Common Telegram Classes

Links to commonly used Telegram classes

It is recommended to have a local copy of Telegram sources, opened in Android Studio.

LaunchActivity

View on GitHub

Path: TMessagesProj/src/main/java/org/telegram/ui/LaunchActivity.java

That's where app initialization happens. Custom links are handled here as well.

ProfileActivity

View on GitHub

Path: TMessagesProj/src/main/java/org/telegram/ui/ProfileActivity.java

User and channel profile fragment.

ChatActivity

View on GitHub

Path: TMessagesProj/src/main/java/org/telegram/ui/ChatActivity.java

Chat rendering and functionality.

MessageObject

View on GitHub

Path: TMessagesProj/src/main/java/org/telegram/messenger/MessageObject.java

Wrapper for TLRPC.Message.

ChatMessageCell

View on GitHub

Path: TMessagesProj/src/main/java/org/telegram/ui/Cells/ChatMessageCell.java

Handles message rendering.

AndroidUtilities

View on GitHub

Path: TMessagesProj/src/main/java/org/telegram/messenger/AndroidUtilities.java

Contains a lot of useful utilities.

MessagesController

View on GitHub

Path: TMessagesProj/src/main/java/org/telegram/messenger/MessagesController.java

Contains all methods related to managing app state and Telegram requests.

MessagesStorage

View on GitHub

Path: TMessagesProj/src/main/java/org/telegram/messenger/MessagesStorage.java

Manages local database state. You may use database field to execute custom SQLite queries.

SendMessagesHelper

View on GitHub

Path: TMessagesProj/src/main/java/org/telegram/messenger/SendMessagesHelper.java

Contains methods for sending all kind of messages, including files.

BulletinFactory

View on GitHub

Path: TMessagesProj/src/main/java/org/telegram/ui/Components/BulletinFactory.java

Bulletins are small notification messages displayed on the bottom.

AlertDialog

View on GitHub

Path: TMessagesProj/src/main/java/org/telegram/ui/ActionBar/AlertDialog.java

Alert dialogs are shown on top of current fragment. They support custom handlers on action buttons.

TLRPC (all Telegram request models)

Path: TMessagesProj/src/main/java/org/telegram/tgnet

• TLRPC.java
• Additional models

Human-readable list: https://corefork.telegram.org/schema (not always up-to-date)