How to decrypt SSL traffic from an Android app using Fiddler

There are plenty of tutorials on how you can intercept HTTP(s) traffic from Android using Fiddler.
Try this one: http://docs.telerik.com/fiddler/configure-fiddler/tasks/configureforandroid 

 However, it will fail when you try to intercept and decrypt Android SSL traffic coming from an application, and not from a browser.

 It might be that the application uses a certificate pinning – and you are probably cannot decipher this connection. Lost cause!
But more probably, the reason is a bug in the HttpsUrlConnection pipeline implementation.

 To solve the issue, please proceed with the following steps:

1 In Fiddler click "Rules->Customize Rules";
2 Find function OnBeforeResponse in the script
3 Add following code to the function body:

if (oSession.oRequest["User-Agent"].indexOf("Dalvik") > -1 && oSession.HTTPMethodIs("CONNECT")) { oSession.oResponse.headers["Connection"] = "Keep-Alive"; }

4 Save the file and restart Fiddler.