//      长按显示鼠标点坐标及比例尺

    private class myLongPressListener implements OnLongPressListener {

        private static final long serialVersionUID = 1L;

        @Override

        public boolean onLongPress(float x, float y) {

            if (pFeatureLayer != null) {

                pFeatureLayer.clearSelection();

                //执行选择查询操作

                long[] pLong = pFeatureLayer.getFeatureIDs(x, y, 10);

                if (pLong.length > 0) {

                    Feature pFeature = pFeatureLayer.getFeature(pLong[0]);

                    List<com.esri.core.map.Field> pList = pFeatureLayer.getFeatureTable().getFields();

                    String str = "";

                    int num = pList.size();

                    for (int j = 0; j < num; j++) {

                        String FieldName = pList.get(j).getName();

                        str = str + "字段:" + FieldName + ",值:" + pFeature.getAttributeValue(FieldName).toString();

                        if (j < num - 1) {

                            str = str + "\n";

                        }

                    }

                    pFeatureLayer.selectFeature(pFeature.getId());

                    ShowMessage(str);

                }

            }

}