Merge pull request #61 from docspell/allow-cleartext

Try to allow cleartext traffic

Author: eikek

app/src/main/res/xml/network_security_config.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <network-security-config xmlns:tools="http://schemas.android.com/tools">
-    <base-config>
+    <base-config cleartextTrafficPermitted="true">
         <trust-anchors>
             <certificates src="system"/>
             <certificates src="user"