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-0,0 +1,1070 @@ +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 { + //该类主要是针对标签的编辑 + //继承了系统内部许多和监听有关的类 + private class HeadViewHolder { + public TextView tvModified; + + public ImageView ivAlertIcon; + + public TextView tvAlertDate; + + public ImageView ibSetBgColor; + } + //使用Map实现数据存储 + private static final Map sBgSelectorBtnsMap = new HashMap(); + 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); + //put函数是将指定值和指定键相连 + } + + private static final Map sBgSelectorSelectionMap = new HashMap(); + 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); + //put函数是将指定值和指定键相连 + } + + private static final Map sFontSizeBtnsMap = new HashMap(); + 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); + //put函数是将指定值和指定键相连 + } + + private static final Map sFontSelectorSelectionMap = new HashMap(); + 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); + //put函数是将指定值和指定键相连 + } + + private static final String TAG = "NoteEditActivity"; + + private HeadViewHolder mNoteHeaderHolder; + + private View mHeadViewPanel; + //私有化一个界面操作mHeadViewPanel，对表头的操作 + private View mNoteBgColorSelector; + //私有化一个界面操作mNoteBgColorSelector，对背景颜色的操作 + private View mFontSizeSelector; + //私有化一个界面操作mFontSizeSelector，对标签字体的操作 + private EditText mNoteEditor; + //声明编辑控件，对文本操作 + private View mNoteEditorPanel; + //私有化一个界面操作mNoteEditorPanel，文本编辑的控制板 + //private WorkingNote mWorkingNote; + public WorkingNote mWorkingNote; + //对模板WorkingNote的初始化 + private SharedPreferences mSharedPrefs; + //私有化SharedPreferences的数据存储方式 + //它的本质是基于XML文件存储key-value键值对数据 + private int mFontSizeId; + //用于操作字体的大小 + 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; + //线性布局 + private String mUserQuery; + private Pattern mPattern; + + @Override + protected void onCreate(Bundle savedInstanceState) { + super.onCreate(savedInstanceState); + this.setContentView(R.layout.note_edit); + //对数据库的访问操作 + 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"); + }//为防止内存不足时程序的终止，在这里有一个保存现场的函数 + } + + 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 = ""; + //如果用户实例化标签时，系统并未给出标签ID + /** + * Starting from the searched result + */ + //根据键值查找ID + if (intent.hasExtra(SearchManager.EXTRA_DATA_KEY)) { + noteId = Long.parseLong(intent.getStringExtra(SearchManager.EXTRA_DATA_KEY)); + mUserQuery = intent.getStringExtra(SearchManager.USER_QUERY); + } + //如果ID在数据库中未找到 + if (!DataUtils.visibleInNoteDatabase(getContentResolver(), noteId, Notes.TYPE_NOTE)) { + Intent jump = new Intent(this, NotesListActivity.class); + startActivity(jump); + //程序将跳转到上面声明的intent——jump + showToast(R.string.error_note_not_exist); + finish(); + return false; + } + //ID在数据库中找到 + else { + mWorkingNote = WorkingNote.load(this, noteId); + if (mWorkingNote == null) { + Log.e(TAG, "load note failed with note id" + noteId); + //打印出红色的错误信息 + finish(); + return false; + } + } + //setSoftInputMode——软键盘输入模式 + 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())) { + // intent.getAction() + // 大多用于broadcast发送广播时给机制（intent）设置一个action，就是一个字符串 + // 用户可以通过receive（接受）intent，通过 getAction得到的字符串，来决定做什么 + 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)); + // intent.getInt（Long、String）Extra是对各变量的语法分析 + // 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; + } + //将电话号码与手机的号码簿相关 + } else { + mWorkingNote = WorkingNote.createEmptyNote(this, folderId, widgetId, + widgetType, bgResId); + mWorkingNote.convertToCallNote(phoneNumber, callDate); + // + } + } else { + mWorkingNote = WorkingNote.createEmptyNote(this, folderId, widgetId, widgetType, + bgResId); + }//创建一个新的WorkingNote + + 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() { + //对界面的初始化操作 + mNoteEditor.setTextAppearance(this, TextAppearanceResources + .getTexAppearanceResource(mFontSizeId)); + //设置外观 + 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(); + } + //设置闹钟的显示 + private void showAlertHeader() { + if (mWorkingNote.hasClockAlert()) { + long time = System.currentTimeMillis(); + if (time > mWorkingNote.getAlertDate()) { + mNoteHeaderHolder.tvAlertDate.setText(R.string.note_alert_expired); + } + //如果系统时间大于了闹钟设置的时间，那么闹钟失效 + else { + mNoteHeaderHolder.tvAlertDate.setText(DateUtils.getRelativeTimeSpanString( + mWorkingNote.getAlertDate(), time, DateUtils.MINUTE_IN_MILLIS)); + } + mNoteHeaderHolder.tvAlertDate.setVisibility(View.VISIBLE); + mNoteHeaderHolder.ivAlertIcon.setVisibility(View.VISIBLE); + //显示闹钟开启的图标 + } 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(); + } + //在创建一个新的标签时，先在数据库中匹配 + //如果不存在，那么先在数据库中存储 + outState.putLong(Intent.EXTRA_UID, mWorkingNote.getNoteId()); + Log.d(TAG, "Save working note id: " + mWorkingNote.getNoteId() + " onSaveInstanceState"); + } + + @Override + //MotionEvent是对屏幕触控的传递机制 + public boolean dispatchTouchEvent(MotionEvent ev) { + if (mNoteBgColorSelector.getVisibility() == View.VISIBLE + && !inRangeOfView(mNoteBgColorSelector, ev)) { + mNoteBgColorSelector.setVisibility(View.GONE); + return true; + }//颜色选择器在屏幕上可见 + + if (mFontSizeSelector.getVisibility() == View.VISIBLE + && !inRangeOfView(mFontSizeSelector, ev)) { + mFontSizeSelector.setVisibility(View.GONE); + return true; + }//字体大小选择器在屏幕上可见 + return super.dispatchTouchEvent(ev); + } + //对屏幕触控的坐标进行操作 + 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())) + //如果触控的位置超出了给定的范围，返回false + { + 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); + }//对标签各项属性内容的初始化 + + mFontSizeSelector = findViewById(R.id.font_size_selector); + for (int id : sFontSizeBtnsMap.keySet()) { + View view = findViewById(id); + view.setOnClickListener(this); + };//对字体大小的选择 + 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(); + } + //和桌面小工具的同步 + 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); + } + }//************************存在问题 + + @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 + //对选择菜单的准备 + 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); + // MenuInflater是用来实例化Menu目录下的Menu布局文件的 + } 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 + /* + * 函数功能：动态改变菜单选项内容 + * 函数实现：如下注释 + */ + public boolean onOptionsItemSelected(MenuItem item) { + switch (item.getItemId()) { + //根据菜单的id来编剧相关项目 + case R.id.menu_new_note: + //创建一个新的便签 + createNewNote(); + break; + case R.id.menu_delete: + //删除便签 + AlertDialog.Builder builder = new AlertDialog.Builder(this); + //创建关于删除操作的对话框 + builder.setTitle(getString(R.string.alert_title_delete)); + // 设置标签的标题为alert_title_delete + builder.setIcon(android.R.drawable.ic_dialog_alert); + //设置对话框图标 + builder.setMessage(getString(R.string.alert_message_delete_note)); + //设置对话框内容 + builder.setPositiveButton(android.R.string.ok, + new DialogInterface.OnClickListener() { + //建立按键监听器 + public void onClick(DialogInterface dialog, int which) { + //点击所触发事件 + deleteCurrentNote(); + // 删除单签便签 + finish(); + } + }); + //添加“YES”按钮 + builder.setNegativeButton(android.R.string.cancel, null); + //添加“NO”的按钮 + builder.show(); + //显示对话框 + break; + case R.id.menu_font_size: + //字体大小的编辑 + mFontSizeSelector.setVisibility(View.VISIBLE); + // 将字体选择器置为可见 + findViewById(sFontSelectorSelectionMap.get(mFontSizeId)).setVisibility(View.VISIBLE); + // 通过id找到相应的大小 + break; + case R.id.menu_list_mode: + //选择列表模式 + mWorkingNote.setCheckListMode(mWorkingNote.getCheckListMode() == 0 ? + TextNote.MODE_CHECK_LIST : 0); + break; + case R.id.menu_share: + //菜单共享 + getWorkingText(); + sendTo(this, mWorkingNote.getContent()); + // 用sendto函数将运行文本发送到遍历的本文内 + break; + case R.id.menu_send_to_desktop: + //发送到桌面 + sendToDesktop(); + break; + case R.id.menu_alert: + //创建提醒器 + setReminder(); + break; + case R.id.menu_delete_remind: + //删除日期提醒 + mWorkingNote.setAlertDate(0, false); + break; + default: + break; + } + return true; + } + + /* + * 函数功能：建立事件提醒器 + * 函数实现：如下注释 + */ + private void setReminder() { + DateTimePickerDialog d = new DateTimePickerDialog(this, System.currentTimeMillis()); + // 建立修改时间日期的对话框 + d.setOnDateTimeSetListener(new OnDateTimeSetListener() { + public void OnDateTimeSet(AlertDialog dialog, long date) { + mWorkingNote.setAlertDate(date , true); + //选择提醒的日期 + } + }); + //建立时间日期的监听器 + d.show(); + //显示对话框 + } + + /** + * Share note to apps that support {@link Intent#ACTION_SEND} action + * and {@text/plain} type + */ + /* + * 函数功能：共享便签 + * 函数实现：如下注释 + */ + private void sendTo(Context context, String info) { + Intent intent = new Intent(Intent.ACTION_SEND); + //建立intent链接选项 + intent.putExtra(Intent.EXTRA_TEXT, info); + //将需要传递的便签信息放入text文件中 + intent.setType("text/plain"); + //编辑连接器的类型 + context.startActivity(intent); + //在acti中进行链接 + } + + /* + * 函数功能：创建一个新的便签 + * 函数实现：如下注释 + */ + private void createNewNote() { + // Firstly, save current editing notes + //保存当前便签 + saveNote(); + + // For safety, start a new NoteEditActivity + finish(); + Intent intent = new Intent(this, NoteEditActivity.class); + //设置链接器 + intent.setAction(Intent.ACTION_INSERT_OR_EDIT); + //该活动定义为创建或编辑 + intent.putExtra(Notes.INTENT_EXTRA_FOLDER_ID, mWorkingNote.getFolderId()); + //将运行便签的id添加到INTENT_EXTRA_FOLDER_ID标记中 + startActivity(intent); + //开始activity并链接 + } + + /* + * 函数功能：删除当前便签 + * 函数实现：如下注释 + */ + private void deleteCurrentNote() { + if (mWorkingNote.existInDatabase()) { + //假如当前运行的便签内存有数据 + HashSet ids = new HashSet(); + long id = mWorkingNote.getNoteId(); + if (id != Notes.ID_ROOT_FOLDER) { + ids.add(id); + //如果不是头文件夹建立一个hash表把便签id存起来 + } else { + Log.d(TAG, "Wrong note id, should not happen"); + //否则报错 + } + if (!isSyncMode()) { + //在非同步模式情况下 + //删除操作 + if (!DataUtils.batchDeleteNotes(getContentResolver(), ids)) { + Log.e(TAG, "Delete Note error"); + } + } else { + //同步模式 + //移动至垃圾文件夹的操作 + if (!DataUtils.batchMoveToFolder(getContentResolver(), ids, Notes.ID_TRASH_FOLER)) { + Log.e(TAG, "Move notes to trash folder error, should not happens"); + } + } + } + mWorkingNote.markDeleted(true); + //将这些标签的删除标记置为true + } + + /* + * 函数功能：判断是否为同步模式 + * 函数实现：直接看NotesPreferenceActivity中同步名称是否为空 + */ + private boolean isSyncMode() { + return NotesPreferenceActivity.getSyncAccountName(this).trim().length() > 0; + } + + /* + * 函数功能：设置提醒时间 + * 函数实现：如下注释 + */ + 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()) { + //首先保存已有的便签 + saveNote(); + } + if (mWorkingNote.getNoteId() > 0) { + Intent intent = new Intent(this, AlarmReceiver.class); + intent.setData(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, mWorkingNote.getNoteId())); + //若有有运行的便签就是建立一个链接器将标签id都存在uri中 + PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, intent, 0); + AlarmManager alarmManager = ((AlarmManager) getSystemService(ALARM_SERVICE)); + //设置提醒管理器 + showAlertHeader(); + if(!set) { + alarmManager.cancel(pendingIntent); + } else { + alarmManager.set(AlarmManager.RTC_WAKEUP, date, pendingIntent); + } + //如果用户设置了时间，就通过提醒管理器设置一个监听事项 + } 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 + */ + //没有运行的便签就报错 + Log.e(TAG, "Clock alert setting error"); + showToast(R.string.error_note_empty_for_clock); + } + } + + /* + * 函数功能：Widget发生改变的所触发的事件 + */ + public void onWidgetChanged() { + updateWidget();//更新Widget + } + + /* + * 函数功能： 删除编辑文本框所触发的事件 + * 函数实现：如下注释 + */ + public void onEditTextDelete(int index, String text) { + int childCount = mEditTextList.getChildCount(); + if (childCount == 1) { + return; + } + //没有编辑框的话直接返回 + for (int i = index + 1; i < childCount; i++) { + ((NoteEditText) mEditTextList.getChildAt(i).findViewById(R.id.et_edit_text)) + .setIndex(i - 1); + //通过id把编辑框存在便签编辑框中 + } + + mEditTextList.removeViewAt(index); + //删除特定位置的视图 + 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); + } + //通过id把编辑框存在空的NoteEditText中 + int length = edit.length(); + edit.append(text); + edit.requestFocus();//请求优先完成该此 编辑 + edit.setSelection(length);//定位到length位置处的条目 + } + + /* + * 函数功能：进入编辑文本框所触发的事件 + * 函数实现：如下注释 + */ + 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"); + //越界把偶偶 + } + + View view = getListItem(text, index); + mEditTextList.addView(view, index); + //建立一个新的视图并添加到编辑文本框内 + NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text); + edit.requestFocus();//请求优先操作 + edit.setSelection(0);//定位到起始位置 + for (int i = index + 1; i < mEditTextList.getChildCount(); i++) { + ((NoteEditText) mEditTextList.getChildAt(i).findViewById(R.id.et_edit_text)) + .setIndex(i); + //遍历子文本框并设置对应对下标 + } + } + + /* + * 函数功能：切换至列表模式 + * 函数实现：如下注释 + */ + private void switchToListMode(String text) { + mEditTextList.removeAllViews(); + String[] items = text.split("\n"); + int index = 0; + //清空所有视图，初始化下标 + for (String item : items) { + if(!TextUtils.isEmpty(item)) { + mEditTextList.addView(getListItem(item, index)); + index++; + //遍历所有文本单元并添加到文本框中 + } + } + mEditTextList.addView(getListItem("", index)); + mEditTextList.getChildAt(index).findViewById(R.id.et_edit_text).requestFocus(); + //优先请求此操作 + + mNoteEditor.setVisibility(View.GONE); + //便签编辑器不可见 + mEditTextList.setVisibility(View.VISIBLE); + //将文本编辑框置为可见 + } + + /* + * 函数功能：获取高亮效果的反馈情况 + * 函数实现：如下注释 + */ + private Spannable getHighlightQueryResult(String fullText, String userQuery) { + SpannableString spannable = new SpannableString(fullText == null ? "" : fullText); + //新建一个效果选项 + if (!TextUtils.isEmpty(userQuery)) { + mPattern = Pattern.compile(userQuery); + //将用户的询问进行解析 + Matcher m = mPattern.matcher(fullText); + //建立一个状态机检查Pattern并进行匹配 + 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); + //设置背景颜色 + start = m.end(); + //跟新起始位置 + } + } + return spannable; + } + + /* + * 函数功能：获取列表项 + * 函数实现：如下注释 + */ + private View getListItem(String item, int index) { + View view = LayoutInflater.from(this).inflate(R.layout.note_edit_list_item, null); + //创建一个视图 + final NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text); + edit.setTextAppearance(this, TextAppearanceResources.getTexAppearanceResource(mFontSizeId)); + //创建一个文本编辑框并设置可见性 + 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); + } + } + }); + //建立一个打钩框并设置监听器 + + if (item.startsWith(TAG_CHECKED)) { + //选择勾选 + 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)) { + //选择不勾选 + 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)); + //运行编辑框的监听器对该行为作出反应，并设置下标及文本内容 + return view; + } + + /* + * 函数功能：便签内容发生改变所 触发的事件 + * 函数实现：如下注释 + */ + public void onTextChange(int index, boolean hasText) { + if (index >= mEditTextList.getChildCount()) { + Log.e(TAG, "Wrong index, should not happen"); + return; + //越界报错 + } + 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); + } + //如果内容不为空则将其子编辑框可见性置为可见，否则不可见 + } + + /* + * 函数功能：检查模式和列表模式的切换 + * 函数实现：如下注释 + */ + public void onCheckListModeChanged(int oldMode, int newMode) { + if (newMode == TextNote.MODE_CHECK_LIST) { + switchToListMode(mNoteEditor.getText().toString()); + //检查模式切换到列表模式 + } else { + if (!getWorkingText()) { + mWorkingNote.setWorkingText(mWorkingNote.getContent().replace(TAG_UNCHECKED + " ", + "")); + } + //若是获取到文本就改变其检查标记 + mNoteEditor.setText(getHighlightQueryResult(mWorkingNote.getContent(), mUserQuery)); + mEditTextList.setVisibility(View.GONE); + mNoteEditor.setVisibility(View.VISIBLE); + //修改文本编辑器的内容和可见性 + } + } + + /* + * 函数功能：设置勾选选项表并返回是否勾选的标记 + * 函数实现：如下注释 + */ + private boolean getWorkingText() { + boolean hasChecked = false; + //初始化check标记 + if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) { + // 若模式为CHECK_LIST + StringBuilder sb = new StringBuilder(); + //创建可变字符串 + for (int i = 0; i < mEditTextList.getChildCount(); i++) { + View view = mEditTextList.getChildAt(i); + //遍历所有子编辑框的视图 + NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text); + if (!TextUtils.isEmpty(edit.getText())) { + //若文本不为空 + if (((CheckBox) view.findViewById(R.id.cb_edit_item)).isChecked()) { + //该选项框已打钩 + sb.append(TAG_CHECKED).append(" ").append(edit.getText()).append("\n"); + hasChecked = true; + //扩展字符串为已打钩并把标记置true + } else { + sb.append(TAG_UNCHECKED).append(" ").append(edit.getText()).append("\n"); + //扩展字符串添加未打钩 + } + } + } + mWorkingNote.setWorkingText(sb.toString()); + //利用编辑好的字符串设置运行便签的内容 + } else { + mWorkingNote.setWorkingText(mNoteEditor.getText().toString()); + // 若不是该模式直接用编辑器中的内容设置运行中标签的内容 + } + return hasChecked; + } + + /* + * 函数功能：保存便签 + * 函数实现：如下注释 + */ + private boolean saveNote() { + getWorkingText(); + boolean saved = mWorkingNote.saveNote(); + //运行 getWorkingText()之后保存 + 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 + */ + //如英文注释所说链接RESULT_OK是为了识别保存的2种情况，一是创建后保存，二是修改后保存 + setResult(RESULT_OK); + } + return saved; + } + + /* + * 函数功能：将便签发送至桌面 + * 函数实现：如下注释 + */ + 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(); + //若不存在数据也就是新的标签就保存起来先 + } + + if (mWorkingNote.getNoteId() > 0) { + //若是有内容 + Intent sender = new Intent(); + Intent shortcutIntent = new Intent(this, NoteEditActivity.class); + //建立发送到桌面的连接器 + shortcutIntent.setAction(Intent.ACTION_VIEW); + //链接为一个视图 + 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); + //将便签的相关信息都添加到要发送的文件里 + sender.setAction("com.android.launcher.action.INSTALL_SHORTCUT"); + //设置sneder的行为是发送 + showToast(R.string.info_note_enter_desktop); + sendBroadcast(sender); + //显示到桌面 + } 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); + //空便签直接报错 + } + } + + /* + * 函数功能：编辑小图标的标题 + * 函数实现：如下注释 + */ + 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; + //直接设置为content中的内容并返回，有勾选和未勾选2种 + } + + /* + * 函数功能：显示提示的视图 + * 函数实现：根据下标显示对应的提示 + */ + private void showToast(int resId) { + showToast(resId, Toast.LENGTH_SHORT); + } + + /* + * 函数功能：持续显示提示的视图 + * 函数实现：根据下标和持续的时间（duration）编辑提示视图并显示 + */ + private void showToast(int resId, int duration) { + Toast.makeText(this, resId, duration).show(); + } +} +———————————————— +版权声明：本文为CSDN博主「edgarrrr」的原创文章，遵循CC 4.0 BY-SA版权协议，转载请附上原文出处链接及本声明。 +原文链接：https://blog.csdn.net/edgarrr/article/details/127589226 \ No newline at end of file From 1d8c21afc21c496ff8b205272982f317cd0e7579 Mon Sep 17 00:00:00 2001 From: pt3s6koz5 <2636355151@qq.com> Date: Mon, 4 Dec 2023 20:06:17 +0800 Subject: [PATCH 03/10] Update FoldersListAdapter.java --- .../micode/notes/ui/FoldersListAdapter.java | 61 ++++++++----------- 1 file changed, 26 insertions(+), 35 deletions(-) diff --git a/src/MiNotes-master/app/src/main/java/net/micode/notes/ui/FoldersListAdapter.java b/src/MiNotes-master/app/src/main/java/net/micode/notes/ui/FoldersListAdapter.java index 96b77da..9fdba5b 100644 --- a/src/MiNotes-master/app/src/main/java/net/micode/notes/ui/FoldersListAdapter.java +++ b/src/MiNotes-master/app/src/main/java/net/micode/notes/ui/FoldersListAdapter.java @@ -1,21 +1,5 @@ -/* - * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - package net.micode.notes.ui; - + import android.content.Context; import android.database.Cursor; import android.view.View; @@ -23,31 +7,36 @@ import android.view.ViewGroup; import android.widget.CursorAdapter; import android.widget.LinearLayout; import android.widget.TextView; - + import net.micode.notes.R; import net.micode.notes.data.Notes; import net.micode.notes.data.Notes.NoteColumns; - - + + public class FoldersListAdapter extends CursorAdapter { + //CursorAdapter是Cursor和ListView的接口 + //FoldersListAdapter继承了CursorAdapter的类 + //主要作用是便签数据库和用户的交互 + //这里就是用folder（文件夹）的形式展现给用户 public static final String [] PROJECTION = { NoteColumns.ID, NoteColumns.SNIPPET - }; - + };//调用数据库中便签的ID和片段 + public static final int ID_COLUMN = 0; public static final int NAME_COLUMN = 1; - + public FoldersListAdapter(Context context, Cursor c) { super(context, c); // TODO Auto-generated constructor stub - } - + }//数据库操作 + @Override public View newView(Context context, Cursor cursor, ViewGroup parent) { - return new FolderListItem(context); - } - + //ViewGroup是容器 + return new FolderListItem(context); + }//创建一个文件夹，对于各文件夹中子标签的初始化 + @Override public void bindView(View view, Context context, Cursor cursor) { if (view instanceof FolderListItem) { @@ -55,26 +44,28 @@ public class FoldersListAdapter extends CursorAdapter { .getString(R.string.menu_move_parent_folder) : cursor.getString(NAME_COLUMN); ((FolderListItem) view).bind(folderName); } - } - + }//将各个布局文件绑定起来 + public String getFolderName(Context context, int position) { Cursor cursor = (Cursor) getItem(position); return (cursor.getLong(ID_COLUMN) == Notes.ID_ROOT_FOLDER) ? context .getString(R.string.menu_move_parent_folder) : cursor.getString(NAME_COLUMN); - } - + }//根据数据库中标签的ID得到标签的各项内容 + private class FolderListItem extends LinearLayout { private TextView mName; - + public FolderListItem(Context context) { super(context); + //操作数据库 inflate(context, R.layout.folder_list_item, this); + //根据布局文件的名字等信息将其找出来 mName = (TextView) findViewById(R.id.tv_folder_name); } - + public void bind(String name) { mName.setText(name); } } - + } From daa32424990883208f6804021d9c82348d8d4684 Mon Sep 17 00:00:00 2001 From: pt3s6koz5 <2636355151@qq.com> Date: Mon, 4 Dec 2023 20:07:20 +0800 Subject: [PATCH 04/10] Update NoteEditActivity.java --- .../net/micode/notes/ui/NoteEditActivity.java | 441 +++++++++++++----- 1 file changed, 315 insertions(+), 126 deletions(-) diff --git a/src/MiNotes-master/app/src/main/java/net/micode/notes/ui/NoteEditActivity.java b/src/MiNotes-master/app/src/main/java/net/micode/notes/ui/NoteEditActivity.java index 0bbc25d..3b98c60 100644 --- a/src/MiNotes-master/app/src/main/java/net/micode/notes/ui/NoteEditActivity.java +++ b/src/MiNotes-master/app/src/main/java/net/micode/notes/ui/NoteEditActivity.java @@ -1,21 +1,5 @@ -/* - * 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; @@ -51,7 +35,7 @@ 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; @@ -64,26 +48,28 @@ 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 { + //该类主要是针对标签的编辑 + //继承了系统内部许多和监听有关的类 private class HeadViewHolder { public TextView tvModified; - + public ImageView ivAlertIcon; - + public TextView tvAlertDate; - + public ImageView ibSetBgColor; } - + //使用Map实现数据存储 private static final Map sBgSelectorBtnsMap = new HashMap(); static { sBgSelectorBtnsMap.put(R.id.iv_bg_yellow, ResourceParser.YELLOW); @@ -91,8 +77,9 @@ public class NoteEditActivity extends Activity implements OnClickListener, 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); + //put函数是将指定值和指定键相连 } - + private static final Map sBgSelectorSelectionMap = new HashMap(); static { sBgSelectorSelectionMap.put(ResourceParser.YELLOW, R.id.iv_bg_yellow_select); @@ -100,67 +87,73 @@ public class NoteEditActivity extends Activity implements OnClickListener, 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); + //put函数是将指定值和指定键相连 } - + private static final Map sFontSizeBtnsMap = new HashMap(); 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); + //put函数是将指定值和指定键相连 } - + private static final Map sFontSelectorSelectionMap = new HashMap(); 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); + //put函数是将指定值和指定键相连 } - + private static final String TAG = "NoteEditActivity"; - + private HeadViewHolder mNoteHeaderHolder; - + private View mHeadViewPanel; - + //私有化一个界面操作mHeadViewPanel，对表头的操作 private View mNoteBgColorSelector; - + //私有化一个界面操作mNoteBgColorSelector，对背景颜色的操作 private View mFontSizeSelector; - + //私有化一个界面操作mFontSizeSelector，对标签字体的操作 private EditText mNoteEditor; - + //声明编辑控件，对文本操作 private View mNoteEditorPanel; - - private WorkingNote mWorkingNote; - + //私有化一个界面操作mNoteEditorPanel，文本编辑的控制板 + //private WorkingNote mWorkingNote; + public WorkingNote mWorkingNote; + //对模板WorkingNote的初始化 private SharedPreferences mSharedPrefs; + //私有化SharedPreferences的数据存储方式 + //它的本质是基于XML文件存储key-value键值对数据 private int mFontSizeId; - + //用于操作字体的大小 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; - + //线性布局 private String mUserQuery; private Pattern mPattern; - + @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); this.setContentView(R.layout.note_edit); - + //对数据库的访问操作 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 @@ -176,9 +169,9 @@ public class NoteEditActivity extends Activity implements OnClickListener, return; } Log.d(TAG, "Restoring from killed activity"); - } + }//为防止内存不足时程序的终止，在这里有一个保存现场的函数 } - + private boolean initActivityState(Intent intent) { /** * If the user specified the {@link Intent#ACTION_VIEW} but not provided with id, @@ -188,34 +181,42 @@ public class NoteEditActivity extends Activity implements OnClickListener, if (TextUtils.equals(Intent.ACTION_VIEW, intent.getAction())) { long noteId = intent.getLongExtra(Intent.EXTRA_UID, 0); mUserQuery = ""; - + //如果用户实例化标签时，系统并未给出标签ID /** * Starting from the searched result */ + //根据键值查找ID if (intent.hasExtra(SearchManager.EXTRA_DATA_KEY)) { noteId = Long.parseLong(intent.getStringExtra(SearchManager.EXTRA_DATA_KEY)); mUserQuery = intent.getStringExtra(SearchManager.USER_QUERY); } - + //如果ID在数据库中未找到 if (!DataUtils.visibleInNoteDatabase(getContentResolver(), noteId, Notes.TYPE_NOTE)) { Intent jump = new Intent(this, NotesListActivity.class); startActivity(jump); + //程序将跳转到上面声明的intent——jump showToast(R.string.error_note_not_exist); finish(); return false; - } else { + } + //ID在数据库中找到 + else { mWorkingNote = WorkingNote.load(this, noteId); if (mWorkingNote == null) { Log.e(TAG, "load note failed with note id" + noteId); + //打印出红色的错误信息 finish(); return false; } } + //setSoftInputMode——软键盘输入模式 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 + // intent.getAction() + // 大多用于broadcast发送广播时给机制（intent）设置一个action，就是一个字符串 + // 用户可以通过receive（接受）intent，通过 getAction得到的字符串，来决定做什么 long folderId = intent.getLongExtra(Notes.INTENT_EXTRA_FOLDER_ID, 0); int widgetId = intent.getIntExtra(Notes.INTENT_EXTRA_WIDGET_ID, AppWidgetManager.INVALID_APPWIDGET_ID); @@ -223,7 +224,7 @@ public class