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Code Issues Pull Requests 2 Projects Releases Wiki Activity

代码标注

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yfyl1005 2 years ago
parent 6db2a20ca8
commit a66b8d35b6
1 changed files with 119 additions and 61 deletions
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doc/标注/210340061_林亭旭/NotesListActivity.java
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@ -82,15 +82,15 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
//OnClickListener，OnItemLongClickListener是一个抽象类 //OnClickListener，OnItemLongClickListener是一个抽象类
//定义了一个Activity的子类NotesListActivity，用这个类实现了上面两个接口， //定义了一个Activity的子类NotesListActivity，用这个类实现了上面两个接口，
//这两个接口的 //这两个接口的
private static final int FOLDER_NOTE_LIST_QUERY_TOKEN = 0; private static final int FOLDER_NOTE_LIST_QUERY_TOKEN = 0;//各类文件查询注释行
private static final int FOLDER_LIST_QUERY_TOKEN = 1; private static final int FOLDER_LIST_QUERY_TOKEN = 1;//文件夹列表查询
private static final int MENU_FOLDER_DELETE = 0; private static final int MENU_FOLDER_DELETE = 0;//菜单删除
private static final int MENU_FOLDER_VIEW = 1; private static final int MENU_FOLDER_VIEW = 1;//菜单界面
private static final int MENU_FOLDER_CHANGE_NAME = 2; private static final int MENU_FOLDER_CHANGE_NAME = 2;//菜单修改命名
private static final String PREFERENCE_ADD_INTRODUCTION = "net.micode.notes.introduction"; private static final String PREFERENCE_ADD_INTRODUCTION = "net.micode.notes.introduction";
@ -134,44 +134,53 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
+ Notes.TYPE_SYSTEM + " AND " + NoteColumns.PARENT_ID + "=?)" + " OR (" + Notes.TYPE_SYSTEM + " AND " + NoteColumns.PARENT_ID + "=?)" + " OR ("
+ NoteColumns.ID + "=" + Notes.ID_CALL_RECORD_FOLDER + " AND " + NoteColumns.ID + "=" + Notes.ID_CALL_RECORD_FOLDER + " AND "
+ NoteColumns.NOTES_COUNT + ">0)"; + NoteColumns.NOTES_COUNT + ">0)";
//对输入进行步数统计，分为NoteColumns.TYPE，输入，Notes.TYPE_SYSTEM，NoteColumns.PARENT_ID或者Notes.ID_CALL_RECORD_FOLDER，NoteColumns.NOTES_COUNTNoteColumns.ID
private final static int REQUEST_CODE_OPEN_NODE = 102; private final static int REQUEST_CODE_OPEN_NODE = 102;
private final static int REQUEST_CODE_NEW_NODE = 103; private final static int REQUEST_CODE_NEW_NODE = 103;
@Override @Override
protected void onCreate(Bundle savedInstanceState) { // 创建类
super.onCreate(savedInstanceState); 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); setContentView(R.layout.note_list);
initResources(); initResources();
/** /**
* Insert an introduction when user firstly use this application * Insert an introduction when user firstly use this application
*/ */
setAppInfoFromRawRes(); setAppInfoFromRawRes();//加入一个介绍当用户第一次使用这个app时
} }
@Override @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) { protected void onActivityResult(int requestCode, int resultCode, Intent data) {
// 结果值 和 需求值 符合要求，数据
if (resultCode == RESULT_OK if (resultCode == RESULT_OK
&& (requestCode == REQUEST_CODE_OPEN_NODE || requestCode == REQUEST_CODE_NEW_NODE)) { && (requestCode == REQUEST_CODE_OPEN_NODE || requestCode == REQUEST_CODE_NEW_NODE)) {
mNotesListAdapter.changeCursor(null); mNotesListAdapter.changeCursor(null);
} else { } else {
super.onActivityResult(requestCode, resultCode, data); super.onActivityResult(requestCode, resultCode, data);
// 调用 Activity 的onActivityResult（）
} }
} }
private void setAppInfoFromRawRes() { private void setAppInfoFromRawRes() {
SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(this); // Android平台给我们提供了一个SharedPreferences类，它是一个轻量级的存储类，适用于存储软件配置参数。
SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(this);//获取默认共享首选项
if (!sp.getBoolean(PREFERENCE_ADD_INTRODUCTION, false)) { if (!sp.getBoolean(PREFERENCE_ADD_INTRODUCTION, false)) {
StringBuilder sb = new StringBuilder(); StringBuilder sb = new StringBuilder();
InputStream in = null; InputStream in = null;
