[안드로이드] 캐쉬 삭제

 private void clearApplicationCache(java.io.File dir) { // 캐쉬 삭제 메서드
  if (dir == null)
   dir = getCacheDir();
  else
   ;
  if (dir == null)
   return;
  else
   ;
  java.io.File[] children = dir.listFiles();
  try {
   for (int i = 0; i < children.length; i++)
    if (children[i].isDirectory())
     clearApplicationCache(children[i]);
    else
     children[i].delete();
  } catch (Exception e) {
  }
 }

 public void onDestroy() {
  super.onDestroy();
  clearApplicationCache(null); // 캐쉬삭제
 }