Android 2.1 is a minor platform release deployable to Android-powered handsets starting in January 2010. This release includes new API changes and bug fixes. For information on changes, see the Framework API section.
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For developers, the Android 2.1 platform is available as a downloadable component for the Android SDK. The downloadable platform includes a fully compliant Android library and system image, as well as a set of emulator skins, sample applications, and more. The downloadable platform includes no external libraries.
To get started developing or testing against the Android 2.1 platform, use the Android SDK and AVD Manager tool to download the platform into your SDK
Android 2.0 Platform Highlights
The Android 2.0 platform introduces many new and exciting features for users and developers. This document provides a glimpse at some of the new features and technologies in Android 2.0.
Contacts and accounts
- Multiple accounts can be added to a device for email and contact synchronization, including Exchange accounts. (Handset manufacturers can choose whether to include Exchange support in their devices.)
- Developers can create sync adapters that provide synchronization with additional data sources.
- Quick Contact for Android provides instant access to a contact's information and communication modes. For example, a user can tap a contact photo and select to call, SMS, or email the person. Other applications such as Email, Messaging, and Calendar can also reveal the Quick Contact widget when you touch a contact photo or status icon.
- Exchange support.
- Combined inbox to browse email from multiple accounts in one page.
Messaging
- Search functionality for all saved SMS and MMS messages.
- Auto delete the oldest messages in a conversation when a defined limit is reached.
Camera
- Built-in flash support
- Digital zoom
- Scene mode
- White balance
- Color effect
- Macro focus
Android virtual keyboard
- An improved keyboard layout to makes it easier to hit the correct characters and improve typing speed.
- The framework's multi-touch support ensures that key presses aren't missed while typing rapidly with two fingers.
- A smarter dictionary learns from word usage and automatically includes contact names as suggestions.
Browser
- Refreshed UI with actionable browser URL bar enables users to directly tap the address bar for instant searches and navigation.
- Bookmarks with web page thumbnails.
- Support for double-tap zoom.
- Support for HTML5:
- Database API support, for client-side databases using SQL.
- Application cache support, for offline applications.
- Geolocation API support, to provide location information about the device.
<video>tag support in fullscreen mode.
Calendar
- Agenda view provides infinite scrolling.
- Events indicate the attending status for each invitee.
- Invite new guests to events.