try { try {
in = getResources().openRawResource(R.raw.introduction); in = getResources().openRawResource(R.raw.introduction);
if (in != null) { if (in != null) {
InputStreamReader isr = new InputStreamReader(in); InputStreamReader isr = new InputStreamReader(in);
BufferedReader br = new BufferedReader(isr); BufferedReader br = new BufferedReader(isr);
char [] buf = new char[1024]; char [] buf = new char[1024]; // 自定义数值
int len = 0; int len = 0;//初始化len
while ((len = br.read(buf)) > 0) { while ((len = br.read(buf)) > 0) {
sb.append(buf, 0, len); sb.append(buf, 0, len);
} }
@ -183,7 +192,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
e.printStackTrace(); e.printStackTrace();
return; return;
} finally { } finally {
if(in != null) { if (in != null) {
try { try {
in.close(); in.close();
} catch (IOException e) { } catch (IOException e) {
@ -193,11 +202,13 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
} }
} }
// 创建空的WorkingNote
WorkingNote note = WorkingNote.createEmptyNote(this, Notes.ID_ROOT_FOLDER, WorkingNote note = WorkingNote.createEmptyNote(this, Notes.ID_ROOT_FOLDER,
AppWidgetManager.INVALID_APPWIDGET_ID, Notes.TYPE_WIDGET_INVALIDE, AppWidgetManager.INVALID_APPWIDGET_ID, Notes.TYPE_WIDGET_INVALIDE,
ResourceParser.RED); ResourceParser.RED);
note.setWorkingText(sb.toString()); note.setWorkingText(sb.toString());
if (note.saveNote()) { if (note.saveNote()) {
// 更新保存note的信息
sp.edit().putBoolean(PREFERENCE_ADD_INTRODUCTION, true).commit(); sp.edit().putBoolean(PREFERENCE_ADD_INTRODUCTION, true).commit();
} else { } else {
Log.e(TAG, "Save introduction note error"); Log.e(TAG, "Save introduction note error");
@ -212,18 +223,21 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
startAsyncNotesListQuery(); startAsyncNotesListQuery();
} }
// 初始化资源
private void initResources() { 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()); mBackgroundQueryHandler = new BackgroundQueryHandler(this.getContentResolver());
mCurrentFolderId = Notes.ID_ROOT_FOLDER; 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), mNotesListView.addFooterView(LayoutInflater.from(this).inflate(R.layout.note_list_footer, null),
null, false); null, false);
mNotesListView.setOnItemClickListener(new OnListItemClickListener()); mNotesListView.setOnItemClickListener(new OnListItemClickListener());
mNotesListView.setOnItemLongClickListener(this); mNotesListView.setOnItemLongClickListener(this);
mNotesListAdapter = new NotesListAdapter(this); mNotesListAdapter = new NotesListAdapter(this);
mNotesListView.setAdapter(mNotesListAdapter); 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.setOnClickListener(this);
mAddNewNote.setOnTouchListener(new NewNoteOnTouchListener()); mAddNewNote.setOnTouchListener(new NewNoteOnTouchListener());
mDispatch = false; mDispatch = false;
@ -234,10 +248,11 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
mModeCallBack = new ModeCallback(); mModeCallBack = new ModeCallback();
} }
// 继承自ListView.MultiChoiceModeListener 和 OnMenuItemClickListener
private class ModeCallback implements ListView.MultiChoiceModeListener, OnMenuItemClickListener { private class ModeCallback implements ListView.MultiChoiceModeListener, OnMenuItemClickListener {
private DropdownMenu mDropDownMenu; private DropdownMenu mDropDownMenu;//删除菜单
private ActionMode mActionMode; private ActionMode mActionMode;
private MenuItem mMoveMenu; private MenuItem mMoveMenu;//移动菜单r
public boolean onCreateActionMode(ActionMode mode, Menu menu) { public boolean onCreateActionMode(ActionMode mode, Menu menu) {
getMenuInflater().inflate(R.menu.note_list_options, menu); getMenuInflater().inflate(R.menu.note_list_options, menu);
@ -262,7 +277,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
(Button) customView.findViewById(R.id.selection_menu), (Button) customView.findViewById(R.id.selection_menu),
