diff --git a/Notes-master2/Notes-master2/app/build.gradle b/Notes-master2/Notes-master2/app/build.gradle index 097c35c..282893c 100644 --- a/Notes-master2/Notes-master2/app/build.gradle +++ b/Notes-master2/Notes-master2/app/build.gradle @@ -24,7 +24,7 @@ android { dependencies { implementation fileTree( - dir: 'C:\\Users\\wangw\\Desktop\\源程序代码-小米便签-Notes-master\\Notes-master\\httpcomponents-client-4.5.14-bin\\lib', + dir: 'C:\\Users\\wangw\\Desktop\\源程序代码-小米便签-Notes-master\\httpcomponents-client-4.5.14-bin\\lib', include: ['*.aar', '*.jar'], exclude: ['commons-codec-1.11.jar','httpclient-4.5.14.jar','httpclient-cache-4.5.14.jar','fluent-hc-4.5.14.jar','httpmime-4.5.14.jar']) } diff --git a/Notes-master2/Notes-master2/app/src/main/java/net/micode/notes/ui/DateTimePicker.java b/Notes-master2/Notes-master2/app/src/main/java/net/micode/notes/ui/DateTimePicker.java index 0109764..afea285 100644 --- a/Notes-master2/Notes-master2/app/src/main/java/net/micode/notes/ui/DateTimePicker.java +++ b/Notes-master2/Notes-master2/app/src/main/java/net/micode/notes/ui/DateTimePicker.java @@ -178,11 +178,11 @@ public class DateTimePicker extends FrameLayout { public DateTimePicker(Context context) { this(context, System.currentTimeMillis()); } - + //获取当前的系统时间 public DateTimePicker(Context context, long date) { this(context, date, DateFormat.is24HourFormat(context)); } - + //日期转换 public DateTimePicker(Context context, long date, boolean is24HourView) { super(context); mDate = Calendar.getInstance(); diff --git a/Notes-master2/Notes-master2/app/src/main/java/net/micode/notes/ui/DateTimePickerDialog.java b/Notes-master2/Notes-master2/app/src/main/java/net/micode/notes/ui/DateTimePickerDialog.java index 2c47ba4..5d28f64 100644 --- a/Notes-master2/Notes-master2/app/src/main/java/net/micode/notes/ui/DateTimePickerDialog.java +++ b/Notes-master2/Notes-master2/app/src/main/java/net/micode/notes/ui/DateTimePickerDialog.java @@ -32,8 +32,10 @@ import android.text.format.DateUtils; public class DateTimePickerDialog extends AlertDialog implements OnClickListener { private Calendar mDate = Calendar.getInstance(); + //创建一个Calendar类型的变量 mDate，方便时间的操作 private boolean mIs24HourView; private OnDateTimeSetListener mOnDateTimeSetListener; + //声明一个时间日期滚动选择控件 private DateTimePicker mDateTimePicker; public interface OnDateTimeSetListener { @@ -52,15 +54,18 @@ public class DateTimePickerDialog extends AlertDialog implements OnClickListener mDate.set(Calendar.DAY_OF_MONTH, dayOfMonth); mDate.set(Calendar.HOUR_OF_DAY, hourOfDay); mDate.set(Calendar.MINUTE, minute); + //将视图中的各选项设置为系统当前时间 updateTitle(mDate.getTimeInMillis()); } }); mDate.setTimeInMillis(date); + //获取系统时间 mDate.set(Calendar.SECOND, 0); mDateTimePicker.setCurrentDate(mDate.getTimeInMillis()); setButton(context.getString(R.string.datetime_dialog_ok), this); setButton2(context.getString(R.string.datetime_dialog_cancel), (OnClickListener)null); set24HourView(DateFormat.is24HourFormat(this.getContext())); + //时间标准化 updateTitle(mDate.getTimeInMillis()); } @@ -71,7 +76,7 @@ public class DateTimePickerDialog extends AlertDialog implements OnClickListener public void setOnDateTimeSetListener(OnDateTimeSetListener callBack) { mOnDateTimeSetListener = callBack; } - + //实例化时间日期滚动选择控件 private void updateTitle(long date) { int flag = DateUtils.FORMAT_SHOW_YEAR | @@ -79,7 +84,7 @@ public class DateTimePickerDialog extends AlertDialog implements OnClickListener DateUtils.FORMAT_SHOW_TIME; flag |= mIs24HourView ? DateUtils.FORMAT_24HOUR : DateUtils.FORMAT_24HOUR; setTitle(DateUtils.formatDateTime(this.getContext(), date, flag)); - } + }//按照上下午显示时间 public void onClick(DialogInterface arg0, int arg1) { if (mOnDateTimeSetListener != null) { diff --git a/Notes-master2/Notes-master2/app/src/main/java/net/micode/notes/ui/DropdownMenu.java b/Notes-master2/Notes-master2/app/src/main/java/net/micode/notes/ui/DropdownMenu.java index 613dc74..aeb51b2 100644 --- a/Notes-master2/Notes-master2/app/src/main/java/net/micode/notes/ui/DropdownMenu.java +++ b/Notes-master2/Notes-master2/app/src/main/java/net/micode/notes/ui/DropdownMenu.java @@ -30,6 +30,7 @@ import net.micode.notes.R; public class DropdownMenu { private Button mButton; private PopupMenu mPopupMenu; + //声明一个下拉菜单 private Menu mMenu; public DropdownMenu(Context context, Button button, int menuId) { @@ -38,6 +39,7 @@ public class DropdownMenu { mPopupMenu = new PopupMenu(context, mButton); mMenu = mPopupMenu.getMenu(); mPopupMenu.getMenuInflater().inflate(menuId, mMenu); + //根据ID来确认menu的内容选项 mButton.setOnClickListener(new OnClickListener() { public void onClick(View v) { mPopupMenu.show(); @@ -50,12 +52,12 @@ public class DropdownMenu { mPopupMenu.setOnMenuItemClickListener(listener); } } - + ////设置菜单的监听 public MenuItem findItem(int id) { return mMenu.findItem(id); - } + }//菜单选项的初始化 public void setTitle(CharSequence title) { mButton.setText(title); - } + }//布局文件，设置标题 } diff --git