[android-developers] Advice for SMS backup & restore apps - not working?

I tried to follow the blog here: http://android-developers.blogspot.fr/2013/10/getting-your-sms-apps-ready-for-kitkat.html

However I cannot make the 'Advice for SMS backup & restore apps' section work.

My app is a simple SMS backup/restore app, it has permissions to read/write SMS, but when I do this, nothing happens:

Intent intent = new Intent(context, Sms.Intents.ACTION_CHANGE_DEFAULT);  intent.putExtra(Sms.Intents.EXTRA_PACKAGE_NAME, context.getPackageName());  startActivity(intent);

If instead I use this:

startActivityForResult(intent, CHANGED);

Then onActivityResult() is called with RESULT_CANCEL

Can someone please help? What am I missing to make it work?

Thanks,

C.

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