android改变alertdialog.builder样式

	AlertDialog.Builder builder = new Builder(new ContextThemeWrapper(context, R.style.AlertDialogCustom));

  <style name="AlertDialogCustom" parent="android:style/Theme.Dialog">
        <item name="android:textColor">#333333</item>
        <item name="android:typeface">monospace</item>
        <item name="android:textSize">@dimen/main_icon_textSize</item>
    </style>

   在style中添加配置，使用ContextThemeWrapper传入