NoteEditActivity extends Activity implements OnClickListener, Notes.TYPE_WIDGET_INVALIDE); int bgResId = intent.getIntExtra(Notes.INTENT_EXTRA_BACKGROUND_ID, ResourceParser.getDefaultBgId(this)); - + // intent.getInt（Long、String）Extra是对各变量的语法分析 // Parse call-record note String phoneNumber = intent.getStringExtra(Intent.EXTRA_PHONE_NUMBER); long callDate = intent.getLongExtra(Notes.INTENT_EXTRA_CALL_DATE, 0); @@ -240,16 +241,18 @@ public class NoteEditActivity extends Activity implements OnClickListener, finish(); return false; } + //将电话号码与手机的号码簿相关 } else { mWorkingNote = WorkingNote.createEmptyNote(this, folderId, widgetId, widgetType, bgResId); mWorkingNote.convertToCallNote(phoneNumber, callDate); + // } } else { mWorkingNote = WorkingNote.createEmptyNote(this, folderId, widgetId, widgetType, bgResId); - } - + }//创建一个新的WorkingNote + getWindow().setSoftInputMode( WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE | WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE); @@ -261,16 +264,18 @@ public class NoteEditActivity extends Activity implements OnClickListener, mWorkingNote.setOnSettingStatusChangedListener(this); return true; } - + @Override protected void onResume() { super.onResume(); initNoteScreen(); } - + private void initNoteScreen() { + //对界面的初始化操作 mNoteEditor.setTextAppearance(this, TextAppearanceResources .getTexAppearanceResource(mFontSizeId)); + //设置外观 if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) { switchToListMode(mWorkingNote.getContent()); } else { @@ -282,42 +287,45 @@ public class NoteEditActivity extends Activity implements OnClickListener, } 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(); } - + //设置闹钟的显示 private void showAlertHeader() { if (mWorkingNote.hasClockAlert()) { long time = System.currentTimeMillis(); if (time > mWorkingNote.getAlertDate()) { mNoteHeaderHolder.tvAlertDate.setText(R.string.note_alert_expired); - } else { + } + //如果系统时间大于了闹钟设置的时间，那么闹钟失效 + else { mNoteHeaderHolder.tvAlertDate.setText(DateUtils.getRelativeTimeSpanString( mWorkingNote.getAlertDate(), time, DateUtils.MINUTE_IN_MILLIS)); } mNoteHeaderHolder.tvAlertDate.setVisibility(View.VISIBLE); mNoteHeaderHolder.ivAlertIcon.setVisibility(View.VISIBLE); + //显示闹钟开启的图标 } 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); @@ -329,26 +337,29 @@ public class NoteEditActivity extends Activity implements OnClickListener, if (!mWorkingNote.existInDatabase()) { saveNote(); } + //在创建一个新的标签时，先在数据库中匹配 + //如果不存在，那么先在数据库中存储 outState.putLong(Intent.EXTRA_UID, mWorkingNote.getNoteId()); Log.d(TAG, "Save working note id: " + mWorkingNote.getNoteId() + " onSaveInstanceState"); } - + @Override + //MotionEvent是对屏幕触控的传递机制 public boolean dispatchTouchEvent(MotionEvent ev) { if (mNoteBgColorSelector.getVisibility() == View.VISIBLE && !inRangeOfView(mNoteBgColorSelector, ev)) { mNoteBgColorSelector.setVisibility(View.GONE); return true; - } - + }//颜色选择器在屏幕上可见 + if (mFontSizeSelector.getVisibility() == View.VISIBLE && !inRangeOfView(mFontSizeSelector, ev)) { mFontSizeSelector.setVisibility(View.GONE); return true; - } + }//字体大小选择器在屏幕上可见 return super.dispatchTouchEvent(ev); } - + //对屏幕触控的坐标进行操作 private boolean inRangeOfView(View view, MotionEvent ev) { int []location = new int[2]; view.getLocationOnScreen(location); @@ -357,12 +368,14 @@ public class NoteEditActivity extends Activity implements OnClickListener, if (ev.getX() < x || ev.getX() > (x + view.getWidth()) || ev.getY() < y - || ev.getY() > (y + view.getHeight())) { + || ev.getY() > (y + view.getHeight())) + //如果触控的位置超出了给定的范围，返回false + { return false; } return true; } - + private void initResources() { mHeadViewPanel = findViewById(R.id.note_title); mNoteHeaderHolder = new HeadViewHolder(); @@ -377,13 +390,13 @@ public class NoteEditActivity extends Activity implements OnClickListener, for (int id : sBgSelectorBtnsMap.keySet()) { ImageView iv = (ImageView) findViewById(id); iv.setOnClickListener(this); - } - + }//对标签各项属性内容的初始化 + mFontSizeSelector = findViewById(R.id.font_size_selector); for (int id : sFontSizeBtnsMap.keySet()) { View view = findViewById(id); view.setOnClickListener(this); - }; + };//对字体大小的选择 mSharedPrefs = PreferenceManager.getDefaultSharedPreferences(this); mFontSizeId = mSharedPrefs.getInt(PREFERENCE_FONT_SIZE, ResourceParser.BG_DEFAULT_FONT_SIZE); /** @@ -396,7 +409,7 @@ public class NoteEditActivity extends Activity implements OnClickListener, } mEditTextList = (LinearLayout) findViewById(R.id.note_edit_list); } - + @Override protected void onPause() { super.onPause(); @@ -405,7 +418,7 @@ public class NoteEditActivity extends Activity implements OnClickListener, } clearSettingState(); } - + //和桌面小工具的同步 private void updateWidget() { Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE); if (mWorkingNote.getWidgetType() == Notes.TYPE_WIDGET_2X) { @@ -416,15 +429,15 @@ public class NoteEditActivity extends Activity implements OnClickListener, 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) { @@ -450,18 +463,18 @@ public class NoteEditActivity extends Activity implements OnClickListener, } mFontSizeSelector.setVisibility(View.GONE); } - } - + }//************************存在问题 + @Override public void onBackPressed() { if(clearSettingState()) { return; } - + saveNote(); super.onBackPressed(); } - + private boolean clearSettingState() { if (mNoteBgColorSelector.getVisibility() == View.VISIBLE) { mNoteBgColorSelector.setVisibility(View.GONE); @@ -472,15 +485,16 @@ public class NoteEditActivity extends Activity implements OnClickListener, } return false; } - + public void onBackgroundColorChanged() { findViewById(sBgSelectorSelectionMap.get(mWorkingNote.getBgColorId())).setVisibility( View.VISIBLE); mNoteEditorPanel.setBackgroundResource(mWorkingNote.getBgColorResId()); mHeadViewPanel.setBackgroundResource(mWorkingNote.getTitleBgResId()); } - + @Override + //对选择菜单的准备 public boolean onPrepareOptionsMenu(Menu menu) { if (isFinishing()) { return true; @@ -489,6 +503,7 @@ public class NoteEditActivity extends Activity implements OnClickListener, menu.clear(); if (mWorkingNote.getFolderId() == Notes.ID_CALL_RECORD_FOLDER) { getMenuInflater().inflate(R.menu.call_note_edit, menu); + // MenuInflater是用来实例化Menu目录下的Menu布局文件的 } else { getMenuInflater().inflate(R.menu.note_edit, menu); } @@ -504,47 +519,73 @@ public class NoteEditActivity extends Activity implements OnClickListener, } return true; } - + @Override + /* + * 函数功能：动态改变菜单选项内容 + * 函数实现：如下注释 + */ public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { + //根据菜单的id来编剧相关项目 case R.id.menu_new_note: + //创建一个新的便签 createNewNote(); break; case R.id.menu_delete: + //删除便签 AlertDialog.Builder builder = new AlertDialog.Builder(this); + //创建关于删除操作的对话框 builder.setTitle(getString(R.string.alert_title_delete)); + // 设置标签的标题为alert_title_delete builder.setIcon(android.R.drawable.ic_dialog_alert); + //设置对话框图标 builder.setMessage(getString(R.string.alert_message_delete_note)); + //设置对话框内容 builder.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() { + //建立按键监听器 public void onClick(DialogInterface dialog, int which) { + //点击所触发事件 deleteCurrentNote(); + // 删除单签便签 finish(); } }); + //添加“YES”按钮 builder.setNegativeButton(android.R.string.cancel, null); + //添加“NO”的按钮 builder.show(); + //显示对话框 break; case R.id.menu_font_size: + //字体大小的编辑 mFontSizeSelector.setVisibility(View.VISIBLE); + // 将字体选择器置为可见 findViewById(sFontSelectorSelectionMap.get(mFontSizeId)).setVisibility(View.VISIBLE); + // 通过id找到相应的大小 break; case R.id.menu_list_mode: + //选择列表模式 mWorkingNote.setCheckListMode(mWorkingNote.getCheckListMode() == 0 ? TextNote.MODE_CHECK_LIST : 0); break; case R.id.menu_share: + //菜单共享 getWorkingText(); sendTo(this, mWorkingNote.getContent()); + // 用sendto函数将运行文本发送到遍历的本文内 break; case R.id.menu_send_to_desktop: + //发送到桌面 sendToDesktop(); break; case R.id.menu_alert: + //创建提醒器 setReminder(); break; case R.id.menu_delete_remind: + //删除日期提醒 mWorkingNote.setAlertDate(0, false); break; default: @@ -552,112 +593,171 @@ public class NoteEditActivity extends Activity implements OnClickListener, } return true; } - + + /* + * 函数功能：建立事件提醒器 + * 函数实现：如下注释 + */ private void setReminder() { DateTimePickerDialog d = new DateTimePickerDialog(this, System.currentTimeMillis()); + // 建立修改时间日期的对话框 d.setOnDateTimeSetListener(new OnDateTimeSetListener() { public void OnDateTimeSet(AlertDialog dialog, long date) { mWorkingNote.setAlertDate(date , true); + //选择提醒的日期 } - }); + }); + //建立时间日期的监听器 d.show(); + //显示对话框 } - + /** * Share note to apps that support {@link Intent#ACTION_SEND} action * and {@text/plain} type */ + /* + * 函数功能：共享便签 + * 函数实现：如下注释 + */ private void sendTo(Context context, String info) { Intent intent = new Intent(Intent.ACTION_SEND); + //建立intent链接选项 intent.putExtra(Intent.EXTRA_TEXT, info); + //将需要传递的便签信息放入text文件中 intent.setType("text/plain"); + //编辑连接器的类型 context.startActivity(intent); + //在acti中进行链接 } - + + /* + * 函数功能：创建一个新的便签 + * 函数实现：如下注释 + */ private void createNewNote() { // Firstly, save current editing notes + //保存当前便签 saveNote(); - + // For safety, start a new NoteEditActivity finish(); Intent intent = new Intent(this, NoteEditActivity.class); + //设置链接器 intent.setAction(Intent.ACTION_INSERT_OR_EDIT); + //该活动定义为创建或编辑 intent.putExtra(Notes.INTENT_EXTRA_FOLDER_ID, mWorkingNote.getFolderId()); + //将运行便签的id添加到INTENT_EXTRA_FOLDER_ID标记中 startActivity(intent); + //开始activity并链接 } - + + /* + * 函数功能：删除当前便签 + * 函数实现：如下注释 + */ private void deleteCurrentNote() { if (mWorkingNote.existInDatabase()) { + //假如当前运行的便签内存有数据 HashSet ids = new HashSet(); long id = mWorkingNote.getNoteId(); if (id != Notes.ID_ROOT_FOLDER) { ids.add(id); + //如果不是头文件夹建立一个hash表把便签id存起来 } else { Log.d(TAG, "Wrong note id, should not happen"); + //否则报错 } if (!isSyncMode()) { + //在非同步模式情况下 + //删除操作 if (!DataUtils.batchDeleteNotes(getContentResolver(), ids)) { Log.e(TAG, "Delete Note error"); } } else { + //同步模式 + //移动至垃圾文件夹的操作 if (!DataUtils.batchMoveToFolder(getContentResolver(), ids, Notes.ID_TRASH_FOLER)) { Log.e(TAG, "Move notes to trash folder error, should not happens"); } } } mWorkingNote.markDeleted(true); + //将这些标签的删除标记置为true } - + + /* + * 函数功能：判断是否为同步模式 + * 函数实现：直接看NotesPreferenceActivity中同步名称是否为空 + */ private boolean isSyncMode() { return NotesPreferenceActivity.getSyncAccountName(this).trim().length() > 0; } - + + /* + * 函数功能：设置提醒时间 + * 函数实现：如下注释 + */ 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()) { + //首先保存已有的便签 saveNote(); } if (mWorkingNote.getNoteId() > 0) { Intent intent = new Intent(this, AlarmReceiver.class); intent.setData(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, mWorkingNote.getNoteId())); + //若有有运行的便签就是建立一个链接器将标签id都存在uri中 PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, intent, 0); AlarmManager alarmManager = ((AlarmManager) getSystemService(ALARM_SERVICE)); + //设置提醒管理器 showAlertHeader(); if(!set) { alarmManager.cancel(pendingIntent); } else { alarmManager.set(AlarmManager.RTC_WAKEUP, date, pendingIntent); } + //如果用户设置了时间，就通过提醒管理器设置一个监听事项 } 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 - */ + */ + //没有运行的便签就报错 Log.e(TAG, "Clock alert setting error"); showToast(R.string.error_note_empty_for_clock); } } - + + /* + * 函数功能：Widget发生改变的所触发的事件 + */ public void onWidgetChanged() { - updateWidget(); + updateWidget();//更新Widget } - + + /* + * 函数功能： 删除编辑文本框所触发的事件 + * 函数实现：如下注释 + */ public void onEditTextDelete(int index, String text) { int childCount = mEditTextList.getChildCount(); if (childCount == 1) { return; } - + //没有编辑框的话直接返回 for (int i = index + 1; i < childCount; i++) { ((NoteEditText) mEditTextList.getChildAt(i).findViewById(R.id.et_edit_text)) .setIndex(i - 1); + //通过id把编辑框存在便签编辑框中 } - + mEditTextList.removeViewAt(index); + //删除特定位置的视图 NoteEditText edit = null; if(index == 0) { edit = (NoteEditText) mEditTextList.getChildAt(0).findViewById( @@ -666,69 +766,101 @@ public class NoteEditActivity extends Activity implements OnClickListener, edit = (NoteEditText) mEditTextList.getChildAt(index - 1).findViewById( R.id.et_edit_text); } + //通过id把编辑框存在空的NoteEditText中 int length = edit.length(); edit.append(text); - edit.requestFocus(); - edit.setSelection(length); + edit.requestFocus();//请求优先完成该此 编辑 + edit.setSelection(length);//定位到length位置处的条目 } - + + /* + * 函数功能：进入编辑文本框所触发的事件 + * 函数实现：如下注释 + */ 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"); + //越界把偶偶 } - + View view = getListItem(text, index); mEditTextList.addView(view, index); + //建立一个新的视图并添加到编辑文本框内 NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text); - edit.requestFocus(); - edit.setSelection(0); + edit.requestFocus();//请求优先操作 + edit.setSelection(0);//定位到起始位置 for (int i = index + 1; i < mEditTextList.getChildCount(); i++) { ((NoteEditText) mEditTextList.getChildAt(i).findViewById(R.id.et_edit_text)) .setIndex(i); + //遍历子文本框并设置对应对下标 } } - + + /* + * 函数功能：切换至列表模式 + * 函数实现：如下注释 + */ private void switchToListMode(String text) { mEditTextList.removeAllViews(); String[] items = text.split("\n"); int index = 0; + //清空所有视图，初始化下标 for (String item : items) { if(!TextUtils.isEmpty(item)) { mEditTextList.addView(getListItem(item, index)); index++; + //遍历所有文本单元并添加到文本框中 } } mEditTextList.addView(getListItem("", index)); mEditTextList.getChildAt(index).findViewById(R.id.et_edit_text).requestFocus(); - + //优先请求此操作 + mNoteEditor.setVisibility(View.GONE); + //便签编辑器不可见 mEditTextList.setVisibility(View.VISIBLE); + //将文本编辑框置为可见 } - + + /* + * 函数功能：获取高亮效果的反馈情况 + * 函数实现：如下注释 + */ private Spannable getHighlightQueryResult(String fullText, String userQuery) { SpannableString spannable = new SpannableString(fullText == null ? "" : fullText); + //新建一个效果选项 if (!TextUtils.isEmpty(userQuery)) { mPattern = Pattern.compile(userQuery); + //将用户的询问进行解析 Matcher m = mPattern.matcher(fullText); + //建立一个状态机检查Pattern并进行匹配 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); + //设置背景颜色 start = m.end(); + //跟新起始位置 } } return spannable; } - + + /* + * 函数功能：获取列表项 + * 函数实现：如下注释 + */ private View getListItem(String item, int index) { View view = LayoutInflater.from(this).inflate(R.layout.note_edit_list_item, null); + //创建一个视图 final NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text); edit.setTextAppearance(this, TextAppearanceResources.getTexAppearanceResource(mFontSizeId)); + //创建一个文本编辑框并设置可见性 CheckBox cb = ((CheckBox) view.findViewById(R.id.cb_edit_item)); cb.setOnCheckedChangeListener(new OnCheckedChangeListener() { public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { @@ -739,75 +871,111 @@ public class NoteEditActivity extends Activity implements OnClickListener, } } }); - + //建立一个打钩框并设置监听器 + if (item.startsWith(TAG_CHECKED)) { + //选择勾选 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)) { + //选择不勾选 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)); + //运行编辑框的监听器对该行为作出反应，并设置下标及文本内容 return view; } - + + /* + * 函数功能：便签内容发生改变所 触发的事件 + * 函数实现：如下注释 + */ public void onTextChange(int index, boolean hasText) { if (index >= mEditTextList.getChildCount()) { Log.e(TAG, "Wrong index, should not happen"); return; + //越界报错 } 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); } + //如果内容不为空则将其子编辑框可见性置为可见，否则不可见 } - + + /* + * 函数功能：检查模式和列表模式的切换 + * 函数实现：如下注释 + */ public void onCheckListModeChanged(int oldMode, int newMode) { if (newMode == TextNote.MODE_CHECK_LIST) { switchToListMode(mNoteEditor.getText().toString()); + //检查模式切换到列表模式 } else { if (!getWorkingText()) { mWorkingNote.setWorkingText(mWorkingNote.getContent().replace(TAG_UNCHECKED + " ", "")); } + //若是获取到文本就改变其检查标记 mNoteEditor.setText(getHighlightQueryResult(mWorkingNote.getContent(), mUserQuery)); mEditTextList.setVisibility(View.GONE); mNoteEditor.setVisibility(View.VISIBLE); + //修改文本编辑器的内容和可见性 } } - + + /* + * 函数功能：设置勾选选项表并返回是否勾选的标记 + * 函数实现：如下注释 + */ private boolean getWorkingText() { boolean hasChecked = false; + //初始化check标记 if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) { + // 若模式为CHECK_LIST StringBuilder sb = new StringBuilder(); + //创建可变字符串 for (int i = 0; i < mEditTextList.getChildCount(); i++) { View view = mEditTextList.getChildAt(i); + //遍历所有子编辑框的视图 NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text); if (!TextUtils.isEmpty(edit.getText())) { + //若文本不为空 if (((CheckBox) view.findViewById(R.id.cb_edit_item)).isChecked()) { + //该选项框已打钩 sb.append(TAG_CHECKED).append(" ").append(edit.getText()).append("\n"); hasChecked = true; + //扩展字符串为已打钩并把标记置true } else { sb.append(TAG_UNCHECKED).append(" ").append(edit.getText()).append("\n"); + //扩展字符串添加未打钩 } } } mWorkingNote.setWorkingText(sb.toString()); + //利用编辑好的字符串设置运行便签的内容 } else { mWorkingNote.setWorkingText(mNoteEditor.getText().toString()); + // 若不是该模式直接用编辑器中的内容设置运行中标签的内容 } return hasChecked; } - + + /* + * 函数功能：保存便签 + * 函数实现：如下注释 + */ private boolean saveNote() { getWorkingText(); boolean saved = mWorkingNote.saveNote(); + //运行 getWorkingText()之后保存 if (saved) { /** * There are two modes from List view to edit view, open one note, @@ -816,11 +984,16 @@ public class NoteEditActivity extends Activity implements OnClickListener, * new node requires to the top of the list. This code * {@link #RESULT_OK} is used to identify the create/edit state */ + //如英文注释所说链接RESULT_OK是为了识别保存的2种情况，一是创建后保存，二是修改后保存 setResult(RESULT_OK); } return saved; } - + + /* + * 函数功能：将便签发送至桌面 + * 函数实现：如下注释 + */ private void sendToDesktop() { /** * Before send message to home, we should make sure that current @@ -829,12 +1002,16 @@ public class NoteEditActivity extends Activity implements OnClickListener, */ if (!mWorkingNote.existInDatabase()) { saveNote(); + //若不存在数据也就是新的标签就保存起来先 } - + if (mWorkingNote.getNoteId() > 0) { + //若是有内容 Intent sender = new Intent(); Intent shortcutIntent = new Intent(this, NoteEditActivity.class); + //建立发送到桌面的连接器 shortcutIntent.setAction(Intent.ACTION_VIEW); + //链接为一个视图 shortcutIntent.putExtra(Intent.EXTRA_UID, mWorkingNote.getNoteId()); sender.putExtra(Intent.EXTRA_SHORTCUT_INTENT, shortcutIntent); sender.putExtra(Intent.EXTRA_SHORTCUT_NAME, @@ -842,9 +1019,12 @@ public class NoteEditActivity extends Activity implements OnClickListener, sender.putExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE, Intent.ShortcutIconResource.fromContext(this, R.drawable.icon_app)); sender.putExtra("duplicate", true); + //将便签的相关信息都添加到要发送的文件里 sender.setAction("com.android.launcher.action.INSTALL_SHORTCUT"); + //设置sneder的行为是发送 showToast(R.string.info_note_enter_desktop); sendBroadcast(sender); + //显示到桌面 } else { /** * There is the condition that user has input nothing (the note is @@ -853,26 +1033,35 @@ public class NoteEditActivity extends Activity implements OnClickListener, */ Log.e(TAG, "Send to desktop error"); showToast(R.string.error_note_empty_for_send_to_desktop); + //空便签直接报错 } } - + + /* + * 函数功能：编辑小图标的标题 + * 函数实现：如下注释 + */ 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; - } - + //直接设置为content中的内容并返回，有勾选和未勾选2种 + } + + /* + * 函数功能：显示提示的视图 + * 函数实现：根据下标显示对应的提示 + */ private void showToast(int resId) { showToast(resId, Toast.LENGTH_SHORT); } - + + /* + * 函数功能：持续显示提示的视图 + * 函数实现：根据下标和持续的时间（duration）编辑提示视图并显示 + */ private void showToast(int resId, int duration) { Toast.makeText(this, resId, duration).show(); } - - - public void OnOpenMenu(View view) { - openOptionsMenu(); - } } From fdf5fbaadacad599dd95ab6052d1a00075d66065 Mon Sep 17 00:00:00 2001 From: pt3s6koz5 <2636355151@qq.com> Date: Fri, 22 Dec 2023 20:49:29 +0800 Subject: [PATCH 05/10] Update NoteEditText.java --- .../net/micode/notes/ui/NoteEditText.java | 109 +++++++++++++----- 1 file changed, 81 insertions(+), 28 deletions(-) diff --git a/src/MiNotes-master/app/src/main/java/net/micode/notes/ui/NoteEditText.java b/src/MiNotes-master/app/src/main/java/net/micode/notes/ui/NoteEditText.java index 2afe2a8..4c87482 100644 --- a/src/MiNotes-master/app/src/main/java/net/micode/notes/ui/NoteEditText.java +++ b/src/MiNotes-master/app/src/main/java/net/micode/notes/ui/NoteEditText.java @@ -1,19 +1,3 @@ -/* - * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - package net.micode.notes.ui; import android.content.Context; @@ -37,7 +21,8 @@ import net.micode.notes.R; import java.util.HashMap; import java.util.Map; -public class NoteEditText extends EditText { +//继承edittext，设置便签设置文本框 +public class NoteEditText extends EditText { private static final String TAG = "NoteEditText"; private int mIndex; private int mSelectionStartBeforeDelete; @@ -45,7 +30,8 @@ public class NoteEditText extends EditText { private static final String SCHEME_TEL = "tel:" ; private static final String SCHEME_HTTP = "http:" ; private static final String SCHEME_EMAIL = "mailto:" ; - + + ///建立一个字符和整数的hash表，用于链接电话，网站，还有邮箱 private static final Map sSchemaActionResMap = new HashMap(); static { sSchemaActionResMap.put(SCHEME_TEL, R.string.note_link_tel); @@ -56,17 +42,20 @@ public class NoteEditText extends EditText { /** * Call by the {@link NoteEditActivity} to delete or add edit text */ + //在NoteEditActivity中删除或添加文本的操作，可以看做是一个文本是否被变的标记，英文注释已说明的很清楚 public interface OnTextViewChangeListener { /** * Delete current edit text when {@link KeyEvent#KEYCODE_DEL} happens * and the text is null */ + //处理删除按键时的操作 void onEditTextDelete(int index, String text); /** * Add edit text after current edit text when {@link KeyEvent#KEYCODE_ENTER} * happen */ + //处理进入按键时的操作 void onEditTextEnter(int index, String text); /** @@ -77,43 +66,56 @@ public class NoteEditText extends EditText { private OnTextViewChangeListener mOnTextViewChangeListener; + //根据context设置文本 public NoteEditText(Context context) { - super(context, null); + super(context, null);//用super引用父类变量 mIndex = 0; } + //设置当前光标 public void setIndex(int index) { mIndex = index; } - + + //初始化文本修改标记 public void setOnTextViewChangeListener(OnTextViewChangeListener listener) { mOnTextViewChangeListener = listener; } - public NoteEditText(Context context, AttributeSet attrs) { + //AttributeSet 百度了一下是自定义空控件属性，用于维护便签动态变化的属性 + //初始化便签 + public NoteEditText(Context context, AttributeSet attrs) { super(context, attrs, android.R.attr.editTextStyle); } + // 根据defstyle自动初始化 public NoteEditText(Context context, AttributeSet attrs, int defStyle) { super(context, attrs, defStyle); - // TODO Auto-generated constructor stub - } + // TODO Auto-generated construct or stub + } @Override + //view里的函数，处理手机屏幕的所有事件 + /*参数event为手机屏幕触摸事件封装类的对象，其中封装了该事件的所有信息， + 例如触摸的位置、触摸的类型以及触摸的时间等。该对象会在用户触摸手机屏幕时被创建。*/ public boolean onTouchEvent(MotionEvent event) { switch (event.getAction()) { + //重写了需要处理屏幕被按下的事件 case MotionEvent.ACTION_DOWN: - + //跟新当前坐标值 int x = (int) event.getX(); int y = (int) event.getY(); x -= getTotalPaddingLeft(); y -= getTotalPaddingTop(); x += getScrollX(); y += getScrollY(); - + + //用布局控件layout根据x,y的新值设置新的位置 Layout layout = getLayout(); int line = layout.getLineForVertical(y); int off = layout.getOffsetForHorizontal(line, x); + + //更新光标新的位置 Selection.setSelection(getText(), off); break; } @@ -122,96 +124,147 @@ public class NoteEditText extends EditText { } @Override + /* + * 函数功能：处理用户按下一个键盘按键时会触发 的事件 + * 实现过程：如下注释 + */ public boolean onKeyDown(int keyCode, KeyEvent event) { switch (keyCode) { + //根据按键的 Unicode 编码值来处理 case KeyEvent.KEYCODE_ENTER: + //“进入”按键 if (mOnTextViewChangeListener != null) { return false; } break; case KeyEvent.KEYCODE_DEL: + //“删除”按键 mSelectionStartBeforeDelete = getSelectionStart(); break; default: break; } + //继续执行父类的其他点击事件 return super.onKeyDown(keyCode, event); } @Override + /* + * 函数功能：处理用户松开一个键盘按键时会触发 的事件 + * 实现方式：如下注释 + */ public boolean onKeyUp(int keyCode, KeyEvent event) { switch(keyCode) { + //根据按键的 Unicode 编码值来处理，有删除和进入2种操作 case KeyEvent.KEYCODE_DEL: if (mOnTextViewChangeListener != null) { + //若是被修改过 if (0 == mSelectionStartBeforeDelete && mIndex != 0) { + //若之前有被修改并且文档不为空 mOnTextViewChangeListener.onEditTextDelete(mIndex, getText().toString()); + //利用上文OnTextViewChangeListener对KEYCODE_DEL按键情况的删除函数进行删除 return true; } } else { Log.d(TAG, "OnTextViewChangeListener was not seted"); + //其他情况报错，文档的改动监听器并没有建立 } break; case KeyEvent.KEYCODE_ENTER: + //同上也是分为监听器是否建立2种情况 if (mOnTextViewChangeListener != null) { int selectionStart = getSelectionStart(); + //获取当前位置 String text = getText().subSequence(selectionStart, length()).toString(); + //获取当前文本 setText(getText().subSequence(0, selectionStart)); + //根据获取的文本设置当前文本 mOnTextViewChangeListener.onEditTextEnter(mIndex + 1, text); + //当{@link KeyEvent#KEYCODE_ENTER}添加新文本 } else { Log.d(TAG, "OnTextViewChangeListener was not seted"); + //其他情况报错，文档的改动监听器并没有建立 } break; default: break; } + //继续执行父类的其他按键弹起的事件 return super.onKeyUp(keyCode, event); } @Override + /* + * 函数功能：当焦点发生变化时，会自动调用该方法来处理焦点改变的事件 + * 实现方式：如下注释 + * 参数：focused表示触发该事件的View是否获得了焦点，当该控件获得焦点时，Focused等于true，否则等于false。 + direction表示焦点移动的方向，用数值表示 + Rect：表示在触发事件的View的坐标系中，前一个获得焦点的矩形区域，即表示焦点是从哪里来的。