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文库吧 > IT > 软件开发 > 后端开发 > Java

android通讯录demo

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android通讯录demo

android通讯录demo
  • 视频演示
    • 主要代码实现类
    • 界面样式
    • 项目下载链接

视频演示

android通讯录

主要代码实现类

MainActivity

package com.example.maillist;


import android.os.Bundle;
import android.util.Log;

import androidx.appcompat.app.AppCompatActivity;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;

import com.example.maillist.adapter.CommonAdapter;
import com.example.maillist.adapter.CommonViewHolder;
import com.example.maillist.bean.TitleBean;
import com.example.maillist.bean.UserBean;
import com.example.maillist.utils.CharacterParser;
import com.example.maillist.utils.PinyinComparator;
import com.example.maillist.utils.StringUtil;
import com.example.maillist.widget.SideBar;

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

public class MainActivity extends AppCompatActivity {


    private RecyclerView rv;
    private SideBar sidrbar;

    CommonAdapter adapter;
    List mList = new ArrayList<>();
    CharacterParser characterParser;
    PinyinComparator pinyinComparator;
    private Map scroolToMap = new HashMap<>();

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


    private void initView() {
        characterParser = new CharacterParser();
        pinyinComparator = new PinyinComparator();
        rv = (RecyclerView) findViewById(R.id.rv);
        sidrbar = (SideBar) findViewById(R.id.sidrbar);

        initAdapter();
        initListener();
    }

    private void initListener() {
        //设置右侧触摸监听
        sidrbar.setOnTouchingLetterChangedListener(new SideBar.OnTouchingLetterChangedListener() {

            @Override
            public void onTouchingLetterChanged(String s) {
                Log.e("onTouchingLetter", "onTouchingLetter" + s);
                //该字母首次出现的位置
                int position = -1;
                try {
                    position = scroolToMap.get(s);
                    if (position != -1) {
                        linearLayoutManager.scrollToPositionWithOffset(position, 0);
                    }
                } catch (Exception e) {
                    e.printStackTrace();
                    //	ToolUtil.ToastMessage("连接失败",ToolUtil.WRONG);
                    //    ToastUtil.ToastMessage(CityChooseActivity.this, "连接失败");
                }
            }
        });
    }

    LinearLayoutManager linearLayoutManager;

    private void initAdapter() {
        linearLayoutManager = new LinearLayoutManager(this);
        rv.setLayoutManager(linearLayoutManager);

        adapter = new CommonAdapter(mList, new CommonAdapter.OnMoreBindDataListener() {
            @Override
            public int getItemType(int position) {
                if(mList.get(position) instanceof UserBean){
                    return 0;
                }else{
                    return 1;
                }
            }

            @Override
            public void onBindViewHolder(Object model, CommonViewHolder viewHolder, int type, int position) {
                if(model instanceof UserBean){
                    UserBean bean = (UserBean)model;
                    viewHolder.setText(R.id.name_tv,bean.getName());
                }else{
                    TitleBean bean = (TitleBean)model;
                    viewHolder.setText(R.id.title_tv,bean.getName());
                }
            }

            @Override
            public int getLayoutId(int type) {
                if(type == 0){
                    return R.layout.item_name;
                }else{
                    return R.layout.item_title;
                }
            }
        });
        rv.setAdapter(adapter);
        loadData();
    }

    private void loadData(){
        List list = new ArrayList<>();
        list.add(new UserBean("李鑫灏"));
        list.add(new UserBean("薛佛世"));
        list.add(new UserBean("蔡壮保"));
        list.add(new UserBean("钱勤堃"));
        list.add(new UserBean("潘恩依"));
        list.add(new UserBean("陈国柏"));
        list.add(new UserBean("陈国柏"));
        list.add(new UserBean("魏皑虎"));
        list.add(new UserBean("周卓浩"));
        list.add(new UserBean("汤辟邦"));
        list.add(new UserBean("张顺谷"));
        list.add(new UserBean("张悌斯"));
        list.add(new UserBean("张灶冲"));
        list.add(new UserBean("易江维"));
        list.add(new UserBean("萧百徽"));
        list.add(new UserBean("田稻善"));
        list.add(new UserBean("戚渊苏"));
        list.add(new UserBean("郭磊留"));
        list.add(new UserBean("啊平"));
        filledData(list);
    }

    
    private void filledData(List mSortList) {

        mList.clear();
        scroolToMap.clear();

        for (int i = 0; i < mSortList.size(); i++) {
            UserBean sortModel = mSortList.get(i);

            if (!StringUtil.isNotEmpty(mSortList.get(i).getName())) {
                mSortList.get(i).setName("未知");
            }

