Android本地数据搜索实现
主界面布局:
xmlns:tools =“http://schemas.android.com/tools”
android:layout_width =“match_parent”
android:layout_height =“match_parent”
android:background =“#f5f5f5”
android:orientation =“vertical”>
android:id =“@ + id / et_text”
android:layout_width =“match_parent”
android:layout_height =“wrap_content”
android:layout_margin =“10dp”
android:drawableLeft =“@ drawable / search_bar_icon_normal”
android:hint =“请输入关键字”
android:padding =“4dp”
android:singleLine =“true”
android:textSize =“15sp”/>
android:layout_width =“match_parent”
android:layout_height =“5.0dp”
android:background =“@ android:color / darker_gray”/>
android:id =“@ + id / lv”
android:layout_width =“match_parent”
android :layout_height =“wrap_content”
android:divider =“@ drawable / base_list_divider”>
ListView>
LinearLayout>
主界面代码:
包com.jiawu.demo1;import java.util.ArrayList;import java.util.HashMap;import java.util.List;import java.util.Map;import android.os.Bundle;import android.app.Activity;import android.text.Editable;import android.text.TextUtils;import android.text.TextWatcher;import android.view.LayoutInflater;import android.view.Menu;import android.widget.Adapter;import android.widget.EditText;import android.widget.ListView;import android.widget.SimpleAdapter;公共类MainActivity扩展Activity { private LayoutInflater inflater = null; private CharacterParser characterParser; boolean isFilterData = true; private EditText et_text; 私人ListView lv; private String [] name = {“泳池派对盲僧”,“泳池派对吉欧斯”,“泳池派对雷欧塞”,“泳池派对雷雷塞”,“泳池派对格雷福斯”, “源计划艾克”, “源计划艾希”, “源计划易”, “源计划劫”, “源计划卢锡安” “冰雪节布隆”, “冰雪节奥利安娜”, “冰雪节崔丝塔娜”, “冰雪节诡术妖姬”, “冰雪节克格莫” “电玩上校库奇”, “电玩勇者伊泽瑞尔”, “电玩女神莎娜”, “神拳李青”, “任性学霸艾克”}; private ArrayList 私有TextAdapter适配器; @覆盖 protected void onCreate(Bundle savedInstanceState){ super.onCreate(savedInstanceState); 的setContentView(R.layout.activity_main); inflater = this.getLayoutInflater(); //实例化汉字转拼音类 characterParser = CharacterParser.getInstance(); initView(); for(int i = 0; i <20; i ++){ Map map = new HashMap (); map.put(“name”,name [i]); list.add(地图); } adapter = new TextAdapter(this,inflater,list); lv.setAdapter(适配器); et_text.addTextChangedListener(new TextWatcher(){ @覆盖 public void onTextChanged(CharSequence s,int start,int before,int count){ //当输入框里面的值为空,更新为原来的列表,否则为过滤数据列表 if(isFilterData){ 筛选数据(s.toString()); } } @覆盖 public void beforeTextChanged(CharSequence s,int start,int count, int after){ } @覆盖 public void afterTextChanged(Editable s){ } }); } private void initView(){ et_text =(EditText)findViewById(R.id.et_text); lv =(ListView)findViewById(R.id.lv); } List > filterDateList = new ArrayList >(); private void filterData(String filterStr){ filterDateList = new ArrayList >(); 如果(TextUtils.isEmpty(filterStr)){ filterDateList = list; }其他{ for(int i = 0; i Map map = list.get(i); String name = map.get(“name”)+“”; if(name.indexOf(filterStr.toString())!= -1 || characterParser.getSelling(name).startsWith(filterStr.toString())){ filterDateList.add(地图); } } } adapter.updateListView(filterDateList); }}
