/**
  * 弹出对话框
  *
  * @param title
  * @param msg
  * @param btns
  * @param callBack
  * @param isCanCancelabel
  * @param isDismiss
  * @return
  */
 public Dialog showAlertDialog(
     String title,
     String msg,
     String[] btns,
     DialogCallBack callBack,
     boolean isCanCancelabel,
     boolean isDismiss) {
   if (dialog == null || !dialog.isShowing()) {
     dialog =
         DialogMaker.showCommonAlerttDialog(
             context, title, msg, btns, callBack, isCanCancelabel, isDismiss);
   }
   return dialog;
 }
 /**
  * 等待对话框
  *
  * @param msg
  * @param isCanCancelabel
  * @param tag
  * @return
  */
 public Dialog showWaitDialog(String msg, boolean isCanCancelabel, Object tag) {
   if (dialog == null || !dialog.isShowing()) {
     dialog = DialogMaker.showCommentWaitDialog(context, msg, null, isCanCancelabel, tag);
   }
   return dialog;
 }