Make "dismiss all" button keyboard accessible.

This allows users to hit Tab while in the notification pane and access
the Dismiss All icon, with a physical keyboard.

Bug: 22411158
Change-Id: I544bd3ccafcae210770317193099b26972d6a52b
(cherry picked from commit 10cb3105c79dd7de1f2cc9297b1d3b77598de8e3)

diff --git a/packages/SystemUI/res/layout/status_bar_notification_dismiss_all.xml b/packages/SystemUI/res/layout/status_bar_notification_dismiss_all.xml
index 6a000fd..dc7577a 100644 (file)
--- a/packages/SystemUI/res/layout/status_bar_notification_dismiss_all.xml
+++ b/packages/SystemUI/res/layout/status_bar_notification_dismiss_all.xml
@@ -27,6 +27,7 @@
             android:layout_width="48dp"
             android:layout_height="48dp"
             android:layout_gravity="end"
+            android:focusable="true"
             android:background="@drawable/ripple_drawable"
             android:contentDescription="@string/accessibility_clear_all"/>
 </com.android.systemui.statusbar.DismissView>