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The Dalvik virtual machine is a register-based virtual machine, designed and written by Dan Bornstein with contributions from other Google engineers as part of the Android mobile phone platform.ĭVM is highly optimized for low memory requirements and is designed to allow multiple VM instances to run at once, relying on the underlying operating system for process isolation, memory management, and threading support. Some components of this layer are as follows:Īndroid runtime environment consists of the Dalvik Virtual machine and the Core Java libraries. These libraries are coded in C and C++ programming languages for performance. This layer provides the capabilities to handle different types of data and information. The main components of the Linux Kernel layer are as follows:Īndroid native libraries layer is on top of the Linux Kernel layer. Drivers are programs written to communicate with the physical hardware device. The mobile device hardware drivers are handled by the Linux kernel layer. It provides the interaction of the hardware with the software components. This layer is the bottom layer that is close to the physical device hardware. Linux kernel is the main component layer in the Android architecture. The main layers of the Android architecture stack are as follows: Android architecture is a software stack that consists of different components in different layers.

It will show the traffic for https (port 443). If it helps your mind, run the following command to see the TCP traffic.