            String pinyin = characterParser.getSelling(mSortList.get(i).getName());
            String sortString = pinyin.substring(0, 1).toUpperCase();

            if (sortString.matches("[A-Z]")) {
                sortModel.setSortLetters(sortString.toUpperCase());
            } else {
                sortModel.setSortLetters("#");
            }

            mSortList.set(i, sortModel);
        }

        Collections.sort(mSortList, pinyinComparator);

        for (int i = 0; i < mSortList.size(); i++) {
            UserBean bean = mSortList.get(i);
            if (!scroolToMap.containsKey(bean.getSortLetters())) {
                scroolToMap.put(bean.getSortLetters(), mList.size());
                mList.add(new TitleBean(bean.getSortLetters()));
            }
            mList.add(bean);
        }
        adapter.notifyDataSetChanged();
    }

}
 

CommonAdapter
 

package com.example.maillist.adapter;

import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;


import androidx.recyclerview.widget.RecyclerView;

import java.util.List;


public class CommonAdapter extends RecyclerView.Adapter {

    private final List mList;

    private OnBindDataListener onBindDataListener;
    private OnMoreBindDataListener onMoreBindDataListener;

    // 单类型
    public CommonAdapter(List mList, OnBindDataListener onBindDataListener) {
        this.mList = mList;
        this.onBindDataListener = onBindDataListener;
    }

    // 多类型
    public CommonAdapter(List mList, OnMoreBindDataListener onMoreBindDataListener) {
        this.mList = mList;
        this.onBindDataListener = onMoreBindDataListener;
        this.onMoreBindDataListener = onMoreBindDataListener;
    }

    //绑定数据
    public interface OnBindDataListener {
        void onBindViewHolder(T model, CommonViewHolder viewHolder, int type, int position);

        int getLayoutId(int type);
    }

    //绑定多类型的数据
    public interface OnMoreBindDataListener extends OnBindDataListener {
        int getItemType(int position);
    }

    @Override
    public int getItemViewType(int position) {
        if (onMoreBindDataListener != null) {
            return onMoreBindDataListener.getItemType(position);
        }
        return 0;
    }

    @Override
    public CommonViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        int layoutId = onBindDataListener.getLayoutId(viewType);
        View view = LayoutInflater.from(parent.getContext()).inflate(layoutId, parent, false);
        return CommonViewHolder.getCommonViewHolder(parent.getContext(), view);
    }

    @Override
    public void onBindViewHolder(CommonViewHolder holder, int position) {
        onBindDataListener.onBindViewHolder(mList.get(position), holder, getItemViewType(position), position);
    }

    @Override
    public int getItemCount() {
        return mList == null ? 0 : mList.size();
    }

    // 插入一项数据
    public void insert(T item, int position) {
        mList.add(position, item);
        notifyItemInserted(position);
    }

    // 删除一项数据
    public void remove(int position) {
        mList.remove(position);
        notifyItemRemoved(position);
    }
}


 

CommonViewHolder
 

package com.example.maillist.adapter;

import android.content.Context;
import android.util.SparseArray;
import android.view.View;
import android.widget.ImageView;
import android.widget.TextView;

import androidx.recyclerview.widget.RecyclerView;



public class CommonViewHolder extends RecyclerView.ViewHolder {

    // 子View的集合
    private SparseArray mViews;
    private Context context;

    public CommonViewHolder(Context context, View itemView) {
        super(itemView);
        this.context = context;
        mViews = new SparseArray<>();
    }

    public static CommonViewHolder getCommonViewHolder(Context context, View itemView) {
        return new CommonViewHolder(context, itemView);
    }

    
    public  T getView(int viewId) {
        View view = mViews.get(viewId);
        if (view == null) {
            view = itemView.findViewById(viewId);
            mViews.put(viewId, view);
        }
        return (T) view;
    }

    
    public CommonViewHolder setText(int viewId, String text) {
        TextView tv = getView(viewId);
        tv.setText(text);
        return this;
    }

    
    public CommonViewHolder setImageResource(int viewId, int resId) {
        ImageView iv = getView(viewId);
        iv.setImageResource(resId);
        return this;
    }
}


 

TitleBean
 

package com.example.maillist.bean;

import java.io.Serializable;


public class TitleBean implements Serializable {
    private String name;

    public TitleBean() {
    }

    public TitleBean(String name) {
        this.name = name;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }
}


 

UserBean
 

package com.example.maillist.bean;

import java.io.Serializable;


public class UserBean implements Serializable {
    private String name;
    private String sortLetters;

    public UserBean() {

    }

    public UserBean(String name) {
        this.name = name;
    }

    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;
    }
}


 

