android:theme="@android:style/Theme.Holo.Light"

<LinearLayoutxmlns:android="http://schemas.android.com/apk/res/android"android:orientation="vertical"android:layout_width="match_parent"android:layout_height="wrap_content" > <TextViewxmlns:android="http://schemas.android.com/apk/res/android"android:id="@android:id/text1"android:layout_width="match_parent"android:layout_height="?android:attr/listPreferredItemHeight"android:textAppearance="?android:attr/textAppearanceLarge"android:gravity="center_vertical"android:paddingLeft="5dip"android:singleLine="true" /> <TextViewandroid:id="@+id/date"android:layout_width="wrap_content"android:layout_height="wrap_content"android:textAppearance="?android:attr/textAppearanceLarge"android:gravity="center_vertical"android:paddingLeft="5dip"android:textColor="#708090"android:textSize="20dp"android:singleLine="true"/> </LinearLayout> 

privatestaticfinalString[] PROJECTION = newString[]{NotePad.Notes._ID, // 0NotePad.Notes.COLUMN_NAME_TITLE, // 1NotePad.Notes.COLUMN_NAME_CREATE_DATE }; 

String[] dataColumns ={NotePad.Notes.COLUMN_NAME_TITLE ,NotePad.Notes.COLUMN_NAME_CREATE_DATE} ;

int[] viewIDs ={android.R.id.text1 ,R.id.date};

SimpleDateFormatformatter = newSimpleDateFormat ("yyyy-MM-dd HH:mm:ss"); DatecurDate = newDate(System.currentTimeMillis()); Stringdate = formatter.format(curDate); values.put(NotePad.Notes.COLUMN_NAME_CREATE_DATE,date); 

<menuxmlns:android="http://schemas.android.com/apk/res/android"> <itemandroid:id="@+id/menu_search"android:icon="@drawable/search1"android:title="@string/menu_add"android:alphabeticShortcut="s"android:showAsAction="always" /> <!-- Thisisouronestandardapplicationaction (creatinganewnote). --> <itemandroid:id="@+id/menu_add"android:icon="@drawable/ic_menu_compose"android:title="@string/menu_add"android:alphabeticShortcut='a'android:showAsAction="always" /> <!-- Ifthereiscurrentlydataintheclipboard, thisaddsaPASTEmenuitemtothemenusothattheusercanpasteinthedata.. --> <itemandroid:id="@+id/menu_paste"android:icon="@drawable/ic_menu_compose"android:title="@string/menu_paste"android:alphabeticShortcut='p' /> </menu>

privateSearchViewsearchView;

privatevoidsetSearchView(Menumenu){//1.找到menuItem并动态设置SearchViewMenuItemitem = menu.getItem(0); searchView = newSearchView(this); item.setActionView(searchView); //2.设置搜索的背景为白色if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH){item.collapseActionView()} searchView.setQuery("", false); //searchView.setBackgroundResource(R.drawable.ic_menu_edit);//3.设置为默认展开状态，图标在外面searchView.setIconifiedByDefault(true); searchView.setQueryHint("Search"); searchView.setOnQueryTextListener(newSearchView.OnQueryTextListener(){@OverridepublicbooleanonQueryTextSubmit(Stringquery){if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH){searchView.onActionViewCollapsed()} returnfalse} @OverridepublicbooleanonQueryTextChange(StringnewText){if (!TextUtils.isEmpty(newText)){Cursorcursor = managedQuery( getIntent().getData(), // Use the default content URI for the provider.PROJECTION, // Return the note ID and title for each note.NotePad.Notes.COLUMN_NAME_TITLE + " LIKE '%" + newText + "%' ", // 相当于where语句null, // No where clause, therefore no where column values.NotePad.Notes.DEFAULT_SORT_ORDER// Use the default sort order. ); finalString[] dataColumn ={NotePad.Notes.COLUMN_NAME_CREATE_DATE, NotePad.Notes.COLUMN_NAME_TITLE}; // The view IDs that will display the cursor columns, initialized to the TextView in// noteslist_item.xmlint[] viewID ={R.id.date,android.R.id.text1}; SimpleCursorAdapteradapter1 = newSimpleCursorAdapter( NotesList.this, // The Context for the ListViewR.layout.noteslist_item, // Points to the XML for a list itemcursor, // The cursor to get items fromdataColumn, viewID ); //重新setListAdaptersetListAdapter(adapter1)} else{//恢复默认setListAdaptersetListAdapter(adapter)} returnfalse} })}

publicbooleanonCreateOptionsMenu(Menumenu){// Inflate menu from XML resourceMenuInflaterinflater = getMenuInflater(); inflater.inflate(R.menu.list_options_menu, menu); setSearchView(menu); // Generate any additional actions that can be performed on the// overall list. In a normal install, there are no additional// actions found here, but this allows other applications to extend// our menu with their own actions.Intentintent = newIntent(null, getIntent().getData()); intent.addCategory(Intent.CATEGORY_ALTERNATIVE); menu.addIntentOptions(Menu.CATEGORY_ALTERNATIVE, 0, 0, newComponentName(this, NotesList.class), null, intent, 0, null); returnsuper.onCreateOptionsMenu(menu)}

