Differences Between Fragment and Activity in Android

In Android, Fragments and Activities are essential components used to build dynamic and interactive user interfaces. Here are the key differences between a Fragment and an Activity:

Activity:

• Acts as the entry point for interacting with the user.
• Represents a single, standalone user interface screen.
• Managed by the system and can be moved between different states, such as paused or stopped.
• Can exist independently and perform actions, such as launching other Activities or Fragments.
• Typically have a corresponding layout file defining the UI elements.

Fragment:

• Represents a portion of a user interface or behavior that can be combined with other Fragments in an Activity.
• Can be dynamically added or removed from an Activity at runtime.
• Allows for modularization and reusability of UI components.
• Can hold its own layout and lifecycle callbacks, independent of the hosting Activity.
• Can communicate with other Fragments and the hosting Activity via interfaces.

Overall, Fragments offer greater flexibility and modularity for building complex user interfaces and interactions, while Activities serve as the foundational building blocks for managing the app's overall flow and navigation.