public Dialog clearContent() {
   title(0);
   positiveAction(0);
   positiveActionClickListener(null);
   negativeAction(0);
   negativeActionClickListener(null);
   neutralAction(0);
   neutralActionClickListener(null);
   contentView(null);
   return this;
 }
    @Override
    public Dialog build(Context context) {
      mDialog = onBuild(context, mStyleId);

      mDialog
          .title(mTitle)
          .positiveAction(mPositive)
          .negativeAction(mNegative)
          .neutralAction(mNeutral);

      if (mContentViewId != 0) mDialog.contentView(mContentViewId);

      return mDialog;
    }
 @Override
 public void addContentView(View view, ViewGroup.LayoutParams params) {
   contentView(view);
 }
 @Override
 public void setContentView(View v, ViewGroup.LayoutParams params) {
   contentView(v);
 }
 @Override
 public void setContentView(int layoutId) {
   contentView(layoutId);
 }
 @Override
 public void setContentView(View v) {
   contentView(v);
 }