android Framework Engineer Interview Questions and Answers

Data flows from user application to driver in Android device through various layers of the Android framework, including the application framework, system services, and the Linux kernel.

• User application makes a request to the Android framework API.

• The Android framework forwards the request to the appropriate system service.

• The system service communicates with the Linux kernel to interact with the device driver.

• The device driver processes the request and sends back the response...read more

Content providers are components in Android that manage access to a structured set of data

• Content providers are used to share data between different applications

• They provide a standard interface for accessing data

• Content providers can be used to store and retrieve data from databases, files, or the web

Extending existing HAL involves adding new functionality to an existing Hardware Abstraction Layer in Android framework.

• Understand the existing HAL interface and its functionalities

• Identify the new functionality to be added

• Implement the new functionality in the HAL implementation

• Test the extended HAL to ensure compatibility and functionality

• Update any dependent components or modules