From: Caisking <Casiking@zhihuishixun.com>
Date: Sat, 13 Sep 2025 09:51:09 +0000 (+0800)
Subject: 增加下载星历UI
X-Git-Tag: leiniao_debug_1.0.0_20250922_020716~88^2~5
X-Git-Url: http://git.snicker.com.cn/css/static/gitweb.css?a=commitdiff_plain;h=14116d7041ac5d9dd7c5fd71e811ce5bdb6d7ba9;p=mirrors%2FFD230.git

增加下载星历UI
---

diff --git a/code/sdk/application/wearable/fd230/nativeapp/nativelauncher/include/AppViewIDs.h b/code/sdk/application/wearable/fd230/nativeapp/nativelauncher/include/AppViewIDs.h
index 3082cb721..24edf3aa2 100644
--- a/code/sdk/application/wearable/fd230/nativeapp/nativelauncher/include/AppViewIDs.h
+++ b/code/sdk/application/wearable/fd230/nativeapp/nativelauncher/include/AppViewIDs.h
@@ -87,6 +87,7 @@ typedef enum : uint16_t
   VIEW_SAVEELE,        // 省电模式
   VIEW_SAVEBAT,        // 省电模式界面
   VIEW_TAKEPHOTOS,     // 拍照界面
+  VIEW_EPHEMERIS_DOWNLOAD, // 下载星历
   VIEW_SLEEP,          // 睡眠界面
   VIEW_SET_CARD,       // 卡片管理
   VIEW_ADD_CARD,       // 添加卡片
diff --git a/code/sdk/application/wearable/fd230/nativeapp/nativelauncher/include/ui_resource_string.h b/code/sdk/application/wearable/fd230/nativeapp/nativelauncher/include/ui_resource_string.h
index f29fee73e..51aba65f9 100644
--- a/code/sdk/application/wearable/fd230/nativeapp/nativelauncher/include/ui_resource_string.h
+++ b/code/sdk/application/wearable/fd230/nativeapp/nativelauncher/include/ui_resource_string.h
@@ -1,15 +1,15 @@
-/*
-* Copyright (c) xxxxxxxx Technologies Co., Ltd. 2021-2021. All rights reserved.
-* Description: language
-* Author: Graphic develop team
-* Create: 2021-07-06
-*/
-
-#ifndef UI_RESOURCE_STRING_H
-#define UI_RESOURCE_STRING_H
-#include <cstdint>
-namespace OHOS {
-enum UIResourceTextId : uint16_t {
+/*
+* Copyright (c) xxxxxxxx Technologies Co., Ltd. 2021-2021. All rights reserved.
+* Description: language
+* Author: Graphic develop team
+* Create: 2021-07-06
+*/
+
+#ifndef UI_RESOURCE_STRING_H
+#define UI_RESOURCE_STRING_H
+#include <cstdint>
+namespace OHOS {
+enum UIResourceTextId : uint16_t {
     STR_EXERCISE_OUTDOORWALKING = 0,
     STR_EXERCISE_OUTDOORRUNNING = 1,
     STR_EXERCISE_OUTDOORBIKING = 2,
@@ -733,10 +733,11 @@ enum UIResourceTextId : uint16_t {
     STR_REGISTER_TIME = 720,
     STR_CHECKIN_GPS = 721,
     STR_WORKSYNC = 722,
-    STR_MAX_ID = 723,
+    STR_EPHEMERIS_DOWNLOAD = 723,
+    STR_MAX_ID = 724,
 }; // UIResourceTextId
-
-enum FontLanguageId : uint8_t {
+
+enum FontLanguageId : uint8_t {
     LANGUAGE_ID_AR,
     LANGUAGE_ID_AZ,
     LANGUAGE_ID_CS,
diff --git a/code/sdk/application/wearable/fd230/nativeapp/nativeui/ephemeris_download/include/EphemerisDownloadModel.h b/code/sdk/application/wearable/fd230/nativeapp/nativeui/ephemeris_download/include/EphemerisDownloadModel.h
new file mode 100644
index 000000000..319d643b9
--- /dev/null
+++ b/code/sdk/application/wearable/fd230/nativeapp/nativeui/ephemeris_download/include/EphemerisDownloadModel.h
@@ -0,0 +1,35 @@
+#ifndef EPHEMERIS_DOWNLOAD_MODEL_H
+#define EPHEMERIS_DOWNLOAD_MODEL_H
+
+
+#include <string>
+#include <cstring>
+
+namespace OHOS
+{
+    class EphemerisDownloadModel
+    {
+    public:
+        static EphemerisDownloadModel &GetInstance() {
+            static EphemerisDownloadModel model;
+            return model;
