Delegate text transformation to “plugin” Android apps, not known in advance

Question

Context

Our app shows an HTML flashcard to the user.
We have added several layers of \"filters\" to satisfy different groups of users:

• To satisfy

Answer 1

To know apps which have a broadcast reciever with THEAPPTRANSFORM as filter, you can use below code

PackageManager pm = getPackageManager();
    Intent intent = new Intent("THEAPPTRANSFORM");
    List info = pm.queryBroadcastReceivers(intent, 0);
    for (ResolveInfo resolveInfo : info) {

        Log.e("apps", "packages = " + resolveInfo.activityInfo.packageName);
    }