PL 400 : Describe the PCF component lifecycle (Create a Power Apps Component Framework (PCF) component)

The Microsoft Power Apps component framework enables us to create reusable code components that can be used with our Power Apps applications. This framework  empowers professional developers to build code components when out-of-the-box components do not fit the needs of app makers. These code components can be used to enhance the user experience for users working with data on forms, views, dashboards and canvas app screens.

PCF stands Power Apps Component Framework

These code components are presented as part of the same context and loaded in the same way as any other components and can be used across the full breadth of Power Apps capabilities, and these components can be reused. Is. Developers can bundle all HTML, CSS and TypeScript files into a single solution package file and transfer across environments and also make it available through AppSource.

The following types of components we can add:

  • Field: A custom control for a field on a form.
  • Dataset: A custom control to display rows of data


Component based development always emphasizes on separation of concern and reuse based approach to define, implement and compose loosely coupled independent components in the system. Such frameworks provide well-defined interfaces and sets of protocols to establish collaboration and ensure the interoperability of their components within the scope of a given framework.
The code components are solution aware and can be imported into the Microsoft Dataverse environment by such solutions. For this activity, the user must be in the role of either a system administrator or a system customizer. They can configure the column, sub-grid, view, and dashboard sub-grids to be used in place of the default components. Those code components can be used in both model-driven and canvas apps.

Code components consist of three elements:

  1. Manifest
  2. Component implementation
  3. Resources
Power Apps Component Framework Architecture:

PCF components deliver great visualizations for similar data and provide better usability for end users. For developing such components, we need to understand about the life cycle of this framework. Such PCF components are rendered as HTML in the browser under a CRM form. Below are the four major methods we need to understand what it does and where we need to use each of them. These methods are implemented through the framework runtime process.


When developing a component, it is expected to implement the StandardControl  interface methods. This interface provides a consistent way for the hosting app to interact with the component. These above methods allow the hosting runtime to manage the lifecycle of the code component.


Conclusion:

Power Apps components are built on top of a robust framework that supports modern web practices and these components support React and Angular type client frameworks. This framework only works on Unified Interface and not the legacy web client. This is not currently supported for on-premises environments. The Power Apps component framework enables professional developers and app makers to code components for model-driven and canvas apps.

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