a/Notes-master2/Notes-master2/app/src/main/java/net/micode/notes/ui/FoldersListAdapter.java b/Notes-master2/Notes-master2/app/src/main/java/net/micode/notes/ui/FoldersListAdapter.java index 96b77da..d959475 100644 --- a/Notes-master2/Notes-master2/app/src/main/java/net/micode/notes/ui/FoldersListAdapter.java +++ b/Notes-master2/Notes-master2/app/src/main/java/net/micode/notes/ui/FoldersListAdapter.java @@ -34,7 +34,7 @@ public class FoldersListAdapter extends CursorAdapter { 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; @@ -47,7 +47,7 @@ public class FoldersListAdapter extends CursorAdapter { public View newView(Context context, Cursor cursor, ViewGroup parent) { 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) { @@ -56,19 +56,20 @@ public class FoldersListAdapter extends CursorAdapter { ((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); 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); } diff --git a/Notes-master2/Notes-master2/app/src/main/java/net/micode/notes/ui/NoteEditActivity.java b/Notes-master2/Notes-master2/app/src/main/java/net/micode/notes/ui/NoteEditActivity.java index 0d18cc2..2cf4acd 100644 --- a/Notes-master2/Notes-master2/app/src/main/java/net/micode/notes/ui/NoteEditActivity.java +++ b/Notes-master2/Notes-master2/app/src/main/java/net/micode/notes/ui/NoteEditActivity.java @@ -74,6 +74,7 @@ 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 private class HeadViewHolder { public TextView tvModified; @@ -84,7 +85,9 @@ public class NoteEditActivity extends Activity implements OnClickListener, 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); @@ -94,6 +97,7 @@ public class NoteEditActivity extends Activity implements OnClickListener, } 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); @@ -103,6 +107,7 @@ public class NoteEditActivity extends Activity implements OnClickListener, } 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); @@ -111,6 +116,7 @@ public class NoteEditActivity extends Activity implements OnClickListener, } 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); @@ -121,31 +127,27 @@ public class NoteEditActivity extends Activity implements OnClickListener, private static final String TAG = "NoteEditActivity"; private HeadViewHolder mNoteHeaderHolder; - private View mHeadViewPanel; - + //对表头的操作 private View mNoteBgColorSelector; - + //对背景颜色的操作 private View 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; - + //文本编辑的控制板 private WorkingNote mWorkingNote; - + //对模板WorkingNote的初始化 private SharedPreferences mSharedPrefs; 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; @@ -153,7 +155,7 @@ public class NoteEditActivity extends Activity implements OnClickListener, protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); this.setContentView(R.layout.note_edit); - + //对数据库的访问 if (savedInstanceState == null && !initActivityState(getIntent())) { finish(); return; @@ -177,7 +179,7 @@ public class NoteEditActivity extends Activity implements OnClickListener, } Log.d(TAG, "Restoring from killed activity"); } - } + }//为防止内存不足时程序终止，保存现场 private boolean initActivityState(Intent intent) { /** @@ -193,6 +195,7 @@ public class NoteEditActivity extends Activity implements OnClickListener, * Starting from the searched result */ if (intent.hasExtra(SearchManager.EXTRA_DATA_KEY)) { + //查找ID noteId = Long.parseLong(intent.getStringExtra(SearchManager.EXTRA_DATA_KEY)); mUserQuery = intent.getStringExtra(SearchManager.USER_QUERY); } @@ -203,6 +206,7 @@ public class NoteEditActivity extends Activity implements OnClickListener, showToast(R.string.error_note_not_exist); finish(); return false; + //找到ID } else { mWorkingNote = WorkingNote.load(this, noteId); if (mWorkingNote == null) { @@ -214,7 +218,7 @@ public class NoteEditActivity extends Activity implements OnClickListener, 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())) { + } else if (TextUtils.equals(Intent.ACTION_INSERT_OR_EDIT, intent.getAction())) { // New note long folderId = intent.getLongExtra(Notes.INTENT_EXTRA_FOLDER_ID, 0); int widgetId = intent.getIntExtra(Notes.INTENT_EXTRA_WIDGET_ID, @@ -240,6 +244,7 @@ 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); @@ -269,6 +274,7 @@ public class NoteEditActivity extends Activity implements OnClickListener, } private void initNoteScreen() { + //界面初始化 mNoteEditor.setTextAppearance(this, TextAppearanceResources .getTexAppearanceResource(mFontSizeId)); if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) { @@ -295,11 +301,13 @@ public class NoteEditActivity extends Activity implements OnClickListener, 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)); @@ -309,7 +317,8 @@ public class NoteEditActivity extends Activity implements OnClickListener, } else { mNoteHeaderHolder.tvAlertDate.setVisibility(View.GONE); mNoteHeaderHolder.ivAlertIcon.setVisibility(View.GONE); - }; + } + ; } @Override @@ -339,7 +348,7 @@ public class NoteEditActivity