+        }
+        EphemerisDownloadModel();
+        ~EphemerisDownloadModel();
+        // 下载星历相关方法
+        void DownloadEphemeris();
+        bool GetEphemerisDownloadStatus();
+        std::string GetEphemerisValidityPeriod();
+        void SetEphemerisDownloadStatus(bool status);
+        void SetEphemerisValidityPeriod(const std::string &period);
+
+    private:
+        
+        // 星历相关状态
+        bool ephemerisDownloading{false};
+        bool ephemerisDownloaded{false};
+        std::string ephemerisValidityPeriod;
+    };
+
+} // OHOS
+#endif
diff --git a/code/sdk/application/wearable/fd230/nativeapp/nativeui/ephemeris_download/include/EphemerisDownloadPresenter.h b/code/sdk/application/wearable/fd230/nativeapp/nativeui/ephemeris_download/include/EphemerisDownloadPresenter.h
new file mode 100644
index 000000000..3aa651386
--- /dev/null
+++ b/code/sdk/application/wearable/fd230/nativeapp/nativeui/ephemeris_download/include/EphemerisDownloadPresenter.h
@@ -0,0 +1,31 @@
+#ifndef EPHEMERIS_DOWNLOAD_PRESENTER_H
+#define EPHEMERIS_DOWNLOAD_PRESENTER_H
+
+#include "components/ui_view.h"
+#include "key/include/KeyInputListener.h"
+#include "Presenter.h"
+#include "ephemeris_download/include/EphemerisDownloadModel.h"
+#include "ephemeris_download/include/EphemerisDownloadView.h"
+
+namespace OHOS
+{
+    class EphemerisDownloadModel;
+    class EphemerisDownloadView;
+    class EphemerisDownloadPresenter : public Presenter<EphemerisDownloadView, EphemerisDownloadModel>,
+                                      public UIView::OnClickListener,
+                                      public RootView::OnKeyActListener,
+                                      public UIView::OnDragListener
+    {
+    public:
+        EphemerisDownloadPresenter();
+        ~EphemerisDownloadPresenter();
+        EphemerisDownloadPresenter(const EphemerisDownloadPresenter &) = delete;
+        EphemerisDownloadPresenter &operator=(const EphemerisDownloadPresenter &) = delete;
+        void OnResume() override;
+        bool OnClick(UIView &view, const ClickEvent &event) override;
+        bool OnDrag(UIView &view, const DragEvent &event) override;
+        bool OnKeyAct(UIView &view, const KeyEvent &event) override;
+    };
+
+} // OHOS
+#endif
diff --git a/code/sdk/application/wearable/fd230/nativeapp/nativeui/ephemeris_download/include/EphemerisDownloadView.h b/code/sdk/application/wearable/fd230/nativeapp/nativeui/ephemeris_download/include/EphemerisDownloadView.h
new file mode 100644
index 000000000..16cfb1cc8
--- /dev/null
+++ b/code/sdk/application/wearable/fd230/nativeapp/nativeui/ephemeris_download/include/EphemerisDownloadView.h
@@ -0,0 +1,38 @@
+#ifndef EPHEMERIS_DOWNLOAD_VIEW_H
+#define EPHEMERIS_DOWNLOAD_VIEW_H
+
+#include "components/ui_button.h"
+#include "components/ui_label.h"
+#include "components/ui_view.h"
+#include "components/ui_view_group.h"
+#include "View.h"
+#include "components/ui_image_view.h"
+#include "components/ui_label_ext.h"
+#include "components/ui_label_button_ext.h"
+#include "ephemeris_download/include/EphemerisDownloadModel.h"
+
+namespace OHOS {
+class EphemerisDownloadPresenter;
+class EphemerisDownloadView : public View<EphemerisDownloadPresenter> {
+public:
