This section provides details about the Support Library package releases.
+
Android Support Library, revision 21.0.3 (December 2014)
+
+
+
+ - Changes for v4 support library:
+ -
+
+ - Added several {@link android.support.v4.app.NotificationCompat.WearableExtender}
+ methods to improve the display of barcodes in notifications on wearable devices.
+
+ - {@link android.support.v4.app.NotificationCompat.WearableExtender#getHintScreenTimeout getHintScreenTimeout()}
+ - {@link android.support.v4.app.NotificationCompat.WearableExtender#setHintScreenTimeout setHintScreenTimeout()}
+ - {@link android.support.v4.app.NotificationCompat.WearableExtender#getHintAvoidBackgroundClipping getHintAvoidBackgroundClipping()}
+ - {@link android.support.v4.app.NotificationCompat.WearableExtender#setHintAvoidBackgroundClipping setHintAvoidBackgroundClipping()}
+
+
+
+
+
+
+
+
+
+
+
+
+ 
Android Support Library, revision 21.0.2 (November 2014)
+
+
+
+ - Changes for v4 support library:
+ -
+
+ - Added {@link android.support.v4.app.NotificationCompat.CarExtender}
+ class to support Android Auto extensions to notifications.
+
+
+ - Changes for v7 appcompat library:
+ -
+
+ - Added the {@link android.support.v7.widget.PopupMenu} constructor to support new popup
+ menus.
+ - Added support for a Collapse icon description in the {@link android.support.v7.widget.Toolbar}
+ class.
+ - Updated the {@link android.support.v7.widget.SearchView} widget to support displaying
+ the {@link android.support.v7.mediarouter.R.attr#commitIcon}.
+ - Removed the
buttonGravity attribute from the
+ {@link android.support.v7.widget.Toolbar} class.
+
+
+ - Changes for v7 cardview library:
+ -
+
+ - Added {@link android.support.v7.widget.CardView#setCardBackgroundColor} API to
+ support changing the background color of the {@link android.support.v7.widget.CardView}.
+ - Changed the {@link android.support.v7.widget.CardView} to more accurately report its
+ opacity value as {@link android.graphics.PixelFormat#TRANSLUCENT}.
+
+
+ - Changes for v7 recyclerview
+ library:
+ -
+
+ - Added {@link android.support.v7.widget.RecyclerView#TOUCH_SLOP_DEFAULT} and
+ {@link android.support.v7.widget.RecyclerView#TOUCH_SLOP_PAGING} constants
+ to the {@link android.support.v7.widget.RecyclerView} class
+ to support touch slop configurations for paging.
+
+
+ - Changes for v17 leanback library:
+ -
+
+ - Added support to generate v4 code fragments.
+ - Changed the secondary text color on {@link android.support.v7.widget.CardView}.
+
+
+
+
+
+
+ Android Support Library, revision 21.0.1 (November 2014)
+
+
+
+ - Added
+ multidex support library to support multiple
+ Dalvik Executable (DEX) files
+ for multi-dex file support prior to Android 5.0.
+
+
+
+