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CW Pharma LSPosed Module & Target App Codebase Map

IMPORTANT INSTRUCTIONS TO AI AGENTS

  • READ THIS FILE FIRST before making any edits to understand the structure of the module and the target app.
  • UPDATE THIS FILE after every session if you add new features, files, or change the architecture.
  • Keep the Tree Structure below up to date with new features and files.
  • Append a Change Log entry at the very end of this file documenting what you changed and why.

Architecture & Features Tree

Below is the structure of the LSPosed module and the key files in the decompiled target app.

LSPosed-PDFSaver/app/src/main/java/com/cwpdf/saver/
├── MainHook.java (385 lines)
├── MainActivity.java (29 lines)

Target App (com.appx.core) Key Files:
com/appx/core/
├── activity/
│   ├── PdfViewerActivity.java - Old PDF viewer, takes "url" or "uri" intent extra
│   ├── NewPDFViewerActivity.java - New PDF viewer
│   ├── CourseActivity.java - Main course display
│   ├── FolderCourseTabContentsActivity.java - Displays contents of a folder, passes "isPurchased"
│   └── NewTestTitleActivity.java - Test series
├── model/ - Data models holding "isPaid" flag
│   ├── CourseModel.java - getIsPaid() returns String ("1" for paid)
│   ├── FolderCourseModel.java - isPaid() returns int (1 for paid)
│   ├── TestSeriesModel.java - getIsPaid() returns String ("1" for paid)
│   └── MyCourseStudyModel.java - getIsPaid() returns String

CHANGE LOG

AI agents: append changes here after every session. Format: ## [YYYY-MM-DD] - Short description Then bullet list exact files changed and a one-line reason.

[2026-06-19] - IPC & UI Redesign for Module App

  • Added PdfDatabaseHelper and PdfContentProvider: Set up IPC so the target app's hook can securely send intercepted PDF data to the module app.
  • Added PdfAdapter and redesigned activity_main.xml: Transformed the module's MainActivity into a dashboard that lists all intercepted PDFs, allowing direct downloads.
  • Extracted DownloadEngine: Moved all OkHttp download and AES/XOR decryption logic out of MainHook and into a shared utility for the UI to use.
  • Updated MainHook: Replaced the UI injection logic with syncPdfToModule(), which silently pushes intercepted PDFs to the module's ContentProvider.