extends Activity implements OnClickListener, && !inRangeOfView(mNoteBgColorSelector, ev)) { mNoteBgColorSelector.setVisibility(View.GONE); return true; - } + }//颜色选择器 if (mFontSizeSelector.getVisibility() == View.VISIBLE && !inRangeOfView(mFontSizeSelector, ev)) { @@ -347,10 +356,11 @@ public class NoteEditActivity extends Activity implements OnClickListener, return true; } return super.dispatchTouchEvent(ev); - } + }//字体大小选择器 + //对屏幕触控的坐标进行操作 private boolean inRangeOfView(View view, MotionEvent ev) { - int []location = new int[2]; + int[] location = new int[2]; view.getLocationOnScreen(location); int x = location[0]; int y = location[1]; @@ -358,8 +368,9 @@ public class NoteEditActivity extends Activity implements OnClickListener, || ev.getX() > (x + view.getWidth()) || ev.getY() < y || ev.getY() > (y + view.getHeight())) { - return false; - } + return false; + //如果触控的位置超出了给定的范围，返回false + } return true; } @@ -377,13 +388,14 @@ 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进行初始化 mFontSizeSelector = findViewById(R.id.font_size_selector); for (int id : sFontSizeBtnsMap.keySet()) { View view = findViewById(id); view.setOnClickListener(this); - }; + } + ;//字体大小选择 mSharedPrefs = PreferenceManager.getDefaultSharedPreferences(this); mFontSizeId = mSharedPrefs.getInt(PREFERENCE_FONT_SIZE, ResourceParser.BG_DEFAULT_FONT_SIZE); /** @@ -391,7 +403,7 @@ public class NoteEditActivity extends Activity implements OnClickListener, * The id may larger than the length of resources, in this case, * return the {@link ResourceParser#BG_DEFAULT_FONT_SIZE} */ - if(mFontSizeId >= TextAppearanceResources.getResourcesSize()) { + if (mFontSizeId >= TextAppearanceResources.getResourcesSize()) { mFontSizeId = ResourceParser.BG_DEFAULT_FONT_SIZE; } mEditTextList = (LinearLayout) findViewById(R.id.note_edit_list); @@ -400,7 +412,7 @@ public class NoteEditActivity extends Activity implements OnClickListener, @Override protected void onPause() { super.onPause(); - if(saveNote()) { + if (saveNote()) { Log.d(TAG, "Note data was saved with length:" + mWorkingNote.getContent().length()); } clearSettingState(); @@ -417,8 +429,8 @@ public class NoteEditActivity extends Activity implements OnClickListener, return; } - intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, new int[] { - mWorkingNote.getWidgetId() + intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, new int[]{ + mWorkingNote.getWidgetId() }); sendBroadcast(intent); @@ -454,7 +466,7 @@ public class NoteEditActivity extends Activity implements OnClickListener, @Override public void onBackPressed() { - if(clearSettingState()) { + if (clearSettingState()) { return; } @@ -480,6 +492,7 @@ public class NoteEditActivity extends Activity implements OnClickListener, mHeadViewPanel.setBackgroundResource(mWorkingNote.getTitleBgResId()); } + //对选择菜单的准备 @Override public boolean onPrepareOptionsMenu(Menu menu) { if (isFinishing()) { @@ -505,220 +518,269 @@ public class NoteEditActivity extends Activity implements OnClickListener, return true; } + //动态改变菜单选项内容 @Override + public boolean onOptionsItemSelected(MenuItem item) { - int itemId = item.getItemId(); - if (itemId == R.id.menu_new_note) { + int itemId = item.getItemId();//根据菜单的id来编剧相关项目 + if (itemId == R.id.menu_new_note) {//创建一个新的便签 createNewNote(); - } else if (itemId == R.id.menu_delete) { + } else if (itemId == 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(); - } else if (itemId == R.id.menu_font_size) { + } else if (itemId == 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); - } else if (itemId == R.id.menu_list_mode) { + // 通过id找到相应的大小 + } else if (itemId == R.id.menu_list_mode) {//选择列表模式 mWorkingNote.setCheckListMode(mWorkingNote.getCheckListMode() == 0 ? TextNote.MODE_CHECK_LIST : 0); - } else if (itemId == R.id.menu_share) { + } else if (itemId == R.id.menu_share) {//菜单共享 getWorkingText(); sendTo(this, mWorkingNote.getContent()); - } else if (itemId == R.id.menu_send_to_desktop) { + // 用sendto函数将运行文本发送到遍历的本文内 + } else if (itemId == R.id.menu_send_to_desktop) {//发送到桌面 sendToDesktop(); - } else if (itemId == R.id.menu_alert) { + } else if (itemId == R.id.menu_alert) {//创建提醒器 setReminder(); - } else if (itemId == R.id.menu_delete_remind) { + } else if (itemId == R.id.menu_delete_remind) {//删除日期提醒 mWorkingNote.setAlertDate(0, false); } return true; } + //建立事件提醒器 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); + mWorkingNote.setAlertDate(date, true); + //选择提醒的日期 } }); + //建立时间日期的监听器 d.show(); } - /** - * Share note to apps that support {@link Intent#ACTION_SEND} action - * and {@text/plain} type - */ + //共享便签 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 } - + //创建一个新的便签 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 } - + //删除当前便签 private void deleteCurrentNote() { if (mWorkingNote.existInDatabase()) { + //如果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"); } 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 