同济大学计算机前沿技术概论 第6章_智能手机.ppt

Android ArchitectureLibraries Android includes a set of C/C++ libraries used by various components of the Android system. Surface Manager - manages access to the display subsystem and seamlessly composites 2D and 3D graphic layers from multiple applications Media Libraries - support playback and recording of many popular audio and video formats, as well as static image file FreeType - bitmap and vector font rendering SQLite - a powerful and lightweight relational database engine available to all applications Android ArchitectureApplication Framework Android will ship with a set of core applications including an email client, SMS program, calendar, maps, browser, contacts, and others. All applications are written using Java. Underlying all applications is a set of services and systems * Most of the CPU used in smart phones today are based on ARM architecture ARM is used in all types of embedded systems. * * Access facebook * 计算机前沿技术概论 同济大学 计算机科学与技术 教学内容 第1章 导言 第2章 网络新技术 第3章 信息检索和语义Web 第4章 人工智能的必威体育精装版进展 第5章 服务计算与服务科学的发展 第6章 移动计算及其应用 第7章 普适计算与泛在智能 第8章 云计算与智慧地球 第9章 计算机认知 第10章 量子计算与生物计算 Smart Phone Overview 1 Hardware 2 Software Platform Services and Applications 4 3 Evolution of Cell Phones OK chief, I’ll get on it right away! Date 1983 1989 1996 2005 Model: DynaTAC MicroTAC StarTAC Razor V3 Size: high 10 inches 25cm 9 inches 3.9 inches 3.7 inches Weight: 28 ounces 793g 12.3 ounces 4.3 ounces 3.3 ounces Talk Time: 2 hr 3 hr 5 hr Stand by Time: 24 hr 60 hr 170 hr Picture source: Wikipedia Personal Digital Assistants Personal Digital Assistants PDA’s are personal handheld computers. They are used to keep schedules, and have features that include: Typewriting Address Book Calendar Picture source: Wikipedia PDA vs. Cell Phone Both PDAs and Cell Phones are popular, but there is a difference between the two devices. The cell phone’s main function is making phone calls On the other hand the PDA is more of a information st