Course Content

Course Content


Application components are the building blocks of the application. It is usually made up of three parts: Presentation, Business Logic, and Data Access. Presentation component is responsible for rendering data on the screen. Business logic component takes care of what data to show on the screen by taking input from various sources like user’s preferences, parameters passed in URL, session state etc. Data access component retrieves and stores data from various sources like database or web services.

Application components are a type of software that is used to create applications. They are a collection of modules that can be assembled to create an application.

The benefits of using application components include the following:

  • Easier code maintenance
  • Reduced development time
  • Improved quality due to modularity and standardization

Application components are a set of classes that provide a framework for developing Android apps. They are the building blocks for any Android application and they provide the framework for building an app by dividing it into manageable pieces. The components include Activities, Services, Content Providers, and Broadcast Receivers.

  • An Application Component is a custom object that you can use to represent any data.
  • We can create an Application Component by dragging it from the Palette and dropping it onto the Canvas.
  • Application Components are dragged onto the Canvas, which is where we design our application.
  • Application Components are custom objects that we can use to represent any data.
  • We can create an Application Component by dragging it from the Palette and dropping it onto the Canvas.

  • Android application components include Activities, Services, Content Providers and Broadcast Receivers. These components work together to provide the functionality of an Android app.
  • Activities are the building blocks of an Android app and they can be thought of as screens or pages. They are responsible for providing the user interface and handling interactions with the user. Services are background processes that can perform long-running operations or tasks in the background without interfering with other apps. Content Providers store and manage data locally on a device. They can be used by multiple applications and they provide a consistent way for apps to share data with each other. Broadcast Receivers receive messages from system events such as an incoming phone call or SMS message which allow them to react to certain events in different ways.

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