More accessibility improvements

Add missing content description and increase tap target sizes.

Fixes: 129216367
Fixes: 129226741
Fixes: 129216366
Change-Id: I0692891f720cfd963fc58a834d43ff7c9d5ad157
diff --git a/res/layout/clock_preview_card.xml b/res/layout/clock_preview_card.xml
index 63c55e1..5128dda 100644
--- a/res/layout/clock_preview_card.xml
+++ b/res/layout/clock_preview_card.xml
@@ -18,7 +18,8 @@
     xmlns:android="http://schemas.android.com/apk/res/android"
     style="@style/FullContentPreviewCard"
     android:layout_width="match_parent"
-    android:layout_height="match_parent">
+    android:layout_height="match_parent"
+    android:focusable="true">
 
     <ImageView
         android:id="@+id/clock_preview_image"
diff --git a/res/layout/fragment_theme_picker.xml b/res/layout/fragment_theme_picker.xml
index e20c5f9..ffc2d7b 100644
--- a/res/layout/fragment_theme_picker.xml
+++ b/res/layout/fragment_theme_picker.xml
@@ -51,6 +51,7 @@
                 android:layout_height="wrap_content"
                 android:layout_alignParentStart="true"
                 android:layout_centerVertical="true"
+                android:minHeight="@dimen/min_taptarget_height"
                 android:text="@string/keep_my_wallpaper"/>
             <Button
                 android:id="@+id/apply_button"
diff --git a/res/values/dimens.xml b/res/values/dimens.xml
index d27b142..f17f344 100644
--- a/res/values/dimens.xml
+++ b/res/values/dimens.xml
@@ -87,4 +87,6 @@
 
     <!-- For a corner radius of this size or larger, we'll preview a rounded qsb widget. -->
     <dimen name="roundCornerThreshold">16dp</dimen>
+
+    <dimen name="min_taptarget_height">48dp</dimen>
 </resources>
diff --git a/res/values/strings.xml b/res/values/strings.xml
index db85aaa..28adb79 100755
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -60,6 +60,9 @@
     <!-- Sample text used to show a preview of a selected font [CHAR LIMIT=3] -->
     <string name="theme_font_example">ABC</string>
 
+    <!-- Content description for previewing a style, describing each of their components. [CHAR_LIMIT=NONE] -->
+    <string name="theme_description">Font: <xliff:g name="font_name">%1$s</xliff:g>, icons: <xliff:g name="icon_name">%2$s</xliff:g>, shape: <xliff:g name="shape_name">%3$s</xliff:g>, color: <xliff:g name="color_name">%4$s</xliff:g> </string>
+
     <!-- Plus sign used to indicate that the user can add a custom theme -->
     <string name="add_custom_theme" translatable="false">+</string>
 
@@ -167,4 +170,7 @@
         instead of their customly defined one. The button dismisses the dialog and goes back to the
         previous screen. [CHAR_LIMIT=16]  -->
     <string name="no_thanks">No, thanks</string>
+
+    <!-- Content description for a screen showing the preview of a clock face. [CHAR_LIMIT=NONE] -->
+    <string name="clock_preview_content_description"><xliff:g name="clock_name">%1$s</xliff:g> clock preview</string>
 </resources>