app.Activity class control android activity lifecycle. Android runtime and native libraries use Linux kernel. All the applications such as contact, home, games, settings, and browsers are using the android framework that uses android runtime and libraries. Applications: There are applications that are placed on top of the Android framework.It also provides a lot of classes and interfaces for android application development. Android framework includes Android APIs such as UI (User Interface), resources, telephony, locations, package managers, and content providers (data). Android Framework: Android framework is placed on top of native libraries and android runtime.It consumes less memory and provides fast performance. DVM is like JVM, but it is optimized for mobile devices. Android Runtime: There are core libraries and DVM (Dalvik Virtual Machine) which is responsible for running android applications in android runtime.The WebKit library is responsible for browser support SQLite is used for maintaining databases FreeType is used for font support Media for playing and recording audio and video formats. Native Libraries (middleware): WebKit, OpenGL, FreeType, SQLite, Media, C runtime library (libs), etc are examples of Native libraries.Linux kernel is responsible for power management, device management, resource access, and device drivers. It exists at the root of android architecture. Linux kernel: It is considered the heart of android architecture.Java language is mainly used to write the android code even though other languages can be used.Īndroid software stacks are divided into 5 parts: The main goal of the android project is to create a successful real-world product that improves the mobile experience for end-users. Android Studio is a tool that enables work on android development, a software project, and Linux based operating system for mobile devices such as tablet computers and smartphones.
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