private static void fillExtras(@Nullable Intent intent, @NonNull TextView textView) { Bundle extras = intent == null ? null : intent.getExtras(); if (extras == null) { textView.setText(Printer.EMPTY); return; } Truss truss = new Truss(); for (String key : extras.keySet()) { Printer.appendWithClass(truss, key, extras.get(key)); } textView.setText(truss.build()); }