46 lines
3.8 KiB
Markdown
46 lines
3.8 KiB
Markdown
# DiPlay
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**CarPlay for compatible Android head units.** Wired and wireless, with the familiar DiAuto interface. Independent app: `com.shihab.diplay`.
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[Download & website](https://shihabal3amri.github.io/DiPlay/) · [Release](https://github.com/shihabal3amri/DiPlay/releases/tag/v0.2.0) · [Report a problem](https://github.com/shihabal3amri/DiPlay/issues/new/choose)
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## 0.2.0 — public preview
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Install on the **car**, not the iPhone. No jailbreak, dongle, Mac, account or authentication server is required for use. ADB is not needed during everyday use; your head unit must permit APK installation. Wireless supports Wi-Fi Direct or the car’s existing hotspot; Wi-Fi Direct requires Android 10+; the APK supports Android 9+ for wired use.
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- Wired USB and wireless CarPlay with local authentication.
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- BYD HUD navigation with arrows, distance and street names on verified firmware.
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- Car hotspot support, improved audio buffering and saved receive diagnostics.
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- Automatic address discovery, fixed-channel Wi-Fi fallbacks and successful-configuration memory.
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- Icon/text size, resolution and frame rate; applying a display change reconnects CarPlay.
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- Local diagnostic export. Reports are sent only if you choose to share them.
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- Separate installation alongside DiAuto. Run one projection app at a time.
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This is **not an Apple-certified product**. The APK bundles an experimental accessory identity recovered from public Carlinkit firmware, not a newly provisioned MFi identity for DiPlay. A bundled private key is extractable. Acceptance after future iOS updates, reliability across head units and suitability of that identity for general distribution are unresolved. This release invites community testing; it is not a guarantee of universal compatibility.
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The release changes were tested on the development DiLink5.1 car: live windshield guidance and street names work, Car hotspot now starts CarPlay, and Wi-Fi Direct performance is substantially improved. Occasional audio cutouts remain and are deferred to a later update. Broader head-unit and iOS compatibility is not guaranteed. The HUD firmware scope and cleanup limits are documented in [BYD navigation](docs/BYD_NAVIGATION.md).
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## Documentation
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- [Install and connect](docs/INSTALL.md)
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- [Compatibility and troubleshooting](docs/COMPATIBILITY.md)
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- [Privacy and diagnostic reports](docs/PRIVACY.md)
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- [Build from source](docs/BUILD.md)
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- [Validation](docs/VALIDATION.md)
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- [Release notes](CHANGELOG.md)
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- [Credits and licenses](docs/THIRD_PARTY_NOTICES.md)
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The website is available in English, Arabic, Russian, Spanish and Simplified Chinese. The current app interface is English.
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## Source and credits
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Based on [xcertplay](https://github.com/shilapi/xcertplay), GPL-3.0. The home/settings UI and website adapt [DiAuto](https://github.com/shihabal3amri/DiAuto), AGPL-3.0; that license is included in `docs/licenses`. Preserve those notices when distributing modifications. CarPlay and its icon belong to Apple Inc.; no Apple or BYD affiliation or endorsement is implied.
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This repository starts with a clean public source snapshot. Local research, tester reports and release-signing secrets are excluded. The complete source corresponding to the APK is provided with every release; experimental runtime identity assets are described separately in the build instructions and notices.
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## Local release packaging
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The release APK intentionally contains the experimental accessory identity. The Git repository and source archive exclude all accessory and Android signing keys; tests generate synthetic identities at runtime. Source/CI builds omit runtime identity assets by default. Local release builds explicitly select an external asset directory. Publishing the APK makes its bundled identity extractable; building locally does not preserve that identity's confidentiality.
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