+  EphemerisDownloadView();
+  ~EphemerisDownloadView() override;
+  EphemerisDownloadView(const EphemerisDownloadView &) = delete;
+  EphemerisDownloadView &operator=(const EphemerisDownloadView &) = delete;
+
+  void OnStart() override;
+  bool EphemerisDownloadInit();
+  void OnClick(UIView &view);
+
+private:
+  UILabelExt labelTitle_;
+  UILabelExt labelStatus_;
+  UILabelExt labelValidity_;
+  UILabelButtonExt btnDownload_;
+  UILabelButtonExt btnBack_;
+  UIImageView statusImage_;
+  UILabelExt labelNote_;
+};
+
+} // OHOS
+#endif
diff --git a/code/sdk/application/wearable/fd230/nativeapp/nativeui/ephemeris_download/src/EphemerisDownloadModel.cpp b/code/sdk/application/wearable/fd230/nativeapp/nativeui/ephemeris_download/src/EphemerisDownloadModel.cpp
new file mode 100644
index 000000000..5d74ffc33
--- /dev/null
+++ b/code/sdk/application/wearable/fd230/nativeapp/nativeui/ephemeris_download/src/EphemerisDownloadModel.cpp
@@ -0,0 +1,60 @@
+#include "ephemeris_download/include/EphemerisDownloadModel.h"
+
+#include "custom_runtime.h"
+#include "custom_utils.h"
+
+#include "wearable_log.h"
+
+namespace OHOS {
+
+EphemerisDownloadModel::EphemerisDownloadModel() {}
+
+EphemerisDownloadModel::~EphemerisDownloadModel() {}
+
+
+
+void EphemerisDownloadModel::DownloadEphemeris() {
+    if (ephemerisDownloading) {
+        WEARABLE_LOGD(WEARABLE_LOG_MODULE_APP, "星历正在下载中，请勿重复操作");
+        return;
+    }
+    
+    ephemerisDownloading = true;
+    ephemerisDownloaded = false;
+    
+    WEARABLE_LOGD(WEARABLE_LOG_MODULE_APP, "开始下载星历...");
+    
+    // 模拟下载过程（假接口）
+    // 在实际实现中，这里应该调用真正的下载接口
+    
+    // 模拟下载完成
+    ephemerisDownloading = false;
+    ephemerisDownloaded = true;
+    
+    // 设置有效期（模拟7天有效期）
+    time_t now = time(0);
+    time_t validUntil = now + (7 * 24 * 60 * 60); // 7天后
+    char buffer[32];
+    strftime(buffer, sizeof(buffer), "%Y-%m-%d", localtime(&validUntil));
+    ephemerisValidityPeriod = std::string(buffer);
+    
+    WEARABLE_LOGD(WEARABLE_LOG_MODULE_APP, "星历下载完成，有效期至: %s", ephemerisValidityPeriod.c_str());
+}
+
+bool EphemerisDownloadModel::GetEphemerisDownloadStatus() {
+    return ephemerisDownloaded;
+}
+
+std::string EphemerisDownloadModel::GetEphemerisValidityPeriod() {
+    return ephemerisValidityPeriod;
+}
+
+void EphemerisDownloadModel::SetEphemerisDownloadStatus(bool status) {
+    ephemerisDownloaded = status;
+}
+
+void EphemerisDownloadModel::SetEphemerisValidityPeriod(const std::string &period) {
+    ephemerisValidityPeriod = period;
+}
+
+} // namespace OHOS
diff --git a/code/sdk/application/wearable/fd230/nativeapp/nativeui/ephemeris_download/src/EphemerisDownloadPresenter.cpp b/code/sdk/application/wearable/fd230/nativeapp/nativeui/ephemeris_download/src/EphemerisDownloadPresenter.cpp
new file mode 100644
index 000000000..5705c3301
--- /dev/null
+++ b/code/sdk/application/wearable/fd230/nativeapp/nativeui/ephemeris_download/src/EphemerisDownloadPresenter.cpp
@@ -0,0 +1,58 @@
+#include "ephemeris_download/include/EphemerisDownloadPresenter.h"
+#include "ephemeris_download/include/EphemerisDownloadModel.h"
+#include "ephemeris_download/include/EphemerisDownloadView.h"
+
+#include "key/include/KeyInputListener.h"
+#include "common/key_code.h"
