Android开发之仿联系人界面(根据文字首字母A、B、C实现快速索引)

本文主要是介绍Android开发之仿联系人界面(根据文字首字母A、B、C实现快速索引)，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！

Android开发之仿联系人界面(根据文字首字母A、B、C实现快速索引)

Android手机系统应用中自带的联系人界面中的根据ABCDE等文字的首字母实现快速索引的效果让人眼前一亮，经过本人的研究，已基本实现了其功能，现将代码贴出，望大神们批评指正，非常感谢！

先上效果图：

核心代码如下：

MainActivity

package com.hxht.testquickindex;

import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;
import android.text.TextUtils;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.TextView;

import com.hxht.testquickindex.adapter.HeroesAdapter;
import com.hxht.testquickindex.domain.Heroes;
import com.hxht.testquickindex.mycustomview.QuickIndexBar;

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


public class MainActivity extends Activity {private ListView lv;
    private QuickIndexBar quickindexbar;
    private TextView tvShowletter;
    private List<Heroes> list;
    private static final String[] names = new String[]{"宋江",
            "卢俊义",
            "吴用",
            "公孙胜",
            "关胜",
            "林冲",
            "秦明",
            "呼延灼",
            "花荣",
            "柴进",
            "李应",
            "朱仝",
            "鲁智深",
            "武松",
            "董平",
            "张清",
            "杨志",
            "徐宁",
            "索超",
            "戴宗",
            "刘唐",
            "李逵",
            "史进",
            "穆弘",
            "雷横",
            "李俊",
            "阮小二",
            "张横",
            "阮小五",
            "张顺",
            "阮小七",
            "杨雄",
            "石秀",
            "解珍",
            "解宝 ",
            "燕青",
            "朱武",
            "黄信",
            "孙立",
            "宣赞",
            "郝思文",
            "韩滔",
            "彭玘",
            "单廷圭",
            "魏定国",
            "萧让",
            "裴宣",
            "欧鹏",
            "邓飞",
            "燕顺",
            "杨林",
            "