Android 實現ListView的A-Z字母排序和過濾搜索功能,實現漢字轉成拼音

轉載請註明出處:http://blog.csdn.net/xiaanming/article/details/12684155

前段時間因爲換工作的緣故又恰巧碰到國慶節,所以有段時間自己沒有更新博客了,過完國慶到新公司報道,感覺還不錯,就是現在住的地方離新公司有點遠,地鐵20站,傷不起啊,我每天早上7點多就要起牀,然後屁顛屁顛的去擠地鐵上班,晚上下班還要擠地鐵,先不說路程遠,車費一天就要10幾塊,我的銀子啊,有坐龍華線去上班的深圳程序員不?聽說那條線上班高峯期很擠?我沒在上班高峯期坐過那趟車,我在民治那邊找了個房子,離華強北也不遠,關鍵房租便宜,哈哈,樂開花了,下個禮拜就要搬過去啦

不扯了,回到主題,今天給大家帶來ListView的A-Z字母排序和過濾搜索功能並且實現漢字轉成拼音的功能,我們知道一般我們對聯繫人,城市列表等實現A-Z的排序,因爲聯繫人和城市列表我們可以直接從數據庫中獲取他的漢字拼音,而對於一般的數據,我們怎麼實現A-Z的排序,我們需要將漢字轉換成拼音就行了,接下來就帶大家實現一般數據的A-Z排序功能,首先先看下效果圖

上面是一個帶刪除按鈕的EditText,我們在輸入框中輸入可以自動過濾出我們想要的東西,當輸入框中沒有數據自動替換到原來的數據列表,然後下面一個ListView用來顯示數據列表,右側是一個字母索引表,當我們點擊不同的字母,ListView會定位到該字母地方,瞭解了佈局之後,我們先看下項目結構吧

我按照項目中類的順序來一一介紹其功能

1.SortModel 一個實體類,裏面一個是ListView的name,另一個就是顯示的name拼音的首字母

[java] view plain copy
在CODE上查看代碼片派生到我的代碼片

package com.example.sortlistview;  

public class SortModel {  

    private String name;   //顯示的數據  
    private String sortLetters;  //顯示數據拼音的首字母  

    public String getName() {  
        return name;  
    }  
    public void setName(String name) {  
        this.name = name;  
    }  
    public String getSortLetters() {  
        return sortLetters;  
    }  
    public void setSortLetters(String sortLetters) {  
        this.sortLetters = sortLetters;  
    }  
}  

2.SideBar類就是ListView右側的字母索引View,我們需要使用setTextView(TextView mTextDialog)來設置用來顯示當前按下的字母的TextView,以及使用setOnTouchingLetterChangedListener方法來設置回調接口,在回調方法onTouchingLetterChanged(String s)中來處理不同的操作

[java] view plain copy
在CODE上查看代碼片派生到我的代碼片

package com.example.sortlistview;  

import android.content.Context;  
import android.graphics.Canvas;  
import android.graphics.Color;  
import android.graphics.Paint;  
import android.graphics.Typeface;  
import android.graphics.drawable.ColorDrawable;  
import android.util.AttributeSet;  
import android.view.MotionEvent;  
import android.view.View;  
import android.widget.TextView;  

public class SideBar extends View {  
    // 觸摸事件  
    private OnTouchingLetterChangedListener onTouchingLetterChangedListener;  
    // 26個字母  
    public static String[] b = { "A", "B", "C", "D", "E", "F", "G", "H", "I",  
            "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V",  
            "W", "X", "Y", "Z", "#" };  
    private int choose = -1;// 選中  
    private Paint paint = new Paint();  

    private TextView mTextDialog;  