CharacterParser
 

package com.example.maillist.utils;


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;
	}

	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;
	}

	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;
	}

	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());
	}

}


 

PinyinComparator
 

package com.example.maillist.utils;


import com.example.maillist.bean.UserBean;

import java.util.Comparator;

public class PinyinComparator implements Comparator {

	public int compare(UserBean o1, UserBean o2) {
		if (o1.getSortLetters().equals("@") || o2.getSortLetters().equals("#")) {
			return -1;
		} else if (o1.getSortLetters().equals("#")
				|| o2.getSortLetters().equals("@")) {
			return 1;
		} else {
			return o1.getSortLetters().compareTo(o2.getSortLetters());
		}
	}

}


 

StringUtil
 

package com.example.maillist.utils;



public class StringUtil {

    public static boolean isNotEmpty(String str) {
        return str != null && str.trim().length() > 0;
    }
    
    public static boolean isEmpty(String str) {
        return (str == null || str.trim().length() == 0);
    }

}


 

SideBar
 

package com.example.maillist.widget;

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


import com.example.maillist.R;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;



public class SideBar extends View {
	// 触摸事件
	private OnTouchingLetterChangedListener onTouchingLetterChangedListener;
	// 26个字母
	
	@SuppressWarnings("unchecked")
	public static ArrayList letters = new ArrayList();
	public static List allLetters = Arrays.asList("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;// 选中
	private Paint paint = new Paint();

	private TextView mTextDialog;

	public void setLetters(List list) {
		letters.clear();
		letters.addAll(list);
		this.invalidate();
	}

	public void setTextView(TextView mTextDialog) {
		this.mTextDialog = mTextDialog;
	}


	public SideBar(Context context, AttributeSet attrs, int defStyle) {
		super(context, attrs, defStyle);
		letters.addAll(allLetters);
	}

	public SideBar(Context context, AttributeSet attrs) {
		super(context, attrs);
		letters.addAll(allLetters);
	}

	public SideBar(Context context) {
		super(context);
		letters.addAll(allLetters);
	}

	
	@Override
	protected void onDraw(Canvas canvas) {
		super.onDraw(canvas);
		// 获取焦点改变背景颜色.
		int height = getHeight();// 获取对应高度
		int width = getWidth(); // 获取对应宽度
		int singleHeight = height / letters.size();// 获取每一个字母的高度

		for (int i = 0; i < letters.size(); i++) {
			paint.setColor(Color.rgb(174, 174, 174));
			// paint.setColor(Color.WHITE);
//			paint.setTypeface(Typeface.DEFAULT_BOLD);
			paint.setAntiAlias(true);
			paint.setTextSize(getResources().getDimension(R.dimen.text_mll));
			// 选中的状态
			if (i == choose) {
				paint.setColor(Color.parseColor("#AEAEAE"));
				paint.setFakeBoldText(false);
			}
			// x坐标等于中间-字符串宽度的一半.
			float xPos = width / 2 - paint.measureText(letters.get(i)) / 2;
			float yPos = singleHeight * i + singleHeight;
			canvas.drawText(letters.get(i), xPos, yPos, paint);
			paint.reset();// 重置画笔
		}

	}

	@Override
	public boolean dispatchTouchEvent(MotionEvent event) {
		final int action = event.getAction();
		final float y = event.getY();// 点击y坐标
		final int oldChoose = choose;
		final OnTouchingLetterChangedListener listener = onTouchingLetterChangedListener;
		final int c = (int) (y / getHeight() * letters.size());// 点击y坐标所占总高度的比例*b数组的长度就等于点击b中的个数.

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

			default:
				setBackgroundResource(R.color.white);
				if (oldChoose != c) {
					if (c >= 0 && c < letters.size()) {
						if (listener != null) {
							listener.onTouchingLetterChanged(letters.get(c));
						}
						if (mTextDialog != null) {
							mTextDialog.setText(letters.get(c));
							mTextDialog.setVisibility(View.VISIBLE);
						}

						choose = c;
						invalidate();
					}
				}

				break;
		}
		return true;
	}

	
	public void setOnTouchingLetterChangedListener(
			OnTouchingLetterChangedListener onTouchingLetterChangedListener) {
		this.onTouchingLetterChangedListener = onTouchingLetterChangedListener;
	}

	
	public interface OnTouchingLetterChangedListener {
		public void onTouchingLetterChanged(String s);
	}

}

 
界面样式 

activity_main.xml
 




    

        

        

    



 

item_name.xml
 




    



 

item_title.xml
 




    



 
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