如果不可用则为null + */ protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) { - if (mOnTextViewChangeListener != null) { + if (mOnTextViewChangeListener != null) { + //若监听器已经建立 if (!focused && TextUtils.isEmpty(getText())) { + //获取到焦点并且文本不为空 mOnTextViewChangeListener.onTextChange(mIndex, false); + //mOnTextViewChangeListener子函数，置false隐藏事件选项 } else { mOnTextViewChangeListener.onTextChange(mIndex, true); + //mOnTextViewChangeListener子函数，置true显示事件选项 } } + //继续执行父类的其他焦点变化的事件 super.onFocusChanged(focused, direction, previouslyFocusedRect); } @Override + /* + * 函数功能：生成上下文菜单 + * 函数实现：如下注释 + */ protected void onCreateContextMenu(ContextMenu menu) { if (getText() instanceof Spanned) { + //有文本存在 int selStart = getSelectionStart(); int selEnd = getSelectionEnd(); + //获取文本开始和结尾位置 int min = Math.min(selStart, selEnd); int max = Math.max(selStart, selEnd); - + //获取开始到结尾的最大值和最小值 + final URLSpan[] urls = ((Spanned) getText()).getSpans(min, max, URLSpan.class); + //设置url的信息的范围值 if (urls.length == 1) { int defaultResId = 0; for(String schema: sSchemaActionResMap.keySet()) { + //获取计划表中所有的key值 if(urls[0].getURL().indexOf(schema) >= 0) { + //若url可以添加则在添加后将defaultResId置为key所映射的值 defaultResId = sSchemaActionResMap.get(schema); break; } } if (defaultResId == 0) { + //defaultResId == 0则说明url并没有添加任何东西，所以置为连接其他SchemaActionResMap的值 defaultResId = R.string.note_link_other; } + //建立菜单 menu.add(0, 0, 0, defaultResId).setOnMenuItemClickListener( new OnMenuItemClickListener() { + //新建按键监听器 public boolean onMenuItemClick(MenuItem item) { // goto a new intent urls[0].onClick(NoteEditText.this); + //根据相应的文本设置菜单的按键 return true; } }); } } + //继续执行父类的其他菜单创建的事件 super.onCreateContextMenu(menu); } -} +} \ No newline at end of file From 06c5179fb3e6cf37ccd42446a324d33d94d852fb Mon Sep 17 00:00:00 2001 From: pt3s6koz5 <2636355151@qq.com> Date: Mon, 22 Jan 2024 11:00:13 +0800 Subject: [PATCH 06/10] Update NoteItemData.java --- .../net/micode/notes/ui/NoteItemData.java | 108 ++++++++---------- 1 file changed, 49 insertions(+), 59 deletions(-) diff --git a/src/MiNotes-master/app/src/main/java/net/micode/notes/ui/NoteItemData.java b/src/MiNotes-master/app/src/main/java/net/micode/notes/ui/NoteItemData.java index 0f5a878..7b9be8d 100644 --- a/src/MiNotes-master/app/src/main/java/net/micode/notes/ui/NoteItemData.java +++ b/src/MiNotes-master/app/src/main/java/net/micode/notes/ui/NoteItemData.java @@ -1,31 +1,15 @@ -/* - * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - package net.micode.notes.ui; - + import android.content.Context; import android.database.Cursor; import android.text.TextUtils; - + import net.micode.notes.data.Contact; import net.micode.notes.data.Notes; import net.micode.notes.data.Notes.NoteColumns; import net.micode.notes.tool.DataUtils; - - + + public class NoteItemData { static final String [] PROJECTION = new String [] { NoteColumns.ID, @@ -41,7 +25,7 @@ public class NoteItemData { NoteColumns.WIDGET_ID, NoteColumns.WIDGET_TYPE, }; - + //常量标记和数据就不一一标记了，意义翻译基本就知道 private static final int ID_COLUMN = 0; private static final int ALERTED_DATE_COLUMN = 1; private static final int BG_COLOR_ID_COLUMN = 2; @@ -54,7 +38,7 @@ public class NoteItemData { private static final int TYPE_COLUMN = 9; private static final int WIDGET_ID_COLUMN = 10; private static final int WIDGET_TYPE_COLUMN = 11; - + private long mId; private long mAlertDate; private int mBgColorId; @@ -69,14 +53,15 @@ public class NoteItemData { private int mWidgetType; private String mName; private String mPhoneNumber; - + private boolean mIsLastItem; private boolean mIsFirstItem; private boolean mIsOnlyOneItem; private boolean mIsOneNoteFollowingFolder; private boolean mIsMultiNotesFollowingFolder; - - public NoteItemData(Context context, Cursor cursor) { + //初始化NoteItemData，主要利用光标cursor获取的东西 + public NoteItemData(Context context, Cursor cursor) { + //getxxx为转换格式 mId = cursor.getLong(ID_COLUMN); mAlertDate = cursor.getLong(ALERTED_DATE_COLUMN); mBgColorId = cursor.getInt(BG_COLOR_ID_COLUMN); @@ -91,134 +76,139 @@ public class NoteItemData { mType = cursor.getInt(TYPE_COLUMN); mWidgetId = cursor.getInt(WIDGET_ID_COLUMN); mWidgetType = cursor.getInt(WIDGET_TYPE_COLUMN); - + + //初始化电话号码的信息 mPhoneNumber = ""; if (mParentId == Notes.ID_CALL_RECORD_FOLDER) { mPhoneNumber = DataUtils.getCallNumberByNoteId(context.getContentResolver(), mId); - if (!TextUtils.isEmpty(mPhoneNumber)) { + if (!TextUtils.isEmpty(mPhoneNumber)) {//mphonenumber里有符合字符串，则用contart功能连接 mName = Contact.getContact(context, mPhoneNumber); if (mName == null) { mName = mPhoneNumber; } } } - + if (mName == null) { mName = ""; } checkPostion(cursor); } - + ///根据鼠标的位置设置标记，和位置 private void checkPostion(Cursor cursor) { + //初始化几个标记，cursor具体功能笔记中已提到，不一一叙述 mIsLastItem = cursor.isLast() ? true : false; mIsFirstItem = cursor.isFirst() ? true : false; mIsOnlyOneItem = (cursor.getCount() == 1); + //初始化“多重子文件”“单一子文件”2个标记 mIsMultiNotesFollowingFolder = false; mIsOneNoteFollowingFolder = false; - - if (mType == Notes.TYPE_NOTE && !mIsFirstItem) { + + //主要是设置上诉2标记 + if (mType == Notes.TYPE_NOTE && !mIsFirstItem) {//若是note格式并且不是第一个元素 int position = cursor.getPosition(); - if (cursor.moveToPrevious()) { + if (cursor.moveToPrevious()) {//获取光标位置后看上一行 if (cursor.getInt(TYPE_COLUMN) == Notes.TYPE_FOLDER - || cursor.getInt(TYPE_COLUMN) == Notes.TYPE_SYSTEM) { + || cursor.getInt(TYPE_COLUMN) == Notes.TYPE_SYSTEM) {//若光标满足系统或note格式 if (cursor.getCount() > (position + 1)) { - mIsMultiNotesFollowingFolder = true; + mIsMultiNotesFollowingFolder = true;//若是数据行数大于但前位置+1则设置成正确 } else { - mIsOneNoteFollowingFolder = true; + mIsOneNoteFollowingFolder = true;//否则单一文件夹标记为true } } - if (!cursor.moveToNext()) { + if (!cursor.moveToNext()) {//若不能再往下走则报错 throw new IllegalStateException("cursor move to previous but can't move back"); } } } } - +///以下都是获取标记没什么好说的，不过倒数第二个需要说明下，很具体看下面 public boolean isOneFollowingFolder() { return mIsOneNoteFollowingFolder; } - + public boolean isMultiFollowingFolder() { return mIsMultiNotesFollowingFolder; } - + public boolean isLast() { return mIsLastItem; } - + public String getCallName() { return mName; } - + public boolean isFirst() { return mIsFirstItem; } - + public boolean isSingle() { return mIsOnlyOneItem; } - + public long getId() { return mId; } - + public long getAlertDate() { return mAlertDate; } - + public long getCreatedDate() { return mCreatedDate; } - + public boolean hasAttachment() { return mHasAttachment; } - + public long getModifiedDate() { return mModifiedDate; } - + public int getBgColorId() { return mBgColorId; } - + public long getParentId() { return mParentId; } - + public int getNotesCount() { return mNotesCount; } - + public long getFolderId () { return mParentId; } - + public int getType() { return mType; } - + public int getWidgetType() { return mWidgetType; } - + public int getWidgetId() { return mWidgetId; } - + public String getSnippet() { return mSnippet; } - + public boolean hasAlert() { return (mAlertDate > 0); } - + + //若数据父id为保存至文件夹模式的id且满足电话号码单元不为空，则isCallRecord为true public boolean isCallRecord() { return (mParentId == Notes.ID_CALL_RECORD_FOLDER && !TextUtils.isEmpty(mPhoneNumber)); } - + public static int getNoteType(Cursor cursor) { return cursor.getInt(TYPE_COLUMN); } -} +} \ No newline at end of file From ea6065294ff448b5d3156cd5ed3001f2f30b75fa Mon Sep 17 00:00:00 2001 From: pt3s6koz5 <2636355151@qq.com> Date: Mon, 22 Jan 2024 11:01:05 +0800 Subject: [PATCH 07/10] Update NotesListActivity.java --- .../micode/notes/ui/NotesListActivity.java | 352 +++++++++--------- 1 file changed, 181 insertions(+), 171 deletions(-) diff --git a/src/MiNotes-master/app/src/main/java/net/micode/notes/ui/NotesListActivity.java b/src/MiNotes-master/app/src/main/java/net/micode/notes/ui/NotesListActivity.java index 2fa42ce..1e6b10d 100644 --- a/src/MiNotes-master/app/src/main/java/net/micode/notes/ui/NotesListActivity.java +++ b/src/MiNotes-master/app/src/main/java/net/micode/notes/ui/NotesListActivity.java @@ -1,22 +1,5 @@ -/* - * 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.R.menu; + import android.app.Activity; import android.app.AlertDialog; import android.app.Dialog; @@ -60,6 +43,7 @@ import android.widget.ListView; import android.widget.PopupMenu; 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.NoteColumns; @@ -71,104 +55,118 @@ import net.micode.notes.tool.ResourceParser; import net.micode.notes.ui.NotesListAdapter.AppWidgetAttribute; import net.micode.notes.widget.NoteWidgetProvider_2x; import net.micode.notes.widget.NoteWidgetProvider_4x; - + import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.util.HashSet; - -public class NotesListActivity extends Activity implements OnClickListener, OnItemLongClickListener { +//主界面，一进入就是这个界面 +/** + * @author k + * + */ +public class NotesListActivity extends Activity implements OnClickListener, OnItemLongClickListener { //没有用特定的标签加注释。。。感觉没有什么用 private static final int FOLDER_NOTE_LIST_QUERY_TOKEN = 0; - + private static final int FOLDER_LIST_QUERY_TOKEN = 1; - + private static final int MENU_FOLDER_DELETE = 0; - + private static final int MENU_FOLDER_VIEW = 1; - + private static final int MENU_FOLDER_CHANGE_NAME = 2; - - private static final String PREFERENCE_ADD_INTRODUCTION = "net.micode.notes.introduction"; - + + private static final String PREFERENCE_ADD_INTRODUCTION = "net.micode.notes.introduction"; //单行超过80个字符 + private enum ListEditState { NOTE_LIST, SUB_FOLDER, CALL_RECORD_FOLDER }; - + private ListEditState mState; - + private BackgroundQueryHandler mBackgroundQueryHandler; - + private NotesListAdapter mNotesListAdapter; - + private ListView mNotesListView; - + private Button mAddNewNote; - private Button mMenuSet; - + private boolean mDispatch; - + private int mOriginY; - + private int mDispatchY; - + private TextView mTitleBar; - + private long mCurrentFolderId; - + private ContentResolver mContentResolver; - + private ModeCallback mModeCallBack; - + private static final String TAG = "NotesListActivity"; - + public static final int NOTES_LISTVIEW_SCROLL_RATE = 30; - + private NoteItemData mFocusNoteDataItem; - + private static final String NORMAL_SELECTION = NoteColumns.PARENT_ID + "=?"; - + private static final String ROOT_FOLDER_SELECTION = "(" + NoteColumns.TYPE + "<>" + Notes.TYPE_SYSTEM + " AND " + NoteColumns.PARENT_ID + "=?)" + " OR (" + NoteColumns.ID + "=" + Notes.ID_CALL_RECORD_FOLDER + " AND " + NoteColumns.NOTES_COUNT + ">0)"; - + private final static int REQUEST_CODE_OPEN_NODE = 102; private final static int REQUEST_CODE_NEW_NODE = 103; - + @Override - protected void onCreate(Bundle savedInstanceState) { - super.onCreate(savedInstanceState); + // 创建类 + protected void onCreate(final Bundle savedInstanceState) { //需要是final类型 根据程序上下文环境，Java关键字final有“这是无法改变的”或者“终态的”含义，它可以修饰非抽象类、非抽象类成员方法和变量。你可能出于两种理解而需要阻止改变：设计或效率。 + // final类不能被继承，没有子类，final类中的方法默认是final的。 + //final方法不能被子类的方法覆盖，但可以被继承。 + //final成员变量表示常量，只能被赋值一次，赋值后值不再改变。 + //final不能用于修饰构造方法。 + super.onCreate(savedInstanceState); // 调用父类的onCreate函数 setContentView(R.layout.note_list); initResources(); - + /** * Insert an introduction when user firstly use this application */ setAppInfoFromRawRes(); } - + @Override + // 返回一些子模块完成的数据交给主Activity处理 protected void onActivityResult(int requestCode, int resultCode, Intent data) { - if (resultCode == RESULT_OK + // 结果值 和 要求值 符合要求 + if (resultCode == RESULT_OK && (requestCode == REQUEST_CODE_OPEN_NODE || requestCode == REQUEST_CODE_NEW_NODE)) { mNotesListAdapter.changeCursor(null); } else { super.onActivityResult(requestCode, resultCode, data); + // 调用 Activity 的onActivityResult（） } } - + private void setAppInfoFromRawRes() { + // Android平台给我们提供了一个SharedPreferences类，它是一个轻量级的存储类，特别适合用于保存软件配置参数。 SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(this); if (!sp.getBoolean(PREFERENCE_ADD_INTRODUCTION, false)) { StringBuilder sb = new StringBuilder(); InputStream in = null; try { - in = getResources().openRawResource(R.raw.introduction); + // 把资源文件放到应用程序的/raw/raw下，那么就可以在应用中使用getResources获取资源后, + // 以openRawResource方法（不带后缀的资源文件名）打开这个文件。 + in = getResources().openRawResource(R.raw.introduction); if (in != null) { InputStreamReader isr = new InputStreamReader(in); BufferedReader br = new BufferedReader(isr); - char [] buf = new char[1024]; + char [] buf = new char[1024]; // 自行定义的数值，使用者不知道有什么意义 int len = 0; while ((len = br.read(buf)) > 0) { sb.append(buf, 0, len); @@ -181,7 +179,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt e.printStackTrace(); return; } finally { - if(in != null) { + if (in != null) { try { in.close(); } catch (IOException e) { @@ -190,12 +188,14 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt } } } - + + // 创建空的WorkingNote WorkingNote note = WorkingNote.createEmptyNote(this, Notes.ID_ROOT_FOLDER, AppWidgetManager.INVALID_APPWIDGET_ID, Notes.TYPE_WIDGET_INVALIDE, ResourceParser.RED); note.setWorkingText(sb.toString()); if (note.saveNote()) { + // 更新保存note的信息 sp.edit().putBoolean(PREFERENCE_ADD_INTRODUCTION, true).commit(); } else { Log.e(TAG, "Save introduction note error"); @@ -203,28 +203,30 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt } } } - + @Override protected void onStart() { super.onStart(); startAsyncNotesListQuery(); } - + + // 初始化资源 private void initResources() { - mContentResolver = this.getContentResolver(); + mContentResolver = this.getContentResolver(); // 获取应用程序的数据，得到类似数据表的东西 mBackgroundQueryHandler = new BackgroundQueryHandler(this.getContentResolver()); mCurrentFolderId = Notes.ID_ROOT_FOLDER; - mNotesListView = (ListView) findViewById(R.id.notes_list); + + // findViewById 是安卓编程的定位函数，主要是引用.R文件里的引用名 + mNotesListView = (ListView) findViewById(R.id.notes_list); // 绑定XML中的ListView，作为Item的容器 mNotesListView.addFooterView(LayoutInflater.from(this).inflate(R.layout.note_list_footer, null), null, false); mNotesListView.setOnItemClickListener(new OnListItemClickListener()); mNotesListView.setOnItemLongClickListener(this); mNotesListAdapter = new NotesListAdapter(this); mNotesListView.setAdapter(mNotesListAdapter); - mAddNewNote = (Button) findViewById(R.id.btn_new_note); + mAddNewNote = (Button) findViewById(R.id.btn_new_note);// 在activity中要获取该按钮 mAddNewNote.setOnClickListener(this); mAddNewNote.setOnTouchListener(new NewNoteOnTouchListener()); - mMenuSet = (Button) findViewById(R.id.btn_set); mDispatch = false; mDispatchY = 0; mOriginY = 0; @@ -232,16 +234,15 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt mState = ListEditState.NOTE_LIST; mModeCallBack = new ModeCallback(); } - + + // 继承自ListView.MultiChoiceModeListener 和 OnMenuItemClickListener private class ModeCallback implements ListView.MultiChoiceModeListener, OnMenuItemClickListener { private DropdownMenu mDropDownMenu; private ActionMode mActionMode; - private Menu menu; private MenuItem mMoveMenu; - + public boolean onCreateActionMode(ActionMode mode, Menu menu) { getMenuInflater().inflate(R.menu.note_list_options, menu); - this.menu = menu; menu.findItem(R.id.delete).setOnMenuItemClickListener(this); mMoveMenu = menu.findItem(R.id.move); if (mFocusNoteDataItem.getParentId() == Notes.ID_CALL_RECORD_FOLDER @@ -255,8 +256,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt mNotesListAdapter.setChoiceMode(true); mNotesListView.setLongClickable(false); mAddNewNote.setVisibility(View.GONE); - mMenuSet.setVisibility(View.GONE); - + View customView = LayoutInflater.from(NotesListActivity.this).inflate( R.layout.note_list_dropdown_menu, null); mode.setCustomView(customView); @@ -264,21 +264,22 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt (Button) customView.findViewById(R.id.selection_menu), R.menu.note_list_dropdown); mDropDownMenu.setOnDropdownMenuItemClickListener(new PopupMenu.OnMenuItemClickListener(){ - public boolean onMenuItemClick(MenuItem item) { + public boolean onMenuItemClick(final MenuItem item) { mNotesListAdapter.selectAll(!mNotesListAdapter.isAllSelected()); updateMenu(); return true; } - + }); return true; } - + + // 更新菜单 private void updateMenu() { int selectedCount = mNotesListAdapter.getSelectedCount(); // Update dropdown menu String format = getResources().getString(R.string.menu_select_title, selectedCount); - mDropDownMenu.setTitle(format); + mDropDownMenu.setTitle(format); // 更改标题 MenuItem item = mDropDownMenu.findItem(R.id.action_select_all); if (item != null) { if (mNotesListAdapter.isAllSelected()) { @@ -290,63 +291,40 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt } } } - + public boolean onPrepareActionMode(ActionMode mode, Menu menu) { // TODO Auto-generated method stub return false; } - + public boolean onActionItemClicked(ActionMode mode, MenuItem item) { // TODO Auto-generated method stub return false; } - + public void onDestroyActionMode(ActionMode mode) { mNotesListAdapter.setChoiceMode(false); - mNotesListView.clearChoices(); - mNotesListView.setItemChecked(0,true); - mNotesListView.setItemChecked(0,false); - mNotesListView.setLongClickable(true); - System.out.println("-----------------onDestroyActionMode------------------"); - mNotesListAdapter.notifyDataSetChanged(); -// closeOptionsMenu(); -// mNotesListView.invalidate(); mAddNewNote.setVisibility(View.VISIBLE); - mMenuSet.setVisibility(View.VISIBLE); - - - -// mNotesListView.setChoiceMode(ListView.CHOICE_MODE_NONE); - -// menu.clear(); -// menu.close(); } - - - + public void finishActionMode() { mActionMode.finish(); - mActionMode = null; - mNotesListAdapter.setChoiceMode(false); - mNotesListView.setLongClickable(true); } - - - + public void onItemCheckedStateChanged(ActionMode mode, int position, long id, boolean checked) { mNotesListAdapter.setCheckedItem(position, checked); updateMenu(); } - + public boolean onMenuItemClick(MenuItem item) { if (mNotesListAdapter.getSelectedCount() == 0) { Toast.makeText(NotesListActivity.this, getString(R.string.menu_select_none), Toast.LENGTH_SHORT).show(); return true; } - + switch (item.getItemId()) { case R.id.delete: AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this); @@ -373,10 +351,9 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt return true; } } - - + private class NewNoteOnTouchListener implements OnTouchListener { - + public boolean onTouch(View v, MotionEvent event) { switch (event.getAction()) { case MotionEvent.ACTION_DOWN: { @@ -395,7 +372,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt /** * HACKME:When click the transparent part of "New Note" button, dispatch * the event to the list view behind this button. The transparent part of - * "New Note" button could be expressed by formula y=-0.12x+94（Unit:pixel） + * "New Note" button could be expressed by formula y=-0.12x+94锛圲nit:pixel锛� * and the line top of the button. The coordinate based on left of the "New * Note" button. The 94 represents maximum height of the transparent part. * Notice that, if the background of the button changes, the formula should @@ -434,9 +411,9 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt } return false; } - + }; - + private void startAsyncNotesListQuery() { String selection = (mCurrentFolderId == Notes.ID_ROOT_FOLDER) ? ROOT_FOLDER_SELECTION : NORMAL_SELECTION; @@ -445,12 +422,12 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt 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) { @@ -469,13 +446,13 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt } } } - + private void showFolderListMenu(Cursor cursor) { AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this); builder.setTitle(R.string.menu_title_select_folder); final FoldersListAdapter adapter = new FoldersListAdapter(this, cursor); builder.setAdapter(adapter, new DialogInterface.OnClickListener() { - + public void onClick(DialogInterface dialog, int which) { DataUtils.batchMoveToFolder(mContentResolver, mNotesListAdapter.getSelectedItemIds(), adapter.getItemId(which)); @@ -490,14 +467,14 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt }); builder.show(); } - + private void createNewNote() { Intent intent = new Intent(this, NoteEditActivity.class); intent.setAction(Intent.ACTION_INSERT_OR_EDIT); intent.putExtra(Notes.INTENT_EXTRA_FOLDER_ID, mCurrentFolderId); this.startActivityForResult(intent, REQUEST_CODE_NEW_NODE); } - + private void batchDelete() { new AsyncTask>() { protected HashSet doInBackground(Void... unused) { @@ -519,7 +496,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt } return widgets; } - + @Override protected void onPostExecute(HashSet widgets) { if (widgets != null) { @@ -534,13 +511,13 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt } }.execute(); } - + private void deleteFolder(long folderId) { if (folderId == Notes.ID_ROOT_FOLDER) { Log.e(TAG, "Wrong folder id, should not happen " + folderId); return; } - + HashSet ids = new HashSet(); ids.add(folderId); HashSet widgets = DataUtils.getFolderNoteWidget(mContentResolver, @@ -561,21 +538,20 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt } } } - + private void openNode(NoteItemData data) { Intent intent = new Intent(this, NoteEditActivity.class); intent.setAction(Intent.ACTION_VIEW); intent.putExtra(Intent.EXTRA_UID, data.getId()); this.startActivityForResult(intent, REQUEST_CODE_OPEN_NODE); } - + private void openFolder(NoteItemData data) { mCurrentFolderId = data.getId(); startAsyncNotesListQuery(); if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) { mState = ListEditState.CALL_RECORD_FOLDER; mAddNewNote.setVisibility(View.GONE); - mMenuSet.setVisibility(View.GONE); } else { mState = ListEditState.SUB_FOLDER; } @@ -586,7 +562,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt } mTitleBar.setVisibility(View.VISIBLE); } - + public void onClick(View v) { switch (v.getId()) { case R.id.btn_new_note: @@ -596,19 +572,19 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt break; } } - + private void showSoftInput() { InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE); if (inputMethodManager != null) { inputMethodManager.toggleSoftInput(InputMethodManager.SHOW_FORCED, 0); } } - + private void hideSoftInput(View view) { InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE); inputMethodManager.hideSoftInputFromWindow(view.getWindowToken(), 0); } - + 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); @@ -626,14 +602,14 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt etName.setText(""); builder.setTitle(this.getString(R.string.menu_create_folder)); } - + builder.setPositiveButton(android.R.string.ok, null); builder.setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { hideSoftInput(etName); } }); - + final Dialog dialog = builder.setView(view).show(); final Button positive = (Button)dialog.findViewById(android.R.id.button1); positive.setOnClickListener(new OnClickListener() { @@ -666,7 +642,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt dialog.dismiss(); } }); - + if (TextUtils.isEmpty(etName.getText())) { positive.setEnabled(false); } @@ -676,9 +652,9 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt etName.addTextChangedListener(new TextWatcher() { public void beforeTextChanged(CharSequence s, int start, int count, int after) { // TODO Auto-generated method stub - + } - + public void onTextChanged(CharSequence s, int start, int before, int count) { if (TextUtils.isEmpty(etName.getText())) { positive.setEnabled(false); @@ -686,19 +662,20 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt positive.setEnabled(true); } } - + public void afterTextChanged(Editable s) { // TODO Auto-generated method stub - + } }); } - + + /* (non-Javadoc) + * @see android.app.Activity#onBackPressed() + * 按返回键时根据情况更改类中的数据 + */ @Override - public void onBackPressed() { - - System.out.println("-------onBackPressed---00000"); - switch (mState) { + public void onBackPressed() { switch (mState) { case SUB_FOLDER: mCurrentFolderId = Notes.ID_ROOT_FOLDER; mState = ListEditState.NOTE_LIST; @@ -709,19 +686,22 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt mCurrentFolderId = Notes.ID_ROOT_FOLDER; mState = ListEditState.NOTE_LIST; mAddNewNote.setVisibility(View.VISIBLE); - mMenuSet.setVisibility(View.VISIBLE); mTitleBar.setVisibility(View.GONE); startAsyncNotesListQuery(); break; case NOTE_LIST: - System.out.println("-------onBackPressed---"); super.onBackPressed(); break; default: break; } } - + + /** + * @param appWidgetId + * @param appWidgetType + * 根据不同类型的widget更新插件，通过intent传送数据 + */ private void updateWidget(int appWidgetId, int appWidgetType) { Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE); if (appWidgetType == Notes.TYPE_WIDGET_2X) { @@ -732,15 +712,18 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt Log.e(TAG, "Unspported widget type"); return; } - + intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, new int[] { appWidgetId }); - + sendBroadcast(intent); setResult(RESULT_OK, intent); } - + + /** + * 声明监听器，建立菜单，包括名称，视图，删除操作，更改名称操作； + */ private final OnCreateContextMenuListener mFolderOnCreateContextMenuListener = new OnCreateContextMenuListener() { public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) { if (mFocusNoteDataItem != null) { @@ -751,7 +734,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt } } }; - + @Override public void onContextMenuClosed(Menu menu) { if (mNotesListView != null) { @@ -759,7 +742,11 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt } super.onContextMenuClosed(menu); } - + + /* (non-Javadoc) + * @see android.app.Activity#onContextItemSelected(android.view.MenuItem) + * 针对menu中不同的选择进行不同的处理，里面详细注释 + */ @Override public boolean onContextItemSelected(MenuItem item) { if (mFocusNoteDataItem == null) { @@ -768,10 +755,10 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt } switch (item.getItemId()) { case MENU_FOLDER_VIEW: - openFolder(mFocusNoteDataItem); + openFolder(mFocusNoteDataItem);//打开对应文件 break; case MENU_FOLDER_DELETE: - AlertDialog.Builder builder = new AlertDialog.Builder(this); + AlertDialog.Builder builder = new AlertDialog.Builder(this);//设置确认是否删除的对话框 