<itemandroid:id="@+id/bg"android:title="Background"android:alphabeticShortcut="b" />

<LinearLayoutxmlns:android="http://schemas.android.com/apk/res/android"android:orientation="horizontal"android:layout_width="match_parent"android:layout_height="100dp"> <TextViewandroid:layout_width="match_parent"android:layout_height="match_parent"android:background="#E1FFFF"android:id="@+id/LightCyan"android:clickable="true"android:layout_weight="1"/> <TextViewandroid:layout_width="match_parent"android:layout_height="match_parent"android:background="#FFC0CB"android:id="@+id/Pink"android:layout_weight="1"/> <TextViewandroid:layout_width="match_parent"android:layout_height="match_parent"android:background="#87CEFA"android:id="@+id/LightSkyBlue"android:layout_weight="1"/> <TextViewandroid:layout_width="match_parent"android:layout_height="match_parent"android:background="#F8F8FF"android:id="@+id/GhostWhite"android:layout_weight="1"/> </LinearLayout>

privateSharedPreferencesbg; privateStringpreferencescolor;

privatevoidputColor(Stringcolor){SharedPreferencespreferences = getSharedPreferences("preferences", Context.MODE_PRIVATE); SharedPreferences.Editoreditor = preferences.edit(); editor.putString("color", color); editor.commit()}

bg = getSharedPreferences("preferences", Context.MODE_PRIVATE); preferencescolor=bg.getString("color", ""); //设置Listview的背景色if(preferencescolor.equals("")){getListView().setBackgroundColor(Color.parseColor("#FFFFFF"))} else{getListView().setBackgroundColor(Color.parseColor(preferencescolor))}

publicbooleanonOptionsItemSelected(MenuItemitem){switch (item.getItemId()){caseR.id.menu_add: /* * Launches a new Activity using an Intent. The intent filter for the Activity * has to have action ACTION_INSERT. No category is set, so DEFAULT is assumed. * In effect, this starts the NoteEditor Activity in NotePad. */startActivity(newIntent(Intent.ACTION_INSERT, getIntent().getData())); returntrue; caseR.id.menu_paste: /* * Launches a new Activity using an Intent. The intent filter for the Activity * has to have action ACTION_PASTE. No category is set, so DEFAULT is assumed. * In effect, this starts the NoteEditor Activity in NotePad. */startActivity(newIntent(Intent.ACTION_PASTE, getIntent().getData())); returntrue; //Background的点击事件caseR.id.bg: finalAlertDialogalertDialog = newAlertDialog.Builder(NotesList.this).create(); alertDialog.show(); Windowwindow = alertDialog.getWindow(); window.setContentView(R.layout.color); TextViewcolor_LightCyan = (TextView)alertDialog.getWindow().findViewById(R.id.LightCyan); TextViewcolor_Pink = (TextView)alertDialog.getWindow().findViewById(R.id.Pink); TextViewcolor_LightSkyBlue = (TextView)alertDialog.getWindow().findViewById(R.id.LightSkyBlue); TextViewcolor_GhostWhite = (TextView)alertDialog.getWindow().findViewById(R.id.GhostWhite); color_LightCyan.setOnClickListener(newView.OnClickListener(){@OverridepublicvoidonClick(Viewv){preferencescolor="#E1FFFF"; getListView().setBackgroundColor(Color.parseColor(preferencescolor)); putColor(preferencescolor); alertDialog.dismiss()} }); color_Pink.setOnClickListener(newView.OnClickListener(){@OverridepublicvoidonClick(Viewv){preferencescolor="#FFC0CB"; getListView().setBackgroundColor(Color.parseColor(preferencescolor)); putColor(preferencescolor); alertDialog.dismiss()} }); color_LightSkyBlue.setOnClickListener(newView.OnClickListener(){@OverridepublicvoidonClick(Viewv){preferencescolor="#87CEFA"; getListView().setBackgroundColor(Color.parseColor(preferencescolor)); putColor(preferencescolor); alertDialog.dismiss()} }); color_GhostWhite.setOnClickListener(newView.OnClickListener(){@OverridepublicvoidonClick(Viewv){preferencescolor="#F8F8FF"; getListView().setBackgroundColor(Color.parseColor(preferencescolor)); putColor(preferencescolor); alertDialog.dismiss()} }); returntrue; default: returnsuper.onOptionsItemSelected(item)} }