android判断文件是否存在

  1. public boolean fileIsExists(){
  2.                 try{
  3.                         File f=new File("/mnt/sdcard/update/up.zip");//文件绝对路径
  4.                         if(!f.exists()){
  5.                                 return false;
  6.                         }
  7.                        
  8.                 }catch (Exception e) {
  9.                         // TODO: handle exception
  10.                         return false;
  11.                 }
  12.                 return true;
  13.         }
版权声明：本文为zy81584原创文章，遵循CC 4.0 BY-SA版权协议，转载请附上原文出处链接和本声明。