어플 종료시 캐시 삭제 관련 소스

private void clearApplicationCache(java.io.File dir){ if(dir==null) dir=getCacheDir(); else{} if(dir==null) return; else{} java.io.File[] children =dir.listFiles(); try{       for(int i=0;children.length;i++)            if(children[i].isDirectory())                clearApplicationCache(children[i]);            else childen[i].delete(); } catch(Exception e){} } public void onDestroy(){ super.onDestroy(); clearApplicationCache(null); }

public void clearApllicationCache(){        File dir=new File("/src/ss");        if(dir !=null && dir.isDrectory()){      try{            ArrayList<File> stack=new ArrayList<File>();           File[] children =dir.listFiles();            for(File child : children){               stack.add(child);            }           while(stack.size() > 0){              File f=stack.get(stack.size() - 1);              if(f.isDirectory() == true){                 boolean empty = f.delete();                   if(empty == false){                      File[] files = f.listFiles();                         if(files.length !=0){                           for(File tmp : files){                                  stack.add(tmp);                         }                  }              }else(stack.remove(stack.size() -1);              }              }else{                 f.delete();                  stack.remove(stack.size() -1 );                 }              }              }catch(exception e){                 Log.e("cntrl->", "Failed to clean the cache" + e.getMessage());  return; } }