file permissions - How to check whether folder exist in external Storage in Android? -

string fldr= "main"; 

i need find whether there folder called fldr in anywhere in directory.

this return directory of external storage

string sdpath = environment.getexternalstoragedirectory().tostring(); 

if there folder similar fldr need directory , check whether writable.. how ?

do way,

file dir = new file(environment.getexternalstoragedirectory() + "/main"); if(dir.exists() && dir.isdirectory()) {     // here }  /**    * @return true if external storage available.    * false otherwise.    */   public static boolean checkavailable() {      // retrieving external storage state     string state = environment.getexternalstoragestate();      // check if available     if (environment.media_mounted.equals(state)         || environment.media_mounted_read_only.equals(state)) {       return true;     }      return false;   }    /**    * @return true if external storage writable.    * false otherwise.    */   public static boolean checkwritable() {      // retrieving external storage state     string state = environment.getexternalstoragestate();      // check if writable     if (environment.media_mounted.equals(state)) {       return true;     }      return false;    }