Android 2.3 vs安卓2.3.3——比较Android 2.3and 2.3.3 Performance, Speed and Features
Android 2.3 and Android 2.3.3 are Android mobile operating system versions code named as Gingerbread. Android 2.3 is a major release which has many additional features compared to Android 2.2 (FroYo). It was released in December 2010. Some of the important features include Near Field Communication (NFC), support for SIP calls, support multiple cameras and a new user interface. Android is the first operating system to incorporate NFC feature. Android 2.3.3 is a small upgrade to Android 2.3 (Gingerbread). The difference between Android 2.3 and Android 2.3.3 is small, only there are few feature improvements and API upgrades for developers. The upgrades are mainly on NFC (Near Field Communication) and Bluetooth. NFC is a useful technology in M-commerce that is expected to replace many types of cards we carry for transactions and can be used in ticketing and many other applications as well. The new API level assigned to Android 2.3.3 is 10.
| Android 2.3.3中的其他功能API Level 10 Release: January 2011 |
1.改进和扩展NFC的支持 - 这使应用程序可以与更多类型的标签进行交互，并以新的方式访问它们。新的API包括更广泛的标签技术，并允许有限的同行进行对等通信。 Also it has a feature for developers to request Android Market to not to show their applications to users if the device does not support NFC. In Android 2.3 when an application is called by a user and if the device does not support NFC it returns a null object. 2. Support for Bluetooth non-secure socket connections – this allows applications to communicate even with devices that is not having UI for authentication. 3.添加了用于剪辑图像和功能部分的应用程序的新位图区域解码器。 4. Unified interface for media – to retrieve frame and metadata from input media file. 5. New fields for specifying AMR-WB and ACC formats. 6.添加了用于语音识别API的新常数 - 这支持开发人员在其应用中显示语音搜索结果的不同视图。 |
Android 2.3 is a major release on December 2010. This incorporated many new features and added feature improvement to Android 2.2.
| Android 2.3（姜饼） API Level 9 发布：2010年12月 |
| . User Features: 1.新的用户界面在黑色背景中具有简单而有吸引力的主题，旨在使外观生动，同时也具有效率。更改菜单和设置以便于导航。 2. Redesigned soft keyboard is optimized for quicker and accurate text input and editing. And the word being edited and dictionary suggestion is vivid and easy to read. 3. Multi touch key cording to input number and symbols without changing input mode 4.选择单词和复制/粘贴变得容易。 5.通过应用程序控制改善电源管理。 6. Provide user awareness on power consumption. Users can view how the battery is used and which consume more. 7. Internet呼叫 - 支持通过SIP帐户向其他用户的SIP呼叫 8. Support Near-field communication (NFC) – high frequency high speech data transfer within a short range (10 cm). This will be useful feature in m commerce. 9. A new download manager facility that supports easy storage and retrieval of downloads 10. Support for multiple cameras . |
| . For Developers 1.并发垃圾收集器，以最大程度地减少应用程序的停顿并支持增加响应性游戏，例如应用程序。 2. Touch and keyboard events handled better which minimizes the CPU utilization and Improve responsiveness, this feature is beneficial for 3D games and CPU intensive applications. 3.使用更新的第三方视频驱动程序进行更快的3D图形性能 4. Native input and sensor events 5. New sensors including gyroscope is added for improved 3D motion processing 6. Provide Open API for audio controls and effects from native code. 7.接口管理图形上下文。 8.本地访问活动生命周期和窗口管理。 9. Native access to assets and storage 10. Android NDK提供强大的本地开发环境。 11. Near Field Communication 12.基于SIP的Internet通话 13. New audio effects API to create rich audio environment by adding reverb, equalization, headphone virtualization, and bass boost 14. Built in support for video formats VP8, WebM, and audio formats AAC, AMR-WB 15.支持多摄像头 16. Support for extra large screen . |
| Android 2.3 Devices Google Nexus S, Nexus S 4G, HTC Cha Cha, HTC Salsa, Samsung Galaxy S II (Galaxy S2), LG Optimus 3D, Sony Ericsson Xperia Arc, Sony Ericsson Xperia neo, Sony Ericsson Xperia pro, Sony Ericsson Xperia mini, Sony Ericsson Xperia Play, Motorola Droid Bionic Tablets: HTC Flyer, HTC Evo View 4G |
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