最终我以这种方式工作:
Serializable s = this.getIntent().getSerializableExtra("results");Object[] o = (Object[]) s;if (o != null) { resultSet = new TreeSet<RatedMessage>(new Comp()); for (int i = 0; i < o.length; i++) { if (o[i] instanceof RatedMessage) { resultSet.add((RatedMessage) o[i]); } }}