R.menu.note_list_dropdown); R.menu.note_list_dropdown);
mDropDownMenu.setOnDropdownMenuItemClickListener(new PopupMenu.OnMenuItemClickListener(){ mDropDownMenu.setOnDropdownMenuItemClickListener(new PopupMenu.OnMenuItemClickListener(){
public boolean onMenuItemClick(MenuItem item) { public boolean onMenuItemClick(final MenuItem item) {
mNotesListAdapter.selectAll(!mNotesListAdapter.isAllSelected()); mNotesListAdapter.selectAll(!mNotesListAdapter.isAllSelected());
updateMenu(); updateMenu();
return true; return true;
@ -272,19 +287,20 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
return true; return true;
} }
// 更新菜单
private void updateMenu() { private void updateMenu() {
int selectedCount = mNotesListAdapter.getSelectedCount(); int selectedCount = mNotesListAdapter.getSelectedCount();
// Update dropdown menu // Update dropdown menu
String format = getResources().getString(R.string.menu_select_title, selectedCount); 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); MenuItem item = mDropDownMenu.findItem(R.id.action_select_all);
if (item != null) { if (item != null) {
if (mNotesListAdapter.isAllSelected()) { if (mNotesListAdapter.isAllSelected()) {
item.setChecked(true); item.setChecked(true);
item.setTitle(R.string.menu_deselect_all); item.setTitle(R.string.menu_deselect_all);//判断是否已经遍历完所有输入
} else { } else {
item.setChecked(false); item.setChecked(false);
item.setTitle(R.string.menu_select_all); item.setTitle(R.string.menu_select_all);//判断是否已经遍历完所有输入
} }
} }
} }
@ -303,14 +319,14 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
mNotesListAdapter.setChoiceMode(false); mNotesListAdapter.setChoiceMode(false);
mNotesListView.setLongClickable(true); mNotesListView.setLongClickable(true);
mAddNewNote.setVisibility(View.VISIBLE); mAddNewNote.setVisibility(View.VISIBLE);
} }//设置退出操作，设置选择模式
public void finishActionMode() { public void finishActionMode() {
mActionMode.finish(); mActionMode.finish();
} }
public void onItemCheckedStateChanged(ActionMode mode, int position, long id, public void onItemCheckedStateChanged(ActionMode mode, int position, long id,
boolean checked) { boolean checked) {
mNotesListAdapter.setCheckedItem(position, checked); mNotesListAdapter.setCheckedItem(position, checked);
updateMenu(); updateMenu();
} }
@ -328,14 +344,14 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
builder.setTitle(getString(R.string.alert_title_delete)); builder.setTitle(getString(R.string.alert_title_delete));
builder.setIcon(android.R.drawable.ic_dialog_alert); builder.setIcon(android.R.drawable.ic_dialog_alert);
builder.setMessage(getString(R.string.alert_message_delete_notes, builder.setMessage(getString(R.string.alert_message_delete_notes,
mNotesListAdapter.getSelectedCount())); mNotesListAdapter.getSelectedCount()));
builder.setPositiveButton(android.R.string.ok, builder.setPositiveButton(android.R.string.ok,
new DialogInterface.OnClickListener() { new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, public void onClick(DialogInterface dialog,
int which) { int which) {
batchDelete(); batchDelete();
} }
}); });
builder.setNegativeButton(android.R.string.cancel, null); builder.setNegativeButton(android.R.string.cancel, null);
builder.show(); builder.show();
break; break;
@ -369,7 +385,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
/** /**
* HACKME:When click the transparent part of "New Note" button, dispatch * HACKME:When click the transparent part of "New Note" button, dispatch
* the event to the list view behind this button. The transparent part of * 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<EFBFBD>
* and the line top of the button. The coordinate based on left of the "New * 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. * Note" button. The 94 represents maximum height of the transparent part.
