permissions.java

...
private void requestPermissions() {

        final List<String> requiredSDKPermissions = new ArrayList<String>();
        requiredSDKPermissions.add(Manifest.permission.ACCESS_FINE_LOCATION);
        requiredSDKPermissions.add(Manifest.permission.WRITE_EXTERNAL_STORAGE);
        requiredSDKPermissions.add(Manifest.permission.INTERNET);
        requiredSDKPermissions.add(Manifest.permission.ACCESS_WIFI_STATE);
        requiredSDKPermissions.add(Manifest.permission.ACCESS_NETWORK_STATE);
        requiredSDKPermissions.add(Manifest.permission.READ_EXTERNAL_STORAGE);

        ActivityCompat.requestPermissions(this,
                requiredSDKPermissions.toArray(new String[requiredSDKPermissions.size()]),
                REQUEST_CODE_ASK_PERMISSIONS);
    }

...