+#include "custom_utils.h"
+
+#include "AppViewIDs.h"
+#include "NativeAbility.h"
+
+#include "NativeRegisterManager.h"
+
+namespace OHOS {
+REGIST_SLICE(VIEW_EPHEMERIS_DOWNLOAD, EphemerisDownloadView, EphemerisDownloadPresenter);
+
+EphemerisDownloadPresenter::EphemerisDownloadPresenter() {
+    Attach(&EphemerisDownloadModel::GetInstance());
+}
+
+EphemerisDownloadPresenter::~EphemerisDownloadPresenter() {
+
+}
+
+void EphemerisDownloadPresenter::OnResume() {
+    RootView::GetInstance()->SetOnKeyActListener(this);
+}
+
+bool EphemerisDownloadPresenter::OnClick(UIView &view, const ClickEvent &event) {
+    WEARABLE_LOGD(WEARABLE_LOG_MODULE_APP, "EphemerisDownloadPresenter::OnClick");
+    view_->OnClick(view);
+    return true;
+}
+
+bool EphemerisDownloadPresenter::OnDrag(UIView &view, const DragEvent &event) {
+    WEARABLE_LOGD(WEARABLE_LOG_MODULE_APP, "EphemerisDownloadPresenter::OnDrag");
+    UNUSED(view);
+    if ((event.GetDragDirection() == DragEvent::DIRECTION_LEFT_TO_RIGHT) &&
+        (event.GetDeltaX() > X_DRAG_OFFSET) &&
+        (event.GetDeltaX() > (DOUBLES * MATH_ABS(event.GetDeltaY())))) {
+        NativeAbility::GetInstance().Back();
+    }
+    return true;
+}
+
+bool EphemerisDownloadPresenter::OnKeyAct(UIView &view, const KeyEvent &event) {
+    unsigned short keyID = event.GetKeyId();
+    unsigned short keyState = event.GetState();
+    // 如果是power键,且是亮屏状态，按键释放就返回上一级
+    if (keyID == static_cast<uint16_t>(ZliteKeyCode::ZLITE_KEY_POWER) &&
+        keyState == 1 && uapi_get_screen_state() == 0) {
+        // 回退
+        NativeAbility::GetInstance().Back();
+    }
+    return true;
+}
+
+} // namespace OHOS
diff --git a/code/sdk/application/wearable/fd230/nativeapp/nativeui/ephemeris_download/src/EphemerisDownloadView.cpp b/code/sdk/application/wearable/fd230/nativeapp/nativeui/ephemeris_download/src/EphemerisDownloadView.cpp
new file mode 100644
index 000000000..bedef180c
--- /dev/null
+++ b/code/sdk/application/wearable/fd230/nativeapp/nativeui/ephemeris_download/src/EphemerisDownloadView.cpp
@@ -0,0 +1,104 @@
+#include "ephemeris_download/include/EphemerisDownloadView.h"
+#include "ephemeris_download/include/EphemerisDownloadModel.h"
+#include "ephemeris_download/include/EphemerisDownloadPresenter.h"
+
+#include "UiConfig.h"
+#include "ui_resource_string.h"
+#include "components/ui_scroll_view.h"
+#include "wearable_log.h"
+
+namespace OHOS {
+
+EphemerisDownloadView::EphemerisDownloadView() {}
+
+EphemerisDownloadView::~EphemerisDownloadView() {}
+
+void EphemerisDownloadView::OnStart() {
+    if (!EphemerisDownloadInit()) {
+        WEARABLE_LOGE(WEARABLE_LOG_MODULE_APP, "EphemerisDownloadView::EphemerisDownloadInit fail");
+    }
+
+    GetRootContainer()->SetDraggable(true);
+    GetRootContainer()->SetPosition(0, 0, 466, 466);
+    GetRootContainer()->SetOnDragListener(presenter_);
+
+    GetRootContainer()->SetTouchable(true);
+}
+
+bool EphemerisDownloadView::EphemerisDownloadInit() {
+    // 初始化标题
+    labelTitle_.SetPosition(83, 50, 300, 60);
+    labelTitle_.SetFont(DEFAULT_VECTOR_FONT_FILENAME, 30);
+    labelTitle_.SetText("下载星历");
+    labelTitle_.SetLineBreakMode(UILabel::LINE_BREAK_ELLIPSIS);
+    labelTitle_.SetAlign(TEXT_ALIGNMENT_CENTER, TEXT_ALIGNMENT_CENTER);
