/** 根据当前的省，更新市WheelView的信息 */
private void updateCities() {
int pCurrent = mViewProvince.getCurrentItem();
mCurrentProviceName = mProvinceDatas[pCurrent];
String[] cities = mCitisDatasMap.get(mCurrentProviceName);
if (cities == null) {
cities = new String[] {""};
}
mViewCity.setViewAdapter(new ArrayWheelAdapter<String>(this, cities));
mViewCity.setCurrentItem(0);
updateAreas();
}
/** 根据当前的市，更新区WheelView的信息 */
private void updateAreas() {
int pCurrent = mViewCity.getCurrentItem();
mCurrentCityName = mCitisDatasMap.get(mCurrentProviceName)[pCurrent];
String[] areas = mDistrictDatasMap.get(mCurrentCityName);
mCurrentDistrictName = mDistrictDatasMap.get(mCurrentCityName)[0];
mCurrentZipCode = mZipcodeDatasMap.get(mCurrentDistrictName);
if (areas == null) {
areas = new String[] {""};
}
mViewDistrict.setViewAdapter(new ArrayWheelAdapter<String>(this, areas));
mViewDistrict.setCurrentItem(0);
}