Add the capability to set a pinned header to SettingsPreferenceFragment

- add a FrameLayout into the preference list fragment
- add public void setPinnedHeaderView(View pinnedHeader) and
clearPinnedHeaderView() APIs for adding and clearing the pinned header

Change-Id: I50ba5dd150167e0d49cc54bee1203f46db6d7a66

1 files changed, 8 insertions, 1 deletions

diff --git a/res/layout/preference_list_fragment.xml b/res/layout/preference_list_fragment.xml
index 8391641..a44535f 100644
--- a/res/layout/preference_list_fragment.xml
+++ b/res/layout/preference_list_fragment.xml
@@ -20,10 +20,15 @@
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
       android:id="@+id/container_material"
       android:orientation="vertical"
-      android:layout_height="match_parent"
       android:layout_width="match_parent"
+      android:layout_height="match_parent"
       android:background="@android:color/transparent">
 
+    <FrameLayout android:id="@+id/pinned_header"
+                 android:layout_width="match_parent"
+                 android:layout_height="wrap_content"
+                 android:visibility="gone" />
+
     <ListView android:id="@android:id/list"
               style="@style/PreferenceFragmentListSinglePane"
               android:layout_width="match_parent"
@@ -59,6 +64,7 @@
                 android:layout_alignParentStart="true"
                 android:text="@*android:string/back_button_label"
                 />
+
         <LinearLayout
                 android:orientation="horizontal"
                 android:layout_width="wrap_content"
@@ -79,6 +85,7 @@
                     android:layout_margin="5dip"
                     android:text="@*android:string/next_button_label"
                     />
+
         </LinearLayout>
 
     </RelativeLayout>