+    AddViewToRootContainer(&labelTitle_);
+
+    // 初始化状态标签
+    labelStatus_.SetPosition(90, 120, 200, 40);
+    labelStatus_.SetFont(DEFAULT_VECTOR_FONT_FILENAME, 24);
+    labelStatus_.SetText("未下载");
+    labelStatus_.SetTextColor(Color::Yellow());
+    AddViewToRootContainer(&labelStatus_);
+
+    // 初始化有效期标签
+    labelValidity_.SetPosition(90, 170, 300, 40);
+    labelValidity_.SetFont(DEFAULT_VECTOR_FONT_FILENAME, 20);
+    labelValidity_.SetText("有效期: 无");
+    labelValidity_.SetTextColor(Color::GetColorFromRGBA(0xff, 0xff, 0xff, 0x7f));
+    AddViewToRootContainer(&labelValidity_);
+
+    // 初始化下载按钮
+    btnDownload_.SetPosition(50, 250, 300, 60);
+    btnDownload_.SetText("下载");
+    btnDownload_.SetFont(DEFAULT_VECTOR_FONT_FILENAME, 24);
+    btnDownload_.SetOnClickListener(presenter_);
+    AddViewToRootContainer(&btnDownload_);
+
+    // 初始化返回按钮
+    btnBack_.SetPosition(50, 350, 300, 60);
+    btnBack_.SetText("返回");
+    btnBack_.SetFont(DEFAULT_VECTOR_FONT_FILENAME, 24);
+    btnBack_.SetOnClickListener(presenter_);
+    AddViewToRootContainer(&btnBack_);
+
+    // 初始化说明标签
+    labelNote_.SetPosition(53, 420, 360, 40);
+    labelNote_.SetFont(DEFAULT_VECTOR_FONT_FILENAME, 18);
+    labelNote_.SetText("星历数据用于提高GPS定位精度");
+    labelNote_.SetTextColor(Color::GetColorFromRGBA(0xff, 0xff, 0xff, 0x5f));
+    AddViewToRootContainer(&labelNote_);
+
+    return true;
+}
+
+void EphemerisDownloadView::OnClick(UIView &view) {
+    const UILabelButtonExt *ptr = dynamic_cast<UILabelButtonExt *>(&view);
+    if (ptr == nullptr) {
+        return;
+    }
+    
+    if (ptr->GetViewId() == "downloadButton") {
+        EphemerisDownloadModel::GetInstance().DownloadEphemeris();
+        // 更新状态
+        bool isDownloaded = EphemerisDownloadModel::GetInstance().GetEphemerisDownloadStatus();
+        if (isDownloaded) {
+            labelStatus_.SetText("已下载");
+            labelStatus_.SetTextColor(Color::Green());
+        } else {
+            labelStatus_.SetText("未下载");
+            labelStatus_.SetTextColor(Color::Yellow());
+        }
+        
+        // 更新有效期
+        std::string validity = EphemerisDownloadModel::GetInstance().GetEphemerisValidityPeriod();
+        if (validity.empty()) {
+            labelValidity_.SetText("有效期: 无");
+        } else {
+            std::string text = "有效期: " + validity;
+            labelValidity_.SetText(text.c_str());
+        }
+    }
+}
+
+} // namespace OHOS
diff --git a/code/sdk/application/wearable/fd230/nativeapp/nativeui/settings/include/SettingModel.h b/code/sdk/application/wearable/fd230/nativeapp/nativeui/settings/include/SettingModel.h
index c8a4cd819..f5030e4bf 100644
--- a/code/sdk/application/wearable/fd230/nativeapp/nativeui/settings/include/SettingModel.h
+++ b/code/sdk/application/wearable/fd230/nativeapp/nativeui/settings/include/SettingModel.h
@@ -11,6 +11,7 @@
 
 #include <cstdint>
 #include <map>
+#include <string>
 #include "AppViewIDs.h"
 #include "components/ui_label_ext.h"
 #include "UiConfig.h"
diff --git a/code/sdk/application/wearable/fd230/nativeapp/nativeui/settings/src/SettingItemView.cpp b/code/sdk/application/wearable/fd230/nativeapp/nativeui/settings/src/SettingItemView.cpp
index b3a3a316e..1639678f6 100644