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 } - + //判断是否为同步模式 private boolean isSyncMode() { return NotesPreferenceActivity.getSyncAccountName(this).trim().length() > 0; } + //设置提醒时间 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()) { + //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) { + 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); } } - + //Widget发生改变的所触发的事件 public void onWidgetChanged() { updateWidget(); } + //删除编辑文本框所触发的事件 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) { + 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(); - 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 } - + //进入编辑文本框所触发的事件 public void onEditTextEnter(int index, String text) { /** * Should not happen, check for debug */ - if(index > mEditTextList.getChildCount()) { + if (index > mEditTextList.getChildCount()) { Log.e(TAG, "Index out of mEditTextList boundrary, should not happen"); } 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 } } + //切换至列表模式 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)) { + 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 } + //获取高亮效果的反馈情况 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; } + //获取列表项 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) { @@ -729,12 +791,15 @@ 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(); @@ -743,74 +808,89 @@ public class NoteEditActivity extends Activity implements OnClickListener, 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; } + //便签内容发生改变所触发的事件 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) { + 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 } + //检查模式和列表模式的切换 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 } } + //设置勾选选项表并返回是否勾选的标记 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())) { 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; } + //保存便签 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 - */ + //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; } + //将便签发送至桌面 private void sendToDesktop() { /** * Before send message to home, we should make sure that current @@ -819,12 +899,16 @@ 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, @@ -832,32 +916,34 @@ 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 - * 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 } } + //编辑小图标的标题 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 } - + //显示提示的视图 private void showToast(int resId) { showToast(resId, Toast.LENGTH_SHORT); } + //持续显示提示的视图 private void showToast(int resId, int duration) { Toast.makeText(this, resId, duration).show(); } -} +} \ No newline at end of file diff --git a/Notes-master2/Notes-master2/app/src/main/java/net/micode/notes/ui/NoteEditText.java b/Notes-master2/Notes-master2/app/src/main/java/net/micode/notes/ui/NoteEditText.java index 2afe2a8..2ec310b 100644 --- a/Notes-master2/Notes-master2/app/src/main/java/net/micode/notes/ui/NoteEditText.java +++ b/Notes-master2/Notes-master2/app/src/main/java/net/micode/notes/ui/NoteEditText.java @@ -36,7 +36,7 @@ import net.micode.notes.R; import java.util.HashMap; import java.util.Map; - +//设置便签设置文本框 public class NoteEditText extends EditText { private static final String TAG = "NoteEditText"; private int mIndex; @@ -45,13 +45,12 @@ 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:" ; - private static final Map sSchemaActionResMap = new HashMap(); static { sSchemaActionResMap.put(SCHEME_TEL, R.string.note_link_tel); sSchemaActionResMap.put(SCHEME_HTTP, R.string.note_link_web); sSchemaActionResMap.put(SCHEME_EMAIL, R.string.note_link_email); - } + }//建立一个字符和整数的hash表，用于链接电话，网站，还有邮箱 /** * Call by the {@link NoteEditActivity} to delete or add edit text @@ -80,41 +79,42 @@ public class NoteEditText extends EditText { public NoteEditText(Context context) { super(context, null); mIndex = 0; - } + }//根据context设置文本 public void setIndex(int index) { mIndex = index; - } + }//设置当前光标 public void setOnTextViewChangeListener(OnTextViewChangeListener listener) { mOnTextViewChangeListener = listener; - } + } //初始化文本修改标记 public NoteEditText(Context context, AttributeSet attrs) { super(context, attrs, android.R.attr.editTextStyle); - } + }//初始化便签 public NoteEditText(Context context, AttributeSet attrs, int defStyle) { super(context, attrs, defStyle); // TODO Auto-generated constructor stub - } + }//自动初始化 @Override 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: - int x = (int) event.getX(); int y = (int) event.getY(); x -= getTotalPaddingLeft(); y -= getTotalPaddingTop(); x += getScrollX(); y += getScrollY(); - Layout layout = getLayout(); int line = layout.getLineForVertical(y); int off = layout.getOffsetForHorizontal(line, x); + //根据x,y的新值设置新的位置 Selection.setSelection(getText(), off); + //更新光标新的位置 break; } @@ -136,7 +136,7 @@ public class NoteEditText extends EditText { break; } return super.onKeyDown(keyCode, event); - } + }//处理用户按下一个键盘按键时会触发的事件 @Override public boolean onKeyUp(int