Fixed hiding keyboard when opening edit book screen

app/src/main/res/layout/book_edit.xml

@@ -4,6 +4,7 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
+    android:focusableInTouchMode="true"
     android:orientation="vertical">
 
     <android.support.design.widget.AppBarLayout