--- a/code/sdk/application/wearable/fd230/nativeapp/nativeui/settings/src/SettingItemView.cpp
+++ b/code/sdk/application/wearable/fd230/nativeapp/nativeui/settings/src/SettingItemView.cpp
@@ -60,11 +60,14 @@ namespace OHOS
             Icon.SetSrc(itemInfo.icon);
             settingLabelExt.SetVisible(true);
             settingLabelExt.SetPosition(SETTINGLABELEXT_X, SETTINGLABELEXT_Y, SETTINGLABELEXT_W, SETTINGLABELEXT_H);
-            if(itemInfo.textId != STR_SCREEN_OFF_DISPLAY){
-            settingLabelExt.SetTextId(itemInfo.textId);
+            if(itemInfo.textId == STR_SCREEN_OFF_DISPLAY){
+                settingLabelExt.SetText("息屏表盘");
+            }
+            else if(itemInfo.textId == STR_EPHEMERIS_DOWNLOAD){
+                settingLabelExt.SetText("星历下载");
             }
             else{
-            settingLabelExt.SetText("息屏表盘");
+                settingLabelExt.SetTextId(itemInfo.textId);
             }
             settingLabelExt.SetAlign(TEXT_ALIGNMENT_LEFT, TEXT_ALIGNMENT_CENTER);
             settingLabelButtonExt.SetVisible(true);
@@ -86,11 +89,17 @@ namespace OHOS
                 SetHeight(120);
             }
             settingLabelExt.SetPosition(SETTINGLABELEXT_X2, SETTINGLABELEXT_Y2, SETTINGLABELEXT_W2, SETTINGLABELEXT_H2);
-            if(itemInfo.textId != STR_SCREEN_OFF_DISPLAY){
+            if(itemInfo.textId == STR_SCREEN_OFF_DISPLAY){
+            settingLabelExt.SetText("息屏表盘");
+            }
+            else if(itemInfo.textId == STR_EPHEMERIS_DOWNLOAD){
+            settingLabelExt.SetText("星历下载");
+            }
+            else{
             settingLabelExt.SetTextId(itemInfo.textId);
             }
             else{
-            settingLabelExt.SetText("息屏表盘");
+            settingLabelExt.SetTextId(itemInfo.textId);
             }
             settingLabelExt.SetAlign(TEXT_ALIGNMENT_CENTER, TEXT_ALIGNMENT_CENTER);
             settingLabelButtonExt.SetVisible(false);
diff --git a/code/sdk/application/wearable/fd230/nativeapp/nativeui/settings/src/SettingModel.cpp b/code/sdk/application/wearable/fd230/nativeapp/nativeui/settings/src/SettingModel.cpp
index e6d9cc013..c661010e2 100644
--- a/code/sdk/application/wearable/fd230/nativeapp/nativeui/settings/src/SettingModel.cpp
+++ b/code/sdk/application/wearable/fd230/nativeapp/nativeui/settings/src/SettingModel.cpp
@@ -14,6 +14,8 @@
 #include "phoneservice/include/PhoneService.h"
 #include "bluetooth/include/BluetoothModel.h"
 #include "player/include/MusicPlayerSourceView.h"
+#include <ctime>
+#include <cstring>
 extern "C" {
 
 #include "custom_runtime.h"
@@ -45,6 +47,7 @@ namespace OHOS
         settings[index++] = {VIEW_ADD_CARD, PNG_SETTINGS_CARDSET_IMAGE, STR_CARD_MANAGEMENT, true};
         settings[index++] = {VIEW_SET_DIAL_STYLE, PNG_SETTINGS_CHANGEDIAL_IMAGE, STR_DIAL_BROWSING_SPECIAL_EFFECTS, true};
         settings[index++] = {VIEW_SAVEELE, PNG_SETTINGS_SAVEELE_IMAGE, STR_POWER_SAVE_MODE, true};
+        settings[index++] = {VIEW_EPHEMERIS_DOWNLOAD, PNG_SETTINGS_NETWORKANDCALL, STR_EPHEMERIS_DOWNLOAD, true};
         settings[index++] = {VIEW_SYSTEM, PNG_SETTINGS_SYSTEM, STR_SYSTEM, true};
         settings[index++] = {VIEW_INVALID, nullptr, STR_MAX_ID, false};
         usedLen = index;