* Notice that, if the background of the button changes, the formula should * Notice that, if the background of the button changes, the formula should
@ -416,7 +432,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
: NORMAL_SELECTION; : NORMAL_SELECTION;
mBackgroundQueryHandler.startQuery(FOLDER_NOTE_LIST_QUERY_TOKEN, null, mBackgroundQueryHandler.startQuery(FOLDER_NOTE_LIST_QUERY_TOKEN, null,
Notes.CONTENT_NOTE_URI, NoteItemData.PROJECTION, selection, new String[] { Notes.CONTENT_NOTE_URI, NoteItemData.PROJECTION, selection, new String[] {
String.valueOf(mCurrentFolderId) String.valueOf(mCurrentFolderId)
}, NoteColumns.TYPE + " DESC," + NoteColumns.MODIFIED_DATE + " DESC"); }, NoteColumns.TYPE + " DESC," + NoteColumns.MODIFIED_DATE + " DESC");
} }
@ -627,7 +643,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
values.put(NoteColumns.LOCAL_MODIFIED, 1); values.put(NoteColumns.LOCAL_MODIFIED, 1);
mContentResolver.update(Notes.CONTENT_NOTE_URI, values, NoteColumns.ID mContentResolver.update(Notes.CONTENT_NOTE_URI, values, NoteColumns.ID
+ "=?", new String[] { + "=?", new String[] {
String.valueOf(mFocusNoteDataItem.getId()) String.valueOf(mFocusNoteDataItem.getId())
}); });
} }
} else if (!TextUtils.isEmpty(name)) { } else if (!TextUtils.isEmpty(name)) {
@ -667,30 +683,38 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
}); });
} }
/* (non-Javadoc)
* @see android.app.Activity#onBackPressed()
* 按返回键时根据情况更改类中的数据
*/
@Override @Override
public void onBackPressed() { public void onBackPressed() { switch (mState) {
switch (mState) { case SUB_FOLDER:
case SUB_FOLDER: mCurrentFolderId = Notes.ID_ROOT_FOLDER;
mCurrentFolderId = Notes.ID_ROOT_FOLDER; mState = ListEditState.NOTE_LIST;
mState = ListEditState.NOTE_LIST; startAsyncNotesListQuery();
startAsyncNotesListQuery(); mTitleBar.setVisibility(View.GONE);
mTitleBar.setVisibility(View.GONE); break;
break; case CALL_RECORD_FOLDER:
case CALL_RECORD_FOLDER: mCurrentFolderId = Notes.ID_ROOT_FOLDER;
mCurrentFolderId = Notes.ID_ROOT_FOLDER; mState = ListEditState.NOTE_LIST;
mState = ListEditState.NOTE_LIST; mAddNewNote.setVisibility(View.VISIBLE);
mAddNewNote.setVisibility(View.VISIBLE); mTitleBar.setVisibility(View.GONE);
mTitleBar.setVisibility(View.GONE); startAsyncNotesListQuery();
startAsyncNotesListQuery(); break;
break; case NOTE_LIST:
case NOTE_LIST: super.onBackPressed();
super.onBackPressed(); break;
break; default:
default: break;
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) { private void updateWidget(int appWidgetId, int appWidgetType) {
Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE); Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE);
if (appWidgetType == Notes.TYPE_WIDGET_2X) { if (appWidgetType == Notes.TYPE_WIDGET_2X) {
@ -703,13 +727,16 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
} }
intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, new int[] { intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, new int[] {
appWidgetId appWidgetId
}); });
sendBroadcast(intent); sendBroadcast(intent);
setResult(RESULT_OK, 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() { private final OnCreateContextMenuListener mFolderOnCreateContextMenuListener = new OnCreateContextMenuListener() {
public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) { public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
if (mFocusNoteDataItem != null) { if (mFocusNoteDataItem != null) {
@ -729,6 +756,10 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
super.onContextMenuClosed(menu); 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 @Override
public boolean onContextItemSelected(MenuItem item) { public boolean onContextItemSelected(MenuItem item) {
if (mFocusNoteDataItem == null) { if (mFocusNoteDataItem == null) {
@ -737,10 +768,10 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