汉字转拼音类:
包com.jiawu.demo1;/ ** * Java汉字转换为拼音 * * /公共类CharacterParser { private static int [] pyvalue = new int [] {-20319,-20317,-20304,-20295,-20292,-20283,-20265,-20257,-20242,-20230,-20051,-20036,-20032 , -20026,-20002,-19990,-19986,-19982,-19976,-19805,-19784,-19775,-19774,-19763,-19756,-19751,-19746,-19741,-19739,-19728 , -19725,-19715,-19540,-19531,-19525,-19515,-19500,-19484,-19479,-19467,-19289,-19288,-19281,-19275,-19270,-19263,-19261 , -19249,-19243,-19242,-19238,-19235,-19227,-19224,-19218,-19212,-19038,-19023,-19018,-19006,-19003,-18996,-18977,-18961 , -18952,-18783,-18774,-18773,-18763,-18756,-18741,-18735,-18731,-18722,-18710,-18697,-18696,-18526,-18518,-18501,-18490 , -18478,-18463,-18448,-18447,-18446,-18239,-18237,-18231,-18220,-18211,-18201,-18184,-18183,-18181,-18012,-17997,-17988 , -17970,-17964,-17961,-17950,-17947,-17931,-17928,-17922,-17759,-17752,-17733,-17730,-17721,-17703,-17701,-17697,-17692 , -17683,-17676,-17496,-17487,-17482,-17468,-17454,-17433,-17427,-17417,-17202,-17185,-16983,-16970,-16942,-16915,-16733 , -16708,-16706,-16689,-16664,-16657,-16647,-16474,-16470,-16465,-16459,-16452,-16448,-16433,-16429,-16427,-16423,-16419 , -16412,-16407,-16403,-16401,-16393,-16220,-16216,-16212,-16205,-16202,-16187,-16180,-16171,-16169,-16158,-16155,-15959 , -15958,-15944,-15933,-15920,-15915,-15903,-15889,-15878,-15707,-15701,-15681,-15667,-15661,-15659,-15652,-15640,-15631 , -15625,-15454,-15448,-15436,-15435,-15419,-15416,-15408,-15394,-15385,-15377,-15375,-15369,-15363,-15362,-15183,-15180 , -15165,-15158,-15153,-15150,-15149,-15144,-15143,-15141,-15140,-15139,-15128,-15121,-15119,-15117,-15110,-15109,-14941 , -14937,-14933,-14930,-14929,-14928,-14926,-14922,-14921,-14914,-14908,-14902,-14894,-14889,-14882,-14873,-14871,-14857 , -14678,-14674,-14670,-14668,-14663,-14654,-14645,-14630,-14594,-14429,-14407,-14399,-14384,-14379,-14368,-14355,-14353 , -14345,-14170,-14159,-14151,-14149,-14145,-14140,-14137,-14135,-14125,-14123,-14122,-14112,-14109,-14099,-14097,-14094 , -14092,-14090,-14087,-14083,-13917,-13914,-13910,-13907,-13906,-13905,-13896,-13894,-13878,-13870,-13859,-13847,-13831 , -13658,-13611,-13601,-13406,-13404,-13400,-13398,-13395,-13391,-13387,-13383,-13367,-13359,-13356,-13343,-13340,-13329 , -13326,-13318,-13147,-13138,-13120,-13107,-13096,-13095,-13091,-13076,-13068,-13063,-13060,-12888,-12875,-12871,-12860 , -12858,-12852,-12849,-12838,-12831,-12829,-12812,-12802,-12607,-12597,-12594,-12585,-12556,-12359,-12346,-12320,-12300 , -12120,-12099,-12089,-12074,-12067,-12058,-12039,-11867,-11861,-11847,-11831,-11798,-11781,-11604,-11589,-11536,-11358 , -11340,-11339,-11324,-11303,-11097,-11077,-11067,-11055,-11052,-11045,-11041,-11038,-11024,-11020,-11019,-11018,-11014 , -10838,-10832,-10815,-10800,-10790,-10780,-10764,-10587,-10544,-10533,-10519,-10331,-10329,-10328,-10322,-10315,-10309 , -10307,-10296,-10281,-10274,-10270,-10262,-10260,-10256,-10254}; public static String [] pystr = new String [] {“a”,“ai”,“an”,“ang”,“ao”,“ba”,“bai”,“ban”,“bang”,“bao” “,”bei“,”ben“,”beng“,”bi“,”bian“, “biao”,“bie”,“bin”,“bing”,“bo”,“bu”,“ca”,“cai”,“can”,“cang”,“cao”,“ce”,“ceng” “,”cha“,”chai“,”chan“,”chang“,”chao“,”che“, “陈”,“成”,“气”,“冲”,“周”,“楚”,“楚”,“川”,“楚”,“翠”,“春”,“中”,“ci “,”cong“,”cou“,”cu“,”cuan“, “cui”,“cun”,“cuo”,“da”,“dai”,“dan”,“dang”,“dao”,“de”,“deng”,“di”,“dian”,“diao” “,”die“,”ding“,”diu“,”dong“,”dou“,”du“, “duan”,“dui”,“dun”,“duo”,“e”,“en”,“er”,“fa”,“fan”,“fang”,“fei”,“fen”,“feng” “,”fo“,”fou“,”fu“,”ga“,”gai“,”gan“,”gang“, “gao”,“ge”,“gei”,“gen”,“geng”,“gong”,“gou”,“gu”,“gua”,“guai”,“guan”,“guang”,“gui” “,”枪“,”guo“,”ha“,”hai“,”han“,”hang“, “hao”,“he”,“hei”,“hen”,“heng”,“hong”,“hou”,“hu”,“hua”,“huai”,“huan”,“huang”,“hui” “,”hun“,”huo“,”ji“,”jia“,”jian“, “jiang”,“jiao”,“jie”,“jin”,“jing”,“jiong”,“jiu”,“ju”,“juan”,“jue”,“jun”,“ka”,“kai” “,”kan“,”kang“,”kao“,”ke“,”ken“, “keng”,“kong”,“kou”,“ku”,“kua”,“kuai”,“kuan”,“kuang”,“kui”,“kun”,“kuo”,“la”,“lai” “,”lan“,”lang“,”lao“,”le“,”lei“,”leng“, “li”,“lia”,“lian”,“liang”,“liao”,“lie”,“lin”,“ling”,“liu”,“long”,“lou”,“lu”,“lv” “,”luan“,”lue“,”lun“,”luo“,”ma“,”mai“, “man”,“mang”,“mao”,“me”,“mei”,“men”,“meng”,“mi”,“mian”,“miao”,“mie”,“min”,“ming” “,”miu“,”mo“,”mou“,”mu“,”na“,”nai“, “nan”,“nang”,“nao”,“ne”,“nei”,“nen”,“neng”,“ni”,“nian”,“niang”,“niao”,“nie”,“nin” “,”ning“,”niu“,”nong“,”nu“,”nv“,”nuan“, “nue”,“nuo”,“o”,“ou”,“pa”,“pai”,“pan”,“pang”,“pao”,“pei”,“pen”,“peng”,“pi” “,”pian“,”piao“,”pie“,”pin“,”ping“,”po“,”pu“, “qi”,“qia”,“qian”,“qiang”,“qiao”,“qie”,“qin”,“qing”,“qiong”,“qiu”,“qu”,“quan”,“que” “,”qun“,”跑“,”响“,”饶“,”重“, “ren”,“reng”,“ri”,“rong”,“rou”,“ru”,“ruan”,“rui”,“run”,“ruo”,“sa”,“sai”,“san” “,”唱“,”sao“,”se“,”sen“,”seng“,”sha“, “shai”,“shan”,“shang”,“shao”,“she”,“shen”,“sheng”,“shi”,“shou”,“shu”,“shua”,“shuai”,“shuan” “,”shuang“,”shui“,”shun“, “shu”,“si”,“song”,“sou”,“su”,“suan”,“sui”,“sun”,“suo”,“ta”,“tai”,“tan”,“tang” “,”tao“,”te“,”teng“,”ti“,”tian“,”tiao“, “tie”,“ting”,“tong”,“tou”,“tu”,“tuan”,“tui”,“tun”,“tuo”,“wa”,“wai”,“wan”,“wang” “,”wei“,”wen“,”weng“,”wo“,”wu“,”xi“, “xia”,“xian”,“xiang”,“xiao”,“xie”,“xin”,“xing”,“xiong”,“xiu”,“xu”,“xuan”,“xue”,“xun” “,”ya“,”yan“,”yang“,”yao“,”ye“,”yi“, “yin”,“ying”,“yo”,“yong”,“you”,“yu”,“yuan”,“yue”,“yun”,“za”,“zai”,“zan”,“zang” “,”zao“,”ze“,”zei“,”zen“,”zeng“,”zha“, “zhai”,“zhan”,“zhang”,“zhao”,“zhe”,“zhen”,“zheng”,“zhi”,“zhong”,“zhou”,“zhu”,“zhua”,“zhuai” “,”zh“”,“庄”,“z”“, “zhun”,“zhuo”,“zi”,“zong”,“zou”,“zu”,“zuan”,“zui”,“zun”,“zuo”}; 私有StringBuilder缓冲区; 私有字符串资源; private static CharacterParser characterParser = new CharacterParser(); public static CharacterParser getInstance(){ return characterParser; } public String getResource(){ 返回资源; } public void setResource(String resource){ this.resource = resource; } / ** *汉字转成ASCII码* * @param chs * @return * / private int getChsAscii(String chs){ int asc = 0; 尝试{ byte [] bytes = chs.getBytes(“gb2312”); if(bytes == null || bytes.length> 2 || bytes.length <= 0){ 抛出新的RuntimeException(“非法资源字符串”); } if(bytes.length == 1){ asc = bytes [0]; } if(bytes.length == 2){ int hightByte = 256 + bytes [0]; int lowByte = 256 + bytes [1]; asc =(256 * hightByte + lowByte) - 256 * 256; } } catch(例外e){ System.out.println(“ERROR:ChineseSpelling.class-getChsAscii(String chs)”+ e); } 返回asc; } / ** *单字解析* * @param str * @return * / public String convert(String str){ String result = null; int ascii = getChsAscii(str); if(ascii> 0 && ascii <160){ result = String.valueOf((char)ascii); } else { for(int i =(pyvalue.length - 1); i> = 0; i--){ if(pyvalue [i] <= ascii){ result = pystr [i]; 打破; } } } 返回结果; } / ** *词组解析* * @param chs * @return * / public String getSelling(String chs){ 字符串键,值; buffer = new StringBuilder(); for(int i = 0; i key = chs.substring(i,i + 1); if(key.getBytes()。length> = 2){ value =(String)convert(key); if(value == null){ value =“unknown”; } } else { value = key; } buffer.append(值); } return buffer.toString(); } public String getSpelling(){ return this.getSelling(this.getResource()); }}
适配器适配器代码:
包com.jiawu.demo1;import java.util.ArrayList;import java.util.HashMap;import java.util.List;import java.util.Map;import android.content.Context;import android.content.Intent;import android.view.LayoutInflater;import android.view.View;import android.view.View.OnClickListener;import android.view.ViewGroup;import android.widget.BaseAdapter;import android.widget.Button;import android.widget.ImageView;import android.widget.LinearLayout;import android.widget.TextView;公共类TextAdapter扩展BaseAdapter { 私有上下文; LayoutInflater inflater; public List > listItemList; public TextAdapter(Context context, LayoutInflater layoutInflater, List > lstIte){ // TODO自动生成的构造函数存根 this.context = context; this.inflater = layoutInflater; this.listItemList = lstIte; } public void updateListView(List > list){ this.listItemList = list; notifyDataSetChanged(); } @覆盖 public int getCount(){ // TODO自动生成的方法存根 return this.listItemList!= null?this.listItemList.size():0; } @覆盖 public Object getItem(int arg0){ // TODO自动生成的方法存根 return null; } @覆盖 public long getItemId(int arg0){ // TODO自动生成的方法存根 返回0; } @覆盖 public View getView(int arg0,View arg1,ViewGroup arg2){ arg1 = inflater.inflate(android.R.layout.simple_expandable_list_item_1,null); TextView text1 =(TextView)arg1.findViewById(android.R.id.text1); text1.setText(listItemList.get(为arg0)获得( “名称”)); return arg1; } }
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