Libraries

Linux Kernel

Android was created on the open-source kernel of Linux. One main reason for choosing this kernel was that it provided proven core features on which to develop the Android operating system. The features of the Linux kernel are:...

Libraries:

Running on top of the kernel, the Android framework was developed with various features. It consists of various C/C++ core libraries with numerous open-source tools. Some of these are:...

Android Runtime

It is the third section of the architecture. It provides one of the key components which is called Dalvik Virtual Machine. It acts like Java Virtual Machine which is designed especially for Android. Android uses its own custom VM designed to ensure that multiple instances run efficiently on a single device....

Application Framework

The Android team has built on a known set of proven libraries, built in the background, and all of it is exposed through Android interfaces. These interfaces wrap up all the various libraries and make them useful for the Developer. They don’t have to build any of the functionality provided by the android. Some of these interfaces include:...

Applications:

Android applications can be found at the topmost layer. At the application layer, we write our application to be installed on this layer only. Examples of applications are Games, Messages, Contacts, etc....