    /** 
     * 爲SideBar設置顯示字母的TextView 
     * @param mTextDialog 
     */  
    public void setTextView(TextView mTextDialog) {  
        this.mTextDialog = mTextDialog;  
    }  


    public SideBar(Context context, AttributeSet attrs, int defStyle) {  
        super(context, attrs, defStyle);  
    }  

    public SideBar(Context context, AttributeSet attrs) {  
        super(context, attrs);  
    }  

    public SideBar(Context context) {  
        super(context);  
    }  

    /** 
     * 重寫這個方法 
     */  
    protected void onDraw(Canvas canvas) {  
        super.onDraw(canvas);  
        // 獲取焦點改變背景顏色.  
        int height = getHeight();// 獲取對應高度  
        int width = getWidth(); // 獲取對應寬度  
        int singleHeight = height / b.length;// 獲取每一個字母的高度  

        for (int i = 0; i < b.length; i++) {  
            paint.setColor(Color.rgb(33, 65, 98));  
            // paint.setColor(Color.WHITE);  
            paint.setTypeface(Typeface.DEFAULT_BOLD);  
            paint.setAntiAlias(true);  
            paint.setTextSize(20);  
            // 選中的狀態  
            if (i == choose) {  
                paint.setColor(Color.parseColor("#3399ff"));  
                paint.setFakeBoldText(true);  
            }  
            // x座標等於中間-字符串寬度的一半.  
            float xPos = width / 2 - paint.measureText(b[i]) / 2;  
            float yPos = singleHeight * i + singleHeight;  
            canvas.drawText(b[i], xPos, yPos, paint);  
            paint.reset();// 重置畫筆  
        }  

    }  

    @Override  
    public boolean dispatchTouchEvent(MotionEvent event) {  
        final int action = event.getAction();  
        final float y = event.getY();// 點擊y座標  
        final int oldChoose = choose;  
        final OnTouchingLetterChangedListener listener = onTouchingLetterChangedListener;  
        final int c = (int) (y / getHeight() * b.length);// 點擊y座標所佔總高度的比例*b數組的長度就等於點擊b中的個數.  

        switch (action) {  
        case MotionEvent.ACTION_UP:  
            setBackgroundDrawable(new ColorDrawable(0x00000000));  
            choose = -1;//  
            invalidate();  
            if (mTextDialog != null) {  
                mTextDialog.setVisibility(View.INVISIBLE);  
            }  
            break;  

        default:  
            setBackgroundResource(R.drawable.sidebar_background);  
            if (oldChoose != c) {  
                if (c >= 0 && c < b.length) {  
                    if (listener != null) {  
                        listener.onTouchingLetterChanged(b[c]);  
                    }  
                    if (mTextDialog != null) {  
                        mTextDialog.setText(b[c]);  
                        mTextDialog.setVisibility(View.VISIBLE);  
                    }  

                    choose = c;  
                    invalidate();  
                }  
            }  

            break;  
        }  
        return true;  
    }  

    /** 
     * 向外公開的方法 
     *  
     * @param onTouchingLetterChangedListener 
     */  
    public void setOnTouchingLetterChangedListener(  
            OnTouchingLetterChangedListener onTouchingLetterChangedListener) {  
        this.onTouchingLetterChangedListener = onTouchingLetterChangedListener;  
    }  

    /** 
     * 接口 
     *  
     * @author coder 
     *  
     */  
    public interface OnTouchingLetterChangedListener {  
        public void onTouchingLetterChanged(String s);  
    }  

}  

3.CharacterParser 這個類是將漢字轉換成拼音的類,該拼音沒有聲調的,該類是單例類,其中定義了三個方法,在這個demo中用到的是getSelling(String chs)方法,將詞組轉換成拼音

[java] view plain copy
在CODE上查看代碼片派生到我的代碼片

package com.example.sortlistview;  

/** 
 * Java漢字轉換爲拼音 
 *  
 */  
public class 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",  
            "chen", "cheng", "chi", "chong", "chou", "chu", "chuai", "chuan", "chuang", "chui", "chun", "chuo", "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", "gun", "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", "ran", "rang", "rao", "re",  
            "ren", "reng", "ri", "rong", "rou", "ru", "ruan", "rui", "run", "ruo", "sa", "sai", "san", "sang", "sao", "se", "sen", "seng", "sha",  
            "shai", "shan", "shang", "shao", "she", "shen", "sheng", "shi", "shou", "shu", "shua", "shuai", "shuan", "shuang", "shui", "shun",  
            "shuo", "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", "zhuan", "zhuang", "zhui",  
            "zhun", "zhuo", "zi", "zong", "zou", "zu", "zuan", "zui", "zun", "zuo"};  
    private StringBuilder buffer;  
    private String resource;  
    private static CharacterParser characterParser = new CharacterParser();  

    public static CharacterParser getInstance() {  
        return characterParser;  
    }  

    public String getResource() {  
        return resource;  
    }  

    public void setResource(String resource) {  
        this.resource = resource;  
    }  

