2 ways to enable TLSv1.1 and TLSv1.2:
- use this guideline:
http://blog.dev-area.net/2015/08/13/android-4-1-enable-tls-1-1-and-tls-1-2/ - use this class
https://github.com/erickok/transdroid/blob/master/app/src/main/java/org/transdroid/daemon/util/TlsSniSocketFactory.java
schemeRegistry.register(new Scheme("https", new TlsSniSocketFactory(), port));