加了就Toast就报错了

Toast.makeText(ResultRouteActivity.this,forAttractionsList.size(),Toast.LENGTH_SHORT).show(); 好像是整数值就会被解析成其他的东西，造成报错，改成字符串就可以了 Toast.makeText(ResultRouteActivity.this,"共"+forAttractionsList.size(),Toast.LENGTH_SHORT).show();