Alert Wrapper

public class AlertWrapper {
    public static void getConfirmDialog(Activity activity,
                                        String title,
                                        String message,
                                        String positiveButtonText,
                                        String negativeButtonText,
                                        Boolean cancellable,
                                        final AlertInterface target) {
        if (!activity.isFinishing()) {
            android.support.v7.app.AlertDialog.Builder dialog = new android.support.v7.app.AlertDialog.Builder(activity,
                    R.style.ThemeDialogCustom).setMessage(message)
                    .setPositiveButton(positiveButtonText,
                            new DialogInterface.OnClickListener() {
                                @Override
                                public void onClick(DialogInterface dialog,
                                                    int which) {
                                    dialog.dismiss();
                                    target.PositiveMethod(dialog,
                                            which);
                                }
                            })
                    .setCancelable(cancellable);
            if (!TextUtils.isEmpty(title)) {
                dialog.setTitle(title);
            }
            if (!TextUtils.isEmpty(negativeButtonText)) {
                dialog.setNegativeButton(negativeButtonText, new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        dialog.dismiss();
                        target.NegativeMethod(dialog, which);
                    }
                });
            }
            AlertDialog alertDialog = dialog.create();
            alertDialog.show();
            alertDialog.getButton(DialogInterface.BUTTON_NEGATIVE).setTextColor(Color.BLACK);
        }
    }

    public interface AlertInterface {

        void PositiveMethod(DialogInterface dialog, int id);

        void NegativeMethod(DialogInterface dialog, int id);
    }
}