keyCode, KeyEvent event) { @@ -165,7 +165,7 @@ public class NoteEditText extends EditText { break; } return super.onKeyUp(keyCode, event); - } + }//处理用户松开一个键盘按键时会触发 的事件 @Override protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) { @@ -177,7 +177,7 @@ public class NoteEditText extends EditText { } } super.onFocusChanged(focused, direction, previouslyFocusedRect); - } + }//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 @Override protected void onCreateContextMenu(ContextMenu menu) { @@ -214,4 +214,4 @@ public class NoteEditText extends EditText { } super.onCreateContextMenu(menu); } -} +}//生成上下文菜单 diff --git a/Notes-master2/Notes-master2/app/src/main/java/net/micode/notes/ui/NoteItemData.java b/Notes-master2/Notes-master2/app/src/main/java/net/micode/notes/ui/NoteItemData.java index 0f5a878..33c2d5d 100644 --- a/Notes-master2/Notes-master2/app/src/main/java/net/micode/notes/ui/NoteItemData.java +++ b/Notes-master2/Notes-master2/app/src/main/java/net/micode/notes/ui/NoteItemData.java @@ -96,7 +96,7 @@ public class NoteItemData { if (mParentId == Notes.ID_CALL_RECORD_FOLDER) { mPhoneNumber = DataUtils.getCallNumberByNoteId(context.getContentResolver(), mId); if (!TextUtils.isEmpty(mPhoneNumber)) { - mName = Contact.getContact(context, mPhoneNumber); + mName = Contact.getContact(context, mPhoneNumber);//mphonenumber里有符合字符串，则用contart功能连接 if (mName == null) { mName = mPhoneNumber; } @@ -107,7 +107,7 @@ public class NoteItemData { mName = ""; } checkPostion(cursor); - } + }//初始化NoteItemData，主要利用光标cursor获取的东西 private void checkPostion(Cursor cursor) { mIsLastItem = cursor.isLast() ? true : false; @@ -116,15 +116,15 @@ public class NoteItemData { mIsMultiNotesFollowingFolder = false; mIsOneNoteFollowingFolder = false; - if (mType == Notes.TYPE_NOTE && !mIsFirstItem) { + 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.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()) { @@ -132,7 +132,7 @@ public class NoteItemData { } } } - } + }//根据鼠标的位置设置标记，和位置 public boolean isOneFollowingFolder() { return mIsOneNoteFollowingFolder; @@ -216,7 +216,7 @@ public class NoteItemData { public boolean isCallRecord() { return (mParentId == Notes.ID_CALL_RECORD_FOLDER && !TextUtils.isEmpty(mPhoneNumber)); - } + }//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 static int getNoteType(Cursor cursor) { return cursor.getInt(TYPE_COLUMN); diff --git a/Notes-master2/Notes-master2/app/src/main/java/net/micode/notes/ui/NotesListActivity.java b/Notes-master2/Notes-master2/app/src/main/java/net/micode/notes/ui/NotesListActivity.java index 6db3761..a382218 100644 --- a/Notes-master2/Notes-master2/app/src/main/java/net/micode/notes/ui/NotesListActivity.java +++ b/Notes-master2/Notes-master2/app/src/main/java/net/micode/notes/ui/NotesListActivity.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.app.Activity; @@ -77,7 +61,11 @@ import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.util.HashSet; - +//主界面，一进入就是这个界面 +/** + * @author k + * + */ public class NotesListActivity extends Activity implements OnClickListener, OnItemLongClickListener { private static final int FOLDER_NOTE_LIST_QUERY_TOKEN = 0; @@ -90,6 +78,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt private static final int MENU_FOLDER_CHANGE_NAME = 2; 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 @@ -136,8 +125,9 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt 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) { + super.onCreate(savedInstanceState); // 调用父类的onCreate函数 setContentView(R.layout.note_list); initResources(); @@ -148,12 +138,15 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt } @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) { + // 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（） } } @@ -163,11 +156,12 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt StringBuilder sb = new StringBuilder(); InputStream in = null; try { - in = getResources().openRawResource(R.raw.introduction); + in = getResources().openRawResource(R.raw.introduction); if (in != null) { InputStreamReader isr = new InputStreamReader(in); BufferedReader br = new BufferedReader(isr); char [] buf = new char[1024]; + // 自行定义的数值 int len = 0; while ((len = br.read(buf)) > 0) { sb.append(buf, 0, len); @@ -180,7 +174,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt e.printStackTrace(); return; } finally { - if(in != null) { + if (in != null) { try { in.close(); } catch (IOException e) { @@ -190,11 +184,13 @@ 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"); @@ -209,18 +205,21 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt startAsyncNotesListQuery(); } + // 初始化资源 private void initResources() { mContentResolver = this.getContentResolver(); + // 获取应用程序的数据 mBackgroundQueryHandler = new BackgroundQueryHandler(this.getContentResolver()); mCurrentFolderId = Notes.ID_ROOT_FOLDER; 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()); mDispatch = false; @@ -259,7 +258,7 @@ 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; @@ -269,11 +268,13 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt 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); + // 更改标题 MenuItem item = mDropDownMenu.findItem(R.id.action_select_all); if (item != null) { if (mNotesListAdapter.isAllSelected()) { @@ -307,7 +308,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt } public void onItemCheckedStateChanged(ActionMode mode, int position, long id, - boolean checked) { + boolean checked) { mNotesListAdapter.setCheckedItem(position, checked); updateMenu(); } @@ -364,7 +365,7 @@ 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 @@ -411,7 +412,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt : NORMAL_SELECTION; mBackgroundQueryHandler.startQuery(FOLDER_NOTE_LIST_QUERY_TOKEN, null, Notes.CONTENT_NOTE_URI, NoteItemData.PROJECTION, selection, new String[] { - String.valueOf(mCurrentFolderId) + String.valueOf(mCurrentFolderId) }, NoteColumns.TYPE + " DESC," + NoteColumns.MODIFIED_DATE + " DESC"); } @@ -618,7 +619,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt values.put(NoteColumns.LOCAL_MODIFIED, 1); mContentResolver.update(Notes.CONTENT_NOTE_URI, values, NoteColumns.ID + "=?", new String[] { - String.valueOf(mFocusNoteDataItem.getId()) + String.valueOf(mFocusNoteDataItem.getId()) }); } } else if (!TextUtils.isEmpty(name)) { @@ -658,30 +659,30 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt }); } + //按返回键时根据情况更改类中的数据 @Override - public void onBackPressed() { - switch (mState) { - case SUB_FOLDER: - mCurrentFolderId = Notes.ID_ROOT_FOLDER; - mState = ListEditState.NOTE_LIST; - startAsyncNotesListQuery(); - mTitleBar.setVisibility(View.GONE); - break; - case CALL_RECORD_FOLDER: - mCurrentFolderId = Notes.ID_ROOT_FOLDER; - mState = ListEditState.NOTE_LIST; - mAddNewNote.setVisibility(View.VISIBLE); - mTitleBar.setVisibility(View.GONE); - startAsyncNotesListQuery(); - break; - case NOTE_LIST: - super.onBackPressed(); - break; - default: - break; - } + public void onBackPressed() { switch (mState) { + case SUB_FOLDER: + mCurrentFolderId = Notes.ID_ROOT_FOLDER; + mState = ListEditState.NOTE_LIST; + startAsyncNotesListQuery(); + mTitleBar.setVisibility(View.GONE); + break; + case CALL_RECORD_FOLDER: + mCurrentFolderId = Notes.ID_ROOT_FOLDER; + mState = ListEditState.NOTE_LIST; + mAddNewNote.setVisibility(View.VISIBLE); + mTitleBar.setVisibility(View.GONE); + startAsyncNotesListQuery(); + break; + case NOTE_LIST: + super.onBackPressed(); + break; + default: + break; } - + } + //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) { @@ -694,13 +695,14 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt } intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, new int[] { - appWidgetId + 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) { @@ -720,6 +722,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt super.onContextMenuClosed(menu); } + //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) { @@ -729,9 +732,11 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt switch (item.getItemId()) { case MENU_FOLDER_VIEW: openFolder(mFocusNoteDataItem); + //打开对应文件 break; case MENU_FOLDER_DELETE: 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)); @@ -799,12 +804,14 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt return true; } + //直接调用startSearch函数 @Override public boolean onSearchRequested() { startSearch(null, false, null /* appData */, false); return true; } + //实现将便签导出到文本功能 private void exportNoteToText() { final BackupUtils backup = BackupUtils.getInstance(NotesListActivity.this); new AsyncTask() { @@ -847,16 +854,20 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt }.execute(); } + //判断是否正在同步 private boolean isSyncMode() { return NotesPreferenceActivity.getSyncAccountName(this).trim().length() > 0; } + + //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); } + //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) { @@ -898,10 +909,11 @@ 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 + ")"; + "(" + selection + ") OR (" + NoteColumns.ID + "=" + Notes.ID_ROOT_FOLDER + ")"; mBackgroundQueryHandler.startQuery(FOLDER_LIST_QUERY_TOKEN, null, @@ -916,6 +928,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt NoteColumns.MODIFIED_DATE + " DESC"); } + //长按某一项时进行的操作 public boolean onItemLongClick(AdapterView parent, View view, int position, long id) { if (view instanceof NotesListItem) { mFocusNoteDataItem = ((NotesListItem) view).getItemData(); @@ -932,4 +945,4 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt } return false; } -} +} \ No newline at end of file diff --git a/Notes-master2/Notes-master2/app/src/main/java/net/micode/notes/ui/NotesListAdapter.java b/Notes-master2/Notes-master2/app/src/main/java/net/micode/notes/ui/NotesListAdapter.java index 51c9cb9..170a8f3 100644 --- a/Notes-master2/Notes-master2/app/src/main/java/net/micode/notes/ui/NotesListAdapter.java +++ b/Notes-master2/Notes-master2/app/src/main/java/net/micode/notes/ui/NotesListAdapter.