (null == values) {
             return 0;
         }
@@ -143,11 +178,20 @@ public class NotesListAdapter extends CursorAdapter {
         return count;
     }
 
+    /*
+     * 函数功能：判断是否全部选中
+     * 函数实现：如下注释
+     */
+
     public boolean isAllSelected() {
         int checkedCount = getSelectedCount();
         return (checkedCount != 0 && checkedCount == mNotesCount);
     }
 
+    /*
+     * 函数功能：判断是否为选项表
+     * 函数实现：通过传递的下标来确定
+     */
     public boolean isSelectedItem(final int position) {
         if (null == mSelectedIndex.get(position)) {
             return false;

src/main/java/net/micode/notes/ui/NotesListItem.java

@@ -69,7 +69,7 @@ public class NotesListItem extends LinearLayout {
             mCallName.setText(data.getCallName());
             mTitle.setTextAppearance(context,R.style.TextAppearanceSecondaryItem);
             mTitle.setText(DataUtils.getFormattedSnippet(data.getSnippet()));
-            if (data.hasAlert()) {
+            if (data.hasAlert()) {//图片来源的设置
                 mAlert.setImageResource(R.drawable.clock);
                 mAlert.setVisibility(View.VISIBLE);
             } else {
@@ -94,11 +94,13 @@ public class NotesListItem extends LinearLayout {
                 }
             }
         }
+        ///设置内容，获取相关时间，从data里编辑的日期中获取
         mTime.setText(DateUtils.getRelativeTimeSpanString(data.getModifiedDate()));
 
         setBackground(data);
     }
 
+    //根据data的文件属性来设置背景
     private void setBackground(NoteItemData data) {
         int id = data.getBgColorId();
         if (data.getType() == Notes.TYPE_NOTE) {

src/main/java/net/micode/notes/ui/NotesPreferenceActivity.java

@@ -47,7 +47,10 @@ import net.micode.notes.data.Notes;
 import net.micode.notes.data.Notes.NoteColumns;
 import net.micode.notes.gtask.remote.GTaskSyncService;
 
-
+/*
+ *该类功能：NotesPreferenceActivity，在小米便签中主要实现的是对背景颜色和字体大小的数据储存。
+ *       继承了PreferenceActivity主要功能为对系统信息和配置进行自动保存的Activity
+ */
 public class NotesPreferenceActivity extends PreferenceActivity {
     public static final String PREFERENCE_NAME = "notes_preferences";
 
@@ -78,6 +81,7 @@ public class NotesPreferenceActivity extends PreferenceActivity {
 
         addPreferencesFromResource(R.xml.preferences);
         mAccountCategory = (PreferenceCategory) findPreference(PREFERENCE_SYNC_ACCOUNT_KEY);
+        //根据同步账户关键码来初始化分组
         mReceiver = new GTaskReceiver();
         IntentFilter filter = new IntentFilter();
         filter.addAction(GTaskSyncService.GTASK_SERVICE_BROADCAST_NAME);
@@ -88,13 +92,19 @@ public class NotesPreferenceActivity extends PreferenceActivity {
         getListView().addHeaderView(header, null, true);
     }
 
+    /*
+     * 函数功能：activity交互功能的实现，用于接受用户的输入
+     * 函数实现：如下注释
+     */
     @Override
     protected void onResume() {
+        //先执行父类 的交互实现
         super.onResume();
 
         // need to set sync account automatically if user has added a new
         // account
         if (mHasAddedAccount) {
+            //若用户新加了账户则自动设置同步账户
             Account[] accounts = getGoogleAccounts();
             if (mOriAccounts != null && accounts.length > mOriAccounts.length) {
                 for (Account accountNew : accounts) {
@@ -116,6 +126,11 @@ public class NotesPreferenceActivity extends PreferenceActivity {
         refreshUI();
     }
 
+    /*
+     * 函数功能：销毁一个activity
+     * 函数实现：如下注释
+     */
+
     @Override
     protected void onDestroy() {
         if (mReceiver != null) {
@@ -124,6 +139,10 @@ public class NotesPreferenceActivity extends PreferenceActivity {
         super.onDestroy();
     }
 
+    /*
+     * 函数功能：重新设置账户信息
+     * 函数实现：如下注释
+     */
     private void loadAccountPreference() {
         mAccountCategory.removeAll();
 
@@ -154,6 +173,11 @@ public class NotesPreferenceActivity extends PreferenceActivity {
         mAccountCategory.addPreference(accountPref);
     }
 
