The class names can be whatever valid names you like, but the rest of each component should be pretty much exactly as shown: In order for your app to be eligible to be selected as the default messaging app (as far as the system is concerned), its manifest must list each of the four components as described in that blog post, whether those components' classes are actually present and functional, or not.

Intent.putExtra(_PACKAGE_NAME, myPackageName) Intent intent = new Intent(_CHANGE_DEFAULT) tVisibility(View.VISIBLE) īutton button = (Button) findViewById(R.id.set_default_sms_button) ītOnClickListener(new void onClick(View view) Not the default, show the 'make this app the default' layout and disable Log.i('MainActivity', 'Not Default App') This app is the default, remove the 'make this app the default' layout and set to 'gone' in the xml layout so it won't show at all on earlier Android versions.įinal String myPackageName = getPackageName() Only do these checks/changes on KitKat+, the 'mSetDefaultSmsLayout' has its visibility Log.i('MainAcitvity', 'On Resume Called') Do I need a as well? Can someone explain what I am doing wrong? I have tried to research this as much as possible, but everything points back to that same tutorial, or is outdated. I am following this tutorial on setting my app as the default SMS app, but for some reason, my app does not appear in the list of available options.

Messenger home as default