} }
switch (item.getItemId()) { switch (item.getItemId()) {
case MENU_FOLDER_VIEW: case MENU_FOLDER_VIEW:
openFolder(mFocusNoteDataItem); openFolder(mFocusNoteDataItem);//打开对应文件
break; break;
case MENU_FOLDER_DELETE: 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.setTitle(getString(R.string.alert_title_delete));
builder.setIcon(android.R.drawable.ic_dialog_alert); builder.setIcon(android.R.drawable.ic_dialog_alert);
builder.setMessage(getString(R.string.alert_message_delete_folder)); builder.setMessage(getString(R.string.alert_message_delete_folder));
@ -751,7 +782,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
} }
}); });
builder.setNegativeButton(android.R.string.cancel, null); builder.setNegativeButton(android.R.string.cancel, null);
builder.show(); builder.show();//显示对话框
break; break;
case MENU_FOLDER_CHANGE_NAME: case MENU_FOLDER_CHANGE_NAME:
showCreateOrModifyFolderDialog(false); showCreateOrModifyFolderDialog(false);
@ -821,12 +852,19 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
return true; return true;
} }
/* (non-Javadoc)
* @see android.app.Activity#onSearchRequested()
* 直接调用startSearch函数
*/
@Override @Override
public boolean onSearchRequested() { public boolean onSearchRequested() {
startSearch(null, false, null /* appData */, false); startSearch(null, false, null /* appData */, false);
return true; return true;
} }
/**
* 函数功能：实现将便签导出到文本功能
*/
private void exportNoteToText() { private void exportNoteToText() {
final BackupUtils backup = BackupUtils.getInstance(NotesListActivity.this); final BackupUtils backup = BackupUtils.getInstance(NotesListActivity.this);
new AsyncTask<Void, Void, Integer>() { new AsyncTask<Void, Void, Integer>() {
@ -869,16 +907,27 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
}.execute(); }.execute();
} }
/**
* @return
* 功能：判断是否正在同步
*/
private boolean isSyncMode() { private boolean isSyncMode() {
return NotesPreferenceActivity.getSyncAccountName(this).trim().length() > 0; return NotesPreferenceActivity.getSyncAccountName(this).trim().length() > 0;
} }
/**
* 功能：跳转到PreferenceActivity界面
*/
private void startPreferenceActivity() { private void startPreferenceActivity() {
Activity from = getParent() != null ? getParent() : this; Activity from = getParent() != null ? getParent() : this;
Intent intent = new Intent(from, NotesPreferenceActivity.class); Intent intent = new Intent(from, NotesPreferenceActivity.class);
from.startActivityIfNeeded(intent, -1); 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 { private class OnListItemClickListener implements OnItemClickListener {
public void onItemClick(AdapterView<?> parent, View view, int position, long id) { public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
@ -920,10 +969,13 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
} }
/**
* 查询目标文件
*/
private void startQueryDestinationFolders() { private void startQueryDestinationFolders() {
String selection = NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>? AND " + NoteColumns.ID + "<>?"; String selection = NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>? AND " + NoteColumns.ID + "<>?";
selection = (mState == ListEditState.NOTE_LIST) ? selection: 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, mBackgroundQueryHandler.startQuery(FOLDER_LIST_QUERY_TOKEN,
null, null,
@ -938,6 +990,12 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
NoteColumns.MODIFIED_DATE + " DESC"); 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) { public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) {
if (view instanceof NotesListItem) { if (view instanceof NotesListItem) {
mFocusNoteDataItem = ((NotesListItem) view).getItemData(); mFocusNoteDataItem = ((NotesListItem) view).getItemData();

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