am 9f9d7350: Merge "Announce wallpaper selection for accessibility" into jb-ub-now-indigo-rose

* commit '9f9d735028d430d266e4b2f287be0830ee132f4d':
  Announce wallpaper selection for accessibility

res/values/strings.xml

@@ -41,6 +41,8 @@
     <!-- Accessibility string used as a label for a particular wallpaper in the Wallpaper Picker list.
          e.g. "Wallpaper 3 of 10" -->
     <string name="wallpaper_accessibility_name">Wallpaper %1$d of %2$d</string>
+    <!-- Accessibility string used to announce that an item has been selected. -->
+    <string name="announce_selection">Selected <xliff:g id="label" example="Wallpaper 3 of 10">%1$s</xliff:g></string>
 
     <!-- Label on button to delete wallpaper(s) -->
     <string name="wallpaper_delete">Delete</string>

src/com/android/launcher3/WallpaperPickerActivity.java

@@ -52,6 +52,7 @@ import android.view.View.OnClickListener;
 import android.view.ViewGroup;
 import android.view.ViewTreeObserver;
 import android.view.ViewTreeObserver.OnGlobalLayoutListener;
+import android.view.accessibility.AccessibilityEvent;
 import android.view.animation.DecelerateInterpolator;
 import android.widget.BaseAdapter;
 import android.widget.FrameLayout;
@@ -254,6 +255,10 @@ public class WallpaperPickerActivity extends WallpaperCropActivity {
                     }
                     mSelectedThumb = v;
                     v.setSelected(true);
+                    // TODO: Remove this once the accessibility framework and
+                    // services have better support for selection state.
+                    v.announceForAccessibility(
+                            getString(R.string.announce_selection, v.getContentDescription()));
                 }
                 info.onClick(WallpaperPickerActivity.this);
             }