引言
感谢您使用"你得糖尿病了吗？"（以下简称"本应用"）。本应用由个人开发者周炜峰（以下简称"我"或"开发者"）开发。我深知个人信息对您的重要性，并会尽全力保护您的个人信息安全可靠。
本隐私政策旨在向您清晰地说明本应用如何收集、使用、存储和保护您的个人信息。请您仔细阅读并充分理解本政策。
核心原则： 本应用的所有数据均存储在您的设备本地，绝不收集任何个人信息，绝不上传至任何服务器。
一、信息收集和使用
本应用不收集任何个人信息。
- 所有数据（包括饮食记录、糖分摄入量、健康目标、个人设置等）均仅存储在您的设备本地
- 本应用不需要联网权限，所有功能在离线状态下均可使用
- 本应用不会请求任何敏感权限（如通讯录、位置、相机等）
- 本应用不使用任何分析工具或SDK来跟踪用户行为
二、数据存储
- 存储位置： 所有数据仅保存在您的设备内部存储中，使用Android系统提供的安全存储机制
- 数据导出： 您可以通过应用内的"导出数据"功能将数据导出为TXT或CSV文件，这些文件会保存在您设备的下载目录中
- 数据删除： 卸载应用或清除应用数据会永久删除所有本地记录，建议您提前备份重要数据
三、权限说明
本应用不需要任何特殊权限。如果您使用的是Android 11及以上系统，应用可能会请求基本的存储权限用于导出数据，但您可以拒绝此权限，不影响核心功能使用。
四、第三方服务
本应用不使用任何第三方SDK、分析工具、广告服务或数据收集工具。您的数据不会与任何第三方共享。
五、数据安全
由于所有数据均存储在您的设备本地，数据安全完全由您设备的系统安全机制保障。建议您：
- 设置设备锁屏密码
- 定期更新设备系统
- 不从非官方渠道下载应用
- 定期备份重要数据
六、未成年人保护
本应用不会收集未成年人的任何信息。如您是未成年人，请在监护人指导下使用本应用。如监护人发现未成年人在未同意的情况下使用本应用，请通过下方联系方式联系我处理。
七、隐私政策更新
我可能会适时更新本隐私政策。更新时，会在应用内通过弹窗或公告方式通知您。重大变更会提供更显著的通知。建议您定期查看本页面了解最新政策。
八、联系我们
如果您对本隐私政策有任何疑问、意见或建议，请通过以下方式联系我：
最后更新：2026年3月1日
Introduction
Thank you for using "Sugar Tracker" (hereinafter referred to as "this App"). This App is developed by individual developer Weifeng Zhou (hereinafter referred to as "I" or "Developer"). I understand the importance of your personal information and am committed to protecting it securely.
This Privacy Policy aims to clearly explain how this App collects, uses, stores, and protects your personal information. Please read this policy carefully.
Core Principle: All data of this App is stored locally on your device. No personal information is collected, and nothing is uploaded to any server.
1. Information Collection and Use
This App does NOT collect any personal information.
- All data (including food records, sugar intake, health goals, personal settings) is stored only on your local device
- This App does not require internet permission - all features work offline
- This App does not request any sensitive permissions (contacts, location, camera, etc.)
- This App does not use any analytics tools or SDKs to track user behavior
2. Data Storage
- Storage Location: All data is stored in your device's internal storage using Android's secure storage mechanisms
- Data Export: You can export data as TXT or CSV files using the "Export Data" feature in the app. These files will be saved to your device's Downloads folder
- Data Deletion: Uninstalling the app or clearing app data will permanently delete all local records. Please back up important data in advance
3. Permissions
This App does not require any special permissions. If you're using Android 11+, the app may request basic storage permission for data export, but you can deny this permission without affecting core functionality.
4. Third-Party Services
This App does NOT use any third-party SDKs, analytics tools, advertising services, or data collection tools. Your data is never shared with any third parties.
5. Data Security
Since all data is stored locally on your device, data security is protected by your device's system security mechanisms. Recommendations:
- Set a lock screen password
- Keep your device system updated
- Only download apps from official sources
- Regularly back up important data
6. Children's Privacy
This App does not collect any information from children. If you are a minor, please use this App under parental guidance. If a parent/guardian discovers that a child is using this App without consent, please contact me using the information below.
7. Policy Updates
I may update this Privacy Policy from time to time. When updated, notifications will be provided through in-app popups or announcements. Significant changes will be highlighted. Please check this page periodically for the latest policy.
8. Contact Me
If you have any questions, comments, or suggestions regarding this Privacy Policy, please contact me:
Last Updated: Feb 1, 2026