    /** * 漢字轉成ASCII碼 * * @param chs * @return */  
    private int getChsAscii(String chs) {  
        int asc = 0;  
        try {  
            byte[] bytes = chs.getBytes("gb2312");  
            if (bytes == null || bytes.length > 2 || bytes.length <= 0) {  
                throw new RuntimeException("illegal resource string");  
            }  
            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 (Exception e) {  
            System.out.println("ERROR:ChineseSpelling.class-getChsAscii(String chs)" + e);  
        }  
        return asc;  
    }  

    /** * 單字解析 * * @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];  
                    break;  
                }  
            }  
        }  
        return result;  
    }  

    /** * 詞組解析 * * @param chs * @return */  
    public String getSelling(String chs) {  
        String key, value;  
        buffer = new StringBuilder();  
        for (int i = 0; i < chs.length(); 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(value);  
        }  
        return buffer.toString();  
    }  

    public String getSpelling() {  
        return this.getSelling(this.getResource());  
    }  

}  

4.ClearEditText類是自定義的一個在右側有刪除圖片的EditText,當然你也可以用Android原生的EditText,該類我之前有介紹,我這裏就不貼上代碼了Android 帶清除功能的輸入框控件ClearEditText,仿IOS的輸入框

5.SortAdapter 數據的適配器類,該類需要實現SectionIndexer接口,該接口是用來控制ListView分組的,該接口有三個方法getSectionForPosition(int position),getPositionForSection(int section),getSections(),我們只需要自行實現前面兩個方法

getSectionForPosition(int position)是根據ListView的position來獲取該位置上面的name的首字母char的ascii值,例如: 如果該position上面的name是阿妹,首字母就是A,那麼此方法返回的就是'A'字母的ascii值,也就是65, 'B'是66,依次類推
getPositionForSection(int section)就是根據首字母的ascii值來獲取在該ListView中第一次出現該首字母的位置,例如:從上面的效果圖1中,如果section是66 ,也就是‘B’的ascii值,那麼該方法返回的position就是2

然後就是getView()方法,首先我們根據ListView的position調用getSectionForPosition(int position)來獲取該位置上面name的首字母的ascii值,然後根據這個ascii值調用getPositionForSection(int section)來獲取第一次出現該首字母的position,如果ListView的position 等於 根據這個ascii值調用getPositionForSection(int section)來獲取第一次出現該首字母的position,則顯示分類字母 否則隱藏

[java] view plain copy
在CODE上查看代碼片派生到我的代碼片

package com.example.sortlistview;  

import java.util.List;  

import android.content.Context;  
import android.view.LayoutInflater;  
import android.view.View;  
import android.view.ViewGroup;  
import android.widget.BaseAdapter;  
import android.widget.SectionIndexer;  
import android.widget.TextView;  

public class SortAdapter extends BaseAdapter implements SectionIndexer{  
    private List<SortModel> list = null;  
    private Context mContext;  

    public SortAdapter(Context mContext, List<SortModel> list) {  
        this.mContext = mContext;  
        this.list = list;  
    }  

    /** 
     * 當ListView數據發生變化時,調用此方法來更新ListView 
     * @param list 
     */  
    public void updateListView(List<SortModel> list){  
        this.list = list;  
        notifyDataSetChanged();  
    }  

    public int getCount() {  
        return this.list.size();  
    }  

    public Object getItem(int position) {  
        return list.get(position);  
    }  

    public long getItemId(int position) {  
        return position;  
    }  

    public View getView(final int position, View view, ViewGroup arg2) {  
        ViewHolder viewHolder = null;  
        final SortModel mContent = list.get(position);  
        if (view == null) {  
            viewHolder = new ViewHolder();  
            view = LayoutInflater.from(mContext).inflate(R.layout.item, null);  
            viewHolder.tvTitle = (TextView) view.findViewById(R.id.title);  
            viewHolder.tvLetter = (TextView) view.findViewById(R.id.catalog);  
            view.setTag(viewHolder);  
        } else {  
            viewHolder = (ViewHolder) view.getTag();  
        }  

