Added some margins.

res/layout/text_file_preview.xml

@@ -7,4 +7,6 @@
     android:divider="@null"
     android:dividerHeight="0dp"
     android:focusable="false"
-    android:focusableInTouchMode="false" />
+    android:focusableInTouchMode="false"
+    android:layout_marginStart="8dp"
+    android:layout_marginEnd="8dp" />