How to persist permission in android API 19 (KitKat)?

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I believe I’ve solved it. The request intent:

Intent intent;
if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT){
    intent = new Intent(Intent.ACTION_OPEN_DOCUMENT);
    intent.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
    intent.addFlags(Intent.FLAG_GRANT_PERSISTABLE_URI_PERMISSION);
}else{
    intent = new Intent(Intent.ACTION_GET_CONTENT);
}
intent.putExtra(Intent.EXTRA_LOCAL_ONLY, true);
intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
intent.setType("image/*");
startActivityForResult(Intent.createChooser(intent, getResources().getString(R.string.form_pick_photos)), REQUEST_PICK_PHOTO);

and onActivityResult

...
// kitkat fixed (broke) content access; to keep the URIs valid over restarts need to persist access permission
if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
    final int takeFlags = data.getFlags() & Intent.FLAG_GRANT_READ_URI_PERMISSION;
    ContentResolver resolver = getActivity().getContentResolver();
    for (Uri uri : images) {
        resolver.takePersistableUriPermission(uri, takeFlags);
    }
}
...

I haven’t tested this pre-kitkat, my phone is running 5.1, can anyone verify this on older phones?

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