+
+    /*
+     *函数功能：设置按键的状态和最后同步的时间
+     *函数实现：如下注释
+     */
     private void loadSyncButton() {
         Button syncButton = (Button) findViewById(R.id.preference_sync_button);
         TextView lastSyncTimeView = (TextView) findViewById(R.id.prefenerece_sync_status_textview);
@@ -198,6 +222,10 @@ public class NotesPreferenceActivity extends PreferenceActivity {
         loadSyncButton();
     }
 
+    /*
+     * 函数功能：显示账户选择的对话框并进行账户的设置
+     * 函数实现：如下注释
+     */
     private void showSelectAccountAlertDialog() {
         AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this);
 
@@ -207,10 +235,13 @@ public class NotesPreferenceActivity extends PreferenceActivity {
         TextView subtitleTextView = (TextView) titleView.findViewById(R.id.account_dialog_subtitle);
         subtitleTextView.setText(getString(R.string.preferences_dialog_select_account_tips));
 
+        //设置标题以及子标题的内容
         dialogBuilder.setCustomTitle(titleView);
         dialogBuilder.setPositiveButton(null, null);
 
+        //设置对话框的自定义标题，建立一个YES的按钮
         Account[] accounts = getGoogleAccounts();
+        //获取同步账户信息
         String defAccount = getSyncAccountName(this);
 
         mOriAccounts = accounts;
@@ -254,6 +285,10 @@ public class NotesPreferenceActivity extends PreferenceActivity {
         });
     }
 
+    /*
+     * 函数功能：显示账户选择对话框和相关账户操作
+     * 函数实现：如下注释
+     */
     private void showChangeAccountConfirmAlertDialog() {
         AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this);
 
@@ -283,6 +318,10 @@ public class NotesPreferenceActivity extends PreferenceActivity {
         dialogBuilder.show();
     }
 
+    /*
+     * 函数功能：设置同步账户
+     * 函数实现：如下注释：
+     */
     private Account[] getGoogleAccounts() {
         AccountManager accountManager = AccountManager.get(this);
         return accountManager.getAccountsByType("com.google");
@@ -317,6 +356,10 @@ public class NotesPreferenceActivity extends PreferenceActivity {
                     Toast.LENGTH_SHORT).show();
         }
     }
+    /*
+     * 函数功能：删除同步账户
+     * 函数实现：如下注释：
+     */
 
     private void removeSyncAccount() {
         SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE);
@@ -340,12 +383,20 @@ public class NotesPreferenceActivity extends PreferenceActivity {
         }).start();
     }
 
+    /*
+     * 函数功能：获取同步账户名称
+     * 函数实现：通过共享的首选项里的信息直接获取
+     */
     public static String getSyncAccountName(Context context) {
         SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
                 Context.MODE_PRIVATE);
         return settings.getString(PREFERENCE_SYNC_ACCOUNT_NAME, "");
     }
 
+    /*
+     * 函数功能：设置最终同步的时间
+     * 函数实现：如下注释
+     */
     public static void setLastSyncTime(Context context, long time) {
         SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
                 Context.MODE_PRIVATE);
@@ -354,18 +405,27 @@ public class NotesPreferenceActivity extends PreferenceActivity {
         editor.commit();
     }
 
+    /*
+     * 函数功能：获取最终同步时间
+     * 函数实现：通过共享的首选项里的信息直接获取
+     */
     public static long getLastSyncTime(Context context) {
         SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
                 Context.MODE_PRIVATE);
         return settings.getLong(PREFERENCE_LAST_SYNC_TIME, 0);
     }
 
+    /*
+     * 函数功能：接受同步信息
+     * 函数实现：继承BroadcastReceiver
+     */
     private class GTaskReceiver extends BroadcastReceiver {
 
         @Override
         public void onReceive(Context context, Intent intent) {
             refreshUI();
             if (intent.getBooleanExtra(GTaskSyncService.GTASK_SERVICE_BROADCAST_IS_SYNCING, false)) {
+                //获取随广播而来的Intent中的同步服务的数据
                 TextView syncStatus = (TextView) findViewById(R.id.prefenerece_sync_status_textview);
                 syncStatus.setText(intent
                         .getStringExtra(GTaskSyncService.GTASK_SERVICE_BROADCAST_PROGRESS_MSG));
@@ -373,6 +433,11 @@ public class NotesPreferenceActivity extends PreferenceActivity {
 
