Java实现android通讯录按字母排序并切换,手触在字母上检索出所属拼音首字母的联系人，现在安卓机都有的功能，比较实用-Android Java implementations and switch contacts alphabetically, hand touch on the phonetic alphabet to retrieve an initial contacts, now Andrews machine has functions more practical

T9算法，手机9宫格输入法拼音检索算法库-T9 pinyin search library

提供城市列表，支持首字母，拼音，汉字检索-city list, support the first letter and pinyin and hanzi search.