Helper for showing Google Play services dialog with material style on versions prior to Lollipop

GooglePlayDialogHelper.java

package com.android.example;

import android.app.Activity;
import android.app.Dialog;
import android.content.DialogInterface;
import android.os.Build;
import android.os.Message;
import android.support.v7.app.AlertDialog;

import com.google.android.gms.common.GoogleApiAvailability;

import java.lang.reflect.Field;

public class GooglePlayDialogHelper {

    private static Dialog getErrorDialog(Activity activity, int errorCode, int requestCode) {
        Dialog defaultDialog = GoogleApiAvailability.getInstance().getErrorDialog(activity, errorCode, requestCode);
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) // Remove this check if custom dialog theme is used
            return defaultDialog;
        try {
            Field mAlert = getAccessibleField(android.app.AlertDialog.class, "mAlert");
            Object alertController = mAlert.get(defaultDialog);
            Class alertControllerClass = alertController.getClass();

            Field mTitle = getAccessibleField(alertControllerClass, "mTitle");
            Field mMessage = getAccessibleField(alertControllerClass, "mMessage");
            Field mButtonPositiveText = getAccessibleField(alertControllerClass, "mButtonPositiveText");
            Field mButtonPositiveMessage = getAccessibleField(alertControllerClass, "mButtonPositiveMessage");

            CharSequence title = (CharSequence) mTitle.get(alertController);
            CharSequence message = (CharSequence) mMessage.get(alertController);
            CharSequence buttonPositiveText = (CharSequence) mButtonPositiveText.get(alertController);
            DialogInterface.OnClickListener onClickListener = (DialogInterface.OnClickListener) ((Message) mButtonPositiveMessage.get(alertController)).obj;

            return new AlertDialog.Builder(activity) // You can apply your own dialog theme here, or change whatever you want
                    .setTitle(title)
                    .setMessage(message)
                    .setPositiveButton(buttonPositiveText, onClickListener).create();

        } catch (Throwable t) {
            // Something happened, returning default dialog
            return defaultDialog;
        }
    }

    private static Field getAccessibleField(Class clazz, String fieldName) throws NoSuchFieldException {
        Field field = clazz.getDeclaredField(fieldName);
        field.setAccessible(true);
        return field;
    }

}