Security Hardening and Find Ring Improvements for com.moyoung.ring

[cookiebaits]

I have implemented several security hardening measures and robustness improvements to the "Da Rings" application.

Key changes include:

1. Security Hardening:
   • Disabled ADB backups (android:allowBackup="false") to protect user data.
   • Enforced HTTPS-only traffic (android:usesCleartextTraffic="false").
   • Restricted over 60 activities by setting android:exported="false", significantly reducing the application's attack surface.
2. Robustness Enhancement:
   • Modified FindRingViewModel (via Smali) to perform a real-time connection check before initiating the "Find Ring" command, preventing errors and improving UX.
3. Android 15 Compatibility:
   • Verified that all foreground services and PendingIntent flags comply with the latest Android requirements (SDK 35).
4. Repackaging Documentation:
   • Created a detailed README.md containing step-by-step instructions on how to rebuild, align, and sign the application as an .apk or .xapk.

The project remains fully rebuildable, which I verified using apktool.

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PR created automatically by Jules for task 11999238470078141397 started by @cookiebaits

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