requesting multiple permissions [easy]

LauncherActivity.java

import android.Manifest;
import android.content.pm.PackageManager;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.v4.app.ActivityCompat;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.widget.Toast;

import com.spencerstudios.mylocation.R;

public class LauncherActivity extends AppCompatActivity {

    // be sure to include all of the required permissions in your apps manifest,
    // for example:
    // <uses-permission android:name="android.permission.SEND_SMS" />

    private final static int PERMISSIONS_REQUEST_CODE = 100;

    private final static String[] PERMISSIONS = {
            Manifest.permission.ACCESS_FINE_LOCATION,
            Manifest.permission.ACCESS_COARSE_LOCATION,
            Manifest.permission.SEND_SMS,
            Manifest.permission.READ_CONTACTS
    };

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_launcher);
        Toolbar toolbar = findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);

        requestPermissions();
    }

    private void requestPermissions() {

        for (String PERMISSION : PERMISSIONS) {
            if (ActivityCompat.checkSelfPermission(this, PERMISSION) != PackageManager.PERMISSION_GRANTED) {
                ActivityCompat.requestPermissions(this, PERMISSIONS, PERMISSIONS_REQUEST_CODE);
                break;
            }
        }
    }

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

        boolean allPermissionsGranted = true;

        if (requestCode == PERMISSIONS_REQUEST_CODE) {
            if (grantResults.length > 0) {
                for (int grantResult : grantResults) {
                    if (grantResult != PackageManager.PERMISSION_GRANTED) {
                        allPermissionsGranted = false;
                        break;
                    }
                }
            }
        }

        if (!allPermissionsGranted) {
            // not all permissions have been granted, so let's request them again...
            // note: Android will only request permissions that haven't already been granted,
            // it will not request granted permissions again
            requestPermissions();
        } else {
            // all permissions have been granted, as a token of our appreciation,
            // lets display a toast and continue with our app
            Toast.makeText(getApplicationContext(), "Thanks", Toast.LENGTH_LONG).show();
            letTheGamesBegin();
        }
    }

    private void letTheGamesBegin() {
        //todo: blah blah
    }
}