        //根據position獲取分類的首字母的char ascii值  
        int section = getSectionForPosition(position);  

        //如果當前位置等於該分類首字母的Char的位置 ,則認爲是第一次出現  
        if(position == getPositionForSection(section)){  
            viewHolder.tvLetter.setVisibility(View.VISIBLE);  
            viewHolder.tvLetter.setText(mContent.getSortLetters());  
        }else{  
            viewHolder.tvLetter.setVisibility(View.GONE);  
        }  

        viewHolder.tvTitle.setText(this.list.get(position).getName());  

        return view;  

    }  



    final static class ViewHolder {  
        TextView tvLetter;  
        TextView tvTitle;  
    }  


    /** 
     * 根據ListView的當前位置獲取分類的首字母的char ascii值 
     */  
    public int getSectionForPosition(int position) {  
        return list.get(position).getSortLetters().charAt(0);  
    }  

    /** 
     * 根據分類的首字母的Char ascii值獲取其第一次出現該首字母的位置 
     */  
    public int getPositionForSection(int section) {  
        for (int i = 0; i < getCount(); i++) {  
            String sortStr = list.get(i).getSortLetters();  
            char firstChar = sortStr.toUpperCase().charAt(0);  
            if (firstChar == section) {  
                return i;  
            }  
        }  

        return -1;  
    }  


    @Override  
    public Object[] getSections() {  
        return null;  
    }  
}  

6.MainActivity 這裏面的代碼比較簡單,我們對ClearEditText設置addTextChangedListener監聽,當輸入框內容發生變化根據裏面的值過濾ListView,裏面的值爲空顯示原來的列表,裏面對列表數據進行排序用到PinyinComparator接口,該接口主要是用來比較對象的

[java] view plain copy
在CODE上查看代碼片派生到我的代碼片

package com.example.sortlistview;  

import java.util.ArrayList;  
import java.util.Collections;  
import java.util.List;  

import android.app.Activity;  
import android.os.Bundle;  
import android.text.Editable;  
import android.text.TextUtils;  
import android.text.TextWatcher;  
import android.view.View;  
import android.widget.AdapterView;  
import android.widget.AdapterView.OnItemClickListener;  
import android.widget.ListView;  
import android.widget.TextView;  
import android.widget.Toast;  

import com.example.sortlistview.SideBar.OnTouchingLetterChangedListener;  

public class MainActivity extends Activity {  
    private ListView sortListView;  
    private SideBar sideBar;  
    /** 
     * 顯示字母的TextView 
     */  
    private TextView dialog;  
    private SortAdapter adapter;  
    private ClearEditText mClearEditText;  

    /** 
     * 漢字轉換成拼音的類 
     */  
    private CharacterParser characterParser;  
    private List<SortModel> SourceDateList;  

    /** 
     * 根據拼音來排列ListView裏面的數據類 
     */  
    private PinyinComparator pinyinComparator;  

    @Override  
    protected void onCreate(Bundle savedInstanceState) {  
        super.onCreate(savedInstanceState);  
        setContentView(R.layout.activity_main);  
        initViews();  
    }  

    private void initViews() {  
        //實例化漢字轉拼音類  
        characterParser = CharacterParser.getInstance();  

        pinyinComparator = new PinyinComparator();  

        sideBar = (SideBar) findViewById(R.id.sidrbar);  
        dialog = (TextView) findViewById(R.id.dialog);  
        sideBar.setTextView(dialog);  

        //設置右側觸摸監聽  
        sideBar.setOnTouchingLetterChangedListener(new OnTouchingLetterChangedListener() {  

            @Override  
            public void onTouchingLetterChanged(String s) {  
                //該字母首次出現的位置  
                int position = adapter.getPositionForSection(s.charAt(0));  
                if(position != -1){  
                    sortListView.setSelection(position);  
                }  

            }  
        });  

        sortListView = (ListView) findViewById(R.id.country_lvcountry);  
        sortListView.setOnItemClickListener(new OnItemClickListener() {  