         }
     }
+    /*
+     * 函数功能：处理菜单的选项
+     * 函数实现：如下注释
+     * 参数:MenuItem菜单选项
+     */
 
     public boolean onOptionsItemSelected(MenuItem item) {
         switch (item.getItemId()) {

src/main/java/net/micode/notes/ui/ShowResultActivity.java

@@ -0,0 +1,38 @@
+package net.micode.notes.ui;
+
+import android.annotation.SuppressLint;
+import android.content.Intent;
+import android.os.Bundle;
+import android.support.v7.app.AppCompatActivity;
+import android.util.Log;
+import android.widget.ArrayAdapter;
+import android.widget.ListView;
+
+import net.micode.notes.R;
+
+import java.util.List;
+
+public class ShowResultActivity extends AppCompatActivity {
+    /**
+     * 进行绑定视图，还未实现具体便签得跳转。后续加上
+     */
+    private String TAG="ShowResultActivity";
+
+    @SuppressLint("WrongViewCast")
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.search_list);
+        Log.e(TAG,"search");
+        ListView listView = findViewById(R.id.listview); // 找到 ListView
+
+        Intent intent = getIntent();
+        if (intent != null) {
+            List<String> searchResult = intent.getStringArrayListExtra("searchResult");
+            if (searchResult != null && !searchResult.isEmpty()) {
+                ArrayAdapter<String> adapter = new ArrayAdapter<>(this, android.R.layout.simple_list_item_1, searchResult);
+                listView.setAdapter(adapter);  // 使用 ArrayAdapter 设置查询结果到 ListView
+            }
+        }
+    }
+}

src/main/java/net/micode/notes/ui/SplashActivity.java

@@ -0,0 +1,88 @@
+package net.micode.notes.ui;
+
+import android.content.Intent;
+import android.media.MediaPlayer;
+import android.os.Bundle;
+import android.os.Handler;
+import android.support.v7.app.AppCompatActivity;
+import android.view.animation.AlphaAnimation;
+import android.widget.TextView;
+
+import net.micode.notes.R;
+
+public class SplashActivity extends AppCompatActivity {
+    private static final int ANIMATION_DURATION = 2500; // 动画持续时间，单位为毫秒
+    private static final int SPLASH_DURATION = 3000; // 欢迎页展示时间，单位为毫秒
+
+    private Handler mHandler = new Handler();
+    private MediaPlayer mMediaPlayer;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_splash);
+
+
+        // 创建 MediaPlayer 对象，并指定要播放的音频文件
+//        playAudio(R.raw.testmusic);
+
+
+        // 获取 TextView 的引用
+        TextView textView = findViewById(R.id.fullscreen_content);
+
+        // 创建透明度动画对象，从完全透明到不透明
+        AlphaAnimation alphaAnimation = new AlphaAnimation(0f, 1f);
+        alphaAnimation.setDuration(ANIMATION_DURATION); // 设置动画持续时间
+
+        // 应用动画效果到 TextView 的背景上
+        textView.startAnimation(alphaAnimation);
+
+        /**
+         * 版本问题，目前主流已经废弃了~
+         */
+        /*//自主点击跳转
+        Button skipButton = findViewById(R.id.skip_button);
+        skipButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(SplashActivity.this, NotesListActivity.class);
+                startActivity(intent);
+                finish(); // 销毁欢迎页
+            }
+        });*/
+
+        // 当计时结束时，跳转至 NotesListActivity
+        mHandler.postDelayed(new Runnable() {
+            @Override
+            public void run() {
+
+                // 在 Activity 销毁时停止播放音频并释放 MediaPlayer 资源
+                if (mMediaPlayer != null) {
+                    mMediaPlayer.stop();
+                    mMediaPlayer.release();
+                    mMediaPlayer = null;
+                }
+
+                Intent intent = new Intent(SplashActivity.this, NotesListActivity.class);
+                startActivity(intent);
+                finish(); // 销毁欢迎页
+            }
+        }, SPLASH_DURATION);
+    }
+    //测试音频BGM
+    private void playAudio(int audioResId) {
+        // 创建 MediaPlayer 对象，并指定要播放的音频文件
+        final MediaPlayer mediaPlayer = MediaPlayer.create(this, audioResId);
+        // 开始播放音频
+        mediaPlayer.start();
+        // 在播放完成后停止播放并释放资源
+        mediaPlayer.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {
+            @Override
+            public void onCompletion(MediaPlayer mp) {
+                mediaPlayer.stop();
+                mediaPlayer.release();
+            }
+        });
+    }
+
+}

src/main/res/color/primary_text_dark.xml

@@ -0,0 +1,22 @@
+<?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.
+-->
+
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+  <item android:state_pressed="true" android:color="#88555555" />
+  <item android:state_selected="true" android:color="#ff999999" />
+  <item android:color="#ff000000" />
+</selector>

src/main/res/color/secondary_text_dark.xml

@@ -0,0 +1,20 @@
+<?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.
+-->
+
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+  <item android:color="#50000000" />
+</selector>