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; @@ -23,6 +7,7 @@ import android.view.View; import android.view.ViewGroup; import android.widget.CursorAdapter; + import net.micode.notes.data.Notes; import java.util.Collection; @@ -31,55 +16,73 @@ import java.util.HashSet; import java.util.Iterator; +//便签表连接器，继承了CursorAdapter，它为cursor和ListView提供了连接的桥梁 public class NotesListAdapter extends CursorAdapter { private static final String TAG = "NotesListAdapter"; private Context mContext; private HashMap mSelectedIndex; 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; }; + //初始化便签链接器 public NotesListAdapter(Context context) { 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 + //新建一个视图来存储光标所指向的数据 public View newView(Context context, Cursor cursor, ViewGroup parent) { return new NotesListItem(context); } + //将已经存在的视图和鼠标指向的数据进行捆绑 @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 } } + //设置勾选框 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 } + //判断单选按钮是否勾选 public boolean isInChoiceMode() { return mChoiceMode; } + //设置单项选项框 public void setChoiceMode(boolean mode) { mSelectedIndex.clear(); mChoiceMode = mode; } + //选择全部选项 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) { @@ -87,12 +90,17 @@ 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 } + //建立选择项的下标列表 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) { Log.d(TAG, "Wrong item id, should not happen"); @@ -105,6 +113,7 @@ public class NotesListAdapter extends CursorAdapter { return itemSet; } + //建立桌面Widget的选项表 public HashSet getSelectedWidget() { HashSet itemSet = new HashSet(); for (Integer position : mSelectedIndex.keySet()) { @@ -128,8 +137,10 @@ public class NotesListAdapter extends CursorAdapter { return itemSet; } + //获取选项个数 public int getSelectedCount() { Collection values = mSelectedIndex.values(); + //获取选项下标的值 if (null == values) { return 0; } @@ -137,17 +148,21 @@ public class NotesListAdapter extends CursorAdapter { int count = 0; while (iter.hasNext()) { if (true == iter.next()) { + //若value值为真计数+1 count++; } } return count; } + //判断是否全部选中 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 } + //判断是否为选项表 public boolean isSelectedItem(final int position) { if (null == mSelectedIndex.get(position)) { return false; @@ -156,24 +171,29 @@ public class NotesListAdapter extends CursorAdapter { } @Override + //在activity内容发生局部变动的时候调用该函数计算便签的数量 protected void onContentChanged() { super.onContentChanged(); calcNotesCount(); } @Override + //在activity光标发生局部变动的时候调用该函数计算便签的数量 public void changeCursor(Cursor cursor) { super.changeCursor(cursor); calcNotesCount(); } + //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"); @@ -181,4 +201,4 @@ public class NotesListAdapter extends CursorAdapter { } } } -} +} \ No newline at end of file diff --git a/Notes-master2/Notes-master2/app/src/main/java/net/micode/notes/ui/NotesListItem.java b/Notes-master2/Notes-master2/app/src/main/java/net/micode/notes/ui/NotesListItem.java index 1221e80..16f8046 100644 --- a/Notes-master2/Notes-master2/app/src/main/java/net/micode/notes/ui/NotesListItem.java +++ b/Notes-master2/Notes-master2/app/src/main/java/net/micode/notes/ui/NotesListItem.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; @@ -30,16 +14,24 @@ 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; + //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); + //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); mAlert = (ImageView) findViewById(R.id.iv_alert_icon); mTitle = (TextView) findViewById(R.id.tv_title); @@ -47,20 +39,25 @@ public class NotesListItem extends LinearLayout { 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); + //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 +66,10 @@ 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); + //图片来源的设置 mAlert.setVisibility(View.VISIBLE); } else { mAlert.setVisibility(View.GONE); @@ -78,45 +77,48 @@ 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, - data.getNotesCount())); + data.getNotesCount())); mAlert.setVisibility(View.GONE); } 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(); 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()) { + //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 diff --git a/Notes-master2/Notes-master2/app/src/main/java/net/micode/notes/ui/NotesPreferenceActivity.java b/Notes-master2/Notes-master2/app/src/main/java/net/micode/notes/ui/NotesPreferenceActivity.java index 07c5f7e..0328ca1 100644 --- a/Notes-master2/Notes-master2/app/src/main/java/net/micode/notes/ui/NotesPreferenceActivity.java +++ b/Notes-master2/Notes-master2/app/src/main/java/net/micode/notes/ui/NotesPreferenceActivity.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.accounts.Account; @@ -47,29 +31,31 @@ import net.micode.notes.data.Notes; import net.micode.notes.data.Notes.NoteColumns; import net.micode.notes.gtask.remote.GTaskSyncService; - +//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。 