if ( Build.VERSION.SDK_INT >= Build.VERSION_CODES.M ) {

            String[] PERMISSIONS = {
                    Manifest.permission.WRITE_EXTERNAL_STORAGE,
                    Manifest.permission.READ_EXTERNAL_STORAGE
            };

            if (context != null && PERMISSIONS != null) {
                for (String permission : PERMISSIONS) {
                    if (ActivityCompat.checkSelfPermission(context, permission) != PackageManager.PERMISSION_GRANTED) {
                        ActivityCompat.requestPermissions(this, PERMISSIONS, PERMISSION_ALL);
                    }else {

                        isPermissionSet();

                    }
                }
            }

        }else {

            isPermissionSet();

        }


         @Override
    public void onRequestPermissionsResult(int requestCode, String permissions[], int[] grantResults) {
        super.onRequestPermissionsResult(requestCode, permissions, grantResults);

        int grant = grantResults[0];
        A.T("TT");

        if (requestCode == PERMISSION_ALL && grantResults[0] >= 0) {
            isPermissionSet();

        }

        if (requestCode == 15 &&

                grantResults[0] >= 0
                ) {
            isPermissionSet();

        }

    }