Android overview

2026-02-28

This document provides a detailed introduction to the system environment based on Android 14 development, including system features, version descriptions, and related function introductions.

Android concept

Android is an open-source operating system based on the Linux kernel, primarily used for mobile devices (such as smartphones and tablets), but also widely applied to smart TVs, automotive systems, smartwatches, IoT devices, and more.

Basic definition

  • Operating system type: A mobile operating system designed specifically for touchscreen devices (such as smartphones and tablets).
  • Open-Source nature: Adopts an open-source license, allowing its source code to be freely obtained, modified, and distributed.
  • Kernel foundation: Built on the Linux kernel, inheriting the stability and security of Linux system.

Key features

  • User interface: Intuitive touchscreen graphical interface supporting multi-touch operations, with customizable home screens and widgets.
  • App ecosystem: Offers a vast number of applications via Google Play Store, supports third-party app stores, and primarily uses Java and Kotlin programming languages for development.
  • Hardware compatibility: Supports multiple device types (phones, tablets, TVs, watches, etc.), adapts to different manufacturers' hardware configurations, and features a well-designed hardware abstraction layer.
  • Service integration: Deeply integrates Google services (such as Gmail, Google Maps, YouTube, etc.), and provides rich APIs for developers.

System features

The system environment based on Android 14 has the following key features:

  • Enhanced privacy protection: Introduces stricter privacy control mechanisms, including limiting background apps' access to sensitive data such as clipboard, photos, and videos.
  • Optimized notification system: Supports more flexible notification permission management, allowing users to set notification policies for specific apps.
  • Modernized user interface: Adopts Material You 3 design language, providing a more personalized and consistent user experience.
  • Stronger performance optimization: Further optimizes ART runtime, improving app startup speed and system responsiveness.
  • Enhanced multitasking: Enhances support for split-screen and foldable devices, providing smoother multitasking interaction experiences.
  • Comprehensive 64-bit support: Completely removes support for 32-bit apps, focusing on 64-bit architecture optimization.
  • Enhanced security mechanisms: Strengthens app sandbox mechanisms, and introduces new security patches and vulnerability fix mechanisms.

Version description

The current Android 14 version maintains the original layered architecture design from the previous generation but introduces targeted optimizations at each level.

  • Linux kernel layer: Upgrades to the latest stable version, enhancing hardware compatibility and system stability.
  • Hardware abstraction layer (HAL): Adapts to new generation hardware interface standards, supporting more new sensors and peripherals.
  • System library layer: Updates core library version, adding support for modern multimedia formats.
  • Android runtime (ART): Optimizes garbage collection mechanism, reducing memory usage and battery consumption.
  • Application framework layer: Extends APIs functionality, providing more convenient development interfaces.
  • Application layer: Pre-installed optimized core applications, enhancing overall user experience.

More features

Please go to User manual to experience more features.

Quick access