Holo theme for error popups in TextViews.

    private static class ErrorPopup extends PopupWindow {

        private boolean mAbove = false;

        private final TextView mView;

        private int mPopupInlineErrorBackgroundId = 0;

        private int mPopupInlineErrorAboveBackgroundId = 0;

        ErrorPopup(TextView v, int width, int height) {

            super(v, width, height);

            mAbove = above;

            if (above) {

                mView.setBackgroundResource(com.android.internal.R.drawable.popup_inline_error_above);

                mPopupInlineErrorAboveBackgroundId =

                    getResourceId(mPopupInlineErrorAboveBackgroundId, com.android.internal.R.styleable.Theme_errorMessageAboveBackground);

            } else {

                mView.setBackgroundResource(com.android.internal.R.drawable.popup_inline_error);

                mPopupInlineErrorBackgroundId =

                    getResourceId(mPopupInlineErrorBackgroundId, com.android.internal.R.styleable.Theme_errorMessageBackground);

            }

            mView.setBackgroundResource(above ? mPopupInlineErrorAboveBackgroundId : mPopupInlineErrorBackgroundId);

        }

        private int getResourceId(int currentId, int index) {

            if (currentId == 0) {

                TypedArray styledAttributes = mView.getContext().obtainStyledAttributes(R.styleable.Theme);

                currentId = styledAttributes.getResourceId(index, 0);

                styledAttributes.recycle();

            }

            return currentId;

        }

        @Override