1.5的新特性: New FeaturesFor a list of new system features, see the Android 1.5 Platform Highlights document.
API ChangesOverview UI framework Framework for easier background/UI thread interaction New SlidingDrawer widget New HorizontalScrollview widget AppWidget framework APIs for creating secure home screen AppWidgets. For information about how to use AppWidgets, see the Developer's Guide AppWidgets documentation. Also see Introducing home screen widgets and the AppWidget framework on the Android Developer's Blog. APIs for populating Live Folders with custom content. Media framework Raw audio recording and playback APIs Interactive MIDI playback engine Video recording APIs for developers (3GP format) Video and photo sharing Intents Media search Intent Input Method framework Input Method Service framework Text-prediction engine Ability to provide downloadable IMEs to users Application-defined hardware requirements Applications can now use a new element in their manifest files, <uses- configuration> to indicate to the Android system what hardware features they require in order to function properly. For example, an application might use the element to specify that it requires a physical keyboard or a particular navigation device, such as a trackball. Prior to installing the application, the Android system checks the attributes defined for the <uses-configuration> element and allows the installation to continue only if the required hardware is present. Speech recognition framework Support for using speech recognition libraries via Intent. See RecognizerIntent. Miscellaneous API additions LocationManager - Applications can get location change updates via Intent WebView - Touch start/end/move/cancel DOM event support Redesigned Sensor Manager APIs GLSurfaceView - convenience framework for creating OpenGL applications Broadcast Intent for app update install succeeded - for smoother app upgrade experience API Change Details For a detailed view of API changes in this platform (API Level 3), see the API Differences Report. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Beginners" group. To post to this group, send email to android-beginners@googlegroups.com To unsubscribe from this group, send email to android-beginners-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-beginners?hl=en -~----------~----~----~----~------~----~------~--~---