Android Security Features

The video tutorial explains Android's robust security measures at the OS level, focusing on the Linux kernel's mandatory application sandbox. It covers secure interprocess communication, application signing, and user-granted permissions. Android applications are restricted to accessing only their own files and any world-accessible resources due to the sandbox nature. Additional fine-grained access rights, known as permissions, can be granted to applications for enhanced functionality. These permissions are defined in the Android Manifest XML file and are inspected during application installation. Once granted, permissions cannot be revoked, although explicit user confirmation may be required for certain features.

What happens during the application install time regarding permissions?

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What is required for some features even if the application has been granted permissions?

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