PDFTwinPage

Loooooong

About this app

This app lets two devices read a PDF book together over Bluetooth. One device shows left pages, the other shows right pages, just like a real book.

Tap the left device to go back two pages, tap the right device to go forward two pages, just like flipping through a real book.

Open source repository: https://github.com/cortalo/pdfreader

Setup (Do this once):

Pair both devices in Android Bluetooth settings first

Device 1 (Server):
1. Open the app
2. Grant Bluetooth permissions if asked
3. Tap "Start Server"
4. Wait for "Device connected!" message

Device 2 (Client):
1. Open the app
2. Grant Bluetooth permissions if asked
3. Tap "Select Device"
4. Choose the server device from the list
5. Wait for "Connected!" message

Both Devices:
1. Tap "Open PDF Reader"
2. Select the same PDF file
3. Start reading together!

Reading:
1. Left device shows odd pages (1, 3, 5...)
2. Right device shows even pages (2, 4, 6...)
3. Tap left device to go back, tap right device to go forward

What’s new

Add settings functionality with dual reading modes

- Add SettingsActivity with two reading modes: Odd/Even and Sequential
- Implement instant settings changes without app restart
- Add long-press gesture and menu access to settings
- Support real-time mode synchronization between devices
- Mode 1: Odd/Even pages with 2-page navigation (original)
- Mode 2: Sequential pages with 1-page navigation (new)