With the release of Nexus One and the upgrade of HTC magic G2 to Android 2.1, Google began to provide Android 2.1 SDK download today.
Major API changes:
1. Live wallpapers
1. added the package Android. Service. wallpaper.
2. added the wallpaperinfo class.
3. Updated the wallpapermanager class.
2. Call Management Telephony
1. The new signalstrength class provides detailed information about the current mobile network signal. You only need to call the onsignalstrengthschanged (signalstrength) callback method.
2. added the data link status change information. The GPRS status can be obtained through the ondataconnectionstatechanged (INT, INT) method callback.
3. View views
1. isopaque () and ondrawscrollbars (canvas) are added to the View class. Method
2. addview (INT, remoteviews) and removeallviews (INT) are added to the remoteviews class. Method
3. Added ischildrendrawingorderenabled () and setchildrendrawingorderenabled (Boolean) to the viewgroup class ).
Iv. Web Kit
1. webstorage class provides multiple web storage database operations
2. When obtaining the location information geolocation, webview requires the geolocationpermissions permission to obtain the location information of the user ..
3. Added websettings settings for managing cache, Web storage, and screen scaling.
4. The webchromeclient method can control video, history, cache, and other operations.
Android SDK 2.1 (50.08 mb html format)
Android 2.1 SDK Download Method
1. SDK setup (recommended for most users) the setup SDK automatic upgrade tool. For how to use the android SDK setup tool, see how to use the android SDK setup tool?
Two independent manual update package download (77.31 MB, recommended advanced user manual update) other related download: Android 2.1 SDK Linux version Android for Windows USB driver Device Driver reprint: http://dev.chinamobile.com/cmdn/wiki/index.php? Doc-view-1952.html