            @Override  
            public void onItemClick(AdapterView<?> parent, View view,  
                    int position, long id) {  
                //這裏要利用adapter.getItem(position)來獲取當前position所對應的對象  
                Toast.makeText(getApplication(), ((SortModel)adapter.getItem(position)).getName(), Toast.LENGTH_SHORT).show();  
            }  
        });  

        SourceDateList = filledData(getResources().getStringArray(R.array.date));  

        // 根據a-z進行排序源數據  
        Collections.sort(SourceDateList, pinyinComparator);  
        adapter = new SortAdapter(this, SourceDateList);  
        sortListView.setAdapter(adapter);  


        mClearEditText = (ClearEditText) findViewById(R.id.filter_edit);  

        //根據輸入框輸入值的改變來過濾搜索  
        mClearEditText.addTextChangedListener(new TextWatcher() {  

            @Override  
            public void onTextChanged(CharSequence s, int start, int before, int count) {  
                //當輸入框裏面的值爲空,更新爲原來的列表,否則爲過濾數據列表  
                filterData(s.toString());  
            }  

            @Override  
            public void beforeTextChanged(CharSequence s, int start, int count,  
                    int after) {  

            }  

            @Override  
            public void afterTextChanged(Editable s) {  
            }  
        });  
    }  


    /** 
     * 爲ListView填充數據 
     * @param date 
     * @return 
     */  
    private List<SortModel> filledData(String [] date){  
        List<SortModel> mSortList = new ArrayList<SortModel>();  

        for(int i=0; i<date.length; i++){  
            SortModel sortModel = new SortModel();  
            sortModel.setName(date[i]);  
            //漢字轉換成拼音  
            String pinyin = characterParser.getSelling(date[i]);  
            String sortString = pinyin.substring(0, 1).toUpperCase();  

            // 正則表達式,判斷首字母是否是英文字母  
            if(sortString.matches("[A-Z]")){  
                sortModel.setSortLetters(sortString.toUpperCase());  
            }else{  
                sortModel.setSortLetters("#");  
            }  

            mSortList.add(sortModel);  
        }  
        return mSortList;  

    }  

    /** 
     * 根據輸入框中的值來過濾數據並更新ListView 
     * @param filterStr 
     */  
    private void filterData(String filterStr) {  
        List<SortModel> filterDateList = new ArrayList<SortModel>();  

        if (TextUtils.isEmpty(filterStr)) {  
            filterDateList = SourceDateList;  
        } else {  
            filterDateList.clear();  
            for (SortModel sortModel : SourceDateList) {  
                String name = sortModel.getName();  
                if (name.toUpperCase().indexOf(  
                        filterStr.toString().toUpperCase()) != -1  
                        || characterParser.getSelling(name).toUpperCase()  
                                .startsWith(filterStr.toString().toUpperCase())) {  
                    filterDateList.add(sortModel);  
                }  
            }  
        }  

        // 根據a-z進行排序  
        Collections.sort(filterDateList, pinyinComparator);  
        adapter.updateListView(filterDateList);  
    }  

}  

7.PinyinComparator接口用來對ListView中的數據根據A-Z進行排序,前面兩個if判斷主要是將不是以漢字開頭的數據放在後面

[java] view plain copy
在CODE上查看代碼片派生到我的代碼片

package com.example.sortlistview;  

import java.util.Comparator;  

/** 
 *  
 * @author xiaanming 
 * 
 */  
public class PinyinComparator implements Comparator<SortModel> {  

    public int compare(SortModel o1, SortModel o2) {  
        //這裏主要是用來對ListView裏面的數據根據ABCDEFG...來排序  
        if (o2.getSortLetters().equals("#")) {  
            return -1;  
        } else if (o1.getSortLetters().equals("#")) {  
            return 1;  
        } else {  
            return o1.getSortLetters().compareTo(o2.getSortLetters());  
        }  
    }  
}  

這樣我們以後使用A-Z排序就沒要侷限性了,想加這個效果隨時都行,其他的佈局和圖片之類的文件就不貼出來了,如果大家有興趣的自行去下載代碼吧,如果大家有什麼疑問,請在下面留言,我會爲大家解答的!

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