Make enter advance navigation or sign in

 Bug: 3487066
 Also cleaned up the layout

Change-Id: Iaa471ff8fcd793381cb98416493dcf707cbecc29
diff --git a/res/layout/http_authentication.xml b/res/layout/http_authentication.xml
index cee3a42..856c45c 100644
--- a/res/layout/http_authentication.xml
+++ b/res/layout/http_authentication.xml
@@ -14,49 +14,48 @@
      limitations under the License.
 -->
 
-<TableLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
-    android:gravity="center_horizontal"
     android:orientation="vertical"
     >
 
     <TextView 
-        android:id="@+id/username_view"
         android:layout_height="wrap_content"
         android:layout_width="wrap_content"
         android:text="@string/username"
-        android:gravity="left"
         android:layout_marginTop="12dip"
         android:layout_marginLeft="20dip"
         android:layout_marginRight="20dip" />
             
     <EditText
         android:id="@+id/username_edit"
+        android:layout_height="wrap_content"
+        android:layout_width="match_parent"
         android:scrollHorizontally="true"
         android:inputType="text"
-        android:gravity="fill_horizontal"
-        android:layout_weight="1"
         android:layout_marginLeft="20dip"
         android:layout_marginRight="20dip"
-        android:layout_marginBottom="12dip" />
+        android:layout_marginBottom="12dip"
+        android:singleLine="true"
+        android:imeOptions="actionNext" />
 
     <TextView
-        android:id="@+id/password_view"
         android:layout_height="wrap_content"
         android:layout_width="wrap_content"
         android:text="@string/password"
-        android:gravity="left"
         android:layout_marginLeft="20dip"
         android:layout_marginRight="20dip" />
             
     <EditText
         android:id="@+id/password_edit"
+        android:layout_height="wrap_content"
+        android:layout_width="match_parent"
         android:scrollHorizontally="true"
         android:inputType="textPassword"
-        android:gravity="fill_horizontal"
-        android:layout_weight="1"
         android:layout_marginLeft="20dip"
         android:layout_marginRight="20dip"
-        android:layout_marginBottom="12dip" />
-</TableLayout>
+        android:layout_marginBottom="12dip"
+        android:singleLine="true"
+        android:imeOptions="actionDone" />
+</LinearLayout>