Helpful util class template for Android M Permissions

PermissionUtils

package ***.***.android.utils;

import android.Manifest;
import android.app.Activity;
import android.app.Fragment;
import android.content.Context;
import android.content.pm.PackageManager;
import android.support.v13.app.FragmentCompat;
import android.support.v4.app.ActivityCompat;
import android.support.v4.content.ContextCompat;
import android.support.v7.app.AppCompatActivity;

import static android.Manifest.permission.ACCESS_COARSE_LOCATION;
import static android.Manifest.permission.ACCESS_FINE_LOCATION;

/**
 * @author Artur Vasilov
 */
public class PermissionUtils {

    private static final String PERMISSION_READ_GSERVICES = "com.google.android.providers.gsf.permission.READ_GSERVICES";
    public static final int LOCATION_PERMISSION_ID = 1;
    
    private PermissionUtils() {
    }

    public static boolean checkPermissions(Context context, String... permissions) {
        for (String permission : permissions) {
            if (!checkPermission(context, permission)) {
                return false;
            }
        }
        return true;
    }

    public static boolean checkPermission(Context context, String permission) {
        return ContextCompat.checkSelfPermission(context, permission) == PackageManager.PERMISSION_GRANTED;
    }

    public static boolean isWriteExternalStorageGranted(Context context) {
        return checkPermission(context, Manifest.permission.WRITE_EXTERNAL_STORAGE);
    }

    public static boolean isDeviceInfoGranted(Context context) {
        return checkPermission(context, Manifest.permission.READ_PHONE_STATE);
    }

    public static boolean isLocationPermissionGranted(Context context) {
        return checkPermissions(context, ACCESS_FINE_LOCATION, ACCESS_COARSE_LOCATION);
    }

    public static void requestPermissions(Object o, int permissionId, String... permissions) {
        if (o instanceof Fragment) {
            FragmentCompat.requestPermissions((Fragment) o, permissions, permissionId);
        } else if (o instanceof Activity) {
            ActivityCompat.requestPermissions((AppCompatActivity) o, permissions, permissionId);
        }
    }

    public static void requestLocationPermission(Object o) {
        String[] permissions = new String[]{
                ACCESS_COARSE_LOCATION, ACCESS_FINE_LOCATION, PERMISSION_READ_GSERVICES};
        requestPermissions(o, LOCATION_PERMISSION_ID, permissions);
    }
}