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 + //创建一个activity，在函数里要完成所有的正常静态设置 protected void onCreate(Bundle icicle) { super.onCreate(icicle); @@ -82,31 +68,40 @@ public class NotesPreferenceActivity extends PreferenceActivity { 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 getListView().addHeaderView(header, null, true); } @Override + //activity交互功能的实现，用于接受用户的输入 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) { + //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; } } @@ -117,6 +112,7 @@ public class NotesPreferenceActivity extends PreferenceActivity { } @Override + //销毁一个activity protected void onDestroy() { if (mReceiver != null) { unregisterReceiver(mReceiver); @@ -124,9 +120,9 @@ public class NotesPreferenceActivity extends PreferenceActivity { super.onDestroy(); } + //重新设置账户信息 private void loadAccountPreference() { mAccountCategory.removeAll(); - Preference accountPref = new Preference(this); final String defaultAccount = getSyncAccountName(this); accountPref.setTitle(getString(R.string.preferences_account_title)); @@ -136,15 +132,17 @@ public class NotesPreferenceActivity extends PreferenceActivity { 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 { Toast.makeText(NotesPreferenceActivity.this, - R.string.preferences_toast_cannot_change_account, Toast.LENGTH_SHORT) + R.string.preferences_toast_cannot_change_account, Toast.LENGTH_SHORT) .show(); } return true; @@ -154,18 +152,19 @@ public class NotesPreferenceActivity extends PreferenceActivity { mAccountCategory.addPreference(accountPref); } + //设置按键的状态和最后同步的时间 private void loadSyncButton() { Button syncButton = (Button) findViewById(R.id.preference_sync_button); TextView lastSyncTimeView = (TextView) findViewById(R.id.prefenerece_sync_status_textview); - - // set button state 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 +172,56 @@ 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))); - // 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); } } } + //刷新标签界面 private void refreshUI() { loadAccountPreference(); loadSyncButton(); } + //显示账户选择的对话框并进行账户的设置 private void showSelectAccountAlertDialog() { AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this); - 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)); - dialogBuilder.setCustomTitle(titleView); dialogBuilder.setPositiveButton(null, null); - 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; @@ -224,10 +229,12 @@ 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()); @@ -239,57 +246,70 @@ public class NotesPreferenceActivity extends PreferenceActivity { 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(); 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"); intent.putExtra(AUTHORITIES_FILTER_KEY, new String[] { - "gmail-ls" + "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 } + //显示账户选择对话框和相关账户操作 private void showChangeAccountConfirmAlertDialog() { AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this); - 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() { 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 } + //获取谷歌账户 private Account[] getGoogleAccounts() { AccountManager accountManager = AccountManager.get(this); return accountManager.getAccountsByType("com.google"); } + //设置同步账户 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(); if (account != null) { @@ -297,10 +317,13 @@ public class NotesPreferenceActivity extends PreferenceActivity { } 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 + setLastSyncTime(this, 0); + //将最后同步时间清零 // clean up local gtask related info new Thread(new Runnable() { @@ -311,21 +334,25 @@ 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(); } } - + //删除同步账户 private void removeSyncAccount() { SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE); SharedPreferences.Editor editor = settings.edit(); + 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(); @@ -338,44 +365,54 @@ 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 } + //获取同步账户名称 public static String getSyncAccountName(Context context) { SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE); return settings.getString(PREFERENCE_SYNC_ACCOUNT_NAME, ""); } + //设置最终同步的时间 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 } - + //获取最终同步时间 public static long getLastSyncTime(Context context) { SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE); return settings.getLong(PREFERENCE_LAST_SYNC_TIME, 0); } + //接受同步信息 private class GTaskReceiver extends BroadcastReceiver { @Override public void onReceive(Context context, Intent intent) { refreshUI(); if (intent.getBooleanExtra(GTaskSyncService.GTASK_SERVICE_BROADCAST_IS_SYNCING, false)) { + //获取同步服务的数据 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 } } } + //处理菜单的选项 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);