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QR Code Bot

This example shows how to program a Telegram Bot that can generate QrCode images from text and extract text from QrCode Images.

Run

mkdir build && cd build
cmake .. -DCMAKE_BUILD_TYPE=Release
make -j8
./qrcode_bot YOUR_BOT_TOKEN

How to create a new Bot and obtain its private token ?

  1. Open the Telegram mobile app and search BotFather
  2. Send BotFather a command /newbot
  3. Follow instructions to create a new Bot
  4. After you finish the instructions, you will receive a Bot Token, make sure you keep it secured.

Encode (Text to QRCode Image)

Encode

Decode (QRCode Image to Text)

Decode