I am trying to write an image file to sd card but i get an error :Open Failed eacces permission denied.
i am using this code:
File ff = new File(aa.datasearchSG_getter().get(0).getUrl()+ "try" );
try{ 
    ff.createNewFile();
} catch (Exception e){ 
    Log.d("error" , "creating");
    e.printStackTrace(); 
}
I have added permission :-
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/> and
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
but still getting error.
 
    