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The Android 3.1 platform adds a variety of refinements to make the user interface more intuitive and more efficient to use.
Connectivity for USB accessories
Android 3.1 adds broad platform support for a variety of USB-connected peripherals and accessories.
Expanded Recent Apps list
For improved multitasking and instant visual access to a much larger number of apps, the Recent Apps list is now expandable.
Resizeable Home screen widgets
For more flexible Home screen customization, users can now resize their Home screen widgets using drag bars provided by the system.
Support for external keyboards and pointing devices
Users can now attach almost any type of external keyboard or mouse to their Android-powered devices, to create a familiar environment and work more efficiently
Support for joysticks and gamepads
To make the platform even better for gaming, Android 3.1 adds support for most PC joysticks and gamepads that are connected over USB or Bluetooth HID.
Robust Wi-Fi networking
Android 3.1 adds robust Wi-Fi features, to make sure that users and their apps can take full advantage of higher-speed Wi-Fi access at home, at work, and while away.
Updated set of standard apps
The Browser app includes a variety of new features and UI improvements that make viewing web content simpler, faster, and more convenient.
The Gallery app now supports Picture Transfer Protocol (PTP), so that users can connect their cameras over USB and import their pictures to Gallery with a single touch.
The Contacts app now lets you locate contacts more easily using full text search. Search returns matching results from all fields that are stored for a contact.
When replying or forwarding an HTML message, The Email app now sends both plain text and HTML bodies as a multi-part mime message. This ensures that the message will be formatted properly for all recipients.
Users can now configure an HTTP proxy for each connected Wi-Fi access point. This lets administrators work with users to set a proxy hostname, port, and any bypass subdomains.
Android 3.1 includes a variety of performance optimizations that help make applications faster and more responsive. Some of the optimizations include:
A new LRU cache class lets applications benefit from efficient caching. Applications can use the class to reduce the time spent computing or downloading data from the network, while maintaining a sensible memory footprint for the cached data.
The UI framework now supports partial invalidates in hardware-accelerated Views, which makes drawing operations in those Views more efficient.
A new graphics method, setHasAlpha(), allows apps to hint that a given bitmap is opaque. This provides an extra performance boost for some types of blits and is especially useful for applications that use ARGB_8888 bitmaps.
Повече – тук http://developer.android.com/sdk/android-3.1.html
OTA-та вече се появи, различни юзери докладват, че са ъпдейтнали…
При мен още я няма, но и да дойде няма да мога да я инсталирам преди да се върна към сток…
Като я инсталирам ще пиша повече…