Get the log of exceptions. And delete the gradient background.

- Add a logger of Exception
- Catch RuntimeException where bug reported.
- Delete gradient background.

Change-Id: I98b5fbc4a51163de7e56bee4f8312585d8e98eb7
diff --git a/java/res/layout/input7.xml b/java/res/layout/input7.xml
index 91697b6..6279f5d 100755
--- a/java/res/layout/input7.xml
+++ b/java/res/layout/input7.xml
@@ -24,10 +24,10 @@
         android:layout_alignParentBottom="true"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
+        android:background="@drawable/keyboard_background"
         android:keyBackground="@drawable/btn_keyboard_key_ginger"
-        android:background="@drawable/background_gradient"
+        android:keyTextSize="22dip"
         android:keyTextColor="@color/latinkeyboard_key_color_black"
         android:shadowColor="@color/latinkeyboard_key_color_white"
-        android:keyTextSize="22dip"
         android:popupLayout="@layout/input7_popup"
-    />
+        />