telebot

telebot is a Telegram Bot API implementation for Dart, you can use this library to execute Telegram Bot API by easy ways, see Telegram Bot API in Telegram Bot Document.

Dart Version

How to Create A Bot ?

See here or follow steps below

Step 1. Add BotFather as Contact

All Telegram Bot's action is by talking with BotFather to complete, so you need to browse https://t.me/botfather to add BotFather as contact

Step 2. Talk with BotFather and Execute Command

Open Telegram and find BotFather, then send any message to him, he will tell you all what can he do

Step 3. Create A New Bot

Send /newbot to him and follow the steps, final you will create a bot

Step 4. Get API Token of Bot

Send /mybots to him then choose your bot, then choose option API Token, final you will get token

How to Use telebot ?

Create Bot

var bot = TelegramBot.init("BOT_TOKEN");

Send Message

var bot = TelegramBot.init("BOT_TOKEN");
bot.sendMessage(chateId: "CHAT_ID", text: "Hello World").then((Message messageResult){
  // got result  
}).catchError((error){
  // handle error
});

or use async/await

var bot = TelegramBot("BOT_TOKEN");
Message messageResult = await bot.sendMessage(chateId: "CHAT_ID", text: "Hello World");

Other APIs

All Telegram Bot API was implemented in telebot, see Telegram Bot Document.

Objects Field

var bot = TelegramBot("BOT_TOKEN");
await bot.sendMessage(
  chatId: "CHAT_ID",
  text: "Choose One!",
  replyMarkup: InlineKeyboardMarkup(
    inlineKeyboard: [
      [
        InlineKeyboardButton(text: "Apple", callbackData: "1000"),
        InlineKeyboardButton(text: "Banana", callbackData: "1001"),
      ]
    ],
  ),
);

InputFile or String Field

Now telebot only support String url.

Run with Webhook

Step 1. Initialize TelegramBot

var bot = TelegramBot.init(BOT_TOKEN);

Step 2. Listen Events

bot.onMessage((message)){
  if(message.from.isBot) return;
  message.reply("Hello! I'm a bot.");
}.onEditedMessage((message){
  // do something
});

TelegramBot supported events

EventParameter
onUpdateUpdate
onMessageMessage
onEditedMessageMessage
onChannelPostMessage
onEditedChannelPostMessage
onInlineQueryInlineQuery
onChosenInlineResultChosenInlineResult
onCallbackQueryCallbackQuery
onShippingQueryShippingQuery
onPreCheckoutQueryPreCheckoutQuery
onPollPoll
onPollAnswerPollAnswer

Step 3. Start Bot Server

bot.startServer(host: "YOUR SERVER HOST", port: SERVER_PORT);

Run Example

  1. Clone this project 
     git clone https://github.com/Arxing/dart-telebot.git
  2. Edit example/env.dart and input BOT_TOKEN, SERVER_PORT and WEBHOOK_URL
  3. Run example/update_webhook.dart to set bot's webhook url 
     dart ./example/update_webhook.dart
  4. Run example/start_bot_server.dart to start listening 
     dart ./example/start_bot_server.dart
  5. Now talk to your bot in Telegram, then it will reply you same message!

Libraries

telebot