Android杀毒实现原理及实例(2)

Handler handler = new Handler(){       @Override       public void handleMessage(Message msg) {           super.handleMessage(msg);           switch (msg.what) {           case SCANNING:               StringBuilder sb =  (StringBuilder) msg.obj;                tv_killvirus_info.setText(sb.toString());               sv.scrollBy(0, 25);//每次增加都会自动向下移动画面                break;           case SCANNING_FINISH:               int i =  (Integer) msg.obj;               StringBuilder sb1  = new StringBuilder();               sb1.append("扫描完毕  共扫描 "+ i+ " 个程序");               if(virusResult.size()>0){                   sb1.append("发现病毒 \n");                      for(String packname : virusResult){                          sb1.append("病毒名"+  packname);                          sb1.append("\n");                      }                  }                  tv_killvirus_info.setText(sb1.toString());                  animationDrawable.stop();               break;           }       }   };