builder.setTitle(getString(R.string.alert_title_delete)); builder.setIcon(android.R.drawable.ic_dialog_alert); builder.setMessage(getString(R.string.alert_message_delete_folder)); @@ -782,7 +769,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt } }); builder.setNegativeButton(android.R.string.cancel, null); - builder.show(); + builder.show();//显示对话框 break; case MENU_FOLDER_CHANGE_NAME: showCreateOrModifyFolderDialog(false); @@ -790,10 +777,10 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt default: break; } - + return true; } - + @Override public boolean onPrepareOptionsMenu(Menu menu) { menu.clear(); @@ -811,7 +798,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt } return true; } - + @Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { @@ -851,22 +838,29 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt } return true; } - + + /* (non-Javadoc) + * @see android.app.Activity#onSearchRequested() + * 直接调用startSearch函数 + */ @Override public boolean onSearchRequested() { startSearch(null, false, null /* appData */, false); return true; } - + + /** + * 函数功能：实现将便签导出到文本功能 + */ private void exportNoteToText() { final BackupUtils backup = BackupUtils.getInstance(NotesListActivity.this); new AsyncTask() { - + @Override protected Integer doInBackground(Void... unused) { return backup.exportToText(); } - + @Override protected void onPostExecute(Integer result) { if (result == BackupUtils.STATE_SD_CARD_UNMOUONTED) { @@ -896,22 +890,33 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt builder.show(); } } - + }.execute(); } - + + /** + * @return + * 功能：判断是否正在同步 + */ private boolean isSyncMode() { return NotesPreferenceActivity.getSyncAccountName(this).trim().length() > 0; } - + + /** + * 功能：跳转到PreferenceActivity界面 + */ private void startPreferenceActivity() { Activity from = getParent() != null ? getParent() : this; Intent intent = new Intent(from, NotesPreferenceActivity.class); from.startActivityIfNeeded(intent, -1); } - + + /** + * @author k + * 函数功能：实现对便签列表项的点击事件（短按） + */ private class OnListItemClickListener implements OnItemClickListener { - + public void onItemClick(AdapterView parent, View view, int position, long id) { if (view instanceof NotesListItem) { NoteItemData item = ((NotesListItem) view).getItemData(); @@ -923,7 +928,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt } return; } - + switch (mState) { case NOTE_LIST: if (item.getType() == Notes.TYPE_FOLDER @@ -948,14 +953,17 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt } } } - + } - + + /** + * 查询目标文件 + */ private void startQueryDestinationFolders() { String selection = NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>? AND " + NoteColumns.ID + "<>?"; selection = (mState == ListEditState.NOTE_LIST) ? selection: "(" + selection + ") OR (" + NoteColumns.ID + "=" + Notes.ID_ROOT_FOLDER + ")"; - + mBackgroundQueryHandler.startQuery(FOLDER_LIST_QUERY_TOKEN, null, Notes.CONTENT_NOTE_URI, @@ -968,7 +976,13 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt }, NoteColumns.MODIFIED_DATE + " DESC"); } - + + /* (non-Javadoc) + * @see android.widget.AdapterView.OnItemLongClickListener#onItemLongClick(android.widget.AdapterView, android.view.View, int, long) + * 长按某一项时进行的操作 + * 如果长按的是便签，则通过ActionMode菜单实现；如果长按的是文件夹，则通过ContextMenu菜单实现； + * 具体ActionMOde菜单和ContextMenu菜单的详细见精度笔记 + */ public boolean onItemLongClick(AdapterView parent, View view, int position, long id) { if (view instanceof NotesListItem) { mFocusNoteDataItem = ((NotesListItem) view).getItemData(); @@ -985,8 +999,4 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt } return false; } - - public void OnOpenMenu(View view) { - openOptionsMenu(); - } -} +} \ No newline at end of file From 5b53e50339ae92d3fb9c65c483dfa7356a977922 Mon Sep 17 00:00:00 2001 From: pt3s6koz5 <2636355151@qq.com> Date: Mon, 22 Jan 2024 11:03:06 +0800 Subject: [PATCH 08/10] Update NotesListAdapter.java --- .../net/micode/notes/ui/NotesListAdapter.java | 163 +++++++++++++----- 1 file changed, 118 insertions(+), 45 deletions(-) diff --git a/src/MiNotes-master/app/src/main/java/net/micode/notes/ui/NotesListAdapter.java b/src/MiNotes-master/app/src/main/java/net/micode/notes/ui/NotesListAdapter.java index 51c9cb9..ea7f9f9 100644 --- a/src/MiNotes-master/app/src/main/java/net/micode/notes/ui/NotesListAdapter.java +++ b/src/MiNotes-master/app/src/main/java/net/micode/notes/ui/NotesListAdapter.java @@ -1,85 +1,109 @@ -/* - * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - package net.micode.notes.ui; - + import android.content.Context; import android.database.Cursor; import android.util.Log; -import android.view.View; +import android.view.View; import android.view.ViewGroup; import android.widget.CursorAdapter; - + + import net.micode.notes.data.Notes; - + import java.util.Collection; 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; private HashMap mSelectedIndex; - private int mNotesCount; - private boolean mChoiceMode; - + private int mNotesCount; //便签数 + private boolean mChoiceMode; //选择模式标记 + + /* + * 桌面widget的属性，包括编号和类型 + */ public static class AppWidgetAttribute { public int widgetId; public int widgetType; }; - + + /* + * 函数功能：初始化便签链接器 + * 函数实现：根据传进来的内容设置相关变量 + */ public NotesListAdapter(Context context) { - super(context, null); - mSelectedIndex = new HashMap(); + super(context, null); //父类对象置空 + mSelectedIndex = new HashMap(); //新建选项下标的hash表 mContext = context; mNotesCount = 0; } - + @Override + /* + * 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 + */ 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 } } - + + /* + * 函数功能：设置勾选框 + * 函数实现：如下注释 + */ public void setCheckedItem(final int position, final boolean checked) { mSelectedIndex.put(position, checked); + //根据定位和是否勾选设置下标 notifyDataSetChanged(); + //在修改后刷新activity } - + + /* + * 函数功能：判断单选按钮是否勾选 + */ public boolean isInChoiceMode() { return mChoiceMode; } - + + /* + * 函数功能：设置单项选项框 + * 函数实现：重置下标并且根据参数mode设置选项 + */ public void setChoiceMode(boolean mode) { mSelectedIndex.clear(); mChoiceMode = mode; } - + + /* + * 函数功能：选择全部选项 + * 函数实现：如下注释 + */ public void selectAll(boolean checked) { Cursor cursor = getCursor(); + //获取光标位置 for (int i = 0; i < getCount(); i++) { if (cursor.moveToPosition(i)) { if (NoteItemData.getNoteType(cursor) == Notes.TYPE_NOTE) { @@ -87,30 +111,47 @@ 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 getSelectedItemIds() { HashSet itemSet = new HashSet(); + //建立hash表 for (Integer position : mSelectedIndex.keySet()) { + //遍历所有的关键 if (mSelectedIndex.get(position) == true) { + //若光标位置可用 Long id = getItemId(position); if (id == Notes.ID_ROOT_FOLDER) { + //原文件不需要添加 Log.d(TAG, "Wrong item id, should not happen"); } else { itemSet.add(id); } + //则将id该下标假如选项集合中 + } } - + 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 getSelectedWidget() { HashSet itemSet = new HashSet(); for (Integer position : mSelectedIndex.keySet()) { if (mSelectedIndex.get(position) == true) { Cursor c = (Cursor) getItem(position); + //以上4句和getSelectedItemIds一样，不再重复 if (c != null) { + //光标位置可用的话就建立新的Widget属性并编辑下标和类型，最后添加到选项集中 AppWidgetAttribute widget = new AppWidgetAttribute(); NoteItemData item = new NoteItemData(mContext, c); widget.widgetId = item.getWidgetId(); @@ -127,58 +168,90 @@ 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 values = mSelectedIndex.values(); + //首先获取选项下标的值 if (null == values) { return 0; } Iterator iter = values.iterator(); + //初始化叠加器 int count = 0; while (iter.hasNext()) { if (true == iter.next()) { + //若value值为真计数+1 count++; } } 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); + //获取选项数看是否等于便签的个数 } - + + /* + * 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; } return mSelectedIndex.get(position); } - + @Override + /* + * 函数功能：在activity内容发生局部变动的时候回调该函数计算便签的数量 + * 函数实现：如下注释 + */ protected void onContentChanged() { super.onContentChanged(); + //执行基类函数 calcNotesCount(); } - + @Override + /* + * 函数功能：在activity光标发生局部变动的时候回调该函数计算便签的数量 + */ public void changeCursor(Cursor cursor) { super.changeCursor(cursor); + //执行基类函数 calcNotesCount(); } - + + /* + * 函数功能：计算便签数量 + * + */ private void calcNotesCount() { mNotesCount = 0; for (int i = 0; i < getCount(); i++) { + //获取总数同时遍历 Cursor c = (Cursor) getItem(i); if (c != null) { if (NoteItemData.getNoteType(c) == Notes.TYPE_NOTE) { mNotesCount++; + //若该位置不为空并且文本类型为便签就+1 } } else { Log.e(TAG, "Invalid cursor"); return; } + //否则报错 } - } -} + } +} \ No newline at end of file From f2085d572fd8e851fb93200dbb551f4fcbd47bb3 Mon Sep 17 00:00:00 2001 From: pt3s6koz5 <2636355151@qq.com> Date: Mon, 22 Jan 2024 11:03:51 +0800 Subject: [PATCH 09/10] Update NotesListItem.java --- .../net/micode/notes/ui/NotesListItem.java | 80 +++++++++---------- 1 file changed, 37 insertions(+), 43 deletions(-) diff --git a/src/MiNotes-master/app/src/main/java/net/micode/notes/ui/NotesListItem.java b/src/MiNotes-master/app/src/main/java/net/micode/notes/ui/NotesListItem.java index 1221e80..08a8017 100644 --- a/src/MiNotes-master/app/src/main/java/net/micode/notes/ui/NotesListItem.java +++ b/src/MiNotes-master/app/src/main/java/net/micode/notes/ui/NotesListItem.java @@ -1,21 +1,5 @@ -/* - * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - package net.micode.notes.ui; - + import android.content.Context; import android.text.format.DateUtils; import android.view.View; @@ -23,44 +7,50 @@ import android.widget.CheckBox; import android.widget.ImageView; import android.widget.LinearLayout; import android.widget.TextView; - + import net.micode.notes.R; import net.micode.notes.data.Notes; import net.micode.notes.tool.DataUtils; import net.micode.notes.tool.ResourceParser.NoteItemBgResources; - - + + +//创建便签列表项目选项 public class NotesListItem extends LinearLayout { - private ImageView mAlert; - private TextView mTitle; - private TextView mTime; - private TextView mCallName; - private NoteItemData mItemData; - private CheckBox mCheckBox; - + private ImageView mAlert;//闹钟图片 + private TextView mTitle; //标题 + private TextView mTime; //时间 + private TextView mCallName; // + private NoteItemData mItemData; //标签数据 + private CheckBox mCheckBox; //打钩框 + + /*初始化基本信息*/ public NotesListItem(Context context) { - super(context); - inflate(context, R.layout.note_item, this); + super(context); //super()它的主要作用是调整调用父类构造函数的顺序 + inflate(context, R.layout.note_item, this);//Inflate可用于将一个xml中定义的布局控件找出来,这里的xml是r。layout + //findViewById用于从contentView中查找指定ID的View，转换出来的形式根据需要而定; mAlert = (ImageView) findViewById(R.id.iv_alert_icon); mTitle = (TextView) findViewById(R.id.tv_title); mTime = (TextView) findViewById(R.id.tv_time); mCallName = (TextView) findViewById(R.id.tv_name); mCheckBox = (CheckBox) findViewById(android.R.id.checkbox); } - + ///根据data的属性对各个控件的属性的控制，主要是可见性Visibility，内容setText，格式setTextAppearance public void bind(Context context, NoteItemData data, boolean choiceMode, boolean checked) { if (choiceMode && data.getType() == Notes.TYPE_NOTE) { - mCheckBox.setVisibility(View.VISIBLE); - mCheckBox.setChecked(checked); + mCheckBox.setVisibility(View.VISIBLE); ///设置可见行为可见 + mCheckBox.setChecked(checked); ///格子打钩 } else { mCheckBox.setVisibility(View.GONE); } - + mItemData = data; + ///设置控件属性，一共三种情况，由data的id和父id是否与保存到文件夹的id一致来决定 if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) { mCallName.setVisibility(View.GONE); mAlert.setVisibility(View.VISIBLE); + //设置该textview的style mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem); + //settext为设置内容 mTitle.setText(context.getString(R.string.call_record_folder_name) + context.getString(R.string.format_folder_files_count, data.getNotesCount())); mAlert.setImageResource(R.drawable.call_record); @@ -69,8 +59,9 @@ public class NotesListItem extends LinearLayout { mCallName.setText(data.getCallName()); mTitle.setTextAppearance(context,R.style.TextAppearanceSecondaryItem); mTitle.setText(DataUtils.getFormattedSnippet(data.getSnippet())); + ///关于闹钟的设置 if (data.hasAlert()) { - mAlert.setImageResource(R.drawable.clock); + mAlert.setImageResource(R.drawable.clock);//图片来源的设置 mAlert.setVisibility(View.VISIBLE); } else { mAlert.setVisibility(View.GONE); @@ -78,7 +69,7 @@ public class NotesListItem extends LinearLayout { } else { mCallName.setVisibility(View.GONE); mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem); - + ///设置title格式 if (data.getType() == Notes.TYPE_FOLDER) { mTitle.setText(data.getSnippet() + context.getString(R.string.format_folder_files_count, @@ -87,36 +78,39 @@ public class NotesListItem extends LinearLayout { } else { mTitle.setText(DataUtils.getFormattedSnippet(data.getSnippet())); if (data.hasAlert()) { - mAlert.setImageResource(R.drawable.clock); + mAlert.setImageResource(R.drawable.clock);///设置图片来源 mAlert.setVisibility(View.VISIBLE); } else { mAlert.setVisibility(View.GONE); } } } - mTime.setText(DateUtils.getRelativeTimeSpanString(data.getModifiedDate())); - + ///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(); + //，若是note型文件，则4种情况，对于4种不同情况的背景来源 if (data.getType() == Notes.TYPE_NOTE) { + //单个数据并且只有一个子文件夹 if (data.isSingle() || data.isOneFollowingFolder()) { setBackgroundResource(NoteItemBgResources.getNoteBgSingleRes(id)); - } else if (data.isLast()) { + } else if (data.isLast()) {//是最后一个数据 setBackgroundResource(NoteItemBgResources.getNoteBgLastRes(id)); - } else if (data.isFirst() || data.isMultiFollowingFolder()) { + } else if (data.isFirst() || data.isMultiFollowingFolder()) {//是一个数据并有多个子文件夹 setBackgroundResource(NoteItemBgResources.getNoteBgFirstRes(id)); } else { setBackgroundResource(NoteItemBgResources.getNoteBgNormalRes(id)); } } else { + //若不是note直接调用文件夹的背景来源 setBackgroundResource(NoteItemBgResources.getFolderBgRes()); } } - public NoteItemData getItemData() { return mItemData; } -} +} \ No newline at end of file From 6f125fffd002d66606c7fb95728ba82ee14df288 Mon Sep 17 00:00:00 2001 From: pt3s6koz5 <2636355151@qq.com> Date: Mon, 22 Jan 2024 11:04:42 +0800 Subject: [PATCH 10/10] Update NotesPreferenceActivity.java --- .../notes/ui/NotesPreferenceActivity.java | 270 +++++++++++++----- 1 file changed, 198 insertions(+), 72 deletions(-) diff --git a/src/MiNotes-master/app/src/main/java/net/micode/notes/ui/NotesPreferenceActivity.java b/src/MiNotes-master/app/src/main/java/net/micode/notes/ui/NotesPreferenceActivity.java index 07c5f7e..4ae4976 100644 --- a/src/MiNotes-master/app/src/main/java/net/micode/notes/ui/NotesPreferenceActivity.java +++ b/src/MiNotes-master/app/src/main/java/net/micode/notes/ui/NotesPreferenceActivity.java @@ -1,21 +1,5 @@ -/* - * 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.accounts.Account; import android.accounts.AccountManager; import android.app.ActionBar; @@ -41,108 +25,151 @@ import android.view.View; import android.widget.Button; 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.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"; - + //优先名 public static final String PREFERENCE_SYNC_ACCOUNT_NAME = "pref_key_account_name"; - + //同步账号 public static final String PREFERENCE_LAST_SYNC_TIME = "pref_last_sync_time"; - + //同步时间 public static final String PREFERENCE_SET_BG_COLOR_KEY = "pref_key_bg_random_appear"; - + private static final String PREFERENCE_SYNC_ACCOUNT_KEY = "pref_sync_account_key"; - + //同步密码 private static final String AUTHORITIES_FILTER_KEY = "authorities"; - + //本地密码 private PreferenceCategory mAccountCategory; - + //账户分组 private GTaskReceiver mReceiver; - + //同步任务接收器 private Account[] mOriAccounts; - + //账户 private boolean mHasAddedAccount; - + //账户的hash标记 + @Override + /* + *函数功能：创建一个activity，在函数里要完成所有的正常静态设置 + *参数：Bundle icicle：存放了 activity 当前的状态 + *函数实现：如下注释 + */ protected void onCreate(Bundle icicle) { + //先执行父类的创建函数 super.onCreate(icicle); - + /* using the app icon for navigation */ getActionBar().setDisplayHomeAsUpEnabled(true); - + //给左上角图标的左边加上一个返回的图标 + addPreferencesFromResource(R.xml.preferences); + //添加xml来源并显示 xml 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); registerReceiver(mReceiver, filter); - + //初始化同步组件 + mOriAccounts = null; View header = LayoutInflater.from(this).inflate(R.layout.settings_header, null); + //获取listvivew，ListView的作用:用于列出所有选择 getListView().addHeaderView(header, null, true); + //在listview组件上方添加其他组件 } - + @Override + /* + * 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 + */ 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(); + //获取google同步账户 if (mOriAccounts != null && accounts.length > mOriAccounts.length) { - for (Account accountNew : accounts) { + //若原账户不为空且当前账户有增加 + for (Account accountNew : accounts) { boolean found = false; for (Account accountOld : mOriAccounts) { if (TextUtils.equals(accountOld.name, accountNew.name)) { + //更新账户 found = true; break; } } if (!found) { setSyncAccount(accountNew.name); + //若是没有找到旧的账户，那么同步账号中就只添加新账户 break; } } } } - + refreshUI(); + //刷新标签界面 } - + @Override + /* + * 函数功能：销毁一个activity + * 函数实现：如下注释 + */ protected void onDestroy() { if (mReceiver != null) { unregisterReceiver(mReceiver); + //注销接收器 } super.onDestroy(); + //执行父类的销毁动作 } - + + /* + * 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(); - + //销毁所有的分组 Preference accountPref = new Preference(this); + //建立首选项 final String defaultAccount = getSyncAccountName(this); accountPref.setTitle(getString(R.string.preferences_account_title)); accountPref.setSummary(getString(R.string.preferences_account_summary)); + //设置首选项的大标题和小标题 accountPref.setOnPreferenceClickListener(new OnPreferenceClickListener() { public boolean onPreferenceClick(Preference preference) { + //建立监听器 if (!GTaskSyncService.isSyncing()) { if (TextUtils.isEmpty(defaultAccount)) { // the first time to set account + //若是第一次建立账户显示选择账户提示对话框 showSelectAccountAlertDialog(); } else { // if the account has already been set, we need to promp // user about the risk + //若是已经建立则显示修改对话框并进行修改操作 showChangeAccountConfirmAlertDialog(); } } else { + //若在没有同步的情况下，则在toast中显示不能修改 Toast.makeText(NotesPreferenceActivity.this, R.string.preferences_toast_cannot_change_account, Toast.LENGTH_SHORT) .show(); @@ -150,22 +177,30 @@ public class NotesPreferenceActivity extends PreferenceActivity { return true; } }); - + + //根据新建首选项编辑新的账户分组 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); - + //获取同步按钮控件和最终同步时间的的窗口 // set button state + //设置按钮的状态 if (GTaskSyncService.isSyncing()) { + //若是在同步状态下 syncButton.setText(getString(R.string.preferences_button_sync_cancel)); syncButton.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { GTaskSyncService.cancelSync(NotesPreferenceActivity.this); } }); + //设置按钮显示的文本为“取消同步”以及监听器 } else { syncButton.setText(getString(R.string.preferences_button_sync_immediately)); syncButton.setOnClickListener(new View.OnClickListener() { @@ -173,50 +208,67 @@ public class NotesPreferenceActivity extends PreferenceActivity { GTaskSyncService.startSync(NotesPreferenceActivity.this); } }); + //若是不同步则设置按钮显示的文本为“立即同步”以及对应监听器 } syncButton.setEnabled(!TextUtils.isEmpty(getSyncAccountName(this))); - + //设置按键可用还是不可用 + // set last sync time + // 设置最终同步时间 if (GTaskSyncService.isSyncing()) { + //若是在同步的情况下 lastSyncTimeView.setText(GTaskSyncService.getProgressString()); lastSyncTimeView.setVisibility(View.VISIBLE); + // 根据当前同步服务器设置时间显示框的文本以及可见性 } else { + //若是非同步情况 long lastSyncTime = getLastSyncTime(this); if (lastSyncTime != 0) { lastSyncTimeView.setText(getString(R.string.preferences_last_sync_time, DateFormat.format(getString(R.string.preferences_last_sync_time_format), lastSyncTime))); lastSyncTimeView.setVisibility(View.VISIBLE); + //则根据最后同步时间的信息来编辑时间显示框的文本内容和可见性 } else { + //若时间为空直接设置为不可见状态 lastSyncTimeView.setVisibility(View.GONE); } } } - + /* + *函数功能：刷新标签界面 + *函数实现：调用上文设置账号和设置按键两个函数来实现 + */ private void refreshUI() { loadAccountPreference(); 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); - + //创建一个新的对话框 + View titleView = LayoutInflater.from(this).inflate(R.layout.account_dialog_title, null); TextView titleTextView = (TextView) titleView.findViewById(R.id.account_dialog_title); titleTextView.setText(getString(R.string.preferences_dialog_select_account_title)); 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(); String defAccount = getSyncAccountName(this); - + //获取同步账户信息 mOriAccounts = accounts; mHasAddedAccount = false; - + if (accounts.length > 0) { + //若账户不为空 CharSequence[] items = new CharSequence[accounts.length]; final CharSequence[] itemMapping = items; int checkedItem = -1; @@ -224,84 +276,120 @@ public class NotesPreferenceActivity extends PreferenceActivity { for (Account account : accounts) { if (TextUtils.equals(account.name, defAccount)) { checkedItem = index; + //在账户列表中查询到所需账户 } items[index++] = account.name; } dialogBuilder.setSingleChoiceItems(items, checkedItem, + //在对话框建立一个单选的复选框 new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { setSyncAccount(itemMapping[which].toString()); dialog.dismiss(); + //取消对话框 refreshUI(); } + //设置点击后执行的事件，包括检录新同步账户和刷新标签界面 }); + //建立对话框网络版的监听器 } - + View addAccountView = LayoutInflater.from(this).inflate(R.layout.add_account_text, null); dialogBuilder.setView(addAccountView); - + //给新加账户对话框设置自定义样式 + final AlertDialog dialog = dialogBuilder.show(); + //显示对话框 addAccountView.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { mHasAddedAccount = true; + //将新加账户的hash置true Intent intent = new Intent("android.settings.ADD_ACCOUNT_SETTINGS"); + //建立网络建立组件 intent.putExtra(AUTHORITIES_FILTER_KEY, new String[] { "gmail-ls" }); startActivityForResult(intent, -1); + //跳回上一个选项 dialog.dismiss(); } }); + //建立新加账户对话框的监听器 } - + + /* + * 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); - + //创建一个新的对话框 View titleView = LayoutInflater.from(this).inflate(R.layout.account_dialog_title, null); TextView titleTextView = (TextView) titleView.findViewById(R.id.account_dialog_title); titleTextView.setText(getString(R.string.preferences_dialog_change_account_title, getSyncAccountName(this))); TextView subtitleTextView = (TextView) titleView.findViewById(R.id.account_dialog_subtitle); subtitleTextView.setText(getString(R.string.preferences_dialog_change_account_warn_msg)); + //根据同步修改的账户信息设置标题以及子标题的内容 dialogBuilder.setCustomTitle(titleView); - + //设置对话框的自定义标题 CharSequence[] menuItemArray = new CharSequence[] { getString(R.string.preferences_menu_change_account), getString(R.string.preferences_menu_remove_account), getString(R.string.preferences_menu_cancel) }; + //定义一些标记字符串 dialogBuilder.setItems(menuItemArray, new DialogInterface.OnClickListener() { + //设置对话框要显示的一个list，用于显示几个命令时,即change，remove，cancel public void onClick(DialogInterface dialog, int which) { + //按键功能，由which来决定 if (which == 0) { + //进入账户选择对话框 showSelectAccountAlertDialog(); } else if (which == 1) { + //删除账户并且跟新便签界面 removeSyncAccount(); refreshUI(); } } }); dialogBuilder.show(); + //显示对话框 } - + + /* + *函数功能：获取谷歌账户 + *函数实现：通过账户管理器直接获取 + */ private Account[] getGoogleAccounts() { AccountManager accountManager = AccountManager.get(this); return accountManager.getAccountsByType("com.google"); } - + + /* + * 函数功能：设置同步账户 + * 函数实现：如下注释： + */ private void setSyncAccount(String account) { if (!getSyncAccountName(this).equals(account)) { + //假如该账号不在同步账号列表中 SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE); SharedPreferences.Editor editor = settings.edit(); + //编辑共享的首选项 if (account != null) { editor.putString(PREFERENCE_SYNC_ACCOUNT_NAME, account); } else { editor.putString(PREFERENCE_SYNC_ACCOUNT_NAME, ""); } + //将该账号加入到首选项中 + editor.commit(); - - // clean up last sync time + //提交修改的数据 + + setLastSyncTime(this, 0); - + //将最后同步时间清零 + // clean up local gtask related info new Thread(new Runnable() { public void run() { @@ -311,24 +399,34 @@ public class NotesPreferenceActivity extends PreferenceActivity { getContentResolver().update(Notes.CONTENT_NOTE_URI, values, null, null); } }).start(); - + //重置当地同步任务的信息 + Toast.makeText(NotesPreferenceActivity.this, getString(R.string.preferences_toast_success_set_accout, account), Toast.LENGTH_SHORT).show(); + //将toast的文本信息置为“设置账户成功”并显示出来 } } - + /* + * 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); SharedPreferences.Editor editor = settings.edit(); + //设置共享首选项 + if (settings.contains(PREFERENCE_SYNC_ACCOUNT_NAME)) { editor.remove(PREFERENCE_SYNC_ACCOUNT_NAME); + //假如当前首选项中有账户就删除 } if (settings.contains(PREFERENCE_LAST_SYNC_TIME)) { editor.remove(PREFERENCE_LAST_SYNC_TIME); + //删除当前首选项中有账户时间 } editor.commit(); - + //提交更新后的数据 + // clean up local gtask related info new Thread(new Runnable() { public void run() { @@ -338,51 +436,79 @@ public class NotesPreferenceActivity extends PreferenceActivity { getContentResolver().update(Notes.CONTENT_NOTE_URI, values, null, null); } }).start(); + //重置当地同步任务的信息 } - + + /* + * 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); SharedPreferences.Editor editor = settings.edit(); + // 从共享首选项中找到相关账户并获取其编辑器 editor.putLong(PREFERENCE_LAST_SYNC_TIME, time); editor.commit(); + //编辑最终同步时间并提交更新 } - + /* + * 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)) { - TextView syncStatus = (TextView) findViewById(R.id.prefenerece_sync_status_textview); + //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)); + //通过获取的数据在设置系统的状态 } - + } } - + + /* + * 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()) { + //根据选项的id选择，这里只有一个主页 case android.R.id.home: Intent intent = new Intent(this, NotesListActivity.class); intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP); startActivity(intent); return true; + //在主页情况下在创建连接组件intent，发出清空的信号并开始一个相应的activity default: return false; } } } + \ No newline at end of file